CN116112991A - Processing method, processing device and computer readable storage medium - Google Patents
Processing method, processing device and computer readable storage medium Download PDFInfo
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- CN116112991A CN116112991A CN202111325277.8A CN202111325277A CN116112991A CN 116112991 A CN116112991 A CN 116112991A CN 202111325277 A CN202111325277 A CN 202111325277A CN 116112991 A CN116112991 A CN 116112991A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
Abstract
The embodiment of the invention provides a processing method, a processing device and a computer readable storage medium, wherein a base station receives measurement results reported by a first terminal and related to an interface between terminals and a Uu interface between the terminals and the base station; and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a mobility processing method, a mobility processing device, and a computer readable storage medium.
Background
In a terminal-to-network side link relay application, typical mobility scenarios include: and the direct link and the indirect link are not switched across the base station. How to guarantee the continuity of the service in the above scenario is a major problem to be solved.
Since the conventional handover is a handover between different cells by the air interface technology, and the sidelink relay is a handover between the PC5 interface and the Uu interface, the flow and mechanism are different from those of the conventional handover, and further enhancement is required between the relay UE and the base station. Rel-17 does not currently consider PC5 and Uu dual activation or one-sided pending seamless handover. In addition, since the probability and risk of link interruption between the remote terminal and the relay terminal are relatively high, how to implement fast retransmission of the link is a problem to be solved.
Disclosure of Invention
In view of this, it is desirable for embodiments of the present invention to provide a processing method, apparatus, and computer-readable storage medium.
In order to achieve the above object, the technical solution of the embodiment of the present invention is as follows:
the embodiment of the invention provides a processing method, which is applied to a base station and comprises the following steps:
receiving measurement results, reported by a first terminal, about an interface between terminals and a Uu interface between the terminals and a base station;
and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
Optionally, the method further comprises:
transmitting a Radio Resource Control (RRC) reconfiguration message to the first terminal; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
Optionally, the method further comprises:
and sending the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information to the relay device.
Optionally, the method further comprises:
and receiving a link failure indication or a link recovery indication sent by the relay equipment and/or receiving Serial Number (SN) information of data which is sent by the relay equipment and is not successfully transmitted to the first terminal.
Optionally, the method further comprises:
and executing data retransmission operation on the unsuccessfully transmitted data in the link.
Optionally, the method further comprises:
receiving a first message sent by a relay device; the first message carries identification information of a first terminal;
sending a second message to the new relay device; the second message carries a bearer map and PC5 link configuration information.
Optionally, the method further comprises:
receiving a third message sent by the first terminal; the third message carries the identification information of the new relay equipment;
sending a fourth message to the new relay device; the fourth message carries bearer mapping and PC5 link configuration information.
Optionally, the relay device is: a second terminal or a network device.
The embodiment of the invention also provides a processing method, which is applied to the first terminal and comprises the following steps:
reporting measurement results related to an interface between terminals and Uu interface between the terminals and the base station to the base station, wherein the measurement results and/or current service information are used for determining to simultaneously reserve a direct link and a relay link, suspending the relay link, releasing the relay link or switching between the direct link and the relay link by the base station.
Optionally, the method further comprises:
receiving a Radio Resource Control (RRC) reconfiguration message sent by the base station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
Optionally, the method further comprises:
transmitting a third message to the base station; the third message carries identification information of the new relay device.
The embodiment of the invention also provides a processing method, which is applied to the relay equipment and comprises the following steps:
and receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
Optionally, the method further comprises:
and sending a link failure indication or a link recovery indication and/or Sequence Number (SN) information of data which is not successfully transmitted to the first terminal to the base station.
Optionally, the method further comprises:
sending a first message to the base station; the first message carries identification information of a first terminal;
receiving a second message sent by the base station; the second message carries bearer mapping and PC5 link configuration information; and the message is sent when the base station determines that the first terminal relays through the relay equipment.
Optionally, the method further comprises:
receiving a fourth message sent by the base station; the fourth message carries bearer mapping and PC5 link configuration information; wherein, the liquid crystal display device comprises a liquid crystal display device,
and the fourth message is sent when the base station determines that the first terminal relays through the relay equipment.
The embodiment of the invention also provides a processing device, which is applied to the base station and comprises:
the first transceiver module is used for receiving measurement results, reported by the first terminal, about an interface between terminals and a Uu interface between the terminals and the base station;
and the processing module is used for determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
The embodiment of the invention also provides a processing device, which is applied to the first terminal and comprises:
and the second transceiver module is used for feeding back measurement results of an interface between terminals and a Uu interface between the terminals and the base station to the base station, and is used for determining to simultaneously reserve a direct link and a relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement results and/or current service information.
The embodiment of the invention also provides a processing device, which is applied to the relay equipment and comprises:
and the third transceiver module is used for receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
The embodiment of the invention also provides a processing device, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is configured to execute the steps of the above method when running the computer program.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, implements the steps of the above method.
The processing method, the processing device and the computer readable storage medium provided by the embodiment of the invention are that a base station receives measurement results, reported by a first terminal, about an interface between terminals and a Uu interface between the terminals and the base station; and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information. Therefore, the embodiment of the invention can select the link based on the measurement result and the service condition of the first terminal, can realize the service continuity in the side link relay scene and improve the network coverage.
In addition, the embodiment of the invention also executes the rapid data retransmission operation for the unsuccessfully transmitted data in the link, further improves the network coverage and the service continuity in the mobile scene, and improves the user experience.
Drawings
Fig. 1 is a schematic flow chart of a mobility processing method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a mobility processing method according to an embodiment of the present invention;
fig. 3 is a schematic flow chart III of a mobility processing method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a mobility handling apparatus according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a mobility handling apparatus according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a mobility handling apparatus according to an embodiment of the present invention;
FIG. 7 is a schematic flow chart of a method according to an embodiment of the present invention;
FIG. 8 is a schematic flow chart of a method according to a second embodiment of the present invention;
FIG. 9 is a schematic flow chart of a method according to a third embodiment of the present invention;
FIG. 10 is a flowchart of a method according to a fourth embodiment of the present invention;
fig. 11 is a flowchart of a method according to a fifth embodiment of the present invention.
Detailed Description
The invention is described below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The embodiment of the invention provides a mobility processing method, as shown in fig. 1, which is applied to a base station and comprises the following steps:
step 101: receiving measurement results, reported by a first terminal, about an interface between terminals and a Uu interface between the terminals and a base station;
step 102: and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
In one embodiment of the present invention, the method further comprises:
transmitting a Radio Resource Control (RRC) reconfiguration message to the first terminal; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
In one embodiment of the present invention, the method further comprises:
and sending the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information to the relay device.
In one embodiment of the present invention, the method further comprises:
and receiving a link failure indication or a link recovery indication sent by the relay equipment and/or receiving Serial Number (SN) information of data which is sent by the relay equipment and is not successfully transmitted to the first terminal.
In one embodiment of the present invention, the method further comprises:
and executing data retransmission operation on the unsuccessfully transmitted data in the link.
In one embodiment of the present invention, the method further comprises:
receiving a first message sent by a relay device; the first message carries identification information of a first terminal;
sending a second message to the new relay device; the second message carries a bearer map and PC5 link configuration information.
In one embodiment of the present invention, the method further comprises:
receiving a third message sent by the first terminal; the third message carries the identification information of the new relay equipment;
sending a fourth message to the new relay device; the fourth message carries bearer mapping and PC5 link configuration information.
In the embodiment of the present invention, the relay device is: a second terminal, or a network device.
The embodiment of the invention also provides a mobility processing method, as shown in fig. 2, which is applied to the first terminal and comprises the following steps:
step 201: and feeding back measurement results of the interfaces between the terminals and Uu between the terminals and the base stations to the base stations, wherein the measurement results and/or the current service information are used for determining to simultaneously reserve a direct link and a relay link, or suspend the relay link, or release the relay link, or switch between the direct link and the relay link by the base stations.
In one embodiment of the present invention, the method further comprises:
receiving a Radio Resource Control (RRC) reconfiguration message sent by the base station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
In one embodiment of the present invention, the method further comprises:
transmitting a third message to the base station; the third message carries identification information of the new relay device.
The embodiment of the invention also provides a mobility processing method, as shown in fig. 3, which is applied to the relay device and comprises the following steps:
step 301: and receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
In one embodiment of the present invention, the method further comprises:
and sending a link failure indication or a link recovery indication and/or Sequence Number (SN) information of data which is not successfully transmitted to the first terminal to the base station.
In one embodiment of the present invention, the method further comprises:
sending a first message to the base station; the first message carries identification information of a first terminal;
receiving a second message sent by the base station; the second message carries bearer mapping and PC5 link configuration information; and the message is sent when the base station determines that the first terminal relays through the relay equipment.
In one embodiment of the present invention, the method further comprises:
receiving a fourth message sent by the base station; the fourth message carries bearer mapping and PC5 link configuration information; wherein, the liquid crystal display device comprises a liquid crystal display device,
and the fourth message is sent when the base station determines that the first terminal relays through the relay equipment.
In order to implement the above method embodiment, the embodiment of the present invention further provides a mobility processing device, as shown in fig. 4, where the device is applied to a base station, and includes:
a first transceiver module 401, configured to receive measurement results about an inter-terminal interface and a Uu interface between a terminal and a base station, which are reported by a first terminal;
a processing module 402, configured to determine to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link, or switch between the direct link and the relay link based on the measurement result and/or the current service information.
In one embodiment of the present invention, the first transceiver module 401 is further configured to send a radio resource control RRC reconfiguration message to the first terminal; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
In one embodiment of the present invention, the first transceiver module 401 is further configured to send the suspension relay link indication information, release the relay link indication information, or recover the relay link indication information to the relay device.
In one embodiment of the present invention, the first transceiver module 401 is further configured to receive a link failure indication or a link recovery indication sent by the relay device, and/or receive SN information of data that is sent by the relay device and is not successfully transmitted to the first terminal.
In one embodiment of the present invention, the first transceiver module 401 is further configured to perform a data retransmission operation on data that is not successfully transmitted in the link.
In one embodiment of the present invention, the first transceiver module 401 is further configured to receive a first message sent by the relay device; the first message carries identification information of a first terminal;
sending a second message to the new relay device; the second message carries a bearer map and PC5 link configuration information.
In one embodiment of the present invention, the first transceiver module 401 is further configured to receive a third message sent by the first terminal; the third message carries the identification information of the new relay equipment;
sending a fourth message to the new relay device; the fourth message carries bearer mapping and PC5 link configuration information.
In the embodiment of the present invention, the relay device is: a second terminal, or a network device.
The embodiment of the invention also provides a mobility processing device, as shown in fig. 5, which is applied to a first terminal (fig. 5 only shows the mobility processing device, and other modules in the first terminal are not embodied), and includes:
and a second transceiver module 501, configured to feed back measurement results about an inter-terminal interface and a Uu interface between the terminal and the base station to the base station, and configured to determine, based on the measurement results and/or current service information, to simultaneously reserve a direct link and a relay link, to suspend the relay link, to release the relay link, or to switch between the direct link and the relay link.
In one embodiment of the present invention, the second transceiver module 501 is further configured to receive a radio resource control RRC reconfiguration message sent by the base station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
In one embodiment of the present invention, the second transceiver module 501 is further configured to send a third message to the base station; the third message carries identification information of the new relay device.
The embodiment of the invention also provides a mobility processing device, as shown in fig. 6, which is applied to a relay device (fig. 6 only shows the mobility processing device, and other modules in the relay device are not embodied), and includes:
and a third transceiver module 601, configured to receive the suspension relay link indication information, release the relay link indication information, or recover the relay link indication information sent by the base station.
In one embodiment of the present invention, the method further comprises:
and sending a link failure indication or a link recovery indication and/or Sequence Number (SN) information of data which is not successfully transmitted to the first terminal to the base station.
In one embodiment of the present invention, the third transceiver module 601 is further configured to
Sending a first message to the base station; the first message carries identification information of a first terminal;
receiving a second message sent by the base station; the second message carries bearer mapping and PC5 link configuration information; and the message is sent when the base station determines that the first terminal relays through the relay equipment.
In one embodiment of the present invention, the third transceiver module 601 is further configured to receive a fourth message sent by the base station; the fourth message carries bearer mapping and PC5 link configuration information; wherein, the liquid crystal display device comprises a liquid crystal display device,
and the fourth message is sent when the base station determines that the first terminal relays through the relay equipment.
The embodiment of the invention also provides a mobility processing device, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
receiving measurement results, reported by a first terminal, about an interface between terminals and a Uu interface between the terminals and a base station;
and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
The processor is configured to execute, when executing the computer program:
transmitting a Radio Resource Control (RRC) reconfiguration message to the first terminal; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
The processor is configured to execute, when executing the computer program:
and sending the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information to the relay device.
The processor is configured to execute, when executing the computer program:
and receiving a link failure indication or a link recovery indication sent by the relay equipment and/or receiving Serial Number (SN) information of data which is sent by the relay equipment and is not successfully transmitted to the first terminal.
The processor is configured to execute, when executing the computer program:
and executing data retransmission operation on the unsuccessfully transmitted data in the link.
The processor is configured to execute, when executing the computer program:
receiving a first message sent by a relay device; the first message carries identification information of a first terminal;
sending a second message to the new relay device; the second message carries a bearer map and PC5 link configuration information.
The processor is configured to execute, when executing the computer program:
receiving a third message sent by the first terminal; the third message carries the identification information of the new relay equipment;
sending a fourth message to the new relay device; the fourth message carries bearer mapping and PC5 link configuration information.
Wherein, the relay device is: a second terminal, or a network device.
The embodiment of the invention also provides a mobility processing device, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
and feeding back measurement results of the interfaces between the terminals and Uu between the terminals and the base stations to the base stations, wherein the measurement results and/or the current service information are used for determining to simultaneously reserve a direct link and a relay link, or suspend the relay link, or release the relay link, or switch between the direct link and the relay link by the base stations.
The processor is configured to execute, when executing the computer program:
receiving a Radio Resource Control (RRC) reconfiguration message sent by the base station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
The processor is configured to execute, when executing the computer program:
transmitting a third message to the base station; the third message carries identification information of the new relay device.
The embodiment of the invention also provides a mobility processing device, which comprises: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor, when executing the computer program, performs:
and receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
The processor is configured to execute, when executing the computer program:
and sending a link failure indication or a link recovery indication and/or Sequence Number (SN) information of data which is not successfully transmitted to the first terminal to the base station.
The processor is configured to execute, when executing the computer program:
sending a first message to the base station; the first message carries identification information of a first terminal;
receiving a second message sent by the base station; the second message carries bearer mapping and PC5 link configuration information; and the message is sent when the base station determines that the first terminal relays through the relay equipment.
The processor is configured to execute, when executing the computer program:
receiving a fourth message sent by the base station; the fourth message carries bearer mapping and PC5 link configuration information; wherein, the liquid crystal display device comprises a liquid crystal display device,
and the fourth message is sent when the base station determines that the first terminal relays through the relay equipment.
It should be noted that: in the apparatus provided in the above embodiment, when mobility processing is performed, only the division of each program module is used as an example, and in practical application, the processing allocation may be performed by different program modules according to needs, that is, the internal structure of the device is divided into different program modules, so as to complete all or part of the processing described above. In addition, the apparatus provided in the foregoing embodiments and the corresponding method embodiments belong to the same concept, and specific implementation processes of the apparatus and the corresponding method embodiments are detailed in the method embodiments, which are not described herein again.
In an exemplary embodiment, the present invention further provides a computer readable storage medium, which may be FRAM, ROM, PROM, EPROM, EEPROM, flash Memory, magnetic surface Memory, optical disk, or CD-ROM; but may be a variety of devices including one or any combination of the above-described memories, such as a mobile phone, computer, tablet device, personal digital assistant, or the like.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
receiving measurement results, reported by a first terminal, about an interface between terminals and a Uu interface between the terminals and a base station;
and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
The computer program, when executed by the processor, further performs:
transmitting a Radio Resource Control (RRC) reconfiguration message to the first terminal; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
The computer program, when executed by the processor, further performs:
and sending the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information to the relay device.
The computer program, when executed by the processor, further performs:
and receiving a link failure indication or a link recovery indication sent by the relay equipment and/or receiving Serial Number (SN) information of data which is sent by the relay equipment and is not successfully transmitted to the first terminal.
The computer program, when executed by the processor, further performs:
and executing data retransmission operation on the unsuccessfully transmitted data in the link.
The computer program, when executed by the processor, further performs:
receiving a first message sent by a relay device; the first message carries identification information of a first terminal;
sending a second message to the new relay device; the second message carries a bearer map and PC5 link configuration information.
The computer program, when executed by the processor, further performs:
receiving a third message sent by the first terminal; the third message carries the identification information of the new relay equipment;
sending a fourth message to the new relay device; the fourth message carries bearer mapping and PC5 link configuration information.
Wherein, the relay device is: a second terminal, or a network device.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
and feeding back measurement results of the interfaces between the terminals and Uu between the terminals and the base stations to the base stations, wherein the measurement results and/or the current service information are used for determining to simultaneously reserve a direct link and a relay link, or suspend the relay link, or release the relay link, or switch between the direct link and the relay link by the base stations.
The computer program, when executed by the processor, further performs:
receiving a Radio Resource Control (RRC) reconfiguration message sent by the base station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
The computer program, when executed by the processor, further performs:
transmitting a third message to the base station; the third message carries identification information of the new relay device.
The embodiment of the present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs:
and receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
The computer program, when executed by the processor, further performs:
and sending a link failure indication or a link recovery indication and/or Sequence Number (SN) information of data which is not successfully transmitted to the first terminal to the base station.
The computer program, when executed by the processor, further performs:
sending a first message to the base station; the first message carries identification information of a first terminal;
receiving a second message sent by the base station; the second message carries bearer mapping and PC5 link configuration information; and the message is sent when the base station determines that the first terminal relays through the relay equipment.
The computer program, when executed by the processor, further performs:
receiving a fourth message sent by the base station; the fourth message carries bearer mapping and PC5 link configuration information; wherein, the liquid crystal display device comprises a liquid crystal display device,
and the fourth message is sent when the base station determines that the first terminal relays through the relay equipment.
The invention is described below in connection with scene embodiments.
Embodiment one: the scheme is reserved for both the non-cross-base station direct link and the relay link, as shown in fig. 7, and the method comprises the following steps:
step 1: the remote terminal establishes signaling and data bearing with the base station through the relay terminal;
step 2: the base station configures a remote terminal to execute the measurement of the PC5 and Uu ports, and the trigger threshold is reached to report to the base station measurement result;
step 3: the base station decides whether to reserve the direct link and the relay link at the same time according to the measurement results of the remote terminal PC5 and the Uu port, the service condition and other information;
step 4: if the two links are decided to be reserved, carrying indication information for reserving the two links in a reconfiguration message sent to the far-end terminal;
step 5: the remote terminal initiates access to the base station and sends a connection reconfiguration completion message;
step 6: the base station decides to send data to the remote terminal through the direct link and the relay link by adopting a split-flow or repeated transmission mode;
step 7: the relay terminal monitors the PC5 link failure, and if the failure is found, the relay terminal is connected with the base station to send the indication information of the link failure between the remote base station and the relay base station PC5 and/or the SN of the data which is not successfully transmitted to the remote terminal by the relay link;
step 8: for the shunting scene, the base station uses a direct link to rapidly retransmit the unsuccessfully transmitted data packet according to the SN fed back by the relay terminal;
step 9: if the relay link detects the recovery of the PC5 link, sending a PC5 link recovery instruction to the base station;
step 10: the base station may resume transmitting data to the remote terminal over both links.
Embodiment two: the method for suspending the direct link and the relay link without crossing the base station is as shown in fig. 8, and comprises the following steps:
step 1: the remote terminal establishes signaling and data bearing with the base station through the relay terminal;
step 2: the base station configures a remote terminal to execute the measurement of the PC5 and Uu ports, and the trigger threshold is reached to report to the base station measurement result;
step 3: the base station decides whether to suspend the relay link according to the measurement results of the remote terminal PC5 and Uu port, service conditions and other information;
step 4: if the decision is made to suspend the relay link, carrying indication information of suspending the relay link in a reconfiguration message sent to the remote terminal;
step 5: the base station initiates suspension indication information aiming at a certain far-end terminal to the relay terminal;
step 6: the relay terminal feeds back the SN of the data which is not successfully transmitted to the remote terminal to the base station;
step 7: the remote terminal initiates access to the base station and sends a connection reconfiguration completion message;
step 8: the base station sends the data which is not successfully transmitted by the relay link and new data to the remote terminal through the direct link;
step 9: and the base station decides to restore the relay link and simultaneously reserve the direct link or restore the relay link according to the measurement result or the service information, simultaneously releases the direct link, sends a reconfiguration message to the remote terminal and carries relevant indication information.
Embodiment III: the method for releasing the direct link and the relay link without crossing the base station is as shown in fig. 9, and comprises the following steps:
step 1: the remote terminal establishes signaling and data bearing with the base station through the relay terminal;
step 2: the base station configures a remote terminal to execute the measurement of the PC5 and Uu ports, and the trigger threshold is reached to report to the base station measurement result;
step 3: the base station decides whether to release the direct link and the relay link simultaneously according to the measurement results of the remote terminal PC5 and the Uu port, the service conditions and other information;
step 4: if the relay link is decided to be released, carrying indication information for releasing the relay link in a reconfiguration message sent to the remote terminal;
step 5: the base station initiates release indication information aiming at a certain remote terminal to the relay terminal;
step 6: the PC5 links of the far-end terminal and the relay terminal are released;
step 7: the relay terminal feeds back the SN of the data which is not successfully transmitted to the remote terminal to the base station;
step 8: the remote terminal initiates access to the base station and sends a connection reconfiguration completion message;
step 9: the base station sends the data which is not successfully transmitted by the relay link and new data to the remote terminal through the direct link;
embodiment four: the scheme is reserved for both the cross-base station direct link and the relay link, as shown in fig. 10, and the method comprises the following steps:
step 1: the remote terminal establishes signaling and data bearing with the source base station through the relay terminal;
step 2: the source base station configures a remote terminal to execute measurement of a PC5 and Uu port, and reports the measurement result to the source base station when the trigger threshold is reached;
step 3: the source base station decides to switch the remote terminal to the target base station according to the measurement results of the remote terminal PC5 and Uu port, the service condition and other information, and meanwhile reserves the side links of the remote terminal and the source base station;
step 4: the source base station sends a switching request to the target base station and receives a switching request reply fed back by the target base station;
step 5: the source base station carries HO command in a reconfiguration message sent to the remote terminal, and simultaneously reserves indication information of a direct link to the target base station and a relay link to the source base station;
step 6: forward data is carried out between the source base station and the target base station;
step 7: transmitting data to a remote terminal through a relay link;
step 8: the remote terminal initiates access to the source base station and sends a connection reconfiguration completion message;
step 9: transmitting data to a remote terminal through a direct link;
step 10: the source base station decides to reserve two links or to suspend/release the sidelink;
step 11: the source base station initiates PC5 release indication information aiming at a certain far-end terminal to the relay terminal;
step 12: the relay terminal feeds back the SN of the data which is not successfully transmitted to the remote terminal to the source base station;
step 13: data forwarding is carried out between the source base station and the target base station;
step 14: and the target base station performs data transmission through the direct link.
Fifth embodiment: relay terminal switching scheme, as shown in fig. 11, the method includes:
step 1: the remote terminal establishes signaling and data bearing with the base station through the relay terminal 1;
step 2: the relay terminal 1 and the relay terminal 2 perform PC5 measurement of the remote terminal;
step 3: the remote terminal performs relay terminal reselection according to the measurement result;
subsequent flow this embodiment is described in two ways:
method one
Step 4: the remote terminal establishes a PC5 link with the relay terminal 2 while transmitting identification information of the remote terminal to the relay terminal 2, for example: information such as MAC layer ID, S-TMSI, C-RNTI, etc.;
step 5: the relay terminal 2 sends a reconfiguration request to the base station, wherein the reconfiguration request carries identification information of the remote terminal, for example: information such as MAC layer ID, S-TMSI, C-RNTI, etc.;
step 6: the base station identifies a new relay terminal 2 of the remote terminal and feeds back a reconfiguration request, wherein the reconfiguration request carries information such as bearer mapping, PC5 link configuration and the like;
step 7: the base station sends reconfiguration information to the far-end terminal and carries an instruction of switching to the relay terminal 2;
step 8: the base station sends a PC5 release instruction to the relay terminal 1;
step 9: the relay terminal 1 feeds back the SN of the data which is not successfully transmitted to the remote terminal to the base station;
step 10: the base station transmits data to the remote terminal through the relay terminal 2.
Method II
Step 4: the remote terminal establishes a PC5 link with the relay terminal 2 while transmitting identification information of the remote terminal to the relay terminal 2, for example: information such as MAC layer ID, S-TMSI, C-RNTI, etc.;
step 5: the remote terminal sends a reconfiguration request to the base station, wherein the reconfiguration request carries identification information of the relay terminal 2, for example: information such as MAC layer ID, S-TMSI, C-RNTI, etc.;
step 6: the base station identifies a new relay terminal 2 of the remote terminal and sends a reconfiguration request to the relay terminal 2, wherein the reconfiguration request carries information such as bearer mapping, PC5 link configuration and the like;
step 7: the base station sends reconfiguration information to the far-end terminal and carries an instruction of switching to the relay terminal 2;
step 8: the base station sends a PC5 release instruction to the relay terminal 1;
step 9: the relay terminal 1 feeds back the SN of the data which is not successfully transmitted to the remote terminal to the base station;
step 10: the base station transmits data to the remote terminal through the relay terminal 2.
Therefore, the embodiment of the invention can select the link based on the measurement result and the service condition of the remote terminal, can realize the service continuity in the side link relay scene and improve the network coverage.
In addition, the embodiment of the invention also executes the rapid data retransmission operation for the unsuccessfully transmitted data in the link, further improves the network coverage and the service continuity in the mobile scene, and improves the user experience.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (20)
1. A method of processing, the method being applied to a base station and comprising:
receiving measurement results, reported by a first terminal, about an interface between terminals and a Uu interface between the terminals and a base station;
and determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
2. The method according to claim 1, characterized in that the method further comprises:
transmitting a Radio Resource Control (RRC) reconfiguration message to the first terminal; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
3. The method according to claim 1, characterized in that the method further comprises:
and sending the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information to the relay device.
4. The method according to claim 1, characterized in that the method further comprises:
and receiving a link failure indication or a link recovery indication sent by the relay equipment and/or receiving Serial Number (SN) information of data which is sent by the relay equipment and is not successfully transmitted to the first terminal.
5. The method according to claim 1, characterized in that the method further comprises:
and executing data retransmission operation on the unsuccessfully transmitted data in the link.
6. The method according to claim 1, characterized in that the method further comprises:
receiving a first message sent by a relay device; the first message carries identification information of a first terminal;
sending a second message to the new relay device; the second message carries a bearer map and PC5 link configuration information.
7. The method according to claim 1, characterized in that the method further comprises:
receiving a third message sent by the first terminal; the third message carries the identification information of the new relay equipment;
sending a fourth message to the new relay device; the fourth message carries bearer mapping and PC5 link configuration information.
8. The method of claim 3, 4, 6 or 7, wherein the relay device is: a second terminal or a network device.
9. A processing method, wherein the method is applied to a first terminal, and comprises:
reporting measurement results related to an interface between terminals and Uu interface between the terminals and the base station to the base station, wherein the measurement results and/or current service information are used for determining to simultaneously reserve a direct link and a relay link, suspending the relay link, releasing the relay link or switching between the direct link and the relay link by the base station.
10. The method of claim 9, wherein the method further comprises:
receiving a Radio Resource Control (RRC) reconfiguration message sent by the base station; wherein, the liquid crystal display device comprises a liquid crystal display device,
the RRC reconfiguration message carries an indication of simultaneously reserving a direct link and a relay link, or carries an indication of suspending the relay link, or carries an indication of releasing the relay link, or carries an indication of switching between the direct link and the relay link.
11. The method of claim 9, wherein the method further comprises:
transmitting a third message to the base station; the third message carries identification information of the new relay device.
12. A processing method, wherein the method is applied to a relay device, and comprises:
and receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
13. The method of claim 12, wherein the method further comprises:
and sending a link failure indication or a link recovery indication and/or Sequence Number (SN) information of data which is not successfully transmitted to the first terminal to the base station.
14. The method of claim 12, wherein the method further comprises:
sending a first message to the base station; the first message carries identification information of a first terminal;
receiving a second message sent by the base station; the second message carries bearer mapping and PC5 link configuration information; and the message is sent when the base station determines that the first terminal relays through the relay equipment.
15. The method of claim 12, wherein the method further comprises:
receiving a fourth message sent by the base station; the fourth message carries bearer mapping and PC5 link configuration information; wherein, the liquid crystal display device comprises a liquid crystal display device,
and the fourth message is sent when the base station determines that the first terminal relays through the relay equipment.
16. A processing apparatus, the apparatus being for use in a base station, comprising:
the first transceiver module is used for receiving measurement results, reported by the first terminal, about an interface between terminals and a Uu interface between the terminals and the base station;
and the processing module is used for determining to simultaneously reserve the direct link and the relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement result and/or the current service information.
17. A processing apparatus, the apparatus being applied to a first terminal, comprising:
and the second transceiver module is used for feeding back measurement results of an interface between terminals and a Uu interface between the terminals and the base station to the base station, and is used for determining to simultaneously reserve a direct link and a relay link, suspend the relay link, release the relay link or switch between the direct link and the relay link based on the measurement results and/or current service information.
18. A processing apparatus, the apparatus being applied to a relay device, comprising:
and the third transceiver module is used for receiving the suspending relay link indication information, releasing the relay link indication information or recovering the relay link indication information sent by the base station.
19. A processing apparatus, the apparatus comprising: a processor and a memory for storing a computer program capable of running on the processor,
wherein the processor is adapted to perform the steps of the method of any of claims 1-8, or the steps of the method of any of claims 9-11, or the steps of the method of any of claims 12-15, when the computer program is run.
20. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any one of claims 1-8, or the steps of the method of any one of claims 9-11, or the steps of the method of any one of claims 12-15.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325277.8A CN116112991A (en) | 2021-11-10 | 2021-11-10 | Processing method, processing device and computer readable storage medium |
| PCT/CN2022/131178 WO2023083266A1 (en) | 2021-11-10 | 2022-11-10 | Processing method and apparatus, and computer readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111325277.8A CN116112991A (en) | 2021-11-10 | 2021-11-10 | Processing method, processing device and computer readable storage medium |
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| CN110720238A (en) * | 2017-05-05 | 2020-01-21 | 中兴通讯股份有限公司 | Method and apparatus for implementing group switching |
| WO2021155526A1 (en) * | 2020-02-06 | 2021-08-12 | Mediatek Singapore Pte. Ltd. | Methods and apparatus of path switch based service continuity for ue-to-network relay |
| CN111901836A (en) * | 2020-02-13 | 2020-11-06 | 中兴通讯股份有限公司 | Link switching method, link switching configuration method, device, communication node and medium |
| CN113453272B (en) * | 2020-03-25 | 2023-11-10 | 维沃移动通信有限公司 | Switching method and device in sidelink relay architecture |
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