CN114071647A - Access control method and device - Google Patents

Abstract

The present application discloses an access control method and device. The method includes: a relay terminal determines access control indication information of a side link and/or an access control behavior of a side link; The access control indication information and/or the access control behavior of the side link is used to perform access control on the remote terminal. In this embodiment of the present application, the relay terminal may perform access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link determined by the relay terminal, so that the relay terminal is the remote terminal When providing relay transmission services with network side devices, network admission control can be effectively performed to avoid aggravating network congestion or increasing signaling overhead.

Description

Access control method and device

technical field

The present application belongs to the field of communication technologies, and in particular relates to an access control method and device.

Background technique

After the introduction of relay terminals to provide terminal-to-network relay services, remote terminals accessing the network through side links will directly affect the network service load. Therefore, the PC5 interface also needs an access control mechanism. If there is no access control mechanism of the PC5 interface, when the network is congested, the relay terminal can continue to allow new terminals to access the network through the relay terminal, which will aggravate network congestion, or the new terminal will be blocked after going through a complex signaling process. The base station refuses to provide the service, and finally the new terminal has to reselect another cell or relay terminal to provide the service, which not only leads to a large signaling overhead, but also causes a delay for the new terminal to reselect a cell/relay terminal.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide an access control method and apparatus to solve the problem of aggravating network congestion or high signaling overhead when a relay terminal performs access control on a remote terminal.

In a first aspect, an access control method is provided, including:

The relay terminal determines the access control indication information of the side link and/or the access control behavior of the side link;

The relay terminal performs access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link.

In a second aspect, an access control method is provided, including:

The remote terminal acquires information related to the access control behavior of the side link of the relay terminal;

The remote terminal determines, according to the information, to initiate an access request to access the network through the relay terminal or not to initiate an access request to access the network through the relay terminal.

In a third aspect, an access control method is provided, including:

The network side device sends sixth information to the relay terminal, where the sixth information is used to configure the access control indication information of the side link and/or the access control behavior of the side link.

In a fourth aspect, an access control apparatus is provided, applied to a relay terminal, including:

a determining module, configured to determine the access control indication information of the side link and/or the access control behavior of the side link;

A control module, configured to perform access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link.

In a fifth aspect, an access control apparatus is provided, applied to a remote terminal, including:

an acquisition module, configured to acquire information related to the access control behavior of the side link of the relay terminal;

A determining module, configured to determine, according to the information, to initiate an access request for accessing the network through the relay terminal or not to initiate an access request for accessing the network through the relay terminal.

A sixth aspect provides a terminal, comprising: a processor, a memory, and a program stored on the memory and executable on the processor, the program being executed by the processor to implement the first aspect or The steps of the method of the second aspect.

In a seventh aspect, an access control apparatus is provided, applied to a network side device, including:

A sending module, configured to send sixth information to the relay terminal, where the sixth information is used to configure the access control indication information of the sidelink and/or the access control behavior of the sidelink.

In an eighth aspect, a network-side device is provided, including: a processor, a memory, and a program stored on the memory and executable on the processor, the program being executed by the processor to achieve the third The steps of the method of the aspect.

A ninth aspect provides a readable storage medium, wherein a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the first aspect, the second aspect or the third aspect is implemented The steps of the method of the aspect.

A tenth aspect provides a readable storage medium, on which a program or an instruction is stored, and when the program or instruction is executed by a processor, the method according to the first aspect, the second aspect or the third aspect is implemented A step of.

In an eleventh aspect, a program product is provided, the program product is stored in a non-volatile storage medium, the program product is executed by at least one processor to implement the first aspect, the second aspect or the third aspect the steps of the method.

A twelfth aspect provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect and the second The steps of the method of aspect or the third aspect.

In this embodiment of the present application, the relay terminal may perform access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link determined by the relay terminal, so that the relay terminal is the remote terminal When providing relay transmission services with network side devices, network admission control can be effectively performed to avoid aggravating network congestion or increasing signaling overhead.

Description of drawings

FIG. 1 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;

FIG. 2 is one of the flowcharts of the access control method according to the embodiment of the present application;

FIG. 3 is the second flow chart of the access control method according to the embodiment of the present application;

FIG. 4 is the third flowchart of the access control method according to the embodiment of the present application;

FIG. 5 is one of the schematic diagrams of an access control apparatus according to an embodiment of the present application;

6 is the second schematic diagram of an access control apparatus according to an embodiment of the present application;

7 is a schematic diagram of a terminal according to an embodiment of the present application;

8 is a third schematic diagram of an access control apparatus according to an embodiment of the present application;

FIG. 9 is a schematic diagram of a network side device according to an embodiment of the present application.

Detailed ways

In order to facilitate understanding of the embodiments of the present application, the following two technical points are first introduced:

1. Introduction to sidelink (SL):

SL refers to a wireless link between a terminal (eg, a user terminal (User Equipment, UE)) and a UE in New Radio (New Radio, NR)/Long Term Evolution (Long Term Evolution, LTE), and two UEs can pass a side chain The way realizes the direct data transmission between the two. The wireless link between the side links is also called the PC5 link and runs the PC5 protocol. In the 3rd Generation Partnership Project (3GPP) Release 17 (Release 17, Rel-17), it will be studied to use the UE to provide the relay service between the UE and the network (as shown in Figure 1), in which the provision of medium The UE serving the relay is called a relay UE (or a relay terminal, namely a relay UE), and the UE provided with a relay service is called a remote UE (or a remote terminal, namely a remote UE). The link between the relay UE and the remote UE is the PC5 link, running the side link interface protocol, and the link between the relay UE and the base station is the Uu link, running the Uu interface protocol.

The radio interface control plane of the side link has the PC5 Radio Resource Control (RRC) protocol, which runs at the Packet Data Convergence Protocol (PDCP) layer and the Radio Link Control (RLC) layer. Above the layer, the bottom is a media access control (Media Access Control, MAC) layer and a physical layer. The radio interface user plane of the side link includes the Service Data Adaptation Protocol (SDAP), PDCP, RLC, MAC and physical layers from top to bottom.

A sidelink synchronization signal (sidelink SSB, S-SSB) is provided between the sidelink radio interfaces, and the sidelink synchronization signal reuses the primary synchronization signal (Primary Synchronisation Signal, PSS) and the secondary synchronization signal (Secondary Synchronisation Signal) of the Uu interface , SSS) signal, and provide a 56-bit (bit) side-link master information block (master information block, MIB) signal at the same time. The 56bit information includes:

(1) Direct frame number (DFN), side link radio frame number;

(2) Time Division Duplexing (TDD) configuration (configuration): sidelink time division uplink and downlink configuration, used to indicate uplink and downlink time slot configuration and available time slots for side link transmission;

(3) slot number (slot number): used to indicate the sequence number of the transmission time slot of the current S-MIB, and the remote UE can use this as a reference to determine the sequence number of the subsequent time slot;

(4) Cell coverage indicator (In coverage indicator): used to indicate whether the UE broadcasting the S-MIB is within the coverage of the wireless cell.

(5) Reserved bit: 2bit.

(6) Cyclic Redundancy Check (CRC) bit: 24 bits.

In the corresponding LTE device-to-device (Device-to-Device, D2D) technology, S-MIB information is also defined, including fields similar to the above.

2. Access control of Uu port:

There are the following indications available for access control indications:

(1) cellBarred: This indication is located in the MIB information, and is used to indicate whether the cell is barred from accessing.

(2) cellReservedForOperatorUse: This indicator is located in the System Information Block (SIB) 1 message, and is used for NPN networks (Stand-alone Non- Public Network, SNPN) indicates whether the current cell is reserved for the operator to use.

(3) cellReservedForOtherUse: This indication is located in the SIB1 message and is applicable to all PLMN/non-public networks (Non-public Network, NPN), and is used to indicate whether the current cell is reserved. When the cell indicates that it is reserved, Ordinary UEs cannot access this cell.

(4) cellReservedForFutureUse: This indication is located in the SIB1 message, applicable to all PLMNs/NPNs, and used to indicate whether the current cell is reserved. When the cell is indicated as reserved, ordinary UEs cannot access the cell.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specified order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first", "second" distinguishes Usually it is a class, and the number of objects is not limited. For example, the first object may be one or multiple. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

It is worth noting that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE)/LTE-Advanced (LTE-Advanced, LTE-A) systems, and can also be used in other wireless communication systems, such as code division Multiple Access (Code Division Multiple Access, CDMA), Time Division Multiple Access (Time Division Multiple Access, TDMA), Frequency Division Multiple Access (Frequency Division Multiple Access, FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access, OFDMA) , Single-carrier Frequency-Division Multiple Access (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies. However, the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in most of the description below, although these techniques are also applicable to applications other than NR system applications, such as 6th generation ( 6th ^Generation , 6G) communication system.

FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied. The wireless communication system includes a remote terminal 13, a relay terminal 12, and a network side device 11. The remote terminal 13 and the relay terminal 12 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a For notebook computers, personal digital assistants (Personal Digital Assistant, PDA), palmtop computers, netbooks, ultra-mobile personal computers (ultra-mobile personal computer, UMPC), mobile Internet devices (Mobile Internet Device, MID), wearable devices ( Wearable Device) or Vehicle Equipment (VUE), Pedestrian Terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, headphones, glasses, etc. It should be noted that the embodiments of the present application do not limit the specific types of the remote terminal 13 and the relay terminal 12 . The network-side device 11 may be a base station or a core network, where the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service set (BasicServiceSet, BSS), Extended Service Set (Extended ServiceSet, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Transmitting Receiving Point Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to the specified technical vocabulary. It should be noted that in the embodiment of this application, only the base station in the NR system is used. For example, but the specific type of the base station is not limited.

The access control method and device provided by the embodiments of the present application will be described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to FIG. 2 , an embodiment of the present application provides an access control method, and the specific steps include: step 201 and step 202 .

Step 201: The relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink;

Step 202: The relay terminal performs access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link.

In this embodiment of the present application, the access control indication information may include one of the following:

(1) first information, indicating that the relay terminal allows the remote terminal to access the network through the relay terminal;

(2) Second information, indicating that the relay terminal does not allow the remote terminal to access the network through the relay terminal.

In this embodiment of the present application, the access control behavior of the side link may include one of the following:

(1) The first behavior, indicating that the relay terminal provides an access network service for the remote terminal through the relay terminal;

(2) The second behavior, indicating that the relay terminal does not provide services for the remote terminal to access the network through the relay terminal.

Optionally, the second behavior may include one or more of the following combinations:

(1) The relay terminal sends third information, where the third information indicates that the remote terminal is not allowed to access the network through the relay terminal;

(2) The relay terminal does not respond to the first request, and the first request is for the remote terminal to request to access the network through the relay terminal;

(3) The relay terminal sends fourth information, where the fourth information indicates that the relay terminal rejects the first request;

Optionally, the fourth information may include: the reason why the relay terminal rejects the first request.

(4) the relay terminal stops broadcasting the application code indicating the relay service capability;

The application code may be preconfigured by the network, and the remote terminal may determine whether the relay terminal has the capability of providing relay services to the network according to the application code broadcast by the relay terminal.

(5) The relay terminal sends fifth information, where the fifth information represents delaying the remote terminal's access to the network through the relay terminal.

Optionally, the fifth information may include: a first time period, where the first time period represents a length of time for delaying the remote terminal's access to the network through the relay terminal.

It can be understood that, the first time period is not specifically limited in the embodiments of the present application.

In some embodiments of the present application, step 202 may include: the relay terminal receives the system message of the serving cell; the relay terminal determines the access control indication information of the side link according to the system message of the serving cell and/or sidelink access control behavior.

In other embodiments of the present application, step 202 may include: receiving sixth information; configuring, according to the sixth information, the access control indication information of the sidelink and/or the access control behavior of the sidelink .

For example, the sixth information may be RRC signaling, but is not limited thereto.

Optionally, the sixth information may indicate at least one of the following:

(1) Before the relay terminal receives the seventh information, the relay terminal is not allowed to provide the service of accessing the network for the remote terminal, wherein the seventh information indicates that the relay terminal is allowed to be the remote terminal The end terminal provides the service of accessing the network;

(2) The relay terminal is not allowed to provide the remote terminal with the service of accessing the network within the second time period.

It can be understood that, the second time period is not specifically limited in this embodiment of the present application.

In some embodiments of the present application, step 201 may include: acquiring, by the relay terminal, eighth information, where the eighth information indicates a network congestion condition; and, according to the eighth information, the relay terminal determines the side-by-side The access control indication information of the link and/or the access control behavior of the side link.

For example, the relay terminal obtains the eighth information through the Uu interface, that is, the relay terminal can determine whether to allow the new UE to access the network through the relay terminal by monitoring the congestion status of Uu.

Optionally, the eighth information may include one or more of the following:

(1) The amount of uplink data waiting to be sent to the serving base station;

(2) The waiting time of uplink waiting for data sent to the serving base station;

(3) The amount of data waiting to be sent to the remote terminal in the downlink;

(4) Downlink waiting time for data sent to the remote end.

In this embodiment of the present application, the relay terminal may perform access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link determined by the relay terminal, so that the relay terminal is the remote terminal When providing relay transmission services with network side devices, network admission control can be effectively performed to avoid aggravating network congestion or increasing signaling overhead.

Referring to FIG. 3 , an embodiment of the present application provides an access control method, and the specific steps include: step 301 and step 302 .

Step 301: the remote terminal acquires information related to the access control behavior of the side link of the relay terminal;

Step 302: The remote terminal determines, according to the information, to initiate an access request to access the network through the relay terminal or not to initiate an access request to access the network through the relay terminal.

In this embodiment of the present application, the remote terminal determines not to initiate an access request for accessing the network through the relay terminal according to the information, including one of the following:

(1) If the remote terminal receives third information, the third information indicates that the remote terminal is not allowed to access the network through the relay terminal, and the remote terminal is within the third time period Do not initiate an access request for accessing the network through the relay terminal;

(2) If the remote terminal receives fourth information, the fourth information indicates that the relay terminal rejects the first request, and the first request is used by the remote terminal to request the relay terminal to receive the request through the relay terminal. access the network, the remote terminal does not initiate an access request for accessing the network through the relay terminal within the fourth time period;

(3) If the remote terminal does not monitor the application code indicating the relay service capability sent by the relay terminal, the remote terminal does not initiate an access request through the relay terminal.

In the embodiment of the present application, the method further includes:

Within the third time period, the remote terminal ignores the third information, and initiates an access request for accessing the network through the relay terminal for a specific service.

It can be understood that, the third time period is not specifically limited in the embodiments of the present application.

The specific service may be an emergency service or a public safety service, that is, the remote terminal can initiate an emergency service or a public safety service through the relay UE, ignoring the side link received from the relay UE and not allowed to pass through. Relays the indication of UE access to the network.

In the embodiment of the present application, the remote terminal determines not to initiate an access request for accessing the network through the relay terminal according to the access control behavior of the side link, including:

If the remote end receives fifth information, the fifth information indicates to delay the remote terminal's access to the network through the relay terminal, and the remote terminal will initiate the transmission of the network through the relay terminal after the delay time expires. Relay the access request of the terminal to access the network.

In the embodiment of the present application, the access of the remote terminal to the network is controlled by the relay terminal according to the access control indication information and/or the access control behavior of the side link, so that the relay terminal is the remote terminal and the network side device. When relay transmission services are provided between them, network admission control can be effectively performed to avoid aggravating network congestion or increasing signaling overhead.

Referring to FIG. 4 , an embodiment of the present application provides an access control method, and specific steps include: step 401 .

Step 401: The network side device sends sixth information to the relay terminal, where the sixth information is used to configure the access control indication information of the sidelink and/or the access control behavior of the sidelink.

For example, the sixth information may be RRC signaling, but is not limited thereto.

Optionally, the sixth information may indicate one of the following:

(1) Before the relay terminal receives the seventh information, the relay terminal is not allowed to provide the service of accessing the network for the remote terminal, wherein the seventh information indicates that the relay terminal is allowed to be the remote terminal The end terminal provides the service of accessing the network;

(2) The relay terminal is not allowed to provide the remote terminal with the service of accessing the network within the second time period.

In this embodiment of the present application, the access control indication information may include one of the following:

(1) first information, indicating that the relay terminal allows the remote terminal to access the network through the relay terminal;

(2) Second information, indicating that the relay terminal does not allow the remote terminal to access the network through the relay terminal.

In this embodiment of the present application, the access control behavior of the side link may include one of the following:

(1) The first behavior, indicating that the relay terminal provides an access network service for the remote terminal through the relay terminal;

(2) The second behavior, indicating that the relay terminal does not provide services for the remote terminal to access the network through the relay terminal.

Optionally, the second behavior may include one or more of the following combinations:

(1) The relay terminal sends third information, where the third information indicates that the remote terminal is not allowed to access the network through the relay terminal;

(2) The relay terminal does not respond to the first request, and the first request is for the remote terminal to request to access the network through the relay terminal;

(3) The relay terminal sends fourth information, where the fourth information indicates that the relay terminal rejects the first request;

Optionally, the fourth information may include: the reason why the relay terminal rejects the first request.

(4) the relay terminal stops broadcasting the application code indicating the relay service capability;

(5) The relay terminal sends fifth information, where the fifth information represents delaying the remote terminal's access to the network through the relay terminal.

Optionally, the fifth information may include: a first time period, where the first time period represents a length of time for delaying the remote terminal's access to the network through the relay terminal.

In this embodiment of the present application, the network side device may configure the access control indication information of the relay terminal and/or the access control behavior of the sidelink, and the relay terminal may configure the access control indication information and/or the sidelink The access control behavior is to control the access of the remote terminal, so that when the relay terminal provides the relay transmission service between the remote terminal and the network side device, the network admission control can be effectively carried out to avoid aggravating network congestion or Increase signaling overhead.

The embodiments of the present application will be described below with reference to Embodiments 1 to 5.

Embodiment 1: Access control in side link.

When the relay UE determines that the sidelink no longer allows the new UE (or referred to as the remote UE) to access the network through the relay UE, the relay UE may perform access control in one or more of the following ways:

Mode 1: The sidelink master information block (SL-MIB) message includes: a sidelink access control indicator bit, when the indicator bit is set to "true", it means that the relay UE does not accept the new UE through the relay The UE accesses the network.

For example, one or two reserved bits in the SL-MIB may be redefined as side link access control indication bits.

Mode 2: When the relay UE receives a request from a new UE to access the network through the relay UE, it does not respond to or rejects the access request of the UE;

Optionally, the relay UE may send a reason for denying access to the new UE;

For example, the relay UE may send the cause to the new UE through PC5 RRC signaling, MAC Control Element (Control Element, CE) or Physical Sidelink Control Channel (Physical Sidelink Control Channel, PSCCH).

Mode 3: The relay UE stops broadcasting transmission of the application code (application code) indicating the relay service capability.

Since the new UE needs to use the application code to determine whether the relay UE can provide the relay service, when the new UE cannot receive the application code sent by the relay UE, it will not access the network through the relay UE;

Manner 4: The relay UE may send a notification message to the new UE through PSCCH, MAC CE or PC5 RRC signaling to notify the delay of the new UE accessing the network through the relay UE.

Optionally, the notification message may indicate a time period for delaying the access of the new UE to the network through the relay UE, and during the time period, the new UE is prohibited from accessing the network through the relay UE.

Embodiment 2: The new UE (or referred to as the remote UE) accesses the network through the relay UE.

(1) When the new UE receives an indication from the sidelink message that it cannot access the network through the sidelink of the relay UE, the new UE cannot pass through the relay within a predetermined time (for example, n seconds). The UE initiates a request to access the network.

It can be understood that, the predetermined time period may be configured by the network side or agreed by a protocol.

In particular, when the new UE needs to initiate emergency services or public safety services, the indication received from the sidelink of the relay UE that the access to the network through the relay UE is not allowed can be ignored, that is, the new UE can pass The relay UE initiates emergency service or public safety service.

(2) During the process of the new UE accessing the network through the side link of the relay UE, when the new UE receives an indication of refusing access and/or a reason for refusing access, the new UE will receive an access refusal indication within a predetermined time. The request to access the network cannot be initiated by the relay UE.

(3) When the new UE cannot monitor the application code sent by the relay UE, the new UE cannot initiate a request to access the network through the relay UE.

(4) After the new UE sends a request to access the network to the relay UE and receives a notification message of delayed access, the new UE can access the network through the relay UE after the delay time indicated by the notification message expires. .

It can be understood that the delay time can be configured on the network side or agreed in a protocol, or carried in the notification message.

Embodiment 3: The relay UE determines the access control of the side link according to the system message of the serving cell.

The relay UE monitors the MIB, SIB and other messages of the serving cell to determine whether to allow the new UE to access the network through the relay UE.

The relay UE shall refrain from providing access services to new UEs in the case of one or more of the following combinations of conditions:

(1) When the relay UE monitors that cellBarred in the MIB from the serving cell is set to "true";

(2) When the relay UE monitors that cellReservedForOtherUse or cellReservedForFutureUse from the serving cell SIB1 message is set to "true";

(3) When the relay UE detects that the cellReservedForOperatorUse corresponding to a certain PLMN in the SIB1 message from the serving cell is set to "true", and the PLMN is a network that is currently providing access services for the relay UE;

(4) Introduce a special access control indication bit in the system message (such as SIB1) of the Uu interface to indicate whether the relay UE is allowed to provide the relay service for the new UE to access the network, and when the service cell is sent from the serving cell The Access Control Indication bit is set to "true".

Embodiment 4: The network configures the sidelink access control of the relay UE through dedicated signaling.

In this embodiment, in order to control the service load of the UE accessing the network through a relay UE, the network can configure whether to allow a relay UE to provide access to the new UE through the side link through RRC dedicated signaling. Network relay service.

The dedicated signaling may prohibit a relay UE from providing a relay service for accessing the network until another signaling informs the relay UE that it may provide a new UE with a relay service for accessing the network;

or

The dedicated signaling may notify the relay UE of a time period during which the relay service of accessing to the network is prohibited, and after the time period ends, the relay UE may continue to provide the relay service of accessing the network.

It can be understood that, the time period may be configured on the network side or stipulated by a protocol.

Embodiment 5: The relay UE determines the sidelink access control according to the Uu or the congestion status of the sidelink.

The relay UE monitors the congestion status of the Uu interface to determine whether to allow the new UE to access the network through the relay UE.

For example, the relay UE may prohibit/reject the new UE from accessing the network through the relay UE under the combination of one or more of the following conditions;

(1) The amount of data waiting to be sent to the serving base station in the uplink exceeds a preset value;

(2) The waiting time of uplink waiting for the data sent to the serving base station exceeds a preset value;

(3) The amount of data waiting to be sent to the remote UE in the downlink exceeds a preset value;

(4) The waiting time delay of downlink waiting for data to be sent to the remote UE exceeds a preset value.

It can be understood that, the preset value may be configured on the network side or agreed in a protocol.

Referring to FIG. 5 , an embodiment of the present application provides an access control apparatus, which is applied to a relay terminal, and the apparatus 500 includes:

A determination module 501, configured to determine the access control indication information of the sidelink and/or the access control behavior of the sidelink;

The control module 502 is configured to perform access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link.

In this embodiment of the present application, the access control indication information includes:

first information, indicating that the relay terminal allows the remote terminal to access the network through the relay terminal;

or,

The second information indicates that the relay terminal does not allow the remote terminal to access the network through the relay terminal.

In this embodiment of the present application, the access control behavior of the side link includes:

The first behavior means that the relay terminal provides access network services for the remote terminal through the relay terminal;

or,

The second behavior means that the relay terminal does not provide services for the remote terminal to access the network through the relay terminal.

In this embodiment of the present application, the second behavior includes one or more of the following combinations:

sending, by the relay terminal, third information, where the third information indicates that the remote terminal is not allowed to access the network through the relay terminal;

the relay terminal does not respond to the first request, and the first request is for the remote terminal to request to access the network through the relay terminal;

sending, by the relay terminal, fourth information, where the fourth information indicates that the relay terminal rejects the first request;

The relay terminal stops broadcasting the application code indicating the relay service capability;

The relay terminal sends fifth information, where the fifth information represents delaying the remote terminal's access to the network through the relay terminal.

In the embodiment of the present application, the fourth information includes: the reason why the relay terminal rejects the first request.

In this embodiment of the present application, the fifth information includes: a first time period, where the first time period represents a length of time for delaying the remote terminal's access to the network through the relay terminal.

In the embodiment of the present application, the relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink, including:

receiving, by the relay terminal, a system message of the serving cell;

The relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink according to the system message of the serving cell.

In this embodiment of the present application, the determining module 501 is further configured to: receive sixth information; and configure, according to the sixth information, the access control indication information of the sidelink and/or the access control behavior of the sidelink.

In this embodiment of the present application, the sixth information indicates:

Before the relay terminal receives the seventh information, the relay terminal is not allowed to provide the remote terminal with access to the network service, where the seventh information indicates that the relay terminal is allowed to provide the remote terminal with services access to network services;

or,

The relay terminal is not allowed to provide the remote terminal with the service of accessing the network within the second time period.

In this embodiment of the present application, the determining module 501 is further configured to: acquire, by the relay terminal, eighth information, where the eighth information indicates a network congestion condition;

The relay terminal determines, according to the eighth information, the access control indication information of the sidelink and/or the access control behavior of the sidelink.

In this embodiment of the present application, the eighth information includes one or more of the following:

The amount of uplink data waiting to be sent to the serving base station;

The waiting time of uplink waiting for data sent to the serving base station;

The amount of downlink data waiting to be sent to the remote terminal;

The downlink waiting time for data to be sent to the remote end.

The access control apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not repeated here.

Referring to FIG. 6 , an embodiment of the present application provides an access control apparatus, which is applied to a remote terminal. The apparatus 600 includes:

an obtaining module 601, configured to obtain information related to the access control behavior of the side link of the relay terminal;

The determining module 602 is configured to determine, according to the access control behavior of the side link, to initiate an access request to access the network through the relay terminal or not to initiate an access request to access the network through the relay terminal.

In this embodiment of the present application, the determining module 602 is further configured to: if the remote terminal receives third information, the third information indicates that the relay terminal does not allow the remote terminal to access through the relay terminal network, do not initiate an access request within the third time period;

or,

If the remote terminal receives the fourth information, the fourth information indicates that the relay terminal rejects the first request, and the first request is used for the remote terminal to request to access the network through the relay terminal, then do not initiate an access request through the relay terminal within the fourth time period;

or,

If the remote terminal does not monitor the application code indicating the relay service capability sent by the relay terminal, the access request is not initiated through the relay terminal.

In the embodiment of the present application, the apparatus 600 further includes: an initiating module, configured to, within the third time period, the remote terminal ignores the third information, and initiates access to a specific service through the relay terminal network access request.

In this embodiment of the present application, the determining module 602 is further configured to: if the remote end receives fifth information, the fifth information indicates to delay the remote terminal's access to the network through the relay terminal, then after the delay After the time expires, an access request for accessing the network through the relay terminal is initiated again.

The access control apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 3 , and achieve the same technical effect. To avoid repetition, details are not described here.

FIG. 7 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.

The terminal 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 and other components .

Those skilled in the art can understand that the terminal 700 may also include a power supply (such as a battery) for supplying power to various components, and the power supply may be logically connected to the processor 710 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions. The terminal structure shown in FIG. 7 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.

It should be understood that, in this embodiment of the present application, the input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042. camera) to process the image data of still pictures or videos. The display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes a touch panel 7071 and other input devices 7072 . The touch panel 7071 is also called a touch screen. The touch panel 7071 may include two parts, a touch detection device and a touch controller. Other input devices 7072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

In the embodiment of the present application, the radio frequency unit 701 receives the downlink data from the network side device, and then processes it to the processor 710; in addition, sends the uplink data to the network side device. Generally, the 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.

Memory 709 may be used to store software programs or instructions as well as various data. The memory 709 may mainly include a storage program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like. In addition, the memory 709 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. For example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.

The processor 710 may include one or more processing units; optionally, the processor 710 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, application programs or instructions, etc., Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 710.

The terminal provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 2 or FIG. 3 , and achieve the same technical effect, which is not repeated here to avoid repetition.

Referring to FIG. 8 , an embodiment of the present application provides an access control apparatus. The apparatus is applied to a network side device. The apparatus 800 includes:

The sending module 801 is configured to send sixth information to the relay terminal, where the sixth information is used to configure the access control indication information of the side link and/or the access control behavior of the side link.

Optionally, the sixth information may indicate one of the following:

(1) Before the relay terminal receives the seventh information, the relay terminal is not allowed to provide the service of accessing the network for the remote terminal, wherein the seventh information indicates that the relay terminal is allowed to be the remote terminal The end terminal provides the service of accessing the network;

(2) The relay terminal is not allowed to provide the remote terminal with the service of accessing the network within the second time period.

In this embodiment of the present application, the access control indication information may include one of the following:

(1) first information, indicating that the relay terminal allows the remote terminal to access the network through the relay terminal;

(2) Second information, indicating that the relay terminal does not allow the remote terminal to access the network through the relay terminal.

In this embodiment of the present application, the access control behavior of the side link may include one of the following:

(1) The first behavior, indicating that the relay terminal provides an access network service for the remote terminal through the relay terminal;

(2) The second behavior, indicating that the relay terminal does not provide services for the remote terminal to access the network through the relay terminal.

Optionally, the second behavior may include one or more of the following combinations:

(1) The relay terminal sends third information, where the third information indicates that the remote terminal is not allowed to access the network through the relay terminal;

(2) The relay terminal does not respond to the first request, and the first request is for the remote terminal to request to access the network through the relay terminal;

(3) The relay terminal sends fourth information, where the fourth information indicates that the relay terminal rejects the first request;

Optionally, the fourth information may include: the reason why the relay terminal rejects the first request.

(4) the relay terminal stops broadcasting the application code indicating the relay service capability;

(5) The relay terminal sends fifth information, where the fifth information represents delaying the remote terminal's access to the network through the relay terminal.

Optionally, the fifth information may include: a first time period, where the first time period represents a length of time for delaying the remote terminal's access to the network through the relay terminal.

The access control apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 4 , and achieve the same technical effect. To avoid repetition, details are not repeated here.

The embodiment of the present application also provides a network side device. As shown in FIG. 9 , the network-side device 900 includes: an antenna 901 , a radio frequency device 902 , and a baseband device 903 . The antenna 901 is connected to the radio frequency device 902 . In the uplink direction, the radio frequency device 902 receives information through the antenna 901, and sends the received information to the baseband device 903 for processing. In the downlink direction, the baseband device 903 processes the information to be sent and sends it to the radio frequency device 902 , and the radio frequency device 902 processes the received information and sends it out through the antenna 901 .

The above-mentioned frequency band processing apparatus may be located in the baseband apparatus 903 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 903 , where the baseband apparatus 903 includes a processor 804 and a memory 905 .

The baseband device 803 may include, for example, at least one baseband board on which multiple chips are arranged. As shown in FIG. 9 , one of the chips is, for example, the processor 904, which is connected to the memory 905 to call the program in the memory 905 to execute The network-side device shown in the above method embodiments operates.

The baseband device 903 may further include a network interface 906 for exchanging information with the radio frequency device 902, and the interface is, for example, a common public radio interface (CPRI for short).

Specifically, the network-side device in the embodiment of the present invention further includes: instructions or programs stored in the memory 905 and executable on the processor 904, and the processor 904 invokes the instructions or programs in the memory 905 to execute the modules shown in FIG. 8 . The implementation method and achieve the same technical effect, in order to avoid repetition, it is not repeated here.

An embodiment of the present application further provides a program product, where the program product is stored in a non-volatile storage medium, and the program product is executed by at least one processor to implement the program described in FIG. 2 or FIG. 3 or FIG. 4 . The steps of the method of processing.

An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the above-mentioned method embodiment shown in FIG. 2 or FIG. 3 or FIG. 4 is implemented and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.

Wherein, the processor is the processor in the terminal described in the foregoing embodiment. The readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.

An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above-mentioned FIG. 2 Each process of the method embodiment is shown, and the same technical effect can be achieved. To avoid repetition, details are not repeated here.

It should be understood that the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element. In addition, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in the reverse order depending on the functions involved. To perform functions, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to some examples may be combined in other examples.

From the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course hardware can also be used, but in many cases the former is better implementation. Based on this understanding, the technical solutions of the present application can be embodied in the form of software products in essence or the parts that make contributions to the prior art, and the computer software products are stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of this application.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims (28)

1. An access control method, comprising: The relay terminal determines the access control indication information of the side link and/or the access control behavior of the side link; The relay terminal performs access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link. 2. The method according to claim 1, wherein the access control indication information comprises: first information, indicating that the relay terminal allows the remote terminal to access the network through the relay terminal; or, The second information indicates that the relay terminal does not allow the remote terminal to access the network through the relay terminal. 3. The method according to claim 1, wherein the access control behavior of the side link comprises: The first behavior means that the relay terminal provides access network services for the remote terminal through the relay terminal; or, The second behavior means that the relay terminal does not provide services for the remote terminal to access the network through the relay terminal. 4. The method according to claim 3, wherein the second behavior comprises one or more of the following combinations: sending, by the relay terminal, third information, where the third information indicates that the remote terminal is not allowed to access the network through the relay terminal; the relay terminal does not respond to the first request, and the first request is for the remote terminal to request to access the network through the relay terminal; sending, by the relay terminal, fourth information, where the fourth information indicates that the relay terminal rejects the first request; The relay terminal stops broadcasting the application code indicating the relay service capability; The relay terminal sends fifth information, where the fifth information represents delaying the remote terminal's access to the network through the relay terminal. 5 . The method according to claim 4 , wherein the fourth information includes: the reason why the relay terminal rejects the first request. 6 . 6 . The method according to claim 4 , wherein the fifth information includes: a first time period, and the first time period represents delaying the remote terminal from accessing the network through the relay terminal. 7 . length of time. 7. The method according to claim 1, 2 or 3, wherein the relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink, comprising: receiving, by the relay terminal, a system message of the serving cell; The relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink according to the system message of the serving cell. 8. The method according to claim 1, 2 or 3, wherein the relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink, comprising: receive sixth information; According to the sixth information, the access control indication information of the side link and/or the access control behavior of the side link is configured. 9. The method according to claim 8, wherein the sixth information indicates: Before the relay terminal receives the seventh information, the relay terminal is not allowed to provide the remote terminal with access to the network service, where the seventh information indicates that the relay terminal is allowed to provide the remote terminal with services access to network services; or, The relay terminal is not allowed to provide the remote terminal with the service of accessing the network within the second time period. 10. The method according to claim 1, 2 or 3, wherein the relay terminal determines the access control indication information of the sidelink and/or the access control behavior of the sidelink, comprising: obtaining, by the relay terminal, eighth information, where the eighth information indicates a network congestion condition; The relay terminal determines, according to the eighth information, the access control indication information of the sidelink and/or the access control behavior of the sidelink. 11. The method according to claim 10, wherein the eighth information comprises one or more of the following: The amount of uplink data waiting to be sent to the serving base station; The waiting time of uplink waiting for data sent to the serving base station; The amount of downlink data waiting to be sent to the remote terminal; The downlink waiting time for data to be sent to the remote end. 12. An access control method, comprising: The remote terminal acquires information related to the access control behavior of the side link of the relay terminal; The remote terminal determines, according to the information, to initiate an access request to access the network through the relay terminal or not to initiate an access request to access the network through the relay terminal. 13. The method of claim 12, wherein The remote terminal determines not to initiate an access request for accessing the network through the relay terminal according to the information, including: If the remote terminal receives third information, the third information indicates that the relay terminal does not allow the remote terminal to access the network through the relay terminal, and the remote terminal at the third time Do not initiate an access request for accessing the network through the relay terminal within the segment; or, If the remote terminal receives fourth information, the fourth information indicates that the relay terminal rejects the first request, and the first request is for the remote terminal to request to access the network through the relay terminal , the remote terminal does not initiate an access request for accessing the network through the relay terminal within the fourth time period; or, If the remote terminal does not monitor the application code indicating the relay service capability sent by the relay terminal, the remote terminal does not initiate an access request for accessing the network through the relay terminal. 14. The method of claim 13, wherein the method further comprises: Within the third time period, the remote terminal ignores the third information and initiates an access request for accessing the network through the relay terminal for a specific service. The method according to claim 12, wherein, according to the information, the remote terminal determines to initiate an access request for accessing the network through the relay terminal, comprising: If the remote end receives fifth information, the fifth information indicates to delay the remote terminal's access to the network through the relay terminal, and the remote terminal will initiate the transmission of the network through the relay terminal after the delay time expires. Relay the access request of the terminal to access the network. 16. An access control method, comprising: The network side device sends sixth information to the relay terminal, where the sixth information is used to configure the access control indication information of the side link and/or the access control behavior of the side link. 17. The method of claim 16, wherein the sixth information indicates: Before the relay terminal receives the seventh information, the relay terminal is not allowed to provide the remote terminal with access to the network service, where the seventh information indicates that the relay terminal is allowed to provide the remote terminal with services access to network services; or, The relay terminal is not allowed to provide the remote terminal with the service of accessing the network within the second time period. 18. The method according to claim 16, wherein the access control indication information comprises: the first information, indicating that the relay terminal allows the remote terminal to access the network through the relay terminal; or, The second information indicates that the relay terminal does not allow the remote terminal to access the network through the relay terminal. 19. The method according to claim 16, wherein the access control behavior of the side link comprises: The first behavior means that the relay terminal provides a remote terminal with an access network service through the relay terminal; or, The second behavior means that the relay terminal does not provide services for the remote terminal to access the network through the relay terminal. 20. The method of claim 19, wherein the second behavior comprises a combination of one or more of the following: sending, by the relay terminal, third information, where the third information indicates that the remote terminal is not allowed to access the network through the relay terminal; the relay terminal does not respond to the first request, and the first request is for the remote terminal to request to access the network through the relay terminal; sending, by the relay terminal, fourth information, where the fourth information indicates that the relay terminal rejects the first request; The relay terminal stops broadcasting the application code indicating the relay service capability; The relay terminal sends fifth information, where the fifth information represents delaying the remote terminal's access to the network through the relay terminal. 21. The method according to claim 20, wherein the fourth information includes: the reason why the relay terminal rejects the first request. 22. The method according to claim 20, wherein the fifth information comprises: a first time period, wherein the first time period represents a delay in the remote terminal accessing the network through the relay terminal length of time. 23. An access control device, applied to a relay terminal, characterized by comprising: a determining module, configured to determine the access control indication information of the side link and/or the access control behavior of the side link; A control module, configured to perform access control on the remote terminal according to the access control indication information and/or the access control behavior of the side link. 24. An access control device, applied to a remote terminal, characterized by comprising: an acquisition module, configured to acquire information related to the access control behavior of the side link of the relay terminal; A determining module, configured to determine, according to the information, to initiate an access request for accessing the network through the relay terminal or not to initiate an access request for accessing the network through the relay terminal. 25. A terminal, characterized in that it comprises: a processor, a memory and a program stored on the memory and executable on the processor, the program being executed by the processor to achieve the method as claimed in claim 1 The steps of any one of to 15. 26. An access control apparatus, applied to network side equipment, characterized in that it comprises: A sending module, configured to send sixth information to the relay terminal, where the sixth information is used to configure the access control indication information of the sidelink and/or the access control behavior of the sidelink. 27. A network-side device, comprising: a processor, a memory, and a program stored on the memory and executable on the processor, the program being executed by the processor to achieve the The steps of the method of any one of claims 16 to 22. 28. A readable storage medium, wherein a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the method according to any one of claims 1 to 22 is implemented A step of.

Images