WO2022227841A1 - 一种优化移动性能的方法及通信装置 - Google Patents

一种优化移动性能的方法及通信装置 Download PDF

Info

Publication number
WO2022227841A1
WO2022227841A1 PCT/CN2022/078572 CN2022078572W WO2022227841A1 WO 2022227841 A1 WO2022227841 A1 WO 2022227841A1 CN 2022078572 W CN2022078572 W CN 2022078572W WO 2022227841 A1 WO2022227841 A1 WO 2022227841A1
Authority
WO
WIPO (PCT)
Prior art keywords
network device
information
handover
terminal device
cell
Prior art date
Application number
PCT/CN2022/078572
Other languages
English (en)
French (fr)
Inventor
曾宇
耿婷婷
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP22794321.4A priority Critical patent/EP4311308A1/en
Publication of WO2022227841A1 publication Critical patent/WO2022227841A1/zh
Priority to US18/493,942 priority patent/US20240080741A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H04W36/324—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by mobility data, e.g. speed data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • 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
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communication technologies, and in particular, to a method and a communication device for performing mobility parameters in a successful handover scenario.
  • An indicator of the wireless communication system is to ensure that the terminal device can enjoy uninterrupted services during the moving process, and the corresponding scenario is a mobility scenario. Based on this, mobility management is a hot research topic in wireless communication systems.
  • Mobility scenarios include switching scenarios.
  • the terminal can send a radio link failure report (RLC report) to the network side for the network side to obtain the cause of the handover failure and optimize the mobility performance.
  • RLC report radio link failure report
  • the embodiments of the present application provide a technical solution for mobile new energy optimization, so as to realize that the terminal device can optimize the relevant mobile performance when the terminal device detects that there is a potential problem of successful handover.
  • the present application provides a method for optimizing mobile performance, comprising: a second network device receiving first indication information from a terminal device, where the first indication information is used to instruct the terminal device to The first cell of the device switches to the second cell of the second network device to generate the SHR; the first network device receives the second indication information from the second network device, the second indication information is used to instruct the terminal device based on Handover from the first cell to the second cell to generate an SHR; the first network device stores the context information of the terminal device at the first network device according to the second indication information; the first network device stores the context information of the terminal device at the first network device; A network device receives the SHR from a third network device, and the third network device is the network device that the terminal device is connected to when sending the SHR; the first network device The context information at the first network device and the SHR perform mobility performance optimization.
  • the second network device that is, the target network device, sends an instruction to the first network device, that is, the source network device in time when receiving an instruction from the terminal device to generate an SHR for this handover, so that the first network device can tell the terminal device in the first
  • the context information at a network device is stored in time, so that after the SHR is received subsequently, the two can be combined to optimize the mobility performance.
  • the mobility of the communication system is thereby improved.
  • the storage is directly performed on the first network device side, which can effectively reduce unnecessary signaling overhead.
  • the present application provides another method for optimizing mobile performance, including: a first network device sending context information of a terminal device at the first network device to a second network device; the second network device storing the Context information of the terminal device at the first network device; the first network device receives an SHR from the third network device, where the SHR is the handover to the terminal device based on the first cell of the first network device The second cell of the second network device is generated, and the third network device is the network device that the terminal device is connected to when sending the SHR; the first network device sends a request to the second network device information, the request information is used to request the context information of the terminal device at the first network device; feedback information is received from the second network device, the feedback information is used to feedback the terminal device at the the context information at the first network device; the first network device performs mobility performance optimization according to the context information of the terminal device at the first network device and the SHR.
  • the context information of the terminal device at the source network device is stored by the network device 2, and then sent to the source network device for optimization of mobility performance of potential problems of successful handover.
  • the method further includes: receiving, by the first network device, handover success information from the second network device, where the handover success information is used to indicate that the terminal device is successfully handed over to the second network device community.
  • the first network device that is, the source network device
  • the second network device that the terminal device finally accesses, that is, the target network device.
  • the request information includes information of the terminal device.
  • the request information further includes at least one of information of the first network device, information of the second cell, and time information of the handover procedure.
  • the above information can help to quickly locate the context information of the terminal device at the first network device requested by the first network device.
  • the context information of the terminal device at the first network device includes information related to the terminal device mobility configuration information.
  • the mobility configuration information includes at least one of handover threshold information, handover resource information, handover bias information, and hysteresis information; or, the mobility configuration information includes conditional handover configuration information.
  • conditional handover configuration information includes conditional handover candidate cell information and conditional handover trigger condition information.
  • the SHR includes information of the first network device.
  • the third network device that receives the SHR can quickly find the first network device to forward the SHR.
  • the third network device and the second network device are the same network device.
  • the method further includes: the second network device receiving the SHR from the terminal device; and sending the SHR to the first network device.
  • the mobility configuration information includes at least one of resource information used by the terminal device to access the second cell, a maximum number of random access attempts that can be made, and a handover threshold, where
  • the SHR includes the number of random access attempts of the terminal device to access the second cell; optimizing the mobility performance according to the context information of the terminal device at the first network device and the SHR includes: according to the attempt The number of random accesses is determined and adjusted at least one of the following: adjusting the allocated resources for accessing the cell, the maximum number of random accesses that can be attempted, and a handover threshold.
  • the handover threshold information includes a handover threshold for the terminal equipment to access the second cell
  • the SHR includes the obtained information obtained after the terminal equipment accesses the second cell.
  • channel quality information of the second cell optimizing the mobility performance according to the context information of the terminal device at the first network device and the SHR includes: determining to adjust the handover according to the channel quality information of the second cell threshold.
  • the present application provides a communication apparatus, the communication apparatus including a first network device, a second network device, a terminal device, or a first network device, a second network device, a terminal device, or The function of the third network device.
  • These functions can be implemented by hardware or by executing corresponding software by hardware.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the present application provides a communication apparatus, which includes a first network device, a second network device, a terminal device, or a first network device, a second network device, a terminal device, or The function of the third network device.
  • a communication apparatus which includes a first network device, a second network device, a terminal device, or a first network device, a second network device, a terminal device, or The function of the third network device.
  • These functions can be implemented by hardware or by executing corresponding software by hardware.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the present application provides a communication device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program from the memory, so that the communication apparatus implements the first network device, the second network device and the second network in the first aspect and possible implementations of the first aspect.
  • the present application provides a communication device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program from the memory, so that the communication apparatus implements the first network device, the second network device and the second network in the above-mentioned second aspect and possible implementation manners of the second aspect.
  • a computer program product comprising: computer program code, when the computer program code is run on a computer, causing the computer to execute the methods in the above aspects
  • a computer-readable medium stores program codes, which, when executed on a computer, cause the computer to execute the methods in the above-mentioned aspects.
  • FIG. 1 is an application scenario of an embodiment of the present application
  • FIG. 2 is an interactive flowchart of a method for optimizing mobile performance according to an embodiment of the present application
  • FIG. 3 is an interactive flowchart of another method for optimizing mobile performance according to an embodiment of the present application.
  • FIG. 4 is an interactive flowchart of another method for optimizing mobile performance according to an embodiment of the present application.
  • FIG. 5 is an interactive flowchart of another method for optimizing mobile performance according to an embodiment of the present application.
  • FIG. 6 is an interactive flowchart of another mobile performance optimization method according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a communication device according to an embodiment of the application.
  • FIG. 8 is a schematic diagram of another communication device according to an embodiment of the present application.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • And/or which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, it can mean that A exists alone, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects are an “or” relationship.
  • At least one (item) of the following or its similar expression refers to any combination of these items, including any combination of single item (item) or plural item (item).
  • At least one (a) of a, b or c may represent: a, b, c, a and b, a and c, b and c, or a, b and c, where a, b, c Each can be an element itself, or a collection containing one or more elements.
  • transmission can include sending and/or receiving, and can be a noun or a verb.
  • the terminal device is a device with a wireless transceiver function, which may be referred to as a terminal (terminal), user equipment (UE), mobile station (MS), and mobile terminal (MT). ), access terminal equipment, vehicle terminal equipment, industrial control terminal equipment, UE unit, UE station, mobile station, remote station, remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE proxy or UE device, etc.
  • Terminal devices can be stationary or mobile. It should be noted that the terminal device may support at least one wireless communication technology, such as LTE, NR, wideband code division multiple access (WCDMA), and the like.
  • WCDMA wideband code division multiple access
  • the terminal device may be a mobile phone (mobile phone), a tablet computer (pad), a desktop computer, a notebook computer, an all-in-one computer, a vehicle terminal, a virtual reality (virtual reality, VR) terminal device, an augmented reality (augmented reality, AR) terminal Equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, wireless terminals in smart grid, transportation safety Wireless terminals in (transportation safety), wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless Wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, wearable devices, future mobile communications
  • the terminal may also be a device with a transceiving function, such as a chip system.
  • the network device is a device that provides a wireless communication function for terminal devices, and may also be referred to as access network devices, radio access network (radio access network, RAN) devices, and the like.
  • the network equipment includes, but is not limited to: a next-generation base station (generation nodeB, gNB), an evolved node B (evolved node B, eNB), a wireless network control system in a fifth-generation mobile communication system (5th-generation, 5G) radio network controller (RNC), node B (node B, NB), base station controller (BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved node B, Or home node B, HNB), baseband unit (baseband unit, BBU), transmitting and receiving point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, etc.
  • generation nodeB, gNB next-generation base station
  • eNB evolved node B
  • the network device may also be a wireless controller, a centralized unit (CU), and/or a distributed unit (DU) in a cloud radio access network (CRAN) scenario, or the network device may It is a relay station, an access point, a vehicle-mounted device, a terminal device, a wearable device, and a network device in the future mobile communication or a network device in the future evolved PLMN.
  • the network device may also be an apparatus having a wireless communication function for the terminal device, such as a chip system.
  • the system-on-chip may include chips, and may also include other discrete devices.
  • the handover scenarios involved in the embodiments of the present application can be divided into handover of a terminal device from a cell of a source network device to a cell of a target network device in a single-connection scenario, and handover of a terminal device from a source-main network in a multi-connection scenario Handover of the primary serving cell of the device to the primary serving cell of the target primary network device.
  • it can be divided into ordinary switching, conditional handover (CHO) and dual active protocol stack (DAPS) switching.
  • the common handover refers to the process that the terminal device receives the configuration issued by the source network device, completes the reconfiguration at the target network device, accesses the target base station, and disconnects the link from the source network device.
  • Conditional handover refers to that the network device sends CHO configuration information to the terminal device, and the CHO configuration information includes candidate cell information for handover and corresponding conditional handover trigger condition information, and the like.
  • the terminal equipment After receiving the CHO configuration, the terminal equipment does not immediately execute the handover procedure, but waits until there is a candidate cell that satisfies the conditional handover trigger condition in the candidate cells, and then starts to execute the handover procedure to the candidate cell.
  • DAPS handover means that the terminal device still maintains the connection with the source network device after receiving the handover command, and tries to establish a connection with the target network device at the same time.
  • the terminal device and the source network device and the target network device establish connections respectively until the target network device instructs the terminal device to disconnect the link with the source network device.
  • the Xn-based handover is that the source network device and the target network device exchange handover requests
  • the NG-based handover is that the source network device sends a handover request to the authorization management field (AMF), and the AMF sends it to the target network device. Send a switch command.
  • AMF authorization management field
  • FIG. 1 is an application scenario of the embodiment of the present application.
  • the terminal device moves from the coverage of network device 1 to the coverage of network device 2 .
  • the terminal device is handed over from cell 1 of network device 1 to cell 2 of network device 2 .
  • the network device 1 may be referred to as a source network device, and the cell 1 may be referred to as a source cell.
  • the network device 2 may be referred to as a target network device, and the cell 2 may be referred to as a target cell.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • general packet radio service general packet radio service
  • GPRS general packet radio service
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • FDD frequency division duplex
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • the measured signal quality of cell 2 such as reference signal receiving power (RSRP)
  • RSRP reference signal receiving power
  • RA random access
  • the network device 1 can optimize the mobility performance at the network device 1 in combination with the context information of the terminal device stored in the network device 1 in the network device 1 .
  • the context of the terminal device generally refers to the link established between the terminal device and the corresponding network device, and the context information of the terminal device at the network device 1 includes the authentication information of the terminal device, the network capability of the terminal device, and the like.
  • the context information of the terminal device at the network device 1 in the embodiment of the present application further includes mobility configuration information related to the terminal device.
  • the mobility configuration information related to the terminal device will also be exemplified below in conjunction with specific embodiments.
  • the terminal device may not necessarily send the SHR to the currently connected network device, such as the network device 2, in time due to the delay problem.
  • the network device 1 since the terminal device has already been handed off from the cell 1 of the network device 1, the network device 1 is likely to have deleted the terminal device in the network device 1 originally stored in the final network device 1. contextual information. As a result, the network device 1 cannot determine the potential problems mentioned above, so that the corresponding mobility performance optimization cannot be performed.
  • the embodiments of the present application store the context information of the terminal device on the source network device side in time, so that the source network device can locate the potential problem of successful handover in combination with it after obtaining the SHR, and optimize the mobility performance.
  • FIG. 2 is an interactive flowchart of a method for optimizing mobile performance provided by an embodiment of the present application. It can be applied to the scenario of FIG. 1 . This technical solution is applicable to any of the switching procedures mentioned above.
  • the terminal device detects a successful handover potential problem based on the handover from cell 1 of network device 1 to cell 2 of network device 2, and generates an SHR.
  • the terminal device When the terminal device detects a potential problem of successful handover, it can also be expressed as the terminal device detects a potential failure (potential failure).
  • the terminal device generates an SHR based on the handover from cell 1 of network device 1 to cell 2 of network device 2, or the SHR corresponds to the handover procedure of handover from cell 1 of network device 1 to cell 2 of network device 2.
  • the terminal device stores the SHR and waits for subsequent sending to the network device connected to it. Due to the uncertainty of the time of sending the SHR, when the terminal device sends the SHR, the network device connected to it may still be the network device 2, or the terminal device may have performed at least one handover process after this handover process at this time. to cell 3 of network device 3.
  • the embodiments of the present application define that when a terminal device sends an SHR, the network device connected to it, that is, the network device that receives the SHR sent by the terminal device, is network device 3, which may also be referred to as a receiving network device.
  • the network device 2 and the network device 3 are the same network device.
  • the SHR generated by the terminal device may include information of the terminal device, for example, the identification of the terminal device at the source network device or at the target network device, and may also include network device 1, cell 1 of network device 1, network device 2 and network At least one of the identification information of cell 2 of device 2.
  • the terminal device sends the indication information 1 to the network device 2.
  • the indication information 1 is used to instruct the terminal device to generate an SHR based on the handover from the cell 1 of the network device 1 to the cell 2 of the network device 2, that is, to indicate the existence of the SHR, or to instruct the terminal device to switch from the cell of the network device 1 to the cell 2 of the network device 2. 1 When handing over to cell 2 of network device 2, a potential problem with successful handover was detected.
  • the terminal device After the terminal device completes the steps of timing synchronization with cell 2 and radio control resource (radio control resource, RRC) handover, the RRC configuration complete RRCconfigurationComplete sent to network device 2 carries indication information 1.
  • radio control resource radio control resource
  • the terminal device may go through multiple handover procedures during the communication process, and generate a plurality of different SHRs corresponding to at least part of the handover procedures in the multiple handover procedures. They are stored and await subsequent transmissions.
  • this handover process when the terminal device stores an SHR, regardless of whether the SHR is based on this handover process (if not specified below, it refers to handover from cell 1 of network device 1). To the cell 2) of the network device 2, the terminal device will indicate to the network device 2 that it has an SHR to be sent.
  • the indication information 1 includes a first field, which is used to indicate whether the SHR to be sent by the terminal device to the network device 3 exists in the SHR generated in this handover procedure.
  • the indication information 1 includes a second field, which is used to indicate the time information of the handover procedure corresponding to the SHR stored by the terminal device. Based on this, the network device 2 can confirm whether the SHR to be sent by the terminal device to the network device 3 exists in the SHR generated in this handover procedure.
  • the indication information 1 includes a third field, which is used to indicate the source cell identifier corresponding to the SHR stored by the terminal device.
  • the network device 2 can confirm whether the SHR to be sent by the terminal device to the network device 3 exists in the SHR generated in this handover procedure.
  • Step 102 is generally sent to the network device 2 to which this handover is switched after the terminal device generates the SHR, that is, the network device 2 can learn in time that the terminal device has generated the SHR in this handover.
  • the network device 1 receives the indication information 2 sent by the network device 2, where the indication information 2 is used to instruct the terminal device to generate the SHR based on the handover from the cell 1 of the network device 1 to the cell 2 of the network device 2.
  • the SHR in this handover process may not be sent to network device 1 in time, that is to say, it cannot be guaranteed that the source network device of this handover process, network device 1, before receiving the SHR
  • the context information of the terminal device at the network device 1 is not deleted. Therefore, this step needs to be introduced to indicate or remind the network device 1 that although this handover is successful, there is a potential problem of successful handover.
  • the network device 1 needs to perform the operation 104 according to the indication information 2 .
  • the network device 1 stores the context information of the terminal device at the network device 1 according to the indication information 2 .
  • the network device 1 When the network device 1 knows that the terminal device has generated the SHR in this handover process, it stores the context information of the terminal device at the network device 1 in the network device 1 in time, and will not delete it for subsequent receipt. After the SHR, the mobile performance is optimized in combination with the SHR.
  • the context information of the terminal device at the network device 1 includes the mobility configuration information related to the terminal device, and the mobility configuration information related to the terminal device may include: handover threshold information, handover bias information, and hysteresis information and at least one of switching resource information.
  • the handover threshold information can be understood as a threshold value for triggering a terminal device to perform a handover to a target cell of a target network device, for example, an RSRP threshold corresponding to each event in the handover.
  • the handover bias information can be understood as the frequency conversion bias of handover, which indicates that the quality of the target cell is higher than the bias value of the source cell in the handover scenario.
  • the hysteresis information is used to adjust various handover thresholds to help reduce or avoid possible ping-pong effects during handover.
  • the handover resource information may include information such as resources used when trying to access the target cell.
  • the mobility configuration information related to the terminal equipment may include candidate cell information for CHO, access resource information of the candidate cell, trigger condition information of CHO, and the like.
  • the trigger condition information of CHO is at least one of switching threshold information, switching bias information, and hysteresis information in the CHO process.
  • the candidate cell information for CHO is the cell global identifier (CGI) of each candidate cell, or the physical cell identifier (PCI) of each candidate cell and the frequency information corresponding to the candidate cell.
  • CGI cell global identifier
  • PCI physical cell identifier
  • each event in the above handover includes events involved in ordinary handover, including events such as A3, A5, and A6, wherein the A3 event is used to judge whether the service quality of the neighboring cell is better than that of the serving cell, and the A5 event is used to judge the service quality of the serving cell. Whether it is worse than a threshold or whether the service quality of the adjacent cell is better than a threshold, the A6 event is used to judge whether the service quality of the adjacent cell is better than that of the secondary cell. In the CHO process, events such as A3 and A5 may be included, but the A6 event is not included.
  • the terminal device sends the SHR to the network device 3.
  • the terminal device sends the SHR generated in this handover process to the currently connected network device 3.
  • the network device 3 may be the network device 2.
  • a delay time may have elapsed between steps 101 and 105.
  • Network device 3 sends the SHR to network device 1.
  • the network device 1 can obtain the SHR generated by the terminal device in this handover process.
  • the network device 1 performs mobility performance optimization according to the context information of the terminal device at the network device 1 and the SHR.
  • the network device 1 may locate potential problems in the handover process by combining the context information of the terminal device at the network device 1 and the SHR, and then optimize the relevant mobility parameters in a targeted manner.
  • the mobility configuration information in the foregoing step 104 includes resource information used by the terminal equipment to access cell 2, the maximum number of RA attempts that can be reached to access cell 2, and triggering handover to At least one of the handover thresholds of cell 2, and the SHR includes the number of RA attempts corresponding to the terminal equipment accessing cell 2.
  • network device 1 may perform at least one of the following operations accordingly: adjust the allocated resources for accessing cell 2 , adjust the maximum number of RA attempts that can be achieved to access cell 2 and adjust the handover threshold for triggering handover to cell 2.
  • the handover threshold information in the mobility configuration information in the foregoing step 104 includes the handover threshold information for triggering the handover to cell 2, and the SHR includes the terminal equipment accessing cell 2 and obtained later Signal quality information of the target cell. Assuming that the signal quality information is not good, the network device 1 can adjust accordingly, for example, raise the handover threshold of the access cell 2 .
  • FIG. 3 an interaction flowchart of another method for optimizing mobile performance provided by an embodiment of the present application.
  • the core idea of the method is consistent with the technical solution introduced in FIG. 2 , and is a more complete technical solution based on FIG. 2 .
  • the specific signaling corresponding to some steps is disclosed.
  • the technical solution is based on ordinary handover. The process is shown as an example.
  • the terminal device sends the measurement result of the neighboring cell to the network device 1.
  • the network device 1 configures the terminal device with relevant measurement information for handover, and the terminal device reports to the network device 1 accordingly after completing the measurement.
  • the network device 1 sends a handover request to the network device 2.
  • the network device 1 sends a handover request HO request to the network device 2, requesting that the terminal device be handed over from the cell 1 of the network device 1 to the cell 2 of the network device 2.
  • the HO request may include the identity of cell 2, the cell radio network temporary identifier (C-RNTI) of the terminal equipment in the network equipment 1, and the terminal equipment based on different radio access technology (radio access technology, RAT) capabilities etc. at least one.
  • the network device 2 sends a handover response to the network device 1.
  • the handover response HO acknowledge is the HO ACK.
  • the HO acknowledge may also include information on whether the network device 2 agrees to perform the DAPS handover.
  • the network device 1 performs RRC reconfiguration on the terminal device.
  • the content of the RRC reconfiguration mainly includes information related to the cell 2 accessing the network device 2 , such as the identity of the cell 2 , the new C-RNTI used by the terminal device subsequently, the resource information used to access the cell 2 , and the like.
  • the terminal device detects a successful handover potential problem based on the handover from cell 1 of network device 1 to cell 2 of network device 2, and generates an SHR.
  • the terminal device sends an RRCconfigurationComplete to the network device 2, where the RRCconfigurationComplete carries the indication information 1.
  • the network device 1 receives the notification sent by the network device 2, and the notification carries the indication information 2.
  • the indicator information 2 may also be referred to as an SHR indicator (indicator).
  • the network device 1 stores the context information of the terminal device at the network device 1.
  • the terminal device sends the SHR to the network device 3.
  • the network device 3 sends the SHR to the network device 1.
  • the network device 1 performs mobility performance optimization based on the stored context information of the terminal device at the network device 1 and the SHR.
  • steps 205-211 For the detailed description of steps 205-211, reference may be made to the above-mentioned steps 101-107, which will not be repeated here.
  • the target network device when the target network device receives an instruction from the terminal device to generate an SHR for this handover, it sends an instruction to the source network device in time, so that the source network device can verify the context of the terminal device at the source network device.
  • the information is stored in time so that after receiving the SHR, the two can be combined to optimize the mobile performance.
  • the mobility of the communication system is thereby improved.
  • the storage is directly performed on the source network device side, which can effectively reduce unnecessary signaling overhead.
  • the source network device stores the context information of the terminal device at the network device 1 in this handover process in time through the indication of the target network device, thereby ensuring mobility performance optimization based on potential problems of successful handover.
  • the target network device stores the context information of the terminal device at the source network device according to the instruction sent by the terminal device for instructing the handover process to generate the SHR, and then sends it to the source network device for the successful handover. Mobile performance optimization for potential issues.
  • FIG. 4 is an interactive flowchart of another method for optimizing mobile performance provided by an embodiment of the present application. It can be applied to the scenario of FIG. 1 .
  • This technical solution is applicable to any of the aforementioned handover procedures excluding CHO handover. It should be noted that, unless otherwise specified, the meanings of each network device in Embodiment 2 are the same as those in Embodiment 1, and are not repeated here.
  • the network device 1 sends the context information of the terminal device at the network device 1 to the network device 2.
  • the network device 1 decides to switch the terminal device from the cell 1 of the network device 1 to the cell 2 of the network device 2. Because the network device 1 has not deleted the context information of the terminal device at the network device 1 at this time, The context information at the device 1 is sent to the network device 2 to be requested from the network device 2 when it may be used later. In an implementation manner, the network device 1 carries the context information of the terminal device at the network device 1 in the HO request and sends it to the network device 2.
  • the terminal device since it is not yet possible to confirm whether the terminal device will generate an SHR based on this handover process (if not specified below, it refers to handover from cell 1 of network device 1 to cell 2 of network device 2) , the context information of the terminal device at the network device 1 does not need to be saved temporarily.
  • the terminal device detects a potential problem of successful handover based on the handover from cell 1 of network device 1 to cell 2 of network device 2, and generates an SHR.
  • step 101 for the specific description of this step, please refer to step 101 in the first embodiment.
  • the terminal device sends the indication information 1 to the network device 2.
  • step 102 for the specific description of this step, please refer to step 102 in the first embodiment.
  • the network device 2 stores the context information of the terminal device at the network device 1 according to the indication information 1.
  • the network device 2 When the network device 2 learns that an SHR is generated in this handover process according to the indication information 1 in step 303 , the network device 2 stores the context information of the terminal device at the network device 1 for subsequent feedback to the network device 1 .
  • step 304 after step 304 is performed and the terminal device successfully accesses the cell 2, the network device 2 instructs the network device 1 to release the context of the terminal device at the network device 1.
  • step 104 For the specific content of the context information of the terminal device at the network device 1, reference may be made to step 104 in the first embodiment.
  • the terminal device sends the SHR to the network device 3.
  • step 105 for the specific description of this step, please refer to step 105 in the first embodiment.
  • the network device 3 sends the SHR to the network device 1.
  • step 106 for the specific description of this step, please refer to step 106 in the first embodiment.
  • the network device 1 sends request information to the network device 2, where the request information is used to request the context information of the terminal device at the network device 1.
  • this step needs to be performed in order to optimize the mobility performance.
  • the network device 1 sends request information to the network device 2, and the request message includes at least one of the following information: the source cell, that is, the information of the cell 1, The target cell, that is, the information of the cell 2, and the information of the terminal equipment.
  • the information of cell 1 or cell 2 may include frequency point information and PCI of cell 1 or cell 2, or CGI of cell 1 or cell 2.
  • the information of the terminal device may be the C-RNTI of the terminal device at the source network device and/or the C-RNTI at the target network device.
  • the request message may further include time information of this handover process. The time information of this handover process is used by the network device 2 to determine the time when the terminal device accesses the network device 2, so that the network device 2 can quickly locate the context information of the terminal device at the network device 1 requested by the network device 1.
  • the network device 2 sends feedback information to the network device 1, where the feedback information is used to feed back the context information of the terminal device at the network device 1.
  • the network device 2 sends the context information of the terminal device at the network device 1 stored in step 304 to the network device 1 .
  • the network device 1 performs mobility performance optimization according to the context information of the terminal device at the network device 1 and the SHR.
  • step 107 in the first embodiment.
  • step 201 in the technical solution shown in FIG. 3 in the first embodiment may be further included before step 301 in this embodiment, and steps 202 and 203 may be further included between steps 301 and 302 .
  • steps 202 and 203 may be further included between steps 301 and 302 .
  • the source network device sends the context information of the terminal device at the source network device to the target network device whose CHO handover is successful, and the target network device sends the context information of the terminal device at the source network device.
  • the device stores the context information of the terminal device at the source network device according to the instruction sent by the terminal device to instruct the handover process to generate the SHR, and then sends it to the source network device for mobile performance optimization of potential problems of successful handover.
  • FIG. 5 is another mobile performance optimization method provided by an embodiment of the present application. It can be applied to the scenario of FIG. 1 .
  • the technical solution is applicable to the CHO switching process. It should be noted that, unless otherwise specified, the meanings of each network device in Embodiment 3 are the same as those in Embodiment 1, and are not repeated here.
  • the terminal device detects a potential problem of successful handover based on the handover from cell 1 of network device 1 to cell 2 of network device 2, and generates an SHR.
  • step 101 for the specific description of this step, please refer to step 101 in the first embodiment.
  • the terminal device sends the indication information 1 to the network device 2.
  • step 102 for the specific description of this step, please refer to step 102 in the first embodiment.
  • the network device 2 sends the handover success information to the network device 1.
  • the handover success information is used to indicate that among the multiple candidate cells, the terminal device successfully accesses the cell 2 of the network device 2 . Based on this, the network device 1 can determine that the target cell of the target base station that the terminal device successfully switches over in this handover process is the cell 2 of the network device 2 . The network device may also instruct the network device 1 to release the context information of the terminal device at the network device 1 through the message.
  • the network device 1 sends the context information of the terminal device at the network device 1 to the network device 2.
  • the network device 1 Before the network device 1 deletes the context information of the terminal device at the network device 1, it needs to send the context information of the terminal device at the network device 1 to the network device 2.
  • the context information of the terminal device at the network device 1 includes the mobility configuration information related to the terminal device involved in the CHO process in step 104 in the first embodiment.
  • it may include candidate cell information for CHO, access resource information of the candidate cell, trigger condition information of CHO, and the like.
  • the candidate cell information for CHO is the CGI of each candidate cell, or the PCI of each candidate cell and the frequency information corresponding to the candidate cell.
  • the network device 2 stores the context information of the terminal device at the network device 1 according to the indication information 1.
  • step 304 in the first embodiment.
  • the terminal device sends the SHR to the network device 3.
  • step 105 for the specific description of this step, please refer to step 105 in the first embodiment.
  • the network device 3 sends the SHR to the network device 1.
  • step 106 for the specific description of this step, please refer to step 106 in the first embodiment.
  • Network device 1 sends request information to network device 2, where the request information is used to request the context information of the terminal device at network device 1.
  • step 307 in the second embodiment.
  • the network device 2 sends feedback information to the network device 1, where the feedback information is used to feed back the context information of the terminal device at the network device 1.
  • the network device 2 resends the context information of the terminal device at the network device 1 stored in step 304 to the network device 1 .
  • the network device 1 performs mobility performance optimization according to the context information of the terminal device at the network device 1 and the SHR.
  • step 107 in the second embodiment.
  • FIG. 6 an interaction flowchart of another method for optimizing mobile performance provided by an embodiment of the present application.
  • the core idea of the method is consistent with the technical solution introduced in FIG. 5 , and is a more complete technical solution based on FIG. 5 , and at the same time, specific signaling corresponding to some steps is disclosed.
  • the terminal device sends the measurement result of the neighboring cell to the network device 1.
  • step 201 for the specific description of this step, please refer to step 201 in the first embodiment.
  • the network device 1 sends the CHO request CHO request to the network device 2.
  • Network device 1 may send a CHO request to network devices corresponding to multiple candidate cells that satisfy the CHO trigger condition, and network device 2 is one of them.
  • the network device 2 sends the CHO request response CHO request acknowledge to the network device 1.
  • the network device 2 accepts the CHO request from the network device 1 and feeds back the CHO request acknowledge.
  • the network device 1 sends the CHO configuration information to the terminal device.
  • the CHO configuration information is the mobility configuration information related to the terminal device in the CHO scenario in step 104 . That is, the candidate cell information, the access resource information of the candidate cell, the trigger condition information of the CHO, and the like.
  • the terminal device detects a successful handover potential problem based on the handover from cell 1 of network device 1 to cell 2 of network device 2, and generates an SHR.
  • the terminal device sends an RRCconfigurationComplete to the network device 2, where the RRCconfigurationComplete carries the indication information 1.
  • the network device 2 sends the handover successful HO success to the network device 1.
  • the network device 1 Since the network device 1 previously sent a CHO request to the network devices corresponding to multiple candidate cells that satisfy the CHO trigger condition, it does not know which cell of the network device the terminal device is finally switched to. After this step is performed, the network device 1 can determine that the terminal device accesses the cell 2 of the network device 2 .
  • step 403 for other expressions of this step, reference may be made to step 403 in this embodiment.
  • the network device 1 sends the context information of the terminal device at the network device 1 to the network device 2.
  • the network device 2 stores the context information of the terminal device at the network device 1 according to the indication information 1.
  • the terminal device sends the SHR to the network device 3.
  • the network device 3 sends the SHR to the network device 1.
  • the network device 1 sends request information to the network device 2, where the request information is used to request the context information of the terminal device at the network device 1.
  • the network device 2 sends feedback information to the network device 1, where the feedback information is used to feed back the context information of the terminal device at the network device 1.
  • the network device 1 performs mobility performance optimization based on the context information of the terminal device at the network device 1 and the SHR.
  • steps 508-514 For the detailed description of steps 508-514, reference may be made to the above-mentioned steps 404-410, which will not be repeated here.
  • the communication methods provided by the embodiments of the present application are introduced from the perspective of including the source network device, the target network device, the terminal device, and the receiving network device as execution subjects.
  • the above devices may include hardware structures and/or software modules, and implement the above functions in the form of hardware structures, software modules, or hardware structures plus software modules. Whether one of the above functions is performed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
  • an embodiment of the present application further provides a communication device 1100 , where the communication device 1100 includes a transceiver module 1101 and a processing module 1102 .
  • the communication apparatus 1100 is configured to implement the functions of the network device 1 , the network device 2 , the terminal device, or the network device 3 in the methods in the first to third embodiments of the present application.
  • the apparatus may be network device 1 , network device 2 , terminal device or network device 3 , or may be a device in network device 1 , network device 2 , terminal device or network device 3 .
  • the device may be a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the transceiver module 1101 is used to receive indication information from the network device 2, where the indication information is used to instruct the terminal device to switch to the network device based on the cell 1 of the network device 1
  • the cell 2 of the Module 1102 is further configured to perform mobility performance optimization according to the context information of the terminal device at the first network device and the SHR.
  • the transceiver module 1101 is used to send the context information of the terminal device at the network device 1 to the network device 2; receive the SHR from the network device 3, where the SHR is the terminal The device is generated based on the handover to the cell 1 of the network device 1 to the cell 2 of the network device 2; the request information is sent to the network device 2, and the request information is used to request the terminal device to be at the first network device.
  • the context information receive feedback information from the network device 2, the feedback information is used to feed back the context information of the terminal device at the network device 1; the processing module 1102 is used for according to the terminal device at the network device 1
  • the context information and the SHR are optimized for mobile performance.
  • the processing module 1102 is used to control the transceiver module 1101 to receive the first indication information from the terminal equipment, where the first indication information is used to instruct the terminal equipment based on Handover from cell 1 of network device 1 to cell 2 of network device 2 to generate an SHR; send second indication information to network device 1, where the second indication information is used to indicate the SHR.
  • the transceiver module 1101 is used to receive the context information of the terminal device at the network device 1 from the network device 1; the processing module 1102 is used to store the terminal device. Context information at the network device 1; the transceiver module 1101 is further configured to send feedback information to the network device 3, where the feedback information is used to feed back the context information of the terminal device at the network device 1.
  • the processing module 1102 is used to detect the potential problem of successful handover based on the handover from the cell 1 of the network device 1 to the cell 2 of the network device 2, and generate an SHR
  • the transceiver equipment 1101 is used to send indication information 1 to the network device 2, where the indication information 1 is used to instruct the terminal device to generate an SHR based on handover from the cell 1 of the network device 1 to the cell 2 of the network device 2.
  • the indication information 1 includes a field for indicating the handover procedure corresponding to the SHR.
  • transceiver module 1101 For more detailed descriptions of the transceiver module 1101 and the processing module 1102, reference may be made to the descriptions in Embodiments 1 to 3 above.
  • the division of modules in the embodiments of the present application is schematic, and is only a logical function division. In actual implementation, there may be other division methods.
  • the functional modules in the various embodiments of the present application may be integrated into one processing unit. In the device, it can also exist physically alone, or two or more modules can be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules.
  • an embodiment of the present application further provides a communication apparatus 1200 .
  • the communication apparatus 1200 is configured to implement the functions of the network device 1 , the network device 2 , the terminal device, or the network device 3 in the methods in the first to third embodiments of the present application.
  • the apparatus may be network device 1 , network device 2 , terminal device or network device 3 , or may be a device in network device 1 , network device 2 , terminal device or network device 3 .
  • the communication apparatus 1200 includes at least one processor 1201 for implementing the functions of the terminal device in the above method. For details, please refer to the detailed description in the method, which will not be described here.
  • the communication apparatus 1200 may also include at least one memory 1202 for storing program instructions and/or data.
  • Memory 1202 and processor 1201 are coupled.
  • the coupling in the embodiments of the present application is the spaced coupling or communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information interaction between the devices, units or modules.
  • the memory 1202 may also be located external to the communication device 1200 .
  • the processor 1201 may cooperate with the memory 1202 .
  • the processor 1201 may execute program instructions stored in the memory 1202 to implement the methods in the above embodiments of the present application. At least one of the at least one memory may be included in the processor.
  • the communication apparatus 1200 may further include a communication interface 1203 for communicating with other devices through a transmission medium, so that the devices used in the communication apparatus 1200 may communicate with other devices.
  • communication interface 1203 may be a transceiver, circuit, bus, module, or other type of communication interface, and the other device may be a network device.
  • the processor 1201 uses the communication interface 1203 to send and receive data, and is used to implement the methods in the above embodiments.
  • the communication apparatus 1200 may also include at least one memory 1202 for storing program instructions and/or data.
  • Memory 1202 and processor 1201 are coupled.
  • the coupling in the embodiments of the present application is the spaced coupling or communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information interaction between the devices, units or modules.
  • the memory 1202 may also be located external to the communication device 1200 .
  • the processor 1201 may cooperate with the memory 1202 .
  • Processor 1201 may execute program instructions stored in memory 1202 . At least one of the at least one memory may be included in the processor.
  • the communication apparatus 1200 may further include a communication interface 1203 for communicating with other devices through a transmission medium, so that the devices used in the communication apparatus 1200 may communicate with other devices.
  • the communication interface 1203 may be a transceiver, circuit, bus, module, or other type of communication interface, and the other device may be a terminal device.
  • the processor 1201 uses the communication interface 1203 to send and receive data, and is used to implement the methods in the above embodiments.
  • the embodiment of the present application does not limit the connection medium between the communication interface 1203 , the processor 1201 , and the memory 1202 .
  • the memory 1202, the processor 1201, and the communication interface 1203 in this embodiment of the present application may be connected through a bus, and the bus may be divided into an address bus, a data bus, a control bus, and the like.
  • the processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, which can implement or
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., or may also be a volatile memory (volatile memory), for example Random-access memory (RAM).
  • Memory is, but is not limited to, any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • the memory in this embodiment of the present application may also be a circuit or any other device capable of implementing a storage function, for storing program instructions and/or data.
  • the methods provided in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software When implemented in software, it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present invention are generated.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, network equipment, user equipment, or other programmable apparatus.
  • the computer instructions may be stored in or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server or data center Transmission to another website site, computer, server or data center by wire (eg coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer-readable storage medium can be any available media that can be accessed by a computer, or a data storage device such as a server, data center, etc. that includes one or more available media integrated.
  • the usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, digital video discs (DVD)), or semiconductor media (eg, SSDs), and the like.

Landscapes

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

Abstract

本申请提供了一种移动性能优化的方法、通信装置。该方法包括：接收来自第二网络设备的指示信息，该指示信息用于指示终端设备基于第一网络设备的第一小区切换至该第二网络设备的第二小区生成成功切换报告SHR；根据该指示信息，存储该终端设备在该第一网络设备处的上下文信息；接收来自第三网络设备的该SHR，该第三网络设备为该终端设备在发送该SHR时连接的网络设备；根据该终端设备在该第一网络设备处的上下文信息和该SHR进行移动性能优化。上述方法实现切换流程存在成功的潜在问题时，仍能够保证对相关的移动性能进行优化。

Description

一种优化移动性能的方法及通信装置
本申请要求于2021年04月28日提交国家知识产权局、申请号为202110466874.6、申请名称为“一种优化移动性能的方法及通信装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，特别涉及一种与成功切换(sucessful handover)场景下进行移动性参数的方法及通信装置。
背景技术
无线通信系统的一项指标是确保终端设备在移动过程中能够享受无中断的业务，对应的场景为移动性场景。基于此，移动性管理是无线通信系统的一个热门研究话题。
移动性场景包括切换场景。在切换失败时，终端可以向网络侧发送无线链路失败报告(radio link failure report，RLC report)用于网络侧获取切换失败的原因并优化移动性能。
即便在成功切换的场景下，仍然存在切换成功的潜在问题(underlying issue)，若不能基于该问题优化移动性能，则可能导致后续相关切换流程的失败。因此，如何在这样的场景下优化移动性能是亟需解决的问题。
发明内容
本申请实施例提供了一种移动新能优化的技术方案，以实现终端设备检测到切换存在成功的潜在问题的情况下，能够对相关的移动性能进行优化。
本申请实施例具体可以通过如下技术方案实现：
第一方面，本申请提供了一种移动性能优化的方法，包括：第二网络设备接收来自终端设备的第一指示信息，所述第一指示信息用于指示所述终端设备基于从第一网络设备的第一小区切换至第二网络设备的第二小区生成SHR；所述第一网络设备接收来自所述第二网络设备的第二指示信息，所述第二指示信息用于指示终端设备基于从所述第一小区切换至所述第二小区生成SHR；所述第一网络设备根据所述第二指示信息，存储所述终端设备在所述第一网络设备处的上下文信息；所述第一网络设备接收来自第三网络设备的所述SHR，所述第三网络设备为所述终端设备在发送所述SHR时连接的网络设备；所述第一网络设备根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR进行移动性能优化。
通过第二网络设备，即目标网络设备，在收到终端设备指示本次切换生成SHR时，及时向第一网络设备，即源网络设备发送指示，以使得第一网络设备能够对终端设备在第一网络设备处的上下文信息及时存储，以便后续在收到SHR后，将两者结合对移动性能进行优化。由此提高通信系统的移动性能。且直接在第一网络设备侧进行存储，可以有效降低不必要地信令开销。
第二方面，本申请提供了另一种移动性能优化的方法，包括：第一网络设备向第 二网络设备发送终端设备在第一网络设备处的上下文信息；所述第二网络设备存储所述终端设备在所述第一网络设备处的上下文信息；所述第一网络设备接收来自第三网络设备的SHR，所述SHR为终端设备基于切换至所述第一网络设备的第一小区切换至所述第二网络设备的第二小区生成，所述第三网络设备为所述终端设备在发送所述SHR时所连接的网络设备；所述第一网络设备向所述第二网络设备发送请求信息，所述请求信息用于请求所述终端设备在所述第一网络设备处的上下文信息；接收来自所述第二网络设备的反馈信息，所述反馈信息用于反馈所述终端设备在所述第一网络设备处的上下文信息；所述第一网络设备根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR进行移动性能优化。
通过网络设备2对终端设备在源网络设备处的上下文信息进行存储，后续发送给源网络设备用于切换成功的潜在问题的移动性能优化。
在一种实现方式中，该方法还包括：所述第一网络设备接收来自所述第二网络设备的切换成功信息，所述切换成功信息用于指示所述终端设备成功切换至所述第二小区。
在条件切换场景下，可以保证第一网络设备，即源网络设备可以向终端设备最终接入的第二网络设备，即目标网络设备发送终端设备在第一网络设备处的上下文信息即可。
在一种实现方式中，所述请求信息包括所述终端设备的信息。
在一种实现方式中，所述请求信息还包括所述第一网络设备的信息、所述第二小区的信息和所述切换流程的时间信息中的至少一种。
以上这些信息可以帮助快速定位到第一网络设备所请求的终端设备在第一网络设备处的上下文信息。
结合第一方面或者第二方面、以及第二方面的各种实现方式，在一种可能的实现方式中，所述终端设备在所述第一网络设备处的上下文信息包括与所述终端设备有关的移动性配置信息。
在一种可能的实现方式中，所述移动性配置信息包括切换门限信息、切换资源信息、切换偏置信息和迟滞信息的至少一种；或者，所述移动性配置信息包括条件切换配置信息。
在一种可能的实现方式中，所述条件切换配置信息包括条件切换候选小区信息和条件切换触发条件信息。
在一种可能的实现方式中，所述SHR包括所述第一网络设备的信息。如此可以使得接收该SHR的第三网络设备快速找到所述第一网络设备对所述SHR进行转发。
在一种可能的实现方式中，所述第三网络设备与所述第二网络设备是同一网络设备。
此时所述方法还包括：所述第二网络设备接收来自所述终端设备的所述SHR；以及向所述第一网络设备发送所述SHR。
在一种可能的实现方式中，所述移动性配置信息包括所述终端设备接入所述第二小区所用的资源信息、能够尝试的最大随机接入次数和切换门限中的至少一种，所述SHR包括所述终端设备接入所述第二小区尝试的随机接入次数；根据所述终端设备在 所述第一网络设备处的上下文信息和所述SHR优化移动性能包括：根据所述尝试的随机接入次数，确定调整如下的至少一种：调整分配的接入所述小区所用的资源、所述能够尝试的最大随机接入次数和切换门限。
在一种可能的实现方式中，所述切换门限信息包括所述终端设备接入所述第二小区的切换门限，所述SHR包括所述终端设备接入所述第二小区获后获得的所述第二小区的信道质量信息；根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR优化移动性能包括：根据所述第二小区的信道质量信息，确定调整所述切换门限。
第三方面，本申请提供了一种通信装置，该通信装置包括用于实现如上述第一方面以及第一方面中的可能的实现方式中第一网络设备、第二网络设备、终端设备、或第三网络设备的功能。这些功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。
第四方面，本申请提供了一种通信装置，该通信装置包括用于实现如上述第二方面以及第二方面中的可能的实现方式中第一网络设备、第二网络设备、终端设备、或第三网络设备的功能。这些功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的模块。
第五方面，本申请提供了一种通信装置，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于从存储器中调用并运行该计算机程序，使得该通信装置实现上述第一方面以及第一方面中的可能的实现方式中第一网络设备、第二网络设备、终端设备、或第三网络设备的功能。
第六方面，本申请提供了一种通信装置，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于从存储器中调用并运行该计算机程序，使得该通信装置实现上述第二方面以及第二方面中的可能的实现方式中第一网络设备、第二网络设备、终端设备、或第三网络设备的功能。
第七方面，提供了一种计算机程序产品，所述计算机程序产品包括：计算机程序代码，当所述计算机程序代码在计算机上运行时，使得计算机执行上述各方面中的方法
第八方面，提供了一种计算机可读介质，所述计算机可读介质存储有程序代码，当所述计算机程序代码在计算机上运行时，使得计算机执行上述各方面中的方法。
上述第三方面至第八方面的有益效果可以分别参照第一方面和第二方面对应的有益效果，由于前述已经阐述，此处不再赘述。
附图说明
图1为本申请实施例的一种应用场景；
图2为本申请实施例的一种移动性能优化的方法的交互流程图；
图3为本申请实施例的另一种移动性能优化的方法的交互流程图；
图4为本申请实施例的另一种移动性能优化的方法的交互流程图；
图5为本申请实施例的另一种移动性能优化的方法的交互流程图；
图6为本申请实施例的又种移动性能优化的方法的交互流程图；
图7为本申请实施例的一种通信装置示意图；
图8为本申请实施例的另一种通信装置示意图。
具体实施方式
本申请实施例中“至少一个”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B的情况，其中A、B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一(项)个”或其类似表达，是指的这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a、b或c中的至少一项(个)，可以表示：a，b，c，a和b，a和c，b和c，或a、b和c，其中a、b、c中的每一个本身可以是元素，也可以是包含一个或多个元素的集合。
在本申请实施例中，“示例的”“在一些实施例中”“在另一实施例中”“作为一种实现方式”等用于表示作例子、例证或说明。本申请中被描述为“示例”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用示例的一词旨在以具体方式呈现概念。
本申请实施例中通信、传输有时可以混用，应当指出的是，在不强调区别时，其所表达的含义是一致的。例如传输可以包括发送和/或接收，可以为名词，也可以是动词。
需要指出的是，本申请实施例中涉及的“第一”、“第二”等词汇，仅用于区分描述的目的，而不能理解为指示或暗示相对重要性，也不能理解为指示或暗示顺序。本申请实施例中涉及的等于可以与大于连用，适用于大于时所采用的技术方案，也可以与小于连用，适用于与小于时所采用的技术方案，需要说明的是，当等于与大于连用时，不与小于连用；当等于与小于连用时，不与大于连用。
以下对本申请实施例中的部分用语进行解释说明，以便于本领域技术人员理解。
1、终端设备。本申请实施例中终端设备是一种具有无线收发功能的设备，可以称为终端(terminal)、用户设备(user equipment，UE)、移动台(mobile station，MS)、移动终端(mobile terminal，MT)、接入终端设备、车载终端设备、工业控制终端设备、UE单元、UE站、移动站、远方站、远程终端设备、移动设备、UE终端设备、无线通信设备、UE代理或UE装置等。终端设备可以是固定的或者移动的。需要说明的是，终端设备可以支持至少一种无线通信技术，例如LTE、NR、宽带码分多址(wideband code division multiple access，WCDMA)等。例如，终端设备可以是手机(mobile phone)、平板电脑(pad)、台式机、笔记本电脑、一体机、车载终端、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助理(personal digital assistant，PDA)、具有无线通信功能的手持设备、 计算设备或连接到无线调制解调器的其它处理设备、可穿戴设备、未来移动通信网络中的终端设备或者未来演进的公共移动陆地网络(public land mobile network，PLMN)中的终端设备等。在本申请的一些实施例中，终端还可以是具有收发功能的装置，例如芯片系统。其中，芯片系统可以包括芯片，还可以包括其它分立器件。
2、网络设备。本申请实施例中网络设备是一种为终端设备提供无线通信功能的设备，也可称之为接入网设备、无线接入网(radio access network，RAN)设备等。示例的，网络设备包括但不限于：第五代移动通信系统(5th-generation，5G)中的下一代基站(generation nodeB，gNB)、演进型节点B(evolved node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved node B、或home node B，HNB)、基带单元(baseband unit，BBU)、收发点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)、移动交换中心等。网络设备还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器、集中单元(centralized unit，CU)、和/或分布单元(distributed unit，DU)，或者网络设备可以为中继站、接入点、车载设备、终端设备、可穿戴设备以及未来移动通信中的网络设备或者未来演进的PLMN中的网络设备等。在一些实施例中，网络设备还可以为具有为终端设备提供无线通信功能的装置，例如芯片系统。示例的，芯片系统可以包括芯片，还可以包括其它分立器件。
3.切换
本申请实施例所涉及的切换场景，从连接场景的角度，可以分为单连接场景下终端设备从源网络设备的小区至目标网络设备的小区的切换和多连接场景下终端设备从源主网络设备的主服务小区至目标主网络设备的主服务小区的切换。从切换场景的角度，可以分为普通切换、条件切换(conditional handover，CHO)和双激活协议栈(dual active protocol stack，DAPS)切换。其中，普通切换是指终端设备接收到源网络设备下发的配置，在目标网络设备完成重配，并接入目标基站，断开与源网络设备链接的过程。条件切换是指网络设备向终端设备发送CHO配置信息，CHO配置信息包括用于切换的候选小区信息和对应的条件切换触发条件信息等。终端设备收到CHO配置后不立即执行切换流程，而是等到候选小区中存在满足条件切换触发条件的候选小区后，开始执行向该候选小区的切换流程。DAPS切换是指终端设备在接收到切换命令之后依然保持和源网络设备的连接，同时尝试与目标网络设备建立连接。因此可以认为，在DAPS切换场景下，终端设备和源网络设备和目标网络设备分别建立连接直至目标网络设备指示终端设备断开和源网络设备的链接。从流程的角度，可以分为基于Xn的切换(Xn based handover)和基于NG的切换(NG based handover)。其中，基于Xn的切换是由源网络设备和目标网络设备交互切换请求，而基于NG的切换是由源网络设备向授权管理区域(authentication management field，AMF)发送切换请求、AMF再向目标网络设备发送切换命令。
如图1是本申请实施例的一种应用场景。终端设备从网络设备1的覆盖范围移动至网络设备2的覆盖范围。为了保持通信的连续性，终端设备从网络设备1的小区1 切换至网络设备2的小区2。其中，网络设备1可以称为源网络设备、小区1可以称为源小区。对应的，网络设备2可以称为目标网络设备、小区2可以称为目标小区。该应用场景适用于各种无线通信一通，例如：全球移动通讯(global system of mobile communication，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WiMAX)通信系统、5G系统或新无线(new radio，NR)等。即使本次切换流程是成功的，仍然可能存在成功切换的潜在问题。例如：终端设备在切换至小区2时，测得的小区2信号质量，如参考信号接收功率(reference signal receiving power，RSRP)，略微高于触发切换的信号质量门限。又例如：终端设备在切换至小区2前尝试接入小区2的随机接入(random access，RA)次数接近能够尝试的最高RA次数。如此，即便本次切换是成功的，源网络设备服务下的其它终端设备在后续在进行切换时很可能会失败。考虑引入终端设备记录并向网络侧发送本次切换过程中与移动性相关的信息。该与移动性相关的信息可以携带在成功切换报告(sucessful handover report，SHR)中。关于SHR中所携带的与移动性相关的信息具体内容，将在下文结合具体的实施例举例说明。网络设备1在获得该SHR后，便可以结合在网络设备1中留存在该终端设备在网络设备1中的上下文信息，对网络设备1处移动性能进行优化。其中，终端设备的上下文通常指终端设备和对应的网络设备之间建立的链路，终端设备在网络设备1处的上下文信息包括终端设备的鉴权信息、终端设备的网络能力等。特别地，本申请实施例中的终端设备在网络设备1处的上下文信息还包括与终端设备有关的移动性配置信息。关于与终端设备有关的移动性配置信息同样将在下文结合具体的实施例举例说明。
然而终端设备在生成SHR之后由于延时问题，并不一定会及时向目前连接的网络设备，例如网络设备2发送SHR。当最终网络设备1获得SHR时，由于该终端设备早已经切换出网络设备1的小区1，网络设备1很可能已经删除了原本留存在终网络设备1中的该终端设备在网络设备1中的上下文信息。导致网络设备1无法确定出上述提及的潜在问题，从而无法进行对应的移动性能优化。
有鉴于此，本申请实施例通过及时存储终端设备在源网络设备侧的上下文信息，使得源网络设备在获得SHR之后能够与其结合定位成功切换潜在问题，并对移动性能进行优化。
实施例一
图2为本申请实施例提供的一种移动性能优化的方法的交互流程图。其可以应用于图1的场景。该技术方案适用于前述提及的任何一种切换流程。
101.终端设备基于从网络设备1的小区1切换至网络设备2的小区2检测到成功切换潜在问题，并生成SHR。
终端设备检测到成功切换潜在问题还可以表达为终端设备检测到潜在失败(potential failure)，具体的问题可以参照前文中的相关表述。终端设备基于从网络设 备1的小区1切换至网络设备2的小区2生成SHR，或者说该SHR与从网络设备1的小区1切换至网络设备2的小区2的切换流程对应。
在一种实现方式中，终端设备存储该SHR，等待后续向其连接的网络设备发送。由于发送SHR时刻的不确定性，当终端设备发送SHR时，与其连接的网络设备可能还是网络设备2，也可能此时终端设备在本次切换流程后，又进行了至少一次切换流程，已经连接至网络设备3的小区3。基于此，本申请实施例定义终端设备发送SHR时，与其连接的网络设备，即接收终端设备发送的SHR的网络设备为网络设备3，也可以称为接收网络设备。在一些场景下，当终端设备2后续未切换出网络设备2管理的小区时，网络设备2与网络设备3为同一网络设备。
终端设备生成的SHR可以包括该终端设备的信息，例如，终端设备在源网络设备处或者在目标网络设备处的标识，还可以包括网络设备1、网络设备1的小区1、网络设备2和网络设备2的小区2的标识信息中的至少一种。
102.终端设备向网络设备2发送指示信息1。
该指示信息1用于指示终端设备基于从网络设备1的小区1切换至网络设备2的小区2生成SHR，也即指示了该SHR的存在，或者说，指示了终端设备从网络设备1的小区1切换至网络设备2的小区2时，检测到了成功切换潜在问题。
在一种实现方式中，终端设备在完成和小区2的定时同步以及无线控制资源(radio control resource，RRC)切换的步骤后，在向网络设备2发送的RRC配置完成RRCconfigurationComplete中携带指示信息1。
在某些实现方式中，终端设备在通信过程中可能经历了多次切换流程，分别生成了多个与多次切换流程中的至少部分切换流程所分别对应的多个不同的SHR，终端设备将它们进行存储并等待后续发送。
在一种实现方式中，本次切换流程中，当终端设备存储有SHR，不论是否该SHR是否是基于本次切换流程(下文若不特殊指明，则均指从从网络设备1的小区1切换至网络设备2的小区2)产生的，终端设备都会向网络设备2指示其存在待发送的SHR。
为了确实是否需要执行后续步骤，需要区分该一个或者多个SHR分别对应的是哪个切换流程。具体地，可以采用如下方式中的至少一种：
方式一：
指示信息1包括第一字段，用于指示终端设备待发送给网络设备3的SHR是否存在本次切换流程中产生的SHR。
在一种实现方式中，若终端设备待发送给网络设备3的SHR存在本次切换流程中产生的SHR，则执行本申请实施例中的后续步骤。
方式二：
指示信息1包括第二字段，用于指示终端设备存储的SHR对应的切换流程的时间信息。网络设备2可以基于此确认终端设备待发送给网络设备3的SHR是否存在本次切换流程中产生的SHR。
同样的，在一种实现方式中，若终端设备待发送给网络设备3的SHR存在本次切换流程中产生的SHR，则执行本申请实施例中的后续步骤。
方式三：
指示信息1包括第三字段，用于指示终端设备存储的SHR对应的源小区标识。
。网络设备2可以基于此确认终端设备待发送给网络设备3的SHR是否存在本次切换流程中产生的SHR。
同样的，在一种实现方式中，若终端设备待发送给网络设备3的SHR存在本次切换流程中产生的SHR，则执行本申请实施例中的后续步骤。
步骤102一般是在终端设备生成SHR后即向本次切换至的网络设备2发送的，也即，网络设备2可以及时获知，终端设备在本次切换中生成了SHR。
103.网络设备1接收网络设备2发送的指示信息2，该指示信息2用于指示终端设备基于从网络设备1的小区1切换至网络设备2的小区2生成该SHR。
如前所述，由于在本次切换流程中的SHR并不一定能及时向网络设备1发送，也就是说，无法保证本次切换流程的源网络设备，网络设备1，在接收到该SHR之前未删除终端设备在网络设备1处的的上下文信息，因此，需要引入本步骤来指示、或者说提醒网络设备1本次切换虽然是成功的，但是存在成功切换的潜在问题。需要网络设备1根据指示信息2进行104的操作。
104.网络设备1根据指示信息2，存储该终端设备在网络设备1处的上下文信息。
当网络设备1知晓了终端设备在本次切换流程生成了SHR时，便及时存储在网络设备1处的终端设备在网络设备1处的上下文信息，不会将其进行删除，以备后续收到该SHR后，与SHR结合对移动性能进行优化。
上文提到，终端设备在网络设备1处的上下文信息包括与终端设备有关的移动性配置信息，该与终端设备有关的移动性配置信息可以包括：切换门限信息、切换偏置信息、迟滞信息、切换资源信息的至少一种。其中，切换门限信息可以理解为满足何种情况触发终端设备进行向目标网络设备的目标小区进行切换的门限值，例如，切换中各个事件对应的RSRP门限等。切换偏置信息可以理解为切换的频率换算偏置，表示切换场景下目标小区质量高于源小区的偏置值。该值越大，表示目标小区需要更好的信号质量才能发起切换，也就是说切换偏置信息可以用于辅助切换门限信息控制切换流程的触发。迟滞信息用于调整各种切换门限，以帮助减少或者避免切换过程中可能产生的乒乓效应。切换资源信息可以包括尝试接入目标小区时所用的资源等信息。特别地，在CHO流程中，该与终端设备有关的移动性配置信息可以包括用于CHO的候选小区信息、候选小区的接入资源信息和CHO的触发条件信息等。在一种实现方式中，CHO的触发条件信息即为CHO流程中的切换门限信息、切换偏置信息、迟滞信息中的至少一种。用于CHO的候选小区信息是各个候选小区的小区全球标识(cell global indentifier，CGI)，或者各个候选小区的物理小区标识(physical cell indentifier，PCI)与候选小区对应的频率信息。需要说明的是，上述切换中各个事件包括普通切换涉及的事件包括A3、A5和A6等事件，其中A3事件用于判断邻小区服务质量是否好于服务小区，A5事件用于判断服务小区服务质量是否差与一个门限或者邻小区服务质量是否好于一个门限，A6事件用于判断邻小区服务质量是否好于辅小区服务质量。而在CHO流程中，可能包括A3和A5等事件，但不包括A6事件。
105.终端设备向网络设备3发送该SHR。
步骤101之后终端设备将本次切换流程生成的该SHR发送至目前连接的网络设备 3。如前步骤101所述，网络设备3可能就是网络设备2。步骤101和105之间可能经过了一段延迟时间。
106.网络设备3向网络设备1发送该SHR。
对应的本步骤106中，网络设备1可以获得本次切换流程中终端设备生成的SHR。
107.网络设备1根据该终端设备在网络设备1处的上下文信息和该SHR进行移动性能优化。
本步骤107中，网络设备1可以结合该终端设备在网络设备1处的上下文信息和该SHR定位本次切换流程中的潜在问题，进而有针对性地对其相关的移动性参数进行优化。
具体地，在一种实现方式中，前述步骤104中的移动性配置信息包括所述终端设备接入小区2所用的资源信息、接入小区2的能够达到的最高尝试RA次数、和触发切换至小区2的切换门限中的至少一种，该SHR包括该终端设备接入小区2对应的尝试的RA次数。假设该尝试的RA次数已经接近接入小区2的能够达到的最高尝试RA次数，那么网络设备1可以据此执行如下操作中的至少一种：调整分配的用于接入小区2时所用的资源、调整接入小区2的能够达到的最高尝试RA次数和调整触发切换至小区2的切换门限。
在另一种实现方式中，前述步骤104中的移动性配置信息中的切换门限信息中包括触发切换至小区2的切换门限信息，该SHR中包括所述终端设备接入小区2，后获得的目标小区的信号质量信息。假设该信号质量信息不佳，那网络设备1可以据此调整，例如抬高接入小区2的切换门限。
如图3所示，为本申请实施例提供的另一种移动性能优化的方法交互流程图。该方法的核心思想与图2所介绍的技术方案是一致的，是在图2基础上的更完整的技术方案，同时揭示了一些步骤对应的具体信令，并且，本技术方案是以普通切换流程为例进行展示的。
201.终端设备向网络设备1发送对邻区的测量结果。
网络设备1给终端设备配置用于切换的相关测量信息，终端设备据此在完成测量之后向网络设备1进行上报。
202.网络设备1向网络设备2发送切换请求。
当满足切换条件时，网络设备1向网络设备2发送切换请求HO request，请求将终端设备从网络设备1的小区1切换至网络设备2的小区2。HO request可以包括小区2的标识、终端设备在网络设备1的小区无线网络临时标识(cell radio network temporary identifier，C-RNTI)，终端设备基于不同的无线接入技术(radio access technology，RAT)能力等的至少一种。
203.网络设备2向网络设备1发送切换应答。
切换应答HO acknowledge即为HO ACK，在一种实现方式中，在DAPS切换流程中，HO acknowledge还可以包括网络设备2是否同意进行DAPS切换的信息。
204.网络设备1对终端设备进行RRC重配。
RRC重配的内容主要包括接入网络设备2的小区2相关的信息，例如小区2的标识、终端设备后续使用的新C-RNTI、接入小区2所用的资源信息等。
205.终端设备基于从网络设备1的小区1切换至网络设备2的小区2检测到成功切换潜在问题，并生成SHR。
206.终端设备向网络设备2发送RRCconfigurationComplete，RRCconfigurationComplete中携带指示信息1。
207.网络设备1接收网络设备2发送通知notification，notification中携带指示信息2。
指示信息2又可以称为SHR指示(indicator)。
208.网络设备1存储该终端设备在网络设备1处的上下文信息。
209.终端设备向网络设备3发送SHR。
210.网络设备3向网络设备1发送SHR。
211.网络设备1基于存储的终端设备在网络设备1处的上下文信息和SHR进行移动性能优化。
步骤205-211的具体细节表述可以参考上述步骤101-107，在此不再赘述。
本申请实施例提供的技术方案，通过目标网络设备在收到终端设备指示本次切换生成SHR时，及时向源网络设备发送指示，以使得源网络设备能够对终端设备在源网络设备处的上下文信息及时存储，以便后续在收到SHR后，将两者结合对移动性能进行优化。由此提高通信系统的移动性能。且直接在源网络设备侧进行存储，可以有效降低不必要地信令开销。
实施例二
实施例一中，源网络设备通过目标网络设备的指示，及时存储本次切换流程中终端设备在网络设备1处的上下文信息，从而保证了基于成功切换潜在问题的移动性能优化。本实施例中，目标网络设备根据终端设备发送的用于指示本次切换流程产生SHR的指示，对终端设备在源网络设备处的上下文信息进行存储，后续发送给源网络设备用于切换成功的潜在问题的移动性能优化。
图4为本申请实施例提供的另一种移动性能优化的方法的交互流程图。其可以应用于图1的场景。该技术方案适用于前述提及的不包括CHO切换在内的任何一种切换流程。需要说明的是，实施例二中的各个网络设备的含义，若非特殊说明，均与实施例一中一致，此处不再赘述。
301.网络设备1向网络设备2发送终端设备在网络设备1处的上下文信息。
网络设备1判决将终端设备从网络设备1的小区1切换至网络设备2的小区2，因为此时网络设备1还未将终端设备在网络设备1处的上下文信息删除，所以将终端设备在网络设备1处的上下文信息发送给网络设备2，以备后续可能需要使用时向网络设备2请求。在一种实现方式中，网络设备1将终端设备在网络设备1处的上下文信息携带在HO request中发送给网络设备2。
在一种实现方式中，由于此时尚无法确认终端设备是否会基于本次切换流程(下文若不特殊指明，则均指从从网络设备1的小区1切换至网络设备2的小区2)生成SHR，可以暂时无需保存终端设备在网络设备1处的上下文信息。
302.终端设备基于从网络设备1的小区1切换至网络设备2的小区2检测到成功切换潜在问题，并生成SHR。
本步骤的具体阐述请参见实施例一中的步骤101。
303.终端设备向网络设备2发送指示信息1。
本步骤的具体阐述请参见实施例一中的步骤102。
304.网络设备2根据指示信息1，存储终端设备在网络设备1处的上下文信息。
当网络设备2根据步骤303中的指示信息1获知本次切换流程中产生了SHR，网络设备2将终端设备在网络设备1处的上下文信息存储下来，以便后续反馈给网络设备1。
在一种实现方式中，执行步骤304后、并且终端设备成功接入小区2后，网络设备2指示网络设备1释放终端设备在网络设备1处的上下文。
终端设备在网络设备1处的上下文信息的具体内容可以参见实施例一中的步骤104。
305.终端设备向网络设备3发送该SHR。
本步骤的具体阐述请参见实施例一中的步骤105。
306.网络设备3向网络设备1发送该SHR。
本步骤的具体阐述请参见实施例一中的步骤106。
307.网络设备1向网络设备2发送请求信息，该请求信息用于请求终端设备在网络设备1处的上下文信息。
由于在接收到SHR之前，网络设备1已经在本地删除了终端设备在网络设备1处的上下文信息，所以为了对移动性能进行优化，需要执行本步骤。
在一种实现方式中，根据SHR中包含的终端设备的信息，网络设备1向网络设备2发送请求信息，该请求消息中包括如下信息中的至少一种：源小区，即小区1的信息、目标小区，即小区2的信息、和终端设备的信息。例如，小区1或小区2的信息可以包括小区1或小区2的频点信息和PCI，或者小区1或小区2的CGI。例如终端设备的信息可以是终端设备的在源网络设备处的C-RNTI和/或在目标网络设备处的C-RNTI。可选的，该请求消息还可以包括本次切换流程的时间信息。本次切换流程的时间信息用于网络设备2确定终端设备接入网络设备2处的时间，便于网络设备2快速定位到网络设备1所请求的终端设备在网络设备1处的上下文信息。
308.网络设备2向网络设备1发送反馈信息，该反馈信息用于反馈终端设备在网络设备1处的上下文信息。
网络设备2将在步骤304中存储的终端设备在网络设备1处的上下文信息发送给网络设备1。
309.网络设备1根据该终端设备在网络设备1处的上下文信息和该SHR进行移动性能优化。
本步骤的具体阐述请参见实施例一中的步骤107。
在一些实现方式中，本实施例的步骤301之前还可以包括是实施例一中图3所示的技术方案中的步骤201，步骤301和302之间还可以包括步骤202和203。具体的表 述请参见实施例一中的相关表述。
本申请实施例的技术方案，如在实施例二中开头所表述的，同样可以实现在切换过程中生成SHR时对源网络设备处的移动性能进行优化的有益效果。
实施例三
实施例三提供的技术方案，与实施例二是类似的，特别地，应用于CHO场景下，源网络设备向CHO切换成功的目标网络设备发送终端设备在源网络设备处的上下文信息，目标网络设备根据终端设备发送的用于指示本次切换流程产生SHR的指示，对终端设备在源网络设备处的上下文信息进行存储，后续发送给源网络设备用于切换成功的潜在问题的移动性能优化。
图5本申请实施例提供的另一种移动性能优化的方法。其可以应用于图1的场景。该技术方案适用于CHO切换流程。需要说明的是，实施例三中的各个网络设备的含义，若非特殊说明，均与实施例一中一致，此处不再赘述。
401.终端设备基于从网络设备1的小区1切换至网络设备2的小区2检测到成功切换潜在问题，并生成SHR。
本步骤的具体阐述请参见实施例一中的步骤101。
402.终端设备向网络设备2发送指示信息1。
本步骤的具体阐述请参见实施例一中的步骤102。
403.网络设备2向网络设备1发送切换成功信息。
切换成功信息用于指示在多个候选小区中，终端设备成功接入的是网络设备2的小区2。网络设备1基于此便可确定，在本次切换流程中终端设备切换成功的目标基站的目标小区时网络设备2的小区2。网络设备还可以通过该消息指示网络设备1释放终端设备在网络设备1处的上下文信息。
404.网络设备1向网络设备2发送终端设备在网络设备1处的上下文信息。
网络设备1在删除终端设备在网络设备1处的上下文信息之前，需要将终端设备在网络设备1处的上下文信息发送给网络设备2。
特别地，在CHO流程下，终端设备在网络设备1处的上下文信息包括的是前述实施例一中步骤104中涉及CHO流程的与终端设备有关的移动性配置信息。例如可以包括用于CHO的候选小区信息、候选小区的接入资源信息和CHO的触发条件信息等。在一种实现方式中，用于CHO的候选小区信息是各个候选小区的CGI，或者各个候选小区的PCI与候选小区对应的频率信息。
405.网络设备2根据指示信息1，存储终端设备在网络设备1处的上下文信息。
本步骤的具体阐述请参见实施例一中的步骤304。
406.终端设备向网络设备3发送该SHR。
本步骤的具体阐述请参见实施例一中的步骤105。
407.网络设备3向网络设备1发送该SHR。
本步骤的具体阐述请参见实施例一中的步骤106。
408.网络设备1向网络设备2发送请求信息，该请求信息用于请求终端设备在网 络设备1处的上下文信息。
本步骤的具体阐述请参见实施例二中的步骤307。
409.网络设备2向网络设备1发送反馈信息，该反馈信息用于反馈终端设备在网络设备1处的上下文信息。
网络设备2将在步骤304中存储的终端设备在网络设备1处的上下文信息重新发送给网络设备1。
410.网络设备1根据该终端设备在网络设备1处的上下文信息和该SHR进行移动性能优化。
本步骤的具体阐述请参见实施例二中的步骤107。
如图6所示，为本申请实施例提供的另一种移动性能优化的方法交互流程图。该方法的核心思想与图5所介绍的技术方案是一致的，是在图5基础上的更完整的技术方案，同时揭示了一些步骤对应的具体信令。
501.终端设备向网络设备1发送对邻区的测量结果。
本步骤的具体阐述请参见实施例一中的步骤201。
502.网络设备1向网络设备2发送CHO请求CHO request。
网络设备1可以向多个满足CHO触发条件的候选小区对应的网络设备发送CHO request，网络设备2是其中一个。
503.网络设备2向网络设备1发送CHO请求应答CHO request acknowledge。
网络设备2接受网络设备1的CHO请求，并反馈CHO request acknowledge。
504.网络设备1向终端设备发送CHO配置信息。
CHO配置信息即为步骤104中在CHO场景下的与终端设备有关的移动性配置信息。也即候选小区信息、候选小区的接入资源信息和CHO的触发条件信息等。
505.终端设备基于从网络设备1的小区1切换至网络设备2的小区2检测到成功切换潜在问题，并生成SHR。
506.终端设备向网络设备2发送RRCconfigurationComplete，RRCconfigurationComplete中携带指示信息1。
507.网络设备2向网络设备1发送切换成功HO success。
由于网络设备1之前向多个满足CHO触发条件的候选小区对应的网络设备发送CHO request，其并不知道终端设备最终切换至的网络设备的小区是哪一个。当执行了本步骤之后，网络设备1才能确定终端设备接入的是网络设备2的小区2。
本步骤的其它表述，可以参见本实施例中的步骤403。
508.网络设备1向网络设备2发送终端设备在网络设备1处的上下文信息。
509.网络设备2根据指示信息1，存储终端设备在网络设备1处的上下文信息。
510.终端设备向网络设备3发送SHR。
511.网络设备3向网络设备1发送SHR。
512.网络设备1向网络设备2发送请求信息，该请求信息用于请求终端设备在网络设备1处的上下文信息。
513.网络设备2向网络设备1发送反馈信息，该反馈信息用于反馈终端设备在网 络设备1处的上下文信息。
514.网络设备1基于终端设备在网络设备1处的上下文信息和SHR进行移动性能优化。
步骤508-514的具体细节表述可以参考上述步骤404-410，在此不再赘述。
本申请实施例的技术方案，如在实施例三中开头所表述的，同样可以实现在切换过程中生成SHR时对源网络设备处的移动性能进行优化的有益效果。
上述本申请提供的实施例中，包括了源网络设备、目标网络设备、终端设备和接收网络设备作为执行主体的角度对本申请实施例提供的通信方法进行了介绍。为了实现上述本申请实施例提供的通信方法中的各功能，以上这些设备可以包括硬件结构和/或软件模块，以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能以硬件结构、软件模块、还是硬件结构加软件模块的方式来执行，取决于技术方案的特定应用和设计约束条件。
与上述构思相同，如图7所示，本申请实施例还提供一种通信装置1100，该通信装置1100包括收发模块1101和处理模块1102。
一示例中，通信装置1100用于实现上述本申请实施例一至三方法中网络设备1、网络设备2、终端设备或者网络设备3的功能。该装置可以是网络设备1、网络设备2、终端设备或者网络设备3，也可以是网络设备1、网络设备2、终端设备或者网络设备3中的装置。其中，该装置可以为芯片系统。本申请实施例中，芯片系统可以由芯片构成，也可以包含芯片和其他分立器件。
例如，当通信装置1100用于实现网络设备1的功能时，收发模块1101用于接收来自网络设备2的指示信息，所述指示信息用于指示终端设备基于网络设备1的小区1切换至网络设备2的小区2生成SHR；处理模块1102用于根据所述指示信息，存储所述终端设备在所述网络设备1处的上下文信息；收发模块1101还用于接收来自网络设备3的该SHR；处理模块1102还用于根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR进行移动性能优化。
又例如，当通信装置1100用于实现网络设备1的功能时，收发模块1101用于向网络设备2发送终端设备在网络设备1处的上下文信息；接收来自网络设备3的SHR，该SHR为终端设备基于切换至所述网络设备1的小区1切换至网络设备2的小区2生成的；向网络设备2发送请求信息，所述请求信息用于请求所述终端设备在所述第一网络设备处的上下文信息；接收来自网络设备2的反馈信息，所述反馈信息用于反馈所述终端设备在所述网络设备1处的上下文信息；处理模块1102用于根据所述终端设备在网络设备1处的上下文信息和所述SHR进行移动性能优化。
又例如，当通信装置1100用于实现网络设备2的功能时，处理模块1102用于控制收发模块1101接收来自终端设备的第一指示信息，所述第一指示信息用于指示所述终端设备基于从网络设备1的小区1切换至网络设备2的小区2生成SHR；向网络设备1发送第二指示信息，所述第二指示信息用于指示所述SHR。
又例如，当通信装置1100用于实现网络设备2的功能时，收发模块1101用于接收来自网路设备1的终端设备在网络设备1处的上下文信息；处理模块1102用于存储所述终端设备在网络设备1处的上下文信息；收发模块1101还用于向所述网络设备3发送反馈信息，反馈信息用于反馈终端设备在网络设备1处的上下文信息。
再例如，当通信装置1100用于实现终端设备的功能时，处理模块1102用于基于从网络设备1的小区1切换至网络设备2的小区2检测到成功切换潜在问题，并生成SHR，收发设备1101用于向网络设备2发送指示信息1，该指示信息1用于指示终端设备基于从网络设备1的小区1切换至网络设备2的小区2生成SHR。在一种实现方式中，该指示信息1包括用于指示该SHR对应的切换流程的字段。
关于收发模块1101、处理模块1102的更详细的表述，可参见上实施例一至三中的记载。
本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，另外，在本申请各个实施例中的各功能模块可以集成在一个处理器中，也可以是单独物理存在，也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。
与上述构思相同，如图8所示，本申请实施例还提供一种通信装置1200。
一示例中，该通信装置1200用于实现上述本申请实施例一至三方法中网络设备1、网络设备2、终端设备或者网络设备3的功能。该装置可以是网络设备1、网络设备2、终端设备或者网络设备3，也可以是网络设备1、网络设备2、终端设备或者网络设备3中的装置。通信装置1200包括至少一个处理器1201，用于实现上述方法中终端设备的功能。具体参见方法中的详细描述，此处不再说明。
在一些实施例中，通信装置1200还可以包括至少一个存储器1202，用于存储程序指令和/或数据。存储器1202和处理器1201耦合。本申请实施例中的耦合是装置、单元或模块之间的间隔耦合或通信连接，可以是电性，机械或其它的形式，用于装置、单元或模块之间的信息交互。作为另一种实现，存储器1202还可以位于通信装置1200之外。处理器1201可以和存储器1202协同操作。处理器1201可能执行存储器1202中存储的程序指令，用于实现本申请上述实施例中的方法。所述至少一个存储器中的至少一个可以包括于处理器中。
在一些实施例中，通信装置1200还可以包括通信接口1203，用于通过传输介质和其它设备进行通信，从而用于通信装置1200中的装置可以和其它设备进行通信。示例性地，通信接口1203可以是收发器、电路、总线、模块或其它类型的通信接口，该其它设备可以是网络设备。处理器1201利用通信接口1203收发数据，并用于实现上述实施例中的方法。
在一些实施例中，通信装置1200还可以包括至少一个存储器1202，用于存储程序指令和/或数据。存储器1202和处理器1201耦合。本申请实施例中的耦合是装置、单元或模块之间的间隔耦合或通信连接，可以是电性，机械或其它的形式，用于装置、 单元或模块之间的信息交互。作为另一种实现，存储器1202还可以位于通信装置1200之外。处理器1201可以和存储器1202协同操作。处理器1201可能执行存储器1202中存储的程序指令。所述至少一个存储器中的至少一个可以包括于处理器中。
在一些实施例中，通信装置1200还可以包括通信接口1203，用于通过传输介质和其它设备进行通信，从而用于通信装置1200中的装置可以和其它设备进行通信。示例性地，通信接口1203可以是收发器、电路、总线、模块或其它类型的通信接口，该其它设备可以是终端设备。处理器1201利用通信接口1203收发数据，并用于实现上述实施例中的方法。
本申请实施例中不限定上述通信接口1203、处理器1201以及存储器1202之间的连接介质。例如，本申请实施例存储器1202、处理器1201以及通信接口1203之间可以通过总线连接，所述总线可以分为地址总线、数据总线、控制总线等。
在本申请实施例中，处理器可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
在本申请实施例中，存储器可以是非易失性存储器，比如硬盘(hard disk drive，HDD)或固态硬盘(solid-state drive，SSD)等，还可以是易失性存储器(volatile memory)，例如随机存取存储器(random-access memory，RAM)。存储器是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。本申请实施例中的存储器还可以是电路或者其它任意能够实现存储功能的装置，用于存储程序指令和/或数据。
本申请实施例提供的方法中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、网络设备、用户设备或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line，简称DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机可以存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如，软盘、硬盘、磁带)、光介质(例如，数字视频光盘(digital video disc，简称DVD))、或者半导体介质(例如,SSD)等。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之 内，则本申请也意图包含这些改动和变型在内。

Claims (30)

  1. 一种移动性能优化的方法，其特征在于，包括：
    接收来自第二网络设备的指示信息，所述指示信息用于指示终端设备基于第一网络设备的第一小区切换至所述第二网络设备的第二小区生成成功切换报告SHR；
    根据所述指示信息，存储所述终端设备在所述第一网络设备处的上下文信息；
    接收来自第三网络设备的所述SHR，所述第三网络设备为所述终端设备在发送所述SHR时连接的网络设备；
    根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR进行移动性能优化。
  2. 一种移动性能优化的方法，其特征在于，包括：
    向第二网络设备发送终端设备在第一网络设备处的上下文信息；
    接收来自第三网络设备的成功切换报告SHR，所述SHR为终端设备基于切换至所述第一网络设备的第一小区切换至所述第二网络设备的第二小区生成，所述第三网络设备为所述终端设备在发送所述SHR时所连接的网络设备；
    向所述第二网络设备发送请求信息，所述请求信息用于请求所述终端设备在所述第一网络设备处的上下文信息；
    接收来自所述第二网络设备的反馈信息，所述反馈信息用于反馈所述终端设备在所述第一网络设备处的上下文信息；
    根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR进行移动性能优化。
  3. 如权利要求2所述的方法，其特征在于，还包括：
    接收来自所述第二网络设备的切换成功信息，所述切换成功信息用于指示所述终端设备成功切换至所述第二小区。；
  4. 如权利要求2或者3所述的方法，其特征在于，所述请求信息包括所述终端设备的信息。
  5. 如权利要求4所述的方法，其特征在于，所述请求信息还包括所述第一网络设备的信息、所述第二小区的信息和所述切换流程的时间信息中的至少一种。
  6. 如权利要求1至5任一所述的方法，其特征在于，所述终端设备在所述第一网络设备处的上下文信息包括与所述终端设备有关的移动性配置信息。
  7. 如权利要求6所述的方法，其特征在于，所述移动性配置信息包括切换门限信息、切换资源信息、切换偏置信息和迟滞信息的至少一种；或者，
    所述移动性配置信息包括条件切换配置信息。
  8. 如权利要求7所述的方法，其特征在于，所述条件切换配置信息包括条件切换候选小区信息和条件切换触发条件信息。
  9. 如权利要求1至8任一所述的方法，其特征在于，所述SHR包括所述第一网络设备的信息。
  10. 如权利要求1至9任一所述的方法，其特征在于，所述第三网络设备与所述第二网络设备是同一网络设备。
  11. 如权利要求6至10任一所述的方法，其特征在于，所述移动性配置信息包括 所述终端设备接入所述第二小区所用的资源信息、能够尝试的最大随机接入次数和切换门限中的至少一种，所述SHR包括所述终端设备接入所述第二小区尝试的随机接入次数；
    根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR优化移动性能包括：根据所述尝试的随机接入次数，确定调整如下的至少一种：调整分配的接入所述小区所用的资源、所述能够尝试的最大随机接入次数和切换门限。
  12. 如权利要求7至11任一所述的方法，其特征在于，所述切换门限信息包括所述终端设备接入所述第二小区的切换门限，所述SHR包括所述终端设备接入所述第二小区获后获得的所述第二小区的信道质量信息；
    根据所述终端设备在所述第一网络设备处的上下文信息和所述SHR优化移动性能包括：根据所述第二小区的信道质量信息，确定调整所述切换门限。
  13. 一种信息指示的方法，其特征在于，包括：
    接收来自终端设备的第一指示信息，所述第一指示信息用于指示所述终端设备基于从第一网络设备的第一小区切换至第二网络设备的第二小区生成成功切换报告SHR；
    向所述第一网络设备发送第二指示信息，所述第二指示信息用于指示所述SHR。
  14. 一种信息指示的方法，其特征在于，包括：
    接收来自第一网络设备的终端设备在所述第一网络设备处的上下文信息；
    存储所述终端设备在所述第一网络设备处的上下文信息；
    接收来自所述第一网络设备的请求信息，所述请求信息用于请求所述终端设备在所述第一网络设备处的上下文信息；
    向所述第三网络设备发送反馈信息，所述反馈信息用于反馈所述终端设备在所述第一网络设备处的上下文信息。
  15. 如权利要求14所述的方法，其特征在于，还包括：
    接收所述终端设备发送的指示信息，所述指示信息用于指示所述终端设备基于从所述第一网络设备的第一小区切换至所述第二网络设备的第二小区生成成功切换报告SHR。
  16. 如权利要求15所述的方法其特征在于，所述指示信息包括所述SHR所对应的切换信息。
  17. 如权利要求14至16任一所述的方法，其特征在于，还包括：
    向所述第一网络设备发送切换成功信息，所述切换成功信息用于指示所述终端设备成功切换至所述第二小区。
  18. 如权利要求14至17任一所述的方法，其特征在于，所述请求信息包括所述终端设备的信息。
  19. 如权利要求18所述的方法，其特征在于，所述请求信息还包括所述第一网络设备的信息、所述二小区的信息和所述切换的时间信息中的至少一种。
  20. 如权利要求13至19任一所述的方法，其特征在于，所述终端设备在所述第一网络设备处的上下文信息包括与所述终端设备有关的移动性配置信息。
  21. 如权利要求20所述的方法，其特征在于，所述移动性配置信息包括切换门限信息、切换资源信息、切换偏置信息和迟滞信息的至少一种；或者，
    所述移动性配置信息包括条件切换配置信息。
  22. 如权利要求21所述的方法，其特征在于，所述条件切换配置信息包括条件切换候选小区信息和条件切换触发条件信息。
  23. 如权利要求13至22任一所述的方法，其特征在于，所述SHR包括所述第一网络设备的信息。
  24. 如权利要求13至23任一所述的方法，其特征在于，还包括：
    接收来自所述终端设备的所述SHR；
    向所述第一网络设备发送所述SHR。
  25. 一种通信装置，其特征在于，包括用于实现如权利要求1至12任一方法的单元或者模块。
  26. 一种通信装置，其特征在于，包括用于实现如权利要求13至24任一方法的单元或者模块。
  27. 一种通信装置，其特征在于，包括处理器和存储器，所述存储器中存储有指令，所述处理器执行所述指令时，使得所述装置执行权利要求1至12任一项所述的方法。
  28. 一种通信装置，其特征在于，包括处理器和存储器，所述存储器中存储有指令，所述处理器执行所述指令时，使得所述装置执行权利要求13至24任一项所述的方法。
  29. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储有指令，当所述指令在计算机上运行时，使得计算机执行权利要求1至24任一项所述的方法。
  30. 一种通信系统，其特征在于，包括如权利要求27的权利要求28所述的通信装置。
PCT/CN2022/078572 2021-04-28 2022-03-01 一种优化移动性能的方法及通信装置 WO2022227841A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP22794321.4A EP4311308A1 (en) 2021-04-28 2022-03-01 Mobility performance optimization method and communication apparatus
US18/493,942 US20240080741A1 (en) 2021-04-28 2023-10-25 Mobility performance optimization method and communication apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110466874.6A CN115250487A (zh) 2021-04-28 2021-04-28 一种优化移动性能的方法及通信装置
CN202110466874.6 2021-04-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/493,942 Continuation US20240080741A1 (en) 2021-04-28 2023-10-25 Mobility performance optimization method and communication apparatus

Publications (1)

Publication Number Publication Date
WO2022227841A1 true WO2022227841A1 (zh) 2022-11-03

Family

ID=83697584

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/078572 WO2022227841A1 (zh) 2021-04-28 2022-03-01 一种优化移动性能的方法及通信装置

Country Status (4)

Country Link
US (1) US20240080741A1 (zh)
EP (1) EP4311308A1 (zh)
CN (1) CN115250487A (zh)
WO (1) WO2022227841A1 (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111491338A (zh) * 2019-01-28 2020-08-04 华为技术有限公司 上下文存储方法及装置
WO2020167237A1 (en) * 2019-02-14 2020-08-20 Telefonaktiebolaget Lm Ericsson (Publ) Reporting of successful handover to a target cell
CN112399444A (zh) * 2019-08-16 2021-02-23 华为技术有限公司 数据传输方法及相关设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111491338A (zh) * 2019-01-28 2020-08-04 华为技术有限公司 上下文存储方法及装置
WO2020167237A1 (en) * 2019-02-14 2020-08-20 Telefonaktiebolaget Lm Ericsson (Publ) Reporting of successful handover to a target cell
CN112399444A (zh) * 2019-08-16 2021-02-23 华为技术有限公司 数据传输方法及相关设备

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CATT: "Discussion on successful handover report", 3GPP DRAFT; R3-206144, vol. RAN WG3, 23 October 2020 (2020-10-23), pages 1 - 3, XP051945728 *

Also Published As

Publication number Publication date
US20240080741A1 (en) 2024-03-07
CN115250487A (zh) 2022-10-28
EP4311308A1 (en) 2024-01-24

Similar Documents

Publication Publication Date Title
US11184811B2 (en) Method and device for anchor replacement
JP2021185665A (ja) 目標セルアクセス方法及び装置
US20200305224A1 (en) Service Processing Method and Apparatus
RU2763519C2 (ru) Способ передачи обслуживания, терминальное устройство и сетевое устройство
US11665601B2 (en) Method for handover report and terminal device
WO2022199371A1 (zh) 小区切换方法及装置、存储介质、用户设备、基站设备
KR20200140941A (ko) 데이터 처리 방법 및 관련 장치
WO2022007484A1 (zh) 重定向方法、网络设备、终端设备及可读存储介质
WO2014101042A1 (zh) 基于重定向的电路域回落的通信方法及通信装置
WO2022068485A1 (zh) 用于双连接中PSCell条件更新的配置方法及装置、存储介质、基站、终端
US20210360503A1 (en) Method for radio communication and terminal device
US11611925B2 (en) Switching processing method, terminal device and network device
US20230262567A1 (en) Communication Method and Communication Apparatus
WO2020248283A1 (zh) 无线通信方法、装置和终端设备
WO2022083411A1 (zh) 辅小区变换的错误类型的判定方法及设备
WO2022083469A1 (zh) 一种mro临界场景的判定方法、装置及设备
WO2022227841A1 (zh) 一种优化移动性能的方法及通信装置
US9826476B2 (en) Method and apparatus for activating an inactive cell
WO2023011612A1 (zh) 移动性管理的方法及通信装置
WO2019140561A1 (zh) 一种切换方法及装置、计算机存储介质
WO2023040787A1 (zh) 小区切换方法及通信装置
WO2023179736A1 (zh) 通信方法和通信装置
WO2023131280A1 (zh) 信息记录方法、通信装置、以及计算机存储介质
WO2024093931A1 (zh) 一种通信方法及装置
WO2024061165A1 (zh) 通信方法及通信装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22794321

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2022794321

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2022794321

Country of ref document: EP

Effective date: 20231018

NENP Non-entry into the national phase

Ref country code: DE