CN110475328B - Control method, terminal device and network device - Google Patents
Control method, terminal device and network device Download PDFInfo
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- CN110475328B CN110475328B CN201810445103.7A CN201810445103A CN110475328B CN 110475328 B CN110475328 B CN 110475328B CN 201810445103 A CN201810445103 A CN 201810445103A CN 110475328 B CN110475328 B CN 110475328B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
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Abstract
本发明提供一种控制方法、终端设备及网络设备，其中，所述控制方法包括：对一个传输时间间隔内传输的N个上行传输进行控制；所述控制为：控制所述N个上行传输的发送功率，使得在所述一个传输时间间隔内的每两个连续传输的上行传输的功率差值的绝对值小于第一预设门限值；或者，控制所述N个上行传输的传输时间，使得在所述一个传输时间间隔内的连续传输的功率差值的绝对值大于第二预设门限值的上行传输之间预留保护间隔；所述N为大于或等于2的正整数。本发明的方案，能够减少上行传输过程中终端设备过渡时间的影响，降低符号间干扰或者信号失真。
The present invention provides a control method, terminal equipment and network equipment, wherein the control method includes: controlling N uplink transmissions transmitted within a transmission time interval; the control is: controlling the N uplink transmissions. sending power, so that the absolute value of the power difference value of each two consecutive uplink transmissions in the one transmission time interval is smaller than the first preset threshold value; or, controlling the transmission time of the N uplink transmissions, A guard interval is reserved between uplink transmissions where the absolute value of the power difference value of the continuous transmission in the one transmission time interval is greater than the second preset threshold value; the N is a positive integer greater than or equal to 2. The solution of the present invention can reduce the influence of the transition time of the terminal equipment in the uplink transmission process, and reduce the inter-symbol interference or signal distortion.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a control method, a terminal device, and a network device.
Background
Fifth generation (5)thGeneration, 5G) mobile communication system supports mobile enhanced broadband, low-latency, highly reliable and large-scale machine communication connection services. In order to meet the requirements of different services on performance indexes such as throughput, delay, reliability and the like, higher requirements are put forward for the implementation of network Equipment such as a base station and the like and terminal Equipment such as User Equipment (UE).
In a New Radio (NR) system, an uplink channel includes: a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), and a Physical Random Access Channel (PRACH); the uplink reference signal includes: demodulation reference signal (DMRS) and Sounding Reference Signal (SRS).
In the NR system, for a frequency band lower than 6GHz, the transition time (transition time) of the UE needs 10 us; for the frequency band higher than 24GHz, the transition time of the UE needs 5 us. The transition time of the UE is a power ramp-up or power ramp-down time.
Currently, when SRS symbol transmission power continuously transmitted by a UE changes, a port changes, or frequency hopping occurs, a transition time of the UE needs to be considered. Similarly, when the power of other continuously transmitted uplink channels or uplink reference signals changes or hops, the transition time of the UE also needs to be considered. However, in the conventional NR mobile communication system, when at least one of PUSCH, PUCCH, PRACH, and SRS is continuously transmitted (including the same channel and different channels) and power adjustment is performed, the influence of UE transition time (power ramp-up or ramp-down time) is not considered, which may cause severe inter-symbol interference or signal distortion, and further cause a decrease in uplink reference signal or channel reception performance, and a decrease in uplink or downlink channel transmission rate.
Disclosure of Invention
Embodiments of the present invention provide a control method, a terminal device, and a network device, so as to solve the problem of inter-symbol interference or signal distortion caused by not considering the influence of a transition time of a terminal device when an uplink channel or an uplink reference signal is continuously transmitted and power adjustment is performed.
In a first aspect, an embodiment of the present invention provides a control method, applied to a terminal device, including:
controlling N uplink transmissions transmitted within a transmission time interval;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
In a second aspect, an embodiment of the present invention provides a control method, applied to a network device, including:
sending uplink power control parameter configuration information to terminal equipment, so that the terminal equipment can control N uplink transmissions transmitted in one transmission time interval according to the uplink power control parameter configuration information;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
In a third aspect, an embodiment of the present invention further provides a terminal device, including:
the control module is used for controlling N uplink transmissions transmitted in a transmission time interval;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
In a fourth aspect, an embodiment of the present invention further provides a network device, including:
a sending module, configured to send uplink power control parameter configuration information to a terminal device, so that the terminal device can control N uplink transmissions transmitted within one transmission time interval according to the uplink power control parameter configuration information;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
In a fifth aspect, an embodiment of the present invention further provides a terminal device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the control method applied to the terminal device.
In a sixth aspect, an embodiment of the present invention further provides a network device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the control method applied to the network device.
In a seventh aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the above control method.
The control method of the embodiment of the invention can make the absolute value of the power difference value of every two continuously transmitted uplink transmissions in a transmission time interval smaller by controlling the N uplink transmissions transmitted in the transmission time interval, avoid power adjustment between the continuously transmitted uplink transmissions, or make a protection interval reserved between the uplink transmissions with the larger absolute value of the power difference value of the continuous transmissions in the transmission time interval, thereby reducing the influence of the transition time of the terminal equipment in the uplink transmission process and reducing the inter-symbol interference or signal distortion.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a flow chart of a control method according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating power adjustment at different subcarrier spacings according to an embodiment of the present invention;
fig. 3A is a schematic diagram illustrating a reservation of an unprotected interval according to an embodiment of the present invention;
fig. 3B is a schematic diagram of a protection interval reservation according to an embodiment of the present invention;
FIG. 4 is a flow chart of another control method provided by the embodiment of the invention;
fig. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a network device according to an embodiment of the present invention;
fig. 7 is a second schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 8 is a second schematic structural diagram of a network device according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
Referring to fig. 1, an embodiment of the present invention provides a control method, which is applied to a terminal device, and includes the following steps:
step 101: controlling N uplink transmissions transmitted within a transmission time interval.
In the embodiment of the present invention, the control in step 101 may reduce inter-symbol interference or signal distortion in the uplink transmission process, and may at least include power control or transmission time control. Specifically, the control in step 101 may be: and controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value, or controlling the transmission time of the N uplink transmissions so that a guard interval is reserved between the uplink transmissions of which the absolute value of the power difference value of the continuous transmission in the transmission time interval is larger than a second preset threshold value. And N is a positive integer greater than or equal to 2.
It is understood that, for those skilled in the art, the first preset threshold value and the second preset threshold value may be preset according to actual situations. In a specific implementation, according to the first preset threshold, the powers of the uplink transmissions continuously transmitted in the transmission time interval may be the same or substantially the same, and the powers of the uplink transmissions continuously transmitted in the transmission time interval may be the same or different. According to the second preset threshold value, a guard interval in a certain time exists between uplink transmissions with larger absolute values of power difference values of continuous transmissions in a transmission time interval.
It should be noted that the unit of the one tti may be a symbol, a slot, or a subframe, and further the one tti may include at least one symbol, at least one slot, or at least one subframe.
In this embodiment of the present invention, the N uplink transmissions may include: an uplink channel and/or an uplink reference signal.
For example, in N uplink transmissions, the combined transmission mode of the uplink channel and the uplink reference signal can be seen in table 1 below:
TABLE 1
As can be seen from table 1: the N uplink transmissions may include uplink channels of the same type, uplink channels of the same type and uplink reference signals of different types, uplink channels of the same type and uplink reference signals of the same type, uplink reference signals of the same type and uplink channels of different types, uplink reference signals of the same type and uplink channels of the same type, or uplink reference signals of different types and uplink channels of different types. It may be understood that the same type of uplink channel may include at least two PUSCHs, at least two PUCCHs, and/or PRACH, and the same type of uplink reference signal may include at least two SRSs.
Preferably, in a specific implementation, the N uplink transmissions include uplink channels of the same type and/or uplink reference signals of the same type, so that an absolute value of a power difference between uplink transmissions of the same type that are continuously transmitted within a transmission time interval is smaller than a first preset threshold.
The control method of the embodiment of the invention can make the absolute value of the power difference value of every two continuously transmitted uplink transmissions in a transmission time interval smaller by controlling the N uplink transmissions transmitted in the transmission time interval, avoid power adjustment between the continuously transmitted uplink transmissions, or make a protection interval reserved between the uplink transmissions with the larger absolute value of the power difference value of the continuous transmissions in the transmission time interval, thereby reducing the influence of the transition time of the terminal equipment in the uplink transmission process and reducing the inter-symbol interference or signal distortion.
In this embodiment of the present invention, optionally, uplink transmission of continuous transmission of the reserved guard interval may be carried on a carrier with a preset subcarrier interval. Optionally, the guard interval may include at least one symbol.
For example, the predetermined subcarrier spacing may be a 60KHz subcarrier spacing below the 6GHz band, or a 120KHz subcarrier spacing above the 6GHz band; or the preset subcarrier spacing may be a 30KHz, 60KHz subcarrier spacing below the 6GHz band, or a 60KHz, 120KHz subcarrier spacing above the 6GHz band.
In the embodiment of the invention, when the terminal equipment controls the uplink transmission in a certain transmission time interval, the terminal equipment can be controlled based on the indication of the network side and also can be controlled based on certain self considered factors. Specifically, step 101 may include:
receiving uplink power control parameter configuration information from the network device;
and performing power control on part or all of the N uplink transmissions according to the uplink power control parameter configuration information, so that the absolute value of the power difference value of every two uplink transmissions in the transmission time interval is smaller than the first preset threshold value.
It should be noted that the uplink power control parameter configuration information sent by the network side may be one or more. When the uplink power control parameter configuration information is at least two, different uplink power control parameter configuration information can be applied to configuring serving cells or partial bandwidths of different subcarrier intervals. Optionally, the uplink Power Control parameter configuration information may include change information of at least one of a target received Power, a path loss compensation factor, a path loss calculation Reference Signal, a closed loop Power adjustment process identifier, a Sounding Reference Signal Resource Indication (SRI), and a Transmit Power Control (TPC).
In order to ensure that the uplink transmission of the terminal device in one transmission time interval adopts the same power control related parameters, the network side can configure the same power control related parameters.
In this embodiment of the present invention, optionally, the effective time of the uplink power control parameter configuration information sent by the network side may be the starting time of the corresponding transmission time interval, so as to ensure that the uplink transmission power is timely controlled, and an absolute value of a power difference between every two uplink transmissions in the transmission time interval is smaller than a preset threshold.
In the embodiment of the present invention, the uplink power control parameter configuration information sent by the network side may be applied to a carrier with one subcarrier interval, and may also be applied to carriers with different subcarrier intervals. When the method is applied to one subcarrier interval, the effective time of the uplink power control parameter configuration information can be directly determined according to the subcarrier interval, and when the method is applied to different subcarrier intervals, the effective time of the uplink power control parameter configuration information can be determined according to any subcarrier interval in the different subcarrier intervals. Specifically, the uplink power control parameter configuration information sent by the receiving network side may include:
receiving first uplink power control parameter configuration information on a first carrier, wherein the first uplink power control parameter configuration information corresponds to first uplink transmission carried by a second carrier, a subcarrier interval of the first carrier is different from a subcarrier interval of the second carrier, and the N uplink transmissions include the first uplink transmission.
Correspondingly, the performing power control on part or all of the N uplink transmissions according to the uplink power control parameter configuration information may include:
and starting to adjust the sending power of the first uplink transmission at the effective time of the first uplink power control parameter configuration information.
The effective time of the first uplink power control parameter configuration information may be determined according to the subcarrier spacing of the first carrier or the subcarrier spacing of the second carrier. Preferably, the effective time of the first uplink power control parameter configuration information may be determined according to a smaller subcarrier interval of the first carrier and the subcarrier interval of the second carrier, so that power adjustment of corresponding uplink transmission may be avoided under a condition that demodulation of the uplink power control parameter configuration information is not completed, thereby avoiding improper power adjustment.
For example, assuming that the network configures the UE to transmit SRS on carrier 1 with subcarrier spacing of 15KHz and carrier 2 with subcarrier spacing of 60KHz, and receives the TPC command for SRS on carrier 2 in the nth slot of carrier 1, as shown in fig. 2, the UE may start adjusting the transmission power for SRS on carrier 2 in the nth +5 slot (corresponding to the (m + 20) th slot of carrier 2, where the TPC command is demodulated completely) which is the slot length determined based on carrier 1. Furthermore, the UE may also start adjusting the SRS transmit power on carrier 2 at the slot length determined based on carrier 2, i.e., at the m +5 th slot (corresponding to the n +1 th slot of carrier 1), but since the TPC command may not be demodulated at the time of the n +1 th slot, inaccurate power adjustment may result.
In the embodiment of the present invention, when the transmission power varies between different uplink transmissions, the priorities of the transmission times of the different uplink transmissions occupied by the transition time of the terminal device may be as follows:
PRACH＜PUSCH DMRS＜short PUCCH＜SRS＜PUSCH，long PUCCH；
or PRACH < SRS < PUSCH, PUCCH.
Optionally, when the transmission priorities of the uplink transmissions of the continuous transmissions are the same, the transition time of the terminal device may be shared between the uplink transmissions of the continuous transmissions, that is, evenly distributed in the adjacent uplink transmissions. And when the transmission priorities of the continuously transmitted uplink transmissions are different, the transition time of the terminal device may be configured to the transmission time of the uplink transmission with the lower priority among the continuously transmitted uplink transmissions.
For example, assume that a network side configures a UE to continuously transmit a PUSCH and an SRS in a slot, an absolute value of a power difference of the SRS with respect to the PUSCH is smaller than a preset threshold 3dB, and a priority of a transmission time of the PUSCH occupied by a transition time of a terminal device is higher than a priority of the SRS, a guard interval does not need to be reserved between the PUSCH and the SRS, and the transition time of the UE is located at the transmission time of the PUSCH, as shown in fig. 3A. On the other hand, if the absolute value of the power difference of the SRS relative to the PUSCH is greater than 3dB, the carrier frequency is greater than 6GHz, and the subcarrier spacing is 120KHz, a guard interval of one symbol may be reserved between the PUSCH and the SRS, and the transition time of the UE is located in the guard interval, as shown in fig. 3B.
Referring to fig. 4, an embodiment of the present invention further provides a control method, applied to a network device, including the following steps:
step 401: and sending uplink power control parameter configuration information to the terminal equipment, so that the terminal equipment can control N uplink transmissions transmitted in one transmission time interval according to the uplink power control parameter configuration information.
Wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
The control method of the embodiment of the invention can enable the terminal equipment to control the N uplink transmissions transmitted in one transmission time interval, so that the absolute value of the power difference value of every two uplink transmissions continuously transmitted in the transmission time interval is smaller, the power adjustment between the uplink transmissions continuously transmitted is avoided, or the protection interval is reserved between the uplink transmissions with the larger absolute value of the power difference value continuously transmitted in the transmission time interval, thereby reducing the influence of the transition time of the terminal equipment in the uplink transmission process and reducing the inter-symbol interference or signal distortion.
In this embodiment of the present invention, optionally, the N uplink transmissions include uplink channels of the same type and/or uplink reference signals of the same type.
Optionally, the uplink transmission with the absolute value of the power difference of the continuous transmission being greater than the second preset threshold is carried on carriers at preset subcarrier intervals.
Optionally, the guard interval includes at least one symbol.
Optionally, after sending the uplink power control parameter configuration information to the terminal device, the method further includes:
and when the N uplink transmissions have uplink transmissions of which the absolute values of the power difference values of the continuous transmissions are greater than a second preset threshold value, reserving a guard interval between the uplink transmissions of which the absolute values of the power difference values of the continuous transmissions are greater than the second preset threshold value.
The above embodiments describe the control method of the present invention, and the terminal device and the network device of the present invention will be described with reference to the embodiments and the drawings.
Referring to fig. 5, an embodiment of the present invention further provides a terminal device, including:
a control module 51, configured to control N uplink transmissions transmitted within one transmission time interval;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
The terminal device of the embodiment of the present invention controls N uplink transmissions transmitted in a transmission time interval, so that an absolute value of a power difference between every two uplink transmissions in the transmission time interval is small, thereby avoiding performing power adjustment between the uplink transmissions in the continuous transmission, or reserving a guard interval between the uplink transmissions in the transmission time interval in which the absolute value of the power difference between the uplink transmissions in the continuous transmission is large, thereby reducing an influence of a transition time of the terminal device in an uplink transmission process, and reducing inter-symbol interference or signal distortion.
Optionally, the N uplink transmissions include uplink channels of the same type and/or uplink reference signals of the same type.
Optionally, the uplink transmission with the absolute value of the power difference of the continuous transmission being greater than the second preset threshold is carried on carriers at preset subcarrier intervals.
Optionally, the guard interval includes at least one symbol.
Optionally, the control module 51 includes:
the receiving unit receives the uplink power control parameter configuration information from the network equipment;
and the control unit controls the power of part or all of the N uplink transmissions according to the uplink power control parameter configuration information, so that the absolute value of the power difference value of every two uplink transmissions in the transmission time interval is smaller than the first preset threshold value.
Optionally, the receiving unit is specifically configured to:
receiving first uplink power control parameter configuration information on a first carrier, wherein the first uplink power control parameter configuration information corresponds to first uplink transmission carried by a second carrier, a subcarrier interval of the first carrier is different from a subcarrier interval of the second carrier, and the N uplink transmissions include the first uplink transmission;
the control unit is specifically configured to:
and starting to adjust the sending power of the first uplink transmission at the effective time of the first uplink power control parameter configuration information.
Optionally, the effective time of the first uplink power control parameter configuration information may be determined according to a subcarrier interval of the first carrier or a subcarrier interval of the second carrier.
Optionally, the effective time of the uplink power control parameter configuration information is the starting time of the transmission time interval.
Referring to fig. 6, an embodiment of the present invention further provides a network device, including:
the sending module 61, since sending the uplink power control parameter configuration information to the terminal device, enables the terminal device to control N uplink transmissions transmitted within one transmission time interval according to the uplink power control parameter configuration information;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
The network device of the embodiment of the invention can configure the terminal device to control the N uplink transmissions transmitted in one transmission time interval, so that the absolute value of the power difference value of every two uplink transmissions continuously transmitted in the transmission time interval is smaller, the power adjustment between the uplink transmissions continuously transmitted is avoided, or a protection interval is reserved between the uplink transmissions with the larger absolute value of the power difference value continuously transmitted in the transmission time interval, thereby reducing the influence of the transition time of the terminal device in the uplink transmission process and reducing the inter-symbol interference or signal distortion.
Optionally, the N uplink transmissions include uplink channels of the same type and/or uplink reference signals of the same type.
Optionally, the uplink transmission with the absolute value of the power difference of the continuous transmission being greater than the second preset threshold is carried on carriers at preset subcarrier intervals.
Optionally, the guard interval includes at least one symbol.
Optionally, the network device further includes:
and the reservation module is used for reserving a protection interval between uplink transmissions with the absolute value of the power difference value of continuous transmission larger than a second preset threshold value when the absolute value of the power difference value of the continuous transmission in the N uplink transmissions is larger than the second preset threshold value.
The embodiment of the present invention further provides a terminal device, which includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements each process of the control method embodiment, and can achieve the same technical effect, and is not described herein again to avoid repetition.
Specifically, fig. 7 is a schematic diagram of a hardware structure of a terminal device for implementing various embodiments of the present invention, where the terminal device 700 includes, but is not limited to: a radio frequency unit 701, a network module 702, an audio output unit 703, an input unit 704, a sensor 705, a display unit 706, a user input unit 707, an interface unit 708, a memory 709, a processor 710, a power supply 711, and the like. Those skilled in the art will appreciate that the terminal structure shown in fig. 7 does not constitute a limitation of the terminal, and that the terminal device may include more or fewer components than those shown, or may combine certain components, or a different arrangement of components. In the embodiment of the present invention, the terminal device includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 710 is configured to control N uplink transmissions transmitted in one transmission time interval;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
The terminal device 700 of the embodiment of the present invention controls N uplink transmissions transmitted in one transmission time interval, so that the absolute value of the power difference between every two uplink transmissions in the transmission time interval is smaller, thereby avoiding performing power adjustment between the uplink transmissions in the continuous transmission, or reserving a guard interval between the uplink transmissions in the transmission time interval in which the absolute value of the power difference between the uplink transmissions in the continuous transmission is larger, thereby reducing the influence of the transition time of the terminal device in the uplink transmission process, and reducing inter-symbol interference or signal distortion.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and sending signals during a message transmission and reception process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 710; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 701 may also communicate with a network and other devices through a wireless communication system.
The terminal device provides the user with wireless broadband internet access through the network module 702, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output related to a specific function performed by the terminal device 700 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used to receive audio or video signals. The input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphic processor 7041 may be stored in the memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 701 in case of a phone call mode.
The terminal device 700 further comprises at least one sensor 705, such as light sensors, motion sensors and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the luminance of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 7061 and/or a backlight when the terminal device 700 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 705 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 706 is used to display information input by the user or information provided to the user. The Display unit 706 may include a Display panel 7061, and the Display panel 7061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 707 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations by a user on or near the touch panel 7071 (e.g., operations by a user on or near the touch panel 7071 using a finger, a stylus, or any other suitable object or attachment). The touch panel 7071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 710, receives a command from the processor 710, and executes the command. In addition, the touch panel 7071 can be implemented by various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, the other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation on or near the touch panel 7071, the touch operation is transmitted to the processor 710 to determine the type of the touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although the touch panel 7071 and the display panel 7061 are shown in fig. 7 as two separate components to implement the input and output functions of the terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 708 is an interface for connecting an external device to the terminal apparatus 700. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal apparatus 700 or may be used to transmit data between the terminal apparatus 700 and the external device.
The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 709 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 710 is a control center of the terminal device, connects various parts of the entire terminal device using various interfaces and lines, and performs various functions of the terminal device and processes data by operating or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby performing overall monitoring of the terminal device. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 710.
The terminal device 700 may further include a power supply 711 (e.g., a battery) for supplying power to various components, and preferably, the power supply 711 may be logically connected to the processor 710 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.
In addition, the terminal device 700 may further include some functional modules that are not shown, and are not described herein again.
The embodiment of the present invention further provides a network device, which includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements the processes of the control method embodiment applied to the network device, and can achieve the same technical effects, and is not described herein again to avoid repetition.
Specifically, fig. 8 is a schematic diagram of a hardware structure of a network device for implementing various embodiments of the present invention, where the network device 80 includes but is not limited to: a bus 81, a transceiver 82, an antenna 83, a bus interface 84, a processor 85, and a memory 86.
In this embodiment of the present invention, the network device 80 further includes: a computer program stored on the memory 86 and executable on the processor 85, the computer program when executed by the processor 85 performing the steps of:
sending uplink power control parameter configuration information to terminal equipment, so that the terminal equipment can control N uplink transmissions transmitted in one transmission time interval according to the uplink power control parameter configuration information;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
A transceiver 82 for receiving and transmitting data under the control of the processor 85.
In FIG. 8, a bus architecture (represented by bus 81), bus 81 may include any number of interconnected buses and bridges, bus 81 linking together various circuits including one or more processors, represented by processor 85, and memory, represented by memory 86. The bus 81 may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. A bus interface 84 provides an interface between the bus 81 and the transceiver 82. The transceiver 82 may be one element or may be multiple elements, such as multiple receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 85 is transmitted over a wireless medium via the antenna 83, and further, the antenna 83 receives the data and transmits the data to the processor 85.
The processor 85 is responsible for managing the bus 81 and general processing, and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And the memory 86 may be used to store data used by the processor 85 in performing operations.
Alternatively, the processor 85 may be a CPU, ASIC, FPGA or CPLD.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the control method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium is, for example, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (18)
1. A control method is applied to terminal equipment and is characterized by comprising the following steps:
controlling N uplink transmissions transmitted within a transmission time interval;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
2. The method of claim 1, wherein the N uplink transmissions comprise uplink channels of a same type and/or uplink reference signals of a same type.
3. The method of claim 1, wherein the uplink transmissions with the absolute value of the power difference between the consecutive transmissions being greater than a second predetermined threshold are carried on carriers with a predetermined subcarrier spacing.
4. The method of claim 1, wherein the guard interval comprises at least one symbol.
5. The method of claim 1, wherein the controlling of N uplink transmissions transmitted in one transmission time interval comprises:
receiving uplink power control parameter configuration information from the network device;
and performing power control on part or all of the N uplink transmissions according to the uplink power control parameter configuration information, so that the absolute value of the power difference value of every two uplink transmissions in the transmission time interval is smaller than the first preset threshold value.
6. The method of claim 5, wherein receiving uplink power control parameter configuration information from the network device comprises:
receiving first uplink power control parameter configuration information on a first carrier, wherein the first uplink power control parameter configuration information corresponds to first uplink transmission carried by a second carrier, a subcarrier interval of the first carrier is different from a subcarrier interval of the second carrier, and the N uplink transmissions include the first uplink transmission;
the performing power control on part or all of the N uplink transmissions according to the uplink power control parameter configuration information includes:
and starting to adjust the sending power of the first uplink transmission at the effective time of the first uplink power control parameter configuration information.
7. The method of claim 6, wherein the effective time of the first uplink power control parameter configuration information is determined according to a subcarrier spacing of the first carrier or a subcarrier spacing of the second carrier.
8. The method of claim 5, wherein the time for validating the uplink power control parameter configuration information is a starting time of the transmission time interval.
9. A control method applied to a network device is characterized by comprising the following steps:
sending uplink power control parameter configuration information to terminal equipment, so that the terminal equipment can control N uplink transmissions transmitted in one transmission time interval according to the uplink power control parameter configuration information;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
10. The method of claim 9, wherein the N uplink transmissions comprise uplink channels of a same type and/or uplink reference signals of a same type.
11. The method of claim 9, wherein the uplink transmissions with the absolute value of the power difference between the consecutive transmissions being greater than a second predetermined threshold are carried on carriers with a predetermined subcarrier spacing.
12. The method of claim 9, wherein the guard interval comprises at least one symbol.
13. The method of claim 9, wherein after the sending the uplink power control parameter configuration information to the terminal device, the method further comprises:
and when the N uplink transmissions have uplink transmissions of which the absolute values of the power difference values of the continuous transmissions are greater than a second preset threshold value, reserving a guard interval between the uplink transmissions of which the absolute values of the power difference values of the continuous transmissions are greater than the second preset threshold value.
14. A terminal device, comprising:
the control module is used for controlling N uplink transmissions transmitted in a transmission time interval;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
15. A network device, comprising:
a sending module, configured to send uplink power control parameter configuration information to a terminal device, so that the terminal device can control N uplink transmissions transmitted within one transmission time interval according to the uplink power control parameter configuration information;
wherein the control is: controlling the sending power of the N uplink transmissions so that the absolute value of the power difference value of every two uplink transmissions of continuous transmission in the transmission time interval is smaller than a first preset threshold value; or controlling the transmission time of the N uplink transmissions, so that a guard interval is reserved between uplink transmissions in which the absolute value of the power difference of continuous transmissions in the transmission time interval is greater than a second preset threshold value; and N is a positive integer greater than or equal to 2.
16. A terminal device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the computer program, when executed by the processor, implements the steps of the control method according to any one of claims 1 to 8.
17. A network device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the computer program realizes the steps of the control method according to any one of claims 9 to 13 when executed by the processor.
18. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the control method according to any one of claims 1 to 13.
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| CN111093280A (en) * | 2019-11-22 | 2020-05-01 | 中兴通讯股份有限公司 | Signal indication method, device, base station and storage medium |
| CN115315930B (en) * | 2020-05-15 | 2023-10-13 | Oppo广东移动通信有限公司 | Method, device and storage medium for determining guard interval |
| WO2022011575A1 (en) * | 2020-07-14 | 2022-01-20 | 华为技术有限公司 | Power adjusting method and apparatus |
| CN113677029B (en) * | 2021-08-24 | 2024-11-26 | 维沃移动通信有限公司 | Uplink signal transmission method, device and terminal |
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