CN114026908B - 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
Abstract
The present disclosure provides a method, an apparatus, a device, and a storage medium for processing link failure, where the method includes: and responding to the wireless link failure of the sidelink unicast connection of the user equipment, and sending failure information corresponding to the wireless link failure of the sidelink unicast connection to the network equipment. In the embodiment of the disclosure, the user equipment may send the failure information of the Uu interface to the network equipment, and may also send the failure information of the SL unicast connection radio link to the network equipment, so that the network equipment 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 disclosure relates to the technical field of wireless communication, and in particular relates to a link failure processing method, device, equipment and storage medium.
Background
In order for operators to be better able to perform network optimization, a minimum drive test mechanism (Minimum Drive Test, MDT) is introduced. When a User Equipment (UE) fails a link, the cause of the link failure may be a radio link failure or a handover failure, and the UE may record corresponding failure information. After the UE resumes the connection with the base station, the recorded failure information may be reported to the base station, which 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.
To support direct communication between UEs, sidelink (sidlink) communication is introduced. The UE only stores failure information of Uu interface, but does not store failure information on the sip link, so that the operator cannot optimize for the sip link.
Disclosure of Invention
In view of this, the present disclosure provides a link failure processing method, device, apparatus and storage medium.
According to a first aspect of the embodiments of the present disclosure, there is provided a method of link failure processing, the method being performed by a user equipment, wherein the method includes:
and responding to the wireless link failure of the sidelink unicast connection of the user equipment, and sending a failure message corresponding to the wireless link failure of the sidelink unicast connection to the network equipment.
By adopting the method, the user equipment can send the failure information of the Uu interface to the network equipment and also can send the SL unicast connection radio link failure information to the network equipment, so that the network equipment can optimize the sidelink according to the SL unicast connection radio link failure information or execute other proper related processing.
In one possible implementation, the failure information includes at least one of:
The method comprises the steps of failure reasons, identification of opposite end user equipment corresponding to unicast connection, failure occurrence position, failure occurrence time, identification of a service cell to which the failure occurs, and service type corresponding to the unicast connection.
In one possible embodiment, the method further comprises:
and determining whether to store the failure information according to a first condition.
In one possible embodiment, 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;
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:
and receiving the first condition from the network equipment, 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; the notification information is used for indicating that the user equipment stores the failure information.
In a possible implementation manner, the sending notification information to the network device includes:
and responding to the service cell supporting sidelink where the user equipment is located, 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 the information meeting the second condition in the failure information.
In one possible embodiment, the information meeting the second condition includes at least one of the following:
the identification 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 of link failure handling, the method being performed by a network device, comprising:
receiving failure information from a user equipment; the failure information is determined by the user equipment after the wireless link of the sidelink unicast connection fails.
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 SL unicast connection wireless link failure information sent by the user equipment, so that the network equipment can optimize the sidelink according to the SL unicast connection wireless link failure information or execute other proper related processing.
In one possible implementation, the failure information includes at least one of:
the method comprises the steps of failure reasons, identification of opposite end user equipment corresponding to unicast connection, failure occurrence position, failure occurrence time, identification of a service cell to which the failure occurs, and service type corresponding to the unicast connection.
In one possible embodiment, the method further comprises:
transmitting a first condition to the user equipment; wherein the first condition is for the user equipment to determine whether to record the failure information.
In one possible embodiment, 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;
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:
after establishing connection with the user equipment, receiving notification information from the user equipment; the notification information is used for indicating that the user equipment stores the failure information.
In one possible implementation, the notification information is sent by the ue in response to a serving cell supporting sidelink in which the ue 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:
transmitting second indication information to the user equipment; the second indication information is used for indicating the user equipment to report the information meeting the second condition in the failure information.
In one possible embodiment, the information meeting the second condition includes at least one of the following:
the identification 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 embodiments of the present disclosure, a communication apparatus is provided. The communication apparatus 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 in the methods described above in the form of hardware structures, software modules, or both.
When the communication device of the third aspect is implemented by a software module, the communication device of the third aspect may comprise a transceiver module, wherein the transceiver module may be adapted to support the communication device to communicate.
And when the steps in the first aspect are executed, the transceiver module is configured to respond to the sidelink unicast connection radio link failure of the user equipment, and send a failure message corresponding to the sidelink unicast connection radio link failure to the network equipment.
According to a fourth aspect of embodiments of the present disclosure, a communication apparatus is provided. The communication means may be arranged to perform the steps performed by the base station device in the second aspect or any of the possible designs of the second aspect described above. The base station device may implement the functions of the methods described above in the form of a hardware structure, a software module, or a combination of a hardware structure and a software module.
When the communication device according to the fourth aspect is implemented by a software module, the communication device may comprise a transceiver module, wherein the transceiver module may be used to support the communication device to communicate.
A transceiver module for receiving failure information from the user equipment when performing the steps described in the second aspect; the failure information is determined by the user equipment after the wireless link of the sidelink unicast connection fails.
According to a fifth aspect of embodiments of the present disclosure, there is provided a communication device comprising a processor and a memory; the memory is used for storing a computer program; the processor is configured 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 device comprising a processor and a memory; the memory is used for storing a computer program; the processor is configured 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 embodiments of the present disclosure, there is provided a computer readable storage medium having stored therein instructions (or computer programs, programs) which when invoked for execution on a computer, cause the computer to perform any one of the possible designs of the first aspect or the first aspect.
According to an eighth aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored therein instructions (or computer programs, programs) which when invoked for execution on a computer, cause the computer to perform any one of the possible designs of the second aspect or the second aspect described above.
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 embodiments of the disclosure 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 unduly. In the drawings:
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with 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 according to an embodiment of the present disclosure;
fig. 2 is a flow chart illustrating a method of link failure handling according to an example embodiment;
Fig. 3 is a block diagram of a link failure handling apparatus according to an exemplary embodiment;
FIG. 4 is a block diagram of another link failure handling apparatus, shown in accordance with an exemplary embodiment;
fig. 5 is a block diagram of another link failure handling apparatus according to an example embodiment;
fig. 6 is a block diagram illustrating another link failure handling apparatus according to an example embodiment.
Detailed Description
Embodiments of the present disclosure will now be further described with reference to the drawings and detailed description.
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
As shown in fig. 1, the method for processing 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 equipment 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 appreciated that the above wireless communication system 100 is applicable to both low frequency and high frequency scenarios. Application scenarios of the wireless communication system 100 include, but are not limited to, long term evolution (long term evolution, LTE) systems, LTE frequency division duplex (frequency division duplex, FDD) systems, LTE time division duplex (time division duplex, TDD) systems, worldwide interoperability for microwave access (worldwide interoperability for micro wave access, wiMAX) communication systems, cloud radio access network (cloud radio access network, CRAN) systems, future fifth Generation (5 th-Generation, 5G) systems, new Radio (NR) communication systems, or future evolved public land mobile network (public land mobile network, PLMN) systems, and the like.
The user equipment 101 shown above may be a User Equipment (UE), a terminal (terminal), an access terminal, a terminal unit, a terminal station, a Mobile Station (MS), a remote station, a remote terminal, a mobile terminal (mobile terminal), a wireless communication device, a terminal agent, a user equipment, or the like. The user device 101 may be provided with wireless transceiver functionality that is 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, including but not limited to the illustrated base station.
The user equipment 101 may be, among other things, a cellular telephone, a cordless telephone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a user equipment in a future 5G network or a user equipment in a future evolved PLMN network, etc.
Network device 102 may be an access network device (or access network site). The access network device refers to a device that provides a network access function, such as a radio access network (radio access network, RAN) base station, etc. The network device may specifically include a Base Station (BS) device, or include a base station device, a radio resource management device for controlling the base station device, and the like. The network device may also include a relay station (relay device), an access point, a base station in a future 5G network, a base station in a future evolved PLMN network, or an NR base station, etc. The network device may be a wearable device or an in-vehicle device. The network device may also be a communication chip with a communication module.
For example, network device 102 includes, but is not limited to: a next generation base station (gnodeB, gNB) in 5G, an evolved node B (eNB) in LTE system, a radio network controller (radio network controller, RNC), a Node B (NB) in WCDMA system, a radio controller under CRAN system, a base station controller (basestation controller, BSC), a base transceiver station (base transceiver station, BTS) in GSM system or CDMA system, a home base station (e.g., home evolved nodeB, or home node B, HNB), a baseband unit (BBU), a transmission point (transmitting and receiving point, TRP), a transmission point (transmitting point, TP), a mobile switching center, or the like.
To support higher transmission rates and higher reliability, unicast (unicasting) connections need to be established over the Sidelink (SL).
After the two UEs establish the unicast connection, one UE may send an rrcrecon configuration sip link message to the other UE, where the configuration carried to the other UE includes a logical channel identification, etc. After sending the RRCRECONDUSTRINGSIDELINK message, starting a T400 timer, and stopping the timer if the RRCRECONDUSTRINGCompleteSideLINK or RRCRECONDUSTRINGFAILURESIDENK message replied by the opposite terminal UE is received. And if the timer is overtime, triggering the sidelink radio link to fail, and releasing the PC5-RRC connection and all corresponding sidelink bearers.
After the unicast connection is established, the sidelink radio link failure may be triggered by the following events:
1. the entity receiving the Sidelink RLC (Radio Link Control, radio Link control layer) informs that the maximum retransmission times are reached for the transmission to a certain destination UE.
2. The T400 timer times out.
3. Upon notification from the sidelink MAC (media access control layer, medium access control layer) entity, the number of consecutive lost feedback times for a given UE reaches a maximum.
4. Upon notification by the sidelink PDCP (Packet Data Convergence Protocol ) entity, the integrity detection of either SL-SRB2 (Signalling radio bearer, signaling radio bearer 2) or SL-SRB3 (Signalling radio bearer, signaling radio bearer 3) fails.
The embodiment of the disclosure provides a link failure processing method. Fig. 2 is a flow chart illustrating a link failure handling method according to an exemplary embodiment, as shown in fig. 2, the method comprising:
in step S21, in response to the sidelink unicast connection radio link failure of the user equipment 101, the user equipment 101 transmits 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 wireless link failure of the sidelink unicast connection.
In the embodiment of the disclosure, the ue 101 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 102, 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 correlation processing.
The disclosed embodiments provide a link failure processing method, which is performed by the user equipment 101. This user equipment 101 may be a relay UE or a remote UE supporting a side-link. The method comprises the following steps:
in step S3-1, in response to the sidelink unicast connection radio link failure of the user equipment 101, the user equipment 101 transmits failure information corresponding to the sidelink unicast connection radio link failure to the network equipment 102.
In a possible implementation, the user equipment 101 establishes a unicast connection of the side-link SL with another user equipment.
In the disclosed embodiment, the ue 101 sends the SL unicast link failure information to the network device 102, so that the network device 102 may optimize the sidelink according to the SL unicast link failure information, or perform other appropriate correlation processing.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. The method comprises the steps of S3-1, and:
the failure information includes at least one of: the method comprises the steps of failure reasons, identification of opposite end user equipment corresponding to unicast connection, failure occurrence position, failure occurrence time, identification of a service cell to which the failure occurs, and service type corresponding to the unicast connection.
In one possible implementation, the failure cause includes a radio link failure.
In an example, the cause of the radio link failure includes reaching a maximum number of retransmissions of the RLC.
In an example, the cause of the radio link failure includes the T400 timer expiring.
In one example, the cause of the radio link failure includes the number of consecutive losses of feedback reaching a maximum.
In an example, the cause of the radio link failure includes an integrity check failure.
In a possible implementation, the identifier of the peer ue may include a cell radio network temporary identifier (C-RNTI) or a sidelink layer 2 identifier. Wherein the layer 2 identification may correspond to a layer 2 address in the side-link communication.
In one possible embodiment, the failure occurrence location may include: the location of the failed geographic coordinates occurs, or the corresponding cell identity at the failed location occurs, or whether the failed location is in network coverage.
In a possible embodiment, the service types may include services corresponding to different identifications or service codes.
In an example, the different identities include different quality of service (Service of Quality, 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 disclosure, the user equipment 101 sends various 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 according to different information in different aspects.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. The method includes step S3-1, and further includes: and determining whether to store the failure information according to a first condition.
In one possible embodiment, between step S3-2 and step S3-3 further comprises: and determining whether to store the failure information according to a first condition.
In one possible embodiment, the first condition includes at least one of:
the user equipment 101 is in the setting area;
whether the opposite end user equipment corresponding to the unicast connection is set user equipment or not;
whether opposite end user equipment corresponding to unicast connection belongs to a set user equipment set;
Whether the service type corresponding to the unicast connection is the set service type.
In one possible embodiment, the set area is defined by geographic coordinates.
In an example, the user equipment 101 being in the set area may be: the user equipment 101 is within a set geographical coordinate range.
In one possible implementation, the set area is a covered set serving cell.
In an example, the user equipment 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, the set user equipment refers to a user equipment with a set identifier.
In an example, the set user equipment has a set C-RNTI.
In one example, the set user equipment has a set sidelink layer 2 identity.
In one possible implementation, setting a traffic type may refer to a traffic type with a set identification or code.
In one example, the set traffic type refers to traffic with a set QoS identification.
In one example, the set service type refers to a service having a set service code.
In the embodiment of the 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 helpful for the network equipment 102 to perform more effective optimization on the sidelink.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. The method includes step S3-1, and further includes: the first condition is received from the network device 102 or determined according to preset information. And determining whether to store the failure information according to the first condition.
In a possible implementation, the first condition may be that the network device 102 configures and transmits to the user device 101, or is obtained through preset information that is preconfigured.
In the embodiment of the present disclosure, the user equipment 101 may receive the first condition from the network equipment, so as to transmit 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. The method includes step S3-1, and further includes:
storing failure information;
after establishing a 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 supporting sidelink in which the user equipment 101 is located, notification information is sent to the network equipment 102.
In the embodiment of the present disclosure, after storing the failure information, the user device 101 notifies the network device 102 of the information in which the failure information is stored, so that the network device 102 decides whether to acquire the failure information according to its requirement.
The embodiment of the disclosure provides a link failure processing method. This method is performed by the user equipment 101. The method includes step S3-1, and further includes:
receiving first indication information from the network device 102; the first indication information is used to indicate the user equipment 101 to report the failure information.
In a possible implementation, after the user equipment 101 sends a notification message to the network equipment 102 for indicating that failure information is stored, the network equipment 102 may send 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 in the user device 101, the user device may report the failure information in time when the network device 102 needs to obtain 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. The 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 the information meeting the second condition in the failure information.
In one possible embodiment, the information meeting the second condition includes at least one of:
the identification of opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
In one possible implementation, the identity of the peer user equipment may be a satisfactory C-RNTI or sidelink layer 2 identity.
In one possible implementation, the failure occurrence location may be a satisfactory geographic location or a serving cell location under network coverage.
In a possible implementation, the service type corresponding to the unicast connection may be a service type meeting the QoS identification requirement or the service code requirement.
In this embodiment of the present disclosure, according to the second indication information of the network device 102, the user device 101 may selectively report failure information meeting the requirements, so as to improve efficiency of processing the failure information by the network device 102 and efficiency of 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 device 101; wherein the failure information is determined by the user equipment 101 after the wireless link failure of the sidelink unicast connection.
In the embodiment of the disclosure, the network device 102 may not only receive the failure information of the Uu interface sent by the user device 101, but also receive the SL unicast connection radio link failure information sent by the user device 101, 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.
Embodiments of the present disclosure provide a link failure handling method that is performed by network device 102. The method includes the steps of S4-1, and:
the failure information includes at least one of:
the method comprises the steps of failure reasons, identification of opposite end user equipment corresponding to unicast connection, failure occurrence position, failure occurrence time, identification of a service cell to which the failure occurs, and service type corresponding to the unicast connection.
In the embodiment of the present disclosure, the network device 102 adaptively optimizes the sidelink according to various failure information sent by the user device 101, so as to be capable of processing different failure information in a targeted manner.
Embodiments of the present disclosure provide a link failure handling method that is performed by network device 102. The method includes a step S4-1, and the method further includes, before the step S4-1:
The network device 102 sends a first condition to the user device 101, wherein the first condition is for the user device 101 to determine whether to record failure information.
In one possible embodiment, the first condition includes at least one of:
the user equipment 101 is in the setting area;
whether the opposite end user equipment corresponding to the unicast connection is set user equipment or not;
whether opposite end user equipment corresponding to unicast connection belongs to a set user equipment set;
whether the service type corresponding to the unicast connection is the set service type.
In the embodiment of the present disclosure, the network device 102 may receive the failure information that is sent by the user device 101 and is subjected to the first condition screening, where the failure information is more valuable, and helps the network device 102 to more effectively optimize the sidelink.
Embodiments of the present disclosure provide a link failure handling method that is performed by network device 102. The method includes a step S4-1, and the method further includes, before the step S4-1:
after establishing a connection with the user equipment 101, notification information is received from the user equipment 101, wherein the notification information is used to indicate that the user equipment stores failure information.
In a possible implementation, the notification information is sent by the user equipment 101 in response to a serving cell support sidelink where the user equipment 101 is located.
In the embodiment of the present disclosure, the network device 102 receives the notification message of the user device 101, and can learn that the user device 101 stores failure information, and the network device 102 can determine whether to acquire or when to acquire the failure message according to the need.
Embodiments of the present disclosure provide a link failure handling method that is performed by network device 102. The method includes a step S4-1, and the method further includes, before the step S4-1:
the network device 102 sends first indication information to the user device 101, where the first indication information is used to instruct the user device to report 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.
Embodiments of the present disclosure provide a link failure handling method that is performed by network device 102. The method includes a step S4-1, and the method further includes, before the step S4-1:
the network device 102 sends second indication information to the user device 101, where the second indication information is used to indicate the user device to report information meeting a second condition in the failure information.
In one possible embodiment, the information meeting the second condition includes at least one of:
The identification of opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
In this embodiment of the present disclosure, the network device 102 sends the second indication information, so that the user device 101 selectively reports the failure information meeting the requirements, thereby improving the efficiency of the network device 102 in processing the failure information and improving the efficiency of the sidelink optimization.
Based on the same concept as the above method embodiments, the present disclosure also provides a communication apparatus that may have the function of the user equipment 101 in the above method embodiments and is configured to perform the steps performed by the user equipment 101 provided in the above embodiments. The functions may be implemented by hardware, or may be implemented by software or hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.
In a possible implementation, the communication apparatus 300 as shown in fig. 3 may be used as the user equipment 101 according to the above-described method embodiment, and perform the steps performed by the user equipment 101 in the above-described 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 to perform communication, and the transceiver module 301 may have a wireless communication function, for example, to perform wireless communication with other communication devices through a wireless air interface.
In performing the steps implemented by the user equipment 101, the transceiver module 301 is configured to send, in response to a sidelink unicast connection radio link failure of the user equipment 101, a failure message corresponding to the sidelink unicast connection radio link failure to the network equipment 102.
When the communication device is a user equipment 101, its structure may also be as shown in fig. 4. The apparatus 400 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 4, apparatus 400 may include one or more of the following components: a processing component 402, a memory 404, a power supply component 406, a multimedia component 408, an audio component 410, an input/output (I/O) interface 412, a sensor component 414, and a communication component 416.
The processing component 402 generally controls the 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 part 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 may include a multimedia module to facilitate interaction between the multimedia component 408 and the processing component 402.
Memory 404 is configured to store various types of data to support operations at device 400. Examples of such data include instructions for any application or method operating on the apparatus 400, contact data, phonebook data, messages, pictures, videos, and the like. The memory 404 may be implemented by any type or combination of volatile or nonvolatile 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 disk.
The power supply component 406 provides power to the various components of the apparatus 400. The power supply components 406 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 400.
The multimedia component 408 includes a screen between the device 400 and the user that provides an output interface. 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 input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 408 includes a front camera and/or a rear camera. The front camera and/or the rear 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 focal length and optical zoom capabilities.
The audio component 410 is configured to output and/or input audio signals. For example, the audio component 410 includes a Microphone (MIC) configured to receive external audio signals when the 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 be further stored in the memory 404 or transmitted via the communication component 416. In some embodiments, audio component 410 further 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 a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 414 includes one or more sensors for providing status assessment of various aspects of the apparatus 400. For example, the sensor assembly 414 may detect the on/off state of the device 400, the relative positioning of the components, such as the display and keypad of the apparatus 400, the sensor assembly 414 may also detect the change in position of the apparatus 400 or one component of the apparatus 400, the presence or absence of user contact with the apparatus 400, the orientation or acceleration/deceleration of the apparatus 400, and the change in temperature of the apparatus 400. The sensor assembly 414 may include a proximity sensor configured to detect the presence of nearby objects in the absence of 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 gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 416 is configured to facilitate communication between the apparatus 400 and other devices in a wired or wireless manner. The apparatus 400 may access a wireless network based on a communication standard, such as WiFi,4G or 5G, or a combination thereof. In one 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, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
Based on the same concept as the above method embodiments, the present disclosure also provides a communication apparatus that may have the functions of the base station apparatus 102 in the above method embodiments and may be used to perform the steps performed by the base station apparatus 102 provided by the above method embodiments. The functions may be implemented by hardware, or may be implemented by software or hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the functions described above.
In one possible implementation, the communication apparatus 500 shown in fig. 5 may be used as the network device 102 according to the above-described method embodiment, and perform the steps performed by the network device 102 in the above-described 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 be provided with a wireless communication function, for example, to enable wireless communication with other communication devices through a wireless air interface.
A transceiver module 501, in performing the steps implemented by the network device 102, for receiving failure information from the user device 101; wherein the failure information is determined by the user equipment 101 after the wireless link failure of the sidelink unicast connection.
When the communication apparatus is a network device, its structure may also be as shown in fig. 6. The structure of the communication apparatus is described with the network device 102 as a base station. As shown in fig. 6, the apparatus 600 includes a memory 601, a processor 602, a transceiver component 603, and a power supply component 606. The memory 601 is coupled to the processor 602 and can be used to store programs and data necessary for the communication device 600 to perform various functions. The processor 602 is configured to support the communication device 600 to perform the corresponding functions of the above-described method, which functions may be implemented by calling a program stored in the memory 601. The transceiver component 603 can be a wireless transceiver that can be utilized to support the communication device 600 in receiving signaling and/or data over a wireless air interface and transmitting signaling and/or data. 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, where the radio frequency component 604 may be a remote radio frequency unit (remote radio unit, RRU), and may be specifically used for transmitting radio frequency signals and converting radio frequency signals to baseband signals, and the one or more antennas 605 may be specifically used for radiating and receiving radio frequency signals.
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, where the radio frequency unit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal in the form of electromagnetic wave through the antenna. When data is transmitted to the communication device 600, the radio frequency unit receives a radio frequency signal through the antenna, converts the radio frequency 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 implementations 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 adaptations, uses, or adaptations of the disclosed embodiments following, in general, the principles of the disclosed embodiments 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 and instrumentalities 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 failure information of the Uu interface to the network equipment, and may also send failure information of the SL unicast link to the network equipment. The network device can learn the SL unicast link failure information so that the network device can optimize the sidelink or perform other appropriate correlation processing based on the SL unicast link failure information.
Claims (21)
1. A method of link failure handling, the method performed by a user equipment, comprising:
responding to the wireless link failure of the sidelink unicast connection of the user equipment, and sending failure information corresponding to the wireless link failure of the sidelink unicast connection to the network equipment;
determining whether to store the failure information according to a first condition, wherein the stored failure information accords with the first condition, and the first condition comprises:
the user equipment is in a set area; the set area is defined by geographic coordinates or is a set service cell covered by network equipment;
whether the opposite end user equipment corresponding to the unicast connection belongs to a set user equipment set; the set user equipment set is a set formed by set user equipment, and the set user equipment has a set cell radio network temporary identifier C-RNTI or a sidelink layer 2 identifier;
And whether the service type corresponding to the unicast connection is a set service type or not.
2. The method of claim 1, wherein the failure information comprises at least one of:
the method comprises the steps of failure reasons, identification of opposite end user equipment corresponding to unicast connection, failure occurrence position, failure occurrence time, identification of a service cell to which the failure occurs, and service type corresponding to the unicast connection.
3. The method of claim 2, wherein the method further comprises:
and receiving the first condition from the network equipment, or determining the first condition according to preset information.
4. 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; the notification information is used for indicating that the user equipment stores the failure information.
5. The method of claim 4, wherein the sending notification information to the network device comprises:
and responding to the service cell supporting sidelink where the user equipment is located, and sending notification information to the network equipment.
6. The method of claim 1, wherein,
The method further comprises the steps of:
receiving first indication information from the network device; the first indication information is used for indicating the user equipment to report the failure information.
7. The method of claim 1, wherein,
the method further comprises the steps of:
receiving second indication information from the network device; the second indication information is used for indicating the user equipment to report the information meeting the second condition in the failure information.
8. The method of claim 7, wherein,
the information meeting the second condition includes at least one of:
the identification of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
9. A method of link failure handling, the method performed by a network device, comprising:
transmitting a first condition to the user equipment;
receiving failure information from a user equipment; the failure information is determined by the user equipment after the wireless link of the sidelink unicast connection fails;
wherein the first condition is for the user equipment to determine whether to record the failure information; the first condition includes:
The user equipment is in a set area; the set area is defined by geographic coordinates or is a set service cell covered by network equipment;
whether the opposite end user equipment corresponding to the unicast connection belongs to a set user equipment set; the set user equipment set is a set formed by set user equipment, and the set user equipment has a set cell radio network temporary identifier C-RNTI or a sidelink layer 2 identifier;
and whether the service type corresponding to the unicast connection is a set service type or not.
10. The method of claim 9, wherein,
the failure information includes at least one of:
the method comprises the steps of failure reasons, identification of opposite end user equipment corresponding to unicast connection, failure occurrence position, failure occurrence time, identification of a service cell to which the failure occurs, and service type corresponding to the unicast connection.
11. The method of claim 9, wherein,
the method further comprises the steps of:
after establishing connection with the user equipment, receiving notification information from the user equipment; the notification information is used for indicating that the user equipment stores the failure information.
12. The method of claim 11, 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.
13. The method of claim 9, wherein,
the method further comprises the steps of:
sending first indication information to the user equipment; the first indication information is used for indicating the user equipment to report the failure information.
14. The method of claim 9, wherein,
the method further comprises the steps of:
transmitting second indication information to the user equipment; the second indication information is used for indicating the user equipment to report the information meeting the second condition in the failure information.
15. The method of claim 14, wherein,
the information meeting the second condition includes at least one of:
the identification of the opposite end user equipment corresponding to the unicast connection, the failure occurrence position and the service type corresponding to the unicast connection.
16. A communication apparatus, comprising:
the receiving and transmitting module is used for responding to the failure of the wireless link of the sidelink unicast connection of the user equipment and transmitting a failure message corresponding to the failure of the wireless link of the sidelink unicast connection to the network equipment;
The processing module is configured to determine whether to store the failure information according to a first condition, where the stored failure information meets the first condition, and the first condition includes:
the user equipment is in a set area; the set area is defined by geographic coordinates or is a set service cell covered by network equipment;
whether the opposite end user equipment corresponding to the unicast connection belongs to a set user equipment set; the set user equipment set is a set formed by set user equipment, and the set user equipment has a set cell radio network temporary identifier C-RNTI or a sidelink layer 2 identifier;
and whether the service type corresponding to the unicast connection is a set service type or not.
17. A communication apparatus, comprising:
the receiving and transmitting module is used for sending a first condition to the user equipment;
the receiving and transmitting module is further used for receiving failure information from the user equipment; the failure information is determined by the user equipment after the wireless link of the sidelink unicast connection fails;
wherein the first condition is for the user equipment to determine whether to record the failure information; the first condition includes:
The user equipment is in a set area; the set area is defined by geographic coordinates or is a set service cell covered by network equipment;
whether the opposite end user equipment corresponding to the unicast connection belongs to a set user equipment set; the set user equipment set is a set formed by set user equipment, and the set user equipment has a set cell radio network temporary identifier C-RNTI or a sidelink layer 2 identifier;
and whether the service type corresponding to the unicast connection is a set service type or not.
18. A communication device comprising a processor and a memory;
the memory is used for storing a computer program;
the processor is configured to execute the computer program to implement the method of any one of claims 1-8.
19. A communication device comprising a processor and a memory;
the memory is used for storing a computer program;
the processor is configured to execute the computer program to implement the method of any one of claims 9-15.
20. 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 of claims 1-8.
21. 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 of claims 9-15.
Applications Claiming Priority (1)
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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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| WO2023050368A1 (en) | 2023-04-06 |
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