WO2024093897A1 - Procédé de communication et appareil - Google Patents

Procédé de communication et appareil Download PDF

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Publication number
WO2024093897A1
WO2024093897A1 PCT/CN2023/127673 CN2023127673W WO2024093897A1 WO 2024093897 A1 WO2024093897 A1 WO 2024093897A1 CN 2023127673 W CN2023127673 W CN 2023127673W WO 2024093897 A1 WO2024093897 A1 WO 2024093897A1
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WO
WIPO (PCT)
Prior art keywords
reconfiguration
message
node
indication information
information
Prior art date
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PCT/CN2023/127673
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English (en)
Chinese (zh)
Inventor
张不方
Original Assignee
大唐移动通信设备有限公司
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Publication date
Application filed by 大唐移动通信设备有限公司 filed Critical 大唐移动通信设备有限公司
Publication of WO2024093897A1 publication Critical patent/WO2024093897A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a communication method and device.
  • the secondary base station can send a radio resource control (RRC) reconfiguration message with synchronization reconfiguration to the terminal.
  • RRC radio resource control
  • the network side cannot determine whether the relevant configuration needs to be deleted. Information asymmetry between the network side and the UE side may occur, resulting in reconfiguration failure and triggering reconstruction.
  • the embodiments of the present disclosure provide a communication method and device to solve the problem in the prior art that information asymmetry between the network side and the UE side may occur, resulting in reconfiguration failure.
  • an embodiment of the present disclosure provides a communication method, which is applied to a master node, and the method includes:
  • conditional reconfiguration configuration information is processed.
  • the indication information includes one or more of the following:
  • Indication information of CPC in the secondary node is configured.
  • the processing includes one or more of the following:
  • the reconfiguration message sent by the secondary node to the terminal includes a synchronization configuration and at least CPA or CPC is configured, it is processed as deletion;
  • the reconfiguration message sent by the secondary node to the terminal includes the synchronization configuration and only CHO is configured, or when the reconfiguration message sent by the secondary node to the terminal does not include the synchronization configuration, it is processed as deletion, retention, or update.
  • receiving the indication information includes one or more of the following:
  • a second interface message is received, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the indication information when the indication information is sent by the terminal, the indication information is included in an uplink radio resource control RRC message.
  • the uplink RRC message is any one of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the method further includes: initiating a conditional reconfiguration update process for a target primary node and a target secondary node in a case where it is determined to update the conditional reconfiguration configuration information.
  • an embodiment of the present disclosure further provides a communication method, which is applied to a secondary node, and the method includes:
  • sending indication information to the master node includes at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • sending indication information to the master node includes at least one of the following:
  • a second interface message is sent to the master node, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • an embodiment of the present disclosure further provides a communication method, applied to a terminal, the method comprising:
  • an indication message is sent to the master node.
  • an embodiment of the present disclosure provides a master node, including: a memory, a transceiver, and a processor:
  • transceiver for transmitting and receiving data under the control of the processor
  • a processor that reads a computer program from memory and performs the following operations:
  • conditional reconfiguration configuration information is processed.
  • the indication information includes one or more of the following:
  • Indication information of CPC in the secondary node is configured.
  • the processing includes one or more of the following:
  • the master node processes the reconfiguration message sent by the secondary node to the terminal as deletion when the reconfiguration message includes synchronization configuration and at least CPA or CPC is configured;
  • the reconfiguration message sent by the secondary node to the terminal includes the synchronization configuration and only the CHO is configured. In the case where, or in the case where the reconfiguration message sent by the secondary node to the terminal does not include the synchronization configuration, it is processed as deletion, retention, or update.
  • the processor when the indication information is sent by the secondary node, the processor is specifically configured to perform at least one of the following:
  • a second interface message is received, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the indication information when the indication information is sent by the terminal, the indication information is included in an uplink radio resource control RRC message.
  • the uplink RRC message is any one of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the processor is further configured to:
  • conditional reconfiguration update process is initiated for the target primary node and the target secondary node.
  • an embodiment of the present disclosure provides a secondary node, including: a memory, a transceiver, and a processor:
  • transceiver for transmitting and receiving data under the control of the processor
  • a processor that reads a computer program from memory and performs the following operations:
  • the processor is specifically configured to perform at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • the processor is specifically configured to perform at least one of the following:
  • a second interface message is sent to the master node, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • an embodiment of the present disclosure provides a terminal, including: a memory, a transceiver, and a processor:
  • transceiver for transmitting and receiving data under the control of the processor
  • a processor that reads a computer program from memory and performs the following operations:
  • an indication message is sent to the master node.
  • an embodiment of the present disclosure provides a communication device, applied to a master node, the device comprising:
  • a receiving module used for receiving instruction information
  • the processing module is used to process the conditional reconfiguration configuration information based on the indication information.
  • the indication information includes one or more of the following:
  • Indication information of CPC in the secondary node is configured.
  • the processing includes one or more of the following:
  • the process is deleted;
  • the reconfiguration message sent by the secondary node to the terminal includes the synchronization configuration and only CHO is configured, or when the reconfiguration message sent by the secondary node to the terminal does not include the synchronization configuration, it is processed as deletion, retention, or update.
  • the receiving module when the indication information is sent by the secondary node, is specifically configured to:
  • a second interface message is received, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the indication information when the indication information is sent by a terminal, the indication information is included in an uplink radio resource control RRC message.
  • the uplink RRC message is any one of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the processing module is further configured to:
  • conditional reconfiguration update process is initiated for the target primary node and the target secondary node.
  • an embodiment of the present disclosure provides a communication device, applied to a secondary node, the device including:
  • the sending module is used to send a reconfiguration message to the terminal and send an indication message to the master node.
  • the sending module is used to perform at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • the sending module is used to perform at least one of the following:
  • a second interface message is sent to the master node, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • an embodiment of the present disclosure provides a communication device, applied to a terminal, the device comprising:
  • a receiving module used for receiving a reconfiguration message sent by the secondary node
  • the sending module is used to send indication information to the master node when receiving the reconfiguration message.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, which stores a computer program, and the computer program is used to enable the processor to execute the communication method in any one of the first aspect, any one of the second aspect, or any one of the third aspect.
  • the communication method and device provided by the embodiments of the present disclosure receive indication information and process conditional reconfiguration configuration information based on the indication information, so that the information on the network side and the terminal side is symmetrical, thereby ensuring successful reconfiguration and avoiding triggering reconstruction.
  • FIG1 is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG2 is a second flow chart of the communication method provided in an embodiment of the present disclosure.
  • FIG3 is a third flow chart of the communication method provided in the embodiment of the present disclosure.
  • FIG4 is one of the interactive flow diagrams of the communication method provided in the embodiment of the present disclosure.
  • FIG5 is a second schematic diagram of an interaction flow of a communication method provided in an embodiment of the present disclosure.
  • FIG6 is a third interactive flow diagram of the communication method provided in an embodiment of the present disclosure.
  • FIG7 is a fourth interactive flow diagram of the communication method provided in an embodiment of the present disclosure.
  • FIG8 is a schematic diagram of the structure of a master node provided in an embodiment of the present disclosure.
  • FIG9 is a schematic diagram of the structure of a secondary node provided in an embodiment of the present disclosure.
  • FIG10 is a schematic diagram of the structure of a terminal provided in an embodiment of the present disclosure.
  • FIG11 is a schematic diagram of a structure of a communication device according to an embodiment of the present disclosure.
  • FIG12 is a second schematic diagram of the structure of the communication device provided in an embodiment of the present disclosure.
  • FIG. 13 is a third schematic diagram of the structure of the communication device provided in an embodiment of the present disclosure.
  • the term "and/or” describes the association relationship of associated objects, indicating that three relationships may exist.
  • a and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" generally indicates that the associated objects before and after are in an "or” relationship.
  • the term "at least one” or “at least one” refers to one or more than one, and other quantifiers are similar.
  • the technical solution provided by the embodiments of the present disclosure can be applicable to a variety of systems, especially 5G systems.
  • the applicable systems can be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new radio (NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • LTE-A long term evolution advanced
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for
  • the terminal involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the name of the terminal may also be different.
  • the terminal in a 5G system, the terminal may be called a user equipment (UE).
  • UE user equipment
  • a wireless terminal can communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal may be a mobile terminal, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal.
  • it may be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and/or data with a radio access network.
  • a Personal Communication Service (PCS) phone For example, a Personal Communication Service (PCS) phone, a cordless phone, a Session Initiated Protocol (SIP) phone, a Wireless Local Loop (WLAN) phone, a cellular telephone, a wireless local loop (LAN), or a wireless network. Loop, WLL) station, personal digital assistant (Personal Digital Assistant, PDA) and other equipment.
  • a wireless terminal may also be called a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal, an access terminal, a user terminal, a user agent, a user device, which is not limited in the embodiments of the present disclosure.
  • the nodes (such as the main node and the auxiliary node) involved in the embodiments of the present disclosure are network devices.
  • the node may be a base station, which may include multiple cells that provide services to the terminal.
  • the base station may also be called an access point, or it may be a device in the access network that communicates with the wireless terminal through one or more sectors on the air interface, or other names.
  • the network device can be used to interchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal and the rest of the access network, where the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device can also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolved network device (evolutional Node B, eNB or e-NodeB) in the long term evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., but is not limited in the embodiments of the present disclosure.
  • network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized unit and the distributed unit may also be geographically separated.
  • Network devices and terminals can each use one or more antennas for multiple input multiple output (MIMO) transmission.
  • MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
  • MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or diversity transmission, precoded transmission, or beamforming transmission, etc.
  • the secondary base station sends a reconfiguration message to the terminal, and the terminal completes downlink synchronization based on the reconfiguration message and triggers random access to access the target primary cell (PCell) or the target primary secondary cell (PSCell).
  • PCell target primary cell
  • PSCell target primary secondary cell
  • the information on the network side and the UE side is asymmetric, and the network side cannot determine which type of reconfiguration is performed (synchronous reconfiguration or asynchronous reconfiguration), nor can it determine whether the relevant configuration (conditional reconfiguration configuration information) needs to be deleted. Therefore, information asymmetry between the network side and the UE side may occur, resulting in reconfiguration failure and triggering reconstruction.
  • the embodiments of the present disclosure provide a communication method and device to solve the problem that information asymmetry between the network side and the UE side may cause reconfiguration failure.
  • the method and the device are based on the same application concept. Since the principles of solving the problem by the method and the device are similar, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.
  • FIG1 is a flow chart of a communication method provided by an embodiment of the present disclosure. As shown in FIG1 , the method includes:
  • Step 101 Receive instruction information.
  • the communication method provided in this embodiment may be executed by a master node or a communication device disposed on the master node.
  • the master node can be a base station (Master eNodeB, MeNB) in Long Term Evolution (LTE) or a base station (Master gNodeB, MgNB) in 5G New Radio (NR).
  • Master eNodeB, MeNB Long Term Evolution
  • MgNB 5G New Radio
  • the communication device may be implemented by a combination of software and/or hardware.
  • the indication information is used to instruct the master node to process the conditional reconfiguration configuration information.
  • Step 102 Process the conditional reconfiguration configuration information based on the indication information.
  • the master node may determine what processing to perform on the conditional reconfiguration configuration information according to the indication information, and after determining what processing to perform on the conditional reconfiguration configuration information, perform the processing on the conditional reconfiguration configuration information.
  • the master node can process the conditional reconfiguration configuration information based on the indication information, so as to make the information on the network side and the terminal side symmetric, ensure the success of the reconfiguration, and avoid triggering reconstruction.
  • the instruction information includes one or more of the following:
  • SCG Secondary Cell Group
  • CPC conditional PSCell change
  • the indication information of intra-SN CPC is configured.
  • conditional PSCell change may include intra-SN conditional PSCell change, intra-SN CPC and inter-SN conditional PSCell change, inter-SN CPC.
  • the master node can directly delete the conditional reconfiguration configuration information based on the indication information, thereby making the information on the network side and the terminal side symmetrical, ensuring successful reconfiguration, and avoiding triggering reconstruction.
  • the terminal deletes all conditional reconfiguration configuration information stored therein.
  • the reconfiguration is an asynchronous reconfiguration
  • the master node should be able to retain or update the conditional reconfiguration configuration information.
  • the indication information may also include information indicating to retain the conditional reconfiguration configuration information. Further, the master node retains the conditional reconfiguration configuration information when receiving the indication information.
  • the indication information may also include information indicating updating the conditional reconfiguration configuration information. Further, upon receiving the indication information, the master node updates the conditional reconfiguration configuration information.
  • conditional reconfiguration configuration information includes one or more of the following:
  • the master node may delete, retain, or update one or more of the conditional reconfiguration configuration information, thereby improving the flexibility and diversity of the master node in processing the conditional reconfiguration configuration information.
  • the reconfiguration message sent by the secondary node to the terminal includes synchronization configuration and at least CPA or CPC is configured, it is processed as deletion;
  • the reconfiguration message sent by the secondary node to the terminal includes the synchronization configuration and only the conditional handover CHO is configured, or when the reconfiguration message sent by the secondary node to the terminal does not include the synchronization configuration, it is processed as deletion, retention, or update.
  • conditional reconfiguration configuration information includes one or more of the following:
  • the indication information is sent by at least one of the following devices:
  • both the secondary node and the terminal can send indication information to the primary node, thereby improving the success rate and flexibility of the primary node in receiving the indication information.
  • receiving the indication information includes one or more of the following:
  • a second interface message is received, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the first interface message may be an Xn interface message, where the Xn interface is an interface between base stations.
  • the indication information is included in an uplink radio resource control (Radio Resource Control, RRC) message.
  • RRC Radio Resource Control
  • the uplink RRC message is any of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the master node initiates a conditional reconfiguration update process for the target master node (T-MN) and the target secondary node (T-SN).
  • FIG2 is a second flow chart of a communication method provided by an embodiment of the present disclosure. As shown in FIG2 , the method includes:
  • Step 201 Send a reconfiguration message to a terminal, and send an indication message to a master node.
  • the communication method provided in this embodiment may be executed by a secondary node or a communication device disposed on the secondary node.
  • the secondary node can be a base station (Secondary eNodeB, SeNB) in LTE or a base station (Secondary gNodeB, SgNB) in 5G NR.
  • a base station Secondary eNodeB, SeNB
  • a base station Secondary gNodeB, SgNB
  • the communication device may be implemented by a combination of software and/or hardware.
  • the reconfiguration message is used by the terminal to perform downlink synchronization.
  • the secondary node sends indication information to the primary node, so that the primary node processes the conditional reconfiguration configuration information based on the indication information.
  • the auxiliary node can send indication information to the main node, so that the main node processes the conditional reconfiguration configuration information based on the indication information, thereby making the information on the network side and the terminal side symmetrical, ensuring the success of the reconfiguration and avoiding triggering reconstruction.
  • the instruction information sent to the master node includes at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • Send an instruction message to the master node including at least one of the following:
  • a second interface message is sent to the master node, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the instruction information includes one or more of the following:
  • the CPC information in the secondary node is configured.
  • FIG3 is a third schematic diagram of the process of the communication method provided by the embodiment of the present disclosure. As shown in FIG3, the method includes:
  • Step 301 Receive a reconfiguration message sent by a secondary node.
  • the communication method provided in this embodiment is executed by a terminal or a communication device arranged on the terminal, and the communication device can be implemented by a combination of software and/or hardware.
  • Step 302 When receiving the reconfiguration message, send indication information to the master node.
  • the indication information is used by the master node to process the conditional reconfiguration configuration information.
  • the terminal after receiving the reconfiguration message, performs the corresponding switching, or the primary and secondary cell change process, or the primary and secondary cell addition process, that is, completes the downlink synchronization and triggers the random access process to access the target primary cell or the target primary and secondary cell. After that, the terminal deletes the conditional reconfiguration configuration information.
  • the terminal can send an indication message to the master node, and instruct the master node to delete the conditional reconfiguration configuration information through the indication message.
  • the terminal when it receives the reconfiguration message, it sends an indication information to the master node, so that the master node can process the conditional reconfiguration configuration information based on the indication information, thereby making the information on the network side and the terminal side symmetrical, ensuring the success of the reconfiguration and avoiding triggering reconstruction.
  • the instruction information sent to the master node includes at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • the indication information is included in an uplink radio resource control RRC message.
  • the uplink RRC message is any of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the instruction information includes one or more of the following:
  • the CPC information in the secondary node is configured.
  • the auxiliary node When the auxiliary node knows that the network side has configured CPA, CPC, CHO, or SCG's CHO for the terminal, the information transmission process between the terminal, the auxiliary node and the main node can be described in conjunction with the embodiments of Figures 4 to 7.
  • FIG4 is one of the interactive flow diagrams of the communication method provided in the embodiment of the present disclosure. As shown in FIG4 , the method includes:
  • Step 401 The secondary node sends SRB1 to the primary node.
  • the SRB1 includes a reconfiguration message, and the reconfiguration message carries a synchronization configuration.
  • Synchronous configuration may include: intra-SN change, key value update, etc.
  • Step 402 The master node sends SRB1 to the terminal.
  • the secondary node may also directly send SRB3 to the terminal, where the SRB3 includes a reconfiguration message, and the reconfiguration message carries the synchronization configuration.
  • Step 403 The terminal performs reconfiguration based on the reconfiguration message in SRB1.
  • the terminal reconfigures based on the reconfiguration message in SRB3
  • Step 404 The terminal sends a reconfiguration success message to the secondary node.
  • the terminal may directly send a reconfiguration success message to the secondary node, or send a reconfiguration success message to the secondary node through the primary node.
  • Step 405 The secondary node sends a first interface message to the primary node, where the first interface message directly carries the indication information.
  • the secondary node may also send a second interface message to the primary node, the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the first interface message is different from the second interface message.
  • the instruction information includes one or more of the following:
  • Step 406 The master node deletes the conditional reconfiguration configuration information based on the indication information.
  • FIG5 is a second interactive flow diagram of a communication method provided in an embodiment of the present disclosure. As shown in FIG5 , the method includes:
  • Step 501 The secondary node sends SRB1 to the primary node.
  • the SRB1 includes a reconfiguration message, and the reconfiguration message carries a synchronization configuration.
  • Step 502 The master node sends SRB1 to the terminal.
  • the secondary node may also directly send SRB3 to the terminal, where the SRB3 includes a reconfiguration message, and the reconfiguration message carries the synchronization configuration.
  • Step 503 The terminal performs reconfiguration based on the reconfiguration message in SRB1.
  • Step 504 The terminal sends a reconfiguration success message to the secondary node.
  • step 501 to step 504 is the same as the execution method of step 401 to step 404, and will not be repeated here.
  • Step 505 The terminal sends a MN RRC reconfiguration completion message to the master node.
  • the MN RRC reconfiguration completion message includes indication information and a SN RRC reconfiguration completion message.
  • the terminal may send an uplink auxiliary data message through the primary node, the uplink auxiliary data message includes an uplink RRC message, and the uplink RRC message includes indication information.
  • the instruction information in step 505 is the same as the instruction information in step 405 and will not be described again here.
  • Step 506 The master node deletes the conditional reconfiguration configuration information based on the indication information.
  • FIG6 is a third interactive flow diagram of a communication method provided in an embodiment of the present disclosure. As shown in FIG6 , the method includes:
  • Step 601 The secondary node sends SRB1 to the primary node.
  • the SRB1 includes a reconfiguration message, and the reconfiguration message does not carry a synchronization configuration.
  • the reconfiguration message may also include measurement configuration information update information.
  • Step 602 The master node sends SRB1 to the terminal.
  • the master node may directly send SRB3 to the terminal, where the SRB3 includes a reconfiguration message, and the reconfiguration message does not carry the synchronization configuration.
  • Step 603 The terminal performs reconfiguration based on the reconfiguration message in SRB1.
  • the terminal may also be reconfigured based on the reconfiguration message in SRB3.
  • Step 604 The terminal sends a reconfiguration success message to the secondary node.
  • Step 605 The secondary node sends first interface information to the primary node, where the first interface information carries indication information.
  • the secondary node may send the first interface information to the primary node.
  • the secondary node may also send second interface information to the primary node, the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the instruction information includes one or more of the following:
  • Step 606 The master node updates and/or retains the conditional reconfiguration configuration information based on the indication information.
  • the master node may determine whether to update or retain the conditional reconfiguration configuration information based on the indication information. If it is determined that the conditional reconfiguration configuration information is to be updated, the conditional reconfiguration configuration information is updated. If you decide to keep the conditional reconfiguration configuration information, no operation is required.
  • conditional reconfiguration configuration information is updated, including: initiating a conditional reconfiguration update process for the target primary node and the target secondary node.
  • FIG7 is a fourth interactive flow diagram of the communication method provided in an embodiment of the present disclosure. As shown in FIG7 , the method includes:
  • Step 701 The secondary node sends SRB1 to the primary node.
  • the SRB1 includes a reconfiguration message, and the reconfiguration message does not carry a synchronization configuration.
  • Step 702 The master node sends SRB1 to the terminal.
  • Step 703 The terminal performs reconfiguration based on the reconfiguration message in SRB1.
  • Step 704 The terminal sends a reconfiguration success message to the secondary node.
  • step 701 to step 704 is the same as the execution method of step 601 to step 604, and will not be repeated here.
  • Step 705 The terminal sends an uplink auxiliary data message to the master node, where the uplink auxiliary data message includes indication information.
  • the terminal when the terminal is reconfigured based on the reconfiguration message in SRB1, the terminal may also send an uplink auxiliary data message to the master node.
  • the terminal when the terminal is reconfigured based on the reconfiguration message in SRB1 or SRB3, the terminal can send an MN RRC reconfiguration completion message to the master node, and the MN RRC reconfiguration completion message includes an SN RRC reconfiguration completion message and indication information.
  • the indication information in step 705 may be the same as the indication information in step 605 and will not be described in detail here.
  • Step 706 The master node updates and/or retains the conditional reconfiguration configuration information based on the indication information.
  • the master node can determine whether to update or retain the conditional reconfiguration configuration information based on the indication information. If it is determined to update the conditional reconfiguration configuration information, the conditional reconfiguration configuration information is updated; if it is determined to retain the conditional reconfiguration configuration information, no operation needs to be performed.
  • conditional reconfiguration configuration information is updated, including: initiating a and the conditional reconfiguration update process of the target slave node.
  • FIG8 is a schematic diagram of the structure of a master node provided by an embodiment of the present disclosure.
  • the master node includes: a memory 1020 , a transceiver 1000 , and a processor 1010 .
  • the memory 1020 is used to store computer programs.
  • the transceiver 1000 is used to receive and send data under the control of the processor 1010. Specifically, the transceiver 1000 is used to receive and send data under the control of the processor 1010.
  • the processor 1010 is configured to read the computer program in the memory 1020 and perform the following operations:
  • conditional reconfiguration configuration information is processed.
  • the bus architecture can include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1010 and various circuits of memory represented by memory 1020 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits together, which are all well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 1000 can be a plurality of components, that is, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
  • the processor 1010 is responsible for managing the bus architecture and general processing, and the memory 1020 can store data used by the processor 1010 when performing operations.
  • Processor 1010 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor can also adopt a multi-core architecture.
  • the indication information includes one or more of the following:
  • Indication information of CPC in the secondary node is configured.
  • the processing includes one or more of the following:
  • the master node processes the reconfiguration message sent by the secondary node to the terminal as deletion when the reconfiguration message includes synchronization configuration and at least CPA or CPC is configured;
  • the reconfiguration message sent by the secondary node to the terminal includes the synchronization configuration and only CHO is configured, or when the reconfiguration message sent by the secondary node to the terminal does not include the synchronization configuration, it is processed as deletion, retention, or update.
  • the processor when the indication information is sent by the secondary node, the processor is specifically configured to perform at least one of the following:
  • a second interface message is received, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the indication information when the indication information is sent by the terminal, the indication information is included in an uplink radio resource control RRC message.
  • the uplink RRC message is any one of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the processor is further configured to:
  • conditional reconfiguration update process is initiated for the target primary node and the target secondary node.
  • the above-mentioned master node provided in the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in which the above-mentioned execution subject is the master node, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as those of the method embodiment will not be described in detail here.
  • FIG9 is a schematic diagram of the structure of a secondary node provided by an embodiment of the present disclosure.
  • the primary node includes: a memory 2020 , a transceiver 2000 , and a processor 2010 .
  • the memory 2020 is used to store computer programs.
  • the transceiver 2000 is used to send and receive data under the control of the processor 2010. Specifically, the transceiver 2000 is used to receive and send data under the control of the processor 2010.
  • the processor 2010 is configured to read the computer program in the memory 2020 and perform the following operations: sending a reconfiguration message to the terminal, and sending indication information to the master node.
  • the bus architecture can include any number of interconnected buses and bridges, specifically one or more processors represented by processor 2010 and various circuits of memory represented by memory 2020 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, regulators, and power management circuits together, which are all well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 2000 can be a plurality of components, that is, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
  • the processor 2010 is responsible for managing the bus architecture and general processing, and the memory 2020 can store data used by the processor 2010 when performing operations.
  • Processor 2010 may be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • the processor may also adopt a multi-core architecture.
  • the processor is specifically configured to perform at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • the processor is specifically configured to perform at least one of the following:
  • a second interface message is sent to the master node, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • auxiliary node provided in the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in which the above-mentioned execution subject is the auxiliary node, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • FIG10 is a schematic diagram of the structure of a terminal provided by an embodiment of the present disclosure. As shown in FIG10 , the terminal includes: a memory 3020 , a transceiver 3000 , and a processor 3010 .
  • the memory 3020 is used to store computer programs.
  • the transceiver 3000 is used to send and receive data under the control of the processor 3010.
  • the processor 3010 is configured to read the computer program in the memory 3020 and perform the following operations:
  • an indication message is sent to the master node.
  • the transceiver 3000 is used to receive and send data under the control of the processor 3010.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 3010 and various circuits of memory represented by memory 3020 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, regulators, and power management circuits together, which are all well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 3000 can be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
  • the user interface 3030 can also be an interface that can be connected to external and internal devices, and the connected devices include but are not limited to keypads, displays, speakers, microphones, joysticks, etc.
  • the processor 3010 is responsible for managing the bus architecture and general processing, and the memory 3020 can store data used by the processor 3010 when performing operations.
  • processor 3010 can be a CPU (central processing unit), ASIC (Application Specific Integrated Circuit), FPGA (Field-Programmable Gate Array) or CPLD (Complex Programmable Logic Device), and the processor can also adopt a multi-core architecture.
  • CPU central processing unit
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • CPLD Complex Programmable Logic Device
  • the processor 3010 is used to execute any method provided by the embodiments of the present disclosure according to the obtained executable instructions by calling the computer program stored in the memory 3020.
  • the processor 3010 and the memory 3020 can also be arranged physically separately.
  • FIG11 is a schematic diagram of a structure of a communication device provided in an embodiment of the present disclosure.
  • the communication device 40 is applied to a master node. As shown in FIG11 , the communication device 40 includes:
  • Receiving module 4010 used for receiving instruction information
  • the processing module 4020 is used to process the conditional reconfiguration configuration information based on the indication information.
  • the indication information includes the following: or more:
  • Indication information of CPC in the secondary node is configured.
  • the processing includes one or more of the following:
  • the process is deleted;
  • the reconfiguration message sent by the secondary node to the terminal includes the synchronization configuration and only CHO is configured, or when the reconfiguration message sent by the secondary node to the terminal does not include the synchronization configuration, it is processed as deletion, retention, or update.
  • the receiving module 4010 when the indication information is sent by the secondary node, the receiving module 4010 is specifically configured to:
  • a second interface message is received, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the indication information is included in the uplink radio resource control RRC message.
  • the uplink RRC message is any one of the following messages:
  • the master node MN RRC reconfiguration completion message includes the slave node SN RRC reconfiguration completion message.
  • the processing module 4020 is further configured to:
  • conditional reconfiguration update process is initiated for the target primary node and the target secondary node.
  • the communication device 40 provided in the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in which the above-mentioned execution subject is the main node, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • FIG12 is a second schematic diagram of the structure of a communication device provided in an embodiment of the present disclosure.
  • the communication device 50 is applied to a secondary node. As shown in FIG12 , the communication device 50 includes:
  • the sending module 5010 is used to send a reconfiguration message to the terminal and send indication information to the master node.
  • the sending module 5010 is configured to perform at least one of the following:
  • the reconfiguration message is at least one of the following messages:
  • the reconfiguration message does not carry synchronous reconfiguration.
  • the reconfiguration message is included in at least one of the following:
  • the first signaling resource sent by the master node is carried in SRB1;
  • the third signaling resource sent by the secondary node is carried in SRB3.
  • the sending module 5010 is configured to perform at least one of the following:
  • a second interface message is sent to the master node, where the second interface message carries an inter-node RRC message, and the inter-node RRC message includes indication information.
  • the communication device 50 provided in the embodiment of the present disclosure can implement all the method steps implemented by the method embodiment in which the above-mentioned execution subject is the auxiliary node, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • FIG13 is a third schematic diagram of the structure of a communication device provided in an embodiment of the present disclosure.
  • the communication device 60 is applied to a terminal. As shown in FIG13 , the communication device 60 includes:
  • the receiving module 6010 is used to receive a reconfiguration message sent by the secondary node
  • the sending module 6020 is used to send indication information to the master node when receiving the reconfiguration message.
  • the communication device 60 provided in the embodiment of the present invention can implement all the method steps implemented by the method embodiment in which the execution subject is the terminal, and can achieve the same technical effect.
  • the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium.
  • the medium includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods of the various embodiments of the present disclosure.
  • the aforementioned storage medium includes: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes.
  • the embodiments of the present disclosure further provide a processor-readable storage medium, the processor-readable storage medium storing a computer program, and the computer program is used to enable the processor to execute the communication methods provided by the above embodiments.
  • the communication method includes: receiving indication information; based on the indication information, processing the conditional reconfiguration configuration information.
  • the communication method also includes: sending a reconfiguration message to the terminal and sending the indication information to the master node.
  • the communication method also includes: receiving a reconfiguration message sent by the secondary node; when the reconfiguration message is received, sending the indication information to the master node.
  • the processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.
  • magnetic storage such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.
  • optical storage such as CD, DVD, BD, HVD, etc.
  • semiconductor storage such as ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)
  • the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.
  • a computer-usable storage media including but not limited to disk storage and optical storage, etc.
  • These computer-executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the process specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • Functional device can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the process specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • Functional device can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions
  • processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
  • processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more flows in the flowchart and/or one or more blocks in the block diagram.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Logic Circuits (AREA)

Abstract

Les modes de réalisation de la présente divulgation se rapportent au domaine technique des communications. La divulgation concerne un procédé de communication et un appareil. Le procédé consiste en : la réception d'informations d'instruction, et, sur la base des informations d'instruction, le traitement d'informations de configuration de reconfiguration conditionnelle.
PCT/CN2023/127673 2022-11-03 2023-10-30 Procédé de communication et appareil WO2024093897A1 (fr)

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