CN115835233A - A communication method and related device - Google Patents

Abstract

The present application provides a communication method and related devices. The method is applied to access network equipment. The access network equipment includes a baseband processing unit, a first transmission receiving point, and a second transmission receiving point. The first transmission receiving point and the second transmission receiving point The transmission receiving point is a transmission receiving point in the same cell, and the method includes: the baseband processing unit establishes a first communication channel with the first transmission receiving point; the baseband processing unit establishes a second communication channel with the second transmission receiving point; the baseband processing unit passes The first communication channel sends the first beam control information to the first transmission and reception point, and sends the second beam control information to the second transmission and reception point through the second communication channel; the first beam control information is used to indicate that the first transmission and reception point is The first time unit sends the first beam, and the second beam control information is used to instruct the second transmission and reception point to send the second beam in the first time unit. Implementing the embodiment of the present application improves the utilization rate of beam resources.

Description

A communication method and related device

technical field

The present application relates to the technical field of communication, and in particular, to a communication method and a related device.

Background technique

With the rapid development of communication technology, indoor signal coverage technology has gradually matured. At present, in the indoor signal coverage technology, one of the mainstream indoor millimeter wave networks generally adopts the same common public radio interface (common public radio interface, CPRI) combination as the low frequency, that is, multiple miniature radio frequency remote modules (picoremote radiounit, pRRUs) are networked together in a cell, and the multiple pRRUs form a transmission reception point (transmission reception point, TRP). Specifically, refer to FIG. 1 , which is a schematic diagram of an indoor millimeter-wave networking. As shown in FIG. 1 , the indoor millimeter wave networking may include a baseband processing unit (base band unit, BBU), a remote radio unit hub (remoteradiounit hub, RHUB), and a pRRU. One BBU can be connected to one or more RHUBs (only two are shown in FIG. 1 ), and one RHUB can be connected to multiple pRRUs. In addition, the current indoor signal coverage technology generally adopts a hybrid beamforming (hybrid beamforming, HBF) architecture, that is, digital beamforming (digital beamforming, DBF) and analog beamforming (analog beamforming, ABF) are used to transmit millimeter waves. In other words, because the DBF weighted envelope is subject to the ABF analog narrow beam, all pRRUs can only schedule the same beam in the same time slot. This results in low utilization of beam resources. Therefore, how to improve the utilization of beam resources has become an urgent technical problem to be solved at the current stage.

Contents of the invention

The present application provides a communication method and a related device, which can improve the utilization rate of beam resources.

In the first aspect, a communication method is provided, the method is applied to an access network device, and the access network device includes a baseband processing unit, a first transmission receiving point, and a second transmission receiving point, and the first transmission receiving point and the second transmission and reception point are transmission and reception points in the same cell, and the method includes:

The baseband processing unit establishes a first communication channel with the first transmission and reception point;

The baseband processing unit establishes a second communication channel with the second transmission and reception point;

The baseband processing unit sends first beam control information to the first transmission and reception point through the first communication channel, and sends second beam control information to the second transmission and reception point through the second communication channel; The first beam control information is used to instruct the first transmission and reception point to send the first beam at the first time unit, and the second beam control information is used to instruct the second transmission and reception point to transmit the first beam at the first time unit The unit transmits a second beam.

It can be seen that in the above technical solution, the baseband processing unit can establish communication channels with different transmission and reception points in the same cell, so that different beam control information can be sent to different transmission and reception points through the communication channel, so that different beam control information in the same cell The transmission and receiving points can transmit different beams at the same time unit, thereby improving the utilization of beam resources. That is, different transmission and receiving points in the same cell can independently control beams, increasing beam resources.

Optionally, the first transmission receiving point includes at least one miniature radio remote module, and the first communication channel includes the connection between the baseband processing unit and the at least one miniature radio remote module included in the first transmission receiving point. at least one communication link between.

It can be seen that in the above technical solution, the independent communication channel may include at least one communication link between the baseband processing unit and at least one miniature radio remote module contained in the first transmission receiving point, that is, the processing capability of the radio frequency module Low requirements.

Optionally, the first communication channel and the second communication channel are the same communication channel, at least one communication link included in the first communication channel is included in the first communication link group, and the first communication link The identifier of the link group is used to indicate that the beam control information transmitted by the first communication link group is the first beam control information.

It can be seen that in the above technical solution, since the two communication channels are the same communication channel, the computing power requirement on the baseband processing unit can be reduced.

Optionally, the first communication channel and the second communication channel are different communication channels, and the address information corresponding to the first communication channel is used to indicate the address information of at least one communication link included in the first communication channel. The transmitted beam control information is the first beam control information.

It can be seen that, in the above technical solution, since the two communication channels are different communication channels, the requirement for the processing capability of the radio frequency module is low.

Optionally, the method also includes:

The baseband processing unit acquires the quality of the first reference signal and the quality of the second reference signal; the first reference signal is sent by a miniature radio remote module in the first transmission and reception point, and the first reference signal The quality of the first reference signal is measured by the terminal device, the second reference signal is sent by a miniature radio remote module in the second transmission and reception point, and the quality of the second reference signal is determined by The terminal device measures the second reference signal; or, the first reference signal is received from the terminal device by a miniature remote radio module in the first transmission and reception point, and the first reference signal The quality of the signal is obtained by measuring the first reference signal by the baseband processing unit, and the second reference signal is received from the terminal device by a miniature radio remote module in the second transmission and reception point, the The quality of the second reference signal is obtained by measuring the second reference signal by the baseband processing unit;

The baseband processing unit determines, according to the quality of the first reference signal and the quality of the second reference signal, the A miniature radio remote module of each transmits the same data to the terminal equipment.

It can be seen that, in the above technical solution, by determining the radio remote module in the first transmission receiving point and a micro remote radio module in the second transmission receiving point according to the quality of the first reference signal and the quality of the second reference signal, The remote radio module transmits the same data to the terminal equipment respectively, so that different transmission and receiving points in the same cell can transmit the same data to the terminal equipment. Because different transmission points in the same cell can transmit the same data to terminal devices in the coverage areas of different transmission and reception points, the diversity effect is improved and the gain effect is also improved. In other words, because the beams of different transmission points of the same cell point to the same area to form an overlapping area, the terminal equipment located in the overlapping area can obtain the gain of distributed joint transmission and reception, thereby making the diversity effect better.

Optionally, the baseband processing unit determines, according to the quality of the first reference signal and the quality of the second reference signal, to pass through a micro remote radio module in the first transmission and reception point and the second A miniature remote radio frequency module in the transmission and reception point respectively transmits the same data to the terminal equipment, including:

the baseband processing unit determines a difference between the quality of the first reference signal and the quality of the second reference signal;

If the difference between the quality of the first reference signal and the quality of the second reference signal is less than or equal to the threshold, the baseband processing unit determines to The module and a micro radio remote module in the second transmission receiving point respectively send transmission data to the terminal equipment.

It can be seen that, in the above technical solution, it is realized that based on the difference between the quality of the first reference signal and the quality of the second reference signal, it is determined that the beams of different transmission points of the terminal device located in the same cell point to the same area to form an intersection. The overlapping area enables the terminal equipment located in the overlapping area to obtain the gain of distributed joint transmission and reception, thereby making the diversity effect better.

Optionally, the method also includes:

The baseband processing unit acquires the quality of at least one third reference signal; the at least one third reference signal is sent by at least one micro remote radio module in the first transmission receiving point, and the at least one third reference signal The quality of the at least one third reference signal is obtained by measurement by the terminal device; or, the at least one third reference signal is sent by the terminal device, and the quality of the at least one third reference signal is obtained by measurement by the baseband processing unit;

The baseband processing unit determines the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal;

The baseband processing unit uses the beam corresponding to the reference signal with the highest quality to transmit data to the terminal device.

It can be seen that in the above technical solution, at least one micro remote radio module for the same transmission and receiving point is realized, and the beam corresponding to the reference signal with the highest quality is determined, and then the beam corresponding to the reference signal with the highest quality can be used to send data to the terminal device. transfer data.

Optionally, the baseband processing unit determines the beam corresponding to the highest quality reference signal according to the quality of the at least one third reference signal, including:

The baseband processing unit receives the quality of at least one fourth reference signal from the terminal device through at least one micro remote radio module in the second transmission receiving point, and the at least one fourth reference signal is received by the second transmission At least one micro radio remote module in the point sends;

The baseband processing unit determines the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal and the quality of the at least one fourth reference signal.

It can be seen that in the above technical solution, the beam corresponding to the reference signal with the highest quality is determined for at least one micro radio remote module in different transmission and reception points.

In a second aspect, a communication device is provided, and the device includes a processing module and a transceiver module;

The processing module is configured to establish a first communication channel with the first transmission receiving point;

The processing module is further configured to establish a first communication channel with a second transmission reception point; the first transmission reception point and the second transmission reception point are transmission reception points in the same cell;

The processing module is configured to control the transceiver module to send the first beam control information to the first transmission and reception point through the first communication channel, and to send the first beam control information to the second transmission and reception point through the second communication channel. Two beam control information: the first beam control information is used to instruct the first transmission and reception point to send the first beam in the first time unit, and the second beam control information is used to instruct the second transmission and reception point to send the first beam in the first time unit The first time unit sends the second beam.

Optionally, the first transmission receiving point includes at least one miniature radio remote module, and the first communication channel includes the connection between the baseband processing unit and the at least one miniature radio remote module included in the first transmission receiving point. at least one communication link between.

Optionally, the first communication channel and the second communication channel are the same communication channel, at least one communication link included in the first communication channel is included in the first communication link group, and the first communication link The identifier of the link group is used to indicate that the beam control information transmitted by the first communication link group is the first beam control information.

Optionally, the first communication channel and the second communication channel are different communication channels, and the address information corresponding to the first communication channel is used to indicate the address information of at least one communication link included in the first communication channel. The transmitted beam control information is the first beam control information.

Optionally, the processing module is further configured to obtain the quality of the first reference signal and the quality of the second reference signal; the first reference signal is sent by a miniature radio remote module in the first transmission and reception point , the quality of the first reference signal is obtained by measuring the first reference signal by the terminal device, the second reference signal is sent by a micro remote radio module in the second transmission and reception point, the The quality of the second reference signal is obtained by measuring the second reference signal by the terminal device; or, the first reference signal is transmitted from the terminal device by a miniature radio remote module in the first transmission and reception point receiving, the quality of the first reference signal is obtained by measuring the first reference signal by the baseband processing unit, and the second reference signal is obtained from the The terminal device receives, the quality of the second reference signal is obtained by measuring the second reference signal by the baseband processing unit; the processing module is further configured to use the quality of the first reference signal and the second reference signal Two reference signal quality, control the transceiver module to transmit the same data to the terminal equipment through a micro remote radio module in the first transmission receiving point and a micro remote radio module in the second transmission receiving point .

Optionally, according to the quality of the first reference signal and the quality of the second reference signal, the control transceiver module uses a micro remote radio module in the first transmission receiving point to receive the second transmission When a micro remote radio module in the point transmits the same data to the terminal equipment respectively, the processing module is configured to determine the difference between the quality of the first reference signal and the quality of the second reference signal ; if the difference between the quality of the first reference signal and the quality of the second reference signal is less than or equal to a threshold, the processing module is configured to control the transceiver module to pass through the first transmission receiving point A micro remote radio module in the second transmission receiving point and a micro remote radio module in the second transmission receiving point respectively send transmission data to the terminal device.

Optionally, the processing module is further configured to obtain the quality of at least one third reference signal; the at least one third reference signal is sent by at least one micro remote radio module in the first transmission and reception point, so The quality of the at least one third reference signal is obtained by measurement by the terminal device; or, the at least one third reference signal is sent by the terminal device, and the quality of the at least one third reference signal is obtained by measurement by the baseband processing unit The processing module is further configured to determine the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal; the processing module is also configured to control the transceiver module to use the reference signal with the highest quality The corresponding beam transmits data to the terminal device.

Optionally, when determining the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal,

The processing module is configured to control the quality of at least one fourth reference signal received by the transceiver module from the terminal device through at least one micro remote radio module in the second transmission receiving point, and the at least one fourth reference signal Sent by at least one micro remote radio module in the second transmission and reception point;

The processing module is configured to determine the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal and the quality of the at least one fourth reference signal.

In a third aspect, a communication device is provided, including a processor, a memory, an input interface, and an output interface, the input interface is used to receive information from other communication devices other than the communication device, and the output interface is used to send information to Other communication devices other than the communication device output information, and the processor invokes the computer program stored in the memory to implement the method according to any one of the first aspect.

In a fourth aspect, a computer-readable storage medium is provided, wherein a computer program is stored in the computer-readable storage medium, and when the computer program is run, the computer program according to any one of the first aspect is implemented. method.

According to a fifth aspect, there is provided a computer program product containing instructions, which, when executed on a computer, enable the method described in any one of the first aspect to be executed.

Description of drawings

The following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art.

in:

FIG. 1 is a schematic diagram of an indoor millimeter wave network;

FIG. 2 is a schematic diagram of a millimeter wave adopting a hybrid beamforming (hybrid beamforming, HBF) architecture;

FIG. 3 is a schematic diagram of beam scheduling;

FIG. 4 is a schematic diagram of resource scheduling;

FIG. 5 is a schematic diagram of a pRRU sending beam;

Fig. 6 is a schematic diagram of a competition user being unable to schedule;

FIG. 7 is a schematic diagram of millimeter wave beam coverage;

Fig. 8 is the infrastructure of the communication system provided by the embodiment of the present application;

FIG. 9 is a schematic diagram of a hardware structure applicable to a communication device provided by an embodiment of the present application;

FIG. 10 is a schematic flowchart of a communication method provided by an embodiment of the present application;

FIG. 11 is a communication channel between a baseband processing unit and a TRP provided in an embodiment of the present application;

FIG. 12 is a schematic diagram of independent beam scheduling between TRPs provided by an embodiment of the present application;

FIG. 13 is a schematic diagram of a gain effect provided by an embodiment of the present application;

Figure 14 is a pRRU test diagram provided by the embodiment of the present application;

FIG. 15 is a schematic diagram of beam steering performed at different points of the same site of a macro station provided by an embodiment of the present application;

FIG. 16 is a schematic structural diagram of a communication device provided by an embodiment of the present application;

FIG. 17 is a schematic structural diagram of a simplified terminal device provided by an embodiment of the present application;

FIG. 18 is a schematic structural diagram of a simplified access network device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Wherein, the terms "system" and "network" in the embodiments of the present application may be used interchangeably. Unless otherwise specified, "/" means that the related objects are an "or" relationship, for example, A/B can mean A or B; "and/or" in this application is only a way to describe related objects Associative relationship means that there may be three kinds of relationships, for example, A and/or B, which may mean: A exists alone, A and B exist simultaneously, and B exists independently, where A and B can be singular or plural. And, in the description of the present application, unless otherwise specified, "plurality" means two or more than two. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one item (piece) of a, b, or c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be one or more . In addition, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function and effect. Those skilled in the art can understand that words such as "first" and "second" do not limit the number and execution order, and words such as "first" and "second" do not necessarily limit the difference.

References to "one embodiment" or "some embodiments" and the like described in the embodiments of the present application mean that specific features, structures or characteristics described in connection with the embodiments are included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in other embodiments," etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean "one or more but not all embodiments" unless specifically stated otherwise. The terms "including", "comprising", "having" and variations thereof mean "including but not limited to", unless specifically stated otherwise.

The following specific implementations further describe the purpose, technical solutions and beneficial effects of the application in detail. It should be understood that the following are only specific implementations of the application and are not intended to limit the scope of protection of the application. On the basis of the technical solution of this application, any modification, equivalent replacement, improvement, etc. should be included in the protection scope of this application.

Referring to FIG. 2 , FIG. 2 is a schematic diagram of a millimeter wave adopting a hybrid beamforming (hybrid beamforming, HBF) architecture. As shown in Figure 2, the two signals from the baseband pass through the intermediate frequency (intermediate frequency, IF) and the digital to analog converter (digital to analog converter, DAC) respectively in the digital channel area. When a signal enters an analog channel area from a digital channel area, it may pass through a power amplifier (power amplifier, PA) and then be sent out through an antenna port.

The time-division scheduling of analog beams in a single cell in frequency range 2 (frequency range 2, FR2) and higher frequency bands becomes a key constraint on spectrum utilization. The current high-frequency beam scheduling is beam time-division scheduling. The number of concurrent beams in the same time slot is small, and spectrum resources are idle. Taking the existing direction of the macro station as an example, refer to FIG. 3 , which is a schematic diagram of beam scheduling. As shown in Figure 3, currently in a single cell, only 1-2 beams can be sent in one time slot. When terminal device 2 schedules, the beams point to terminal device 2. At this time, terminal device 1 has weak or no coverage and cannot be scheduled. In addition, if the scheduled terminal equipment has insufficient incoming water, that is, insufficient service data corresponding to the scheduled terminal equipment, the resource block (resource block, RB) of the time slot may be idle. At the same time, terminal devices under other beams cannot schedule resources. For example, refer to FIG. 4 , which is a schematic diagram of resource scheduling. As shown in Figure 4, in the same cell, terminal equipment 2 and terminal equipment 3 receive insufficient water, that is, the service data corresponding to terminal equipment 2 and terminal equipment 3 is too little, resulting in terminal equipment 2 and terminal equipment 3 in their corresponding time slots The upper resource block is idle, that is, the spectrum resource cannot be used. Since, in the same cell, only 1-2 beams can be sent in the same slot, therefore, when the sending beam covers the terminal device 2, the terminal device 1 is in weak coverage or no coverage. In general, the utilization rate of beam resources is not high.

For indoor millimeter waves, the current networking is to use CPRI combined networking, that is, multiple pRRUs are combined into one TRP to share a cell. Although each pRRU can send out its own beam, in fact, for each slot, all pRRUs can only select the beam scheduling with the same beam ID (Beam ID). When terminal device 1 schedules, all pRRUs can only use terminal device 1. Beam 1 used. For example, refer to FIG. 5 , which is a schematic diagram of a pRRU transmission beam. As shown in Figure 5, each pRRU can transmit 16 beams, and 4 pRRUs can transmit 4*16 beams. Because the priority of the large packet is lower than that of the small packet, the terminal device 2, that is, the background user, will be dispatched preferentially. At this time, the terminal device 1 cannot be scheduled, that is, the competing users cannot be scheduled. In this case, the peak of the end device 1 is damaged. Specifically, refer to FIG. 6 , which is a schematic diagram of a competition user who cannot be scheduled. Competing users in the first and third time slots cannot be scheduled. In addition, combined with Figure 5, it can be seen that pRRUs cannot form overlapping areas, and joint reception and transmission conditions are not met, resulting in poor diversity and gain effects.

High frequency improves the equivalent isotropically radiated power (EIRP) to ensure coverage, adopts multi-narrow beam scanning coverage, and the indoor multi-pRRU common cell scenario has the following characteristics: the beam width is narrow, and the millimeter-wave indoor module has a single beam with a 3dB width of 12 -15°, far lower than the beam width of low-frequency omnidirectional antennas and directional antennas, and only one beam works in a single time slot. Beam randomness: The orientation consistency of multi-pRRU deployment cannot be guaranteed, and the beam order is randomized. For example, refer to FIG. 7 , which is a schematic diagram of millimeter wave beam coverage. As shown in FIG. 7 , in 7-1 of FIG. 7 , the width of the low-frequency beam of a single cell is higher than that of the high-frequency beam, and the terminal equipment can be located in the overlapping area, so that the power is doubled. However, the narrow beams and the randomness of pointing coverage under RF combination in a single indoor cell lead to small or even no overlap of beams between pRRUs, resulting in the uplink and downlink in a single cell unable to enjoy joint reception and transmission gain. The beam width is narrow, and it is difficult to form an effective overlap without coordination. In 7-2 of Figure 7, multiple pRRUs are deployed with different head-end orientations, and beams sent by different pRRUs in a single cell cannot point to the same area.

Based on this, the present application provides a communication method to solve the above technical problem.

It should be understood that the technical solutions of the embodiments of the present application can be applied to global system for mobile communication (global system for mobile communication, GSM), code division multiple access (code division multiple access, CDMA) 2000, long term evolution (long term evolution, LTE) architecture , the fifth generation mobile communication technology (5th generation mobile networks, 5G), wireless local area network (wireless local area networks, WLAN) system, V2X communication system, etc. The technical solutions of the embodiments of the present application can also be applied to other communication systems in the future, such as 6G communication systems, etc. In the future communication systems, the functions may remain the same, but the names may be changed. In addition, the technical solutions of the embodiments of the present application may also be applied to frequency bands such as FR1, FR2, and terahertz, and there is no limitation here.

The basic structure of the communication system provided by the embodiment of the present application is introduced below. Referring to FIG. 8, FIG. 8 is a basic architecture of a communication system provided by an embodiment of the present application. As shown in FIG. 8 , the communication system may include a terminal device 10 and an access network device 20 that communicates with the terminal device 10 . FIG. 8 is only a schematic diagram, and does not constitute a limitation on applicable scenarios of the technical solution provided in this application.

Wherein, the terminal device 10 is an entity on the user side for receiving signals, or sending signals, or receiving signals and sending signals. The terminal device 10 is used to provide users with one or more of voice services and data connectivity services. The terminal device 10 may be a device that includes a wireless transceiver function and can cooperate with access network devices to provide communication services for users. Specifically, the terminal device 10 may refer to user equipment (user equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, terminal, wireless communication device, user agent , user equipment or roadside unit (road side unit, RSU). The terminal device 10 may also be a drone, an Internet of Things (internetof things, IoT) device, a station (station, ST) in a WLAN, a cellular phone (cellular phone), a smart phone (smart phone), a cordless phone, a wireless data card , tablet computer, session initiation protocol (session initiation protocol, SIP) phone, wireless local loop (wireless local loop, WLL) station, personal digital assistant (PDA) device, laptop computer (laptop computer), Machine type communication (machine type communication, MTC) terminals, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices (also called wearable smart devices), virtual Reality (virtual reality, VR) terminals, augmented reality (augmented reality, AR) terminals, wireless terminals in industrial control (industrial control), wireless terminals in self-driving (self driving), and remote medical (remote medical) Wireless terminals, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, etc. The terminal device 10 may also be a device to device (device to device, D2D) device, for example, an electricity meter, a water meter, and the like. The terminal device 10 may also be a terminal in a 5G system, or a terminal in a next-generation communication system, which is not limited in this embodiment of the present application.

Wherein, the access network device 20 is an entity on the network side for sending a signal, or receiving a signal, or sending a signal and receiving a signal. The access network device 20 may be a device deployed in a radio access network (radio access network, RAN) to provide a wireless communication function for the terminal device 10, for example, it may be a base station or a control node in various forms. For example, a network controller, a wireless controller, a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, and the like. Specifically, the access network equipment may be various forms of macro base stations, micro base stations (also called small cells), relay stations, radio network controllers (radio network controller, RNC), node B (node B, NB), base stations Controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (baseBand unit, BBU), mobile switching center etc., may also be an antenna panel of a base station. The control node can connect multiple base stations, and configure resources for multiple terminals under the coverage of multiple base stations. In systems adopting different radio access technologies, the names of the equipment with base station functions may be different. For example, it may be an evolved base station (evolutional node B, eNB or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or a wireless controller in a 5G gNB, or the access network device 20 may be a relay station, access point, vehicle-mounted device, wearable device, and network-side device in a network after 5G or an access network device in a future evolved PLMN network. The specific name of the access network device is not limited.

Wherein, the access network device 20 may include a baseband processing unit and multiple transmission and reception points, and one transmission and reception point may include at least one pRRU. The multiple transmission reception points are transmission reception points in the same cell.

It should be noted that the technical solutions provided in the embodiments of the present application are applicable to various system architectures. The network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. For the evolution of architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems. For example, the technical solution of the present application may be applicable to other communication systems in which multiple signal sources provide wireless services for terminal equipment.

Optionally, each device (such as terminal device 10, access network device 20, etc.) in FIG. The embodiment of the application does not specifically limit this. It can be understood that the above function can be a network element in a hardware device, a software function running on dedicated hardware, or a virtualization function instantiated on a platform (for example, a cloud platform).

For example, each device in FIG. 8 can be implemented by the communication device 900 in FIG. 9 . FIG. 9 is a schematic diagram of a hardware structure applicable to a communication device provided by an embodiment of the present application. The communication device 900 includes at least one processor 901 , a communication line 902 , a memory 903 and at least one communication interface 904 .

The processor 901 may be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (application-specific integrated circuit, ASIC), or one or more devices used to control the execution of the program program of this application. integrated circuit.

Communication line 902 may include a pathway for passing information between the components described above.

The communication interface 904 is any device such as a transceiver (such as an antenna), and is used for communicating with other devices or communication networks, such as Ethernet, RAN, wireless local area networks (wireless local area networks, WLAN) and the like.

The memory 903 may be a read-only memory (read-only memory, ROM) or other types of static storage devices that can store static information and instructions, random access memory (random access memory, RAM) or other types that can store information and instructions The dynamic storage device can also be an electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage ( including compact discs, laser discs, optical discs, digital versatile discs, blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be stored by a computer Any other medium, but not limited to. The memory may exist independently and be connected to the processor through the communication line 902 . Memory can also be integrated with the processor. The memory provided by the embodiment of the present application may generally be non-volatile.

Wherein, the memory 903 is used to store computer-executed instructions for implementing the solutions of the present application, and the execution is controlled by the processor 901 . The processor 901 is configured to execute computer-executed instructions stored in the memory 903, so as to implement the methods provided in the following embodiments of the present application.

Optionally, the computer-executed instructions in the embodiments of the present application may also be referred to as application program codes, which is not specifically limited in the embodiments of the present application.

In a possible implementation manner, the processor 901 may include one or more CPUs, for example, CPU0 and CPU1 in FIG. 9 .

In a possible implementation manner, the communication device 900 may include multiple processors, for example, the processor 901 and the processor 907 in FIG. 9 . Each of these processors may be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor. A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).

In a possible implementation manner, the communication apparatus 900 may further include an output device 905 and an input device 906 . Output device 905 is in communication with processor 901 and can display information in a variety of ways. For example, the output device 905 may be a liquid crystal display (liquid crystal display, LCD), a light emitting diode (light emitting diode, LED) display device, a cathode ray tube (cathode ray tube, CRT) display device, or a projector (projector) wait. The input device 906 communicates with the processor 901 and can receive user input in various ways. For example, the input device 906 may be a mouse, a keyboard, a touch screen device, or a sensory device, among others.

The aforementioned communication device 900 may be a general-purpose device or a special-purpose device. In a specific implementation, the communication device 900 may be a desktop computer, a portable computer, a network server, a personal digital assistant (PDA), a mobile phone, a tablet computer, a wireless terminal device, an embedded device, or a device having a structure similar to that shown in FIG. 9 . The embodiment of the present application does not limit the type of the communication device 900 .

Hereinafter, with reference to the accompanying drawings, how the technical solutions provided by the embodiments of the present application specifically improve the utilization rate of beam resources will be described.

Referring to FIG. 10 , FIG. 10 is a schematic flowchart of a communication method provided by an embodiment of the present application. Wherein, the access network device in FIG. 10 may be the access network device 20 in FIG. 8 . The access network device in FIG. 10 includes a baseband processing unit, a first transmission receiving point, and a second transmission receiving point. As shown in Figure 10, the method includes but is not limited to the following steps:

1001. The baseband processing unit establishes a first communication channel with the first transmission and reception point.

Optionally, the first transmission receiving point includes at least one miniature radio remote module, and the position of the at least one miniature radio remote module included in the first transmission receiving point may be the same or different, that is, the first transmission receiving point includes at least The geographic locations of a micro remote radio frequency module may be the same or different, which is not limited here. The transmitting and receiving channels of at least one micro remote radio module included in the first transmission and receiving point may be 2T2R (2 receiving, 2 transmitting) or others, and there is no limitation here.

Wherein, the first communication channel may be, for example, a radio frequency real-time control bus (RF real-time control bus, RCBUS) or others, which is not limited here. RCBUS can be used for L2 to deliver beam control information. The RCBUS is a dedicated high-speed message channel between the baseband processing unit and a remote radio unit (RRU) (and its embedded baseband processing unit).

Optionally, the first communication channel includes at least one communication link between the baseband processing unit and at least one micro remote radio module included in the first transmission and reception point.

Exemplarily, if the at least one micro remote radio module included in the first transmission and reception point includes a first micro remote radio module and a second micro remote radio module. There is a communication link between the baseband processing unit and the first micro remote radio module, and there is a communication link between the baseband processing unit and the second micro remote radio module; or, there is a communication link between the baseband processing unit and the first micro remote radio module There is a communication link between the first micro remote radio module and the second micro remote radio module, which is not limited here.

It can be seen that in the above technical solution, the independent communication channel may include at least one communication link between the baseband processing unit and at least one miniature radio remote module contained in the first transmission receiving point, that is, the processing capability of the radio frequency module Low requirements.

1002. The baseband processing unit establishes a second communication channel with the second transmission and reception point, and the first transmission and reception point and the second transmission and reception point are transmission and reception points in the same cell.

Optionally, the second transmission receiving point includes at least one miniature radio remote module, and the position of the at least one miniature radio remote module included in the second transmission receiving point may be the same or different, that is, the second transmission receiving point includes at least The geographic locations of a micro remote radio frequency module may be the same or different, which is not limited here. The transceiver channel of at least one micro remote radio module included in the second transmission and reception point may be 2T2R (2 reception, 2 transmission) or other, which is not limited here.

Wherein, the second communication channel may be, for example, RCBUS or others, which is not limited here.

Optionally, the second communication channel includes at least one communication link between the baseband processing unit and at least one micro remote radio module included in the second transmission and receiving point.

Exemplarily, if at least one micro remote radio module included in the second transmission receiving point includes a third micro remote radio module and a fourth micro remote radio module. There is a communication link between the baseband processing unit and the third micro remote radio module, and there is a communication link between the baseband processing unit and the fourth micro remote radio module; or, there is a communication link between the baseband processing unit and the third micro remote radio module There is a communication link between them, and there is a communication link between the third micro remote radio module and the fourth micro remote radio module, which is not limited here.

It can be seen that in the above technical solution, the independent communication channel may include at least one communication link between the baseband processing unit and at least one miniature radio remote module contained in the first transmission receiving point, that is, the processing capability of the radio frequency module Low requirements.

Optionally, the first transmission receiving point and the second transmission receiving point can be configured as a master-slave TRP, one master TRP has one slave TRP, and the sending and receiving channel of the TRP can be 2T2R. For example, the first transmission receiving point can be the master transmission receiving point, and the second transmission receiving point can be the slave transmission receiving point; or, the first transmission receiving point can be the slave transmission receiving point, and the second transmission receiving point can be the master transmission receiving point point, there is no limit here.

1003. The baseband processing unit sends the first beam control information to the first transmission and reception point through the first communication channel, and sends the second beam control information to the second transmission and reception point through the second communication channel.

Optionally, the first beam control information is used to instruct the first transmission and reception point to send the first beam in the first time unit, and the second beam control information is used to instruct the second transmission and reception point to send the second beam in the first time unit.

Wherein, the first time unit may be, for example, a time unit of different time granularities such as a frame, a subframe, a time slot, a mini-slot, or a symbol, which is not limited here.

Wherein, the beam shapes of the first beam and the second beam are different. The beam shape may include azimuth, inclination, wave width, antenna gain, etc., which is not limited here.

Wherein, the first beam control information is used to indicate that at least one micro remote radio module contained in the first transmission and reception point sends the first beam in the first time unit, and the second beam control information is used to indicate at least one remote radio module contained in the second transmission and reception point A micro remote radio module sends the second beam in the first time unit.

Optionally, the first beam control information and the second beam control information may be included in the same packet or in different packets, which is not limited here.

Exemplarily, the radio frequency can include the first beam control information and the second beam control information in the same message, and a programmable logic array (field programmable gate array, FPGA) or a chip can solve the transmitted beam.

For another example, the baseband processing unit may put the first beam control information in the first packet, and put the second beam control information in the second packet. The baseband processing unit sends the first beam control information to the first transmission and reception point through the first communication channel, which may include: the baseband processing unit sends the first message to the first transmission and reception point through the first communication channel; The communication channel sending the second beam control information to the second transmission and reception point may include: the baseband processing unit sends the second message to the second transmission and reception point through the second communication channel.

It can be seen that in the above technical solution, the baseband processing unit can establish communication channels with different transmission and reception points in the same cell, so that different beam control information can be sent to different transmission and reception points through the communication channel, so that different beam control information in the same cell The transmission and receiving points can transmit different beams at the same time unit, thereby improving the utilization of beam resources. That is, different transmission and reception points in the same cell can independently control beams. For example, at the same time, pRRU1 of the first transmission and reception point selects beam 1, and pRRU2 of the first transmission and reception point selects beam 2, which increases beam resources.

Optionally, the first communication channel and the second communication channel are the same communication channel, at least one communication link included in the first communication channel is included in the first communication link group, and the identifier of the first communication link group is used to indicate the first communication link group The beam control information transmitted by a communication link group is first beam control information. At least one communication link included in the second communication channel is included in the second communication link group, and the identifier of the second communication link group is used to indicate that the beam control information transmitted by the second communication link group is the second beam control information.

It can be seen that in the above technical solution, since the two communication channels are the same communication channel, the computing power requirement on the baseband processing unit can be reduced.

Optionally, the first communication channel and the second communication channel are different communication channels, and the address information corresponding to the first communication channel is used to indicate that the beam control information transmitted by at least one communication link included in the first communication channel is the first For the beam control information, the address information corresponding to the second communication channel is used to indicate that the beam control information transmitted by at least one communication link included in the second communication channel is the second beam control information.

Wherein, the address information corresponding to the first communication channel may be, for example, an RCBUS address (address), and the address information corresponding to the second communication channel may be, for example, an RCBUS address.

Exemplarily, taking distributed 4T as an example, two 2T2R pRRUs form a 4T4R cell, and two 2T2Rs are used to form a distributed V4T, which needs to control two sets of beams for simultaneous scheduling. The V4T4R configuration model is master-slave TRP configuration, one master TRP with one slave TRP, and the TRP transceiver channel is 2T2R. For example, refer to FIG. 11 . FIG. 11 is a communication channel between a baseband processing unit and a TRP provided in an embodiment of the present application. As shown in Figure 11, there is a communication channel between port 0 in the baseband processing unit and port 0 in TRP0, there is a communication channel between port 1 in the baseband processing unit and port 1 in TRP1, and port 2 in the baseband processing unit is connected to port 1 in TRP0. There is a communication channel between the 2 ports in the baseband processing unit, and there is a communication channel between the 3 ports in the baseband processing unit and the 3 ports in TRP1. In addition, TRP0 can be a master TRP, and TRP1 can be a slave TRP; or, TRP0 can be a slave TRP, and TRP1 can be a master TRP. If the 2 groups of pRRUs of V4T are in one communication channel, they will be distinguished by the identifier of the channel group; if they are in different communication channels, they will be distinguished by the RCBUS address.

It can be seen that, in the above technical solution, since the two communication channels are different communication channels, the requirement for the processing capability of the radio frequency module is low.

Optionally, this solution may also be implemented in any of the following ways, which are not limited here.

Method 1: The baseband processing unit obtains the quality of the first reference signal and the quality of the second reference signal; the first reference signal is sent by a micro remote radio module in the first transmission and receiving point, and the quality of the first reference signal is determined by the terminal device The first reference signal is measured, the second reference signal is sent by a micro remote radio module in the second transmission and receiving point, and the quality of the second reference signal is measured by the terminal device on the second reference signal; or, the first reference The signal is received from the terminal equipment by a miniature remote radio module in the first transmission and reception point, the quality of the first reference signal is obtained by measuring the first reference signal by the baseband processing unit, and the second reference signal is obtained by the A miniature radio remote module receives from the terminal equipment, and the quality of the second reference signal is obtained by measuring the second reference signal by the baseband processing unit; the baseband processing unit determines the quality of the second reference signal according to the quality of the first reference signal and the quality of the second reference signal. A micro remote radio module in the first transmission receiving point and a micro remote radio module in the second transmission receiving point respectively transmit the same data to the terminal equipment. It can be seen that in the above technical solution, different transmission and reception points in the same cell can transmit the same data to the terminal device. Because different transmission points in the same cell can transmit the same data to terminal devices in the coverage areas of different transmission and reception points, the diversity effect is improved and the gain effect is also improved. In other words, because the beams of different transmission points of the same cell point to the same area to form an overlapping area, the terminal equipment located in the overlapping area can obtain the gain of distributed joint transmission and reception, thereby making the diversity effect better.

Method 2: The baseband processing unit acquires the quality of at least one third reference signal; the at least one third reference signal is sent by at least one micro remote radio module in the first transmission and reception point, and the quality of at least one third reference signal is determined by the terminal device measured; or, the at least one third reference signal is sent by the terminal device, and the quality of the at least one third reference signal is measured by the baseband processing unit; the baseband processing unit determines the reference signal with the highest quality according to the quality of the at least one third reference signal The corresponding beam; the baseband processing unit transmits data to the terminal device using the beam corresponding to the highest quality reference signal. It can be seen that in the above technical solution, at least one micro remote radio module for the same transmission and receiving point is realized, and the beam corresponding to the reference signal with the highest quality is determined, and then the beam corresponding to the reference signal with the highest quality can be used to send data to the terminal device. transfer data.

Optionally, in this application, the reference signal may be a sounding reference signal (sounding reference signal, SRS), a channel state information reference signal (channel state information reference signal, CSI-RS), a positioning reference signal (positioning reference signal, PRS) or other reference signals, which are not limited here.

Optionally, in this application, the quality of the reference signal may be reference signal received power (reference signal received power, RSRP), reference signal received quality (reference signal received quality, RSRQ) or signal to interference plus noise ratio (signal to interference plus noise ratio , SINR), etc., are not limited here.

Wherein, mode one corresponds to beam coordination, and different TRP beams in a single cell point to the same user. That is, different TRP beams in a single cell point to the same terminal device. With reference to FIG. 11 , it can be understood that joint 4T transmission and joint 4R reception are realized. Further, mode 1 can be understood as independent beam measurement, and independent beam measurement is performed based on two sets of independent measurement reference signals. For example, measure the reference signal sent by the first transmission and reception point, measure the reference signal sent by the second transmission and reception point; or, the first transmission and reception point measures the reference signal sent by the terminal device, and the second transmission and reception point measures the reference signal sent by the terminal device reference signal. It can be understood that in the first mode, beams belonging to different headends in a single cell can be aimed at one terminal device at the same time.

Among them, mode 2 corresponds to beam independence, different TRP beams in a single cell point to different users, that is, different TRP beams in a single cell point to different terminal devices, multiplex spectrum resources, and receive and schedule independently through space division. Further, the second method can be understood as joint beam measurement based on a set of measurements. Independent beam sorting between TRP/pRRUs selects the optimally sorted beams under the two TRPs; joint beam sorting between TRP/pRRUs selects the optimal and suboptimal beams and polls for selection. It can be understood that the second method implements beams of different headends in a single cell, and different beams can be selected to be aimed at different terminal devices.

Optionally, the baseband processing unit determines, according to the quality of the first reference signal and the quality of the second reference signal, to pass through a micro remote radio module in the first transmission receiving point and a micro radio remote module in the second transmission receiving point The modules respectively transmit the same data to the terminal equipment, including: the baseband processing unit determines the difference between the quality of the first reference signal and the quality of the second reference signal; if the quality of the first reference signal and the quality of the second reference signal are between The difference is less than or equal to the threshold, and the baseband processing unit determines to send the transmission data to the terminal device through a micro remote radio module in the first transmission receiving point and a micro remote radio module in the second transmission receiving point respectively.

Where the difference between the quality of the first reference signal and the quality of the second reference signal is less than or equal to the threshold, it can be understood that the terminal device is located in an area covered by both the first transmission receiving point and the second transmission receiving point.

It can be seen that, in the above technical solution, it is realized that based on the difference between the quality of the first reference signal and the quality of the second reference signal, it is determined that the beams of different transmission points of the terminal device located in the same cell point to the same area to form an intersection. The overlapping area enables the terminal equipment located in the overlapping area to obtain the gain of distributed joint transmission and reception, thereby making the diversity effect better.

Optionally, the baseband processing unit determines the beam corresponding to the reference signal with the highest quality according to the quality of at least one third reference signal, including: the baseband processing unit transmits the beam from the terminal device through at least one micro remote radio module in the second transmission and receiving point Receive the quality of at least one fourth reference signal, at least one fourth reference signal is sent by at least one micro remote radio module in the second transmission receiving point; the baseband processing unit according to the quality of at least one third reference signal and at least one fourth The quality of the reference signal determines the beam corresponding to the reference signal with the highest quality.

It can be seen that in the above technical solution, the beam corresponding to the reference signal with the highest quality is determined for at least one micro radio remote module in different transmission and reception points.

It should be understood that the technical solution of this application can independently control different beam shapes from the headend at different geographic locations through different radio frequency channels in a single cell, including beam azimuth, inclination, wave width, antenna gain, etc. ; The narrow beams between multiple points in a single wireless cell can be coordinated or independent, and the beams of different points in a single cell can point to the same position to form an overlapping area, and the users in the overlapping area can jointly send and receive. The beam resources under the narrow beam distributed networking are improved, and the beam overlapping area between different points can also be improved through the centralized control capability to obtain the centralized processing gain brought by the centralized control capability.

The beneficial effects that can be produced by the embodiment of the present application will be described below with reference to FIG. 11 . Beams at different points can be independently scheduled: under V4T, two beams are scheduled per transmission time interval (TTI), which increases 100% compared to single TRP beam resources, and improves PRB resource utilization by 10%-20% in multi-user scenarios. When VNT is used, N beams can be scheduled to solve the problem of beam resource limitation. For example, refer to FIG. 12 . FIG. 12 is a schematic diagram of independent beam scheduling among TRPs according to an embodiment of the present application. As shown in Figure 12, on the left side of Figure 12, a single transmission receiving point, namely TRP1, transmits the same beam, namely beam 2, in the same time slot. In this case, beam 2 prioritizes the scheduling of terminal device 2, and terminal device 1 cannot schedule large packets of users. On the right side of Figure 12, beam 1 of TRP1 schedules terminal device 1, and beam 2 of TRP2 schedules terminal device 2. That is to say, independent beam scheduling between TRPs and multi-user 4T parallel scheduling are realized.

Referring to FIG. 13 , FIG. 13 is a schematic diagram of a gain effect provided by an embodiment of the present application. Combined with Figure 13, it can be seen that a single cell supports multi-point merging to support a larger range of a single cell and reduce inter-sector interference: cell splitting scenarios, indoor rich reflection multipath, interference over thermal (IOT) performance impact Large, distributed multi-point networking can reduce this problem, and only one cell can be deployed in a certain area of the room. Uplink: the maximum interference loss is 32%, and the average drag net is 8%; Downlink: the maximum loss is 38%, and the average is 16%. Narrow beam overlapping areas can be formed: the uplink average joint reception can obtain a 5db gain; the downlink joint transmission channel can achieve an average 3db gain after consistency calibration. It can be understood that the results presented in FIG. 13 were formed under the test conditions shown in FIG. 14 . Referring to FIG. 14 , FIG. 14 is a pRRU test diagram provided in the embodiment of the present application. As shown in Figure 14, the test pRRU is 24 meters away from the interfering pRRU, and the interfering terminal devices placed in different positions are shown in the dashed box.

In addition, the technical solution of this application can also be applied to the millimeter wave of macro stations to solve non-line-of-sight (NLOS) and continuous coverage problems: the "multi-point" drip irrigation coverage method of the same outdoor site reduces shadow areas, reduces the NLOS ratio, and improves coverage rate, providing better continuous coverage under the same macro station site (minimalist head-end site-free DC power supply for each point, etc.); 3 sectors and 3 cells->single cell and multiple sectors- >The super cell is super large and distributed with multiple sectors; at this time, each point also needs distributed beam control and coordination. For example, refer to FIG. 15 . FIG. 15 is a schematic diagram of a macro station performing beam steering at different points of the same site according to an embodiment of the present application. As shown in Figure 15, the beam sent by the minimalist headend 1 can cover the terminal device 2 with an obstruction; the beam sent by the simplified headend 2 can cover the terminal device 3 with an obstruction, and the beam sent by the simplified headend 1 The beam cannot cover the terminal device 3 that is blocked. That is, beams sent at different points can cover different terminal devices.

The foregoing mainly introduces the solution provided by the present application from the perspective of interaction between various network elements. It can be understood that, in order to implement the above functions, each network element includes a corresponding hardware structure and/or software module for performing each function. Those skilled in the art should easily realize that the present application can be implemented in the form of hardware or a combination of hardware and computer software in combination with the units and algorithm steps of each example described in the embodiments disclosed herein. Whether a certain function is executed by hardware or computer software drives hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present application.

The embodiment of the present application can divide the functional modules of the terminal device or the access network device according to the above method example, for example, each functional module can be divided corresponding to each function, or two or more functions can be integrated into one processing module Among them, the above-mentioned integrated modules can be implemented not only in the form of hardware, but also in the form of software function modules. It should be noted that the division of modules in the embodiment of the present application is schematic, and is only a logical function division, and there may be other division methods in actual implementation.

In the case of using an integrated unit, refer to FIG. 16 , which is a schematic structural diagram of a communication device provided by an embodiment of the present application. The communication device 1600 can be applied to the above method shown in FIG. 10 , and as shown in FIG. 16 , the communication device 1600 includes: a processing module 1601 and a transceiver module 1602 . The processing module 1601 may be one or more processors, and the transceiver module 1602 may be a transceiver or a communication interface. The communication device may be used to implement the access network equipment involved in any of the above method embodiments, or be used to implement the functions of the network elements involved in any of the above method embodiments. The network element or network function may be a network element in a hardware device, or a software function running on dedicated hardware, or a virtualization function instantiated on a platform (for example, a cloud platform). Optionally, the communication device 1600 may further include a storage module 1603 for storing program codes and data of the communication device 1600 .

An example is when the communication device is used as an access network device or a chip applied to the access network device, and executes the steps performed by the access network device in the foregoing method embodiments. It can be understood that, in the present application, when the communication device is a chip used in an access network device, the communication device may also be connected to the first transmission receiving point and the second transmission receiving point. The transceiver module 1602 is configured to support communication with the first transmission receiving point, the second transmission receiving point, terminal equipment, etc., specifically perform the sending and/or receiving actions performed by the access network equipment in FIG. 10 , for example, support receiving The onboarding device performs step 1003, and or other processes for the techniques described herein. The processing module 1601 may be used to support the communication device 1600 to perform the processing actions in the above method embodiments, for example, support the access network device to perform one or more steps in step 1001 and step 1002, and or be used in the technology described herein other processes.

Exemplarily, the processing module 1601 is configured to establish a first communication channel with the first transmission receiving point; the processing module 1601 is also configured to establish the first communication channel with the second transmission receiving point; the first transmission receiving point and the second transmission receiving point The receiving point is a transmission receiving point in the same cell; the processing module 1601 is configured to control the transceiver module 1602 to send the first beam control information to the first transmission receiving point through the first communication channel, and send the first beam control information to the second transmission receiving point through the second communication channel point to send the second beam control information; the first beam control information is used to instruct the first transmission and reception point to send the first beam in the first time unit, and the second beam control information is used to instruct the second transmission and reception point to send the first beam in the first time unit second beam.

In a possible implementation manner, when the access network device is a chip, the transceiver module 1602 may be an interface, a pin, or a circuit. The interface can be used to input the data to be processed to the processor, and can output the processing result of the processor. In a specific implementation, the interface can be a general purpose input output (GPIO) interface, which can communicate with multiple peripheral devices (such as a display (LCD), a camera (camara), a radio frequency (radio frequency, RF) module, an antenna, etc. )connect. The interface is connected with the processor through the bus.

The processing module 1601 may be a processor, and the processor may execute computer-executed instructions stored in the storage module, so that the chip executes the method involved in the embodiment of FIG. 10 .

Further, the processor may include a controller, an arithmetic unit and registers. Exemplarily, the controller is mainly responsible for decoding instructions and sending control signals for operations corresponding to the instructions. The arithmetic unit is mainly responsible for performing fixed-point or floating-point arithmetic operations, shift operations, and logic operations, and can also perform address operations and conversions. The register is mainly responsible for saving the register operands and intermediate operation results temporarily stored during the execution of the instruction. In a specific implementation, the hardware architecture of the processor may be an application specific integrated circuits (ASIC) architecture, a microprocessor without interlocked piped stages architecture (MIPS) architecture, an advanced reduced instruction set Machine (advanced RISC machines, ARM) architecture or network processor (network processor, NP) architecture, etc. Processors can be single-core or multi-core.

The storage module may be a storage module in the chip, such as a register, a cache, and the like. The storage module can also be a storage module located outside the chip, such as read-only memory (Read Only Memory, ROM) or other types of static storage devices that can store static information and instructions, random access memory (Random Access Memory, RAM), etc. .

It should be noted that the respective functions of the processor and the interface can be realized through hardware design, software design, or a combination of software and hardware, which is not limited here.

FIG. 17 is a schematic structural diagram of a simplified terminal device provided by an embodiment of the present application. For ease of understanding and illustration, in FIG. 17 , a mobile phone is used as an example of a terminal device. As shown in FIG. 17 , the terminal device includes at least one processor, and may also include a radio frequency circuit, an antenna, and an input and output device. Wherein, the processor can be used to process communication protocols and communication data, and can also be used to control terminal equipment, execute software programs, process data of software programs, and the like. The terminal device may also include a memory, which is mainly used to store software programs and data. These related programs can be loaded into the memory when the communication device leaves the factory, or can be loaded into the memory later when needed. The radio frequency circuit is mainly used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal. Antennas are mainly used to send and receive radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal equipment may not have input and output devices.

When data needs to be sent, the processor performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit. When data is sent to the terminal device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, and the processor converts the baseband signal into data and processes the data. For ease of illustration, only one memory and processor are shown in FIG. 17 . In an actual terminal device product, there may be one or more processors and one or more memories. A memory may also be called a storage medium or a storage device. The memory may be set independently of the processor, or may be integrated with the processor, which is not limited in this embodiment of the present application.

In this embodiment of the application, the antenna and radio frequency circuit with transceiver function can be regarded as the receiving unit and the transmitting unit of the terminal equipment (also collectively referred to as the transceiver unit), and the processor with processing function can be regarded as the processing unit of the terminal equipment . As shown in FIG. 17 , the terminal device includes a receiving module 31 , a processing module 32 and a sending module 33 . The receiving module 31 can also be called a receiver, a receiver, a receiving circuit, etc., and the sending module 33 can also be called a transmitter, a transmitter, a transmitter, a transmitting circuit, etc. The processing module 32 may also be called a processor, a processing board, a processing device, and the like.

For example, the processing module 32 is configured to execute functions of the terminal device in the embodiment shown in FIG. 10 .

FIG. 18 is a schematic structural diagram of a simplified access network device provided by an embodiment of the present application. The access network equipment includes a radio frequency signal transceiving and converting part and a part 42, and the radio frequency signal transceiving and converting part further includes a receiving module 41 and a sending module 43 (also collectively referred to as a transceiver module). The RF signal transceiver and conversion part is mainly used for the RF signal transceiver and the conversion of the RF signal and the baseband signal; the 42 part is mainly used for the baseband processing and controlling the access network equipment, etc. The receiving module 41 can also be called a receiver, a receiver, a receiving circuit, etc., and the sending module 43 can also be called a transmitter, a transmitter, a transmitter, a transmitting circuit, etc. Part 42 is usually the control center of the access network device, which can be generally called a processing module, and is used to control the access network device to perform the steps performed by the above-mentioned access network device in FIG. 10 . For details, please refer to the description of the relevant part above.

Part 42 may include one or more single boards, and each single board may include one or more processors and one or more memories, and the processors are used to read and execute programs in the memories to realize baseband processing functions and interface network device control. If there are multiple single boards, each single board can be interconnected to increase the processing capacity. As an optional implementation, it is also possible that multiple single boards share one or more processors, or that multiple single boards share one or more memories, or that multiple single boards share one or more processors at the same time. device.

It can be understood that part 42 may be a baseband processing unit, and part 41 of the receiving module and part 43 of the sending module may be transmission receiving points.

For example, for the access network device, the sending module 43 is configured to perform the functions of the access network device in the embodiment shown in FIG. 10 .

The present application also provides a communication device, including a memory and a processor, the memory is used to store computer-executable instructions, the processor is used to execute the computer-executable instructions stored in the memory, and the execution of the computer-executable instructions stored in the memory causes the processor to execute the 10 methods in any possible implementation.

The present application also provides another communication device, including a memory and a communication interface, where the communication interface is used to input and/or output information, and the processor is used to execute a computer program, so that the device executes the method in any possible implementation manner in FIG. 10 .

The present application also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a computer, the computer implements the method in any possible implementation manner as shown in FIG. 10 .

In each embodiment of the present application, if there is no special explanation and logical conflict, the terms and/or descriptions between different embodiments are consistent and can be referred to each other, and the technical features in different embodiments are based on their inherent Logical relationships can be combined to form new embodiments.

The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present application. In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the above integrated units are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of software products, and the computer software products are stored in a storage medium Among them, several instructions are included to make a computer device (which may be a personal computer, a cloud server, or a network device, etc.) execute all or part of the steps of the above-mentioned methods in various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, and other media that can store program codes. The above is only a specific embodiment of the application, but the scope of protection of the application is not limited thereto. Any person familiar with the technical field can easily think of various equivalents within the scope of the technology disclosed in the application. Modifications or replacements, these modifications or replacements shall be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (18)

1. A communication method, wherein the method is applied to an access network device, the access network device includes a baseband processing unit, a first transmission receiving point and a second transmission receiving point, and the first transmission receiving point The point and the second transmission and reception point are transmission and reception points in the same cell, and the method includes: The baseband processing unit establishes a first communication channel with the first transmission and reception point; The baseband processing unit establishes a second communication channel with the second transmission and reception point; The baseband processing unit sends first beam control information to the first transmission and reception point through the first communication channel, and sends second beam control information to the second transmission and reception point through the second communication channel; The first beam control information is used to instruct the first transmission and reception point to send the first beam at the first time unit, and the second beam control information is used to instruct the second transmission and reception point to transmit the first beam at the first time unit The unit transmits a second beam. 2. The method according to claim 1, wherein the first transmission receiving point includes at least one micro remote radio module, and the first communication channel includes the baseband processing unit and the first transmission receiving point At least one communication link between at least one micro radio remote module included in the point. 3. The method according to claim 1 or 2, wherein the first communication channel and the second communication channel are the same communication channel, and at least one communication link included in the first communication channel is included in A first communication link group, where the identifier of the first communication link group is used to indicate that the beam control information transmitted by the first communication link group is the first beam control information. 4. The method according to claim 1 or 2, wherein the first communication channel and the second communication channel are different communication channels, and the address information corresponding to the first communication channel is used to indicate the The beam control information transmitted by at least one communication link included in the first communication channel is the first beam control information. 5. The method according to any one of claims 1-4, wherein the method further comprises: The baseband processing unit acquires the quality of the first reference signal and the quality of the second reference signal; the first reference signal is sent by a miniature radio remote module in the first transmission and reception point, and the first reference signal The quality of the first reference signal is measured by the terminal device, the second reference signal is sent by a miniature radio remote module in the second transmission and reception point, and the quality of the second reference signal is determined by The terminal device measures the second reference signal; or, the first reference signal is received from the terminal device by a miniature remote radio module in the first transmission and reception point, and the first reference signal The quality of the signal is obtained by measuring the first reference signal by the baseband processing unit, and the second reference signal is received from the terminal device by a miniature radio remote module in the second transmission and reception point, the The quality of the second reference signal is obtained by measuring the second reference signal by the baseband processing unit; The baseband processing unit determines, according to the quality of the first reference signal and the quality of the second reference signal, the A miniature radio remote module of each transmits the same data to the terminal equipment. 6. The method according to claim 5, wherein the baseband processing unit determines, according to the quality of the first reference signal and the quality of the second reference signal, the A micro remote radio module and a micro remote radio module in the second transmission receiving point respectively transmit the same data to the terminal equipment, including: the baseband processing unit determines a difference between the quality of the first reference signal and the quality of the second reference signal; If the difference between the quality of the first reference signal and the quality of the second reference signal is less than or equal to the threshold, the baseband processing unit determines to The module and a micro radio remote module in the second transmission receiving point respectively send transmission data to the terminal equipment. 7. The method according to any one of claims 1-4, wherein the method further comprises: The baseband processing unit acquires the quality of at least one third reference signal; the at least one third reference signal is sent by at least one micro remote radio module in the first transmission receiving point, and the at least one third reference signal The quality of the at least one third reference signal is obtained by measurement by the terminal device; or, the at least one third reference signal is sent by the terminal device, and the quality of the at least one third reference signal is obtained by measurement by the baseband processing unit; The baseband processing unit determines the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal; The baseband processing unit uses the beam corresponding to the reference signal with the highest quality to transmit data to the terminal device. 8. The method according to claim 7, wherein the baseband processing unit determines the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal, comprising: The baseband processing unit receives the quality of at least one fourth reference signal from the terminal device through at least one micro remote radio module in the second transmission receiving point, and the at least one fourth reference signal is received by the second transmission At least one micro radio remote module in the point sends; The baseband processing unit determines the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal and the quality of the at least one fourth reference signal. 9. A communication device, characterized in that the device includes a processing module and a transceiver module; The processing module is configured to establish a first communication channel with the first transmission receiving point; The processing module is further configured to establish a first communication channel with a second transmission reception point; the first transmission reception point and the second transmission reception point are transmission reception points in the same cell; The processing module is configured to control the transceiver module to send the first beam control information to the first transmission and reception point through the first communication channel, and to send the first beam control information to the second transmission and reception point through the second communication channel. Two beam control information: the first beam control information is used to instruct the first transmission and reception point to send the first beam in the first time unit, and the second beam control information is used to instruct the second transmission and reception point to send the first beam in the first time unit The first time unit sends the second beam. 10. The device according to claim 9, wherein the first transmission receiving point includes at least one micro remote radio module, and the first communication channel includes the baseband processing unit and the first transmission receiving point At least one communication link between at least one micro radio remote module included in the point. 11. The device according to claim 9 or 10, wherein the first communication channel and the second communication channel are the same communication channel, and at least one communication link included in the first communication channel is included in A first communication link group, where the identifier of the first communication link group is used to indicate that the beam control information transmitted by the first communication link group is the first beam control information. 12. The device according to claim 9 or 10, wherein the first communication channel and the second communication channel are different communication channels, and the address information corresponding to the first communication channel is used to indicate the The beam control information transmitted by at least one communication link included in the first communication channel is the first beam control information. 13. The device according to any one of claims 9-12, characterized in that, The processing module is also used to obtain the quality of the first reference signal and the quality of the second reference signal; the first reference signal is sent by a micro remote radio module in the first transmission and reception point, and the first The quality of a reference signal is obtained by measuring the first reference signal by the terminal device, the second reference signal is sent by a miniature radio remote module in the second transmission and reception point, and the second reference signal The quality of the second reference signal is measured by the terminal device; or, the first reference signal is received from the terminal device by a miniature remote radio module in the first transmission and reception point, the The quality of the first reference signal is obtained by measuring the first reference signal by the baseband processing unit, and the second reference signal is received from the terminal device by a miniature radio remote module in the second transmission and reception point , the quality of the second reference signal is obtained by measuring the second reference signal by the baseband processing unit; The processing module is further configured to, according to the quality of the first reference signal and the quality of the second reference signal, control the transceiver module to pass a micro remote radio module in the first transmission and reception point and the second A micro remote radio module in the two transmission and reception points respectively transmits the same data to the terminal equipment. 14. The device according to claim 13, characterized in that, according to the quality of the first reference signal and the quality of the second reference signal, the control transceiver module passes through a miniature When the radio remote module and a micro remote radio module in the second transmission and receiving point respectively transmit the same data to the terminal device, The processing module is configured to determine a difference between the quality of the first reference signal and the quality of the second reference signal; If the difference between the quality of the first reference signal and the quality of the second reference signal is less than or equal to a threshold, the processing module is configured to control the transceiver module to pass through the first transmission receiving point A micro remote radio module and a micro remote radio module in the second transmission receiving point respectively send transmission data to the terminal device. 15. The device according to any one of claims 9-12, characterized in that, The processing module is also used to obtain the quality of at least one third reference signal; the at least one third reference signal is sent by at least one micro remote radio module in the first transmission and reception point, and the at least one first The quality of the three reference signals is obtained by measurement by the terminal device; or, the at least one third reference signal is sent by the terminal device, and the quality of the at least one third reference signal is obtained by measurement by the baseband processing unit; The processing module is further configured to determine the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal; The processing module is further configured to control the transceiver module to transmit data to the terminal device using the beam corresponding to the reference signal with the highest quality. 16. The device according to claim 15, wherein when determining the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal, The processing module is configured to control the quality of at least one fourth reference signal received by the transceiver module from the terminal device through at least one micro remote radio module in the second transmission receiving point, and the at least one fourth reference signal Sent by at least one micro remote radio module in the second transmission and reception point; The processing module is configured to determine the beam corresponding to the reference signal with the highest quality according to the quality of the at least one third reference signal and the quality of the at least one fourth reference signal. 17. A communications device, characterized by comprising a processor and a memory, and the processor invokes a computer program stored in the memory to implement the method according to any one of claims 1-8. 18. A computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when the computer program is executed, the method according to any one of claims 1-8 is implemented .

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