WO2023217076A1 - 一种被用于无线通信的方法和装置 - Google Patents

一种被用于无线通信的方法和装置 Download PDF

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Publication number
WO2023217076A1
WO2023217076A1 PCT/CN2023/092723 CN2023092723W WO2023217076A1 WO 2023217076 A1 WO2023217076 A1 WO 2023217076A1 CN 2023092723 W CN2023092723 W CN 2023092723W WO 2023217076 A1 WO2023217076 A1 WO 2023217076A1
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Prior art keywords
message
sub
radio bearer
condition
node
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English (en)
French (fr)
Inventor
张锦芳
张晓博
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Shanghai Langbo Communication Technology Co Ltd
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Shanghai Langbo Communication Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/25—Maintenance of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states

Definitions

  • the present application relates to methods and devices in wireless communication systems, and in particular to methods and devices in wireless communication that support the transmission of downlink-triggered small data (DL-triggered small data) in the RRC inactive state.
  • DL-triggered small data downlink-triggered small data
  • the RRC (radio resource control, radio resource control) inactive (RRC_INACTIVE) state is a newly introduced RRC state in NR (New Radio, new air interface).
  • NR New Radio, new air interface
  • RRC_CONNECTED New Radio, new air interface
  • Small data services have the characteristics of small data volume and low transmission frequency.
  • the signaling overhead of RRC state transition is greater than the transmission overhead of small data. It also increases the power consumption overhead of UE (User Equipment). Therefore, at the 3GPP RAN#88e plenary meeting, it was decided to start the WI (Work Item, work item) standardization work for small data transmission (SDT) triggered by uplink data when RRC is inactive; at the 3GPP RAN#94e The plenary meeting decided to start WI standardization work for small data transmission triggered by downlink data when RRC is inactive.
  • WI Work Item, work item
  • the network instructs the UE to initiate small data communication by paging the UE.
  • uplink non-small data may arrive. How the UE indicates to the network whether it communicates through SDT or needs to enter the RRC connection state for communication needs to be studied.
  • this application discloses a solution that supports downlink-triggered small data transmission in the RRC inactive state. After receiving the paging message instructing the UE to maintain the RRC inactive state to perform small data transmission, the UE will perform small data transmission according to whether there is Uplink data indicates to the network, so that the network and UE can reach the same understanding, achieve the beneficial effect of saving signaling overhead, and flexibly support data transmission of SDT and RRC connection status.
  • the embodiments and features in the embodiments of the first node of the present application can be applied to the second node, and vice versa.
  • the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily without conflict.
  • This application discloses a method used in a first node of wireless communication, which is characterized by including:
  • the first paging message instructs the first radio bearer set to perform data transmission in the RRC inactive state; the behavior is determined based on whether the first condition set is satisfied.
  • the first sub-message includes: when the first condition set is When all conditions in the first condition set are met, the first sub-message belongs to the first candidate message set; when any condition in the first condition set is not met, the first sub-message belongs to the second candidate message set ;
  • the first condition set at least includes pending uplink data that does not belong to radio bearers outside the first radio bearer set.
  • the above method is suitable for downlink triggered small data transmission.
  • the above method uses the first paging message to instruct the radio bearers in the first radio bearer set to perform data transmission in the RRC inactive state, which can reduce signaling overhead caused by RRC state transition.
  • the above method uses the first paging message to instruct the radio bearers in the first radio bearer set to perform data transmission in the RRC inactive state, which can reduce access delay.
  • the traditional method sets the first sub-message according to the first paging message; the appeal method further sets the first sub-message based on whether the first condition set is satisfied, so that the network and the UE can achieve the same It is understood that the recovery of radio bearers other than the first radio bearer is accelerated.
  • the appeal method indicates the network through the first sub-message, which can flexibly realize backward compatibility and help reduce hardware complexity and cost.
  • any radio bearer in the first radio bearer set is configured for data transmission in an RRC inactive state.
  • any radio bearer in the first radio bearer set is configured for downlink-triggered small data transmission.
  • radio bearers outside the first radio bearer set are not configured for data transmission in the RRC inactive state.
  • radio bearers outside the first radio bearer set remain in a suspended state.
  • the radio bearers in the first radio bearer set are restored in an SDT process; wherein the SDT process is triggered by downlink data, or the SDT process is triggered by uplink data.
  • the first message belongs to one of the SDT process or the first random access process
  • the air interface resources occupied by the PRACH included in the first random access process are reserved for non-SDT triggered random access processes.
  • the SDT process includes one of RA (Random Access, random access)-SDT process or CG (Configured Grant, configuration grant)-SDT process.
  • RA Random Access, random access
  • CG Configured Grant, configuration grant
  • the air interface resources occupied by PRACH (Physical Random Access CHannel, physical random access channel) included in the RA-SDT process are reserved for the random access process triggered by SDT.
  • PRACH Physical Random Access CHannel, physical random access channel
  • the above method indicates the network through the PRACH resources reserved for the RA-SDT, so that the network and the UE can reach the same understanding.
  • the above method realizes that the first node performs SDT in the RRC inactive state, which can significantly reduce signaling overhead, and at the same time, the user equipment obtains the beneficial effect of power saving.
  • the above method can improve access reliability.
  • the first message belongs to the SDT process; when the When the PRACH resources or configured uplink grant resources included in the SDT process are later than the PRACH resources included in the first random access process in the time domain, the first message belongs to the first random access process.
  • the above method can reduce access delay.
  • the above method can reduce access delay.
  • the first message belongs to the second random access process, and the air interface resources occupied by the PRACH included in the second random access process are reserved for non-SDT triggered random access processes; the first set of conditions None of the conditions are met.
  • the above method can be backward compatible with existing technology, helping to reduce hardware complexity and cost.
  • Radio bearers outside the first radio bearer set are not configured to perform data transmission in the RRC inactive state, or radio bearers outside the first radio bearer set have not yet been established.
  • the third message indicates the first radio bearer set.
  • This application discloses a method used in a second node of wireless communication, which is characterized by including:
  • the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; whether the first condition set is satisfied Satisfaction is used to determine the first sub-message including: when all conditions in the first condition set are met, the first sub-message belongs to the first candidate message set; when in the first condition set When any condition of is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes pending messages that do not belong to radio bearers other than the first radio bearer set. Upstream data.
  • the first message belongs to one of the SDT process or the first random access process
  • the air interface resources occupied by the PRACH included in the first random access process are reserved for non-SDT triggered random access processes.
  • the first message belongs to the second random access process, and the air interface resources occupied by the PRACH included in the second random access process are reserved for non-SDT triggered random access processes; the first set of conditions None of the conditions are met.
  • Radio bearers outside the first radio bearer set are not configured to perform data transmission in the RRC inactive state, or radio bearers outside the first radio bearer set have not yet been established.
  • the third message indicates the first radio bearer set.
  • This application discloses a first node used for wireless communication, which is characterized by including:
  • a first receiver receives a first paging message, the first paging message indicating the first node
  • the first transmitter determines the first sub-message according to whether the first condition set is satisfied; in response to receiving the first paging message, sends a first message, the first message including the first sub-message;
  • the first paging message instructs the first radio bearer set to perform data transmission in the RRC inactive state; the behavior is determined based on whether the first condition set is satisfied.
  • the first sub-message includes: when the first condition set is When all conditions in the first condition set are met, the first sub-message belongs to the first candidate message set; when any condition in the first condition set is not met, the first sub-message belongs to the second candidate message set ;
  • the first condition set at least includes pending uplink data that does not belong to radio bearers outside the first radio bearer set.
  • This application discloses a second node used for wireless communication, which is characterized in that it includes:
  • a second transmitter sending a first paging message, the first paging message indicating the first node
  • a second receiver in response to sending the first paging message, receiving a first message, where the first message includes a first sub-message
  • the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; whether the first condition set is satisfied Satisfaction is used to determine the first sub-message including: when all conditions in the first condition set are met, the first sub-message belongs to the first candidate message set; when in the first condition set When any condition of is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes pending messages that do not belong to radio bearers other than the first radio bearer set. Upstream data.
  • Figure 1 illustrates a transmission flow chart of a first node according to an embodiment of the present application
  • Figure 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application
  • Figure 3 illustrates a schematic diagram of the wireless protocol architecture of the user plane and control plane according to one embodiment of the present application
  • Figure 4 illustrates a schematic diagram of a hardware module of a communication device according to an embodiment of the present application
  • Figure 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application
  • Figure 6 illustrates another wireless signal transmission flow chart according to an embodiment of the present application
  • Figure 7 illustrates a third wireless signal transmission flow chart according to an embodiment of the present application.
  • Figure 8 illustrates a schematic format diagram of a first paging message according to an embodiment of the present application
  • Figure 9 illustrates a schematic format diagram of a first message according to an embodiment of the present application.
  • Figure 10 illustrates a structural block diagram of a processing device in a first node according to an embodiment of the present application
  • Figure 11 illustrates a structural block diagram of a processing device in the second node according to an embodiment of the present application.
  • Embodiment 1 illustrates a transmission flow chart of the first node according to an embodiment of the present application, as shown in Figure 1.
  • the first node 100 receives a first paging message in step 101, and the first paging message indicates the first node; in step 102, the first node 100 determines the first paging message according to whether the first condition set is satisfied. sub-message; in step 103, as a response to receiving the first paging message, send a first message, the first message including the first sub-message; wherein the first paging message indicates the first wireless
  • the bearer set is used to perform data transmission in the RRC inactive state; the behavior is determined based on whether the first set of conditions is satisfied.
  • the first sub-message includes: when all conditions in the first set of conditions are met, the The first sub-message belongs to the first candidate message set; when any condition in the first condition set is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes no Pending uplink data belonging to radio bearers outside the first radio bearer set.
  • the first node is in an RRC inactive state before receiving the first paging message.
  • the first paging message is received from an air interface, and the air interface is a Uu interface.
  • the first paging message explicitly indicates the first node.
  • the first paging message implicitly indicates the first node.
  • the phrase the first paging message indicating the first node includes: the first paging message includes a first identifier, and the first identifier is used to identify the first node.
  • the phrase the first paging message indicates that the first node includes: the first paging message includes a second identifier, and the first node has joined the network indicated by the second identifier.
  • One or more MBS (multicast/broadcast service, multicast broadcast service) sessions and the first paging message does not include the identity of the first node allocated by the upper layer.
  • the first paging message is received in a paging occasion of the first node.
  • the first paging message is an RRC message.
  • the first paging message is a RAN paging message.
  • the first paging message is not a CN (core network, core network) paging message.
  • the first paging message is not used to change the RRC state of the first node.
  • the first identity is allocated by RAN.
  • the first identifier is not assigned by an upper layer.
  • the upper layer is a core network.
  • the upper layer is NAS (Non-access stratum).
  • the first identifier is I (Inactive, inactive)-RNTI (Radio Network Temporary Identifier, wireless network temporary identifier).
  • I Inactive, inactive
  • RTI Radio Network Temporary Identifier, wireless network temporary identifier
  • the first identifier includes a complete I-RNTI value.
  • the first identifier includes 40 bits.
  • the second identifier is TMGI (Temporary Mobile Group Identity, temporary mobile group identifier).
  • the first paging message instructs the first radio bearer set to perform data transmission in the RRC inactive state.
  • the first paging message indicating that the first radio bearer set performs data transmission in the RRC inactive state means that the first paging message indicates SDT.
  • the first paging message indicating that the first radio bearer set performs data transmission in the RRC inactive state means that the first paging message indicates MT (mobile terminated, mobile terminal terminated)-SDT.
  • the first paging message indicates that the reason for paging the first node is to restore all radio bearers in the first radio bearer set and perform data transmission in the RRC inactive state.
  • any radio bearer in the first radio bearer set is used for data transmission in the RRC inactive state.
  • any radio bearer in the first radio bearer set is in a suspended state before receiving the first paging message.
  • the first radio bearer set includes at least one radio bearer.
  • a first message is sent.
  • the first paging message is used to initiate an RRC connection recovery process.
  • the first message is used to request to restore the RRC connection.
  • the first message is a CCCH (Common Control Channel) message.
  • CCCH Common Control Channel
  • the first message is RRC signaling.
  • the first message is carried in all or part of IE (Information element) in RRC signaling.
  • IE Information element
  • the first message is carried in all or part of a field (field) in an IE in RRC signaling.
  • the first message is RRCResumeRequest (RRC recovery request).
  • the first message is RRCResumeRequest1 (RRC recovery request 1).
  • the first message includes at least some bits of the first identifier; wherein the first identifier is I-RNTI.
  • the first message includes the first identifier.
  • the first identifier includes 40 bits, and the first message includes 24 bits of the first identifier.
  • the first message includes a first sub-message.
  • the first sub-message is a field in the first message.
  • the first sub-message is resumeCause.
  • the first sub-message is determined according to whether a first set of conditions is satisfied.
  • the first set of conditions includes at least one condition.
  • the first condition set at least includes the condition that there is no pending uplink data belonging to radio bearers outside the first radio bearer set.
  • the first set of conditions includes that there is no uplink data to be processed belonging to the first radio bearer set, or there is uplink data to be processed belonging to the first radio bearer set and the condition that triggers the SDT process is satisfy this condition.
  • the conditions for triggering the SDT process include satisfying the following five conditions: the upper layer requests RRC connection recovery; SIB1 (System Information Block, System Information Block 1) includes sdt-ConfigCommon (small data transmission common configuration); sdt-Config (small data transmission configuration) is configured; all pending uplink data is mapped to the radio bearer configured with SDT; the lower layer layer) indicates that the conditions for triggering SDT are met.
  • SIB1 System Information Block, System Information Block 1
  • sdt-ConfigCommon small data transmission common configuration
  • sdt-Config small data transmission configuration
  • all pending uplink data is mapped to the radio bearer configured with SDT
  • the lower layer layer indicates that the conditions for triggering SDT are met.
  • the condition for triggering the SDT process is satisfied including satisfying the condition in Chapter 5.3.13 of the 3GPP standard TS38.331.
  • the bottom layer indicating that the conditions for triggering SDT are met includes satisfying the following two conditions: the data volume of the to-be-processed uplink data mapped to all radio bearers configured with SDT is not greater than the first threshold; the downlink path The RSRP (Reference Signal Received Power, reference signal received power) of the downlink pathloss reference is higher than the second threshold.
  • the RSRP Reference Signal Received Power, reference signal received power
  • the bottom layer indicates that the conditions for triggering SDT are met including meeting the conditions in Chapter 5.27 of the 3GPP standard TS38.31.
  • any radio bearer in the first radio bearer set is configured with SDT.
  • all the uplink data to be processed is mapped to the radio bearer configured with SDT means: all the uplink data to be processed is mapped to the radio bearer in the first radio bearer set.
  • the first threshold and the second threshold are respectively configured by the network.
  • the first threshold is sdt-DataVolumeThreshold (small data transmission data volume threshold).
  • the second threshold is sdt-RSRP-Threshold (Small Data Transmission Reference Signal Received Power Threshold).
  • the arrival of the uplink data to be processed is no earlier than the reception of the first paging message.
  • the behavior of determining the first sub-message based on whether the first condition set is satisfied includes: when all conditions in the first condition set are satisfied, the first sub-message belongs to the first candidate message. set; when any condition in the first condition set is not satisfied, the first sub-message belongs to the second candidate message set.
  • the first condition set only includes uplink data to be processed that does not belong to radio bearers outside the first radio bearer set.
  • the first condition set is satisfied; when there is no pending uplink data belonging to a radio bearer outside the first radio bearer set; When the uplink data to be processed is received from a radio bearer outside the set, the first set of conditions is not satisfied.
  • the first condition set includes two conditions: one condition is that there is no pending uplink data belonging to radio bearers outside the first radio bearer set, and the other condition is that there is no pending uplink data belonging to the first radio bearer set. There is uplink data to be processed in the radio bearer set, or there is uplink data to be processed belonging to the first radio bearer set and the conditions for triggering the SDT process are met.
  • the uplink data to be processed belongs to the first radio bearer set and the conditions for triggering the SDT process are met, all conditions of the first condition set are met; when there is radio data belonging to the first radio bearer set other than the first radio bearer set.
  • the first condition is The collection is not satisfied.
  • the first candidate message set is orthogonal to the second candidate message set.
  • any message in the first candidate message set is used to indicate that the reason for sending the first message is in response to the first paging message.
  • any message in the first candidate message set is used to indicate to the network that the reason why the first node sends the first message is to continue to maintain the RRC inactive state and perform SDT.
  • any message in the first candidate message set is used to indicate that there is no pending uplink data belonging to radio bearers outside the first radio bearer set.
  • any message in the second candidate message set is used to indicate that there is pending uplink data belonging to a radio bearer other than the first radio bearer set, or that there is pending uplink data belonging to a radio bearer other than the first radio bearer set. Either of the two conditions for carrying the set of pending uplink data and triggering the SDT process is not met.
  • any message in the second candidate message set is used to indicate that the reason for sending the first message is mobile originated (mobile originated).
  • any message in the second candidate message set is used to indicate to the network that the reason why the first node sends the first message is that the RRC connection needs to be restored and data transmission needs to be performed.
  • the first candidate message set at least includes highPriorityAccess (high priority access), mt-Access (mobile Mobile terminal terminated access), mps (Multimedia Priority Service, multimedia priority service)-PriorityAccess (priority access) and mcs (Mission Critical Service, emergency service)-PriorityAccess.
  • the first sub-message when the first sub-message belongs to the first candidate message set, the first sub-message is determined according to the access identity (Access Identity) of the first node configured by the upper layer (upper layer). .
  • Access Identity access identity
  • the first sub-message is mps-PriorityAccess.
  • the first sub-message is mcs-PriorityAccess.
  • the first sub-message is highPriorityAccess.
  • the first sub-message is mt (Mobile Terminated, mobile terminal Terminate)-Access.
  • the second candidate message set at least includes mo (Mobile Originated, mobile initiated)-Signalling (signaling), mo-Data (data), mo-VoiceCall (voice call), mo-VideoCall (video Telephone), mo-SMS (Short Message Service, short message service) and rna (RAN area,)-Update.
  • the first sub-message belongs to the second candidate message set
  • the first sub-message is provided by an upper layer.
  • the first sub-message belongs to the second candidate message set
  • the first sub-message is provided by the RRC sublayer.
  • the first sub-message is mo-Signalling.
  • the first sub-message is mo-Data.
  • the first sub-message is mo-VoiceCall.
  • the first sub-message is mo-VideoCall.
  • the first sub-message is mo-SMS.
  • the first sub-message is rna-Update (update).
  • Embodiment 2 illustrates a schematic diagram of a network architecture according to an embodiment of the present application, as shown in Figure 2.
  • Figure 2 illustrates a diagram of the network architecture 200 of NR 5G, LTE (Long-Term Evolution, Long-Term Evolution) and LTE-A (Long-Term Evolution Advanced, Enhanced Long-Term Evolution) systems.
  • the NR 5G, LTE or LTE-A network architecture 200 may be called 5GS (5G System)/EPS (Evolved Packet System) 200 or some other suitable term.
  • 5GS 5G System
  • EPS Evolved Packet System
  • 5GS/EPS 200 may include one or more UE (User Equipment) 201, NG-RAN (Next Generation Radio Access Network) 202, 5GC (5G Core Network, 5G Core Network)/EPC (Evolved Packet Core, Evolved Packet Core) 210, HSS (Home Subscriber Server, Home Subscriber Server)/UDM (Unified Data Management, Unified Data Management) 220 and Internet Services 230.
  • 5GS/EPS can be interconnected with other access networks, but for simplicity it is not Expose these entities/interfaces. As shown, 5GS/EPS provides packet-switched services, however those skilled in the art will readily appreciate that the various concepts presented throughout this application may be extended to networks that provide circuit-switched services or other cellular networks.
  • NG-RAN includes NR Node B (gNB) 203 and other gNBs 204.
  • gNB 203 provides user and control plane protocol termination towards UE 201.
  • gNB 203 may connect to other gNBs 204 via the Xn interface (eg, backhaul).
  • gNB203 can also be called a base station, base transceiver station, radio base station, radio transceiver, transceiver function, Basic Service Set (BSS), Extended Service Set (ESS), TRP (Transmission Reception Point, Transmitting and receiving node) or some other suitable terminology, in an NTN (Non Terrestrial Network, non-terrestrial/satellite network) network, gNB203 can be a satellite, an aircraft or a ground base station relayed through a satellite. gNB203 provides UE201 with an access point to 5GC/EPC210.
  • Examples of UE201 include cellular phones, smart phones, Session Initiation Protocol (SIP) phones, laptops, Personal Digital Assistants (PDAs), satellite radios, global positioning systems, multimedia devices, Video devices, digital audio players (e.g., MP3 players), cameras, game consoles, drones, aircraft, narrowband IoT devices, Machine type communication devices, land vehicles, automobiles, in-vehicle equipment, in-vehicle communication units, wearable devices, or any other similarly functional device.
  • SIP Session Initiation Protocol
  • PDAs Personal Digital Assistants
  • satellite radios global positioning systems
  • multimedia devices Video devices
  • digital audio players e.g., MP3 players
  • cameras e.g., digital audio players (e.g., MP3 players), cameras
  • game consoles e.g., drones, aircraft, narrowband IoT devices, Machine type communication devices, land vehicles, automobiles, in-vehicle equipment, in-vehicle communication units, wearable devices, or any other similarly
  • UE 201 may also refer to UE 201 as a mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
  • gNB203 is connected to 5GC/EPC210 through the S1/NG interface.
  • 5GC/EPC210 includes MME (MobilityManagementEntity, mobility management entity)/AMF (Authentication Management Field, authentication management domain)/SMF (Session Management Function, session management function) 211, Other MME/AMF/SMF214, S-GW (Service Gateway, Service Gateway)/UPF (UserPlane Function, User Plane Function) 212 and P-GW (Packet Date Network Gateway, Packet Data Network Gateway)/UPF213.
  • MME/AMF/SMF211 is the control node that handles signaling between UE201 and 5GC/EPC210. Basically, MME/AMF/SMF211 provides bearer and connection management.
  • Internet Protocol Internet Protocol
  • S-GW/UPF212 All user IP (Internet Protocol, Internet Protocol) packets are transmitted through S-GW/UPF212, and S-GW/UPF212 itself is connected to P-GW/UPF213.
  • P-GW provides UE IP address allocation and other functions.
  • P-GW/UPF 213 is connected to Internet service 230.
  • Internet service 230 includes the operator's corresponding Internet protocol service, which may specifically include Internet, intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) and PS (Packet Switching, packet switching) streaming services.
  • IMS IP Multimedia Subsystem
  • PS Packet Switching, packet switching
  • the UE201 corresponds to the first node in this application.
  • the NR node B 203 corresponds to the second node in this application.
  • the gNB 203 is a macro cell (Marco Cell) base station.
  • the gNB 203 is a Micro Cell base station.
  • the gNB 203 is a Pico Cell base station.
  • the gNB 203 is a home base station (Femtocell).
  • the gNB 203 is a base station device that supports a large delay difference.
  • the gNB 203 is a flying platform device.
  • the gNB 203 is a satellite device.
  • the gNB 203 is a test equipment (for example, a transceiver device that simulates part of the functions of a base station, a signaling tester).
  • a test equipment for example, a transceiver device that simulates part of the functions of a base station, a signaling tester.
  • the wireless link from the UE 201 to the gNB 203 is an uplink, and the uplink is used to perform uplink transmission.
  • the wireless link from the gNB 203 to the UE 201 is a downlink, and the downlink is used to perform downlink transmission.
  • the UE201 and the gNB203 are connected through a Uu interface.
  • Embodiment 3 illustrates a schematic diagram of the wireless protocol architecture of the user plane and control plane according to an embodiment of the present application, as shown in FIG. 3 .
  • Figure 3 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane 350 and a control plane 300.
  • Figure 3 shows the radio protocol architecture of the control plane 300 of a UE and a gNB using three layers: Layer 1, Layer 2 and Layer 3. .
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions. The L1 layer will be called PHY301 in this article.
  • Layer 2 (L2 layer) 305 is above the PHY 301 and is responsible for the link between the UE and the gNB through the PHY 301.
  • L2 layer 305 includes MAC (Medium Access Control, media access control) sublayer 302, RLC (Radio Link Control, wireless link layer control protocol) sublayer 303 and PDCP (Packet Data Convergence Protocol, packet data convergence protocol) sublayer 304, these sub-layers terminate at the gNB on the network side.
  • the PDCP sublayer 304 provides data encryption and integrity protection.
  • the PDCP sublayer 304 also provides handover support for UEs between gNBs.
  • the RLC sublayer 303 provides segmentation and reassembly of data packets, and realizes retransmission of lost data packets through ARQ.
  • the RLC sublayer 303 also provides duplicate data packet detection and protocol error detection.
  • the MAC sublayer 302 provides mapping between logical and transport channels and multiplexing of logical channel identities.
  • the MAC sublayer 302 is also responsible for allocating various radio resources (eg, resource blocks) in a cell among UEs.
  • the MAC sublayer 302 is also responsible for HARQ (Hybrid Automatic Repeat Request, Hybrid Automatic Repeat Request) operations.
  • the RRC (Radio Resource Control, radio resource control) sublayer 306 in layer 3 (L3 layer) in the control plane 300 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower part using RRC signaling between gNB and UE. layer.
  • radio resources ie, radio bearers
  • the V2X layer is responsible for generating PC5 QoS parameter groups and QoS rules based on received service data or service requests, corresponding to the PC5 QoS parameter group. Generate a PC5 QoS flow and send the PC5 QoS flow identifier and the corresponding PC5 QoS parameter group to the AS (Access Stratum, access layer) layer for QoS processing of the data packets belonging to the PC5 QoS flow identifier by the AS layer;
  • the V2X layer also includes the PC5-S Signaling Protocol (PC5-Signaling Protocol) sublayer.
  • the V2X layer is responsible for instructing the AS layer whether each transmission is PC5-S transmission or V2X service data transmission.
  • the wireless protocol architecture of the user plane 350 includes layer 1 (L1 layer) and layer 2 (L2 layer).
  • the wireless protocol architecture in the user plane 350 is for the physical layer 351, the PDCP sublayer 354 in the L2 layer 355, and the PDCP sublayer 354 in the L2 layer 355.
  • the RLC sublayer 353 and the MAC sublayer 352 in the L2 layer 355 are substantially the same as the corresponding layers and sublayers in the control plane 300, but the PDCP sublayer 354 also provides header compression for upper layer packets to reduce wireless Send overhead.
  • the L2 layer 355 in the user plane 350 also includes the SDAP (Service Data Adaptation Protocol, Service Data Adaptation Protocol) sublayer 356.
  • SDAP Service Data Adaptation Protocol
  • the SDAP sublayer 356 is responsible for the QoS (Quality of Service, quality of service) flow and data radio bearer (DRB, Data Radio Bearer) to support business diversity.
  • the wireless protocol architecture of the UE in the user plane 350 may include part or all of the protocol sublayers of the SDAP sublayer 356, the PDCP sublayer 354, the RLC sublayer 353 and the MAC sublayer 352 at the L2 layer.
  • the UE may also have several upper layers above the L2 layer 355, including a network layer that terminates at the P-GW on the network side (eg, an IP layer) and one that terminates at the other end of the connection (eg, , the application layer at the remote UE, server, etc.).
  • entities of multiple sub-layers of the control plane in Figure 3 form an SRB in the vertical direction.
  • entities of multiple sub-layers of the user plane in Figure 3 form a DRB in the vertical direction.
  • entities of multiple sub-layers of the user plane in Figure 3 form an MRB in the vertical direction.
  • the wireless protocol architecture in Figure 3 is applicable to the first node in this application.
  • the wireless protocol architecture in Figure 3 is applicable to the second node in this application.
  • the first paging message in this application is generated in the RRC306.
  • the first message in this application is generated in the RRC306.
  • the first sub-message in this application is generated in the RRC306.
  • the second message in this application is generated by the RRC306.
  • the third message in this application is generated in the RRC306.
  • the L2 layer 305 or 355 belongs to a higher layer.
  • the RRC sublayer 306 in the L3 layer belongs to a higher layer.
  • Embodiment 4 illustrates a schematic diagram of a hardware module of a communication device according to an embodiment of the present application, as shown in FIG. 4 .
  • Figure 4 is a block diagram of a first communication device 450 and a second communication device 410 communicating with each other in the access network.
  • the first communication device 450 includes a controller/processor 459, a memory 460, a data source 467, a transmit processor 468, a receive processor 456, a multi-antenna transmit processor 457, a multi-antenna receive processor 458, a transmitter/receiver 454 and antenna 452.
  • the second communication device 410 includes a controller/processor 475, a memory 476, a data source 477, a receiving processor 470, a transmitting processor 416, a multi-antenna receiving processor 472, a multi-antenna transmitting processor 471, and a transmitter/receiver 418 and antenna 420.
  • Controller/Processor 475 In transmission from the second communication device 410 to the first communication device 450, at the second communication device 410, upper layer data packets from the core network or upper layer data packets from the data source 477 are provided to Controller/Processor 475. Core network and data sources 477 represent all protocol layers above the L2 layer. Controller/processor 475 implements the functionality of the L2 layer. In transmission from the second communications device 410 to the first communications device 450, the controller/processor 475 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels Multiplexing, and radio resource allocation to the first communication device 450 based on various priority metrics. The controller/processor 475 is also responsible for retransmission of lost packets, and signaling to the first communications device 450 .
  • Transmit processor 416 and multi-antenna transmit processor 471 implement various signal processing functions for the L1 layer (ie, physical layer). Transmit processor 416 implements encoding and interleaving to facilitate forward error correction (FEC) at the second communications device 410, as well as based on various modulation schemes (e.g., binary phase shift keying (BPSK), quadrature phase shift Mapping of signal clusters for M-phase shift keying (QPSK), M-phase shift keying (M-PSK), M-quadrature amplitude modulation (M-QAM)).
  • FEC forward error correction
  • BPSK binary phase shift keying
  • QPSK quadrature phase shift Mapping of signal clusters for M-phase shift keying
  • M-PSK M-phase shift keying
  • M-QAM M-quadrature amplitude modulation
  • the multi-antenna transmit processor 471 performs digital spatial precoding on the coded and modulated symbols, including codebook-based precoding and non-codebook-based precoding, and beamforming processing to generate one or more spatial streams. Transmit processor 416 then maps each spatial stream to a subcarrier, multiplexes it with a reference signal (eg, a pilot) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel carrying a stream of time-domain multi-carrier symbols. Then the multi-antenna transmit processor 471 performs transmit analog precoding/beamforming operations on the time domain multi-carrier symbol stream. Each transmitter 418 converts the baseband multi-carrier symbol stream provided by the multi-antenna transmit processor 471 into a radio frequency stream, which is then provided to a different antenna 420.
  • IFFT inverse fast Fourier transform
  • each Receiver 454 receives the signal via its corresponding antenna 452. Each receiver 454 recovers the information modulated onto the radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream that is provided to a receive processor 456 .
  • the receive processor 456 and the multi-antenna receive processor 458 implement various signal processing functions of the L1 layer. Multi-antenna receive processor 458 performs receive analog precoding/beamforming operations on the baseband multi-carrier symbol stream from receiver 454.
  • the receive processor 456 converts the baseband multi-carrier symbol stream after the received analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT).
  • FFT Fast Fourier Transform
  • the physical layer data signal and the reference signal are demultiplexed by the receiving processor 456, where the reference signal will be used for channel estimation, and the data signal is recovered after multi-antenna detection in the multi-antenna receiving processor 458.
  • the first communication device 450 is any spatial stream that is the destination. The symbols on each spatial stream are demodulated and recovered in the receive processor 456, and soft decisions are generated.
  • the receive processor 456 then decodes and deinterleaves the soft decisions to recover upper layer data and control signals transmitted by the second communications device 410 on the physical channel.
  • Controller/processor 459 implements the functions of the L2 layer. Controller/processor 459 may be associated with memory 460 which stores program code and data. Memory 460 may be referred to as computer-readable media.
  • the controller/processor 459 In transmission from the second communication device 410 to the first communication device 450, the controller/processor 459 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer data packets from the second communication device 410. The upper layer packets are then provided to all protocol layers above the L2 layer. Various control signals may also be provided to L3 for L3 processing.
  • upper layer data packets are provided at the first communications device 450 to a controller/processor 459 using a data source 467.
  • Data source 467 represents all protocol layers above the L2 layer.
  • the controller/processor 459 implements header compression, encryption, packet Segmentation and reordering and multiplexing between logical and transport channels implement L2 layer functions for the user plane and control plane.
  • the controller/processor 459 is also responsible for retransmission of lost packets, and signaling to the second communications device 410 .
  • the transmit processor 468 performs modulation mapping and channel coding processing, and the multi-antenna transmit processor 457 performs digital multi-antenna spatial precoding, including codebook-based precoding and non-codebook-based precoding, and beam forming processing, and then transmits
  • the processor 468 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream, which undergoes analog precoding/beamforming operations in the multi-antenna transmit processor 457 and then is provided to different antennas 452 via the transmitter 454.
  • Each transmitter 454 first converts the baseband symbol stream provided by the multi-antenna transmission processor 457 into a radio frequency symbol stream, and then provides it to the antenna 452.
  • each receiver 418 receives radio frequency signals through its corresponding antenna 420, converts the received radio frequency signals into baseband signals, and provides the baseband signals to multi-antenna receive processor 472 and receive processor 470.
  • the receiving processor 470 and the multi-antenna receiving processor 472 jointly implement the functions of the L1 layer.
  • Controller/processor 475 implements L2 layer functions. Controller/processor 475 may be associated with memory 476 that stores program code and data. Memory 476 may be referred to as computer-readable media.
  • the controller/processor 475 In transmission from the first communications device 450 to the second communications device 410, the controller/processor 475 provides demultiplexing between transport and logical channels, packet reassembly, decryption, header decompression , control signal processing to recover upper layer data packets from the first communication device 450.
  • Upper layer packets from the controller/processor 475 may be provided to the core network or all protocol layers above the L2 layer, and various control signals may also be provided to the core network or L3 for L3 processing.
  • the first communication device 450 device includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the Using the at least one processor together, the first communication device 450 at least: receives a first paging message, the first paging message indicates the first node; and determines the first set of conditions according to whether the first set of conditions is satisfied.
  • the inactive state performs data transmission; the behavior determines the first sub-message according to whether the first condition set is satisfied: when all conditions in the first condition set are satisfied, the first sub-message belongs to the first Candidate message set; when any condition in the first condition set is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes the first sub-message that does not belong to the first radio bearer Pending uplink data for radio bearers outside the set.
  • the first communication device 450 device includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: receiving a first paging message, the first paging message indicating the first node; determining a first sub-message according to whether a first set of conditions is satisfied; and in response to receiving the first paging message, sending the first message , the first message includes the first sub-message; wherein the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; the behavior is determined based on whether the first condition set is satisfied
  • the first sub-message includes: when When all conditions in the first condition set are met, the first sub-message belongs to the first candidate message set; when any condition in the first condition set is not met, the first sub-message Belonging to the second candidate message set; the first condition set at least includes pending uplink data that does not belong to radio bearers outside the first radio bearer set.
  • the second communication device 410 includes: at least one processor and at least one memory, the at least one memory includes computer program code; the at least one memory and the computer program code are configured to interact with the used with at least one of the above processors.
  • the second communication device 410 at least: sends a first paging message indicating the first node; in response to sending the first paging message, receives a first message, the The first message includes a first sub-message; wherein whether the first condition set is satisfied is used to determine the first sub-message; the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state ; Whether the first condition set is satisfied is used to determine the first sub-message including: when all conditions in the first condition set are satisfied, the first sub-message belongs to the first candidate message set ; When any condition in the first set of conditions is not satisfied, the first sub-message belongs to the second candidate message set; the first set of conditions at least includes those not belonging to the first radio
  • the second communication device 410 device includes: a memory that stores a program of computer-readable instructions that, when executed by at least one processor, generates actions, and the actions include: sending a first paging message, the first paging message indicating the first node; in response to sending the first paging message, receiving a first message, the first message including a first sub-message; wherein, Whether the first set of conditions is met is used to determine the first sub-message; the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; whether the first set of conditions is met is used to determine Determining the first sub-message includes: when all conditions in the first condition set are met, the first sub-message belongs to the first candidate message set; when any condition in the first condition set When a condition is not met, the first sub-message belongs to the second candidate message set; the first condition set at least includes pending uplink data that does not belong to radio bearers other than the first radio bearer
  • the first communication device 450 corresponds to the first node in this application.
  • the second communication device 410 corresponds to the second node in this application.
  • the first communication device 450 is a UE.
  • the second communication device 410 is a base station device.
  • At least one of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416 or the controller/processor 475 is used to transmit this The first paging message in the application.
  • At least one of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456 or the controller/processor 459 is used to receive this The first paging message in the application.
  • At least one of the antenna 452, the transmitter 454, the multi-antenna transmit processor 457, the transmit processor 468 or the controller/processor 459 is used to transmit this First news in application.
  • At least one of the antenna 420, the receiver 418, the multi-antenna receiving processor 472, the receiving processor 470 or the controller/processor 475 is used to receive this First news in application.
  • At least one of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416 or the controller/processor 475 is used to transmit this Second message in application.
  • At least one of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456 or the controller/processor 459 is used to receive this Second message in application.
  • At least one of the antenna 420, the transmitter 418, the multi-antenna transmit processor 471, the transmit processor 416 or the controller/processor 475 is used to transmit this Third message in application.
  • At least one of the antenna 452, the receiver 454, the multi-antenna receiving processor 458, the receiving processor 456 or the controller/processor 459 is used to receive this Third message in application.
  • Embodiment 5 illustrates a wireless signal transmission flow chart according to an embodiment of the present application, as shown in FIG. 5 .
  • the first node N51 and the second node N52 communicate through a wireless interface. It is particularly noted that the order in this example does not limit the signal transmission order and implementation order in this application.
  • step S511 For the first node N51 , receive the third message in step S511; enter or maintain the RRC inactive state in step S512; In step S513, the first paging message is received; in step S514, the first sub-message is determined; in step S515, the first message is sent; and in step S516, all radio bearers in the first radio bearer set are restored.
  • the third message is sent in step S521; the first paging message is sent in step S522; and the first message is received in step S523.
  • the first paging message is received, and the first paging message indicates the first node; the first sub-message is determined according to whether the first set of conditions is satisfied; as the first paging message is received In response, send a first message, where the first message includes the first sub-message; wherein the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; the behavior is based on the first Determining whether a set of conditions is satisfied for the first sub-message includes: when all conditions in the first set of conditions are met, the first sub-message belongs to the first set of candidate messages; when all conditions in the set of first conditions are met; When any condition of is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes pending messages that do not belong to radio bearers other than the first radio bearer set.
  • the first message belongs to the SDT process or the first random access process; wherein all conditions in the first set of conditions are met; the air interface occupied by the PRACH included in the first random access process Resources are reserved for non-SDT-triggered random access procedures; with sending the first message, all radio bearers in the first radio bearer set are restored; radio bearers outside the first radio bearer set are not Configure to perform data transmission in the RRC inactive state, or the radio bearers outside the first radio bearer set have not yet been established; receive a third message before receiving the first paging message, the third message is used to indicate entering or maintaining the RRC inactive state; wherein the third message indicates the first radio bearer set.
  • the second node is the base station of the serving cell of the first node.
  • the second node is the base station of the primary cell of the first node.
  • the second node is a base station of a secondary cell of the first node.
  • the second node is a base station of a cell where the first node resides.
  • a third message is received before receiving the first paging message, and the third message is used to indicate entering or maintaining the RRC inactive state.
  • the first receiver in response to receiving the third message, enters or maintains the RRC inactive state.
  • the third message includes the first identifier.
  • the first identifier is used to identify the first node in the RRC inactive state.
  • the first node when the first node is in the RRC connected state when receiving the third message, it enters the RRC inactive state in response to receiving the third message.
  • the RRC inactive state when the first node is in the RRC inactive state when receiving the third message, in response to receiving the third message, the RRC inactive state is maintained.
  • the third message is high-layer signaling.
  • the third message is RRC signaling.
  • the third message is carried in all or part of the IE (Information element) in the RRC signaling.
  • the third message is carried in all or part of a field in an IE in RRC signaling.
  • the third message is RRCRelease (RRC release).
  • the third message includes suspend configuration (suspendConfig).
  • the third message includes SDT configuration (sdt-Config).
  • the third message includes a mobile-terminated small data transmission configuration (mt-sdt-Config).
  • the third message includes downlink small data transmission configuration (dl-sdt-Config).
  • the third message indicates the first radio bearer set.
  • the third message includes radio bearer identities of all radio bearers in the first radio bearer set.
  • the third message configures data transmission of all radio bearers in the first radio bearer set in the RRC inactive state.
  • the behavior of entering or maintaining the RRC inactive state includes: suspending the second radio bearer set combine.
  • the second radio bearer set includes all radio bearers established by the first node.
  • the first radio bearer set is a subset of the second radio bearer set.
  • the radio bearer when a radio bearer is suspended, the radio bearer is not used for data transmission.
  • the radio bearer identity of the radio bearer is not released.
  • the behavior of entering or maintaining the RRC inactive state includes: indicating PDCP (Packet Data Convergence Protocol, Packet Data Convergence Protocol) to the lower layer of all radio bearers in the second radio bearer set. ) hangs.
  • PDCP Packet Data Convergence Protocol, Packet Data Convergence Protocol
  • the behavior of entering or maintaining the RRC inactive state includes: re-establishing the RLC (Radio Link Control) entity of SRB1 (Signaling Radio Bearer, Signaling Radio Bearer 1) .
  • the behavior of entering or maintaining the RRC inactive state includes: re-establishing RLC entities of all radio bearers in the second radio bearer set.
  • the behavior of entering or maintaining the RRC inactive state includes: resetting MAC and if there is a default MAC Cell Group configuration (MAC Cell Group configuration), releasing the default MAC Cell Group configuration. .
  • the behavior of entering or maintaining the RRC inactive state includes: instructing an upper layer (upper layer) to suspend the RRC connection.
  • the behavior of entering or maintaining the RRC inactive state includes: performing cell selection (cell selection).
  • the first radio bearer set includes signaling radio bearer (SRB).
  • SRB signaling radio bearer
  • the first radio bearer set does not include signaling radio bearer 1 (SRB1).
  • SRB1 signaling radio bearer 1
  • the first radio bearer set includes signaling radio bearer 2 (SRB2).
  • SRB2 signaling radio bearer 2
  • the first radio bearer set includes signaling radio bearer 3 (SRB3).
  • SRB3 signaling radio bearer 3
  • the first radio bearer set includes data radio bearer (DRB).
  • DRB data radio bearer
  • the first radio bearer set includes MBS radio bearers.
  • any radio bearer in the first radio bearer set is configured for SDT transmission.
  • any radio bearer in the first radio bearer set is configured for downlink triggered SDT transmission.
  • any radio bearer in the first radio bearer set is used for data transmission in at least RRC inactive state.
  • any radio bearer in the first radio bearer set is configured for data transmission in the RRC connected state.
  • the first message belongs to one of the SDT process or the first random access process.
  • the first transmitter in response to receiving the first paging message, performs an SDT process, and the behavior of performing the SDT process includes sending the first message; wherein the first set of conditions All conditions in are met.
  • the SDT process includes a RA-SDT process or a CG-SDT process.
  • executing the SDT process includes executing a random access process
  • executing the random access process includes sending a PRACH
  • the air interface resources occupied by the PRACH are Reserved for the random access process triggered by SDT.
  • the first message is carried in Msg3 (Message 3) of the random access process included in the SDT process; wherein the random access process is 4 steps (4- step) random access process.
  • the first message is carried in MsgA (Message A) of the random access process included in the SDT process; wherein the random access process is 2 steps (4- step) random access process.
  • executing the SDT process includes executing configuration grant type 1.
  • the air interface resource occupied by the first message is a configured uplink grant.
  • the first message is the first transmission (initial transmission) of the SDT process.
  • the air interface resources occupied by the PRACH included in the first random access process are reserved for non-SDT triggered random access processes.
  • the first transmitter in response to receiving the first paging message, performs a first random access process, and the behavior of performing the first random access process includes sending the first message; Wherein, all conditions in the first condition set are satisfied.
  • the behavior of performing the first random access process includes sending a PRACH, and the air interface resources occupied by the PRACH are reserved for non-SDT triggered random access processes.
  • the first message is carried in Msg3 (Message 3) of the first random access process; wherein the first random access process is 4-step random access. process.
  • the first message is carried in MsgA (Message A) of the first random access process; wherein the first random access process is 2-step random access. process.
  • the SDT process is used to determine the SDT process to perform downlink triggering.
  • the air interface resources occupied by the PRACH included in the first random access process and the first sub-message are jointly used to determine the execution of the downlink triggered SDT process.
  • the first sub-message belongs to the first candidate message set.
  • the air interface resources include at least one of time domain resources, frequency domain resources, code domain resources or air domain resources.
  • the uplink data to be processed arrives after receiving the first paging message and before initiating the SDT process.
  • the uplink data to be processed arrives after receiving the first paging message and before initiating the first random access procedure.
  • the non-SDT triggered random access process includes a random access process triggered from an RRC connection recovery process in an RRC inactive state.
  • the non-SDT triggered random access process includes a random access process triggered from initial access (initial access) in RRC idle (RRC_IDLE) state.
  • the non-SDT triggered random access process includes a random access process triggered by requesting other system information (System Information, SI).
  • SI System Information
  • the first message is sent and all radio bearers in the first set of radio bearers are restored.
  • the behavior is accompanied by sending the first message
  • restoring all radio bearers in the first radio bearer set includes: the behavior restoring all radio bearers in the first radio bearer set and the Related to the sending of the first message.
  • the behavior is accompanied by sending the first message
  • restoring all radio bearers in the first radio bearer set includes: restoring all radio bearers in the first radio bearer set and sending the first Messages are indivisible (atomic).
  • the behavior is accompanied by sending the first message, and restoring all radio bearers in the first radio bearer set includes: sending the first message and restoring all radio bearers in the first radio bearer set. Carrying goes hand in hand.
  • the behavior is accompanied by sending the first message, and restoring all radio bearers in the first radio bearer set includes: sending the first message is used to restore all radio bearers in the first radio bearer set. All wireless bearers.
  • the behavior is accompanied by sending the first message
  • restoring all radio bearers in the first radio bearer set includes: upon sending the first message (Upon transmission of the first message), restoring the All radio bearers in the first radio bearer set.
  • the behavior is accompanied by sending the first message
  • restoring all radio bearers in the first radio bearer set includes: following the transmission of the first message (Following the transmission of the first message), restoring All radio bearers in the first radio bearer set.
  • the behavior is accompanied by sending the first message, and restoring all radio bearers in the first radio bearer set includes: following the restoration of all radio bearers in the first radio bearer set, sending the First news.
  • the behavior of restoring all radio bearers in the first radio bearer set includes: for each radio bearer included in the first radio bearer set, from UE Inactive AS (user equipment inactive access Restore the configuration associated with the RLC bearer of the master cell group (masterCellGroup) and pdcp-Config (packet data convergence protocol configuration) in the context of the layer).
  • UE Inactive AS user equipment inactive access Restore the configuration associated with the RLC bearer of the master cell group (masterCellGroup) and pdcp-Config (packet data convergence protocol configuration) in the context of the layer).
  • the behavior of restoring all radio bearers in the first radio bearer set includes: targeting the first radio bearer For each radio bearer included in the bearer set, the PDCP entity is re-established.
  • the behavior of restoring all radio bearers in the first radio bearer set includes: for each radio bearer included in the first radio bearer set, when PDCP status reporting (status reporting) is not triggered, In this case, the PDCP entity is reestablished for the radio bearer.
  • radio bearers outside the first radio bearer set are only configured to perform data transmission in the RRC connected state.
  • radio bearers outside the first radio bearer set are not configured for the SDT process.
  • radio bearers outside the first radio bearer set are not configured for the downlink SDT process.
  • radio bearers outside the first radio bearer set have not yet been established.
  • the radio bearer used to transmit the uplink data to be processed has not yet been established.
  • the first node Continue to maintain the RRC inactive state.
  • the first node not instructed to restore RRC connection.
  • the first receiver receives a first MAC SDU (Service Data Unit), and the first MAC SDU belongs to the first radio bearer set. of a wireless bearer.
  • MAC SDU Service Data Unit
  • the first receiver receives a fourth message, and the fourth message belongs to the RA-SDT process or the first random access process.
  • the fourth message is used to indicate that the first random access process is successfully completed, or the fourth message is used to indicate that the initial access of the RA-SDT process is successful.
  • the fourth message is Msg4 (Message 4) in the 4-step random access process.
  • the fourth message is MsgB (Message B) in the 2-step random access process.
  • the fourth message is UE Contention Resolution Identity (contention resolution identification) MAC CE.
  • the fourth message is successRAR (successful random access response).
  • the first receiver receives a fifth message, and the fifth message belongs to the CG-SDT process.
  • the fifth message is used to indicate that the initial access of the CG-SDT process is successful.
  • the fifth message is the first downlink assignment (downlink assignment) after the first message is sent.
  • the fifth message is DCI (Downlink Control Information).
  • Embodiment 6 illustrates another wireless signal transmission flow chart according to an embodiment of the present application, as shown in FIG. 6 .
  • the first node N61 and the second node N62 communicate through a wireless interface. It is particularly noted that the order in this example does not limit the signal transmission order and implementation order in this application.
  • the first node N61 For the first node N61 , receive the third message in step S611; enter or maintain the RRC inactive state in step S612; receive the first paging message in step S613; restore the first radio bearer set in step S614. All radio bearers; determine the first sub-message in step S615; send the first message in step S616.
  • the third message is sent in step S621; the first paging message is sent in step S622; and the first message is received in step S623.
  • the first paging message is received, and the first paging message indicates the first node; the first sub-message is determined according to whether the first set of conditions is satisfied; as the first paging message is received In response, send a first message, where the first message includes the first sub-message; wherein the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; the behavior is based on the first
  • the first sub-message for determining whether a condition set is satisfied includes: when all conditions in the first condition set are satisfied, the first The sub-message belongs to the first candidate message set; when any condition in the first condition set is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes Pending uplink data of radio bearers outside the first radio bearer set; the first message belongs to the SDT process or the first random access process; wherein all conditions in the first condition set are Satisfy: The air interface resources occupied by the PRACH included in
  • the first paging message is used to trigger the restoration of all radio bearers in the first radio bearer set.
  • the recovery time of all radio bearers in the first radio bearer set described in Embodiment 6 is no later than the recovery time of all radio bearers in the first radio bearer set described in Embodiment 5.
  • Embodiment 7 illustrates a third wireless signal transmission flow chart according to an embodiment of the present application, as shown in FIG. 7 .
  • the first node N71 and the second node N72 communicate through a wireless interface. It is particularly noted that the order in this example does not limit the signal transmission order and implementation order in this application.
  • step S711 For the first node N71 , receive the third message in step S711; enter or maintain the RRC inactive state in step S712; receive the first paging message in step S713; determine the first sub-message in step S714; In step S715, the first message is sent; in step S716, the second message is received; in step S717, all radio bearers in the first radio bearer set are restored.
  • the third message is sent in step S721; the first paging message is sent in step S722; the first message is received in step S723; and the second message is sent in step S724.
  • the first paging message is received, and the first paging message indicates the first node; the first sub-message is determined according to whether the first set of conditions is satisfied; as the method for receiving the first paging message
  • send a first message where the first message includes the first sub-message; wherein the first paging message indicates that the first radio bearer set performs data transmission in the RRC inactive state; the behavior is based on the first Determining whether the condition set is satisfied for the first sub-message includes: when all conditions in the first condition set are satisfied, the first sub-message belongs to the first candidate message set; when all conditions in the first condition set are satisfied When any condition is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes pending uplinks that do not belong to radio bearers other than the first radio bearer set.
  • the third A message belongs to the second random access process, and the air interface resources occupied by the PRACH included in the second random access process are reserved for non-SDT-triggered random access processes; any condition in the first set of conditions is not satisfied; the radio bearers outside the first radio bearer set are not configured to perform data transmission in the RRC inactive state, or the radio bearers outside the first radio bearer set have not been established; when receiving A third message is received before the first paging message, and the third message is used to indicate entering or maintaining the RRC inactive state; wherein the third message indicates the first radio bearer set.
  • receiving a second message the second message being a response to the first message, the second message being used to restore at least all radio bearers in the first radio bearer set; wherein, Any condition in the first set of conditions is not satisfied.
  • the first message belongs to the second random access process, and the air interface resources occupied by the PRACH included in the second random access process are reserved for non-SDT-triggered random access processes.
  • the first message is carried in Msg3 (Message 3) of the second random access process; wherein the second random access process is 4-step random access. process.
  • the first message is carried in MsgA (Message A) of the second random access process; wherein the second random access process is 2-step random access. process.
  • the first transmitter in response to receiving the first paging message, performs a second random access procedure, and the act of performing the second random access procedure includes sending the first message.
  • the behavior of performing the second random access process includes sending a PRACH, and the air interface resources occupied by the PRACH are reserved for non-SDT-triggered random access processes.
  • the second message is received after the second random access procedure is successfully completed.
  • the second message is RRC signaling.
  • the second message is carried in all or part of IE (Information element) in RRC signaling.
  • IE Information element
  • the second message is carried in all or part of a field in an IE in RRC signaling.
  • the second message is RRCResume (RRC recovery)
  • the second message is used to indicate resumption of the RRC connection.
  • the first receiver enters the RRC connection state in response to receiving the second message.
  • the second message is used to restore at least all radio bearers in the first radio bearer set.
  • the second message is used to restore all radio bearers in the first radio bearer set.
  • the second message is used to resume all suspended radio bearers outside the first radio bearer set.
  • the second message is used to resume all suspended radio bearers.
  • the second message is used to discard the inactive AS (Access Stratum, access layer) context of the first node.
  • the second message is used to release the suspendConfig (suspend configuration) of the first node.
  • the air interface resources occupied by the PRACH included in the second random access process and the first sub-message are jointly used to determine the transition from the RRC inactive state to the RRC connected state.
  • the first sub-message belongs to the second candidate message set.
  • the uplink data to be processed arrives after receiving the first paging message and before initiating the second random access procedure.
  • Embodiment 8 illustrates a schematic format diagram of the first paging message according to an embodiment of the present application, as shown in FIG. 8 .
  • the first paging message includes a paging record (PagingRecord), and the paging record includes the first identifier and the paging reason for paging the first node.
  • PagingRecord a paging record
  • the first paging message includes a paging group (PagingGroup), and the paging group includes the second identification and the paging reason.
  • PagingGroup a paging group
  • the paging group includes the second identification and the paging reason.
  • the paging cause is MT-SDT.
  • the paging cause is SDT.
  • the first paging message includes a PagingRecord (paging record), the PagingRecord includes a ue-Identity (user equipment identification) field and a PagingCause (paging cause) field, and the ue- The Identity field is used to indicate the first node, and the PagingCause is used to indicate that the paging reason for sending the first paging message is downlink triggered SDT; wherein, the PagingUE-Identity (Paging User Equipment Identity) ) is the first identifier.
  • PagingRecord paging record
  • the PagingRecord includes a ue-Identity (user equipment identification) field and a PagingCause (paging cause) field
  • the ue- The Identity field is used to indicate the first node
  • the PagingCause is used to indicate that the paging reason for sending the first paging message is downlink triggered SDT; wherein, the PagingUE-Identity (Paging User Equipment Identity) ) is the first identifier.
  • the first paging message includes a PagingGroup (paging group), the PagingGroup includes a TMGI-Identity (TMGI identification) field and a PagingCause field, and the TMGI-Identity field is used to indicate
  • the first node has joined one or more MBS sessions indicated by the TMGI, and the PagingCause is used to indicate that the paging reason for sending the first paging message is a downlink-triggered SDT.
  • Embodiment 9 illustrates a schematic format diagram of the first message according to an embodiment of the present application, as shown in FIG. 9 .
  • the first message is used to request to restore the RRC connection.
  • the first message is an RRCResumeRequest (RRC recovery request) information element
  • the first message includes resumeIdentity (resume identification) field, resumeMAC-I (resume MAC-I) field, resumeCause (resume reason) field and spare (idle) field
  • the resumeIdentity field is used to indicate the first node
  • the resumeMAC -The I domain includes an authentication token, which is used to authenticate the UE, that is, the first node, at the second node
  • the resumeCause field includes the first sub-message , the first sub-message is used to indicate the reason for the RRC recovery request
  • the spare field is used to satisfy that the RRCResumeRequest information element includes 2 positive integer bits.
  • Embodiment 10 illustrates a structural block diagram of a processing device in a first node according to an embodiment of the present application, as shown in FIG. 10 .
  • the first node processing device 1000 includes a first receiver 1001 and a first transmitter 1002; the first node 1000 is a UE.
  • the first receiver 1001 receives a first paging message, and the first paging message indicates the first node; the first transmitter 1002 determines the first condition according to whether the first condition set is satisfied. sub-message; in response to receiving the first paging message, sending a first message, the first message including the first sub-message; wherein the first paging message indicates that the first radio bearer set is in the RRC
  • the inactive state performs data transmission; the behavior determines the first sub-message according to whether the first condition set is satisfied: when all conditions in the first condition set are satisfied, the first sub-message belongs to the first Candidate message set; when any condition in the first condition set is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes the first sub-message that does not belong to the first radio bearer Pending uplink data for radio bearers outside the set.
  • the first message belongs to one of the SDT process or the first random access process; wherein all conditions in the first condition set are satisfied; the first random access process includes The air interface resources occupied by PRACH are reserved for non-SDT triggered random access processes.
  • the first message belongs to one of the SDT process or the first random access process; wherein all conditions in the first condition set are satisfied; the first random access process includes The air interface resources occupied by the PRACH are reserved for non-SDT triggered random access processes; the first transmitter 1002, along with sending the first message, restores all radio bearers in the first radio bearer set.
  • the first message belongs to one of the SDT process or the first random access process; wherein all conditions in the first condition set are satisfied; the first random access process includes The air interface resources occupied by the PRACH are reserved for non-SDT triggered random access processes; the first transmitter 1002, in response to receiving the first paging message, restores the first radio bearer set All wireless bearers.
  • the first receiver 1001 receives a second message, the second message is a response to the first message, and the second message is used to restore at least the first radio bearer set. All radio bearers in; wherein the first message belongs to the second random access process, and the air interface resources occupied by the PRACH included in the second random access process are reserved for non-SDT triggered random access processes; Any condition in the first set of conditions is not satisfied.
  • the radio bearers outside the first radio bearer set are not configured to perform data transmission in the RRC inactive state, or the radio bearers outside the first radio bearer set have not been established yet.
  • the first receiver 1001 receives a third message before receiving the first paging message, and the third message is used to indicate entering or maintaining the RRC inactive state; wherein, The third message indicates the first radio bearer set.
  • the first receiver 1001 includes the receiver 454 (including the antenna 452), the receiving processor 456, the multi-antenna receiving processor 458 and the controller/processor 459 in Figure 4 of this application.
  • the first receiver 1001 includes at least one of the receiver 454 (including the antenna 452), the receiving processor 456, the multi-antenna receiving processor 458 or the controller/processor 459 in Figure 4 of this application. one.
  • the first receiver 1001 includes the controller/processor 459 in Figure 4 of this application.
  • the first transmitter 1002 includes the transmitter 454 (including the antenna 452), the transmit processor 468, the multi-antenna transmit processor 457 and the controller/processor 459 in Figure 4 of this application.
  • the first transmitter 1002 includes at least one of the transmitter 454 (including the antenna 452), the transmit processor 468, the multi-antenna transmit processor 457 or the controller/processor 459 in Figure 4 of this application. one.
  • the first transmitter 1002 includes the controller/processor 459 in Figure 4 of this application.
  • Embodiment 11 illustrates a structural block diagram of the processing device in the second node according to an embodiment of the present application, as shown in Figure 11.
  • the second node processing device 1100 includes a second receiver 1101 and a second transmitter 1102; the second node 1100 is a base station.
  • the second transmitter 1102 sends a first paging message indicating the first node; the second receiver 1101 sends a response to the first paging message.
  • receiving a first message the first message including a first sub-message; wherein whether the first condition set is satisfied is used to determine the first sub-message; the first paging message indicates a first radio bearer set Data transmission is performed in the RRC inactive state; whether the first condition set is satisfied is used to determine the first sub-message including: when all conditions in the first condition set are satisfied, the first The sub-message belongs to the first candidate message set; when any condition in the first condition set is not satisfied, the first sub-message belongs to the second candidate message set; the first condition set at least includes Pending uplink data of radio bearers outside the first radio bearer set.
  • the first message belongs to one of the SDT process or the first random access process; wherein all conditions in the first condition set are satisfied; the first random access process includes The air interface resources occupied by PRACH are reserved for non-SDT triggered random access processes.
  • the first message belongs to one of the SDT process or the first random access process; wherein all conditions in the first condition set are satisfied; the first random access process includes The air interface resources occupied by the PRACH are reserved for non-SDT-triggered random access processes; as the first message is sent, all radio bearers in the first radio bearer set are restored.
  • the first message belongs to one of the SDT process or the first random access process; wherein all conditions in the first condition set are satisfied; the first random access process includes The air interface resources occupied by the PRACH are reserved for non-SDT triggered random access processes; as a response to the first paging message being received, all radio bearers in the first radio bearer set are restored.
  • the second transmitter 1102 in response to receiving the first message, sends a second message, the second message being used to restore at least all radio bearers in the first radio bearer set. ;
  • the first message belongs to the second random access process, and the air interface resources occupied by the PRACH included in the second random access process are reserved for non-SDT triggered random access processes; the first condition None of the conditions in the set are met.
  • the radio bearers outside the first radio bearer set are not configured to perform data transmission in the RRC inactive state, or the radio bearers outside the first radio bearer set have not been established yet.
  • the second transmitter 1102 sends a third message before sending the first paging message, and the third message is used to indicate entering or maintaining the RRC inactive state; wherein, The third message indicates the first radio bearer set.
  • the second receiver 1101 includes the receiver 418 (including the antenna 420), the receiving processor 470, the multi-antenna receiving processor 472 and the controller/processor 475 in Figure 4 of this application.
  • the second receiver 1101 includes at least one of the receiver 418 (including the antenna 420), the receiving processor 470, the multi-antenna receiving processor 472 or the controller/processor 475 in Figure 4 of this application. one.
  • the second transmitter 1102 includes the transmitter 418 (including the antenna 420), the transmit processor 416, the multi-antenna transmit processor 471 and the controller/processor 475 in Figure 4 of this application.
  • the second transmitter 1102 includes at least one of the transmitter 418 (including the antenna 420), the transmit processor 416, the multi-antenna transmit processor 471 or the controller/processor 475 in Figure 4 of this application. one.
  • the first type of communication node or UE or terminal in this application includes but is not limited to mobile phones, tablets, laptops, network cards, low-power devices, eMTC (enhanced Machine Type Communication) devices, and NB-IoT devices , vehicle-mounted communication equipment, aircraft, aircraft, drones, remote control aircraft and other wireless communication equipment.
  • the second type of communication node or base station or network side equipment in this application includes but is not limited to macro cell base station, micro cell base station, home base station, relay base station, eNB, gNB, transmission and reception node TRP (Transmission and Reception Point, transmitting and receiving point), relay satellite, satellite base station, air base station and other wireless communication equipment.
  • TRP Transmission and Reception Point

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Abstract

本申请公开了一种被用于无线通信的方法和装置。第一节点接收第一寻呼消息；根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理上行数据。本申请有效支持下行触发的小数据发送。

Description

一种被用于无线通信的方法和装置 技术领域
本申请涉及无线通信系统中的方法和装置，尤其涉及无线通信中在RRC非活跃状态下支持下行触发的小数据(DL-triggered small data)发送的方法和装置。
背景技术
RRC(radio resource control，无线资源控制)非活跃(RRC_INACTIVE)状态是NR(New Radio，新空口)中新引入的一个RRC状态。当用户进入RRC非活跃状态时，用户可以保留部分网络配置信息。当有业务到达时，用户可以通过重新进入RRC连接(RRC_CONNECTED)状态后进行数据传输。直到Rel(版本)-16，在3GPP(3rd Generation Partner Project，第三代合作伙伴项目)RAN(Radio Access Network，无线接入网)中不支持在RRC非活跃状态进行数据传输。
未来无线通信系统的应用场景越来越多样化，随着物联网的飞速发展，小数据业务将是未来无线通信中的一个重要业务。小数据业务具有数据量小且发送频率低的特点，针对小数据发送，RRC状态转换的信令开销要大于小数据的传输开销，同时也增加了UE(UserEquipment，用户设备)的功耗开销。因此，在3GPP RAN#88e次全会上决定对RRC不活跃状态下由上行数据触发的小数据发送(small data transmission,SDT)启动WI(Work Item，工作项目)标准化工作；在3GPP RAN#94e次全会上决定对RRC不活跃状态下由下行数据触发的小数据发送启动WI标准化工作。
发明内容
发明人通过研究发现，UE处于RRC非活跃状态，当有下行小数据到达时，网络通过寻呼UE指示发起小数据通信。UE在接收到寻呼消息之后且接入网络之前可能有上行非小数据到达，UE如何向网络指示是通过SDT通信还是需要进入RRC连接状态通信需要研究。
针对上述问题，本申请公开了一种RRC非活跃状态下支持下行触发的小数据发送的解决方案，在接收到寻呼消息指示UE维持在RRC非活跃状态执行小数据传输后，UE根据是否有上行数据向网络指示，使得网络和UE可以达成相同的理解，可以获得节省信令开销的有益效果，并灵活支持SDT和RRC连接状态的数据传输。在不冲突的情况下，本申请的第一节点中的实施例和实施例中的特征可以应用到第二节点中，反之亦然。在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。进一步的，虽然本申请的初衷是针对Uu空口，但本申请也能被用于PC5口。进一步的，虽然本申请的初衷是针对终端与基站场景，但本申请也同样适用于V2X(Vehicle-to-Everything，车联网)场景，终端与中继，以及中继与基站之间的通信场景，取得类似的终端与基站场景中的技术效果。此外，不同场景(包括但不限于V2X场景和终端与基站的通信场景)采用统一的解决方案还有助于降低硬件复杂度和成本。特别的，对本申请中的术语(Terminology)、名词、函数、变量的解释(如果未加特别说明)可以参考3GPP的规范协议TS36系列、TS38系列、TS37系列中的定义。
本申请公开了一种被用于无线通信的第一节点中的方法，其特征在于，包括：
接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；
根据第一条件集合是否被满足确定第一子消息；
作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；
其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，上述方法适用于下行触发的小数据发送。
作为一个实施例，上述方法通过所述第一寻呼消息指示第一无线承载集合中的无线承载在RRC非活跃状态执行数据传输，可以减少由于RRC状态转换引入的信令开销。
作为一个实施例，上述方法通过所述第一寻呼消息指示第一无线承载集合中的无线承载在RRC非活跃状态执行数据传输，可以降低接入延时。
作为一个实施例，传统方法根据所述第一寻呼消息设置所述第一子消息；上诉方法进一步通过第一条件集合是否被满足设置所述第一子消息，使得网络和UE可以达成相同的理解，加快所述第一无线承载之外的无线承载的恢复。
作为一个实施例，上诉方法通过第一子消息指示网络，可以灵活实现后向兼容，有助于降低硬件复杂度和成本。
作为一个实施例，所述第一无线承载集合中的任一无线承载被配置用于RRC非活跃状态下的数据传输。
作为一个实施例，所述第一无线承载集合中的任一无线承载被配置用于下行触发的小数据发送。
作为一个实施例，所述第一无线承载集合之外的无线承载不被配置用于RRC非活跃状态下的数据传输。
作为一个实施例，在RRC非活跃状态，所述第一无线承载集合之外的无线承载保持挂起(suspended)状态。
作为一个实施例，在RRC非活跃状态，所述第一无线承载集合中的无线承载在SDT过程中被恢复；其中，所述SDT过程由下行数据触发，或者所述SDT过程由上行数据触发。
根据本申请的一个方面，包括：
所述第一消息属于SDT过程或者第一随机接入过程二者之一；
其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，所述SDT过程包括RA(Random Access，随机接入)-SDT过程或CG(Configured Grant，配置授予)-SDT过程二者之一。
作为一个实施例，所述RA-SDT过程包括的PRACH(Physical Random Access CHannel，物理随机接入信道)所占用的空口资源被预留给SDT触发的随机接入过程。
作为一个实施例，上述方法通过预留给所述RA-SDT的PRACH资源指示网络，使得网络和UE可以达成相同的理解。
作为一个实施例，上诉方法实现所述第一节点在RRC非活跃状态执行SDT可以显著减少信令开销，同时用户设备获得节电的有益效果。
作为一个实施例，上述方法可以提高接入可靠性。
作为一个实施例，当所述SDT过程包括的PRACH资源或配置上行授予资源在时域上早于所述第一随机接入过程包括的PRACH资源时，所述第一消息属于SDT过程；当所述SDT过程包括的PRACH资源或配置上行授予资源在时域上晚于所述第一随机接入过程包括的PRACH资源时，所述第一消息属于所述第一随机接入过程。
作为一个实施例，上述方法可以降低接入延时。
根据本申请的一个方面，包括：
伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载。
根据本申请的一个方面，包括：
作为接收所述第一寻呼消息的响应，恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，上述方法可以降低接入延时。
根据本申请的一个方面，包括：
接收第二消息，所述第二消息为对所述第一消息的响应，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；
其中，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一条件集合中的任一条件不被满足。
作为一个实施例，上述方法可以后向兼容已有技术，有助于降低硬件复杂度和成本。
根据本申请的一个方面，包括：
所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立。
根据本申请的一个方面，包括：
在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；
其中，所述第三消息指示所述第一无线承载集合。
本申请公开了一种被用于无线通信的第二节点中的方法，其特征在于，包括：
发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；
作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；
其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
根据本申请的一个方面，包括：
所述第一消息属于SDT过程或者第一随机接入过程二者之一；
其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
根据本申请的一个方面，包括：
伴随所述第一消息被发送，所述第一无线承载集合中的所有无线承载被恢复。
根据本申请的一个方面，包括：
作为所述第一寻呼消息被接收的响应，所述第一无线承载集合中的所有无线承载被恢复。
根据本申请的一个方面，包括：
作为接收所述第一消息的响应，发送第二消息，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；
其中，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一条件集合中的任一条件不被满足。
根据本申请的一个方面，包括：
所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立
根据本申请的一个方面，包括：
在发送所述第一寻呼消息之前发送第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；
其中，所述第三消息指示所述第一无线承载集合。
本申请公开了一种被用于无线通信的第一节点，其特征在于，包括：
第一接收机，接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；
第一发射机，根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；
其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
本申请公开了一种被用于无线通信的第二节点，其特征在于，包括：
第二发射机，发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；
第二接收机，作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；
其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更加明显：
图1示例了根据本申请的一个实施例的第一节点的传输流程图；
图2示例了根据本申请的一个实施例的网络架构的示意图；
图3示例了根据本申请的一个实施例的用户平面和控制平面的无线协议架构的示意图；
图4示例了根据本申请的一个实施例的通信设备的硬件模块示意图；
图5示例了根据本申请的一个实施例的无线信号传输流程图；
图6示例了根据本申请的一个实施例的另一个无线信号传输流程图；
图7示例了根据本申请的一个实施例的第三个无线信号传输流程图；
图8示例了根据本申请的一个实施例的第一寻呼消息的格式示意图；
图9示例了根据本申请的一个实施例的第一消息的格式示意图；
图10示例了根据本申请的一个实施例的第一节点中的处理装置的结构框图；
图11示例了根据本申请的一个实施例的第二节点中的处理装置的结构框图。
具体实施方式
下文将结合附图对本申请的技术方案作进一步详细说明，需要说明的是，在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。
实施例1
实施例1示例了根据本申请的一个实施例的第一节点的传输流程图，如附图1所示。
在实施例1中，第一节点100在步骤101中接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；在步骤102中根据第一条件集合是否被满足确定第一子消息；在步骤103中作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合被用于在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，接收所述第一寻呼消息之前所述第一节点处于RRC非活跃状态。
作为一个实施例，从空中接口接收第一寻呼消息，所述空中接口为Uu接口。
作为一个实施例，所述第一寻呼消息显式指示所述第一节点。
作为一个实施例，所述第一寻呼消息隐式指示所述第一节点。
作为一个实施例，所述短语所述第一寻呼消息指示所述第一节点包括：所述第一寻呼消息包括第一标识，所述第一标识被用于标识所述第一节点。
作为一个实施例，所述短语所述第一寻呼消息指示所述第一节点包括：所述第一寻呼消息包括第二标识，所述第一节点已经加入由所述第二标识指示的一个或多个MBS(multicast/broadcast service，多播广播业务)会话(session)且所述第一寻呼消息不包括由上层(upper layer)分配的所述第一节点的标识。
作为一个实施例，在所述第一节点的寻呼时机(paging occasion)中接收所述第一寻呼消息。
作为一个实施例，所述第一寻呼消息为RRC消息。
作为一个实施例，所述第一寻呼消息为RAN寻呼消息。
作为一个实施例，所述第一寻呼消息不是CN(core network，核心网)寻呼消息。
作为一个实施例，所述第一寻呼消息不被用于改变所述第一节点所处的RRC状态。
作为一个实施例，所述第一标识是由RAN分配的。
作为一个实施例，所述第一标识不是上层(upper layer)分配的。
作为一个实施例，所述上层为核心网。
作为一个实施例，所述上层为NAS(Non-access stratum，非接入层)。
作为一个实施例，所述第一标识为I(Inactive，非活跃)-RNTI(Radio Network Temporary Identifier，无线网络临时标识)。
作为一个实施例，所述第一标识包括完整的I-RNTI值。
作为一个实施例，所述第一标识包括40比特。
作为一个实施例，所述第二标识为TMGI(Temporary Mobile Group Identity，临时移动组标识)。
作为一个实施例，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输。
作为一个实施例，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输的意思是：所述第一寻呼消息指示SDT。
作为一个实施例，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输的意思是：所述第一寻呼消息指示MT(mobile terminated，移动端终止)-SDT。
作为一个实施例，所述第一寻呼消息指示寻呼所述第一节点的原因为恢复所述第一无线承载集合中的所有无线承载并在所述RRC非活跃状态下执行数据传输。
作为一个实施例，所述第一无线承载集合中的任一无线承载被用于在RRC非活跃状态下的数据传输。
作为一个实施例，所述第一无线承载集合中的任一无线承载在接收所述第一寻呼消息之前处于挂起状态。
作为一个实施例，所述第一无线承载集合包括至少一个无线承载。
作为一个实施例，作为接收所述第一寻呼消息的响应，发送第一消息。
作为一个实施例，所述第一寻呼消息被用于启动(initiate)RRC连接恢复过程。
作为一个实施例，所述第一消息被用于请求恢复RRC连接。
作为一个实施例，所述第一消息为CCCH(Common Control Channel，公共控制信道)消息(message)。
作为一个实施例，所述第一消息为RRC信令。
作为一个实施例，所述第一消息被携带在RRC信令中的全部或部分IE(Information element，信息元素)中。
作为一个实施例，所述第一消息被携带在RRC信令中的一个IE中的全部或部分域(field)中。
作为一个实施例，所述第一消息为RRCResumeRequest(RRC恢复请求)。
作为一个实施例，所述第一消息为RRCResumeRequest1(RRC恢复请求1)。
作为一个实施例，所述第一消息包括所述第一标识的至少部分比特；其中，所述第一标识为I-RNTI。
作为一个实施例，所述第一消息包括所述第一标识。
作为一个实施例，所述第一标识包括40比特，所述第一消息包括所述第一标识中的24比特。
作为一个实施例，所述第一消息包括第一子消息。
作为一个实施例，所述第一子消息为所述第一消息中的一个域(field)。
作为一个实施例，所述第一子消息为resumeCause(恢复原因)。
作为一个实施例，根据第一条件集合是否被满足确定所述第一子消息。
作为一个实施例，所述第一条件集合包括至少一个条件。
作为一个实施例，所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据这个条件。
作为一个实施例，所述第一条件集合包括没有属于所述第一无线承载集合的待处理上行数据，或者，有属于所述第一无线承载集合的待处理上行数据且触发SDT过程的条件被满足这个条件。
作为一个实施例，所述触发SDT过程的条件被满足包括满足如下5个条件：上层请求RRC连接恢复；SIB1(System Information Block，系统信息块1)包括sdt-ConfigCommon(小数据发送公共配置)；sdt-Config(小数据发送配置)被配置；所有待处理上行数据被映射(mapped)到被配置SDT的无线承载；底层(lower  layer)指示触发SDT的条件被满足。
作为一个实施例，所述触发SDT过程的条件被满足包括满足3GPP标准TS38.331中第5.3.13章节中的条件。
作为一个实施例，所述底层指示触发SDT的条件被满足包括满足如下2个条件：被映射到被配置SDT的所有无线承载的所述待处理上行数据的数据量不大于第一阈值；下行路损参考(downlink pathloss reference)的RSRP(Reference Signal Received Power，参考信号接收功率)高于第二阈值。
作为一个实施例，所述底层指示触发SDT的条件被满足包括满足3GPP标准TS38.31中第5.27章节中的条件。
作为一个实施例，所述第一无线承载集合中的任一无线承载被配置SDT。
作为一个实施例，所有待处理上行数据被映射到被配置SDT的无线承载的意思是：所有待处理上行数据被映射到所述第一无线承载集合中的无线承载。
作为一个实施例，所述第一阈值和所述第二阈值分别由网络配置。
作为一个实施例，所述第一阈值为sdt-DataVolumeThreshold(小数据发送数据量阈值)。
作为一个实施例，所述第二阈值为sdt-RSRP-Threshold(小数据发送参考信号接收功率阈值)。
作为一个实施例，所述待处理上行数据的到达不早于所述第一寻呼消息的接收。
作为一个实施例，所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合。
作为一个实施例，所述第一条件集合仅包括没有属于所述第一无线承载集合之外的无线承载的待处理上行数据。
作为上述实施例的一个子实施例，当没有属于所述第一无线承载集合之外的无线承载的待处理上行数据时，所述第一条件集合被满足；当有属于所述第一无线承载集合之外的无线承载的待处理上行数据时，所述第一条件集合不被满足。
作为一个实施例，所述第一条件集合包括2个条件：其中一个条件是没有属于所述第一无线承载集合之外的无线承载的待处理上行数据，另一个条件是没有属于所述第一无线承载集合的待处理上行数据，或者，有属于所述第一无线承载集合的待处理上行数据且触发SDT过程的条件被满足。
作为上述实施例的一个子实施例，当没有属于所述第一无线承载集合之外的无线承载的待处理上行数据，同时没有属于所述第一无线承载集合的待处理上行数据，或者，有属于所述第一无线承载集合的待处理上行数据且触发SDT过程的条件被满足时，所述第一条件集合的所有条件都被满足；当有属于所述第一无线承载集合之外的无线承载的待处理上行数据时，所述第一条件集合不被满足，或者当有属于所述第一无线承载集合的待处理上行数据且触发SDT过程的条件不被满足时，所述第一条件集合不被满足。
作为一个实施例，所述第一候选消息集合与所述第二候选消息集合正交。
作为一个实施例，所述第一候选消息集合中的任一消息被用于指示发送所述第一消息的原因为响应所述第一寻呼消息。
作为一个实施例，所述第一候选消息集合中的任一消息被用于向网络指示所述第一节点发送所述第一消息的原因是继续维持RRC非活跃状态并执行SDT。
作为一个实施例，所述第一候选消息集合中的任一消息被用于指示没有属于所述第一无线承载集合之外的无线承载的待处理上行数据。
作为一个实施例，所述第二候选消息集合中的任一消息被用于指示有属于所述第一无线承载集合之外的无线承载的待处理上行数据，或，有属于所述第一无线承载集合的待处理上行数据且触发SDT过程的条件不被满足二者之一。
作为一个实施例，所述第二候选消息集合中的任一消息被用于指示发送所述第一消息的原因为移动端发起(mobile originated)。
作为一个实施例，所述第二候选消息集合中的任一消息被用于向网络指示所述第一节点发送所述第一消息的原因是需要恢复RRC连接并执行数据传输。
作为一个实施例，所述第一候选消息集合至少包括highPriorityAccess(高优先级接入),mt-Access(移 动端终止的接入),mps(Multimedia Priority Service，多媒体优先级业务)-PriorityAccess(优先级接入)和mcs(Mission Critical Service，紧急业务)-PriorityAccess。
作为一个实施例，当所述第一子消息属于所述第一候选消息集合时，根据所述第一节点被上层(upper layer)配置的接入标识(Access Identity)确定所述第一子消息。
作为一个实施例，当所述第一节点被上层配置接入标识1时，所述第一子消息为mps-PriorityAccess。
作为一个实施例，当所述第一节点被上层配置接入标识2时，所述第一子消息为mcs-PriorityAccess。
作为一个实施例，当所述第一节点被上层配置接入标识11-15时，所述第一子消息为highPriorityAccess。
作为一个实施例，当所述第一节点未被上层配置值接入标识1，或者接入标识2，或者接入标识11-15时，所述第一子消息为mt(Mobile Terminated，移动端终止)-Access。
作为一个实施例，所述第二候选消息集合至少包括mo(Mobile Originated，移动端发起)-Signalling(信令)，mo-Data(数据),mo-VoiceCall(语音电话),mo-VideoCall(视频电话),mo-SMS(ShortMessage Service，短消息业务)和rna(RAN area，)-Update。
作为一个实施例，当所述第一子消息属于所述第二候选消息集合时，所述第一子消息由上层提供。
作为一个实施例，当所述第一子消息属于所述第二候选消息集合时，所述第一子消息由RRC子层提供。
作为一个实施例，当有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行信令时，所述第一子消息为mo-Signalling。
作为一个实施例，当有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据时，所述第一子消息为mo-Data。
作为一个实施例，当有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行语音电话时，所述第一子消息为mo-VoiceCall。
作为一个实施例，当有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行视频电话时，所述第一子消息为mo-VideoCall。
作为一个实施例，当有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行短消息时，所述第一子消息为mo-SMS。
作为一个实施例，当有RNA(RAN-basedNotification Area，基于无线接入网的通知区域)更新时，所述第一子消息为rna-Update(更新)。
实施例2
实施例2示例了根据本申请的一个实施例的网络架构示意图，如附图2所示。图2说明了NR 5G，LTE(Long-Term Evolution，长期演进)及LTE-A(Long-Term Evolution Advanced，增强长期演进)系统的网络架构200的图。NR 5G，LTE或LTE-A网络架构200可称为5GS(5G System)/EPS(Evolved Packet System，演进分组系统)200或某种其它合适术语。5GS/EPS 200可包括一个或一个以上UE(User Equipment，用户设备)201，NG-RAN(下一代无线接入网络)202，5GC(5G Core Network，5G核心网)/EPC(Evolved Packet Core，演进分组核心)210，HSS(Home Subscriber Server，归属签约用户服务器)/UDM(Unified Data Management，统一数据管理)220和因特网服务230。5GS/EPS可与其它接入网络互连，但为了简单未展示这些实体/接口。如图所示，5GS/EPS提供包交换服务，然而所属领域的技术人员将容易了解，贯穿本申请呈现的各种概念可扩展到提供电路交换服务的网络或其它蜂窝网络。NG-RAN包括NR节点B(gNB)203和其它gNB204。gNB203提供朝向UE201的用户和控制平面协议终止。gNB203可经由Xn接口(例如，回程)连接到其它gNB204。gNB203也可称为基站、基站收发台、无线电基站、无线电收发器、收发器功能、基本服务集合(Basic Service Set,BSS)、扩展服务集合(Extended Service Set,ESS)、TRP(Transmission Reception Point，发送接收节点)或某种其它合适术语，在NTN(Non Terrestrial Network,非陆地/卫星网络)网络中，gNB203可以是卫星，飞行器或通过卫星中继的地面基站。gNB203为UE201提供对5GC/EPC210的接入点。UE201的实例包括蜂窝式电话、智能电话、会话起始协议(Session Initiation Protocol,SIP)电话、膝上型计算机、个人数字助理(Personal Digital Assistant,PDA)、卫星无线电、全球定位系统、多媒体装置、视频装置、数字音频播放器(例如，MP3播放器)、相机、游戏控制台、无人机、飞行器、窄带物联网设备、 机器类型通信设备、陆地交通工具、汽车、车载设备、车载通信单元、可穿戴设备，或任何其它类似功能装置。所属领域的技术人员也可将UE201称为移动台、订户台、移动单元、订户单元、无线单元、远程单元、移动装置、无线装置、无线通信装置、远程装置、移动订户台、接入终端、移动终端、无线终端、远程终端、手持机、用户代理、移动客户端、客户端或某个其它合适术语。gNB203通过S1/NG接口连接到5GC/EPC210。5GC/EPC210包括MME(MobilityManagementEntity,移动性管理实体)/AMF(Authentication Management Field,鉴权管理域)/SMF(Session Management Function，会话管理功能)211、其它MME/AMF/SMF214、S-GW(Service Gateway，服务网关)/UPF(UserPlane Function，用户面功能)212以及P-GW(Packet Date Network Gateway，分组数据网络网关)/UPF213。MME/AMF/SMF211是处理UE201与5GC/EPC210之间的信令的控制节点。大体上，MME/AMF/SMF211提供承载和连接管理。所有用户IP(Internet Protocol，因特网协议)包是通过S-GW/UPF212传送，S-GW/UPF212自身连接到P-GW/UPF213。P-GW提供UE IP地址分配以及其它功能。P-GW/UPF213连接到因特网服务230。因特网服务230包括运营商对应因特网协议服务，具体可包括因特网、内联网、IMS(IP Multimedia Subsystem，IP多媒体子系统)和PS(Packet Switching,包交换)串流服务。
作为一个实施例，所述UE201对应本申请中的第一节点。
作为一个实施例，所述NR节点B203对应本申请中的第二节点。
作为一个实施例，所述gNB203是宏蜂窝(Marco Cell)基站。
作为一个实施例，所述gNB203是微小区(Micro Cell)基站。
作为一个实施例，所述gNB203是微微小区(Pico Cell)基站。
作为一个实施例，所述gNB203是家庭基站(Femtocell)。
作为一个实施例，所述gNB203是支持大时延差的基站设备。
作为一个实施例，所述gNB203是一个飞行平台设备。
作为一个实施例，所述gNB203是卫星设备。
作为一个实施例，所述gNB203是测试设备(例如模拟基站部分功能的收发装置，信令测试仪)。
作为一个实施例，从所述UE201到所述gNB203的无线链路是上行链路，所述上行链路被用于执行上行传输。
作为一个实施例，从所述gNB203到所述UE201的无线链路是下行链路，所述下行链路被用于执行下行传输。
作为一个实施例，所述UE201和所述gNB203之间通过Uu接口连接。
实施例3
实施例3示例了根据本申请的一个实施例的用户平面和控制平面的无线协议架构的示意图，如附图3所示。图3是说明用于用户平面350和控制平面300的无线协议架构的实施例的示意图，图3用三个层展示UE和gNB的控制平面300的无线协议架构：层1、层2和层3。层1(L1层)是最低层且实施各种PHY(物理层)信号处理功能。L1层在本文将称为PHY301。层2(L2层)305在PHY301之上，通过PHY301负责在UE和gNB之间的链路。L2层305包括MAC(Medium Access Control，媒体接入控制)子层302、RLC(Radio Link Control，无线链路层控制协议)子层303和PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)子层304，这些子层终止于网络侧的gNB处。PDCP子层304提供数据加密和完整性保护，PDCP子层304还提供gNB之间的对UE的越区移动支持。RLC子层303提供数据包的分段和重组，通过ARQ实现丢失数据包的重传，RLC子层303还提供重复数据包检测和协议错误检测。MAC子层302提供逻辑与传输信道之间的映射和逻辑信道身份的复用。MAC子层302还负责在UE之间分配一个小区中的各种无线资源(例如，资源块)。MAC子层302还负责HARQ(Hybrid Automatic Repeat Request，混合自动重传请求)操作。控制平面300中的层3(L3层)中的RRC(Radio Resource Control，无线资源控制)子层306负责获得无线资源(即，无线承载)且使用gNB与UE之间的RRC信令来配置下部层。虽然未图示，UE的控制平面300中的RRC子层306之上还可以具有V2X层，V2X层负责根据接收到的业务数据或业务请求生成PC5 QoS参数组和QoS规则，对应PC5 QoS参数组生成一条PC5 QoS流并将PC5 QoS流标识和对应的PC5 QoS参数组发送给AS(Access Stratum,接入层)层用于AS层对属于PC5 QoS流标识的数据包的QoS处理； V2X层还包括PC5-S信令协议(PC5-Signaling Protocol)子层，V2X层负责指示AS层每一次传输是PC5-S传输还是V2X业务数据传输。用户平面350的无线协议架构包括层1(L1层)和层2(L2层)，在用户平面350中的无线协议架构对于物理层351，L2层355中的PDCP子层354，L2层355中的RLC子层353和L2层355中的MAC子层352来说和控制平面300中的对应层和子层大体上相同，但PDCP子层354还提供用于上部层数据包的包头压缩以减少无线发送开销。用户平面350中的L2层355中还包括SDAP(Service Data Adaptation Protocol，服务数据适配协议)子层356，SDAP子层356负责QoS(Quality of Service，业务质量)流和数据无线承载(DRB，Data Radio Bearer)之间的映射，以支持业务的多样性。UE在用户平面350中的无线协议架构在L2层可包括SDAP子层356，PDCP子层354，RLC子层353和MAC子层352的部分协议子层或者全部协议子层。虽然未图示，但UE还可具有在L2层355之上的若干上部层，包括终止于网络侧上的P-GW处的网络层(例如，IP层)和终止于连接的另一端(例如，远端UE、服务器等等)处的应用层。
作为一个实施例，附图3中的控制平面的多个子层的实体在垂直方向组成SRB。
作为一个实施例，附图3中的用户平面的多个子层的实体在垂直方向组成DRB。
作为一个实施例，附图3中的用户平面的多个子层的实体在垂直方向组成MRB。
作为一个实施例，附图3中的无线协议架构适用于本申请中的第一节点。
作为一个实施例，附图3中的无线协议架构适用于本申请中的第二节点。
作为一个实施例，本申请中的所述第一寻呼消息生成于所述RRC306。
作为一个实施例，本申请中的所述第一消息生成于所述RRC306。
作为一个实施例，本申请中的所述第一子消息生成于所述RRC306。
作为一个实施例，本申请中的所述第二消息生成于所述RRC306。
作为一个实施例，本申请中的所述第三消息生成于所述RRC306。
作为一个实施例，所述L2层305或者355属于更高层。
作为一个实施例，所述L3层中的RRC子层306属于更高层。
实施例4
实施例4示例了根据本申请的一个实施例的通信设备的硬件模块示意图，如附图4所示。图4是在接入网络中相互通信的第一通信设备450以及第二通信设备410的框图。
第一通信设备450包括控制器/处理器459，存储器460，数据源467，发射处理器468，接收处理器456，多天线发射处理器457，多天线接收处理器458，发射器/接收器454和天线452。
第二通信设备410包括控制器/处理器475，存储器476，数据源477，接收处理器470，发射处理器416，多天线接收处理器472，多天线发射处理器471，发射器/接收器418和天线420。
在从所述第二通信设备410到所述第一通信设备450的传输中，在所述第二通信设备410处，来自核心网的上层数据包或者来自数据源477的上层数据包被提供到控制器/处理器475。核心网和数据源477表示L2层之上的所有协议层。控制器/处理器475实施L2层的功能性。在从所述第二通信设备410到所述第一通信设备450的传输中，控制器/处理器475提供标头压缩、加密、包分段和重排序、逻辑与输送信道之间的多路复用，以及基于各种优先级量度对所述第一通信设备450的无线资源分配。控制器/处理器475还负责丢失包的重新发射，和到所述第一通信设备450的信令。发射处理器416和多天线发射处理器471实施用于L1层(即，物理层)的各种信号处理功能。发射处理器416实施编码和交错以促进所述第二通信设备410处的前向错误校正(FEC)，以及基于各种调制方案(例如，二元相移键控(BPSK)、正交相移键控(QPSK)、M相移键控(M-PSK)、M正交振幅调制(M-QAM))的信号群集的映射。多天线发射处理器471对经编码和调制后的符号进行数字空间预编码，包括基于码本的预编码和基于非码本的预编码，和波束赋型处理，生成一个或多个空间流。发射处理器416随后将每一空间流映射到子载波，在时域和/或频域中与参考信号(例如，导频)多路复用，且随后使用快速傅立叶逆变换(IFFT)以产生载运时域多载波符号流的物理信道。随后多天线发射处理器471对时域多载波符号流进行发送模拟预编码/波束赋型操作。每一发射器418把多天线发射处理器471提供的基带多载波符号流转化成射频流，随后提供到不同天线420。
在从所述第二通信设备410到所述第一通信设备450的传输中，在所述第一通信设备450处，每一接 收器454通过其相应天线452接收信号。每一接收器454恢复调制到射频载波上的信息，且将射频流转化成基带多载波符号流提供到接收处理器456。接收处理器456和多天线接收处理器458实施L1层的各种信号处理功能。多天线接收处理器458对来自接收器454的基带多载波符号流进行接收模拟预编码/波束赋型操作。接收处理器456使用快速傅立叶变换(FFT)将接收模拟预编码/波束赋型操作后的基带多载波符号流从时域转换到频域。在频域，物理层数据信号和参考信号被接收处理器456解复用，其中参考信号将被用于信道估计，数据信号在多天线接收处理器458中经过多天线检测后恢复出以所述第一通信设备450为目的地的任何空间流。每一空间流上的符号在接收处理器456中被解调和恢复，并生成软决策。随后接收处理器456解码和解交错所述软决策以恢复在物理信道上由所述第二通信设备410发射的上层数据和控制信号。随后将上层数据和控制信号提供到控制器/处理器459。控制器/处理器459实施L2层的功能。控制器/处理器459可与存储程序代码和数据的存储器460相关联。存储器460可称为计算机可读媒体。在从所述第二通信设备410到所述第一通信设备450的传输中，控制器/处理器459提供输送与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自第二通信设备410的上层数据包。随后将上层数据包提供到L2层之上的所有协议层。也可将各种控制信号提供到L3以用于L3处理。
在从所述第一通信设备450到所述第二通信设备410的传输中，在所述第一通信设备450处，使用数据源467将上层数据包提供到控制器/处理器459。数据源467表示L2层之上的所有协议层。类似于在从所述第二通信设备410到所述第一通信设备450的传输中所描述所述第二通信设备410处的发送功能，控制器/处理器459实施标头压缩、加密、包分段和重排序以及逻辑与输送信道之间的多路复用，实施用于用户平面和控制平面的L2层功能。控制器/处理器459还负责丢失包的重新发射，和到所述第二通信设备410的信令。发射处理器468执行调制映射、信道编码处理，多天线发射处理器457进行数字多天线空间预编码，包括基于码本的预编码和基于非码本的预编码，和波束赋型处理，随后发射处理器468将产生的空间流调制成多载波/单载波符号流，在多天线发射处理器457中经过模拟预编码/波束赋型操作后再经由发射器454提供到不同天线452。每一发射器454首先把多天线发射处理器457提供的基带符号流转化成射频符号流，再提供到天线452。
在从所述第一通信设备450到所述第二通信设备410的传输中，所述第二通信设备410处的功能类似于在从所述第二通信设备410到所述第一通信设备450的传输中所描述的所述第一通信设备450处的接收功能。每一接收器418通过其相应天线420接收射频信号，把接收到的射频信号转化成基带信号，并把基带信号提供到多天线接收处理器472和接收处理器470。接收处理器470和多天线接收处理器472共同实施L1层的功能。控制器/处理器475实施L2层功能。控制器/处理器475可与存储程序代码和数据的存储器476相关联。存储器476可称为计算机可读媒体。在从所述第一通信设备450到所述第二通信设备410的传输中，控制器/处理器475提供输送与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自第一通信设备450的上层数据包。来自控制器/处理器475的上层数据包可被提供到核心网或者L2层之上的所有协议层，也可将各种控制信号提供到核心网或者L3以用于L3处理。
作为一个实施例，所述第一通信设备450装置包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用，所述第一通信设备450装置至少：接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，所述第一通信设备450装置包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所 述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，所述第二通信设备410装置包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述第二通信设备410装置至少：发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，所述第二通信设备410装置包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，所述第一通信设备450对应本申请中的第一节点。
作为一个实施例，所述第二通信设备410对应本申请中的第二节点。
作为一个实施例，所述第一通信设备450是一个UE。
作为一个实施例，所述第二通信设备410是一个基站设备。
作为一个实施例，所述天线420，所述发射器418，所述多天线发射处理器471，所述发射处理器416或所述控制器/处理器475中的至少之一被用于发送本申请中的第一寻呼消息。
作为一个实施例，所述天线452，所述接收器454，所述多天线接收处理器458，所述接收处理器456或所述控制器/处理器459中的至少之一被用于接收本申请中的第一寻呼消息。
作为一个实施例，所述天线452，所述发射器454，所述多天线发射处理器457，所述发射处理器468或所述控制器/处理器459中的至少之一被用于发送本申请中的第一消息。
作为一个实施例，所述天线420，所述接收器418，所述多天线接收处理器472，所述接收处理器470或所述控制器/处理器475中的至少之一被用于接收本申请中的第一消息。
作为一个实施例，所述天线420，所述发射器418，所述多天线发射处理器471，所述发射处理器416或所述控制器/处理器475中的至少之一被用于发送本申请中的第二消息。
作为一个实施例，所述天线452，所述接收器454，所述多天线接收处理器458，所述接收处理器456或所述控制器/处理器459中的至少之一被用于接收本申请中的第二消息。
作为一个实施例，所述天线420，所述发射器418，所述多天线发射处理器471，所述发射处理器416或所述控制器/处理器475中的至少之一被用于发送本申请中的第三消息。
作为一个实施例，所述天线452，所述接收器454，所述多天线接收处理器458，所述接收处理器456或所述控制器/处理器459中的至少之一被用于接收本申请中的第三消息。
实施例5
实施例5示例了根据本申请的一个实施例的无线信号传输流程图，如附图5所示。在附图5中，第一节点N51和第二节点N52通过无线接口通信。特别说明的是本示例中的顺序并不限制本申请中的信号传输顺序和实施的顺序。
对于第一节点N51，在步骤S511中接收第三消息；在步骤S512中进入或维持RRC非活跃状态；在 步骤S513中接收第一寻呼消息；在步骤S514中确定第一子消息；在步骤S515中发送第一消息；在步骤S516中恢复第一无线承载集合中的所有无线承载。
对于第二节点N52，在步骤S521中发送第三消息；在步骤S522中发送第一寻呼消息；在步骤S523中接收第一消息。
在实施例5中，接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据；所述第一消息属于SDT过程或者第一随机接入过程；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载；所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立；在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；其中，所述第三消息指示所述第一无线承载集合。
作为一个实施例，所述第二节点为所述第一节点的服务小区的基站。
作为一个实施例，所述第二节点为所述第一节点的主小区(primary cell)的基站。
作为一个实施例，所述第二节点为所述第一节点的辅小区(secondary cell)的基站。
作为一个实施例，所述第二节点为所述第一节点的驻留小区的基站。
作为一个实施例，在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态。
作为一个实施例，所述第一接收机，作为接收所述第三消息的响应，进入或维持所述RRC非活跃状态。
作为一个实施例，所述第三消息中包括所述第一标识。
作为一个实施例，所述第一标识被用于在RRC非活跃状态下标识所述第一节点。
作为一个实施例，当接收所述第三消息时所述第一节点处于RRC连接状态时，作为接收所述第三消息的响应，进入所述RRC非活跃状态。
作为一个实施例，当接收所述第三消息时所述第一节点处于RRC非活跃状态时，作为接收所述第三消息的响应，维持所述RRC非活跃状态。
作为一个实施例，所述第三消息为高层信令。
作为一个实施例，所述第三消息为RRC信令。
作为一个实施例，所述第三消息被携带在RRC信令中的全部或部分IE(Information element，信息元素)中。
作为一个实施例，所述第三消息被携带在RRC信令中的一个IE中的全部或部分域(field)中。
作为一个实施例，所述第三消息为RRCRelease(RRC释放)。
作为一个实施例，所述第三消息包括挂起配置(suspendConfig)。
作为一个实施例，所述第三消息包括SDT配置(sdt-Config)。
作为一个实施例，所述第三消息包括终止于移动设备(mobile-terminated)的小数据发送配置(mt-sdt-Config)。
作为一个实施例，所述第三消息包括下行小数据发送配置(dl-sdt-Config)。
作为一个实施例，所述第三消息指示所述第一无线承载集合。
作为一个实施例，所述第三消息包括所述第一无线承载集合中的所有无线承载的无线承载标识。
作为一个实施例，所述第三消息配置所述第一无线承载集合中的所有无线承载在所述RRC非活跃状态下的数据传输。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：挂起(suspend)第二无线承载集 合。
作为一个实施例，所述第二无线承载集合包括所述第一节点建立的所有无线承载。
作为一个实施例，所述第一无线承载集合为所述第二无线承载集合的子集。
作为一个实施例，当一个无线承载被挂起后，所述无线承载不被用于数据传输。
作为一个实施例，当一个无线承载被挂起后，所述无线承载的无线承载标识不被释放。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：向所述第二无线承载集合中的所有无线承载的底层(lower layer)指示PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)挂起。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：重建(re-establish)SRB1(Signaling Radio Bearer，信令无线承载1)的RLC(Radio Link Control，无线链路控制)实体。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：重建(re-establish)所述第二无线承载集合中的所有无线承载的RLC实体。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：复位(reset)MAC并如果有默认(default)MAC小区组配置(MAC Cell Group configuration)，释放所述默认MAC小区组配置。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：向上层(upper layer)指示挂起RRC连接。
作为一个实施例，所述行为进入或维持所述RRC非活跃状态包括：执行小区选择(cell selection)。
作为一个实施例，所述第一无线承载集合包括信令无线承载(signaling radio bearer,SRB)。
作为一个实施例，所述第一无线承载集合不包括信令无线承载1(SRB1)。
作为一个实施例，所述第一无线承载集合包括信令无线承载2(SRB2)。
作为一个实施例，所述第一无线承载集合包括信令无线承载3(SRB3)。
作为一个实施例，所述第一无线承载集合包括数据无线承载(data radio bearer，DRB)。
作为一个实施例，所述第一无线承载集合包括MBS无线承载。
作为一个实施例，所述第一无线承载集合中的任一无线承载被配置用于SDT传输。
作为一个实施例，所述第一无线承载集合中的任一无线承载被配置用于下行触发的SDT传输。
作为一个实施例，所述第一无线承载集合中的任一无线承载被用于在至少RRC非活跃状态下的数据传输。
作为一个实施例，所述第一无线承载集合中的任一无线承载被配置用于在RRC连接状态下的数据传输。
作为一个实施例，当所述第一条件集合中的所有条件都被满足时，所述第一消息属于SDT过程或者第一随机接入过程二者之一。
作为一个实施例，所述第一发射机，作为接收所述第一寻呼消息的响应，执行SDT过程，所述行为执行SDT过程包括发送所述第一消息；其中，所述第一条件集合中的所有条件都被满足。
作为一个实施例，所述SDT过程包括RA-SDT过程，或CG-SDT过程。
作为一个实施例，当所述SDT过程为所述RA-SDT过程时，执行SDT过程包括执行一个随机接入过程，执行所述随机接入过程包括发送PRACH，所述PRACH所占用的空口资源被预留给SDT触发的随机接入过程。
作为上述实施例的一个子实施例，所述第一消息被携带在所述SDT过程包括的随机接入过程的Msg3(消息3)中；其中，所述随机接入过程为4步(4-step)随机接入过程。
作为上述实施例的一个子实施例，所述第一消息被携带在所述SDT过程包括的随机接入过程的MsgA(消息A)中；其中，所述随机接入过程为2步(4-step)随机接入过程。
作为一个实施例，当所述SDT过程为所述CG-SDT过程时，执行SDT过程包括执行配置授予类型1。
作为上述实施例的一个子实施例，所述第一消息占用的空口资源为配置上行授予(configured uplink grant)。
作为上述实施例的一个子实施例，所述第一消息为所述SDT过程的首个传输(initial transmission)。
作为一个实施例，所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，所述第一发射机，作为接收所述第一寻呼消息的响应，执行第一随机接入过程，所述行为执行第一随机接入过程包括发送所述第一消息；其中，所述第一条件集合中的所有条件都被满足。
作为一个实施例，所述行为执行第一随机接入过程包括发送PRACH，所述PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，所述第一消息被携带在所述第一随机接入过程的Msg3(消息3)中；其中，所述第一随机接入过程为4步(4-step)随机接入过程。
作为一个实施例，所述第一消息被携带在所述第一随机接入过程的MsgA(消息A)中；其中，所述第一随机接入过程为2步(2-step)随机接入过程。
作为一个实施例，所述SDT过程被用于确定执行下行触发的SDT过程。
作为一个实施例，所述第一随机接入过程包括的PRACH所占用的空口资源与所述第一子消息被共同用于确定执行下行触发的SDT过程。
作为上述两个实施例的一个子实施例，所述第一子消息属于所述第一候选消息集合。
作为一个实施例，所述空口资源包括时域资源，频域资源，码域资源或空域资源中的至少之一。
作为一个实施例，所述待处理上行数据在接收所述第一寻呼消息之后且在发起所述SDT过程之前到达。
作为一个实施例，所述待处理上行数据在接收所述第一寻呼消息之后且在发起所述第一随机接入过程之前到达。
作为一个实施例，所述非SDT触发的随机接入过程包括从RRC非活跃状态的RRC连接恢复过程触发的随机接入过程。
作为一个实施例，所述非SDT触发的随机接入过程包括从RRC空闲(RRC_IDLE)状态的初始接入(initial access)触发的随机接入过程。
作为一个实施例，所述非SDT触发的随机接入过程包括请求其它系统信息(System Information，SI)触发的随机接入过程。
作为一个实施例，当所述第一条件集合中的所有条件都被满足时，伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，当所述第一条件集合中的所有条件都被满足时，伴随发送所述第一消息，所述第一无线承载集合之外的被挂起的无线承载不被恢复。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：所述行为恢复所述第一无线承载集合中的所有无线承载与所述第一消息的发送相关。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：恢复所述第一无线承载集合中的所有无线承载和发送所述第一消息是不可拆分的(原子的)。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：发送所述第一消息和恢复所述第一无线承载集合中的所有无线承载是相互伴生的。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：发送所述第一消息被用于恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：发送所述第一消息时(Upon transmission of the first message)，恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：紧跟发送所述第一消息(Following the transmission of the first message)，恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述行为伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载包括：紧跟恢复所述第一无线承载集合中的所有无线承载，发送所述第一消息。
作为一个实施例，所述行为恢复所述第一无线承载集合中的所有无线承载包括：针对所述第一无线承载集合中包括的每个无线承载，从UE Inactive AS(用户设备非活跃接入层)上下文中恢复与主小区组(masterCellGroup)和pdcp-Config(分组数据汇聚协议配置)的RLC承载关联的配置。
作为一个实施例，所述行为恢复所述第一无线承载集合中的所有无线承载包括：针对所述第一无线承 载集合中包括的每个无线承载，重建(re-establish)PDCP实体(entity)。
作为一个实施例，所述行为恢复所述第一无线承载集合中的所有无线承载包括：针对所述第一无线承载集合中包括的每个无线承载，在不触发PDCP状态报告(status reporting)的情况下为无线承载重建PDCP实体。
传输。
作为一个实施例，所述第一无线承载集合之外的无线承载仅被配置用于在RRC连接状态下执行数据传输。
作为一个实施例，所述第一无线承载集合之外的无线承载不被配置用于SDT过程。
作为一个实施例，所述第一无线承载集合之外的无线承载不被配置用于下行SDT过程。
作为一个实施例，所述第一无线承载集合之外的无线承载尚未被建立。
作为一个实施例，当所述待处理上行数据不属于任一被挂起的无线承载时，用于传输所述待处理上行数据的无线承载尚未被建立。
作为一个实施例，当所述第一条件集合中的所有条件都被满足时，在所述SDT过程初始接入成功之后或者在所述第一随机接入过程成功完成之后，所述第一节点继续维持所述RRC非活跃状态。
作为一个实施例，当所述第一条件集合中的所有条件都被满足时，在所述SDT过程初始接入成功之后或者在所述第一随机接入过程成功完成之后，所述第一节点没有被指示恢复RRC连接。
作为一个实施例，在所述RRC非活跃状态，所述第一接收机，接收第一MAC SDU(Service Data Unit，业务数据单元)，所述第一MAC SDU属于所述第一无线承载集合中的一个无线承载。
作为一个实施例，所述第一接收机，接收第四消息，所述第四消息属于所述RA-SDT过程或者所述第一随机接入过程。
作为一个实施例，所述第四消息被用于指示所述第一随机接入过程成功完成，或者，所述第四消息被用于指示所述RA-SDT过程初始接入成功。
作为上述实施例的一个子实施例，所述第四消息为4步随机接入过程中的Msg4(消息4)。
作为上述实施例的一个子实施例，所述第四消息为2步随机接入过程中的MsgB(消息B)。
作为上述实施例的一个子实施例，所述第四消息为UE Contention Resolution Identity(竞争解决标识)MAC CE。
作为上述实施例的一个子实施例，所述第四消息为successRAR(成功随机接入响应)。
作为一个实施例，所述第一接收机，接收第五消息，所述第五消息属于所述CG-SDT过程。
作为一个实施例，所述第五消息被用于指示所述CG-SDT过程初始接入成功。
作为上述实施例的一个子实施例，所述第五消息为所述第一消息发送之后的第一个下行分配(downlink assignment)。
作为上述实施例的一个子实施例，所述第五消息为DCI(Downlink Control Information，下行控制信息)。
实施例6
实施例6示例了根据本申请的一个实施例的另一个无线信号传输流程图，如附图6所示。在附图6中，第一节点N61和第二节点N62通过无线接口通信。特别说明的是本示例中的顺序并不限制本申请中的信号传输顺序和实施的顺序。
对于第一节点N61，在步骤S611中接收第三消息；在步骤S612中进入或维持RRC非活跃状态；在步骤S613中接收第一寻呼消息；在步骤S614中恢复第一无线承载集合中的所有无线承载；在步骤S615中确定第一子消息；在步骤S616中发送第一消息。
对于第二节点N62，在步骤S621中发送第三消息；在步骤S622中发送第一寻呼消息；在步骤S623中接收第一消息。
在实施例6中，接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一 子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据；所述第一消息属于SDT过程或者第一随机接入过程；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；作为接收所述第一寻呼消息的响应，恢复所述第一无线承载集合中的所有无线承载；所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立；在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；其中，所述第三消息指示所述第一无线承载集合。
作为一个实施例，当所述第一条件集合中的所有条件都被满足时，作为接收所述第一寻呼消息的响应，恢复所述第一无线承载集合中的所有无线承载。
区别于实施例5，所述第一寻呼消息被用于触发恢复所述第一无线承载集合中的所有无线承载。
实施例6中所述第一无线承载集合中的所有无线承载的恢复时间不晚于实施例5中所述第一无线承载集合中的所有无线承载的恢复时间。
实施例7
实施例7示例了根据本申请的一个实施例的第三个无线信号传输流程图，如附图7所示。在附图7中，第一节点N71和第二节点N72通过无线接口通信。特别说明的是本示例中的顺序并不限制本申请中的信号传输顺序和实施的顺序。
对于第一节点N71，在步骤S711中接收第三消息；在步骤S712中进入或维持RRC非活跃状态；在步骤S713中接收第一寻呼消息；在步骤S714中确定第一子消息；在步骤S715中发送第一消息；在步骤S716中接收第二消息；在步骤S717中恢复第一无线承载集合中的所有无线承载。
对于第二节点N72，在步骤S721中发送第三消息；在步骤S722中发送第一寻呼消息；在步骤S723中接收第一消息；在步骤S724中发送第二消息。
实施例7中，接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据；接收第二消息，所述第二消息为对所述第一消息的响应，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；其中，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一条件集合中的任一条件不被满足；所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立；在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；其中，所述第三消息指示所述第一无线承载集合。
作为一个实施例，当所述第一条件集合中的任一条件不被满足时，伴随发送所述第一消息，所述第一无线承载集合中的所有无线承载不被恢复。
作为一个实施例，接收第二消息，所述第二消息为对所述第一消息的响应，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；其中，所述第一条件集合中的任一条件不被满足。
作为一个实施例，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，所述第一消息被携带在所述第二随机接入过程的Msg3(消息3)中；其中，所述第二随机接入过程为4步(4-step)随机接入过程。
作为一个实施例，所述第一消息被携带在所述第二随机接入过程的MsgA(消息A)中；其中，所述第二随机接入过程为2步(2-step)随机接入过程。
作为一个实施例，所述第一发射机，作为接收所述第一寻呼消息的响应，执行第二随机接入过程，所述行为执行第二随机接入过程包括发送所述第一消息。
作为一个实施例，所述行为执行第二随机接入过程包括发送PRACH，所述PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，在所述第二随机接入过程成功完成后接收所述第二消息。
作为一个实施例，所述第二消息为RRC信令。
作为一个实施例，所述第二消息被携带在RRC信令中的全部或部分IE(Information element，信息元素)中。
作为一个实施例，所述第二消息被携带在RRC信令中的一个IE中的全部或部分域(field)中。
作为一个实施例，所述第二消息为RRCResume(RRC恢复)
作为一个实施例，所述第二消息被用于指示恢复RRC连接。
作为一个实施例，所述第一接收机，作为接收所述第二消息的响应，进入RRC连接状态。
作为一个实施例，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述第二消息被用于恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述第二消息被用于恢复所述第一无线承载集合之外的被挂起的所有无线承载。
作为一个实施例，所述第二消息被用于恢复挂起的所有无线承载。
作为一个实施例，所述第二消息被用于丢弃所述第一节点的非活跃AS(Access Stratum，接入层)上下文(context)。
作为一个实施例，所述第二消息被用于释放所述第一节点的suspendConfig(挂起配置)。
作为一个实施例，所述第二随机接入过程包括的PRACH所占用的空口资源与所述第一子消息被共同用于确定从所述RRC非活跃状态转换至RRC连接状态。
作为上述实施例的一个子实施例，所述第一子消息属于所述第二候选消息集合。
作为一个实施例，所述待处理上行数据在接收所述第一寻呼消息之后且在发起所述第二随机接入过程之前到达。
实施例8
实施例8示例了根据本申请的一个实施例的第一寻呼消息的格式示意图，如附图8所示。
作为一个实施例，所述第一寻呼消息包括一个寻呼记录(PagingRecord)，所述寻呼记录包括所述第一标识和寻呼所述第一节点的寻呼原因。
作为一个实施例，所述第一寻呼消息包括一个寻呼组(PagingGroup)，所述寻呼组包括所述第二标识和寻呼原因。
作为一个实施例，所述寻呼原因为MT-SDT。
作为一个实施例，所述寻呼原因为SDT。
实施例8的情况A中，所述第一寻呼消息包括一个PagingRecord(寻呼记录)，所述PagingRecord包括ue-Identity(用户设备标识)域和PagingCause(寻呼原因)域，所述ue-Identity域被用于指示所述第一节点，所述PagingCause被用于指示发送所述第一寻呼消息的寻呼原因为下行触发的SDT；其中，所述PagingUE-Identity(寻呼用户设备标识)为所述第一标识。
实施例8的情况B中，所述第一寻呼消息包括一个PagingGroup(寻呼组)，所述PagingGroup包括TMGI-Identity(TMGI标识)域和PagingCause域，所述TMGI-Identity域被用于指示所述第一节点已经加入的由所述TMGI指示的一个或多个MBS会话，所述PagingCause被用于指示发送所述第一寻呼消息的寻呼原因为下行触发的SDT。
实施例9
实施例9示例了根据本申请的一个实施例的第一消息的格式示意图，如附图9所示。
作为一个实施例，所述第一消息被用于请求恢复RRC连接。
实施例9中，所述第一消息为RRCResumeRequest(RRC恢复请求)信息元素，所述第一消息包括 resumeIdentity(恢复标识)域，resumeMAC-I(恢复MAC-I)域，resumeCause(恢复原因)域和spare(空闲)域；其中，所述resumeIdentity域被用于指示所述第一节点；所述resumeMAC-I域包括认证令牌(authentication token)，所述认证令牌被用于在所述第二节点对UE，即所述第一节点，进行认证；所述resumeCause域包括所述第一子消息，所述第一子消息被用于指示RRC恢复请求的原因；所述spare域被用于满足所述RRCResumeRequest信息元素包括2的正整数次方个比特。
实施例10
实施例10示例了根据本申请的一个实施例的第一节点中的处理装置的结构框图，如附图10所示。在附图10中，第一节点处理装置1000包括第一接收机1001和第一发射机1002；所述第一节点1000是一个UE。
在实施例10中，第一接收机1001，接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；第一发射机1002，根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，所述第一消息属于SDT过程或者第一随机接入过程二者之一；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，所述第一消息属于SDT过程或者第一随机接入过程二者之一；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一发射机1002，伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述第一消息属于SDT过程或者第一随机接入过程二者之一；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一发射机1002，作为接收所述第一寻呼消息的响应，恢复所述第一无线承载集合中的所有无线承载。
作为一个实施例，所述第一接收机1001，接收第二消息，所述第二消息为对所述第一消息的响应，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；其中，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一条件集合中的任一条件不被满足。
作为一个实施例，所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立。
作为一个实施例，所述第一接收机1001，在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；其中，所述第三消息指示所述第一无线承载集合。
作为一个实施例，所述第一接收机1001包括本申请附图4中的接收器454(包括天线452)，接收处理器456，多天线接收处理器458和控制器/处理器459。
作为一个实施例，所述第一接收机1001包括本申请附图4中的接收器454(包括天线452)，接收处理器456，多天线接收处理器458或控制器/处理器459中的至少之一。
作为一个实施例，所述第一接收机1001包括本申请附图4中控制器/处理器459。
作为一个实施例，所述第一发射机1002包括本申请附图4中的发射器454(包括天线452)，发射处理器468，多天线发射处理器457和控制器/处理器459。
作为一个实施例，所述第一发射机1002包括本申请附图4中的发射器454(包括天线452)，发射处理器468，多天线发射处理器457或控制器/处理器459中的至少之一。
作为一个实施例，所述第一发射机1002包括本申请附图4中的控制器/处理器459。
实施例11
实施例11示例了根据本申请的一个实施例的第二节点中的处理装置的结构框图，如附图11所示。在附图11中，第二节点处理装置1100包括第二接收机1101和第二发射机1102；所述第二节点1100是一个基站。
在实施例11中，第二发射机1102，发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；第二接收机1101，作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
作为一个实施例，所述第一消息属于SDT过程或者第一随机接入过程二者之一；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
作为一个实施例，所述第一消息属于SDT过程或者第一随机接入过程二者之一；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；伴随所述第一消息被发送，所述第一无线承载集合中的所有无线承载被恢复。
作为一个实施例，所述第一消息属于SDT过程或者第一随机接入过程二者之一；其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；作为所述第一寻呼消息被接收的响应，所述第一无线承载集合中的所有无线承载被恢复。
作为一个实施例，所述第二发射机1102，作为接收所述第一消息的响应，发送第二消息，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；其中，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一条件集合中的任一条件不被满足。
作为一个实施例，所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立。
作为一个实施例，所述第二发射机1102，在发送所述第一寻呼消息之前发送第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；其中，所述第三消息指示所述第一无线承载集合。
作为一个实施例，所述第二接收机1101包括本申请附图4中的接收器418(包括天线420)，接收处理器470，多天线接收处理器472和控制器/处理器475。
作为一个实施例，所述第二接收机1101包括本申请附图4中的接收器418(包括天线420)，接收处理器470，多天线接收处理器472或控制器/处理器475中的至少之一。
作为一个实施例，所述第二发射机1102包括本申请附图4中的发射器418(包括天线420)，发射处理器416，多天线发射处理器471和控制器/处理器475。
作为一个实施例，所述第二发射机1102包括本申请附图4中的发射器418(包括天线420)，发射处理器416，多天线发射处理器471或控制器/处理器475中的至少之一。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可以通过程序来指令相关硬件完成，所述程序可以存储于计算机可读存储介质中，如只读存储器，硬盘或者光盘等。可选的，上述实施例的全部或部分步骤也可以使用一个或者多个集成电路来实现。相应的，上述实施例中的各模块单元，可以采用硬件形式实现，也可以由软件功能模块的形式实现，本申请不限于任何特定形式的软件和硬件的结合。本申请中的第一类通信节点或者UE或者终端包括但不限于手机，平板电脑，笔记本，上网卡，低功耗设备，eMTC(enhanced Machine Type Communication，增强机器类通信)设备，NB-IoT设备，车载通信设备，飞行器，飞机，无人机，遥控飞机等无线通信设备。本申请中的第二类通信节点或者基站或者网络侧设备包括但不限于宏蜂窝基站，微蜂窝基站，家庭基站，中继基站， eNB，gNB，传输接收节点TRP(Transmission and Reception Point，发射和接收点)，中继卫星，卫星基站，空中基站等无线通信设备。
以上所述，仅为本申请的较佳实施例而已，并非用于限定本申请的保护范围。凡在本申请的精神和原则之内，所做的任何修改，等同替换，改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种被用于无线通信的第一节点，其特征在于，包括：
    第一接收机，接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；
    第一发射机，根据第一条件集合是否被满足确定第一子消息；作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子消息；
    其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
  2. 根据权利要求1所述的第一节点，其特征在于，所述第一消息属于SDT过程或者第一随机接入过程二者之一；
    其中，所述第一条件集合中的所有条件都被满足；所述第一随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程。
  3. 根据权利要求2所述的第一节点，其特征在于，包括：
    所述第一发射机，伴随发送所述第一消息，恢复所述第一无线承载集合中的所有无线承载。
  4. 根据权利要求2所述的第一节点，其特征在于，包括：
    所述第一发射机，作为接收所述第一寻呼消息的响应，恢复所述第一无线承载集合中的所有无线承载。
  5. 根据权利要求1所述的第一节点，其特征在于，包括：
    所述第一接收机，接收第二消息，所述第二消息为对所述第一消息的响应，所述第二消息被用于恢复至少所述第一无线承载集合中的所有无线承载；
    其中，所述第一消息属于第二随机接入过程，所述第二随机接入过程包括的PRACH所占用的空口资源被预留给非SDT触发的随机接入过程；所述第一条件集合中的任一条件不被满足。
  6. 根据权利要求1至5中任一权利要求所述的第一节点，其特征在于，所述第一无线承载集合之外的无线承载未被配置在所述RRC非活跃状态执行数据传输，或者，所述第一无线承载集合之外的无线承载尚未被建立。
  7. 根据权利要求1至6中任一权利要求所述的第一节点，其特征在于，包括：
    所述第一接收机，在接收所述第一寻呼消息之前接收第三消息，所述第三消息被用于指示进入或维持所述RRC非活跃状态；
    其中，所述第三消息指示所述第一无线承载集合。
  8. 一种被用于无线通信的第二节点，其特征在于，包括：
    第二发射机，发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；
    第二接收机，作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；
    其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
  9. 一种被用于无线通信的第一节点中的方法，其特征在于，包括：
    接收第一寻呼消息，所述第一寻呼消息指示所述第一节点；
    根据第一条件集合是否被满足确定第一子消息；
    作为接收所述第一寻呼消息的响应，发送第一消息，所述第一消息包括所述第一子 消息；
    其中，所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述行为根据第一条件集合是否被满足确定第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
  10. 一种被用于无线通信的第二节点中的方法，其特征在于，包括：
    发送第一寻呼消息，所述第一寻呼消息指示所述第一节点；
    作为发送所述第一寻呼消息的响应，接收第一消息，所述第一消息包括第一子消息；
    其中，第一条件集合是否被满足被用于确定所述第一子消息；所述第一寻呼消息指示第一无线承载集合在RRC非活跃状态执行数据传输；所述第一条件集合是否被满足被用于确定所述第一子消息包括：当所述第一条件集合中的所有条件都被满足时，所述第一子消息属于第一候选消息集合；当所述第一条件集合中的任一条件不被满足时，所述第一子消息属于第二候选消息集合；所述第一条件集合至少包括没有属于所述第一无线承载集合之外的无线承载的待处理(pending)上行数据。
PCT/CN2023/092723 2022-05-13 2023-05-08 一种被用于无线通信的方法和装置 Ceased WO2023217076A1 (zh)

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