CN114026908A - Link failure processing method, device, equipment and storage medium - Google Patents
Link failure processing method, device, equipment and storage medium Download PDFInfo
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Abstract
The present disclosure provides a method, an apparatus, a device and a storage medium for processing link failure, wherein the method comprises: and responding to the sidelink unicast connection wireless link failure of the user equipment, and sending failure information corresponding to the sidelink unicast connection wireless link failure to the network equipment. In the embodiment of the present disclosure, the ue may send failure information of the Uu interface to the network device, and may also send failure information of the SL unicast connection radio link to the network device, so that the network device may optimize the sidelink according to the failure information of the SL unicast connection radio link, or perform other appropriate related processing.
Description
Technical Field
The present disclosure relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, a device, and a storage medium for processing a link failure.
Background
In order to enable operators to perform network optimization better, a Minimum Drive Test (MDT) mechanism is introduced. When a User Equipment (UE) has a link failure, the link failure may be caused by a radio link failure or a handover failure, and the UE may record corresponding failure information. After the UE recovers the connection with the base station, the recorded failure information may be reported to the base station, and the base station may further perform network optimization based on the failure information. In a New Radio (NR) system, a communication interface between a terminal and a base station may be referred to as a Uu interface.
In order to support direct communication between UEs, a Sidelink (Sidelink) communication scheme is introduced. The UE only stores the failure information of the Uu interface, and does not store the failure information on the sildelink, so that the operator cannot optimize for the sildelink.
Disclosure of Invention
In view of the above, the present disclosure provides a link failure processing method, apparatus, device and storage medium.
According to a first aspect of the embodiments of the present disclosure, there is provided a method for link failure processing, where the method is performed by a user equipment, and the method includes:
and responding to the sidelink unicast connection wireless link failure of the user equipment, and sending a failure message corresponding to the sidelink unicast connection wireless link failure to the network equipment.
By adopting the method, the user equipment can send failure information of the Uu interface to the network equipment and also can send failure information of the SL unicast connection wireless link to the network equipment, so that the network equipment can optimize the sidelink according to the failure information of the SL unicast connection wireless link or execute other appropriate related processing.
In one possible embodiment, the failure information includes at least one of:
the service type of the unicast connection is determined according to the service type of the service cell, the failure reason, the identifier of the opposite-end user equipment corresponding to the unicast connection, the failure occurrence position, the failure occurrence time, the identifier of the service cell to which the failure occurs, and the service type corresponding to the unicast connection.
In one possible embodiment, the method further comprises:
determining whether to store the failure information according to a first condition.
In one possible embodiment, the first condition comprises at least one of:
the user equipment is in a set area;
whether the opposite-end user equipment corresponding to the unicast connection is set user equipment or not;
whether the opposite-end user equipment corresponding to the unicast connection belongs to a set user equipment set or not;
and whether the service type corresponding to the unicast connection is a set service type or not.
In one possible embodiment, the method further comprises:
receiving the first condition from the network device, or determining the first condition according to preset information.
In one possible embodiment, the method further comprises:
storing the failure information;
after establishing connection with the network equipment, sending notification information to the network equipment; wherein the notification information is used to indicate that the failure information is stored in the user equipment.
In a possible implementation, the sending notification information to the network device includes:
and responding to the service cell where the user equipment is located to support sidelink, and sending notification information to the network equipment.
In one possible embodiment, the method further comprises:
receiving first indication information from the network device; the first indication information is used for indicating the user equipment to report the failure information.
In one possible embodiment, the method further comprises:
receiving second indication information from the network device; the second indication information is used for indicating the user equipment to report information meeting a second condition in the failure information.
In a possible embodiment, the information meeting the second condition includes at least one of:
the identifier of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
According to a second aspect of the embodiments of the present disclosure, there is provided a method for link failure processing, where the method is performed by a network device, and the method includes:
receiving failure information from the user equipment; wherein the failure information is determined by the user equipment after a sidelink unicast connection radio link failure.
By adopting the method, the network equipment can not only receive the failure information of the Uu interface sent by the user equipment, but also receive the failure information of the SL unicast connection radio link sent by the user equipment, thereby leading the network equipment to optimize the sidelink according to the failure information of the SL unicast connection radio link or execute other appropriate relevant processing.
In one possible embodiment, the failure information includes at least one of:
the service type of the unicast connection is determined according to the service type of the service cell, the failure reason, the identifier of the opposite-end user equipment corresponding to the unicast connection, the failure occurrence position, the failure occurrence time, the identifier of the service cell to which the failure occurs, and the service type corresponding to the unicast connection.
In one possible embodiment, the method further comprises:
sending a first condition to the user equipment; wherein the first condition is to cause the user equipment to determine whether to record the failure information.
In one possible embodiment, the first condition comprises at least one of:
the user equipment is in a set area;
whether the opposite-end user equipment corresponding to the unicast connection is set user equipment or not;
whether the opposite-end user equipment corresponding to the unicast connection belongs to a set user equipment set or not;
and whether the service type corresponding to the unicast connection is a set service type or not.
In one possible embodiment, the method further comprises:
receiving notification information from the user equipment after establishing a connection with the user equipment; wherein the notification information is used to indicate that the failure information is stored in the user equipment.
In one possible embodiment, the notification information is sent by the user equipment in response to a serving cell supporting sidelink in which the user equipment is located.
In one possible embodiment, the method further comprises:
sending first indication information to the user equipment; the first indication information is used for indicating the user equipment to report the failure information.
In one possible embodiment, the method further comprises:
sending second indication information to the user equipment; the second indication information is used for indicating the user equipment to report information meeting a second condition in the failure information.
In a possible embodiment, the information meeting the second condition includes at least one of:
the identifier of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
According to a third aspect of the embodiments of the present disclosure, there is provided a communication apparatus. The communication means may be adapted to perform the steps performed by the user equipment in the first aspect or any of the possible designs of the first aspect. The user equipment may implement the functions of the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.
When the communication apparatus according to the third aspect is implemented by a software module, the communication apparatus may comprise a transceiver module when the communication apparatus according to the third aspect is implemented by a software module, wherein the transceiver module may be used to support the communication apparatus to perform communication.
When the steps of the first aspect are performed, the transceiver module is configured to send, in response to a sidelink unicast connection radio link failure of the user equipment, a failure message corresponding to the sidelink unicast connection radio link failure to the network equipment.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a communication apparatus. The communication apparatus may be adapted to perform the steps performed by the base station device in the second aspect or any of the possible designs of the second aspect. The base station device may implement the functions of the methods through a hardware structure, a software module, or a form of a hardware structure and a software module.
When the communication device of the fourth aspect is implemented by a software module, the communication device may include a transceiver module, where the transceiver module may be used to support the communication device for communication.
When the steps of the second aspect are performed, the transceiver module is configured to receive failure information from the ue; wherein the failure information is determined by the user equipment after a sidelink unicast connection radio link failure.
According to a fifth aspect of embodiments of the present disclosure, there is provided a communication apparatus, comprising a processor and a memory; the memory is used for storing a computer program; the processor is adapted to execute the computer program to implement the first aspect or any one of the possible designs of the first aspect.
According to a sixth aspect of embodiments of the present disclosure, there is provided a communication apparatus comprising a processor and a memory; the memory is used for storing a computer program; the processor is adapted to execute the computer program to implement the second aspect or any one of the possible designs of the second aspect.
According to a seventh aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, in which instructions (or computer program, program) are stored, and when the instructions are called and executed on a computer, the instructions cause the computer to execute the first aspect or any one of the possible designs of the first aspect.
According to an eighth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, in which instructions (or computer program, program) are stored, and when the instructions are called and executed on a computer, the instructions cause the computer to execute any one of the possible designs of the second aspect or the second aspect.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this application, illustrate embodiments of the disclosure and together with the description serve to explain the embodiments of the disclosure and not to limit the embodiments of the disclosure in a non-limiting sense. In the drawings:
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the embodiments of the disclosure and, together with the description, serve to explain the principles of the embodiments of the disclosure.
Fig. 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure;
FIG. 2 is a flow diagram illustrating a method of link failure handling in accordance with an exemplary embodiment;
FIG. 3 is a block diagram illustrating a link failure handling apparatus in accordance with an exemplary embodiment;
FIG. 4 is a block diagram illustrating another link failure handling apparatus in accordance with an exemplary embodiment;
FIG. 5 is a block diagram illustrating another link failure handling apparatus in accordance with an illustrative embodiment;
fig. 6 is a block diagram illustrating another link failure handling apparatus according to an example embodiment.
Detailed Description
Embodiments of the disclosure will now be described with reference to the accompanying drawings and detailed description.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
As shown in fig. 1, the method for handling a link failure according to the embodiment of the present disclosure may be applied to a wireless communication system 100, which may include a user equipment 101 and a network device 102. Wherein the user equipment 101 is configured to support carrier aggregation, the user equipment 101 may be connected to a plurality of carrier units of the network device 102, including one primary carrier unit and one or more secondary carrier units.
It should be understood that the above wireless communication system 100 is applicable to both low frequency and high frequency scenarios. The application scenarios of the wireless communication system 100 include, but are not limited to, a Long Term Evolution (LTE) system, a Frequency Division Duplex (FDD) system, a Time Division Duplex (TDD) system, a Worldwide Interoperability for Microwave Access (WiMAX) communication system, a Cloud Radio Access Network (CRAN) system, a future fifth Generation (5th-Generation, 5G) system, a New Radio (NR) communication system, or a future evolved Public Land Mobile Network (PLMN) system.
The user equipment 101 shown above may be User Equipment (UE), terminal (terminal), access terminal, terminal unit, terminal station, Mobile Station (MS), remote station, remote terminal, mobile terminal (mobile terminal), wireless communication device, terminal agent or user equipment, etc. The user equipment 101 may be capable of radio transceiving, and may be capable of communicating (e.g., wirelessly communicating) with one or more network devices of one or more communication systems and receiving network services provided by the network device 102, where the network device includes but is not limited to the illustrated base station.
The user equipment 101 may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a user equipment in a future 5G network or a user equipment in a future evolved PLMN network, and the like.
For example, network devices 102 include, but are not limited to: a next generation base station (gndeb) in 5G, an evolved node B (eNB) in an LTE system, a Radio Network Controller (RNC), a Node B (NB) in a WCDMA system, a radio controller under a CRAN system, a Base Station Controller (BSC), a Base Transceiver Station (BTS) in a GSM system or a CDMA system, a home base station (e.g., a home evolved node B or a home node B, HNB), a Base Band Unit (BBU), a transmission point (TRP), a Transmission Point (TP), or a mobile switching center, etc.
To support higher transmission rates and higher reliability, a unicast (unicast) connection needs to be established on the sidelink (sl).
After the two UEs establish the unicast connection, one UE may send a rrcreeconfigurationsidelink message to the other UE, which carries the configuration, including the logical channel identity, etc., to the other UE. After sending RRCRECONFITTIDELINK message, starting T400 timer, if receiving RRCRECONFITITUTION COMPLETESIDELINK or RRCRECONFITITUTION FAILURESIDELINK message replied by opposite terminal UE, stopping timer. If the timer times out, the sidelink radio link is triggered to fail, and the PC5-RRC connection and all corresponding sidelink bearers are released.
When a unicast connection is established, a sidelink radio link failure may be triggered by the following events:
1. receiving the notification from the entity of the Sidelink RLC (Radio Link Control, Radio Link Control layer), the UE sends the notification to a certain destination UE until the maximum retransmission number is reached.
2. The T400 timer times out.
3. When receiving the notification from the sidelink MAC (media access control layer) entity, the number of times of continuous loss of feedback of a certain target UE reaches the maximum value.
4. Receiving notification from the sidelink PDCP (Packet Data Convergence Protocol) entity, the integrity check of SL-SRB2 (signaling radio bearer 2) or SL-SRB3 (signaling radio bearer3, signaling radio bearer 3) fails.
The embodiment of the disclosure provides a link failure processing method. Fig. 2 is a flow diagram illustrating a method of link failure handling, according to an example embodiment, as shown in fig. 2, the method including:
step S21, in response to the sidelink unicast connection radio link failure of the user equipment 101, the user equipment 101 sends failure information corresponding to the sidelink unicast connection radio link failure to the network equipment 102.
Step S22, the network device 102 receives failure information from the user device 101; wherein the failure information is determined by the user equipment 101 after the sidelink unicast connection radio link fails.
In the embodiment of the present disclosure, in addition to sending the failure information of the Uu interface to the network device, the user equipment 101 may also send the SL unicast connection radio link failure information to the network device 102, so that the network device 102 may optimize the sidelink according to the SL unicast connection radio link failure information, or perform other appropriate related processing.
The embodiment of the disclosure provides a link failure processing method, which is executed by a user equipment 101. This user equipment 101 may be a relay UE or a remote UE supporting a sidelink. The method comprises the following steps:
step S3-1, in response to the sidelink unicast connection radio link failure of the user equipment 101, the user equipment 101 sends failure information corresponding to the sidelink unicast connection radio link failure to the network equipment 102.
In a possible embodiment, the user equipment 101 establishes a unicast connection of the sidelink SL with another user equipment.
In the embodiment of the present disclosure, the user equipment 101 sends the SL unicast connection radio link failure information to the network equipment 102, so that the network equipment 102 may optimize the sidelink according to the SL unicast connection radio link failure information, or perform other appropriate related processing.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. This method includes step S3-1, and:
the failure information includes at least one of: the failure reason, the identifier of the opposite-end user equipment corresponding to the unicast connection, the failure occurrence position, the failure occurrence time, the identifier of the serving cell to which the failure occurs, and the service type corresponding to the unicast connection.
In one possible embodiment, the failure cause comprises a radio link failure.
In one example, the cause of the radio link failure includes reaching a maximum number of retransmissions for the RLC.
In one example, the cause of the radio link failure includes a T400 timer timeout.
In one example, the cause of the radio link failure includes a maximum number of consecutive losses of feedback.
In one example, the cause of the radio link failure includes an integrity check failure.
In a possible implementation, the identity of the peer ue may include a cell radio network temporary identity (C-RNTI) or a sidelink layer 2 identity. Wherein the layer 2 identification may correspond to a layer 2 address in the sidelink communications.
In a possible embodiment, the failure occurrence location may include: the location of the failed geographic coordinate, or the identity of the serving cell corresponding to the failed location, or whether the failed location is in network coverage.
In a possible implementation, the service types may include services corresponding to different identifications or service codes.
In an example, the different identities include different Quality of Service (QoS) identities.
In one example, the service code includes a car networking service, a public safety service, or a relay service.
In the embodiment of the present disclosure, the user equipment 101 sends multiple types of failure information related to the SL unicast connection radio link failure to the network equipment 102, so that the network equipment 102 optimizes the sidelink in different aspects according to different information.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. This method includes step S3-1, and further includes: determining whether to store the failure information according to a first condition.
In a possible embodiment, between the step S3-2 and the step S3-3, the method further includes: determining whether to store the failure information according to a first condition.
In a possible embodiment, the first condition comprises at least one of:
the user equipment 101 is in a set area;
whether the opposite-end user equipment corresponding to the unicast connection is set user equipment or not;
whether the opposite-end user equipment corresponding to the unicast connection belongs to a set user equipment set or not;
and whether the service type corresponding to the unicast connection is the set service type or not.
In a possible embodiment, the set area is defined by geographical coordinates.
In an example, the user device 101 being in the set area may be: the user equipment 101 is within a set geographical coordinate range.
In one possible embodiment, the set area is a set serving cell of the coverage.
In an example, the user device 101 being in the set area may be: the user equipment 101 is in a set serving cell under network coverage.
In a possible embodiment, a setting user equipment refers to a user equipment with a setting identifier.
In an example, the user equipment is set to have a set C-RNTI.
In an example, a user equipment is set with a sidelink layer 2 identity set.
In a possible embodiment, setting a service type may refer to a service type having a set identification or code.
In one example, a provisioned traffic type refers to traffic having a provisioned QoS identifier.
In one example, a provisioned service type refers to a service having a provisioned service code.
In the embodiment of the present disclosure, the user equipment 101 does not need to store all the failure information, but only stores the failure information meeting the first condition, so as to send more valuable failure information to the network equipment 102, which is beneficial to the network equipment 102 to perform more effective optimization on sidelink.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. This method includes step S3-1, and further includes: the first condition is received from the network device 102 or determined according to preset information. Whether to store the failure information is determined according to a first condition.
In a possible embodiment, the first condition may be that the network device 102 configures and sends to the user equipment 101, or obtained through preconfigured preset information.
In the embodiment of the present disclosure, the user equipment 101 may receive the first condition from the network equipment, so as to send failure information required by the network equipment to the network equipment 102.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. This method includes step S3-1, and further includes:
storing failure information;
after establishing connection with the network device 102, sending notification information to the network device 102; the notification information is used to indicate that the user equipment 101 stores failure information.
In one possible implementation, sending notification information to the network device 102 includes:
in response to the serving cell where the user equipment 101 is located supporting sidelink, notification information is sent to the network equipment 102.
In the embodiment of the present disclosure, after storing the failure information, the user equipment 101 notifies the network equipment 102 of the information that the failure information has been stored, so that the network equipment 102 determines whether to acquire the failure information according to its needs.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. This method includes step S3-1, and further includes:
receiving first indication information from the network device 102; the first indication information is used for indicating the user equipment 101 to report failure information.
In a possible implementation, after the user equipment 101 sends the notification message indicating that the failure information is stored to the network equipment 102, the network equipment 102 may send the first indication information to the user equipment 101.
In the embodiment of the present disclosure, after notifying the network device 102 that the failure information is stored, the user device 101 may report the failure information in time when the network device 102 needs to acquire the failure information according to the requirement of the network device 102.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. This method includes step S3-1, and further includes:
receiving second indication information from the network device 102; the second indication information is used for indicating the user equipment 101 to report information meeting the second condition in the failure information.
In a possible embodiment, the information complying with the second condition includes at least one of:
the identifier of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
In a possible implementation, the identity of the peer user equipment may be a C-RNTI or sidelink layer 2 identity that meets the requirements.
In a possible embodiment, the failure occurrence location may be a satisfactory geographical location or a serving cell location under network coverage.
In a possible embodiment, the service type corresponding to the unicast connection may be a service type that meets the QoS identification requirement or the service code requirement.
In the embodiment of the present disclosure, according to the second indication information of the network device 102, the user equipment 101 may selectively report the failure information meeting the requirement, so as to improve the efficiency of the network device 102 in processing the failure information and improve the efficiency in optimizing the sidelink.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the network device 102. The method comprises the following steps:
step S4-1, the network device 102 receives failure information from the user equipment 101; wherein the failure information is determined by the user equipment 101 after the sidelink unicast connection radio link fails.
In the embodiment of the present disclosure, the network device 102 may receive not only the failure information of the Uu interface sent by the user device 101, but also the failure information of the SL unicast connection radio link sent by the user device 101, so that the network device 102 may optimize the sidelink according to the failure information of the SL unicast connection radio link, or perform other appropriate related processing.
The embodiment of the disclosure provides a link failure processing method, which is executed by the network device 102. This method includes step S4-1, and:
the failure information includes at least one of:
the failure reason, the identifier of the opposite-end user equipment corresponding to the unicast connection, the failure occurrence position, the failure occurrence time, the identifier of the serving cell to which the failure occurs, and the service type corresponding to the unicast connection.
In the embodiment of the present disclosure, the network device 102 adaptively optimizes the sidelink in different aspects according to a plurality of types of failure information sent by the user equipment 101, so that different failure information can be processed in a targeted manner.
The embodiment of the disclosure provides a link failure processing method, which is executed by the network device 102. The method includes a step S4-1, and before the step S4-1, the method further includes:
the network device 102 transmits a first condition to the user device 101, wherein the first condition is used for the user device 101 to determine whether to record failure information.
In a possible embodiment, the first condition comprises at least one of:
the user equipment 101 is in a set area;
whether the opposite-end user equipment corresponding to the unicast connection is set user equipment or not;
whether the opposite-end user equipment corresponding to the unicast connection belongs to a set user equipment set or not;
and whether the service type corresponding to the unicast connection is the set service type or not.
In the embodiment of the present disclosure, the network device 102 may receive the failure information that is sent by the user equipment 101 and subjected to the first condition screening, where the failure information is more valuable and is helpful for the network device 102 to perform more effective optimization on sidelink.
The embodiment of the disclosure provides a link failure processing method, which is executed by the network device 102. The method includes a step S4-1, and before the step S4-1, the method further includes:
after establishing a connection with the user equipment 101, notification information is received from the user equipment 101, wherein the notification information is used for indicating that the user equipment stores failure information.
In a possible embodiment, the notification information is sent by the user equipment 101 in response to the serving cell supporting sidelink in which the user equipment 101 is located.
In the embodiment of the present disclosure, the network device 102 receives the notification message of the user equipment 101, and can know that the user equipment 101 stores the failure information, and the network device 102 can determine whether to acquire or when to acquire the failure message according to needs.
The embodiment of the disclosure provides a link failure processing method, which is executed by the network device 102. The method includes a step S4-1, and before the step S4-1, the method further includes:
the network device 102 sends first indication information to the user equipment 101, where the first indication information is used to indicate that the user equipment reports failure information.
In the embodiment of the present disclosure, after knowing that the user equipment 101 stores the failure information, the network equipment 102 may instruct the user to report the failure information when needed.
The embodiment of the disclosure provides a link failure processing method, which is executed by the network device 102. The method includes a step S4-1, and before the step S4-1, the method further includes:
the network device 102 sends second indication information to the user device 101, where the second indication information is used to indicate that the user device reports information meeting a second condition in the failure information.
In a possible embodiment, the information complying with the second condition includes at least one of:
the identifier of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
In the embodiment of the present disclosure, the network device 102 sends the second indication information, so that the user equipment 101 selectively reports the failure information meeting the requirement, thereby improving the efficiency of the network device 102 in processing the failure information and improving the efficiency of optimizing the sidelink.
Based on the same concept as the above method embodiment, the present disclosure also provides a communication device, which may have the functions of the user equipment 101 in the above method embodiment and is used to execute the steps performed by the user equipment 101 provided by the above embodiment. The function can be realized by hardware, and can also be realized by software or hardware to execute corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.
In a possible implementation manner, the communication apparatus 300 shown in fig. 3 may serve as the user equipment 101 according to the foregoing method embodiment, and perform the steps performed by the user equipment 101 in the foregoing method embodiment. As shown in fig. 3, the communication device 300 may include a transceiver module 301. The transceiver module 301 may be used to support the communication device 300 for communication, and the transceiver module 301 may have a wireless communication function, for example, capable of performing wireless communication with other communication devices through a wireless air interface.
When the steps implemented by the user equipment 101 are executed, the transceiving module 301 is configured to, in response to a sidelink unicast connection radio link failure of the user equipment 101, send a failure message corresponding to the sidelink unicast connection radio link failure to the network device 102.
When the communication device is a user equipment 101, the structure thereof can also be as shown in fig. 4. The apparatus 400 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
Referring to fig. 4, the apparatus 400 may include one or more of the following components: processing components 402, memory 404, power components 406, multimedia components 408, audio components 410, input/output (I/O) interfaces 412, sensor components 414, and communication components 416.
The processing component 402 generally controls overall operation of the apparatus 400, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 402 may include one or more processors 420 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 402 can include one or more modules that facilitate interaction between the processing component 402 and other components. For example, the processing component 402 can include a multimedia module to facilitate interaction between the multimedia component 408 and the processing component 402.
The memory 404 is configured to store various types of data to support operations at the device 400. Examples of such data include instructions for any application or method operating on the device 400, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 404 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The multimedia component 408 includes a screen that provides an output interface between the device 400 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 408 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 400 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 410 is configured to output and/or input audio signals. For example, audio component 410 includes a Microphone (MIC) configured to receive external audio signals when apparatus 400 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 404 or transmitted via the communication component 416. In some embodiments, audio component 410 also includes a speaker for outputting audio signals.
The I/O interface 412 provides an interface between the processing component 402 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 414 includes one or more sensors for providing various aspects of status assessment for the apparatus 400. For example, the sensor component 414 can detect the open/closed state of the device 400, the relative positioning of components, such as a display and keypad of the apparatus 400, the sensor component 414 can also detect a change in the position of the apparatus 400 or a component of the apparatus 400, the presence or absence of user contact with the apparatus 400, orientation or acceleration/deceleration of the apparatus 400, and a change in the temperature of the apparatus 400. The sensor assembly 414 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 414 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 416 is configured to facilitate wired or wireless communication between the apparatus 400 and other devices. The apparatus 400 may access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof. In an exemplary embodiment, the communication component 416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 416 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 400 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
Based on the same concept as the above method embodiment, the present disclosure also provides a communication device, which may have the function of the base station apparatus 102 in the above method embodiment and may be used to execute the steps performed by the base station apparatus 102 provided in the above method embodiment. The function can be realized by hardware, and can also be realized by software or hardware to execute corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.
In a possible implementation manner, the communication apparatus 500 shown in fig. 5 may serve as the network device 102 according to the foregoing method embodiment, and perform the steps performed by the network device 102 in the foregoing method embodiment. As shown in fig. 5, the communication device 500 may include a transceiver module 501. The transceiver module 501 may be used to support the communication device 500 for communication, and the transceiver module 501 may have a wireless communication function, for example, can perform wireless communication with other communication devices through a wireless air interface.
A transceiver module 501, configured to receive failure information from the user equipment 101 when performing the steps implemented by the network device 102; wherein the failure information is determined by the user equipment 101 after the sidelink unicast connection radio link fails.
When the communication apparatus is a network device, the structure thereof can also be as shown in fig. 6. The structure of the communication apparatus will be described by taking the network device 102 as a base station as an example. As shown in fig. 6, the apparatus 600 includes a memory 601, a processor 602, a transceiver component 603, and a power component 606. The memory 601 is coupled to the processor 602 and can be used for storing programs and data necessary for the communication device 600 to realize various functions. The processor 602 is configured to support the communication apparatus 600 to perform corresponding functions of the above-described methods, which functions can be implemented by calling a program stored in the memory 601. The transceiving component 603 may be a wireless transceiver that may be configured to enable the communications apparatus 600 to receive signaling and/or data and transmit signaling and/or data over a wireless air interface. The transceiver component 603 may also be referred to as a transceiver unit or a communication unit, and the transceiver component 603 may include a radio frequency component 604 and one or more antennas 605, wherein the radio frequency component 604 may be a Remote Radio Unit (RRU), and may be specifically configured to transmit a radio frequency signal and convert the radio frequency signal to a baseband signal, and the one or more antennas 605 may be specifically configured to radiate and receive the radio frequency signal.
When the communication device 600 needs to transmit data, the processor 602 may perform baseband processing on the data to be transmitted, and output a baseband signal to the radio frequency unit, and the radio frequency unit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal in the form of electromagnetic waves through the antenna. When data is transmitted to the communication device 600, the rf unit receives an rf signal through the antenna, converts the rf signal into a baseband signal, and outputs the baseband signal to the processor 602, and the processor 602 converts the baseband signal into data and processes the data.
Other embodiments of the disclosed embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the embodiments of the disclosure following, in general, the principles of the embodiments of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosed embodiments being indicated by the following claims.
It is to be understood that the disclosed embodiments are not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the embodiments of the present disclosure is limited only by the appended claims.
Industrial applicability
The ue may send the failure information of the Uu interface to the network device, and may also send the failure information of the SL unicast connection radio link to the network device. The network device can know the SL unicast connection radio link failure information, so that the network device can optimize the sidelink according to the SL unicast connection radio link failure information, or perform other appropriate related processing.
Claims (25)
1. A method of link failure handling, the method being performed by a user equipment, comprising:
and responding to the sidelink unicast connection wireless link failure of the user equipment, and sending failure information corresponding to the sidelink unicast connection wireless link failure to the network equipment.
2. The method of claim 1, wherein the failure information comprises at least one of:
the service type of the unicast connection is determined according to the service type of the service cell, the failure reason, the identifier of the opposite-end user equipment corresponding to the unicast connection, the failure occurrence position, the failure occurrence time, the identifier of the service cell to which the failure occurs, and the service type corresponding to the unicast connection.
3. The method of claim 1, wherein the method further comprises:
determining whether to store the failure information according to a first condition.
4. The method of claim 3, wherein the first condition comprises at least one of:
the user equipment is in a set area;
whether the opposite-end user equipment corresponding to the unicast connection is set user equipment or not;
whether the opposite-end user equipment corresponding to the unicast connection belongs to a set user equipment set or not;
and whether the service type corresponding to the unicast connection is a set service type or not.
5. The method of claim 3, wherein the method further comprises:
receiving the first condition from the network device, or determining the first condition according to preset information.
6. The method of claim 1, wherein the method further comprises:
storing the failure information;
after establishing connection with the network equipment, sending notification information to the network equipment; wherein the notification information is used to indicate that the failure information is stored in the user equipment.
7. The method of claim 6, wherein said sending notification information to the network device comprises:
and responding to the service cell where the user equipment is located to support sidelink, and sending notification information to the network equipment.
8. The method of claim 1, wherein,
the method further comprises the following steps:
receiving first indication information from the network device; the first indication information is used for indicating the user equipment to report the failure information.
9. The method of claim 1, wherein,
the method further comprises the following steps:
receiving second indication information from the network device; the second indication information is used for indicating the user equipment to report information meeting a second condition in the failure information.
10. The method of claim 9, wherein,
the information meeting the second condition includes at least one of:
the identifier of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
11. A method of link failure handling, the method being performed by a network device, comprising:
receiving failure information from the user equipment; wherein the failure information is determined by the user equipment after a sidelink unicast connection radio link failure.
12. The method of claim 11, wherein,
the failure information includes at least one of:
the service type of the unicast connection is determined according to the service type of the service cell, the failure reason, the identifier of the opposite-end user equipment corresponding to the unicast connection, the failure occurrence position, the failure occurrence time, the identifier of the service cell to which the failure occurs, and the service type corresponding to the unicast connection.
13. The method of claim 11, wherein,
the method further comprises the following steps:
sending a first condition to the user equipment; wherein the first condition is to cause the user equipment to determine whether to record the failure information.
14. The method of claim 13, wherein,
the first condition includes at least one of:
the user equipment is in a set area;
whether the opposite-end user equipment corresponding to the unicast connection is set user equipment or not;
whether the opposite-end user equipment corresponding to the unicast connection belongs to a set user equipment set or not;
and whether the service type corresponding to the unicast connection is a set service type or not.
15. The method of claim 11, wherein,
the method further comprises the following steps:
receiving notification information from the user equipment after establishing a connection with the user equipment; wherein the notification information is used to indicate that the failure information is stored in the user equipment.
16. The method of claim 15, wherein,
the notification information is sent by the user equipment in response to a serving cell supporting sidelink in which the user equipment is located.
17. The method of claim 11, wherein,
the method further comprises the following steps:
sending first indication information to the user equipment; the first indication information is used for indicating the user equipment to report the failure information.
18. The method of claim 11, wherein,
the method further comprises the following steps:
sending second indication information to the user equipment; the second indication information is used for indicating the user equipment to report information meeting a second condition in the failure information.
19. The method of claim 18, wherein,
the information meeting the second condition includes at least one of:
the identifier of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
20. A communication device, comprising:
and the receiving and sending module is used for responding to the sidelink unicast connection wireless link failure of the user equipment and sending a failure message corresponding to the sidelink unicast connection wireless link failure to the network equipment.
21. A communication device, comprising:
a transceiving module for receiving failure information from a user equipment; wherein the failure information is determined by the user equipment after a sidelink unicast connection radio link failure.
22. A communication device comprising a processor and a memory;
the memory is used for storing a computer program;
the processor is adapted to execute the computer program to implement the method of any of claims 1-10.
23. A communication device comprising a processor and a memory;
the memory is used for storing a computer program;
the processor is adapted to execute the computer program to implement the method of any of claims 11-19.
24. A computer-readable storage medium having instructions stored therein, which when invoked for execution on a computer, cause the computer to perform the method of any one of claims 1-10.
25. A computer-readable storage medium having instructions stored therein, which when invoked for execution on a computer, cause the computer to perform the method of any one of claims 11-19.
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|---|---|---|---|
| PCT/CN2021/122336 WO2023050368A1 (en) | 2021-09-30 | 2021-09-30 | Link failure processing method and apparatus, and device and storage medium |
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| CN114026908A true CN114026908A (en) | 2022-02-08 |
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| CN114026908B (en) | 2024-02-09 |
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