WO2022236498A1 - 连接失败检测方法及装置、通信设备及存储介质 - Google Patents
连接失败检测方法及装置、通信设备及存储介质 Download PDFInfo
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Definitions
- the present disclosure relates to the technical field of wireless communication but is not limited to the technical field of wireless communication, and in particular relates to a connection failure detection method and device, a communication device, and a storage medium.
- Connection failure detection is a way to detect the quality of the radio link between the UE and the base station.
- the UE will perform connection failure detection according to the failure detection configuration. If a connection failure is detected, the UE is made to re-establish a connection with the base station by way of connection recovery, connection re-establishment or connection establishment.
- Small Data Transmission is when the UE is in the inactive state and/or idle state, through random access and/or dedicated uplink Physical Uplink Shared Channel (PUSCH) resources, that is, , CG (Configure Grant); or, preallocated uplink resources (Preallocated Uplink Resource, PUR) to execute the SDT process, that is, to transmit data on the SDT.
- PUSCH Physical Uplink Shared Channel
- PUR Preallocated Uplink Resource
- the terminal will resume the data transmission of (Signal Radio Bearer, SRB) 1, and at the same time, the terminal will also resume the signaling radio bearer (Signal Radio Bearer, SRB) 2 and/or the specified data radio bearer ( Data Radio Bearer, DRB) DRB data transmission.
- SRB Signaling radio bearer
- DRB Data Radio Bearer
- Embodiments of the present disclosure provide a connection failure detection method and device, a communication device, and a storage medium.
- the first aspect of the embodiments of the present disclosure provides a connection failure detection method, which is performed by a user equipment UE, and the method includes:
- connection failure detection is carried out for the small data transmission SDT process.
- the second aspect of the embodiments of the present disclosure provides an information processing method, which is executed by a base station, and the method includes:
- the failure detection configuration is used for the UE to detect the connection failure for the SDT process.
- connection failure detection device which is executed by a user equipment UE, and the device includes:
- the detection module is configured to perform connection failure detection for the small data transmission SDT process.
- an information processing device includes:
- the sending module is configured to send the failure detection configuration, wherein the failure detection configuration is used for the UE to detect the connection failure for the SDT process.
- the fifth aspect of the embodiments of the present disclosure provides a communication device, including a processor, a transceiver, a memory, and an executable program stored on the memory and capable of being run by the processor, wherein the processor runs the executable
- the program executes the connection failure detection method provided in the aforementioned first or second aspect.
- the sixth aspect of the embodiments of the present disclosure provides a computer storage medium, the computer storage medium stores an executable program; after the executable program is executed by a processor, it can realize the connection provided by the aforementioned first aspect or the second aspect Failure detection method.
- the connection failure detection will be performed for the connection in the SDT process.
- the SDT process it can be known that the SDT process
- small data packet transmission in the SDT process can be adjusted in time to improve the transmission success rate and transmission quality of small data packets.
- Fig. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment
- Fig. 2 is a schematic flowchart of a connection failure detection method according to an exemplary embodiment
- Fig. 3 is a schematic diagram showing the sequence of the SDT process according to an exemplary embodiment
- Fig. 4 is a schematic flowchart of a connection failure detection method according to an exemplary embodiment
- Fig. 5 is a schematic flowchart of a connection failure detection method according to an exemplary embodiment
- Fig. 6 is a schematic flowchart of a connection failure detection method according to an exemplary embodiment
- Fig. 7 is a schematic flowchart of a connection failure detection method according to an exemplary embodiment
- Fig. 8 is a schematic flowchart of a connection failure detection method according to an exemplary embodiment
- Fig. 9 is a schematic structural diagram of a connection failure detection device according to an exemplary embodiment
- Fig. 10 is a schematic structural diagram of a connection failure detection device according to an exemplary embodiment
- Fig. 11 is a schematic structural diagram of a UE according to an exemplary embodiment
- Fig. 12 is a schematic structural diagram of a base station according to an exemplary embodiment.
- first, second, third, etc. may use the terms first, second, third, etc. to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present disclosure, first information may also be called second information, and similarly, second information may also be called first information. Depending on the context, the word “if” as used herein may be interpreted as “at” or "when” or "in response to a determination.”
- FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
- the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several UEs 11 and several base stations 12 .
- UE11 may be a device that provides voice and/or data connectivity to a user.
- UE11 can communicate with one or more core networks via a radio access network (Radio Access Network, RAN), and UE11 can be an Internet of Things UE, such as a sensor device, a mobile phone (or called a "cellular" phone) and a device with an Internet of Things
- RAN Radio Access Network
- UE11 can be an Internet of Things UE, such as a sensor device, a mobile phone (or called a "cellular" phone) and a device with an Internet of Things
- the UE's computer for example, may be a fixed, portable, pocket, hand-held, built-in or vehicle-mounted device.
- UE11 may also be a device of an unmanned aerial vehicle.
- UE11 may also be a vehicle-mounted device, for example, it may be a trip computer with a wireless communication function, or a wireless communication device connected externally to the trip computer.
- the UE11 may also be a roadside device, for example, it may be a street lamp, a signal lamp, or other roadside devices with a wireless communication function.
- the base station 12 may be a network side device in a wireless communication system.
- the wireless communication system may be a fourth generation mobile communication technology (the 4th generation mobile communication, 4G) system, also known as a Long Term Evolution (LTE) system; or, the wireless communication system may also be a 5G system, Also known as new radio (NR) system or 5G NR system.
- the wireless communication system may also be a next-generation system of the 5G system.
- the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, New Generation Radio Access Network).
- the MTC system the MTC system.
- the base station 12 may be an evolved base station (eNB) adopted in a 4G system.
- the base station 12 may also be a base station (gNB) adopting a centralized and distributed architecture in the 5G system.
- eNB evolved base station
- gNB base station
- the base station 12 adopts a centralized distributed architecture it generally includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
- the centralized unit is provided with a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer, radio link layer control protocol (Radio Link Control, RLC) layer, media access control (Media Access Control, MAC) layer protocol stack;
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- MAC media access control
- a physical (Physical, PHY) layer protocol stack is set in the unit, and the embodiment of the present disclosure does not limit the specific implementation manner of the base station 12 .
- a wireless connection can be established between the base station 12 and the UE 11 through a wireless air interface.
- the wireless air interface is a wireless air interface based on the fourth-generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth-generation mobile communication network technology (5G) standard, such as
- the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a technical standard of a next-generation mobile communication network based on 5G.
- an E2E (End to End, end-to-end) connection can also be established between UE11.
- V2V vehicle to vehicle, vehicle-to-vehicle
- V2I vehicle to Infrastructure, vehicle-to-roadside equipment
- V2P vehicle to pedestrian, vehicle-to-person communication in vehicle to everything (V2X) communication Wait for the scene.
- the above wireless communication system may further include a network management device 13 .
- the network management device 13 may be a core network device in the wireless communication system, for example, the network management device 13 may be a mobility management entity (Mobility Management Entity, MME).
- MME Mobility Management Entity
- the network management device can also be other core network devices, such as Serving GateWay (SGW), Public Data Network Gateway (Public Data Network GateWay, PGW), policy and charging rule functional unit (Policy and Charging Rules Function, PCRF) or Home Subscriber Server (Home Subscriber Server, HSS), etc.
- SGW Serving GateWay
- PGW Public Data Network Gateway
- PCRF Policy and Charging Rules Function
- HSS Home Subscriber Server
- an embodiment of the present disclosure provides a connection failure detection method, which is performed by a user equipment UE, and the method includes:
- connection failure detection method may be implemented by a UE.
- the connection failure detection during the SDT process is performed for the UE in the idle state or the UE in the inactive state.
- the connection failure detection during the SDT process can be understood as the UE in the idle state or inactive state detects the wireless transmission channel, and determines whether the connection fails during the SDT process according to the detected channel quality.
- connection failure detection here is to detect the connection in the SDT process, including: to detect the beam used in the SDT process, and/or to detect the channel used in the SDT process.
- the channel includes but is not limited to: random access channel (Random Access Channel, RACH) and/or dedicated PUSCH (or called, CG-PUSCH), etc.
- the UE will also perform connection failure detection during the SDT process. In this way, it can be determined whether the cause of the small data packet transmission failure in the SDT is the connection failure, or whether it is necessary to adjust the transmission in time during the SDT process. For example, delay transmission in the time domain.
- the small data transmission of the SDT process can be performed in any of the following steps:
- Msg3 carries a small data packet
- MsgA carries a small data packet
- Small data packets are sent on the dedicated uplink physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) resource configured by the network.
- PUSCH Physical Uplink Shared Channel
- the small data packet here refers to the data packet reported in the SDT process.
- the SDT process may include: an initial data sending phase and a subsequent data sending phase.
- Initial data transmission stage from the transmission of SDT initial data to the reception of confirmation information for the initial data from the network side, where the confirmation information is different for different SDT processes.
- the confirmation information may be the contention resolution identification of Msg4 successfully received; in the SDT process of the two-step random access channel, the confirmation information may be the successful reception of MsgB competition resolution logo.
- the acknowledgment information can be an indication that the network side indicates that the data is successfully received.
- the indication may be an acknowledgment character (Acknowledgment character, ACK) indicated by the physical layer (Downlink Control Information, DCI).
- connection failure detection method including:
- S111 Perform connection failure detection for the SDT process according to the obtained failure detection configuration.
- the UE performs connection failure detection in the SDT process according to the failure detection configuration.
- the failed connection configuration may also be used for the UE to perform failed connection detection in the connected state. That is, the UE can share the same failure detection configuration in the unconnected state and the connected state.
- the disconnected state includes: an inactive state and/or an idle state.
- the failure detection configuration is different from the failure detection configuration of the UE in the connected state.
- the two failure detection configurations define different triggering events for triggering the connection failure detection, and/or, the two failure detection configurations define different connection failure detection frequencies.
- the detection frequency indicated by the failure detection configuration in the disconnected state is lower than the detection frequency indicated by the failure detection configuration in the connected state.
- the failure detection configuration includes:
- the failure detection configuration may be configured and sent by the network side, or may be pre-configured in the protocol, so that the UE obtains the failure detection configuration by reading the protocol.
- the network side here may at least include: an access network (Radio Access Network, RAN).
- RAN Radio Access Network
- the failed connection detection is received from a base station of the RAN.
- the UE there are many ways for the UE to obtain the failure detection configuration, not limited to any one of the above.
- the failure detection configuration received from the network side includes:
- the failure detection configuration received from the network side and carried in the connection release message is the failure detection configuration received from the network side and carried in the connection release message.
- the failure detection configuration may be carried in a system message.
- the failure detection configuration may be carried in a master information block (Master Information Block, MIB) or a system information block (System Information Block, SIB) x, where x may be Any positive integer.
- MIB Master Information Block
- SIB System Information Block
- x may be Any positive integer.
- the value of x may be 1, 2, 3 or 4, etc.
- connection failure detection method including:
- connection failure detection for the SDT process only when the trigger event is detected, the connection failure detection for the SDT process will be started, and the connection failure detection for the SDT process will not be performed at other times, thereby reducing unnecessary detection, thereby reducing unnecessary detection resulting power consumption.
- the trigger event includes at least one of the following:
- the UE sends uplink data for the first time in the SDT process
- the UE receives an acknowledgment indication from the network side, wherein the acknowledgment indication is an indication sent by the network side after receiving the uplink data sent for the first time in the SDT process.
- the UE starts the SDT process in the inactive state or the idle state, that is, detects that the SDT process is started, it is considered that a trigger event is detected.
- the first sending of uplink data for performing the SDT process includes at least one of the following:
- the UE sends uplink data for the first time through a random access message 3 of four-step random access;
- the UE sends uplink data for the first time through a random access message A of two-step random access;
- the UE sends uplink data for the first time on the configured authorized CG physical uplink shared channel PUSCH resource.
- the UE receives an acknowledgment indication from the network side, including:
- the contention resolution identifier of the four-step random access message 4 is received from the network side;
- the contention resolution identifier of the two-step random access message B is received from the network side;
- a successful indication of data transmission on the CG PUSCH resource is received from the network side.
- connection failure detection method including:
- S112 Stop connection failure detection for the SDT process in response to detecting the stop event.
- connection failure detection of the SDT process may be automatically stopped after a preset period of time, or after a preset number of detections are performed.
- a stop event is set, and if the stop event is detected, the connection failure detection for the SDT process is stopped.
- said detecting a stop event includes:
- the state of the UE is changed
- the UE receives specific indication information associated with the connection from the network side.
- the transition of the state of the UE may include: the transition of the connection state between the UE and the network side.
- the UE receives specific indication information associated with the connection from the network side.
- the specific indication information associated with the connection may include: indicating connection establishment, indicating connection release, indicating connection recovery, and indicating connection switching, and one or more of the indication information associated with connection.
- the state transition of the UE includes at least one of the following:
- the UE transitions from an inactive state to an idle state
- the UE transitions from an inactive state to a connected state
- the UE transitions from an idle state to a connected state.
- the UE If the UE switches from the inactive state to the idle state, the UE not only releases the connection with the base station, but also releases the context, and the idle state is a state in which the connection known by the core network has been released, while the inactive state is a state in which the connection has been released.
- the connection between the UE and the base station has been released, but the context has not been released, and the core network does not know the status of the UE's released connection.
- the UE switches from the inactive state to the idle state, it means that the data to be sent by the UE is reduced or the amount of data is reduced, and the probability that the SDT process needs to be performed is reduced, so the connection failure detection of the SDT process can be stopped, thereby reducing unnecessary detection.
- the UE if the UE exits the idle state or the inactive state, it transitions to the connected state. In the connected state, the UE can transmit data based on the RRC connection, and the UE may have dedicated connection failure detection for the connected state in the connected state. At this time, it is considered that the connection failure detection in the SDT process is detected.
- the UE receives specific indication information associated with the connection from the network side, including at least one of the following:
- the UE receives a connection release message from the network side
- the UE receives a connection recovery message from the network side
- the UE receives a connection rejection message from the network side
- the UE receives a connection establishment message from the network side.
- connection release message can be used to trigger the UE to enter the idle state.
- connection resume message can be used for the UE in the inactive state to enter the connected state.
- the connection rejection message may be a message of rejection of the connection establishment request returned by the network side for the connection request.
- the connection establishment message may be a message sent by the network side to instruct the UE to enter a connected state by establishing a connection.
- the specific indication information may be various RRC messages associated with the connection, so instead of setting a special message to indicate the stop of the connection failure detection during the SDT process, the relevant technology is used to The SDT is informed of the stop of the connection failure detection in the SDT process by sending and receiving the existing messages, so it has the characteristics of high compatibility with related technologies and easy implementation.
- the failure detection configuration includes at least one of the following:
- Timer information indicating the timer associated with connection failure detection
- the signal indication information is used to indicate the signal for performing the connection failure detection.
- the timer information may be information related to timer timing, for example, the timer information indicates information such as timer duration, timer start time and/or end time.
- the counter information may be any information indicating counting of the counter, for example, the counter information may include: a maximum count value.
- the signal indication information may indicate: a signal that needs to be detected during connection failure detection during the SDT process, and the signal may be a reference signal of various physical layers.
- the timer includes at least one of the following:
- the out-of-synchronization timer of the physical layer is used to time the out-of-synchronization of the physical layer
- Beam failure timer used to time beam failure detection.
- the timers include various types of timers, or timers for different types of connection failures.
- the physical layer out-of-sync timer mainly counts the phenomenon of physical layer out-of-sync.
- the synchronization of the physical layer may be established based on a synchronization signal issued by the network side, where the physical layer is out of synchronization, that is, the physical layer does not establish relatively accurate synchronization based on the synchronization signal.
- the physical layer failure timer counts the duration of the physical layer failure.
- the beam failure timer can time the beam failure detection.
- the counter includes at least one of the following:
- the out-of-synchronization counter is used for physical layer out-of-synchronization indication counting
- the synchronization counter is used for physical layer synchronization indication counting
- a beam failure counter for counting beam failures
- the MAC layer random access times counter is used for counting the random access times of the MAC layer
- the transmission times counter of the RLC layer is used for counting the transmission times of the RLC layer.
- the out-of-synchronization counter can be used for counting physical layer failure indications.
- the synchronization counter can be used to count the physical layer synchronization indication generated when the physical layer synchronization is detected.
- the UE when performing random access, the UE will send a random access request, and after a random access failure occurs, it will perform the next random access request.
- the MAC The layer random access times counter is used to count the number of random access times of the MAC layer.
- the RLC layer is configured with a transmission count counter, which can be used to count the number of transmission times of the random access request by the UE during a random access process. If the count reaches the preset value and the random access is not successful, Then it can be considered that the random access fails.
- the signal indication information is used to indicate at least one of the following:
- a signal of beam failure detection in the connection failure detection is a signal of beam failure detection in the connection failure detection.
- the signal indicated by the signal indication information includes: a signal for performing physical layer out-of-synchronization detection and/or a signal for beam failure detection.
- the signal of physical layer out-of-synchronization detection and the signal of beam failure detection may be the same or different.
- the signal of the physical layer out-of-synchronization detection and the signal of the beam failure detection can both be a synchronization signal block (Synchronization Signal/Physical Broadcast Channel Block, SSB) or a channel state information (Channel State Information-Reference Signal, CSI-RS ).
- SSB Synchronization Signal/Physical Broadcast Channel Block
- CSI-RS Channel State Information-Reference Signal
- the signals indicated by the signal indication information include at least one of the following:
- the downlink signal associated with the PDCCH channel for scheduling data transmission After successfully receiving the contention resolution identifier of the random access message 4 of the four-step random access, the downlink signal associated with the PDCCH channel for scheduling data transmission;
- a downlink signal associated with the random access message A of the two-step random access
- the downlink signal associated with the PDCCH of the scheduled data After the contention resolution identifier of the random access message B of the two-step random access is received, the downlink signal associated with the PDCCH of the scheduled data;
- the downlink signal associated with the PDCCH that sends the transmission success indication is: indicating that data transmission is successful on the CG PUSCH;
- a downlink signal sent by the cell where the UE is located
- a downlink signal sent by the BWP where the UE is located
- the UE can detect the downlink signal of the cell
- a downlink signal that can be detected by the BWP where the UE is located is located.
- the downlink signal here may be a physical layer signal, for example, the downlink signal here may be a reference signal of the physical layer.
- the downlink signal associated with xxx may include: a downlink signal having a pre-established corresponding relationship with xxx and/or a downlink signal quasi-co-located with xxx.
- xxx generally refers to PDCCH, PUSCH and/or PRACH resources in any one of the foregoing technical solutions.
- the base station allocates random access resources for random access in advance, and channels corresponding to these random access resources are called random access channels.
- the downlink signals associated with these random access resources may be the aforementioned signals for performing physical layer out-of-synchronization detection and/or beam failure detection.
- the random access channel includes 4 random access resources, which are random access resource 1, random access resource 2, random resource 3, and random resource 4, where these 4 random access resources can be associated with Different SSBs, for example, random access resource 1 is associated with SSB1, random access resource 2 is associated with SSB2, random access resource 3 is associated with SSB3, and random access resource 4 is associated with SSB4.
- random access resource 1 is associated with SSB1
- random access resource 2 is associated with SSB2
- random access resource 3 is associated with SSB3
- random access resource 4 is associated with SSB4.
- the downlink signal indicated by the signal indication information may be: SSB3 associated with random access resource 3.
- the transmission resource of the contention resolution identification of the random access message 4 needs to be scheduled by the PDCCH, and the contention resolution identification is scheduled by the PDCCH transmitted over the resource.
- the signal for performing physical layer out-of-synchronization detection and/or the signal for beam failure detection may be a downlink signal associated with the PDCCH of the scheduled transmission contention resolution flag.
- PSCH Physical Shared Channel
- the PSCH here may include PDSCH and/or PUSCH.
- the channel for scheduling the PSCH may be the PDCCH.
- the signal indicating the information may be a downlink signal associated with the PDCCH.
- the downlink signals associated with the PDCCHs scheduling data transmission may include: downlink signals associated with the first m PDCCHs scheduling data transmission.
- m can be any positive integer.
- the signal indicated by the signal indication information may be: a downlink signal associated with the random access message A and/or with the random access message B. If the CG PUSCH resource is used in the SDT process, the signal indicating the physical layer out-of-sync detection and/or the beam failure detection signal indicated by the signal indication information may be: a downlink signal associated with the CG PUSCH resource.
- the SDT process is divided into the initial data sending stage and the subsequent data sending stage.
- the network side will send a transmission success indication.
- the UE will receive the transmission success indication, at this time, the signal indicated by the signal indication information may be a downlink signal associated with the PDCCH indicated by the successful transmission.
- the signal used for physical layer out-of-synchronization detection and/or the signal used for beam failure detection indicated by the signal indication information may be received after receiving the transmission success indication, and used for scheduling data
- the downlink signals associated with the PDCCHs scheduling data transmission may include: downlink signals associated with the first n PDCCHs scheduling data transmission.
- n can be any positive integer.
- the cell where the UE is located may be the cell where the UE resides.
- the signals indicated by the signal indication information may be: all downlink signals sent by cells in the cell where the UE resides.
- the active BWPs of the UE may be only some of them, or the UE may only use some of the BWPs for signal detection and/or data transmission.
- the partial BWP here may include: one BWP or multiple BWPs.
- the cell may transmit downlink signals based on beams.
- the foregoing downlink signal may be any reference signal at the cell level.
- the signal indicated by the signal indication information may be: the UE can detect all downlink signals of the cell.
- the BWP where the UE is located can be: the active BWP of the UE or all the BWPs that the UE can use, and the UE can detect downlink signals in the BWP.
- the configuration of the signal of physical layer out-of-synchronization detection and/or the signal of beam failure detection is realized in advance through the signal indication information in the failure detection configuration, so that in the process of SDT, the failure detection configuration can be directly performed in time Downlink signal detection is performed without temporary scheduling on the network side.
- connection failures in the SDT process There are many types of connection failures in the SDT process. Exemplarily, the types of connection failures in the SDT process may include one or more of the following:
- the method also includes:
- connection failure type of connection failure can realize the process of reacquiring the connection or enter the idle state.
- the process of reacquiring a connection may include at least one of the following: a connection establishment process, a connection reestablishment process, and/or a beam recovery process.
- the UE when it detects a connection failure, it will reacquire the connection, and based on the reacquired connection, transmit the small data packet during the SDT process.
- the data can be transmitted in time based on the reacquired connection.
- the transmission can be suspended.
- the UE may enter an idle state with lower power consumption.
- the method also includes:
- connection failure types can implement connection reacquisition in different ways.
- the beam failure may only be caused by the movement of the UE in the cell.
- the wireless channel (that is, the connection) of the cell may not be bad.
- the UE may be able to regain connect.
- beam recovery is performed. If the connection fails due to beam failure, beam recovery can be quickly and easily realized through the process of beam recovery without multiple messages from the base station. Implement connection reacquisition.
- beam recovery may not be performed, but the connection may be re-acquired directly through connection establishment or connection re-establishment.
- Beam recovery corresponds to beam recovery configuration. For details on how to perform beam recovery, you can refer to beam recovery configuration.
- the beam restoration process may include: sending a beam restoration request and feeding back the beam restoration request returned by the network side.
- the method also includes at least one of the following:
- the beam recovery configuration is determined based on a protocol agreement.
- the beam recovery configuration may be carried in the connection reconfiguration message.
- the beam recovery configuration for the connected state may be carried in the connection reconfiguration message
- the beam recovery configuration for the non-connected state may be carried in the system message and the connection release message.
- the application probability may be low or the probability of dynamic debugging is low.
- the beam recovery configuration can be directly written into the communication standard protocol, so that the UE can determine the beam through the query protocol. Restore configuration.
- the beam recovery configuration includes at least one of the following:
- Beam recovery counter information indicating the counter used for the number of times of beam recovery
- Beam recovery timer information indicating the timer used for beam recovery duration
- the priority configuration is used to indicate the priority of the random access corresponding to the beam restoration, wherein, the random access configuration corresponding to the beam restoration is different for different priorities;
- Resource configuration indicating the resources used for beam recovery
- Threshold configuration indicating the threshold used for beam recovery.
- the beam recovery configuration may include one or more timer values, one or more counter values, and one or more beam recovery thresholds.
- the beam restoration counter information indicates a counter for counting beam restoration times.
- the counter information may at least include: a maximum count value of the counter.
- the beam recovery timer information may be used to indicate the duration of beam recovery for timing.
- the beam recovery timer information may indicate the maximum duration of the timer.
- the resource configuration may indicate any resource used for beam recovery.
- the resource used for beam recovery may be a random access resource for beam recovery.
- the random access resources include: time-frequency domain resources and/or sequence resources, where the sequence resources may be random access preambles used in the random access process of beam recovery and the like.
- Threshold configuration can be used to determine whether beam recovery is currently completed. For example, beam recovery is performed by beam measurement carrying SSB. If it is detected that the measured value of a specific SSB exceeds the threshold value indicated by the threshold configuration, beam recovery can be considered successful. .
- the measured value of SSB includes but not limited to: Reference Signal Received Power (Reference Signal Received Power, RSPR) and/or Reference Signal Received Quality (Reference Signal Received Quality, RSPQ).
- Reference Signal Received Power Reference Signal Received Power
- RSPQ Reference Signal Received Quality
- the beam recovery configuration further includes a priority configuration, and the priority configuration can reuse the random access priority configuration.
- the random access configurations corresponding to different priorities are different.
- the random access configuration here may include at least one of the following:
- Power ramping configuration for example, increase the transmission power of the random access request according to the power ramping configuration when retransmitting the random access request
- Backoff time scaling factor for random access request repetitions.
- the network side indicates a backoff value (Backoff Indicator, BI) to the UE, and the specific backoff time depends not only on the BI, but also on the backoff time scaling factor.
- the product of the back-off time scaling factor and the BI may be a specific value of the back-off time.
- the resource configuration indicates that the contention-based random access request resources of the cell where the SDT process is located or the BWP are used for beam recovery.
- the threshold configuration indicates a threshold used to select a resource for a random access request, and is multiplexed as the beam restoration threshold.
- the resource configuration and the threshold configuration are the resources and the threshold value used in the process of multiplexing the random access request.
- the simplification of the network configuration is realized, and on the other hand, the effective utilization of resources is improved. rate, and reduce the repeated delivery of resource configurations and/or threshold configurations.
- the method also includes:
- the beam recovery succeeds, an indication indicating the recovery success will be received, and if the beam recovery fails, an indication indicating the recovery failure will be received.
- the feedback information indicating whether the beam restoration is successful or not indicated by the network side may be received.
- the beam recovery process may be stopped; if the beam recovery indicates failure, the beam recovery may be stopped directly, and the connection may be reacquired through connection establishment and/or connection re-establishment, or, It is to determine whether the number of beam failures reaches the maximum number. If the number reaches the maximum number, stop the beam recovery and proceed to connection establishment or connection re-establishment, otherwise continue to perform the next beam recovery.
- the receiving feedback information from the network side on the beam restoration includes:
- the receipt of feedback information can be integrated with the SDT process.
- the feedback information is received on resources in the subsequent data sending phase of the SDT process, or the feedback information carried in any random access message is received.
- the receiving the feedback information on resources in the subsequent data transmission phase of the SDT process includes: receiving the feedback information on PDCCH resources used to schedule data transmission in the subsequent data transmission phase of the SDT process. Feedback.
- the receiving the feedback information carried in the message delivered by the network side during random access includes at least one of the following:
- the connection may also be reacquired through a process of connection establishment and/or connection re-establishment.
- the method further includes: in response to the beam recovery failure, reacquiring a connection; or in response to the beam recovery failure, entering an idle state.
- the beam recovery fails, perform the operation of reacquiring the connection, and realize the timely transmission of data through the reacquired connection.
- the UE can enter the idle state to further save the power consumption of the UE.
- the reacquired connection includes at least one of the following:
- connection re-establishment is triggered based on the connection re-establishment request message.
- a NAS message triggers connection establishment or a connection request message triggers connection establishment.
- the connection request message is an RRC layer message.
- connection recovery process triggered by the recovery request message and the connection re-establishment process triggered by the connection re-establishment request message.
- the method also includes:
- connection failure detection will get a result, which is called the connection failure detection result.
- the connection failure detection result may include: a result of detecting a connection failure or a result of detecting that the connection has not failed.
- the failure detection result includes at least one of the following: connection failure type indication, indicating the connection failure type;
- the SDT process indication is used to indicate that a connection failure is detected during the SDT process
- SDT stage indication used to indicate the SDT stage where the connection failure occurs, wherein the SDT stage includes: the initial data sending stage and/or the subsequent data sending stage in the SDT process;
- SDT process type indication used for the type of SDT process
- Service indication used to indicate the service that triggers the SDT process.
- connection failure types include but are not limited to:
- connection failure caused by the failure of the RLC layer to reach the maximum number of retransmissions
- the SDT phase includes: an initial data transmission phase and a subsequent data transmission phase.
- the service indication includes at least one of the following:
- the service flow identifier of the service
- the session identifier of the service
- the logical channel identifier of the service is the logical channel identifier of the service.
- RBs have RB identifiers, so the RB identifiers can be used to identify services.
- a service flow identifier will be assigned, and similarly, the service flow identifier can identify the service.
- a session ID will be assigned, so the session ID can also identify a service.
- services are also mapped to logical channels, and different logical channels have different logical channel identifiers. Therefore, logical channel identifiers can also be used for service identification.
- an embodiment of the present disclosure provides an information processing method, which is executed by a base station, and the method includes:
- S210 Send the failure detection configuration, wherein the failure detection configuration is used for the UE to detect the connection failure for the SDT process.
- the information processing method provided by the embodiments of the present disclosure may be executed by a base station.
- the method may include: the base station sends a failure detection configuration to the UE, and the failure detection configuration can be used for the UE to perform connection failure detection during the SDT process.
- the S210 may include:
- all UEs in the cell can receive the corresponding system information.
- connection release message that triggers the UE to enter the idle state or inactive state that can perform the SDT process carries the failure detection configuration instead of sending a dedicated message, and the UE enters the idle state or Sending before the inactive state has the characteristics of small message signaling overhead and easy implementation.
- an embodiment of the present disclosure provides an information processing method, which is executed by a base station, and the method includes:
- S310 Send specific indication information associated with the connection; wherein the specific indication information is used to trigger the UE to stop connection failure detection for the SDT process.
- any other information related to the connection can be reused, so that it has the characteristics of strong compatibility with related technologies.
- the specific indication information includes at least one of the following:
- the failure detection configuration includes at least one of the following:
- Timer information indicating the timer associated with connection failure detection
- the signal indication information is used to indicate the signal for performing the connection failure detection.
- timer information For the relevant descriptions of timer information, counter information and signal indication information here, reference may be made to the foregoing embodiments, and will not be repeated here.
- the timer includes at least one of the following:
- the out-of-synchronization timer of the physical layer is used to time the out-of-synchronization of the physical layer
- Detect beam failure timer used to time beam failure detection.
- the counter includes at least one of the following:
- the out-of-synchronization counter is used for physical layer out-of-synchronization indication counting
- the synchronization counter is used for physical layer synchronization indication counting
- a beam failure counter for counting beam failures
- a media access control MAC layer random access counter is used to count the random access times of the MAC layer
- the transmission times counter of the radio link control RLC layer is used for counting the transmission times of the RLC layer.
- the signal indication information is used to indicate at least one of the following:
- a signal of beam failure detection in the connection failure detection is a signal of beam failure detection in the connection failure detection.
- the signal indication information indicates a signal, including at least one of the following:
- the downlink signal associated with the PDCCH channel for scheduling data transmission After successfully receiving the contention resolution identifier of the random access message 4 of the four-step random access, the downlink signal associated with the PDCCH channel for scheduling data transmission;
- a downlink signal associated with the random access message A of the two-step random access
- the downlink signal associated with the PDCCH of the scheduled data After the contention resolution identifier of the random access message B of the two-step random access is received, the downlink signal associated with the PDCCH of the scheduled data;
- the downlink signal associated with the PDCCH that sends the transmission success indication is: indicating that data transmission is successful on the CG PUSCH;
- a downlink signal sent by the cell where the UE is located
- a downlink signal sent by the BWP where the UE is located
- the UE can detect the downlink signal of the cell
- a downlink signal that can be detected by the BWP where the UE is located is located.
- an embodiment of the present disclosure provides an information processing method, which is executed by a base station.
- the method includes: S410: Send beam recovery configuration, where the beam recovery configuration is at least used for the UE to perform an SDT Beam recovery is performed when the reason for the connection failure is detected during the process as beam failure.
- the transmitting beam recovery configuration may be the same as or different from the beam recovery configuration in the connection state. If the beam recovery configuration is the same as the beam recovery configuration in the connected state, the UE will directly reuse the beam recovery configuration of the connection bar, and the beam recovery configuration sent by the base station here is aimed at both the connected state and the non-connected state of the UE.
- the unconnected state here includes: idle state and/or inactive state.
- the transmitting beam recovery configuration includes at least one of the following:
- the beam recovery configuration includes at least one of the following:
- Beam recovery counter information indicating the counter used for the number of times of beam recovery
- Beam recovery timer information indicating the timer used for beam recovery duration
- the priority configuration is used to indicate the priority of the random access corresponding to the beam restoration, wherein, the random access configuration corresponding to the beam restoration is different for different priorities;
- Resource configuration indicating the resources used for beam recovery
- Threshold configuration indicating the threshold used for beam recovery.
- the random access configuration here may at least include: a power ramping configuration and/or a backoff time scaling factor for retransmission of the random access request.
- the resources indicated by the resource configuration may multiplex random access resources, and examples may include: PRACH resources and sequence resources corresponding to the root sequence.
- the resource configuration indicates that the contention-based random access request resources of the cell where the SDT process is located or the BWP are used for beam recovery.
- the threshold configuration indicates a threshold used to select a resource for a random access request, and is multiplexed as the beam restoration threshold.
- the method also includes:
- the base station may send beam recovery feedback information to the UE according to the beam recovery result of the UE.
- the sending the feedback information of the beam restoration includes:
- the sending the feedback information on the resources in the subsequent data sending phase of the SDT process includes:
- the feedback information is sent on the PDCCH resource used for scheduling data transmission in the subsequent data sending phase of the SDT process.
- the sending the message carrying the feedback information in the random access includes at least one of the following:
- the method also includes:
- the failure detection result includes at least one of the following:
- Connection failure type indication indicating the connection failure type
- the SDT process indication is used to indicate that a connection failure is detected during the SDT process
- SDT stage indication used to indicate the SDT stage where the connection failure occurs, wherein the SDT stage includes: the initial data sending stage and/or the subsequent data sending stage in the SDT process;
- SDT process type indication used for the type of SDT process
- Service indication used to indicate the service that triggers the SDT process.
- the service indication includes at least one of the following:
- the service flow identifier of the service
- the session identifier of the service
- the logical channel identifier of the service is the logical channel identifier of the service.
- UEs in the idle state/inactive state can perform corresponding connection failure detection during the SDT process. And according to the result of the connection failure detection, corresponding processing is performed when a failure occurs, thereby improving the reliability of data transmission.
- the UE performs connection failure detection for the connection in the SDT process according to the network configuration or protocol agreement, and performs corresponding failure processing after detecting the failure.
- the network side provides connection failure detection configuration and/or beam recovery configuration in the SDT process.
- the UE performs connection failure detection on the connection in the SDT process.
- the network and/or protocol-agreed configuration here includes at least the connection failure configuration described above.
- One or more items in the failure detection configuration and/or beam recovery configuration can be provided to the UE in at least one of the following ways:
- the trigger event of the connection failure detection that starts the SDT process includes any of the following:
- the SDT process is triggered
- Uplink data is sent for the first time in the SDT process.
- the data sent for the first time in the SDT process includes any of the following:
- the four-step RACH SDT sends data through Msg3 for the first time.
- the two-step RACH SDT sends data through MsgA for the first time.
- CG-SDT sends data through CG resources for the first time.
- An acknowledgment indication from the network side is received. Including any of the following:
- the four-step RACH SDT successfully receives the contention resolution flag of Msg4.
- the two-step RACH SDT successfully receives the MsgB's contention resolution flag.
- the CG-SDT successfully receives the data reception success indication sent by the network.
- stop event for stopping the connection failure detection includes any of the following:
- connection state of the UE is changed from an inactive state (RRC_INACTIVE) or from an inactive state to an idle state (RRC_IDLE).
- connection state of the UE is changed to the connected state (RRC_CONNECTED).
- the specific indication information may include any of the following:
- the situation of the failure detection configuration through agreement agreement includes at least one of the following:
- the values of the counters and/or timers in the failure detection configuration are agreed upon by the protocol.
- the signal used for the out-of-sync detection of the physical layer is stipulated by the protocol.
- the signal used for physical layer out-of-sync detection can be any of the following:
- the downlink signal includes any of the following:
- PRACH transmits resource-associated downlink signals.
- the four PRACH resources in the PRACH configuration ie, PRACH-1/2/3/4) correspond to four different downlink signals; these four downlink signals may include: SSB- 1/2/3/4.
- the UE selects PRACH-1 for sending uplink data, and the SSB-1 associated with PRACH-1 is used for physical layer out-of-sync detection.
- the downlink signal corresponding to the physical control channel identified by the contention resolution of Msg4 is scheduled.
- the scheduling Msg4 contention resolution identifier PDSCH Physical Downlink Shared Channel, Physical Downlink Shared Channel
- PDCCH Physical Downlink Control Channel
- SSB-1 Signal that has a quasi-co-location relationship with the PDCCH channel
- the contention resolution identifier of Msg4 is used for the downlink signal corresponding to the physical control channel for subsequent data scheduling.
- the UE configures the corresponding PDCCH through a specific search space (search space) to receive scheduling information for subsequent data transmission and reception, and signals that have a quasi-co-location relationship with the PDCCH channel, such as SSB-1.
- search space search space
- the signal having a quasi-co-location relationship with the PDCCH channel may be: a downlink signal associated with PRACH transmission resources.
- All specific downlink signals corresponding to the cell or BWP where the SDT process is located for example, the SDT process is configured to be executed on the initial (initial) BWP, and all SSBs configured on the initial BWP.
- All specific downlink signals detected corresponding to the cell or BWP where the SDT process is located are configured to be executed on the initial BWP, the specific downlink signal configured on the initial BWP is SSB-1/2/3/4, and the UE detects SSB-1/2. Then SSB-1/2 is used as the detection signal.
- this signal includes any of the following:
- MsgA sends resource-associated downlink signals, for example, the four PRACH resources (ie, PRACH-1/2/3/4) in the MsgA configuration correspond to four different downlink signals, for example, SSB-1/2/3/ 4.
- the UE selects PRACH-1 for sending uplink data, and the SSB-1 associated with PRACH-1 is used for physical layer out-of-sync detection.
- Scheduling the downlink signal corresponding to the physical control channel of the MsgB contention resolution identifier for example, scheduling the MsgB contention resolution identifier PDSCH to send is a PDCCH channel, and a downlink signal that has a quasi-co-location relationship with the PDCCH channel, such as SSB-1.
- the UE After successfully receiving the contention resolution identifier of MsgB, it is used for the downlink signal corresponding to the physical control channel for subsequent data scheduling. For example, after the contention in the SDT process is resolved, the UE configures the corresponding PDCCH through a specific search space to receive the scheduling information for subsequent data transmission and reception.
- the signal that has a quasi-co-location relationship with the PDCCH channel is the downlink signal for connection failure detection during the SSD process. Exemplarily such as SSB-1.
- the signal having a quasi-co-location relationship with the PDCCH channel may be a downlink signal associated with sending resources of MsgA.
- this signal includes any of the following:
- CG PUSCH sends resource-associated downlink signals.
- one resource period in CG configuration includes four CG resources (ie, CG-1/2/3/4) corresponding to four different downlink signals.
- CG-1/2/3/4 the UE selects CG-1 for sending uplink data
- the SSB-1 associated with CG-1 is used for physical layer out-of-sync detection.
- the downlink signal corresponding to the physical control channel that sends the data reception success indication for example, the PDCCH channel that sends the data reception success indication, and the downlink signal that has a quasi-co-location relationship with the PDCCH channel, for example, SSB-1.
- the UE After successfully receiving the data reception success indication, it is used for the downlink signal corresponding to the physical control channel for subsequent data scheduling. For example, after the SDT process successfully receives the data reception success indication, the UE configures the corresponding PDCCH through a specific search space (search space) to receive scheduling information for subsequent data transmission and reception, and signals that have a quasi-co-location relationship with the PDCCH channel, for example, SSB -1.
- search space search space
- the signal having a quasi-co-location relationship with the PDCCH channel may be a downlink signal associated with CG PUSCH transmission resources.
- the signal used for beam failure detection is agreed by agreement.
- the signal for beam failure detection may be specified with reference to the signal used for out-of-synchronization detection at the physical layer through the protocol.
- Step 2 According to step 1, when the UE detects the connection failure, determine the connection failure type; and reacquire the connection according to the connection failure type.
- the following provides several alternative ways to re-acquire the connection after a connection failure is detected:
- Alternative way 1 UE transitions from an inactive state (RRC_INATIVE) to an idle state (RRC_IDLE). Furthermore, the AS (Access Stratum, access stratum) layer of the UE may indicate the failure information to the NAS (Non-Access Stratum, non-access stratum) layer. Furthermore, the NAS layer of the UE can trigger the connection establishment process.
- Alternative method 2 UE triggers the connection establishment process, which may be to re-establish the connection by sending a connection establishment request message;
- UE triggers a connection recovery process, which may be: by sending a connection recovery request message to request connection recovery.
- UE triggers a connection reestablishment process, which may be: after selecting a suitable cell from the cell selection process, the UE sends a connection reestablishment request message to implement connection reestablishment.
- the processing method of the UE for the beam failure may include:
- the beam recovery process includes any of the following:
- a specific downlink beam meeting the measurement threshold is selected, and corresponding uplink transmission resources are selected according to the specific downlink beam for uplink signal transmission.
- the UE triggers a random access process, selects a specific downlink beam SSB-1 that meets the threshold value, and selects the PRACH-1 resource associated with the SSB-1 to send a random access request.
- the UE sends its identification information to the network side.
- the C-RNTI MAC CE is sent to the network side in Msg3 or MsgA.
- the beam identified by the SSB-1 is used as its serving beam.
- one or more items of the beam recovery configuration information may be provided to the UE in at least one of the following ways:
- the beam recovery configuration is sent to the UE through a protocol agreement.
- the situation that the configuration of the beam recovery is stipulated through the agreement includes at least one of the following:
- the random access priority configuration in the beam recovery configuration is stipulated through the agreement.
- the access priority configuration involves a power ramp value, and/or a backoff time scaling factor value for retransmission of a random access request.
- all contention-based random access request resources of the BWP or cell where the SDT process is located are multiplexed as beam recovery random access request resources.
- the BWP where the SDT process is located or the measurement threshold value of the downlink signal selection corresponding to the random access request resource of the contention-based random access process of the cell is multiplexed as the measurement threshold of the selected candidate beam in the beam restoration process value.
- the resources of the network feedback information for beam restoration are:
- the PDCCH of search space-1 is used for data scheduling in the subsequent data transmission phase.
- search space-0 search space-0
- control set CORESET-0
- the UE adopts any one of the above alternatives 1 to 4, specifically, the connection between the UE and the base station may be re-acquired through the process of connection establishment or connection re-establishment.
- the beam recovery failure here may exemplarily include: the random access procedure corresponding to the beam recovery reaches the maximum number of times of transmission.
- the UE may report the failure information of the detection result of the connection failure detection to the network side. For example, the UE only reports failure information, but not success information, reducing unnecessary reporting. If the network side does not receive any information about the connection detection result, it defaults that the connection failure detection of the UE's SDT process does not find a failed connection. If the failure information is received, it is considered that a failed connection is found in the connection failure detection of the SDT process of the UE. Of course, in other cases, the failure detection result may also include: the success information of the detection result that detects that the connection has not failed (that is, the connection is successful).
- the failure message includes at least one of the following:
- connection failure type indication is used to indicate the physical layer out-of-synchronization, the MAC layer random access failure, the RLC layer failure to reach the maximum number of retransmissions, or the beam failure that lead to the connection failure.
- SDT process indication at least for indicating whether the detected connection failure occurs during the SDT process
- the SDT process type indicates, for example, the SDT process type may include: an SDT process occurring in four-step random access, an SDT process occurring in two-step random access, or an SDT process performed based on CG-PUSCH resources.
- the service instruction information includes at least one of the following:
- the radio bearer identifier may be a data bearer identifier (Date Radio Bearer, DRB).
- Service flow identification for example, QoS flow-1
- Session ID for example, PDU Session-1;
- Logical channel identifier for example, LCH-1.
- connection failure detection device which includes:
- the detection module 510 is configured to perform connection failure detection for the small data transmission SDT process.
- the detection module 510 may be a program module, and after the program module is executed by the processor, it can perform connection failure detection for the SDT process.
- the detection module 510 may be a combination of hardware and software; the combination of hardware and software includes but is not limited to: a programmable circuit; the programmable circuit includes but is not limited to: a field programmable circuit and/or complex programmable circuits.
- the detection module 510 may also include a pure hardware module; the pure hardware module includes but is not limited to an application specific integrated circuit.
- the detection module 510 is configured to perform connection failure detection for the SDT process according to the obtained failure detection configuration.
- the device failure detection configuration includes:
- the failure detection configuration received from the network side includes: the failure detection configuration received from the network side and carried in a system message; and/or, the failure detection configuration received from the network side and carried in a connection The failure detection configuration in the release message.
- the obtaining module is configured to detect a connection failure for the SDT process in response to detecting a trigger event.
- the trigger event includes at least one of the following:
- the UE sends uplink data for the first time in the SDT process
- the UE receives an acknowledgment indication from the network side, wherein the acknowledgment indication is an indication sent by the network side after receiving the uplink data sent for the first time in the SDT process.
- the first sending of uplink data for performing the SDT process includes at least one of the following:
- the UE sends uplink data for the first time through a random access message 3 of four-step random access;
- the UE sends uplink data for the first time through a random access message A of two-step random access;
- the UE sends uplink data for the first time on the configured authorized CG physical uplink shared channel PUSCH resource.
- the acquisition module is configured to perform at least one of the following:
- the contention resolution identifier of the four-step random access message 4 is received from the network side;
- the contention resolution identifier of the two-step random access message B is received from the network side;
- a successful indication of data transmission on the CG PUSCH resource is received from the network side.
- the device also includes:
- a stop module configured to stop the connection failure detection for the SDT process in response to detecting a stop event.
- the detection of the hunger-to-stop event includes: the connection state of the UE changes; and/or, the UE receives specific indication information associated with the connection from the network side.
- connection state of the UE transitions, including at least one of the following:
- the UE transitions from an inactive state to an idle state
- the UE transitions from an inactive state to a connected state
- the UE transitions from an idle state to a connected state.
- the acquisition module is configured to perform at least one of the following:
- the UE receives a connection release message from the network side
- the UE receives a connection recovery message from the network side
- the UE receives a connection rejection message from the network side
- the UE receives a connection establishment message from the network side.
- the failure detection configuration includes at least one of the following:
- Timer information indicating the timer associated with connection failure detection
- the signal indication information is used to indicate the signal for performing the connection failure detection.
- the timer includes at least one of the following:
- the out-of-synchronization timer of the physical layer is used to time the out-of-synchronization of the physical layer
- Detect beam failure timer used to time beam failure detection.
- the counter includes at least one of the following:
- the out-of-synchronization counter is used for physical layer out-of-synchronization indication counting
- the synchronization counter is used for physical layer synchronization indication counting
- a beam failure counter for counting beam failures
- a media access control MAC layer random access counter is used to count the random access times of the MAC layer
- the transmission times counter of the radio link control RLC layer is used for counting the transmission times of the RLC layer.
- the signal indication information is used to indicate at least one of the following:
- a signal of beam failure detection in the connection failure detection is a signal of beam failure detection in the connection failure detection.
- the signal indicated by the signal indication information includes at least one of the following:
- a downlink signal associated with the random access message A of the two-step random access
- the downlink signal associated with the PDCCH of the scheduled data After the contention resolution identifier of the random access message B of the two-step random access is received, the downlink signal associated with the PDCCH of the scheduled data;
- the downlink signal associated with the PDCCH that sends the transmission success indication is: indicating that data transmission is successful on the CG PUSCH;
- a downlink signal sent by the BWP where the UE is located
- the UE can detect the downlink signal of the cell
- a downlink signal that can be detected by the BWP where the UE is located is located.
- the device also includes:
- connection module configured to reacquire a connection in response to determining that the connection fails based on the failure detection result
- the state switching module is configured to enter an idle state in response to determining that the connection fails based on the failure detection result.
- the device also includes:
- the recovery module is configured to perform beam recovery in response to determining that the cause of the connection failure is beam failure based on the failure detection result.
- the recovery module is configured to perform the beam recovery according to the beam recovery configuration.
- the device further includes: a beam recovery configuration module; the beam recovery configuration module is configured to perform at least one of the following:
- the beam recovery configuration is determined based on a protocol agreement.
- the beam recovery configuration includes at least one of the following:
- Beam recovery counter information indicating the counter used for the number of times of beam recovery
- Beam recovery timer information indicating the timer used for beam recovery duration
- the priority configuration is used to indicate the priority of the random access corresponding to the beam restoration, wherein, the random access configuration corresponding to the beam restoration is different for different priorities;
- Resource configuration indicating the resources used for beam recovery
- Threshold configuration indicating the threshold used for beam recovery.
- the resource configuration indicates that the contention-based random access request resources of the cell where the SDT process is located or the BWP are used for beam recovery.
- the threshold configuration indicates a threshold value used for selecting a random access request resource, and is multiplexed as the beam recovery threshold value.
- the device also includes:
- the feedback module is configured to receive feedback information on the beam recovery from the network side, where the feedback information indicates a result of the beam recovery.
- the feedback module is configured to receive the feedback information on resources in the subsequent data transmission phase of the SDT process; and/or receive the information delivered by the network side during random access The feedback information carried in the message.
- the feedback module is configured to receive the feedback information on the PDCCH resource used for scheduling data transmission in the subsequent data transmission phase of the SDT process.
- the feedback module is configured to perform at least one of the following:
- the device also includes:
- connection module configured to re-acquire a connection in response to the beam recovery failure
- the state switching module is configured to enter an idle state in response to the beam restoration failure.
- connection module is configured to perform at least one of the following:
- connection re-establishment is triggered based on the connection re-establishment request message.
- the device also includes:
- the reporting module is configured to report the connection failure detection result.
- the failure detection result includes at least one of the following:
- Connection failure type indication indicating the connection failure type
- the SDT process indication is used to indicate that a connection failure is detected during the SDT process
- SDT stage indication used to indicate the SDT stage where the connection failure occurs, wherein the SDT stage includes: the initial data sending stage and/or the subsequent data sending stage in the SDT process;
- SDT process type indication used for the type of SDT process
- Service indication used to indicate the service that triggers the SDT process.
- the service indication includes at least one of the following:
- the service flow identifier of the service
- the session identifier of the service
- the logical channel identifier of the service is the logical channel identifier of the service.
- an embodiment of the present disclosure provides an information processing device, and the device includes:
- the sending module 610 is configured to send the failure detection configuration, wherein the failure detection configuration is used for the UE to detect the connection failure for the SDT process.
- the sending module 610 may be a program module. After the program module is executed by the processor, it can send the SDT connection failure detection to the UE.
- the detection module can be a combination of hardware and software; the combination of hardware and software includes, but is not limited to: a programmable circuit; the programmable circuit includes, but is not limited to: field programmable circuits and/or complex programmable circuit.
- the detection module may also include a pure hardware module; the pure hardware module includes but is not limited to an application specific integrated circuit.
- the sending module 610 is configured to send a system message carrying the failure detection configuration; and/or, send a connection release message carrying the failure detection configuration.
- the receiving module is further configured to receive specific indication information associated with the connection; wherein the specific indication information is used to trigger the UE to stop connection failure detection for the SDT process.
- the specific indication information includes at least one of the following:
- the failure detection configuration includes at least one of the following:
- Timer information indicating the timer associated with connection failure detection
- the signal indication information is used to indicate the signal for performing the connection failure detection.
- the timer includes at least one of the following:
- the out-of-synchronization timer of the physical layer is used to time the out-of-synchronization of the physical layer
- Detect beam failure timer used to time beam failure detection.
- the counter includes at least one of the following:
- the out-of-synchronization counter is used for physical layer out-of-synchronization indication counting
- the synchronization counter is used for physical layer synchronization indication counting
- a beam failure counter for counting beam failures
- a media access control MAC layer random access counter is used to count the random access times of the MAC layer
- the transmission times counter of the radio link control RLC layer is used for counting the transmission times of the RLC layer.
- the signal indication information is used to indicate at least one of the following:
- a signal of beam failure detection in the connection failure detection is a signal of beam failure detection in the connection failure detection.
- the signal indication information indicates a signal, including at least one of the following:
- the downlink signal associated with the PDCCH channel for scheduling data transmission After successfully receiving the contention resolution identifier of the random access message 4 of the four-step random access, the downlink signal associated with the PDCCH channel for scheduling data transmission;
- a downlink signal associated with the random access message A of the two-step random access
- the downlink signal associated with the PDCCH of the scheduled data After the contention resolution identifier of the random access message B of the two-step random access is received, the downlink signal associated with the PDCCH of the scheduled data;
- the downlink signal associated with the PDCCH that sends the transmission success indication is: indicating that data transmission is successful on the CG PUSCH;
- a downlink signal sent by the cell where the UE is located
- a downlink signal sent by the BWP where the UE is located
- the UE can detect the downlink signal of the cell
- a downlink signal that can be detected by the BWP where the UE is located is located.
- the sending module 610 is further configured to send a beam recovery configuration, where the beam recovery configuration is used for the UE to detect that the cause of the connection failure during the SDT process is a beam failure Beam recovery is performed at the time.
- the sending module 610 is configured to perform at least one of the following:
- the beam recovery configuration includes at least one of the following:
- Beam recovery counter information indicating the counter used for the number of times of beam recovery
- Beam recovery timer information indicating the timer used for beam recovery duration
- the priority configuration is used to indicate the priority of the random access corresponding to the beam restoration, wherein, the random access configuration corresponding to the beam restoration is different for different priorities;
- Resource configuration indicating the resources used for beam recovery
- Threshold configuration indicating the threshold used for beam recovery.
- the resource configuration indicates that the contention-based random access request resources of the cell where the SDT process is located or the BWP are used for beam recovery.
- the threshold configuration indicates a threshold value used for selecting a random access request resource, and is multiplexed as the beam recovery threshold value.
- the sending module 610 is configured to send the feedback information of the beam restoration according to the beam restoration result of the UE.
- the sending module 610 is configured to send the feedback information on resources in the subsequent data sending phase of the SDT process; and/or send the feedback information carrying the feedback information in random access news.
- the sending module 610 is further configured to send the feedback information on the PDCCH resource used for scheduling data transmission in the subsequent data sending phase of the SDT process.
- the sending module 610 is configured to perform at least one of the following:
- the device also includes:
- the receiving module is configured to receive a connection failure detection result.
- the failure detection result includes at least one of the following:
- Connection failure type indication indicating the connection failure type
- the SDT process indication is used to indicate that a connection failure is detected during the SDT process
- SDT stage indication used to indicate the SDT stage where the connection failure occurs, wherein the SDT stage includes: the initial data sending stage and/or the subsequent data sending stage in the SDT process;
- SDT process type indication used for the type of SDT process
- Service indication used to indicate the service that triggers the SDT process.
- the service indication includes at least one of the following:
- the service flow identifier of the service
- the logical channel identifier of the service is the logical channel identifier of the service.
- An embodiment of the present disclosure provides a communication device, including:
- memory for storing processor-executable instructions
- the processor is configured to execute the connection failure detection method provided by any of the aforementioned technical solutions.
- the processor may include various types of storage media, which are non-transitory computer storage media, and can continue to memorize and store information thereon after the communication device is powered off.
- the communication device includes: a UE or a base station.
- the processor may be connected to the memory through a bus, etc., for reading the executable program stored on the memory, for example, at least one of the methods shown in FIG. 2 , FIG. 4 to FIG. 8 .
- Fig. 11 is a block diagram of a UE 800 according to an exemplary embodiment.
- UE 800 may be a mobile phone, computer, digital broadcast user equipment, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, etc.
- UE 800 may include one or more of the following components: a processing component 802, a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and communication component 816 .
- Processing component 802 generally controls the overall operations of UE 800, such as those associated with display, phone calls, data communications, camera operations, and recording operations.
- the processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above method.
- processing component 802 may include one or more modules that facilitate interaction between processing component 802 and other components.
- processing component 802 may include a multimedia module to facilitate interaction between multimedia component 808 and processing component 802 .
- the memory 804 is configured to store various types of data to support operations at the UE 800 . Examples of such data include instructions for any application or method operating on UE800, contact data, phonebook data, messages, pictures, videos, etc.
- the memory 804 can be implemented by any type of volatile or non-volatile storage device or their combination, 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.
- SRAM static random access memory
- EEPROM electrically erasable programmable read-only memory
- EPROM erasable Programmable Read Only Memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Magnetic or Optical Disk Magnetic Disk
- the power supply component 806 provides power to various components of the UE 800 .
- Power components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for UE 800 .
- the multimedia component 808 includes a screen providing an output interface between the UE 800 and the user.
- 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 not only sense a boundary of a touch or swipe action, but also detect duration and pressure associated with the touch or swipe action.
- the multimedia component 808 includes a front camera and/or a rear camera. When the UE800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.
- the audio component 810 is configured to output and/or input audio signals.
- the audio component 810 includes a microphone (MIC), which is configured to receive an external audio signal when the UE 800 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode. Received audio signals may be further stored in memory 804 or sent via communication component 816 .
- the audio component 810 also includes a speaker for outputting audio signals.
- the I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.
- Sensor component 814 includes one or more sensors for providing various aspects of status assessment for UE 800 .
- the sensor component 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and the keypad of the UE800, the sensor component 814 can also detect the position change of the UE800 or a component of the UE800, and the user and Presence or absence of UE800 contact, UE800 orientation or acceleration/deceleration and temperature change of UE800.
- Sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
- Sensor assembly 814 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor component 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.
- Communication component 816 is configured to facilitate wired or wireless communications between UE 800 and other devices.
- the UE800 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
- the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
- the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
- NFC near field communication
- the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.
- RFID Radio Frequency Identification
- IrDA Infrared Data Association
- UWB Ultra Wide Band
- Bluetooth Bluetooth
- UE 800 may be powered by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gates Arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic implementations for performing the methods described above.
- ASICs Application Specific Integrated Circuits
- DSPs Digital Signal Processors
- DSPDs Digital Signal Processing Devices
- PLDs Programmable Logic Devices
- FPGAs Field Programmable Gates Arrays
- controllers microcontrollers, microprocessors or other electronic implementations for performing the methods described above.
- a non-transitory computer-readable storage medium including instructions, such as a memory 804 including instructions.
- the above instructions can be executed by the processor 820 of the UE 800 to complete any of the above connection failure detection methods, at least At least one of the methods shown in FIG. 6 to FIG. 8 .
- the non-transitory computer readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
- base station 900 includes a processing component 922, which further includes one or more processors, and a memory resource represented by a memory 932 for storing instructions executable by the processing component 922, such as application programs.
- the application program stored in memory 932 may include one or more modules each corresponding to a set of instructions.
- the processing component 922 is configured to execute instructions, so as to perform any of the aforementioned methods applied to the base station, for example, at least one of the methods shown in FIG. 6 to FIG. 8 .
- Base station 900 may also include a power component 926 configured to perform power management of base station 900, a wired or wireless network interface 950 configured to connect base station 900 to a network, and an input-output (I/O) interface 958.
- the base station 900 can operate based on an operating system stored in the memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
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Abstract
Description
Claims (110)
- 一种连接失败检测方法,其中,由用户设备UE执行,所述方法包括:针对小数据传输SDT过程进行连接失败检测。
- 根据权利要求1所述的方法,其中,所述针对小数据传输SDT过程进行连接失败检测,包括:根据获取的失败检测配置,针对所述SDT过程进行连接失败检测。
- 根据权利要求2所述的方法,其中,所述失败检测配置包括:从网络侧接收的失败检测配置;和/或,协议约定的所述失败检测配置。
- 根据权利要求3所述的方法,其中,所述从网络侧接收的失败检测配置包括:从网络侧接收的且携带在系统消息中的所述失败检测配置;和/或,从网络侧接收的且携带在连接释放消息中的所述失败检测配置。
- 根据权利要求1至4任一项所述的方法,其中,所述针对小数据传输SDT过程进行连接失败检测,包括:响应于检测到触发事件,针对所述SDT过程进行连接失败检测。
- 根据权利要求5所述的方法,其中,所述触发事件,包括以下至少之一:启动所述SDT过程;所述UE进行所述SDT过程的首次发送上行数据;所述UE从网络侧接收到确认指示,其中,所述确认指示为:所述网络侧接收到所述SDT过程的首次发送的上行数据后发送的指示。
- 根据权利要求6所述的方法,其中,所述进行所述SDT过程的首次发送上行数据,包括以下至少之一:所述UE通过四步随机接入的随机接入消息3首次发送上行数据;所述UE通过两步随机接入的随机接入消息A首次发送上行数据;所述UE在配置授权CG物理上行共享信道PUSCH资源上首次发送上行数据。
- 根据权利要求6所述的方法,其中,所述UE从网络侧接收到确认指示,包括:从网络侧接收到四步随机接入消息4的竞争解决标识;从网络侧接收到两步随机接入消息B的竞争解决标识;从网络侧接收到在CG PUSCH资源上的数据发送的成功指示。
- 根据权利要求1至8任一项所述的方法,其中,所述方法还包括:响应于检测到停止事件,停止针对所述SDT过程的所述连接失败检测。
- 根据权利要求9所述的方法,其中,所述检测到停止事件,包括:所述UE的连接状态发生转换;和/或,所述UE从网络侧接收到与连接关联的特定指示信息。
- 根据权利要求10所述的方法,其中,所述UE的连接状态发生转换,包括以下至少之一:所述UE从非激活态转换到空闲态;所述UE从非激活态转换到连接态;所述UE从空闲态转换到连接态。
- 根据权利要求10所述的方法,其中,所述UE从网络侧接收到与连接关联的特定指示信息,包括以下至少之一:所述UE从所述网络侧接收到连接释放消息;所述UE从所述网络侧接收到连接恢复消息;所述UE从所述网络侧接收到连接拒绝消息;所述UE从所述网络侧接收到连接建立消息。
- 根据权利要求2所述的方法,其中,所述失败检测配置,包括以下至少之一:计时器信息,指示与连接失败检测关联的计时器;计数器信息,指示与所述连接失败检测关联的计数器;信号指示信息,用于指示进行所述连接失败检测的信号。
- 根据权利要求13所述的方法,其中,所述计时器包括以下至少之一:物理层的失步计时器,用于对出现物理层失步计时;检测波束失败的计时器,用于对波束失败检测进行计时。
- 根据权利要求13所述的方法,其中,所述计数器包括以下至少之一:失步计数器,用于物理层失步指示计数;同步计数器,用于物理层同步指示计数;波束失败计数器,用于对波束失败计数;媒体访问控制MAC层随机接入次数计数器,用于进行MAC层的随机接入次数计数;无线链路控制RLC层的传输次数计数器,用于进行RLC层的传输次数计数。
- 根据权利要求13至15任一项所述的方法,所述信号指示信息,用于指示以下至少之一:所述连接失败检测中物理层失步检测的信号;所述连接失败检测中波束失败检测的信号。
- 根据权利要求13至16任一项所述的方法,其中,所述信号指示信息指示的信号,包括以下至少之一:与四步随机接入的物理下行随机接入信道PRACH资源关联的下行信号;与调度所述四步随机接入的竞争解决标识的物理下行控制信道PDCCH关联的下行信号;在成功接收所述四步随机接入的随机接入消息4的竞争解决标识后,与调度数据传输的PDCCH信道关联的下行信号;与两步随机接入的随机接入消息A关联的下行信号;在两步随机接入的随机接入消息B的竞争解决标识接收到后,与调度数据的PDCCH关联的下行信号;与CG PUSCH资源关联的下行信号;与发送传输成功指示的PDCCH关联的下行信号;其中,所述传输成功指示为:指示在CG PUSCH上数据发送成功;在接收到所述传输成功指示之后,与调度数据传输的PDCCH关联的下行信号;所述UE所在小区发送的下行信号;所述UE所在BWP发送的下行信号;所述UE能检测到小区的下行信号;所述UE所在BWP能够检测到的下行信号。
- 根据权利要求1至17任一项所述的方法,其中,所述方法还包括:响应于基于所述失败检测结果确定出连接失败,重新获取连接;或者,响应于基于所述失败检测结果确定出连接失败,进入空闲态。
- 根据权利要求1至17任一项所述的方法,其中,所述方法还包括:响应于基于所述失败检测结果确定连接失败的原因为波束失败,执行波束恢复。
- 根据权利要求19所述的方法,其中,所述执行波束恢复,包括:根据波束恢复配置,执行所述波束恢复。
- 根据权利要求20所述的方法,其中,所述方法还包括以下至少之一:接收系统消息携带的所述波束恢复配置;接收连接释放消息携带的所述波束恢复配置;基于协议约定确定所述波束恢复配置。
- 根据权利要求20或21所述的方法,其中,所述波束恢复配置,包括以下至少之一:波束恢复计数器信息,指示用于波束恢复次数的计数器;波束恢复计时器信息,指示用于波束恢复时长进行计时器;优先级配置,用于指示波束恢复对应的随机接入的优先级,其中,不同所述优先级,对应的波束恢复时的随机接入配置不同;资源配置,指示波束恢复所用的资源;门限配置,指示波束恢复所用的门限值。
- 根据权利要求22所述的方法,其中,所述资源配置,指示SDT过程所在小区或BWP的基于竞争的随机接入请求资源用于波束恢复。
- 根据权利要求22所述的方法,其中,所述门限配置,指示用于选择随机接入请求资源的门限值,复用为所述波束恢复的门限值。
- 根据权利要求20至24任一项所述的方法,其中,所述方法还包括:接收网络侧对所述波束恢复的反馈信息,其中,所述反馈信息,指示所述波束恢复的结果。
- 根据权利要求25所述的方法,其中,所述接收网络侧对所述波束恢复的反馈信息,包括:在所述SDT过程的后续数据发送阶段的资源上接收所述反馈信息;和/或,接收所述网络侧在随机接入中下发的消息携带的所述反馈信息。
- 根据权利要求26所述的方法,其中,所述在所述SDT过程的后续数据发送阶段的资源上接收所述反馈信息,包括:在所述SDT过程的后续数据发送阶段的用于调度数据传输的PDCCH资源上接收所述反馈信息。
- 根据权利要求26所述的方法,其中,所述接收所述网络侧在随机接入中下发的消息携带的所述反馈信息,包括以下至少之一:接收所述网络侧在四步随机接入中下发的随机接入消息2携带的所述反馈信息;接收所述网络侧在四步随机接入中下发的随机接入消息4携带的所述反馈信息;接收所述网络侧在四步随机接入中下发的随机接入消息B携带的所述反馈信息。
- 根据权利要求20至28任一项所述的方法,其中,所述方法还包括:响应所述波束恢复失败,重新获取连接;或者,响应所述波束恢复失败,进入空闲态。
- 根据权利要求18至29任一项所述的方法,其中,所述重新获取连接,包括以下至少之一:基于非接入层NAS消息触发连接建立;基于连接建立请求消息触发连接建立;基于连接恢复请求消息触发连接恢复;基于连接重建请求消息触发连接重建。
- 根据权利要求1至30任一项所述的方法,其中,所述方法还包括:上报连接失败检测结果。
- 根据权利要求31所述的方法,其中,所述失败检测结果包括以下至少之一:连接失败类型指示,指示连接失败类型;SDT过程指示,用于指示在SDT过程中检测到连接失败;SDT阶段指示,用于指示连接失败发生时所在的SDT阶段,其中,所述SDT阶段包括:SDT过程中的初始数据发送阶段和/或后续数据发送阶段;SDT过程类型指示,用于指示SDT过程的类型;业务指示,用于指示触发SDT过程的业务。
- 根据权利要求32所述的方法,其中,所述业务指示,包括以下至少之一:所述业务的无线承载RB标识;所述业务的业务流标识;所述业务的会话标识;所述业务的逻辑信道标识。
- 一种信息处理方法,其中,由基站执行,所述方法包括:发送失败检测配置,其中,所述失败检测配置,用于供UE针对SDT过程的连接失败检测。
- 根据权利要求34所述的方法,其中,所述发送失败检测配置,包括:发送携带有所述失败检测配置的系统消息;和/或,发送携带有所述失败检测配置的连接释放消息。
- 根据权利要求34或35所述的方法,其中,所述方法还包括:发送与连接关联的特定指示信息;其中,所述特定指示信息,用于触发UE停止针对所述SDT过程的连接失败检测。
- 根据权利要求36所述的方法,其中,所述特定指示信息包括以下至少之一:连接释放消息;连接恢复消息;连接拒绝消息;连接建立消息。
- 根据权利要求34至37任一项所述的方法,其中,所述失败检测配置,包括以下至少之一:计时器信息,指示与连接失败检测关联的计时器;计数器信息,指示与所述连接失败检测关联的计数器;信号指示信息,用于指示进行所述连接失败检测的信号。
- 根据权利要求38所述的方法,其中,所述计时器包括以下至少之一:物理层的失步计时器,用于对出现物理层失步计时;检测波束失败的计时器,用于对波束失败检测进行计时。
- 根据权利要求38所述的方法,其中,所述计数器包括以下至少之一:失步计数器,用于物理层失步指示计数;同步计数器,用于物理层同步指示计数;波束失败计数器,用于对波束失败计数;媒体访问控制MAC层随机接入次数计数器,用于进行MAC层的随机接入次数计数;无线链路控制RLC层的传输次数计数器,用于进行RLC层的传输次数计数。
- 根据权利要求38至40任一项所述的方法,所述信号指示信息,用于指示以下至少之一:所述连接失败检测中物理层失步检测的信号;所述连接失败检测中波束失败检测的信号。
- 根据权利要求38至41任一项所述的方法,其中,所述信号指示信息指示信号,包括以下至少之一:与四步随机接入的物理下行随机接入信道PRACH资源关联的下行信号;与调度所述四步随机接入的竞争解决标识的物理下行控制信道PDCCH关联的下行信号;在成功接收所述四步随机接入的随机接入消息4的竞争解决标识后,与调度数据传输的PDCCH信道关联的下行信号;与两步随机接入的随机接入消息A关联的下行信号;在两步随机接入的随机接入消息B的竞争解决标识接收到后,与调度数据的PDCCH关联的下行信号;与CG PUSCH资源关联的下行信号;与发送传输成功指示的PDCCH关联的下行信号;其中,所述传输成功指示为:指示在CG PUSCH上数据发送成功;在接收到所述传输成功指示之后,与调度数据传输的PDCCH关联的下行信号;所述UE所在小区发送的下行信号;所述UE所在BWP发送的下行信号;所述UE能检测到小区的下行信号;所述UE所在BWP能够检测到的下行信号。
- 根据权利要求34至42任一项所述的方法,其中,所述方法还包括:发送波束恢复配置,其中,所述波束恢复配置,用于供所述UE在所述SDT过程中检测到连接失败的原因为波束失败时执行波束恢复。
- 根据权利要求43所述的方法,其中,所述发送波束恢复配置,包括以下至少之一:发送携带有所述波束恢复配置的系统消息;发送携带有所述波束恢复配置的连接释放消息。
- 根据权利要求43或44所述的方法,其中,所述波束恢复配置,包括以下至少之一:波束恢复计数器信息,指示用于波束恢复次数的计数器;波束恢复计时器信息,指示用于波束恢复时长进行计时器;优先级配置,用于指示波束恢复对应的随机接入的优先级,其中,不同所述优先级,对应的波束恢复时的随机接入配置不同;资源配置,指示波束恢复所用的资源;门限配置,指示波束恢复所用的门限值。
- 根据权利要求45所述的方法,其中,所述资源配置,指示SDT过程所在小区或BWP的基于竞争的随机接入请求资源用于波束恢复。
- 根据权利要求45所述的方法,其中,所述门限配置,指示用于选择随机接入请求资源的门限值,复用为所述波束恢复的门限值。
- 根据权利要求43至47任一项所述的方法,其中,所述方法还包括:根据所述UE的波束恢复的结果,发送所述波束恢复的反馈信息。
- 根据权利要求48所述的方法,其中,所述发送所述波束恢复的反馈信息,包括:在所述SDT过程的后续数据发送阶段的资源上发送所述反馈信息;和/或,在随机接入中发送携带有所述反馈信息的消息。
- 根据权利要求49所述的方法,其中,所述在所述SDT过程的后续数据发送阶段的资源上发送所述反馈信息,包括:在所述SDT过程的后续数据发送阶段的用于调度数据传输的PDCCH资源上发送所述反馈信息。
- 根据权利要求49所述的方法,其中,所述在随机接入中发送携带有所述反馈信息的消息,包括以下至少之一:在所述网络侧在四步随机接入中发送携带有所述反馈信息的随机接入消息2;在所述四步随机接入中发送携带有所述反馈信息的随机接入消息4;在所述四步随机接入中发送携带有所述反馈信息的随机接入消息B。
- 根据权利要求34至51任一项所述的方法,其中,所述方法还包括:接收连接失败检测结果。
- 根据权利要求52所述的方法,其中,所述失败检测结果包括以下至少之一:连接失败类型指示,指示连接失败类型;SDT过程指示,用于指示在SDT过程中检测到连接失败;SDT阶段指示,用于指示连接失败发生时所在的SDT阶段,其中,所述SDT阶段包括:SDT过程中的初始数据发送阶段和/或后续数据发送阶段;SDT过程类型指示,用于SDT过程的类型;业务指示,用于指示触发SDT过程的业务。
- 根据权利要求53所述的方法,其中,所述业务指示,包括以下至少之一:所述业务的无线承载RB标识;所述业务的业务流标识;所述业务的会话标识;所述业务的逻辑信道标识。
- 一种连接失败检测装置,其中,由用户设备UE执行,所述装置包括:检测模块,被配置为针对小数据传输SDT过程进行连接失败检测。
- 根据权利要求55所述的装置,其中,所述检测模块,被配置为根据获取的失败检测配置, 针对所述SDT过程进行连接失败检测。
- 根据权利要求56所述的装置,其中,所述失败检测配置包括:从网络侧接收的失败检测配置;和/或,协议约定的所述失败检测配置。
- [根据细则26改正26.07.2021]
根据权利要求57所述的装置,其中,所述从网络侧接收的失败检测配置包括:从网络侧接收的且携带在系统消息中的所述失败检测配置;和/或,从网络侧接收的且携带在连接释放消息中的所述失败检测配置。 - 根据权利要求55至58任一项所述的方法,其中,所述获取模块,被配置为响应于检测到触发事件,针对所述SDT过程进行连接失败检测。
- 根据权利要求59所述的装置,其中,所述触发事件,包括以下至少之一:启动所述SDT过程;所述UE进行所述SDT过程的首次发送上行数据;所述UE从网络侧接收到确认指示,其中,所述确认指示为:所述网络侧接收到所述SDT过程的首次发送的上行数据后发送的指示。
- 根据权利要求60所述的装置,其中,所述进行所述SDT过程的首次发送上行数据,包括以下至少之一:所述UE通过四步随机接入的随机接入消息3首次发送上行数据;所述UE通过两步随机接入的随机接入消息A首次发送上行数据;所述UE在配置授权CG物理上行共享信道PUSCH资源上首次发送上行数据。
- 根据权利要求60所述的装置,其中,所述获取模块,被配置为执行以下至少之一:从网络侧接收到四步随机接入消息4的竞争解决标识;从网络侧接收到两步随机接入消息B的竞争解决标识;从网络侧接收到在CG PUSCH资源上的数据发送的成功指示。
- 根据权利要求55至62任一项所述的装置,其中,所述装置还包括:停止模块,被配置为响应于检测到停止事件,停止针对所述SDT过程的所述连接失败检测。
- 根据权利要求63所述的装置,其中,所述检测到停止事件,包括:所述UE的连接状态发生转换;和/或,所述UE从网络侧接收到与连接关联的特定指示信息。
- 根据权利要求64所述的装置,其中,所述UE的连接状态发生转换,包括以下至少之一:所述UE从非激活态转换到空闲态;所述UE从非激活态转换到连接态;所述UE从空闲态转换到连接态。
- 根据权利要求63所述的装置,其中,所述获取模块,被配置执行以下至少之一:所述UE从所述网络侧接收到连接释放消息;所述UE从所述网络侧接收到连接恢复消息;所述UE从所述网络侧接收到连接拒绝消息;所述UE从所述网络侧接收到连接建立消息。
- 根据权利要求56所述的方法,其中,所述失败检测配置,包括以下至少之一:计时器信息,指示与连接失败检测关联的计时器;计数器信息,指示与所述连接失败检测关联的计数器;信号指示信息,用于指示进行所述连接失败检测的信号。
- 根据权利要求67所述的装置,其中,所述计时器包括以下至少之一:物理层的失步计时器,用于对出现物理层失步计时;检测波束失败的计时器,用于对波束失败检测进行计时。
- 根据权利要求67所述的装置,其中,所述计数器包括以下至少之一:失步计数器,用于物理层失步指示计数;同步计数器,用于物理层同步指示计数;波束失败计数器,用于对波束失败计数;媒体访问控制MAC层随机接入次数计数器,用于进行MAC层的随机接入次数计数;无线链路控制RLC层的传输次数计数器,用于进行RLC层的传输次数计数。
- 根据权利要求67至69任一项所述的装置,所述信号指示信息,用于指示以下至少之一:所述连接失败检测中物理层失步检测的信号;所述连接失败检测中波束失败检测的信号。
- 根据权利要求67至70任一项所述的装置,其中,所述信号指示信息指示的信号,包括以下至少之一:与四步随机接入的物理下行随机接入信道PRACH资源关联的下行信号;与调度所述四步随机接入的竞争解决标识的物理下行控制信道PDCCH关联的下行信号;在成功接收所述四步随机接入的随机接入消息4的竞争解决标识后,与调度数据传输的PDCCH信道关联的下行信号;与两步随机接入的随机接入消息A关联的下行信号;在两步随机接入的随机接入消息B的竞争解决标识接收到后,与调度数据的PDCCH关联的下行信号;与CG PUSCH资源关联的下行信号;与发送传输成功指示的PDCCH关联的下行信号;其中,所述传输成功指示为:指示在CG PUSCH上数据发送成功;在接收到所述传输成功指示之后,与调度数据传输的PDCCH关联的下行信号;所述UE所在小区发送的下行信号;所述UE所在BWP发送的下行信号;所述UE能检测到小区的下行信号;所述UE所在BWP能够检测到的下行信号。
- 根据权利要求55至71任一项所述的装置,其中,所述装置还包括:连接模块,被配置为响应于基于所述失败检测结果确定出连接失败,重新获取连接;或者,状态切换模块,被配置为响应于基于所述失败检测结果确定出连接失败,进入空闲态。
- 根据权利要求55至72任一项所述的装置,其中,所述装置还包括:恢复模块,被配置为响应于基于所述失败检测结果确定连接失败的原因为波束失败,执行波束恢复。
- 根据权利要求73所述的装置,其中,所述恢复模块,被配置为根据波束恢复配置,执行所述波束恢复。
- 根据权利要求74所述的装置,其中,所述装置还包括:波束恢复配置模块;所述波束恢复配置模块被配置执行以下至少之一:接收系统消息携带的所述波束恢复配置;接收连接释放消息携带的所述波束恢复配置;基于协议约定确定所述波束恢复配置。
- 根据权利要求74或75所述的装置,其中,所述波束恢复配置,包括以下至少之一:波束恢复计数器信息,指示用于波束恢复次数的计数器;波束恢复计时器信息,指示用于波束恢复时长进行计时器;优先级配置,用于指示波束恢复对应的随机接入的优先级,其中,不同所述优先级,对应的波束恢复时的随机接入配置不同;资源配置,指示波束恢复所用的资源;门限配置,指示波束恢复所用的门限值。
- 根据权利要求76所述的装置,其中,所述资源配置,指示SDT过程所在小区或BWP的基于竞争的随机接入请求资源用于波束恢复。
- 根据权利要求77所述的装置,其中,所述门限配置,指示用于选择随机接入请求资源的门限值,复用为所述波束恢复的门限值。
- 根据权利要求75至78任一项所述的装置,其中,所述装置还包括:反馈模块,被配置为接收网络侧对所述波束恢复的反馈信息,其中,所述反馈信息,指示所述波束恢复的结果。
- 根据权利要求79所述的装置,其中,所述反馈模块,被配置为在所述SDT过程的后续数 据发送阶段的资源上接收所述反馈信息;和/或,接收所述网络侧在随机接入中下发的消息携带的所述反馈信息。
- 根据权利要求80所述的装置,其中,所述反馈模块,被配置为在所述SDT过程的后续数据发送阶段的用于调度数据传输的PDCCH资源上接收所述反馈信息。
- 根据权利要求80所述的装置,其中,所述反馈模块,被配置为执行以下至少之一:接收所述网络侧在四步随机接入中下发的随机接入消息2携带的所述反馈信息;接收所述网络侧在四步随机接入中下发的随机接入消息4携带的所述反馈信息;接收所述网络侧在四步随机接入中下发的随机接入消息B携带的所述反馈信息。
- 根据权利要求73至82任一项所述的装置,其中,所述装置还包括:连接模块,被配置为响应所述波束恢复失败,重新获取连接;或者,状态切换模块,被配置为响应所述波束恢复失败,进入空闲态。
- 根据权利要求72至83任一项所述的装置,其中,所述连接模块,被配置为执行以下至少之一:基于非接入层NAS消息触发连接建立;基于连接建立请求消息触发连接建立;基于连接恢复请求消息触发连接恢复;基于连接重建请求消息触发连接重建。
- 根据权利要求55至84任一项所述的装置,其中,所述装置还包括:上报模块,被配置为上报连接失败检测结果。
- 根据权利要求85所述的装置,其中,所述失败检测结果包括以下至少之一:连接失败类型指示,指示连接失败类型;SDT过程指示,用于指示在SDT过程中检测到连接失败;SDT阶段指示,用于指示连接失败发生时所在的SDT阶段,其中,所述SDT阶段包括:SDT过程中的初始数据发送阶段和/或后续数据发送阶段;SDT过程类型指示,用于SDT过程的类型;业务指示,用于指示触发SDT过程的业务。
- 根据权利要求86所述的装置,其中,所述业务指示,包括以下至少之一:所述业务的无线承载RB标识;所述业务的业务流标识;所述业务的会话标识;所述业务的逻辑信道标识。
- 一种信息处理装置,所述装置包括:发送模块,被配置为发送失败检测配置,其中,所述失败检测配置,用于供UE针对SDT过程 的连接失败检测。
- 根据权利要求88所述的装置,其中,所述发送模块,被配置为发送携带有所述失败检测配置的系统消息;和/或,发送携带有所述失败检测配置的连接释放消息。
- 根据权利要求88或89所述的装置,其中,所述发送模块,被配置为发送与连接关联的特定指示信息;其中,所述特定指示信息,用于触发UE停止针对所述SDT过程的连接失败检测。
- 根据权利要求90所述的装置,其中,所述特定指示信息包括以下至少之一:连接释放消息;连接恢复消息;连接拒绝消息;连接建立消息。
- 根据权利要求88至91任一项所述的装置,其中,所述失败检测配置,包括以下至少之一:计时器信息,指示与连接失败检测关联的计时器;计数器信息,指示与所述连接失败检测关联的计数器;信号指示信息,用于指示进行所述连接失败检测的信号。
- 根据权利要求92所述的装置,其中,所述计时器包括以下至少之一:物理层的失步计时器,用于对出现物理层失步计时;检测波束失败的计时器,用于对波束失败检测进行计时。
- 根据权利要求92所述的装置,其中,所述计数器包括以下至少之一:失步计数器,用于物理层失步指示计数;同步计数器,用于物理层同步指示计数;波束失败计数器,用于对波束失败计数;媒体访问控制MAC层随机接入次数计数器,用于进行MAC层的随机接入次数计数;无线链路控制RLC层的传输次数计数器,用于进行RLC层的传输次数计数。
- 根据权利要求92至94任一项所述的装置,其中,所述信号指示信息,用于指示以下至少之一:所述连接失败检测中物理层失步检测的信号;所述连接失败检测中波束失败检测的信号。
- 根据权利要求92至95任一项所述的装置,其中,所述信号指示信息指示信号,包括以下至少之一:与四步随机接入的物理下行随机接入信道PRACH资源关联的下行信号;与调度所述四步随机接入的竞争解决标识的物理下行控制信道PDCCH关联的下行信号;在成功接收所述四步随机接入的随机接入消息4的竞争解决标识后,与调度数据传输的PDCCH信道关联的下行信号;与两步随机接入的随机接入消息A关联的下行信号;在两步随机接入的随机接入消息B的竞争解决标识接收到后,与调度数据的PDCCH关联的下行信号;与CG PUSCH资源关联的下行信号;与发送传输成功指示的PDCCH关联的下行信号;其中,所述传输成功指示为:指示在CG PUSCH上数据发送成功;在接收到所述传输成功指示之后,与调度数据传输的PDCCH关联的下行信号;所述UE所在小区发送的下行信号;所述UE所在BWP发送的下行信号;所述UE能检测到小区的下行信号;所述UE所在BWP能够检测到的下行信号。
- 根据权利要求88至96任一项所述的装置,其中,所述发送模块,还被配置为发送波束恢复配置,其中,所述波束恢复配置,用于供所述UE在所述SDT过程中检测到连接失败的原因为波束失败时执行波束恢复。
- 根据权利要求97所述的装置,其中,所述发送模块,被配置为执行以下至少之一:发送携带有所述波束恢复配置的系统消息;发送携带有所述波束恢复配置的连接释放消息。
- 根据权利要求97或98所述的装置,其中,所述波束恢复配置,包括以下至少之一:波束恢复计数器信息,指示用于波束恢复次数的计数器;波束恢复计时器信息,指示用于波束恢复时长进行计时器;优先级配置,用于指示波束恢复对应的随机接入的优先级,其中,不同所述优先级,对应的波束恢复时的随机接入配置不同;资源配置,指示波束恢复所用的资源;门限配置,指示波束恢复所用的门限值。
- 根据权利要求99所述的装置,其中,所述资源配置,指示SDT过程所在小区或BWP的基于竞争的随机接入请求资源用于波束恢复。
- 根据权利要求100所述的装置,其中,所述门限配置,指示用于选择随机接入请求资源的门限值,复用为所述波束恢复的门限值。
- 根据权利要求88至101任一项所述的装置,其中,所述发送模块,被配置为根据所述UE的波束恢复的结果,发送所述波束恢复的反馈信息。
- 根据权利要求102所述的装置,其中,所述发送模块,被配置为在所述SDT过程的后续数据发送阶段的资源上发送所述反馈信息;和/或,在随机接入中发送携带有所述反馈信息的消息。
- 根据权利要求103所述的装置,其中,所述发送模块,还被配置为在所述SDT过程的后续数据发送阶段的用于调度数据传输的PDCCH资源上发送所述反馈信息。
- 根据权利要求102所述的装置,其中,所述发送模块,被配置为执行以下至少之一:在所述网络侧在四步随机接入中发送携带有所述反馈信息的随机接入消息2;在所述四步随机接入中发送携带有所述反馈信息的随机接入消息4;在所述四步随机接入中发送携带有所述反馈信息的随机接入消息B。
- 根据权利要求88至105任一项所述的装置,其中,所述装置还包括:接收模块,被配置为接收连接失败检测结果。
- 根据权利要求106所述的装置,其中,所述失败检测结果包括以下至少之一:连接失败类型指示,指示连接失败类型;SDT过程指示,用于指示在SDT过程中检测到连接失败;SDT阶段指示,用于指示连接失败发生时所在的SDT阶段,其中,所述SDT阶段包括:SDT过程中的初始数据发送阶段和/或后续数据发送阶段;SDT过程类型指示,用于SDT过程的类型;业务指示,用于指示触发SDT过程的业务。
- 根据权利要求107所述的装置,其中,所述业务指示,包括以下至少之一:所述业务的无线承载RB标识;所述业务的业务流标识;所述业务的会话标识;所述业务的逻辑信道标识。
- 一种通信设备,包括处理器、收发器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序,其中,所述处理器运行所述可执行程序时执行如权利要求1至33或34至54任一项提供的方法。
- 一种计算机存储介质,所述计算机存储介质存储有可执行程序;所述可执行程序被处理器执行后,能够实现如权利要求1至33或34至54任一项提供的方法。
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EP21941079.2A EP4336942A4 (en) | 2021-05-08 | 2021-05-08 | CONNECTION FAILURE DETECTION METHOD AND APPARATUS, COMMUNICATION DEVICE AND STORAGE MEDIUM |
BR112023023206A BR112023023206A2 (pt) | 2021-05-08 | 2021-05-08 | Métodos para detecção de falha de conexão e de processamento de informações, dispositivo de comunicação, e, meio de armazenamento legível por computador não transitório |
KR1020237042297A KR20240005079A (ko) | 2021-05-08 | 2021-05-08 | 연결 실패 검출 방법 및 장치, 통신 디바이스 및 저장 매체(connection failure detection method and apparatus, communication device, and storage medium) |
CN202180001467.6A CN115606309A (zh) | 2021-05-08 | 2021-05-08 | 连接失败检测方法及装置、通信设备及存储介质 |
JP2023568600A JP2024517898A (ja) | 2021-05-08 | 2021-05-08 | 接続失敗検出方法及び装置、通信デバイス及び記憶媒体 |
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WO2024119418A1 (zh) * | 2022-12-07 | 2024-06-13 | 北京小米移动软件有限公司 | 信道检测方法、装置、通信设备及存储介质 |
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