WO2024164256A1 - 处理方法、通信设备及存储介质 - Google Patents
处理方法、通信设备及存储介质 Download PDFInfo
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- WO2024164256A1 WO2024164256A1 PCT/CN2023/075267 CN2023075267W WO2024164256A1 WO 2024164256 A1 WO2024164256 A1 WO 2024164256A1 CN 2023075267 W CN2023075267 W CN 2023075267W WO 2024164256 A1 WO2024164256 A1 WO 2024164256A1
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- cell
- candidate
- measurement
- candidate cell
- current serving
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
- H04W36/087—Reselecting an access point between radio units of access points
Definitions
- the present application relates to the field of communication technology, and in particular to a processing method, a communication device and a storage medium.
- Measurement delay refers to the time required for the UE to perform measurement, trigger measurement report and trigger cell switching after a better cell appears, which contributes to the smoothing mobility delay.
- the inventors found that there are at least the following problems:
- LTM L1/L2-triggered mobility
- the L1 measurement delay is a part of the overall mobility delay.
- L1 measurement/reporting is used to trigger LTM to reduce the measurement delay
- frequent ping-pong switching may occur due to unstable L1 measurement. Therefore, it is necessary to propose a solution to solve the technical problem of ping-pong switching caused by using L1 measurement/reporting to trigger LTM and reduce the mobility delay.
- the main purpose of the present application is to provide a processing method, a communication device and a storage medium, aiming to solve the technical problem of ping-pong switching caused by using L1 measurement/reporting to trigger LTM and reduce mobility delay.
- the present application provides a processing method, which can be applied to a communication device (such as a terminal, specifically a mobile phone), comprising the steps of:
- S20 Execute a preset process based on the candidate cell grouping information.
- step S20 comprises the steps of:
- S21 Determine processing parameters according to the serving cell and candidate cell grouping information
- candidate cells in the same DU are in the same group.
- candidate cells in different DUs are in different groups.
- the candidate cells include a current serving cell.
- the method further includes: determining or judging whether to determine processing parameters according to the candidate cell grouping information.
- the step S21 includes at least one of the following:
- the first set of processing parameters is used
- the second set of processing parameters is used.
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient are not used;
- measurement hysteresis and/or measurement trigger time and/or filter coefficient are used;
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient of the second preset value are adopted.
- the step S20 includes at least one of the following:
- RLC reestablishment and/or MAC restart and/or partial MAC restart are not performed;
- the method further comprises at least one of the following:
- the present application also proposes a processing method, which can be applied to a communication device (such as a network device, specifically a base station), comprising the steps of:
- S10 Send candidate cell grouping information, so that the terminal performs preset processing based on the candidate cell grouping information.
- step S10 includes:
- the candidate cell grouping information is sent so that the terminal can determine processing parameters according to the serving cell and the candidate cell grouping information, and perform preset processing based on the processing parameters.
- Candidate cells in the same DU are in the same group;
- Candidate cells in different DUs are in different groups;
- the candidate cells include the current serving cell
- the first set of processing parameters is used
- the second set of processing parameters is used.
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient are not used;
- measurement hysteresis and/or measurement trigger time and/or filter coefficient are used;
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient of the second preset value are adopted.
- a handover command is issued so that the terminal can perform L1/L2-based inter-cell handover;
- a command is issued to activate or delete the candidate cell; optionally, the measurement report is sent by the terminal after determining that the candidate cell meets the measurement report reporting conditions based on the processing parameters.
- the deactivation or deletion command or activation command is issued through the switching command.
- the present application also provides a processing device, comprising:
- the execution module is used to execute preset processing based on the candidate cell grouping information.
- the present application also provides a processing device, comprising:
- the sending module is used to send the candidate cell grouping information so that the terminal can perform preset processing based on the candidate cell grouping information.
- the present application also provides a communication device, including: a memory, a processor, and a processing program stored in the memory and executable on the processor, wherein the processing program implements the steps of any of the above-mentioned processing methods when executed by the processor.
- the communication device of the present application may be a terminal (such as a mobile phone) or a network device (such as a base station), and the specific reference needs to be clarified in combination with the context.
- the present application also provides a storage medium, on which a computer program is stored.
- a computer program is stored.
- the steps of any of the above-mentioned processing methods are implemented.
- An embodiment of the present application further provides a computer program product, which includes a computer program code.
- the computer program code When the computer program code is executed on a computer, the computer executes the steps of any of the above-mentioned processing methods.
- An embodiment of the present application also provides a chip, including a memory and a processor, the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device equipped with the chip executes the steps of any of the above-mentioned processing methods.
- the technical solution of the present application sends candidate cell grouping information through a network device, and the terminal performs preset processing based on the candidate cell grouping information. There is no need to reconfigure the measurement configuration from the current serving cell to other candidate cells each time, which can reduce the impact of ping-pong switching on L1/L2 inter-cell mobility, and/or reduce measurement delay and/or signaling overhead.
- FIG1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application.
- FIG2 is a diagram of a communication network system architecture provided in an embodiment of the present application.
- FIG3 is a schematic diagram of the hardware structure of the controller 140 involved in the processing method embodiment of the present application.
- FIG4 is a schematic diagram of the hardware structure of the network node 150 involved in the processing method embodiment of the present application.
- FIG5 is a schematic diagram of the interaction process between the terminal and the network device in the processing method embodiment of the present application.
- FIG6 is a schematic diagram of a flow chart of a second embodiment of the processing method of the present application.
- FIG. 7 is a schematic diagram of a scenario involved in an embodiment of the processing method of the present application.
- first, second, third, etc. may be used to describe various information in this article, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as the second information
- second information may also be referred to as the first information.
- word “if” as used herein can be interpreted as “at the time of -- or "when" or "in response to determination”.
- singular forms “one”, “one” and “the” are intended to also include plural forms, unless there is an opposite indication in the context.
- A, B, C means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C
- A, B or C or "A, B and/or C” means "any of the following: A; B; C; A and B; A and C; B and C; A and B and C”.
- An exception to this definition will only occur when a combination of elements, functions, steps or operations are inherently mutually exclusive in some manner.
- the words “if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining” or “in response to detecting”.
- step codes such as S10 and S20 are used for the purpose of expressing the corresponding content more clearly and concisely, and do not constitute a substantial limitation on the sequence.
- S20 When implementing the step, those skilled in the art may execute S20 first and then S10, etc., but these should all be within the scope of protection of this application.
- module means, “component” or “unit” used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, “module”, “component” or “unit” can be used in a mixed manner.
- the communication device mentioned in this application can be a terminal (such as a mobile phone) or a network device (such as a base station).
- a terminal such as a mobile phone
- a network device such as a base station
- the terminal may be implemented in various forms.
- the terminal described in the present application may include smart terminals such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs and desktop computers.
- smart terminals such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs and desktop computers.
- PDAs portable media players
- navigation devices wearable devices
- smart bracelets smart bracelets
- pedometers pedometers
- fixed terminals such as digital TVs and desktop computers.
- FIG1 is a schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application.
- the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an A/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111.
- RF Radio Frequency
- the radio frequency unit 101 can be used for receiving and sending signals during information transmission or calls. Specifically, after receiving the downlink information of the base station, it is sent to the processor 110 for processing; in addition, the uplink data is sent to the base station.
- the radio frequency unit 101 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
- the radio frequency unit 101 can also communicate with the network and other devices through wireless communication.
- the above-mentioned wireless communications may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution) and 5G, etc.
- GSM Global System of Mobile communication
- GPRS General Packet Radio Service
- CDMA2000 Code Division Multiple Access 2000
- WCDMA Wideband Code Division Multiple Access
- TD-SCDMA Time Division-Synchronous Code Division Multiple Access
- FDD-LTE Frequency Division Duplexing-Long Term Evolution
- TDD-LTE Time Division Duplexing-Long Term Evolution
- 5G etc.
- WiFi is a short-range wireless transmission technology.
- the mobile terminal can help users send and receive emails, It provides users with wireless broadband Internet access, such as browsing web pages and accessing streaming media.
- FIG1 shows a WiFi module 102, it is understandable that it is not a necessary component of the mobile terminal and can be omitted as needed without changing the essence of the invention.
- the audio output unit 103 can convert the audio data received by the RF unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output it as sound when the mobile terminal 100 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the mobile terminal 100 (for example, a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.
- the A/V input unit 104 is used to receive audio or video signals.
- the A/V input unit 104 may include a graphics processor (GPU) 1041 and a microphone 1042, and the graphics processor 1041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
- the processed image frame can be displayed on the display unit 106.
- the image frame processed by the graphics processor 1041 can be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the WiFi module 102.
- the microphone 1042 can receive sound (audio data) via the microphone 1042 in the operation modes such as the telephone call mode, the recording mode, the voice recognition mode, etc., and can process such sound into audio data.
- the processed audio (voice) data can be converted into a format output that can be sent to a mobile communication base station via the radio frequency unit 101 in the case of the telephone call mode.
- the microphone 1042 can implement various types of noise elimination (or suppression) algorithms to eliminate (or suppress) noise or interference generated in the process of receiving and sending audio signals.
- the mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light
- the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 is moved to the ear.
- the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary.
- sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc.
- the display unit 106 is used to display information input by the user or information provided to the user.
- the display unit 106 may include a display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 107 can be used to receive input digital or character information, and generate key signal input related to the user settings and function control of the mobile terminal.
- the user input unit 107 may include a touch panel 1071 and other input devices 1072.
- the touch panel 1071 also known as a touch screen, can collect user touch operations on or near it (such as operations performed by the user using fingers, stylus, or any other suitable object or accessory on or near the touch panel 1071), and drive the corresponding connection device according to a pre-set program.
- the touch panel 1071 may include two parts: a touch detection device and a touch controller.
- the touch detection device detects the user's touch direction, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch signal from the touch detection device.
- the user input unit 107 can receive and execute commands sent by the processor 110.
- the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave.
- the user input unit 107 can also include other input devices 1072.
- the other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, a function key (such as a volume control key, a switch key, etc.), a trackball, a mouse, a joystick, etc., which are not specifically limited here.
- a function key such as a volume control key, a switch key, etc.
- a trackball such as a mouse, a joystick, etc.
- the touch panel 1071 may cover the display panel 1061.
- the touch panel 1071 detects a touch operation on or near it, it is transmitted to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event.
- the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated to implement the input and output functions of the mobile terminal, which is not limited here.
- the interface unit 108 serves as an interface through which at least one external device can be connected to the mobile terminal 100.
- the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input/output (I/O) port, a video I/O port, a headphone port, etc.
- the interface unit 108 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and an external device.
- the memory 109 can be used to store software programs and various data.
- the memory 109 can mainly include a program storage area and a data storage area.
- the program storage area can store an operating system, an application required for at least one function (such as a sound playback function, an image playback function, etc.), etc.;
- the data storage area can store data created according to the use of the mobile phone (such as audio data, a phone book, etc.), etc.
- the memory 109 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.
- the processor 110 is the control center of the mobile terminal.
- the processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor.
- the application processor mainly processes the operating system, the user interface and the application program, etc.
- the modem processor mainly processes wireless communication. It is understandable that the above-mentioned modem processor may not be integrated into the processor 110 .
- the mobile terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components.
- a power supply 111 (such as a battery) for supplying power to various components.
- the power supply 111 may be logically connected to the processor 110 via a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system.
- the mobile terminal 100 may further include a Bluetooth module, etc., which will not be described in detail herein.
- the communication network system is an LTE system of universal mobile communication technology.
- the LTE system includes UE (User Equipment, user equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, Evolved UMTS Terrestrial radio access network) 202, EPC (Evolved Packet Core) 203 and operator's IP service 204.
- UE User Equipment, user equipment
- E-UTRAN Evolved UMTS Terrestrial Radio Access Network
- EPC Evolved Packet Core
- UE201 may be the above-mentioned terminal 100, which will not be described in detail here.
- E-UTRAN 202 includes eNodeB 2021 and other eNodeBs 2022 , etc.
- eNodeB 2021 may be connected to other eNodeBs 2022 via a backhaul (eg, an X2 interface), and eNodeB 2021 is connected to EPC 203 , and eNodeB 2021 may provide UE 201 with access to EPC 203 .
- a backhaul eg, an X2 interface
- EPC203 may include MME (Mobility Management Entity) 2031, HSS (Home Subscriber Server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, PGW (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function) 2036.
- MME 2031 is a control node that processes signaling between UE 201 and EPC 203, providing bearer and connection management.
- HSS 2032 is used to provide some registers to manage functions such as home location register (not shown in the figure), and save some user-specific information such as service features and data rates. All user data can be sent through SGW2034.
- PGW2035 can provide IP address allocation and other functions for UE 201.
- PCRF2036 is the policy and charging control policy decision point for service data flow and IP bearer resources. It selects and provides available policy and charging control decisions for the policy and charging execution functional unit (not shown in the figure).
- IP service 204 may include the Internet, intranet, IMS (IP Multimedia Subsystem) or other IP services.
- IMS IP Multimedia Subsystem
- Fig. 3 is a schematic diagram of the hardware structure of a controller 140 provided in the present application.
- the controller 140 includes: a memory 1401 and a processor 1402, the memory 1401 is used to store program instructions, and the processor 1402 is used to call the program instructions in the memory 1401 to execute the steps performed by the controller in the first embodiment of the above method, and its implementation principle and beneficial effects are similar, which will not be repeated here.
- the controller further includes a communication interface 1403, which can be connected to the processor 1402 via a bus 1404.
- the processor 1402 can control the communication interface 1403 to implement the receiving and sending functions of the controller 140.
- Figure 4 is a schematic diagram of the hardware structure of a network node 150 provided in the present application.
- the network node 150 includes: a memory 1501 and a processor 1502, the memory 1501 is used to store program instructions, and the processor 1502 is used to call the program instructions in the memory 1501 to execute the steps performed by the first node in the first embodiment of the above method.
- the implementation principle and beneficial effects are similar and will not be repeated here.
- the controller further includes a communication interface 1503, which can be connected to the processor 1502 via a bus 1504.
- the processor 1502 can control the communication interface 1503 to implement the receiving and sending functions of the network node 150.
- the integrated module implemented in the form of the software function module can be stored in a computer-readable storage medium.
- the software function module is stored in a storage medium and includes several instructions for enabling a computer device (which can be A personal computer, server, or network device, etc.) or a processor (English: processor) executes some steps of the methods of each embodiment of the present application.
- the first embodiment of the present application proposes a processing method, including the steps of:
- the network device sends candidate cell grouping information, so that the terminal performs preset processing based on the candidate cell grouping information;
- S20 the terminal performs preset processing based on the candidate cell grouping information.
- the processing method of the embodiment of the present application can be applied to a terminal (such as a mobile phone) or to a network device (such as a base station).
- a terminal such as a mobile phone
- a network device such as a base station.
- This embodiment takes into account that, assuming that L1 measurement/reporting is used to trigger L1/L2 inter-cell mobility to reduce measurement delay, frequent ping-pong switching may occur due to unstable L1 measurement.
- measurement hysteresis Hysteresis, a parameter used in the entry and exit conditions of event triggering report conditions
- measurement trigger time TimeToTrigger, the time that the specific criteria of the event need to be met in order to trigger the measurement report
- filter coefficient filterCoefficient, measurement filter coefficient
- the terminal performs L1/L2 inter-cell mobility, it retains the previous candidate cell configuration and continues LTM.
- the embodiment of the present application can solve the problem of the impact of ping-pong switching caused by using L1 measurement/reporting to trigger LTM, reduce the impact of ping-pong switching on L1/L2 inter-cell mobility, and/or reduce measurement delay and/or signaling overhead.
- the candidate cell grouping information is sent through a network device, so that the terminal performs a preset process based on the candidate cell grouping information.
- the candidate cell grouping information means that the candidate cells in the same DU are in the same group and/or the candidate cells in different DUs are in different groups.
- the network device can assign a group ID to each candidate cell, assign the same group ID to the candidate cells in the same DU, and/or assign different group IDs to the candidate cells in different DUs.
- the candidate cell grouping information is sent by a network device, and the terminal receives the candidate cell grouping information sent by the network device and performs preset processing based on the candidate cell grouping information.
- the preset processing includes: performing L1/L2-based inter-cell mobility.
- executing L1/L2-based inter-cell mobility may include: the terminal executing L1/L2-based inter-cell mobility measurement, measuring and reporting, the network device sending a switching command according to the measurement report and/or the terminal performing inter-cell switching after receiving the switching command and executing RLC reconstruction, MAC restart, etc.
- candidate cell grouping information is sent through a network device, and the terminal performs preset processing based on the candidate cell grouping information. There is no need to reconfigure the measurement configuration from the current serving cell to other candidate cells each time, which can reduce the impact of ping-pong switching on L1/L2 inter-cell mobility, and/or reduce measurement delay and/or signaling overhead.
- step S20 proposes a processing method, based on the embodiment shown in FIG. 5 above, step S20, including the steps of:
- S21 The terminal determines processing parameters according to the serving cell and candidate cell grouping information
- S22 The terminal performs a preset process based on the processing parameters.
- the processing parameters include measurement parameters.
- step S20 may include the steps of:
- the terminal determines the measurement parameters according to the serving cell and the candidate cell grouping information
- the terminal performs L1/L2-based inter-cell mobility measurement and reporting based on the measurement parameters.
- the measurement parameter includes at least one of the following:
- the method further includes: the terminal determining or judging whether to determine a processing parameter according to the candidate cell grouping information.
- the terminal determines or judges whether to determine the measurement parameter according to the candidate cell grouping information.
- this embodiment performs corresponding grouping according to whether the candidate cells are in the same DU, with the aim of reducing mobility delay and reducing measurement delay while reducing ping-pong switching.
- the embodiment of the present application further includes at least one of the following:
- Candidate cells in the same DU are in the same group;
- Candidate cells in different DUs are in different groups;
- the candidate cells include the current serving cell.
- the network device may assign a group ID to each candidate cell, assign the same group ID to candidate cells in the same DU, and/or assign different group IDs to candidate cells in different DUs.
- the step S21 includes at least one of the following:
- the first set of processing parameters is used
- the second set of processing parameters is used.
- the measurement hysteresis and/or the measurement trigger time and/or the filter coefficient are not used;
- measurement hysteresis and/or measurement trigger time and/or filter coefficient are used;
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient of the second preset value are adopted.
- the second preset value is greater than the first preset value.
- the ping-pong handover has little impact on the intra-DU, and Hysteresis, TimeToTrigger, or a smaller value may not be used. filterCoefficient.
- the RLC/MAC of the serving cell and the candidate cell are located in different DUs, RLC reconstruction and MAC restart are required during switching, so ping-pong switching has a great impact on the intra-DU.
- a larger Hysteresis, TimeToTrigger, and filterCoefficient can be used.
- the network may group the candidate cells according to their DUs when configuring the candidate cells.
- the cells in the same DU group perform L1 measurement and reporting, smaller Hysteresis, TimeToTrigger, and filterCoefficient may not be used/used.
- the cells in different DU groups perform L1 measurement and reporting, larger Hysteresis, TimeToTrigger, and filterCoefficient may be used/used.
- the step S20 further includes at least one of the following:
- the terminal does not perform RLC reestablishment and/or MAC restart and/or partial MAC restart for intra-packet cell handover;
- the terminal For inter-packet and inter-cell handover, the terminal performs RLC reconstruction and/or MAC restart and/or partial MAC restart.
- the third embodiment of the present application further proposes a processing method.
- the terminal performs L1/L2-based inter-cell mobility based on the measurement parameter, including:
- the terminal determines whether the candidate cell meets the measurement report reporting conditions based on the measurement parameters; if it is determined that the candidate cell meets the measurement report reporting conditions, the terminal sends an L1 measurement report to the network device, so that the network device can perform L1/L2-based inter-cell mobility according to the measurement report, and/or, so that the network device can issue a command to activate or delete the candidate cell.
- the network device performing L1/L2-based inter-cell mobility according to the measurement report includes:
- the network device issues a switching command according to the measurement report reported by the terminal, and performs L1/L2-based inter-cell mobility, so that the terminal performs L1/L2-based inter-cell switching after receiving the switching command.
- the measurement report includes measurement results of other candidate cells other than the candidate cells that meet the measurement report reporting conditions.
- the terminal receives a switching command sent by a network device, and performs L1/L2-based inter-cell switching according to the switching command.
- the network device issues a command to activate or delete the candidate cell based on the measurement report and/or the neighboring relationship between the serving cell or the cell to be switched and the candidate cell or the switching record; optionally, the measurement report is sent by the terminal after determining that the candidate cell meets the measurement report reporting conditions based on the processing parameters.
- the terminal receives a deactivation or deletion command sent by a network device, and does not perform L1 measurement on the deactivated or deleted candidate cell according to the deactivation or deletion command.
- the network device When the measurement report does not include the measurement result of the candidate cell, the network device sends a command to activate or delete the candidate cell;
- the network device When the measurement result of the candidate cell is lower than the set threshold, the network device sends a command to activate or delete the candidate cell;
- the network device When the candidate cell is not in the neighboring cell list of the current serving cell or the cell to be switched, the network device sends a command to activate or delete the candidate cell;
- the network device When there is no handover record between the candidate cell and the current serving cell or the cell to be handed over, the network device sends a command to activate or delete the candidate cell;
- the network device When the deactivated candidate cell is in the neighboring cell list of the current serving cell or the cell to be switched, the network device sends a command to activate the candidate cell;
- the deactivation or deletion command or the activation command is issued via a switching command of the network device.
- the network device dynamically adjusts the activation status of the candidate cell or the network releases some candidate cells, and the terminal only performs L1 measurement on the candidate cells in the activated state or in the candidate cell list.
- candidate cell grouping information is sent by a network device, and the terminal performs L1/L2-based inter-cell mobility based on the candidate cell grouping information. There is no need to reconfigure the measurement configuration from the current serving cell to other candidate cells each time, which can reduce the impact of ping-pong switching on L1/L2 inter-cell mobility, and/or reduce measurement delay and/or signaling overhead.
- the source cell/source gNB/CU to which the source cell belongs configures the UE measurement process, and the UE reports the measurement report according to the measurement configuration;
- the source cell/source gNB/CU to which the source cell belongs decides to perform L1/L2 inter-cell mobility
- the source cell/source gNB/CU to which the source cell belongs prepares one or more L1/L2 inter-cell mobility candidate cell configurations based on the measurement report, and groups them according to the serving cell and the DU to which the candidate cells belong. Cells with the same DU are grouped together.
- the source cell/source gNB/CU to which the source cell belongs sends the L1/L2 inter-cell mobility candidate cell configuration and grouping information to the UE through the RRCReconfiguration message;
- the UE performs L1 measurement and does not use/uses a smaller Hysteresis&/TimeToTrigger&/filterCoefficient for candidate cells with the same DU as the current serving cell. It uses/uses a larger Hysteresis&/TimeToTrigger&/filterCoefficient for candidate cells with different DUs as the current serving cell.
- the L1 measurement reporting is triggered, and the network device sends MAC CE to trigger LTM.
- the UE does not perform RLC reconstruction and/or MAC restart and/or partial MAC restart; and/or, for inter-packet cell handover, the UE performs RLC reconstruction and/or MAC restart and/or partial MAC restart;
- the network equipment dynamically adjusts the activation/deletion status of the candidate cells (which can be sent together through L1//L2 cell switch cmd).
- the UE only performs L1 measurement on the candidate cells in the activation state/candidate cell list.
- the state of the candidate cell is dynamically adjusted according to the UE measurement result and/or the geographical location or neighboring cell relationship between the candidate cell and the current serving cell.
- the network device deactivates/deletes these candidate cells.
- the network device deactivates/deletes these candidate cells.
- the network device activates these cells.
- the initial candidate information preparation process (ie, steps 1 to 3) is used to add these cells to the candidate cell list.
- steps 1 to 3 are used to add these cells to the candidate cell list.
- the current serving cell is cell0, that is, the source cell is cell0.
- Cell0 configures the UE measurement process, and the UE reports the measurement report according to the measurement configuration.
- the measurement report includes cell1, cell2, cell3, cell4, cell5, and cell6.
- the source cell prepares cell1, cell2, cell3, cell4, cell5, and cell6 candidate cell configurations for L1/L2 inter-cell mobility based on the measurement report, and groups the candidate cells according to the DUs to which they belong. Cells with the same DU are grouped together.
- the current serving cell cell0 belongs to DU group0 by default.
- Cell1 and cell2 are DU group1, cell3 and cell4 are DU group0, and cell5 and cell6 are DU group2.
- the source cell sends the L1/L2 inter-cell mobility candidate cell configuration and grouping information to the UE through the RRCReconfiguration message.
- the UE performs L1 measurement, and for candidate cells (such as cell3 and cell4) with the same DU as the current serving cell, does not use/uses a smaller Hysteresis&/TimeToTrigger&/filterCoefficient. For candidate cells (cell5 and cell6) with different DUs from the current serving cell, uses/uses a larger Hysteresis&/TimeToTrigger&/filterCoefficient.
- the UE When a cell (such as cell2) meets the L1 measurement reporting conditions, the UE reports the L1 measurement report, the network performs L1/L2 inter-cell mobility, sends down L1/L2 cell switch signaling, and the UE performs L1/L2 inter-cell mobility switching to cell2.
- the UE does not perform RLC reconstruction and/or (partial) MAC restart; and/or, for inter-group cell switching, the UE performs RLC reconstruction and/or (partial) MAC restart. After switching, some or all candidate cell configurations and grouping information are still retained.
- Cell2 determines that cell5 and cell6 are not in the current neighboring cell list or have no historical switching records, and sends a command to deactivate/delete candidate cells of cell5 and cell6 (which can be sent together with the L1/L2 cell switch or after the switch).
- the UE does not perform L1 measurement on cell5 and cell6.
- the UE performs L1 measurement and does not use/uses a smaller Hysteresis&/TimeToTrigger&/filterCoefficient for the candidate cells (such as cell1) with the same DU as the current serving cell.
- a larger Hysteresis&/TimeToTrigger&/filterCoefficient is used/used for the candidate cells (cell3, cell4) with different DUs from the current serving cell.
- candidate cell grouping information is sent by a network device, and the terminal performs L1/L2-based inter-cell mobility based on the candidate cell grouping information. There is no need to reconfigure the measurement configuration from the current serving cell to other candidate cells each time, which can reduce the impact of ping-pong switching on L1/L2 inter-cell mobility, and/or reduce measurement delay and/or signaling overhead.
- the present application also provides a processing device, including:
- the execution module is used to execute preset processing based on the candidate cell grouping information.
- the execution module is further used to determine processing parameters according to the serving cell and candidate cell grouping information; and perform preset processing based on the processing parameters.
- Candidate cells in the same DU are in the same group;
- Candidate cells in different DUs are in different groups;
- the candidate cells include the current serving cell.
- the method further includes: determining or judging whether to determine a processing parameter according to the candidate cell grouping information.
- the first set of processing parameters is used
- the second set of processing parameters is used.
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient are not used;
- measurement hysteresis and/or measurement trigger time and/or filter coefficient are used;
- the measurement hysteresis and/or measurement trigger time and/or filter coefficient of the second preset value are adopted.
- RLC reestablishment and/or MAC restart and/or partial MAC restart are not performed;
- the present application also provides a processing device, including:
- the sending module is used to send the candidate cell grouping information so that the terminal can perform preset processing based on the candidate cell grouping information.
- the sending module is also used to send the candidate cell grouping information so that the terminal can determine processing parameters according to the serving cell and the candidate cell grouping information and perform preset processing based on the processing parameters.
- Candidate cells in the same DU are in the same group;
- Candidate cells in different DUs are in different groups;
- the candidate cells include the current serving cell
- the first set of processing parameters is used
- the second set of processing parameters is used.
- the measurement hysteresis and/or the measurement trigger time and/or the filter coefficient are not used;
- measurement hysteresis and/or measurement trigger time and/or filter coefficient are used;
- the measurement delay and/or measurement trigger time of the second preset value is adopted and/or filter coefficients.
- a handover command is issued so that the terminal can perform L1/L2-based inter-cell handover;
- a command is issued to activate or delete the candidate cell; wherein the measurement report is sent by the terminal after determining that the candidate cell meets the measurement report reporting conditions based on the processing parameters.
- a command is issued to activate or delete the candidate cell;
- a command is issued to activate or delete the candidate cell;
- a command is issued to activate the candidate cell; the deactivation or deletion command or activation command is issued through a switching command.
- the embodiment of the present application also provides a communication device, including: a memory, a processor, and a processing program stored in the memory and executable on the processor, wherein the processing program implements the processing method described in any of the above embodiments when executed by the processor.
- the communication device mentioned in the present application may be a terminal (such as a mobile phone) or a network device (such as a base station), and the specific reference needs to be clarified in the context.
- An embodiment of the present application further provides a storage medium, on which a computer program is stored.
- a computer program is executed by a processor, the processing method described in any of the above embodiments is implemented.
- the embodiment of the present application further provides a computer program product, which includes a computer program code.
- a computer program product which includes a computer program code.
- the computer program code runs on a computer, the computer executes the methods in the above various possible implementation modes.
- An embodiment of the present application also provides a chip, including a memory and a processor, wherein the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a device equipped with the chip executes the methods in various possible implementation modes as described above.
- the units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.
- the technical solution of the present application can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as above, and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to execute the method of each embodiment of the present application.
- a storage medium such as ROM/RAM, magnetic disk, optical disk
- a terminal device which can be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.
- a computer program product includes one or more computer instructions.
- the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- Computer instructions can be stored in a storage medium or transmitted from one storage medium to another storage medium.
- computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) means.
- the storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated. Available media can be magnetic media (e.g., floppy disk, storage disk, tape), optical media (e.g., DVD), or semiconductor media (e.g., solid-state storage disk Solid State Disk (SSD)), etc.
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Abstract
Description
Claims (13)
- 一种处理方法,其中,包括步骤:S20:基于候选小区分组信息执行预设处理。
- 根据权利要求1所述的方法,其中,所述步骤S20,包括步骤:S21:根据服务小区与候选小区分组信息确定处理参数;S22:基于所述处理参数执行预设处理。
- 根据权利要求2所述的方法,其中,还包括以下至少一项:相同DU内的候选小区处于同一分组;不同DU内的候选小区处于不同分组;候选小区包含当前服务小区;所述S21步骤之前,还包括:根据候选小区分组信息确定或判断是否确定处理参数。
- 根据权利要求3所述的方法,其中,所述S21步骤,包括以下至少一项:候选小区与当前服务小区处于同一分组时,采用第一套处理参数;候选小区与当前服务小区不处于同一分组时,采用第二套处理参数;候选小区与当前服务小区处于同一分组时,不采用测量迟滞和/或测量触发时间和/或滤波系数;候选小区与当前服务小区处于同一分组时,采用第一预设值的测量迟滞和/或测量触发时间和/或滤波系数;候选小区与当前服务小区处于不同分组时,采用测量迟滞和/或测量触发时间和/或滤波系数;候选小区与当前服务小区处于不同分组时,采用第二预设值的测量迟滞和/或测量触发时间和/或滤波系数。
- 根据权利要求1至4中任一项所述的方法,其中,所述步骤S20,包括以下至少一项:对于分组内小区切换,不执行RLC重建和/或MAC重启和/或部分MAC重启;对于分组间小区间切换,执行RLC重建和/或MAC重启和/或部分MAC重启;基于处理参数确定候选小区是否满足测量报告上报条件,若是,则发送L1的测量报告,以供网络设备根据所述测量报告执行基于L1/L2的小区间移动性,和/或,以供网络设备下发命令去激活或删除候选小区。
- 根据权利要求5所述的方法,其中,所述方法还包括以下至少一项:根据切换命令执行基于L1/L2的小区间切换;根据去激活或删除命令对去激活或删除的候选小区不执行L1测量。
- 一种处理方法,其中,包括步骤:S10:发送候选小区分组信息,以供终端基于候选小区分组信息执行预设处理。
- 根据权利要求7所述的方法,其中,步骤S10包括:发送候选小区分组信息,以供终端根据服务小区与候选小区分组信息确定处理参数,基于处理参数执行预设处理。
- 根据权利要求8所述的方法,其中,还包括以下至少一项:相同DU内的候选小区处于同一分组;不同DU内的候选小区处于不同分组;候选小区包含当前服务小区;候选小区与当前服务小区处于同一分组时,采用第一套处理参数;候选小区与当前服务小区不处于同一分组时,采用第二套处理参数;候选小区与当前服务小区处于同一分组时,不采用测量迟滞和/或测量触发时间和/或滤波系数;候选小区与当前服务小区处于同一分组时,采用第一预设值的测量迟滞和/或测量触发时间和/或滤波系数;候选小区与当前服务小区处于不同分组时,采用测量迟滞和/或测量触发时间和/或滤波系数;候选小区与当前服务小区处于不同分组时,采用第二预设值的测量迟滞和/或测量触发时间和/或滤波系数。
- 根据权利要求7所述的方法,其中,还包括以下至少一项:基于测量报告下发切换命令,以供终端执行基于L1/L2的小区间切换;基于测量报告,和/或服务小区或待切换小区与候选小区邻区关系或切换记录下发命令去激活或删除候选小区。
- 根据权利要求10所述的方法,其中,还包括以下至少一项:在测量报告不包含候选小区的测量结果时,下发命令去激活或删除候选小区;在候选小区的测量结果低于设定门限时,下发命令去激活或删除所述候选小区;在候选小区不在当前服务小区或待切换小区邻区列表时,下发命令去激活或删除候选小区;在候选小区与当前服务小区或待切换小区没有切换记录时,下发命令去激活或删除候选小区;在去激活的候选小区在当前服务小区或待切换小区邻区列表时,下发命令激活候选小区;去激活或删除命令或激活命令通过切换命令下发。
- 一种通信设备,其中,包括:存储器、处理器,所述存储器上存储有处理程序,所述处理程序被所述处理器执行时实现如权利要求1或7所述的处理方法。
- 一种存储介质,其中,所述存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1或7所述的处理方法。
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| US20220030498A1 (en) * | 2019-01-11 | 2022-01-27 | Nec Corporation | Distributed unit, central unit, radio access network node, and method therefor |
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| CN114765818A (zh) * | 2021-01-14 | 2022-07-19 | 展讯通信(上海)有限公司 | 小区的切换方法及相关产品 |
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| CN103037495B (zh) * | 2011-09-30 | 2017-03-29 | 中兴通讯股份有限公司 | 一种确定服务小区分组的方法及装置 |
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| EP3732920A4 (en) * | 2017-12-30 | 2021-10-06 | INTEL Corporation | TECHNOLOGY, DEVICES AND PROCEDURES RELATED TO A HANDOVER |
| US11689977B2 (en) * | 2020-04-20 | 2023-06-27 | Samsung Electronics Co., Ltd. | Method and system to handle handover procedure in multi TRP system |
| EP4292328A4 (en) * | 2021-04-01 | 2024-07-10 | Apple Inc. | LAYER-2 OPERATION FOR LAYER-1 AND LAYER-2 CENTRIC INTERCELL MOBILITY |
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| CN108924894A (zh) * | 2017-04-11 | 2018-11-30 | 华为技术有限公司 | 一种移动性管理方法、接入网设备和终端设备 |
| US20220030498A1 (en) * | 2019-01-11 | 2022-01-27 | Nec Corporation | Distributed unit, central unit, radio access network node, and method therefor |
| CN114698010A (zh) * | 2020-12-28 | 2022-07-01 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的通信节点中的方法和装置 |
| CN114765818A (zh) * | 2021-01-14 | 2022-07-19 | 展讯通信(上海)有限公司 | 小区的切换方法及相关产品 |
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| CN119156854B (zh) | 2025-09-12 |
| EP4661494A4 (en) | 2026-03-25 |
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