CN115915259A - Relay configuration method, device, equipment and readable storage medium - Google Patents
Relay configuration method, device, equipment and readable storage medium Download PDFInfo
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Abstract
The embodiment of the application provides a configuration method, a device, equipment and a readable storage medium of a relay, wherein the method comprises the following steps: the communication equipment determines the quality of service of the PC5RLC QoS wireless link control; wherein the communication device comprises one or more of: a remote terminal, a relay terminal and a wireless access network device.
Description
Technical Field
The embodiment of the application relates to the technical field of communication, in particular to a relay configuration method, device, equipment and a readable storage medium.
Background
Referring to fig. 1, a schematic diagram of a current third Generation Partnership project (3 gpp) sidelink relay (relay) is shown.
In the related art, a mapping relationship between Radio Bearers (RBs) of an uplink and downlink end-to-end remote terminal (remote UE) and Uu Data Radio Bearers (DRBs) in fig. 1 has been defined as N to 1, that is, multiple remote UE RBs can be mapped to the same Uu DRB, but the same remote UE RB cannot be mapped to multiple Uu DRBs at the same time.
Since a Radio Link Control (RLC) channel (channel) between the remote UE and the relay UE uses a PC5 protocol, in order to guarantee a Quality of Service (QoS) requirement of the PC5 Link, a network is required to configure the PC5RLC QoS.
Disclosure of Invention
Embodiments of the present application provide a method, an apparatus, a device, and a readable storage medium for configuring a relay, so as to solve a problem how to configure a PC5RLC QoS.
In a first aspect, a method for configuring a relay is provided, including:
the communication device decides the PC5RLC QoS;
wherein the communication device comprises one or more of: a remote terminal, a relay terminal and a wireless access network device.
Optionally, the communication device comprises: in the case of a radio access network device, the step of the communication device determining the RLC QoS of the PC5 includes:
the wireless access network equipment determines the PC5RLC QoS according to the first information;
wherein the first information comprises one or more of:
uu data radio bearer DRB QoS;
end-to-end radio bearer RB QoS;
end-to-end QoS flows QoS and QoS flows to RB mapping.
Optionally, the method further comprises:
the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal, and the information of the PC5RLC QoS is used for the relay terminal to control the QoS of a PC5 link;
alternatively, the first and second electrodes may be,
and the radio access network equipment sends the information of the PC5RLC QoS to a remote terminal, wherein the remote terminal is used for sending the PQI corresponding to the PC5RLC QoS to a relay terminal, or sending the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI to the relay terminal.
Optionally, the communication device comprises: in the case of a remote terminal, the method further includes:
the remote terminal receives second information from the wireless access network equipment;
wherein the second information comprises one or more of:
5QI for Uu DRB QoS;
QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
5QI for end-to-end QoS;
QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
mapping of QoS flows to end-to-end RBs.
Optionally, the method further comprises:
and the remote terminal determines PQI corresponding to PC5RLC QoS according to the second information, or determines PQI corresponding to PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
Optionally, the method further comprises:
and the remote terminal sends the PQI corresponding to the PC5RLC QoS, or the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI to a relay terminal.
Optionally, the communication device includes: in the case of a relay terminal, the method further includes:
the relay terminal receives third information from the wireless access network equipment;
wherein the third information comprises one or more of:
5G quality of service indicator 5QI for Uu DRB QoS;
QoS characteristics and/or parameters corresponding to 5QI of Uu DRB QoS;
5QI for end-to-end QoS;
QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
mapping of QoS flows to end-to-end RBs.
Optionally, the method further comprises:
and the relay terminal determines PQI corresponding to PC5RLC QoS according to the third information, or determines PQI corresponding to PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
Optionally, the information of the PC5RLC QoS includes one or more of:
PC5 quality of service indication PQI;
identification information of the remote terminal;
remote terminal RB identity information;
QoS characteristics and/or parameters associated with the PQI;
5QI corresponding to Uu DRB QoS;
mapping relation of 5QI corresponding to PQI and Uu DRB QoS.
Optionally, the step of sending, by the radio access network device, the information of the PC5RLC QoS to the relay terminal includes:
and the radio access network equipment sends the information of the PC5RLC QoS to a relay terminal through RRC signaling or a self-adaptive layer.
Optionally, the step of sending, by the radio access network device through an adaptation layer, the information of the PC5RLC QoS to a relay terminal includes:
the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal through a packet header of a self-adaptive layer;
alternatively, the first and second electrodes may be,
and the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal through a self-adaptive control protocol data unit.
Optionally, the packet header of the adaptation layer or the adaptation control protocol data unit includes one or more of the following items:
a remote terminal identifier;
a remote terminal RB mark;
PQI determined by the radio access network device.
Optionally, in a case that the radio access network device sends the information of the PC5RLC QoS to a relay terminal, the method further includes:
the wireless access network equipment sends fourth information to the relay terminal through a packet header of a self-adaptive layer;
wherein the fourth information indicates: whether the mapping relation of the uplink transmission is adjusted to be consistent with the mapping relation of the downlink transmission or not;
the mapping relationship of the uplink transmission refers to: mapping relation between data of a remote terminal RB and Uu DRB sent by the relay terminal; or, the mapping relationship between the data of the remote terminal RB set sent by the relay terminal and the Uu DRB;
the mapping relationship of the downlink transmission refers to: mapping relation between the data of the remote terminal RB received by the relay terminal and the Uu DRB; or, the relay terminal receives a mapping relationship between data of the remote terminal RB set and the Uu DRB.
Optionally, the method further comprises:
the radio access network equipment adjusts the mapping relation between the data of the remote terminal RB and the Uu DRB, or adjusts the mapping relation between the data of the remote terminal RB set and the Uu DRB;
and the radio access network equipment sends the data of the RB (radio bearer) to the relay terminal or sends the data of the RB set to the relay terminal through the adjusted Uu DRB.
Optionally, the method further comprises:
the wireless access network equipment sends fifth information to the relay terminal;
wherein the fifth information includes: configuration information of remote terminal RB set.
Optionally, the fourth information is a 1-bit reflective QoS indicator.
Optionally, the header of the adaptation layer includes: in case of a remote terminal identity and a remote terminal RB identity,
the header of the adaptation layer is indicated by N bits: the far-end terminal identification and the far-endInformation related to end terminal RB identifiers, wherein one Uu DRB carries 2 of a plurality of terminals at most N Data of end-to-end RBs;
alternatively, the first and second electrodes may be,
the header of the adaptation layer is indicated by M + K bits: the related information of the remote terminal identification and the remote terminal RB identification, wherein one Uu DRB carries 2 of a plurality of terminals at most M Data of individual terminals, wherein a maximum of 2 is supported for each terminal K Data of end-to-end RBs;
wherein N, M and K are all more than or equal to 1.
Optionally, the method further comprises:
the wireless access network equipment sends sixth information to the relay terminal;
wherein the sixth information indicates one of:
the corresponding relation between the remote terminal identification and the remote terminal RB identification and the N bits;
and the corresponding relation between the remote terminal identification and the remote terminal RB identification and the M + K bits.
Optionally, the remote terminal identifier is a cell radio network temporary identifier allocated to the remote terminal by the radio access network device; or, the remote terminal RB identity is a signaling radio bearer identity or a data radio bearer identity.
Optionally, the communication device comprises: in the case of a remote terminal, the method further comprises:
the remote terminal sends seventh information to the relay terminal, wherein the seventh information comprises end-to-end data;
wherein, the relay terminal and the wireless access network device agree between: the seventh information is forwarded to the radio access network equipment through a specific RB established between the relay terminal and the radio access network equipment;
or, the seventh information is mapped to the same Uu RB as other end-to-end RB data through a specific mapping manner.
In a second aspect, a configuration apparatus for a relay is provided, and is applied to a communication device, and includes:
the first processing module is used for determining the RLC QoS of the PC 5;
wherein the communication device comprises one or more of: a remote terminal, a relay terminal and a wireless access network device.
In a third aspect, a communication device is provided, including: a processor, a memory and a program stored on the memory and executable on the processor, which program, when executed by the processor, carries out the steps of the method according to the first aspect.
In a fourth aspect, a readable storage medium is provided, on which a program is stored which, when being executed by a processor, carries out steps comprising the method according to the first aspect.
In the embodiment of the application, the PC5RLC QoS is configured through related equipment (such as a remote terminal, a relay terminal and radio access network equipment) on the radio access network side, so that the RLC QoS configuration is ensured, and the reliability of the system is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram of a sidelink relay;
FIG. 2 is a block diagram of a wireless communication system to which embodiments of the present application are applicable;
fig. 3 is a flowchart of a configuration method of a relay according to an embodiment of the present application;
fig. 4 is a schematic diagram of a network architecture constructed by a remote terminal, a relay terminal and a radio access network device in an embodiment of the present application;
fig. 5a and 5b are schematic diagrams of an ADAPT packet header provided in an embodiment of the present application;
fig. 6 is a schematic diagram of a configuration apparatus of a relay according to an embodiment of the present application;
fig. 7 is a schematic diagram of a communication device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.
In the embodiments of the present application, the words "exemplary" or "such as" are used herein to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "such as" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably in embodiments of the present application, and the described techniques may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes a New Radio (NR) system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications, such as 6th generation,6g communication systems.
Referring to fig. 2, a block diagram of a wireless communication system to which embodiments of the present application are applicable is shown. The wireless communication system includes a terminal 21, a terminal 22, and a network-side device 23. The terminal may also be referred to as a terminal Device or a User Equipment (UE), and the terminal may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (Wearable Device), a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), or a smart home (home Device with wireless communication function).
The network-side device 23 may be a Base station or a core network, wherein 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 (BSS), an Extended Service Set (ESS), a node B, an evolved node B (gNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receive Point (TRP), a radio access network node, or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, only the Base station in the NR system is taken as an example, but the specific type of the Base station is not limited.
In the related art, since the RLC channel (channel) between the remote UE and the relay UE uses the PC5 protocol, in order to guarantee the QoS requirement of the PC5 link, the network needs to configure the PC5 QoS; since the PC5RLC channel and remote UE RB are in one-to-one mapping relationship, an Access Stratum (AS) is required to configure the PC5RLC QoS, but the current protocol does not support the QoS configuration of the AS.
Referring to fig. 3, an embodiment of the present application provides a relay configuration method, which includes: step 301.
Step 301: the communication device decides PC5RLC QoS (radio link control quality of service);
wherein the communication device comprises one or more of: a remote terminal (remote UE), a Relay terminal (Relay UE), and a radio access network device, such as a 5G radio access network device.
Referring to fig. 4, pc5 refers to an interface between a remote terminal and a relay terminal.
In one embodiment of the present application, the communication device includes: in the case of a radio access network device, the step of the communication device determining the RLC QoS of the PC5 includes:
the wireless access network equipment determines the PC5RLC QoS according to the first information;
wherein the first information comprises one or more of:
(1)Uu DRB QoS；
referring to fig. 4, uu refers to an interface between the relay terminal and the radio access network device.
Optionally, the Uu DRB QoS may be decided by the radio access network device and guaranteed by the radio access network device to meet the Uu DRB QoS index and/or parameter.
(2) End-to-End RB QoS (End-to-End RB Qos);
referring to fig. 4, end-to-end refers to a remote terminal to radio access network device.
Alternatively, the end-to-end RB QoS may be determined by the radio access network equipment,
(3) End-to-end QoS flow (flow) QoS and QoS flow to RB mapping.
Alternatively, the end-to-end QoS flow QoS may be decided by the radio access network device.
In one embodiment of the present application, the method further comprises:
the radio access network equipment sends the information of the PC5RLC QoS to a relay terminal, wherein the information of the PC5RLC QoS is used for the relay terminal to control the QoS of a PC5 link, namely, if the information of the PC5RLC QoS is sent to the relay terminal, the relay terminal is responsible for further ensuring the QoS of the PC5 link after receiving the information of the PC5RLC QoS;
alternatively, the first and second electrodes may be,
the radio access network device sends the information of the PC5RLC QoS to a remote terminal, where the remote terminal is configured to send PQI corresponding to the PC5RLC QoS to a relay terminal, or send PQI corresponding to the PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI to the relay terminal, that is, if the information of the PC5RLC QoS is sent to the remote terminal, the remote terminal can send corresponding PQI and QoS characteristics and/or parameters corresponding to the PQI (optional) to the relay terminal through a PC5 message after receiving the information of the PC5RLC QoS, and the relay terminal further ensures QoS of a PC5 link.
In one embodiment of the present application, the communication device includes: in the case of a remote terminal, the method further includes:
the remote terminal receives second information from the wireless access network equipment;
wherein the second information comprises one or more of:
(1) 5G quality of service indicator for Uu DRB QoS (5G QoS identifier, 5QI);
(2) QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
(3) 5QI for end-to-end QoS;
(4) QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
(5) Mapping of QoS flows to end-to-end RBs.
In one embodiment of the present application, the method further comprises:
and the remote terminal determines PQI corresponding to PC5RLC QoS according to the second information, or determines PQI corresponding to PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
Alternatively, the second information may be Radio Resource Control (RRC) signaling.
In one embodiment of the present application, the method further comprises:
and the remote terminal sends the PQI corresponding to the PC5RLC QoS, or the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI to a relay terminal.
Optionally, after receiving the second information, the remote terminal determines the PQI and QoS characteristics and/or parameters corresponding to the PC5RLC QoS, and sends the PQI and QoS characteristics and/or parameters to the relay terminal through the PC5 message, so that the relay terminal further ensures the QoS of the PC5 link.
In one embodiment of the present application, the communication device includes: in the case of a relay terminal, the method further includes:
the relay terminal receives third information from the wireless access network equipment;
wherein the third information comprises one or more of:
(1) 5QI for Uu DRB QoS;
(2) QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
(3) 5QI for end-to-end QoS;
(4) QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
(5) Mapping of QoS flows to end-to-end RBs.
In one embodiment of the present application, the method further comprises:
and the relay terminal determines PQI corresponding to PC5RLC QoS according to the third information, or determines PQI corresponding to PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
Alternatively, the third information may be RRC signaling.
That is, after receiving the above information, the relay terminal determines the PQI and QoS characteristics and parameters corresponding to the PC5RLC QoS, and then further guarantees the QoS of the PC5 link by the relay UE in an embodiment of the present application, the information of the PC5RLC QoS includes one or more of the following:
(1) PC5 quality of service indication (PC 5 QoS Identifier, PQI);
(2) Identification information of the remote terminal;
(3) Remote terminal RB identity information;
(4) QoS characteristics and/or parameters associated with the PQI;
(5) 5G QoS indicator (5G QoS identifier, 5QI) corresponding to Uu DRB QoS;
(6) Mapping relation of 5QI corresponding to PQI and Uu DRB QoS.
In an embodiment of the present application, the step of sending, by the radio access network device, the information of the PC5RLC QoS to the relay terminal includes:
and the radio access network equipment transmits the information of the PC5RLC QoS to a relay terminal through RRC signaling (corresponding fields are added in the RRC signaling) or an adaptive Layer (ADAPT Layer).
In an embodiment of the present application, the step of the radio access network device sending the information of the PC5RLC QoS to the relay terminal through an adaptation layer includes:
the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal through a packet header of a self-adaptive layer;
alternatively, the first and second electrodes may be,
and the radio access network equipment transmits the information of the PC5RLC QoS to a relay terminal through an adaptive control protocol data unit (ADAPT control PDU).
In an embodiment of the present application, the packet header or the adaptive control protocol data unit of the adaptation layer includes one or more of the following items:
(1) A remote terminal identifier;
(2) A remote terminal RB mark;
(3) PQI determined by the radio access network device.
In an embodiment of the application, in a case where the radio access network device sends the information of the PC5RLC QoS to a relay terminal, the method further includes:
the wireless access network equipment sends fourth information to the relay terminal through a packet header of a self-adaptive layer;
wherein the fourth information indicates: whether the mapping relation of the uplink transmission is adjusted to be consistent with the mapping relation of the downlink transmission or not;
the mapping relationship of the uplink transmission refers to: mapping relation between data of a remote terminal RB and Uu DRB sent by the relay terminal; or, the mapping relationship between the data of the remote terminal RB set sent by the relay terminal and the Uu DRB;
the mapping relationship of downlink transmission refers to: mapping relation between the data of the remote terminal RB received by the relay terminal and the Uu DRB; or, the relay terminal receives a mapping relationship between data of the remote terminal RB set and the Uu DRB.
Optionally, the fourth information may be a user plane associated signaling, and the overhead of the RRC reconfiguration mapping relationship is saved through flexible configuration of the user plane associated signaling, which is certainly not limited thereto.
In one embodiment of the present application, the method further comprises:
the wireless access network equipment adjusts the mapping relation between the data of the remote terminal RB and the Uu DRB, or adjusts the mapping relation between the data of the remote terminal RB set and the Uu DRB;
and the radio access network equipment sends the data of the RB (radio bearer) to the relay terminal or sends the data of the RB set to the relay terminal through the adjusted Uu DRB.
In one embodiment of the present application, the method further comprises:
the wireless access network equipment sends fifth information to the relay terminal;
wherein the fifth information includes: configuration information of remote terminal RB set.
In one embodiment of the present application, the fourth information is a 1-bit reflective QoS indicator.
Based on the premise that the remote terminal RB to Uu DRB is many-to-one mapping, a reflection QoS mechanism is newly added on an ADAPT layer:
when the radio access network equipment determines that the mapping from the remote terminal RB1 to the Uu DRB1 needs to be changed (in order to enable the remote terminal RB1 to be remapped to the Uu DRB 2), the radio access network equipment firstly maps the data of the downlink remote terminal RB1 onto the Uu DRB2, and the relay terminal receives the remapped downlink data on the Uu DRB2, and then the downlink mapping can be found to be changed; at the same time or later, it is indicated whether the uplink mapping needs to be adjusted to be consistent with the downlink mapping by adding a new field (for example, adding a new 1-bit reflection QoS indicator) in the ADAPT header, and if the new field indicates that the adjustment is needed, when the relay terminal sends an uplink data packet, the data from the remote terminal RB1 received from the remote terminal is also mapped onto the Uu DRB2 for sending.
Therefore, the reconfiguration of the uplink and downlink mapping is completed in a user plane associated signaling mode without using RRC signaling for transmission.
Furthermore, based on the premise that RB-to-Uu DRB mapping of the remote terminal is many-to-one, a RB set of the remote terminal is defined (wherein a RB set of the remote terminal may include all or part of SRBs and DRBs configured for the remote terminal) to be mapped onto the same Uu DRB, and a reflection QoS mechanism is further added at the ADAPT layer:
when the radio access network equipment determines that the mapping from the RB set of the remote terminal to the Uu DRB1 needs to be changed (in order to enable the RB set of the remote terminal to be remapped to the Uu DRB 2), the radio access network equipment firstly maps the data of the RB set of the downlink remote terminal onto the Uu DRB2, and the relay terminal can find that the downlink mapping is changed after receiving the remapped downlink data on the Uu DRB 2; at the same time or later, it is indicated whether the uplink mapping needs to be adjusted to be consistent with the downlink mapping by adding a new field (for example, adding a new 1-bit reflection QoS indicator) in the ADAPT header, and if the new field indicates that the adjustment is needed, when the relay terminal sends an uplink data packet, the uplink data from the remote terminal RB set received from the remote terminal is also mapped onto Uu DRB2 for sending.
Therefore, the reconfiguration of the uplink and downlink mapping is completed in a user plane associated signaling mode without using RRC signaling for transmission.
In order to complete the above-mentioned reflective mapping mechanism, configuration of RB set needs to be newly added in RRC signaling from the radio access network device to the relay terminal, and this configuration may indicate which RBs for the remote terminal are configured as one set, and one or more sets may be configured at the same time. In the embodiment of the present application, no specific signaling design manner is specified for configuration.
In one embodiment of the present application, the header of the adaptation layer includes: in the case of the remote terminal identity and remote terminal RB identity,
the header of the adaptation layer is indicated by N bits: the related information of the remote terminal identification and the remote terminal RB identification, wherein one Uu DRB bears 2 of a plurality of terminals at most N Data of end-to-end RBs;
alternatively, the first and second electrodes may be,
the header of the adaptation layer is indicated by M + K bits: the related information of the remote terminal identification and the remote terminal RB identification, wherein one Uu DRB bears 2 of a plurality of terminals at most M Data of individual terminals, wherein a maximum of 2 is supported for each terminal K Data of end-to-end RBs;
wherein N, M and K are all more than or equal to 1.
In one embodiment of the present application, the method further comprises:
the wireless access network equipment sends sixth information to the relay terminal;
wherein the sixth information indicates one of:
(1) The corresponding relation between the remote terminal identification and the remote terminal RB identification and the N bits;
(2) And the corresponding relation between the remote terminal identification and the remote terminal RB identification and the M + K bits.
Alternatively, the sixth information may be RRC signaling.
In an embodiment of the present application, the remote terminal Identifier is a Cell-Radio Network Temporary Identifier (C-RNTI) allocated to the remote terminal by the Radio access Network device; or, the RB identity of the remote terminal is a Signaling Radio Bearer identity (SRB) or a data Radio Bearer identity (DRB ID).
Referring to fig. 5a and 5b, in the figure, "ARQI" represents a reflection QoS indicator of an ADAPT layer, "S/D" indicates whether an RB type (type) is SRB or DRB, "C-RNTI" indicates C-RNTI configured by a radio access network device to a Remote terminal, "RB ID" represents SRB/DRB ID, "Remote UE mapped ID" bit number corresponds to M bits described previously, remote UE RB mapped ID bit number corresponds to K bits described previously, and R represents reserved bits. And the ADAPT header is compressed, so that the air interface overhead is saved.
In one embodiment of the present application, the communication device includes: in the case of a remote terminal, the method further comprises:
the remote terminal sends seventh information to the relay terminal, wherein the seventh information comprises end-to-end data;
wherein, the relay terminal and the wireless access network device agree between: the seventh information is forwarded to the radio access network equipment through a specific RB established between the relay terminal and the radio access network equipment; or, the seventh information is mapped to the same Uu RB as other end-to-end RB data by a specific mapping manner (such as a specific remote terminal mapping identifier), where the specific mapping manner may be all 0 s or all 1 s.
Alternatively, the seventh information may be SRB0 signaling, but is not limited thereto.
End-to-end data, such as end-to-end SRB0 data, is distinguished by an agreement between the relay terminal and the radio access network device.
In an embodiment of the present application, the PC5RLC QoS is configured by a related device (such as a remote terminal, a relay terminal, and a radio access network device) on the radio access network side, so that the RLC QoS configuration is ensured, and the reliability of the system is improved.
Referring to fig. 6, an embodiment of the present application provides a configuration apparatus for a relay, which is applied to a communication device, where the apparatus 600 includes:
a first processing module 601, configured to determine a PC5RLC QoS;
wherein the communication device comprises one or more of: a remote terminal, a relay terminal and a wireless access network device.
In one embodiment of the present application, the communication device includes: in the case of a radio access network device, the first processing module 601 is further configured to: determining the PC5RLC QoS according to the first information;
wherein the first information comprises one or more of:
Uu DRB QoS；
end-to-end RB QoS;
end-to-end QoS flows QoS and QoS flows to RB mapping.
In one embodiment of the present application, the apparatus further comprises:
the first sending module is used for sending the information of the PC5RLC QoS to a relay terminal, and the information of the PC5RLC QoS is used for the relay terminal to control the QoS of a PC5 link;
alternatively, the first and second electrodes may be,
and the second sending module is used for sending the information of the PC5RLC QoS to a remote terminal, and the remote terminal is used for sending the PQI corresponding to the PC5RLC QoS to a relay terminal, or sending the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI to the relay terminal.
In one embodiment of the present application, the communication device includes: in the case of a remote terminal, the apparatus further comprises:
a first receiving module, configured to receive second information from the radio access network device;
wherein the second information comprises one or more of:
5QI for Uu DRB QoS;
QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
5QI for end-to-end QoS;
QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
mapping relation between QoS flow and end-to-end RB.
In one embodiment of the present application, the apparatus further comprises:
and the second processing module is used for determining PQI corresponding to the PC5RLC QoS according to the second information, or determining PQI corresponding to the PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
In one embodiment of the present application, the apparatus further comprises:
and a third sending module, configured to send the PQI corresponding to the PC5RLC QoS, or the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI, to the relay terminal.
In one embodiment of the present application, the communication device includes: in the case of a relay terminal, the apparatus further includes:
a second receiving module, configured to receive third information from the radio access network device;
wherein the third information comprises one or more of:
5QI for Uu DRB QoS;
QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
5QI for end-to-end QoS;
QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
mapping of QoS flows to end-to-end RBs.
In one embodiment of the present application, the apparatus further comprises:
and the third processing module is used for determining PQI corresponding to the PC5RLC QoS according to the third information, or determining PQI corresponding to the PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
In one embodiment of the present application, the information of the PC5RLC QoS includes one or more of:
PC5 quality of service indication PQI;
identification information of the remote terminal;
remote terminal RB identity information;
QoS characteristics and/or parameters associated with the PQI;
5QI corresponding to Uu DRB QoS;
mapping relation of 5QI corresponding to PQI and Uu DRB QoS.
In one embodiment of the present application, the first transmitting module is further configured to: and sending the information of the PC5RLC QoS to a relay terminal through RRC signaling or an adaptive layer.
In one embodiment of the present application, the first transmitting module is further configured to: sending the information of the PC5RLC QoS to a relay terminal through a packet header of a self-adaptive layer;
alternatively, the first and second electrodes may be,
and sending the information of the PC5RLC QoS to the relay terminal through an adaptive control protocol data unit.
In an embodiment of the present application, the packet header or the adaptive control protocol data unit of the adaptation layer includes one or more of the following items:
a remote terminal identifier;
a remote terminal RB mark;
PQI determined by the radio access network device.
In an embodiment of the present application, in a case where the radio access network device transmits information of the PC5RLC QoS to a relay terminal, the apparatus further includes:
a fourth sending module, configured to send fourth information to the relay terminal through a packet header of a self-adaptation layer;
wherein the fourth information indicates: whether the mapping relation of the uplink transmission is adjusted to be consistent with the mapping relation of the downlink transmission or not;
the mapping relationship of the uplink transmission refers to: mapping relation between data of a remote terminal RB and Uu DRB sent by the relay terminal; or, the mapping relationship between the data of the remote terminal RB set sent by the relay terminal and the Uu DRB;
the mapping relationship of the downlink transmission refers to: mapping relation between the data of the remote terminal RB received by the relay terminal and the Uu DRB; or, the relay terminal receives a mapping relationship between data of the remote terminal RB set and the Uu DRB.
In one embodiment of the present application, the apparatus further comprises:
the adjusting module is used for adjusting the mapping relation between the data of the remote terminal RB and the Uu DRB, or adjusting the mapping relation between the data of the remote terminal RB set and the Uu DRB;
and a fifth sending module, configured to send the data of the remote terminal RB to the relay terminal through the adjusted Uu DRB, or send the data of the remote terminal RB set to the relay terminal.
In one embodiment of the present application, the apparatus further comprises:
a sixth sending module, configured to send fifth information to the relay terminal;
wherein the fifth information includes: configuration information of remote terminal RB set.
In one embodiment of the present application, the fourth information is a 1-bit reflective QoS indicator.
In one embodiment of the present application, the adaptation layer packet header includes: in the case of the remote terminal identity and remote terminal RB identity,
the header of the adaptation layer is indicated by N bits: the related information of the remote terminal identification and the remote terminal RB identification, wherein one Uu DRB carries 2 of a plurality of terminals at most N Data of end-to-end RBs;
alternatively, the first and second electrodes may be,
the header of the adaptation layer is indicated by M + K bits: the related information of the remote terminal identification and the remote terminal RB identification, wherein one Uu DRB carries 2 of a plurality of terminals at most M Data of each terminal, wherein, for eachTerminal maximum support 2 K Data of end-to-end RBs;
wherein N, M and K are all more than or equal to 1.
In one embodiment of the present application, the apparatus further comprises:
a seventh sending module, configured to send sixth information to the relay terminal;
wherein the sixth information indicates one of:
the corresponding relation between the remote terminal identification and the remote terminal RB identification and the N bits;
and the corresponding relation between the remote terminal identification and the remote terminal RB identification and the M + K bits.
In an embodiment of the present application, the remote terminal identifier is a cell radio network temporary identifier allocated to the remote terminal by the radio access network device; or, the remote terminal RB identity is a signaling radio bearer identity or a data radio bearer identity.
In one embodiment of the present application, the communication device includes: in the case of a remote terminal, the apparatus further comprises:
an eighth sending module, configured to send seventh information to the relay terminal, where the seventh information includes end-to-end data;
wherein, the relay terminal and the wireless access network device agree between: the seventh information is forwarded to the radio access network equipment through a specific RB established between the relay terminal and the radio access network equipment;
or, the seventh information is mapped to the same Uu RB as other end-to-end RB data in a specific mapping manner.
The device provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in fig. 3, and achieve the same technical effect, and for avoiding repetition, details are not described here again.
As shown in fig. 7, the embodiment of the present application further provides a communication device 700, which includes a processor 701, a memory 702, and a program or an instruction stored on the memory 702 and executable on the processor 701, and when the program or the instruction is executed by the processor 701, the program or the instruction implements the processes of the embodiment of the method in fig. 3, and can achieve the same technical effect. To avoid repetition, further description is omitted here.
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 the instruction is executed by a processor, the program or the instruction implements each process of the method embodiment shown in fig. 3, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or may be embodied in software instructions executed by a processor. The software instructions may consist of corresponding software modules that may be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, a removable hard disk, a compact disk, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. In addition, the ASIC may be carried in a core network interface device. Of course, the processor and the storage medium may reside as discrete components in a core network interface device.
Those skilled in the art will recognize that in one or more of the examples described above, the functions described herein may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above-mentioned embodiments, objects, technical solutions and advantages of the present application are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present application should be included in the scope of the present application.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, embodiments of the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present application are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.
Claims (23)
1. A method for configuring a relay, comprising:
the communication equipment determines the quality of service of the PC5RLC QoS wireless link control;
wherein the communication device comprises one or more of: a remote terminal, a relay terminal and a wireless access network device.
2. The method of claim 1, comprising, at the communication device: in the case of a radio access network device, the step of the communication device determining the RLC QoS of the PC5 includes:
the wireless access network equipment determines the PC5RLC QoS according to the first information;
wherein the first information comprises one or more of:
uu data radio bearer DRB QoS;
end-to-end radio bearer RB QoS;
end-to-end QoS flows QoS and the mapping of QoS flows to RBs.
3. The method of claim 2, further comprising:
the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal, and the information of the PC5RLC QoS is used for the relay terminal to control the QoS of a PC5 link;
alternatively, the first and second liquid crystal display panels may be,
and the radio access network equipment sends the information of the PC5RLC QoS to a remote terminal, wherein the remote terminal is used for sending the PQI corresponding to the PC5RLC QoS to a relay terminal, or sending the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI to the relay terminal.
4. The method of claim 1, comprising, at the communication device: in the case of a remote terminal, the method further includes:
the remote terminal receives second information from the wireless access network equipment;
wherein the second information comprises one or more of:
5QI for Uu DRB QoS;
QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
5QI for end-to-end QoS;
QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
mapping of QoS flows to end-to-end RBs.
5. The method of claim 4, further comprising:
and the remote terminal determines PQI corresponding to PC5RLC QoS according to the second information, or determines PQI corresponding to PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
6. The method of claim 5, further comprising:
and the remote terminal sends the PQI corresponding to the PC5RLC QoS, or the PQI corresponding to the PC5RLC QoS and the QoS characteristics and/or parameters corresponding to the PQI to a relay terminal.
7. The method of claim 1, comprising, at the communication device: in case of a relay terminal, the method further comprises:
the relay terminal receives third information from the wireless access network equipment;
wherein the third information comprises one or more of:
5G quality of service indication 5QI for Uu DRB QoS;
QoS characteristics and/or parameters corresponding to 5QI for Uu DRB QoS;
5QI for end-to-end QoS;
QoS characteristics and/or parameters corresponding to 5QI for end-to-end QoS;
mapping relation between QoS flow and end-to-end RB.
8. The method of claim 7, further comprising:
and the relay terminal determines PQI corresponding to PC5RLC QoS according to the third information, or determines PQI corresponding to PC5RLC QoS and QoS characteristics and/or parameters corresponding to the PQI.
9. The method of claim 3, wherein the PC5RLC QoS information comprises one or more of:
PC5 quality of service indication PQI;
identification information of a remote terminal;
remote terminal RB identity information;
QoS characteristics and/or parameters associated with the PQI;
5QI corresponding to Uu DRB QoS;
mapping relation of 5QI corresponding to the PQI and Uu DRB QoS.
10. The method of claim 3, wherein the step of the radio access network device sending the information of the PC5RLC QoS to the relay terminal comprises:
and the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal through RRC signaling or a self-adaptive layer.
11. The method of claim 10, wherein the step of the radio access network device transmitting the information of the PC5RLC QoS to the relay terminal through an adaptation layer comprises:
the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal through a packet header of a self-adaptive layer;
alternatively, the first and second electrodes may be,
and the wireless access network equipment sends the information of the PC5RLC QoS to a relay terminal through a self-adaptive control protocol data unit.
12. The method of claim 11, wherein the header of the adaptation layer or the adaptation control protocol data unit comprises one or more of the following:
a remote terminal identifier;
a remote terminal RB mark;
PQI determined by the radio access network device.
13. The method of claim 10, wherein in the case where the radio access network device transmits the information of the PC5RLC QoS to a relay terminal, the method further comprises:
the wireless access network equipment sends fourth information to the relay terminal through a packet header of a self-adaptive layer;
wherein the fourth information indicates: whether the mapping relation of the uplink transmission is adjusted to be consistent with the mapping relation of the downlink transmission or not;
the mapping relationship of the uplink transmission refers to: mapping relation between the data of the remote terminal RB and the Uu DRB sent by the relay terminal; or, the mapping relationship between the data of the remote terminal RB set sent by the relay terminal and the Uu DRB;
the mapping relationship of downlink transmission refers to: mapping relation between the data of the remote terminal RB received by the relay terminal and the Uu DRB; or, the relay terminal receives a mapping relationship between data of the remote terminal RB set and the Uu DRB.
14. The method of claim 13, further comprising:
the wireless access network equipment adjusts the mapping relation between the data of the remote terminal RB and the Uu DRB, or adjusts the mapping relation between the data of the remote terminal RB set and the Uu DRB;
and the radio access network equipment sends the data of the remote terminal RB to the relay terminal or sends the data of the remote terminal RB set to the relay terminal through the adjusted Uu DRB.
15. The method of claim 13, further comprising:
the wireless access network equipment sends fifth information to the relay terminal;
wherein the fifth information includes: configuration information of remote terminal RB set.
16. The method of claim 13, wherein the fourth information is a 1-bit reflective QoS indicator.
17. The method of claim 12, wherein the header of the adaptation layer comprises: in case of a remote terminal identity and a remote terminal RB identity,
the header of the adaptation layer is indicated by N bits: the related information of the remote terminal identification and the remote terminal RB identification, wherein one Uu DRB bears 2 of a plurality of terminals at most N Data of end-to-end RBs;
alternatively, the first and second electrodes may be,
the header of the adaptation layer is indicated by M + K bits: the remote terminal markInformation related to identification of RB (radio bearer) of remote terminal, wherein one Uu DRB carries 2 of a plurality of terminals at most M Data of individual terminals, wherein a maximum of 2 is supported for each terminal K Data of end-to-end RBs;
wherein N, M and K are all more than or equal to 1.
18. The method of claim 17, further comprising:
the wireless access network equipment sends sixth information to the relay terminal;
wherein the sixth information indicates one of:
the corresponding relation between the remote terminal identification and the remote terminal RB identification and the N bits;
and the corresponding relation between the remote terminal identification and the remote terminal RB identification and the M + K bits.
19. The method of claim 12, wherein the remote terminal identifier is a cell radio network temporary identifier assigned to the remote terminal by the radio access network device; or, the remote terminal RB identity is a signaling radio bearer identity or a data radio bearer identity.
20. The method of claim 1, comprising, at the communication device: in the case of a remote terminal, the method further comprises:
the remote terminal sends seventh information to the relay terminal, wherein the seventh information comprises end-to-end data;
wherein, the relay terminal and the wireless access network device agree between: the seventh information is forwarded to the radio access network equipment through a specific RB established between the relay terminal and the radio access network equipment;
or, the seventh information is mapped to the same Uu RB as other end-to-end RB data through a specific mapping manner.
21. A relay configuration device applied to a communication device includes:
the first processing module is used for determining the RLC QoS of the PC 5;
wherein the communication device comprises one or more of: a remote terminal, a relay terminal and a wireless access network device.
22. A communication device, comprising: a processor, a memory and a program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the method of any one of claims 1 to 20.
23. A readable storage medium, characterized in that it has stored thereon a program which, when being executed by a processor, carries out steps comprising the method according to any one of claims 1 to 20.
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