WO2022000352A1 - Procédé, appareil et système de mesure de relation de voisinage automatique (anr) - Google Patents

Procédé, appareil et système de mesure de relation de voisinage automatique (anr) Download PDF

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Publication number
WO2022000352A1
WO2022000352A1 PCT/CN2020/099598 CN2020099598W WO2022000352A1 WO 2022000352 A1 WO2022000352 A1 WO 2022000352A1 CN 2020099598 W CN2020099598 W CN 2020099598W WO 2022000352 A1 WO2022000352 A1 WO 2022000352A1
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WIPO (PCT)
Prior art keywords
frequency band
anr measurement
communication
terminal
access network
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PCT/CN2020/099598
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English (en)
Chinese (zh)
Inventor
东宁
余波
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2020/099598 priority Critical patent/WO2022000352A1/fr
Priority to CN202080006857.8A priority patent/CN114128342B/zh
Publication of WO2022000352A1 publication Critical patent/WO2022000352A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present application relates to the field of communication technologies, and in particular, to an automatic neighbor relation (automatic neighbor relation, ANR) measurement method, device, and system.
  • ANR automatic neighbor relation
  • NSA non-standalone
  • the anchor point of the control plane adopts the dual connection method of the long term evolution (LTE) system and the NR system, and uses the existing 4G network to deploy the 5th generation (5G) network to realize the rapid development of the 5G network.
  • LTE long term evolution
  • This access method is called Evolved Universal Terrestrial Radio Access (E-UTRAN) and NR Dual Connectivity (E-UTRAN NR dual connectivity, EN-DC) networking.
  • the terminal can use discontinuous reception (discontinuous reception, DRX) mode to communicate with the 4G network and the 5G network.
  • DRX mode within a DRX cycle, the terminal can receive the physical downlink control channel (PDCCH) within the active time (active time), and outside the active time, the terminal will enter the inactive time (inactive time) ) (also called sleep time), during the inactive time, the terminal will not receive the PDCCH.
  • the DRX mode of the terminal may be called a connected discontinuous reception (connected discontinuous reception, CDRX) mode.
  • the terminal needs to measure the adjacent cell information of the LTE adjacent cell, when the terminal is in the connected state with the NR base station, it needs to temporarily disconnect the communication of the terminal in the NR cell, and the measurement of the adjacent cell information of the NR adjacent cell is similar , this solution will cause traffic interruption.
  • Embodiments of the present application provide an ANR measurement method, device, and system, which are used to solve the problem of traffic interruption caused by the current ANR measurement method.
  • an ANR measurement method is provided, which can be performed by a communication device, and the communication device can be a whole computer of a computing device, or a part of the device in the computing device, such as a chip related to a wireless communication function, such as a system chip, communication chip.
  • the system-on-a-chip is also called a system-on-chip, or a SoC chip.
  • the communication device may be a terminal such as a smart phone, or may be a system chip or a communication chip that can be provided in the terminal.
  • the communication chip may include one or more of a radio frequency processing chip and a baseband processing chip. Baseband processing chips are also sometimes referred to as modems or baseband processors or baseband modules.
  • the communication chip may be integrated inside the SoC chip or not integrated with the SoC chip.
  • the baseband processing chip is integrated in the SoC chip, and the radio frequency processing chip is not integrated with the SoC chip.
  • the ANR measurement method is exemplarily described below by taking the communication device as a terminal as an example.
  • the ANR measurement method includes: the terminal establishes an RRC connection with a first access network device and a second access network device respectively, and performs ANR measurement on a neighboring cell according to a frequency band combination satisfied by the first frequency band and at least one second frequency band.
  • the first access network device adopts the first network standard
  • the second access network device adopts the second network standard
  • the first network standard and the second network standard are different;
  • the first frequency band is the frequency band to which the first carrier belongs, and the first The carrier is the carrier of the neighboring cell
  • the network standard adopted by the neighboring cell is the first network standard
  • the at least one second frequency band is the frequency band to which the at least one second carrier belongs
  • the second carrier is the second access network equipment that provides services for the terminal. carrier of the cell.
  • the terminal since the frequency bands satisfying the frequency band combination relationship do not interfere with each other when data transmission is performed at the same time, the terminal performs ANR measurement on adjacent cells according to the frequency band combination satisfied by the first frequency band and at least one second frequency band , it is possible to select whether to disconnect the communication of the terminal on the cell of the second access network device that serves the terminal as required, which can reduce traffic interruption.
  • the terminal does not need to wait until the terminal enters the NR CDRX inactive time to start the ANR measurement, which can avoid the LTE ANR measurement or NR ANR measurement in Scheme 2 that cannot be started for a long time, the ANR measurement scheduling is delayed, and the neighbor cell is not discovered in time. Problems such as low switching accuracy.
  • the terminal performs ANR measurement on adjacent cells according to a frequency band combination satisfied by the first frequency band and at least one second frequency band, including: forming at least one frequency band combination in the first frequency band and at least one second frequency band, and When the at least one frequency band combination includes the first frequency band combination, the terminal performs ANR measurement on the adjacent cell; wherein the first frequency band combination includes the first frequency band and at least one second frequency band.
  • the terminal when the first frequency band combination is included in the at least one frequency band combination, it means that the communication of the terminal on the cell of the second access network device that serves the terminal will not measure the ANR of the adjacent cell Therefore, the terminal can directly measure the ANR of the adjacent cell, and it is not necessary to disconnect the communication of the terminal on the cell of the second access network device that serves the terminal, so as to avoid traffic interruption.
  • the terminal performs ANR measurement on adjacent cells according to a frequency band combination satisfied by the first frequency band and at least one second frequency band, including: forming at least one frequency band combination in the first frequency band and at least one second frequency band, and When there is no frequency band combination including the first frequency band and at least one second frequency band in the at least one frequency band combination, the terminal notifies the second access network device to disconnect the communication of the terminal on the N cells, and the terminal performs ANR measurement on the adjacent cells; wherein , the N cells are the cells corresponding to the N second carriers, the N second carriers are the second carriers corresponding to the second frequency bands that do not belong to the first frequency band combination, and the first frequency band combination is one of at least one frequency band combination, N is an integer greater than 0.
  • the N second carriers are the second carriers corresponding to the second frequency bands that do not belong to the first frequency band combination, it means that the communication of the terminal on the N cells corresponding to the N second carriers will be It interferes with the ANR measurement of the adjacent cell. Therefore, the terminal can perform ANR measurement on the adjacent cell after disconnecting the communication of the terminal on the N cells, and it is not necessary to disconnect the terminal that serves the terminal in the second access network device. Communication on all cells, reducing traffic interruptions.
  • the first frequency band combination is an optimal frequency band combination in at least one frequency band combination
  • the optimal frequency band combination refers to disconnecting the terminal from corresponding to the second carrier that does not belong to the second frequency band in the frequency band combination After the communication of the cell, the frequency band combination that has the least impact on the traffic of the terminal.
  • the first frequency band combination includes frequency bands to which the carriers of the primary and secondary cells in the SCG of the second access network device belong.
  • the method before the terminal performs ANR measurement on the neighboring cells, the method further includes: the terminal notifies the second access network device to suspend the communication of the terminal in the M cells, and loads the first frequency band combination Radio frequency parameters corresponding to each frequency band; wherein the M cells are cells corresponding to the M second carriers, the M second carriers are the second carriers corresponding to the second frequency bands in the first frequency band combination, and M is an integer greater than 0.
  • the terminal can subsequently communicate on the cell through new radio frequency parameters.
  • the method before the terminal performs ANR measurement on the adjacent cell, the method further includes: the terminal opens the radio frequency front-end paths of the first carrier and the M second carriers. By opening the radio frequency front-end paths of the first carrier and the M second carriers, the terminal can send and receive data smoothly.
  • the method before the terminal performs ANR measurement on the neighboring cell, the method further includes: when the radio frequency parameters corresponding to each frequency band in the first frequency band combination are loaded, the terminal notifies the second access network device to restore Communication of terminals on M cells. By resuming the communication of the terminal on the M cells, during the period when the terminal performs ANR measurement on the neighboring cells, the terminal communicates normally on the M cells, reducing traffic interruption.
  • the method further includes: after the terminal completes the ANR measurement of the neighboring cell, for the second access network device, when the terminal is within the activation time, the terminal notifies the second access network device to suspend the terminal Communication is performed on the M cells, and radio frequency parameters corresponding to at least one second frequency band are loaded.
  • the terminal For the second access network device, when the terminal is within the activation time, the terminal needs to communicate in M cells. Therefore, suspending the communication of the terminal in the M cells can prevent the radio frequency parameters corresponding to X second frequency bands from being loaded. error.
  • the method further includes: the terminal opens a radio frequency front-end path of at least one second carrier, so as to prepare for the recovery of the communication of the terminal on the cell of the second access network device that serves the terminal .
  • the method further includes: when the radio frequency parameters corresponding to the at least one second frequency band are loaded, the terminal notifies the second access network device to resume the communication of the terminal on the cell corresponding to the at least one second carrier .
  • the terminal performs ANR measurement on adjacent cells according to a frequency band combination satisfied by the first frequency band and the at least one second frequency band, including: any one of the first frequency band and the at least one second frequency band.
  • the terminal notifies the second access network device to disconnect the communication between the terminal and the cell corresponding to at least one second carrier, and the terminal performs ANR measurement on the adjacent cell.
  • the method further includes: in the first subframe, the terminal determines a frequency band combination satisfied by the first frequency band and at least one second frequency band; wherein the first subframe is for the first access network device, The starting subframe of the inactive time of the terminal, or the next subframe of the first subframe is the receiving window of the MIB and/or SIB1 of the neighboring cell.
  • an ANR measurement apparatus including: a processing unit and a communication unit; the processing unit is configured to respectively establish an RRC connection with a first access network device and a second access network device through the communication unit; wherein the third An access network device adopts a first network standard, a second access network device adopts a second network standard, and the first network standard and the second network standard are different; the processing unit is further configured to use the communication unit according to the first frequency band and the at least one network standard.
  • the combination of frequency bands satisfied by the second frequency band performs ANR measurement on the adjacent cell; wherein, the first frequency band is the frequency band to which the first carrier belongs, the first carrier is the carrier of the adjacent cell, the network standard adopted by the adjacent cell is the first network standard, and at least one
  • the second frequency band is a frequency band to which at least one second carrier belongs, and the second carrier is a carrier of a cell of the second access network device that serves the ANR measurement apparatus.
  • the processing unit is specifically configured to, through the communication unit: in the case that the first frequency band and the at least one second frequency band form at least one frequency band combination, and the at least one frequency band combination includes the first frequency band combination, ANR measurement is performed on adjacent cells; wherein, the first frequency band combination includes a first frequency band and at least one second frequency band.
  • the processing unit is specifically configured to use the communication unit to: form at least one frequency band combination between the first frequency band and the at least one second frequency band, and the at least one frequency band combination does not include the first frequency band and the at least one frequency band combination.
  • the second access network device is notified to disconnect the communication of the ANR measurement device on the N cells, and the ANR measurement is performed on the neighboring cells; wherein, the N cells correspond to the N second carriers
  • the N second carriers are the second carriers corresponding to the second frequency bands that do not belong to the first frequency band combination, the first frequency band combination is one of at least one frequency band combination, and N is an integer greater than 0.
  • the first frequency band combination is an optimal frequency band combination in at least one frequency band combination
  • the optimal frequency band combination refers to disconnecting the second frequency band corresponding to the second frequency band that does not belong to the ANR measurement device in the frequency band combination. After the communication of the cell corresponding to the carrier, the frequency band combination that has the least impact on the traffic of the ANR measurement device.
  • the first frequency band combination includes frequency bands to which the carriers of the primary and secondary cells in the SCG of the second access network device belong.
  • the processing unit is further configured to notify the second access network device through the communication unit to suspend the communication of the ANR measurement apparatus on the M cells, and load the radio frequency corresponding to each frequency band in the first frequency band combination parameters; wherein, the M cells are cells corresponding to the M second carriers, the M second carriers are the second carriers corresponding to the second frequency bands in the first frequency band combination, and M is an integer greater than 0.
  • the processing unit is further configured to open the radio frequency front-end paths of the first carrier and the M second carriers.
  • the processing unit is further configured to notify the second access network device to restore the ANR measurement device in the M cells through the communication unit communication on.
  • the processing unit is further configured to notify the second access network device through the communication unit
  • the network device suspends the communication of the ANR measurement device on the M cells, and loads radio frequency parameters corresponding to at least one second frequency band.
  • the processing unit is further configured to open a radio frequency front-end channel of at least one second carrier.
  • the processing unit is further configured to notify the second access network device through the communication unit to restore the ANR measurement apparatus corresponding to the at least one second carrier communication on the cell.
  • the processing unit is specifically configured to, through the communication unit: in the case where the first frequency band and any one of the at least one second frequency band do not form a frequency band combination, notify the second access
  • the network device disconnects the communication between the ANR measurement apparatus and the cell corresponding to at least one second carrier, and the ANR measurement apparatus performs ANR measurement on the adjacent cell.
  • the processing unit is further configured to determine, in the first subframe, a frequency band combination satisfied by the first frequency band and the at least one second frequency band; wherein the first subframe is for the first access network device, The starting subframe of the inactive time of the ANR measurement apparatus, or the next subframe of the first subframe is the receiving window of the MIB and/or SIB1 of the neighboring cell.
  • an ANR measurement apparatus including: a processor.
  • the processor is connected to the memory, the memory is used for storing computer-executed instructions, and the processor executes the computer-executed instructions stored in the memory, thereby implementing any one of the methods provided in the first aspect.
  • the memory and the processor may be integrated together, or may be independent devices. In the latter case, the memory may be located in the ANR measurement apparatus, or may be located outside the ANR measurement apparatus.
  • the processor includes a logic circuit, and also includes at least one of an input interface and an output interface.
  • the output interface is used for performing the sending action in the corresponding method
  • the input interface is used for performing the receiving action in the corresponding method.
  • the ANR measurement apparatus further includes a communication interface and a communication bus, and the processor, the memory and the communication interface are connected through the communication bus.
  • the communication interface is used to perform the actions of transceiving in the corresponding method.
  • the communication interface may also be referred to as a transceiver.
  • the communication interface includes at least one of a transmitter and a receiver. In this case, the transmitter is configured to perform the sending action in the corresponding method, and the receiver is configured to perform the receiving action in the corresponding method.
  • the ANR measurement device exists in the product form of a communication chip or a chip system.
  • an ANR measurement device comprising a processor, a memory, and a computer program stored in the memory and running on the processor, when the computer program is executed, the ANR measurement device is made to perform any of the methods provided in the first aspect. a way.
  • a fifth aspect provides an ANR measurement device, comprising: a processor and an interface, the processor is coupled with the memory through the interface, and when the processor executes the computer program in the memory or the computer executes the instructions, any one of the methods provided in the first aspect is made. method is executed.
  • a computer-readable storage medium including computer-executable instructions, which, when the computer-executable instructions are run on a computer, cause the computer to perform any one of the methods provided in the first aspect.
  • a computer program product comprising computer-executable instructions, which, when the computer-executable instructions are run on a computer, cause the computer to perform any one of the methods provided in the first aspect.
  • a communication system comprising the above communication device, the ANR measurement device provided by the second aspect, the ANR measurement device provided by the third aspect, the ANR measurement device provided by the fourth aspect, or the ANR measurement device provided by the fifth aspect device.
  • it also includes the above-mentioned first access network device and/or second access network device.
  • FIG. 1 is a schematic diagram of a network architecture
  • Fig. 2 is a kind of DRX cycle schematic diagram
  • FIG. 3 is a schematic diagram of a time domain location of a PBCH
  • Fig. 4 is a kind of time domain position schematic diagram of SIB1;
  • Fig. 5 is a kind of ANR measurement flow chart
  • Fig. 6 is another kind of ANR measurement flow chart
  • FIG. 7 is a schematic diagram of communication of a terminal before ANR measurement and during ANR measurement;
  • FIG. 8 is a schematic diagram of communication of a terminal before and during another ANR measurement
  • FIG. 10 is a flowchart of another ANR measurement method provided by an embodiment of the present application.
  • FIG. 11 is a flow chart of ANR measurement provided by an embodiment of the present application.
  • FIG. 12 is a schematic diagram of communication of a terminal before ANR measurement and during ANR measurement according to an embodiment of the present application;
  • FIG. 13 is a flowchart of another ANR measurement method provided by an embodiment of the present application.
  • 15 is another schematic diagram of communication of a terminal before and during ANR measurement provided by an embodiment of the present application.
  • 16 is a schematic diagram of the composition of an ANR measurement apparatus provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a hardware structure of an ANR measurement apparatus provided by an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a hardware structure of another ANR measurement apparatus provided by an embodiment of the present application.
  • the devices involved in this application include access network devices and terminals.
  • the access network device in the embodiment of the present application is an entity on the network side that is used for sending a signal, or receiving a signal, or sending a signal and receiving a signal.
  • An access network device may be a device deployed in a radio access network (RAN) to provide wireless communication functions for terminals, such as a transmission reception point (TRP), a base station, various forms of control A node (eg, a network controller, a wireless controller (eg, a wireless controller in a cloud radio access network (CRAN) scenario)), etc.
  • the access network equipment may be various forms of macro base station, micro base station (also called small cell), relay station, access point (access point, AP), etc., or may be the antenna panel of the base station.
  • the control node can be connected to multiple base stations, and configure resources for multiple terminals covered by the multiple base stations.
  • the names of devices with base station functions may vary.
  • the access network device may also be an access network device or the like in a public land mobile network (public land mobile network, PLMN) to be evolved in the future.
  • PLMN public land mobile network
  • the terminal in this embodiment of the present application is an entity on the user side that is used to receive a signal, or send a signal, or receive a signal and send a signal.
  • the terminal is used to provide one or more of voice service and data connectivity service to the user.
  • a terminal may also be referred to as user equipment (UE), terminal equipment, access terminal, subscriber unit, subscriber station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or user device.
  • UE user equipment
  • the terminal may be a mobile station (mobile station, MS), a subscriber unit (subscriber unit), an unmanned aerial vehicle, an internet of things (Internet of things, IoT) device, a station (station, ST), cellular phone, smart phone, cordless phone, wireless data card, tablet computer, session initiation protocol (SIP) phone, wireless local loop (WLL) ) station, personal digital assistant (PDA) device, laptop computer, machine type communication (MTC) terminal, handheld device with wireless communication capabilities, computing device or connected to a wireless Other processing devices for modems, in-vehicle devices, wearable devices (also known as wearable smart devices).
  • the terminal may also be a terminal in a next-generation communication system, for example, a terminal in a future evolved PLMN, a terminal in an NR system, and the like.
  • the methods provided in the embodiments of the present application may be applied to an ENDC system, a future evolution system, or a variety of communication fusion systems.
  • the method provided by the embodiment of the present application is exemplified below by taking the application in the ENDC system as an example.
  • the architecture of the ENDC system may include two access network devices, for example, the access network device 110 and the access network device 120 shown in FIG. 1 .
  • the architecture may also include at least one terminal, such as terminal 130 shown in FIG. 1 .
  • the terminal 130 may establish a wireless link with the access network device 110 and the access network device 120 through a dual connectivity (DC) technology.
  • DC dual connectivity
  • the access network device 110 which is responsible for exchanging radio resource control (radio resource control, RRC) messages with the terminal 130, and is responsible for interacting with the core network control plane entity
  • the access network device 110 may be referred to as a master node (master node, MN)
  • the master node may be the access network device when the terminal 130 initially accesses.
  • the master node may be a master evolved NodeB (master evolved NodeB, MeNB) or a master next generation node base station (MgNB), which is not limited thereto.
  • Another access network device such as the access network device 120
  • the secondary node may be added during RRC reconfiguration to provide additional radio resources.
  • the secondary node may be a secondary evolved NodeB (secondary evolved NodeB, SeNB) or a secondary next generation node base station (SgNB), which is not limited thereto.
  • multiple serving cells in the master node may form a master cell group (master cell group, MCG), including a primary cell (primary cell, PCell) and optionally one or more secondary cells (secondary cell, SCell).
  • MCG master cell group
  • SCell secondary cell group
  • SCG secondary cell group
  • PSCell primary secondary cell
  • SCell secondary cell group
  • the serving cell refers to a cell configured by the network for the terminal to perform uplink and downlink transmission.
  • the LTE cell may serve as the PCell of the MCG
  • the NR cell may serve as the PSCell of the SCG. The reverse is also possible.
  • the master node is an LTE base station and the secondary node is an NR base station, that is, the LTE cell is the PCell of the MCG, and the NR cell is the PSCell of the SCG as an example, and the method provided by the embodiments of the present application is taken as an example.
  • sexual description is taken as an example.
  • the access network device 120 may also be the primary node, and the access network device 110 may be the secondary node, which is not limited in this application.
  • Each device in FIG. 1 such as the access network device 110 , the access network device 120 or the terminal 130 in FIG. 1 , may be configured with multiple antennas.
  • the plurality of antennas may include at least one transmit antenna for transmitting signals and at least one receive antenna for receiving signals.
  • each device additionally includes a transmitter and a receiver, which can be understood by those of ordinary skill in the art, all of which may include multiple components related to signal transmission and reception (eg, processors, modulators, multiplexers, demodulators, etc.). device, demultiplexer, or antenna, etc.). Therefore, the multi-antenna technology can be used for communication between the access network device and the terminal.
  • M2M machine to machine
  • eMBB enhanced mobile broadband
  • URLLC ultra-reliable & low latency communication
  • mMTC massive machine type communication
  • the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application.
  • Those of ordinary skill in the art know that, with the evolution of the network architecture and the emergence of new service scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • the DRX mode is a mode in which the terminal receives signals.
  • the purpose is to reduce the power consumption of the terminal.
  • the terminal can decide whether to use the DRX mode to receive signals according to the configuration of the access network device.
  • the terminal uses the DRX mode to receive signals, within a DRX cycle, the terminal can receive the PDCCH within the active time, and outside the active time, the terminal will enter the inactive time (also called sleep). time), during the inactive time, the terminal will not receive the PDCCH.
  • the terminal can only receive the PDCCH within the activation time. It should be noted that in Fig.
  • the activation time and the deactivation time in a DRX cycle are both continuous time periods as an example for drawing.
  • the activation time can also be composed of multiple discontinuous time periods.
  • the inactive time can also consist of multiple discrete time periods.
  • the DRX mode of the terminal when the terminal is in a connected state, the DRX mode of the terminal may be referred to as a CDRX mode.
  • the terminal may use the same CDRX configuration or different CDRX configurations when communicating with the LTE base station and the NR base station.
  • the CDRX configuration determines the length of the active time and the inactive time of the terminal.
  • MIB Master information block
  • MIB can be used for downlink synchronization and can carry some cell parameters.
  • the MIB is transmitted on the physical broadcast channel (PBCH).
  • PBCH physical broadcast channel
  • OFDM orthogonal frequency division multiplexing
  • the MIB is also transmitted on the PBCH, and the PBCH transmission cycle is 80 milliseconds (ms).
  • the specific time slot position in the cycle is determined by the synchronization signal and the PBCH block (synchronization signal and PBCH block, SSB) pattern (pattern).
  • System information block 1 (system information block1, SIB1)
  • SIB1 can be used to indicate the scheduling period and scheduling window of subsequent SIBs.
  • SIB1 adopts a fixed scheduling period of 80ms, and can be retransmitted within 80ms.
  • SFN system frame number
  • mod is "modulo function".
  • the transmission period of SIB1 is fixed at 160ms, and the transmission will be repeated within the period.
  • the specific position of the repeated transmission is jointly determined by the SSB pattern and the control resource set (CORESET).
  • the ANR function can automatically create and update neighbor relations between the serving cell (eg, the above-mentioned MCG and SCG) and neighboring cells to support cell handover.
  • the ANR function can reduce the time required for network configuration and planning and optimize network performance.
  • the process of acquiring the information of the neighboring cells of the serving cell through measurement may be referred to as ANR measurement.
  • the access network device when the signal quality of the terminal's PCell is lower than the specified threshold, the access network device sends an RRC reconfiguration (RRC reconfiguration) message to the terminal to notify the terminal to initiate ANR measurement to discover neighboring cells.
  • RRC reconfiguration RRC reconfiguration
  • the terminal automatically maintains the neighbor relationship within the E-UTRAN system, as well as the next generation radio access network (NG-RAN), E-UTRAN, universal mobile telecommunications system (UMTS) terrestrial wireless access network.
  • NG-RAN next generation radio access network
  • E-UTRAN E-UTRAN
  • UMTS universal mobile telecommunications system
  • UMTS terrestrial radio access network UTRAN
  • GSM global system for mobile communications
  • GSM/enhanced data rate for GSM evolution enhanced data rate for GSM evolution, EDGE
  • GSM/EDGE radio access network
  • CGI cell group identity
  • LTE ANR measurement that is, the ANR measurement of the LTE adjacent cells, LTE adjacent cells refers to the adjacent cells whose network standard is LTE
  • NR ANR measurement that is, the ANR measurement of the NR adjacent cells is carried out, and the NR adjacent cells refers to the network standard of NR.
  • Neighboring cell includes two parts: MIB of the de-adjacent cell and SIB1 of the de-neighboring cell.
  • the terminal realizes downlink synchronization with the network equipment to which the adjacent cell belongs through the MIB of the de-neighboring cell, and obtains the operator identification number (mobile country code, MCC) or country identification number (mobile network code) of the adjacent cell through the SIB1 of the de-neighboring cell.
  • MCC mobile country code
  • MNC country identification number
  • add the physical cell ID (Cell ID) of the adjacent cell to form the CGI of the adjacent cell and report the CGI of the adjacent cell to the access network device for the maintenance of the adjacent cell relationship.
  • ANR measurement includes two methods: idle period (idle period) and autonomous gap (autonomous gap).
  • the idle period refers to the ANR measurement method in which the communication of the terminal on all serving cells is disconnected to receive the MIB and/or SIB1 of the neighboring cell during the inactive time of CDRX, and the information of the neighboring cell is obtained according to the received MIB and/or SIB1.
  • the autonomous gap refers to the window in the MIB and/or SIB1 of the receiving neighbor (the size of the window terminal can be determined according to the existing technology, and will not be repeated.
  • the window is hereinafter referred to as the receiving window), disconnect the terminal
  • the communication on all serving cells is to receive the MIB and/or SIB1 of the neighboring cell, and obtain the ANR measurement method of the neighboring cell information according to the received MIB and/or SIB1.
  • the LTE system supports two ANR measurement methods of idle period and autonomous gap, and NR only supports the ANR measurement method of idle period.
  • Non-VolatileItem Radio frequency non-volatile (Non-VolatileItem, NV)
  • RF NV refers to non-volatile RF data.
  • the RF NV can be stored in non-volatile memory (NVM).
  • RF NV includes any one or more of the following: logic control parameters such as sending and receiving, temperature compensation, calibration parameters, audio-related parameters, input/output (I/O) control parameters, charging current consumption and other currents control parameter.
  • logic control parameters such as sending and receiving, temperature compensation, calibration parameters, audio-related parameters, input/output (I/O) control parameters, charging current consumption and other currents control parameter.
  • the radio frequency NV may also include other radio frequency related data.
  • one carrier can correspond to one radio frequency NV.
  • the RF NV can be made effective by loading the RF NV (that is, loading the RF NV in the NVM into the memory).
  • the RF front-end path is between the antenna and the RF transceiver, and the components mainly include filters, low noise amplifiers (LNA), power amplifiers (PA), RF switches, and RF tuning. Switch (RF antenna switch), duplexer.
  • LNA low noise amplifiers
  • PA power amplifiers
  • RF switches RF switches
  • RF tuning RF tuning.
  • Switch RF antenna switch
  • the radio frequency front-end channel may also be referred to as radio frequency resources, radio frequency channels, radio frequency switches, radio frequency front ends, etc., which are not limited in this application.
  • the RF front-end path includes a receiving path and a sending path. Looking at the signal transmission from the line:
  • the signal transmission of the receiving channel is: signal-antenna-RF tuning switch-filter/duplexer-LNA-RF switch-RF transceiver-baseband.
  • the signal transmission of the transmission path is: baseband-RF transceiver-RF switch-PA-filter/duplexer-RF tuning switch-antenna-signal.
  • Antennas are used to transmit and receive radio waves.
  • the radio frequency switch is used to realize the switching of radio frequency signal reception and transmission, and the switching between different frequency bands.
  • the LNA is used to amplify the RF signal in the receive channel.
  • the PA is used to amplify the RF signal of the transmission channel.
  • Filters are used to retain signals within a certain frequency band and filter out signals outside a certain frequency band.
  • the duplexer is used to isolate the transmit signal and the receive signal, so that the receive and transmit can work normally when they share the same antenna.
  • One carrier may correspond to one RF front-end channel, and when using a carrier to transmit data, it is necessary to ensure that the RF front-end channel (receiving channel and/or sending channel) corresponding to the carrier is open.
  • the purpose of opening the RF front-end channel can be achieved by configuring the RF NV into the corresponding device at an appropriate time.
  • the terminal may use the following solution 1 or solution 2 to perform ANR measurement.
  • the terminal when the terminal needs to measure the adjacent cell information of the LTE adjacent cell, if the terminal is in a connected state with the NR base station, the terminal notifies the NR base station to temporarily disconnect the terminal from the communication on the cell in the SCG. Similarly, when the terminal needs to measure the adjacent cell information of the NR adjacent cells, if the terminal is in a connected state with the LTE base station, the terminal notifies the LTE base station to temporarily disconnect the communication of the terminal on the cell in the MCG. This solution will cause traffic interruption.
  • the terminal adopts idle
  • the process of performing ANR measurement in the ANR measurement mode of the period may include the following steps:
  • the terminal determines that the LTE CDRX has enough idle periods for ANR measurement (that is, the length of the inactive time of the LTE CDRX is sufficient for ANR measurement), the terminal determines that the ANR measurement needs to be started.
  • the terminal When the terminal and the NR base station are in a connected state, the terminal notifies the NR base station to temporarily disconnect the terminal's communication on the cell in the SCG.
  • the terminal loads the radio frequency NV of the carrier of the LTE adjacent cell.
  • the terminal starts LTE ANR measurement.
  • the terminal completes the LTE ANR measurement.
  • the terminal may perform ANR measurement, that is, receive and parse the MIB and SIB1 of the adjacent cell, and obtain the CGI of the adjacent cell. After that, the terminal can report the CGI of the neighboring cell to the LTE base station.
  • the terminal Before the NR base station disconnects the communication of the terminal on the cell in the SCG, the terminal notifies the NR base station to resume the communication between the terminal and the cell in the SCG.
  • the terminal adopts autonomous
  • the process of performing ANR measurement in the ANR measurement method of the gap may include the following steps:
  • the terminal decides to start the ANR measurement after judging that the subframe 1 is the transmission position of the MIB or SIB1 of the LTE neighboring cell in the subframe 0.
  • the terminal When the terminal and the NR base station are in a connected state, the terminal notifies the NR base station to temporarily disconnect the terminal's communication on the cell in the SCG.
  • the terminal loads the radio frequency NV of the carrier of the LTE adjacent cell.
  • the terminal starts LTE ANR measurement.
  • the terminal completes the LTE ANR measurement.
  • the terminal Before the NR base station disconnects the communication of the terminal on the cell in the SCG, the terminal notifies the NR base station to resume the communication between the terminal and the cell in the SCG.
  • the LTE CDRX configuration and the NR CDRX configuration can be different, and the physical downlink shared channel (PDSCH) scheduling is also completely asynchronous. Then it means that when the terminal enters the LTE CDRX inactive time, it may still be in the NR CDRX active time.
  • Scheme 1 only considers the LTE CDRX inactive time when judging whether to start the LTE ANR measurement, and does not consider the NR CDRX inactive time, but directly interrupts the communication between the terminal and the cell in the SCG, which has a great impact on the traffic. Exemplarily, referring to FIG.
  • the terminal uses RF front-end channel 1, RF front-end channel 2, and RF front-end channel 3 to communicate on NR cell 1, NR cell 2, and NR cell 3, respectively, where NR Cell 1 is the primary and secondary cell, and NR cell 2 and NR cell 3 are secondary cell 1 and secondary cell 2, respectively.
  • the terminal performs LTE ANR measurement
  • the NR base station disconnects the terminal's communication on NR cell 1, NR cell 2, and NR cell 3, and the terminal uses an RF front-end channel (for example, RF front-end channel 1) to communicate with the LTE neighboring cells, and then Take ANR measurements.
  • RF front-end channel for example, RF front-end channel 1
  • scheme 2 starts the ANR measurement only after the terminal enters the LTE CDRX inactive time and enters the NR CDRX inactive time. That is to say, when the terminal enters the LTE CDRX inactive time (ANR measurement method for idle period), or obtains the transmission position of MIB or SIB1 of the LTE neighboring cell (ANR measurement method for autonomous gap), it cannot be done yet.
  • ANR measurement start ANR measurement only after entering the NR CDRX inactive time.
  • scheme 2 starts the ANR measurement after the terminal enters the NR CDRX inactive time and enters the LTE CDRX inactive time. That is to say, when the terminal enters the NR CDRX inactive time (ANR measurement method for the idle period), it cannot perform ANR measurement, and only starts the ANR measurement after entering the LTE CDRX inactive time.
  • the LTE CDRX configuration and the NR CDRX configuration can be different, and PDSCH scheduling is also completely asynchronous, instead of only considering the LTE CDRX configuration or the NR CDRX configuration to select whether to enable ANR measurement, it is necessary to consider the LTE CDRX configuration and the NR CDRX configuration to select whether to enable ANR If the measurement is performed, the window time of ANR measurement will be greatly reduced, resulting in LTE ANR measurement or NR ANR measurement cannot be started for a long time, ANR measurement scheduling delay, and untimely detection of neighboring cells, which affects the accuracy of handover initiated by the network side.
  • RF front-end channel 1, RF front-end channel 2 and RF front-end channel 3 are used to communicate on NR cell 1, NR cell 2 and NR cell 3, respectively, where NR cell 1 is the primary and secondary cell, and NR cell 2 and NR cell 3 are respectively Secondary cell 1 and secondary cell 2.
  • the terminal When the terminal enters the LTE CDRX inactive time and enters the NR CDRX inactive time, the terminal starts LTE ANR measurement, the NR base station disconnects the terminal's communication on NR cell 1, NR cell 2, and NR cell 3, and the terminal uses a radio frequency front end A path (eg, RF front-end path 3) communicates with the LTE neighbors for ANR measurements.
  • a radio frequency front end A path eg, RF front-end path 3
  • an embodiment of the present application provides an ANR measurement method, which performs ANR measurement based on a band combination relationship, which can reduce traffic interruption and avoid ANR measurement scheduling delay.
  • the method may be performed by a communication device, which may be the entire computer of the computing device, or may be part of the device in the computing device, such as chips related to wireless communication functions, such as system chips and communication chips.
  • the system-on-a-chip is also called a system-on-chip, or a SoC chip.
  • the communication device may be a terminal such as a smart phone, or may be a system chip or a communication chip that can be provided in the terminal.
  • the communication chip may include one or more of a radio frequency processing chip and a baseband processing chip.
  • Baseband processing chips are also sometimes referred to as modems or baseband processors or baseband modules.
  • the communication chip may be integrated inside the SoC chip or not integrated with the SoC chip.
  • the baseband processing chip is integrated in the SoC chip, and the radio frequency processing chip is not integrated with the SoC chip.
  • the ANR measurement method is exemplarily described below by taking the communication device as a terminal as an example. As shown in Figure 9, the method includes:
  • the terminal establishes an RRC connection with the first access network device and the second access network device respectively.
  • the first access network device adopts a first network standard
  • the second access network device adopts a second network standard
  • the first network standard and the second network standard are different.
  • the first access network device is an LTE base station
  • the second access network device is an NR base station.
  • the first network standard is LTE
  • the second network standard is NR.
  • the first access network device is an NR base station
  • the second access network device is an LTE base station.
  • the first network standard is NR
  • the second network standard is LTE.
  • the LTE base station may have one cell (ie, the MCG includes only the PCell), or may have multiple cells (ie, the MCG includes the PCell and at least one SCell).
  • the NR base station may have one cell (ie, the SCG includes only the PSCell), or may have multiple cells (ie, the SCG includes the PSCell and at least one SCell).
  • the terminal performs ANR measurement on neighboring cells according to a frequency band combination satisfied by the first frequency band and at least one second frequency band (referred to as X second frequency bands, where X is an integer greater than 0).
  • the terminal may obtain the carrier (ie, the first carrier) of the neighboring cell through cell search.
  • the ANR measurement method used by the terminal can be idle period or autonomous gap.
  • the first frequency band is a frequency band to which the first carrier belongs
  • the first carrier is a carrier of an adjacent cell
  • the network standard adopted by the adjacent cell is the first network standard.
  • the adjacent cells are LTE adjacent cells
  • the adjacent cells are NR adjacent cells.
  • the X second frequency bands are frequency bands to which at least one second carrier (referred to as X' second carriers, X' is an integer greater than 0) belong, and the second carrier is the second access network device that provides services for the terminal
  • the second carrier is the second access network device that provides services for the terminal
  • the second carrier is the carrier of the cell in the SCG
  • the second access network device is the LTE base station
  • the second carrier is the cell in the MCG carrier.
  • the cells of the second access network device that provide services for the terminal include 4 cells, which are respectively cell 1 to cell 4
  • the second carriers corresponding to the 4 cells are respectively the second carrier 1 to the second carrier 4
  • the frequency bands to which the second carrier 1 to the second carrier 4 belong are the X second frequency bands.
  • different second carriers may belong to the same second frequency band or may belong to different second frequency bands.
  • Table 1 for the correspondence between the cell, the second carrier, and the second frequency band.
  • the method further includes: in the first subframe, the terminal determines a frequency band combination that is satisfied by the first frequency band and the X second frequency bands.
  • the first subframe is the starting subframe of the inactive time of the terminal for the first access network device (for the ANR measurement method of the idle period), or, the next subframe of the first subframe is the adjacent cell Receive window for MIB and/or SIB1 (ANR measurement for autonomous gap).
  • the terminal may determine by traversing. Specifically, before determining the frequency band combination satisfied by the first frequency band and the X second frequency bands, the radio frequency parameters of the first frequency band and the X second frequency bands are stored in the memory, and the radio frequency parameters of each frequency band combination are stored in the NV. The terminal can first compare the radio frequency parameters stored in the memory with the radio frequency parameters of each frequency band combination stored in the NV (for example, perform correlation calculation), and find out the radio frequency parameters stored in the memory and the radio frequency of a certain frequency band combination stored in the NV.
  • the terminal can deactivate a second frequency band (referred to as the second frequency band A) in the memory, that is, use the first frequency band and X-1 second frequency bands (the second frequency band A in the X second frequency bands except the second frequency band A) is used.
  • a second frequency band referred to as the second frequency band A
  • the terminal can deactivate a second frequency band (referred to as the second frequency band A) in the memory, that is, use the first frequency band and X-1 second frequency bands (the second frequency band A in the X second frequency bands except the second frequency band A) is used.
  • the terminal can determine all frequency bands. combination.
  • the terminal determines the frequency band combination, it may not determine all the frequency band combinations, but only determine the frequency band combination that contains a number of frequency bands greater than a certain threshold and/or the frequency band of the frequency band to which the carrier of the PSCell belongs.
  • the combination is not limited in this application.
  • the terminal is disconnected from the second access network device as the terminal. Communication on the serving cell, causing traffic disruption.
  • the terminal since the frequency bands satisfying the frequency band combination relationship do not interfere with each other when data transmission is performed at the same time, the terminal performs ANR on adjacent cells according to the frequency band combinations satisfied by the first frequency band and the X second frequency bands. In the measurement, whether to disconnect the communication of the terminal on the cell of the second access network device that serves the terminal can be selected as required, which can reduce traffic interruption.
  • the terminal does not need to wait until the terminal enters the NR CDRX inactive time to start the ANR measurement, which can avoid the LTE ANR measurement or NR ANR measurement in Scheme 2 that cannot be started for a long time, the ANR measurement scheduling is delayed, and the neighbor cell is not discovered in time. Problems such as low switching accuracy.
  • the frequency band combination relationship satisfied by the first frequency band and the X second frequency bands may have the following three cases (referred to as case 1, case 2, and case 3), and the following three cases and the implementation of step 902 in the three cases process is described.
  • Case 1 The first frequency band and X second frequency bands form at least one frequency band combination, and there is a frequency band combination including the first frequency band and X second frequency bands in the at least one frequency band combination.
  • step 902 may include: the terminal performs ANR measurement on a neighboring cell.
  • a frequency band combination including the first frequency band and X second frequency bands may be recorded as a first frequency band combination.
  • the above-mentioned at least one frequency band combination includes the first frequency band combination, it means that the communication of the terminal on the cell of the second access network device that serves the terminal will not interfere with the ANR measurement of the adjacent cell. Therefore, the terminal can directly When the ANR is measured on the adjacent cell, it is not necessary to disconnect the communication of the terminal on the cell of the second access network device that serves the terminal, so as to avoid traffic interruption.
  • the X second frequency bands are the 4 second frequency bands shown in Table 1
  • the first frequency band and the X second frequency bands form 5 frequency band combinations
  • the 5 frequency band combinations can refer to Table 2, because the frequency band combinations 1 includes the first frequency band and the 4 second frequency bands shown in Table 1, therefore, the terminal can directly perform ANR measurement on adjacent cells.
  • Band combination Bands in a band combination Band combination 1 First Band, Second Band 1, Second Band 2, Second Band 3, Second Band 4 Band combination 2 The first frequency band, the second frequency band 1 Band combination 3 First frequency band, second frequency band 1, second frequency band 2, second frequency band 3 Band Combination 4 First Band, Second Band 1, Second Band 3, Second Band 4 Band combination 5 First Band, Second Band 1, Second Band 2, Second Band 4
  • Case 2 The first frequency band and X second frequency bands form at least one frequency band combination, and there is no frequency band combination including the first frequency band and X second frequency bands in the at least one frequency band combination.
  • step 902 may include: the terminal notifies the second access network device to disconnect the communication of the terminal on the N cells, and the terminal performs ANR measurement on the neighboring cells; wherein, the N cells are the Nth cells.
  • the N second carriers are the second carriers corresponding to the second frequency bands that do not belong to the first frequency band combination, the first frequency band combination is one of at least one frequency band combination, and N is an integer greater than 0.
  • the terminal can perform ANR measurement on neighboring cells after disconnecting the terminal's communication on N cells, without disconnecting the terminal's communication on all cells of the second access network equipment serving the terminal, reducing traffic interrupt.
  • the X second frequency bands are the 4 second frequency bands shown in Table 1
  • the first frequency band and the X second frequency bands form 4 frequency band combinations.
  • the 4 frequency band combinations see Table 3.
  • the terminal notifies the second access network device to disconnect the communication of the terminal on the cell 4 corresponding to the second carrier 4 corresponding to the second frequency band 4.
  • Band combination Bands in a band combination Band combination 1 The first frequency band, the second frequency band 1 Band combination 2 First frequency band, second frequency band 1, second frequency band 2, second frequency band 3 Band combination 3 First Band, Second Band 1, Second Band 3, Second Band 4 Band Combination 4 First Band, Second Band 1, Second Band 2, Second Band 4
  • the first frequency band combination may be any one of the above at least one frequency band combination.
  • the first frequency band combination is the optimal frequency band in the above at least one frequency band combination.
  • the optimal frequency band combination refers to the frequency band combination that has the least impact on the traffic of the terminal after the terminal is disconnected from the communication with the cell corresponding to the second carrier that does not belong to the second frequency band in the frequency band combination.
  • the influence of a carrier on the traffic of the terminal may be determined by a parameter corresponding to the carrier, and the parameter may include one or more of the following: an active bandwidth part (BWP) bandwidth, the number of receiving antennas, the latest scheduling modulation and Coding strategy (modulation and coding scheme, MCS).
  • BWP active bandwidth part
  • MCS modulation and coding scheme
  • the first frequency band combination includes the frequency band to which the carrier of the PSCell in the SCG of the second access network device belongs.
  • the access network device is an LTE base station
  • the first frequency band combination includes the frequency band to which the carrier of the PCell in the MCG of the second access network device belongs.
  • Case 3 The first frequency band and any second frequency band among the X second frequency bands do not form a frequency band combination.
  • step 902 may include: the terminal notifies the second access network device to disconnect the communication between the terminal and the cells corresponding to the X' second carriers, and the terminal performs ANR measurement on neighboring cells.
  • the terminal After the terminal is disconnected from all cells of the second access network device that serve the terminal, ANR measurement can be performed on the adjacent cells, so as to successfully complete the ANR measurement of the adjacent cells.
  • the method further includes:
  • the terminal notifies the second access network device to suspend the communication of the terminal on the M cells, and loads the radio frequency parameters corresponding to each frequency band in the first frequency band combination (ie, the above radio frequency NV). By loading the radio frequency parameters corresponding to each frequency band in the first frequency band combination, the terminal can subsequently communicate on the cell through new radio frequency parameters.
  • the M cells are cells corresponding to the M second carriers, the M second carriers are the second carriers corresponding to the second frequency bands in the first frequency band combination, and M is an integer greater than 0.
  • the method further includes:
  • the terminal opens the radio frequency front-end paths of the first carrier and the M second carriers. By opening the radio frequency front-end paths of the first carrier and the M second carriers, the terminal can send and receive data smoothly.
  • the method further includes:
  • the terminal When the radio frequency parameters corresponding to each frequency band in the first frequency band combination are loaded, the terminal notifies the second access network device to resume the terminal's communication on the M cells. By resuming the communication of the terminal on the M cells, during the period when the terminal performs ANR measurement on the neighboring cells, the terminal communicates normally on the M cells, reducing traffic interruption.
  • the method further includes:
  • the terminal When the terminal is in the activation time, the terminal notifies the second access network device to suspend the communication of the terminal in the M cells, and loads the radio frequency parameters corresponding to the X second frequency bands, and when the terminal is in the inactive time, the terminal Directly load the radio frequency parameters corresponding to the X second frequency bands.
  • the terminal when the radio frequency parameters corresponding to the X second frequency bands are loaded, the terminal notifies the second access network device to resume the communication of the terminal on the cells corresponding to the X' second carriers.
  • radio frequency parameters corresponding to X second frequency bands need to be loaded. It can be understood that, for the second access network device, when the terminal is within the activation time, the terminal needs to communicate on M cells. Therefore, in order to prevent errors in the loading of radio frequency parameters corresponding to the X second frequency bands, the terminal can be suspended. Communication over M cells. When the terminal is in the inactive time, the terminal does not need to communicate on the M cells, therefore, the radio frequency parameters corresponding to the X second frequency bands can be directly loaded.
  • the method further includes:
  • the terminal loads the radio frequency parameters corresponding to the S frequency bands.
  • the S frequency bands are frequency bands to which the carriers of the cells of the first access network device that serve the terminal belong.
  • the terminal notifies the first access network device to resume the communication of the terminal on the cell of the first access network device that serves the terminal.
  • the terminal After the terminal completes the ANR measurement of the adjacent cell, it is necessary to restore the communication of the terminal on the cell of the first access network device serving the terminal, because the communication of the terminal on the cell of the first access network device serving the terminal It is disconnected, so the terminal can directly load the radio frequency parameters corresponding to the S frequency bands.
  • the method further includes:
  • the terminal opens the radio frequency front-end paths of X' second carriers.
  • the terminal After the terminal completes the ANR measurement of the adjacent cell, for the second access network device, when the terminal is within the activation time, the terminal needs to communicate on the cell of the second access network device that serves the terminal. Therefore, the terminal needs to Open the RF front-end paths of the X' second carriers.
  • the method further includes:
  • the terminal opens the radio frequency front-end path of the carrier of the cell of the first access network device that serves the terminal.
  • the terminal After the terminal completes the ANR measurement of the adjacent cell, for the first access network device, when the terminal is within the activation time, the terminal needs to communicate on the cell of the first access network device that serves the terminal. Therefore, the terminal needs to The radio frequency front-end path of the carrier of the cell serving the terminal of the first access network device is opened.
  • the method includes:
  • the terminal starts ANR measurement.
  • the terminal determines whether the first frequency band and X second frequency bands form a frequency band combination.
  • the terminal performs LTE ANR measurement.
  • the terminal determines whether the first frequency band and the second frequency band to which the second carrier of the PSCell belongs belong to a frequency band combination.
  • step 1005 If not, go to step 1005, if yes, go to step 1006-step 1015.
  • the terminal notifies the NR base station to disconnect the communication of the terminal on all cells in the SCG, and performs LTE ANR measurement.
  • the frequency band combination that satisfies the condition refers to a frequency band combination of X+1-i frequency bands including the first frequency band and the second frequency band to which the second carrier of the PSCell belongs.
  • step 1008-step 1013 If yes, go to step 1014 and step 1015.
  • step 1013 If yes, go to step 1009-step 1012. If not, go to step 1013.
  • step 1011-step 1012 If yes, go to step 1011-step 1012, if not, go to step 1012.
  • step 1012 For the specific implementation of step 1012, reference may be made to the specific implementation of the present application in the above-mentioned case 2, and details are not repeated here.
  • step 1013 For the specific implementation of step 1013, reference may be made to the specific implementation of the present application in the above-mentioned case 2, and details are not repeated here.
  • the first access network device is an LTE base station
  • the second access network device is an NR base station
  • the frequency band combination relationship satisfied by the first frequency band and the X second frequency bands is the above case 1 (that is, the first frequency band and X
  • the second frequency band forms at least one frequency band combination, and at least one frequency band combination includes a frequency band combination including the first frequency band and X second frequency bands)
  • the ANR measurement method is idle period as an example to simplify the process of the method provided in this application introduce.
  • Embodiment 1 includes:
  • the terminal enters the LTE CDRX inactive time in subframe 0, and the terminal determines in subframe 0 that ANR measurement needs to be started, and the first frequency band and X second frequency bands form a frequency band combination.
  • the first frequency band is the frequency band to which the first carrier of the LTE adjacent cell belongs.
  • the X second frequency bands are frequency bands to which the carriers of all cells in the SCG belong.
  • the terminal When the terminal is in a connected state with the NR base station, the terminal notifies the NR base station to suspend the communication of the terminal on all cells in the SCG.
  • the terminal loads the radio frequency parameters of the first frequency band and the X second frequency bands, and opens the radio frequency front-end paths of the first carrier and the carriers of all cells in the SCG.
  • the radio frequency parameters of the first frequency band and the X second frequency bands are loaded, and the radio frequency front-end paths of the first carrier and the carriers of all cells in the SCG are opened, and the terminal returns to Communication on all cells in the SCG and start LTE ANR measurements.
  • the communication of the terminal on all cells in the SCG is carried out normally.
  • the terminal enters the NR CDRX inactive time it can be processed according to the normal process, and the LTE ANR measurement is not affected.
  • subframe N+1 of the LTE CDRX inactive time the terminal completes the LTE ANR measurement.
  • the terminal When the terminal is in the NR CDRX activation time, the terminal notifies the NR base station to suspend the communication of the terminal on all cells in the SCG, and loads the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG, and opens the SCG.
  • the RF front-end path of the carrier of all cells When the terminal is in the NR CDRX activation time, the terminal notifies the NR base station to suspend the communication of the terminal on all cells in the SCG, and loads the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG, and opens the SCG.
  • the RF front-end path of the carrier of all cells When the terminal is in the NR CDRX activation time, the terminal notifies the NR base station to suspend the communication of the terminal on all cells in the SCG, and loads the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG, and opens the SCG.
  • subframe N+2 of the LTE CDRX inactive time the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG are loaded, and the radio frequency front-end paths of the carriers of all the cells in the SCG are opened, and the terminal The NR base station is notified to resume communication on all cells in the SCG.
  • the terminal uses radio frequency front-end path 1, radio frequency front-end path 2 and radio frequency front-end path 3 to communicate on NR cell 1, NR cell 2 and NR cell 3 respectively, wherein, The NR cell 1 is the primary and secondary cell, and the NR cell 2 and the NR cell 3 are the secondary cell 1 and the secondary cell 2, respectively.
  • the RF front-end channel 1, RF front-end channel 2 and RF front-end channel 3 are used in NR cell 1, NR cell 2 and NR cell respectively. 3, and also use the RF front-end channel 4 to communicate on the LTE adjacent cell.
  • Embodiment 1 it is assumed that the NR base station has K service carriers and the service flow of each service carrier is average, the PDSCH scheduling of each time slot is uniform, and the N LTE subframes can be guaranteed within N+2 LTE subframes.
  • the service of the NR service carrier is continuous, and the traffic can be increased by (N/N+2) times.
  • the first access network device is an NR base station
  • the second access network device is an LTE base station
  • the first frequency band and the X second frequency bands satisfy the frequency band combination relationship of the above case 1
  • the ANR measurement method is idle period
  • the first access network device is an LTE base station
  • the second access network device is an NR base station
  • the frequency band combination relationship satisfied by the first frequency band and the X second frequency bands is the above case 1 (that is, the first frequency band and X
  • the second frequency band constitutes at least one frequency band combination, and at least one frequency band combination includes a frequency band combination including the first frequency band and X second frequency bands)
  • the ANR measurement method is autonomous gap as an example to simplify the process of the method provided in this application introduce.
  • the method provided by Embodiment 2 includes:
  • the terminal determines, in subframe 0, that subframe 1 is the receiving window of the MIB and/or SIB1 of the neighboring cell, determines to start ANR measurement, and determines that the first frequency band and X second frequency bands form a frequency band combination.
  • the first frequency band is the frequency band to which the first carrier of the LTE adjacent cell belongs.
  • the X second frequency bands are frequency bands to which the carriers of all cells in the SCG belong.
  • step 1302 the same as step 1102.
  • the terminal is restored to all cells in the SCG. communication and initiate LTE ANR measurements.
  • the communication of the terminal on all cells in the SCG is carried out normally.
  • the terminal enters the NR CDRX inactive time it can be processed according to the normal process, and the LTE ANR measurement is not affected.
  • subframe N+1 the terminal completes LTE ANR measurement.
  • subframe N+2 the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG are loaded, and the radio frequency front-end paths of the carriers of all the cells in the SCG are opened, and the terminal notifies the NR base station to restore the SCG. communication on all cells in .
  • Embodiment 2 when the terminal does not perform ANR measurement and performs ANR measurement, reference may be made to FIG. 12 for the communication situation of the terminal, and details are not repeated here. Similar to Embodiment 1, in Embodiment 2, the flow rate can be increased by (N/N+2) times.
  • the first access network device is an LTE base station
  • the second access network device is an NR base station
  • the frequency band combination relationship satisfied by the first frequency band and the X second frequency bands is the above case 2 (that is, the first frequency band and X
  • the second frequency band constitutes at least one frequency band combination, and there is no frequency band combination including the first frequency band and X second frequency bands in the at least one frequency band combination)
  • the ANR measurement method is idle period as an example to describe the process of the method provided in this application. basic introduction.
  • the method provided by Embodiment 3 includes:
  • the terminal enters the LTE CDRX inactive time in subframe 0, and the terminal determines in subframe 0 that it is necessary to start ANR measurement, determines a frequency band combination composed of the first frequency band and X second frequency bands, and determines the first frequency band in these frequency band combinations combination.
  • the first frequency band is the frequency band to which the first carrier of the LTE adjacent cell belongs.
  • the X second frequency bands are frequency bands to which the carriers of all cells in the SCG belong.
  • the frequency band combination composed of the first frequency band and the X second frequency bands may be as shown in Table 3 above.
  • the first frequency band combination can be the frequency band combination with the largest number of frequency bands including the frequency band to which the carrier of the PSCell belongs. Band combination. When there are more than one frequency band combination that has the least impact on the traffic of the terminal, one frequency band combination is arbitrarily selected as the first frequency band combination.
  • the frequency band combination composed of the first frequency band and X second frequency bands is shown in Table 3, and the parameters corresponding to each second frequency band are shown in Table 4, because the frequency band combination 2, the frequency band combination 3 and the frequency band Combination 4 is the frequency band combination with the largest number of frequency bands including the frequency band to which the carrier of the PSCell belongs. Therefore, the first frequency band combination can be determined from frequency band combination 2, frequency band combination 3 and frequency band combination 4.
  • the frequency band combination that does not include the second frequency band 2 to which the second carrier 2 belongs ie, the frequency band combination 3
  • the frequency band combination 3 is the first frequency band combination .
  • the frequency band combination formed by the first frequency band and the X second frequency bands is as shown in Table 3 above, and the parameters corresponding to each of the second frequency bands are shown in Table 5. Since the frequency band combination 2, frequency band combination 3 and frequency band combination 4 are the frequency band combinations with the largest number of frequency bands including the frequency band to which the carrier of the PSCell belongs, the frequency band combination 2, frequency band combination 3 and frequency band combination 4 can be determined. A frequency band combination.
  • the frequency band combination that does not include the second frequency band 4 to which the second carrier 4 belongs that is, the frequency band combination 2
  • the frequency band combination 2 is the first frequency band combination .
  • the terminal When the terminal is in a connected state with the NR base station, the terminal notifies the NR base station to disconnect the terminal's communication on the N cells, and notifies the NR base station to suspend the terminal's communication on the M cells.
  • the N cells are cells corresponding to the N second carriers, and the N second carriers are the second carriers corresponding to the second frequency bands that do not belong to the first frequency band combination.
  • the M cells are cells corresponding to the M second carriers, and the M second carriers are the second carriers corresponding to the second frequency bands in the first frequency band combination.
  • the terminal loads the radio frequency parameters of the first frequency band and each frequency band in the combination of the first frequency band, and opens the radio frequency front-end paths of the first carrier and the M second carriers.
  • the communication of the terminal on the M cells is carried out normally.
  • the terminal enters the NR CDRX inactive time, it can be processed according to the normal process, and the LTE ANR measurement is not affected.
  • the terminal completes the LTE ANR measurement.
  • the terminal When the terminal is in the NR CDRX activation time, the terminal notifies the NR base station to suspend the communication of the terminal on M cells, and loads the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG, and opens all the radio frequency parameters in the SCG.
  • the radio frequency front-end path of the carrier of the cell When the terminal is in the NR CDRX activation time, the terminal notifies the NR base station to suspend the communication of the terminal on M cells, and loads the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG, and opens all the radio frequency parameters in the SCG.
  • the radio frequency front-end path of the carrier of the cell The radio frequency front-end path of the carrier of the cell.
  • subframe N+2 of the LTE CDRX inactive time the radio frequency parameters of all cells in the MCG and the radio frequency parameters of all cells in the SCG are loaded, and the radio frequency front-end paths of the carriers of all the cells in the SCG are opened, and the terminal The NR base station is notified to resume communication on all cells in the SCG.
  • the terminal when the terminal does not perform ANR measurement, uses RF front-end path 1, RF front-end path 2, and RF front-end path 3 to communicate on NR cell 1, NR cell 2, and NR cell 3, respectively, wherein, The NR cell 1 is the primary and secondary cell, and the NR cell 2 and the NR cell 3 are the secondary cell 1 and the secondary cell 2, respectively.
  • the first frequency band combination does not include the frequency band to which the carrier of NR cell 3 belongs
  • the terminal when the terminal performs ANR measurement, it uses RF front-end channel 1 and RF front-end channel 2 to communicate on NR cell 1 and NR cell 2 respectively, and uses the RF front-end channel 3 Communicate on LTE neighbors.
  • Embodiment 3 it is assumed that the NR base station has K service carriers and the service flow of each service carrier is average, and the PDSCH scheduling of each time slot is uniform.
  • Service carriers L ⁇ K, and L service carriers include PScell carriers
  • the service continuity of the NR remaining service carriers of N LTE subframes can be guaranteed within N+2 LTE subframes, and the traffic can be obtained (L/K )*(N/N+2) times the improvement.
  • the first access network device is an NR base station
  • the second access network device is an LTE base station
  • the first frequency band and X second frequency bands satisfy the frequency band combination relationship of the above case 2
  • the ANR measurement method is idle period
  • the carrier wave may also be replaced by a frequency point.
  • each network element for example, an ANR measurement apparatus includes at least one of a hardware structure and a software module corresponding to executing each function in order to implement the above-mentioned functions.
  • a hardware structure for example, a hardware structure
  • a software module corresponding to executing each function in order to implement the above-mentioned functions.
  • the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • the ANR measurement apparatus may be divided into functional units according to the above method examples.
  • each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units. It should be noted that the division of units in the embodiments of the present application is illustrative, and is only a logical function division, and other division methods may be used in actual implementation.
  • FIG. 16 shows a possible schematic structural diagram of the ANR measurement apparatus (referred to as ANR measurement apparatus 160 ) involved in the above-mentioned embodiment, where the ANR measurement apparatus 160 includes a processing unit 1601 and a communication unit 1602 . Optionally, a storage unit 1603 is also included.
  • the ANR measurement apparatus 160 may be, for example, the above-mentioned terminal.
  • the processing unit 1601 is configured to control and manage the actions of the ANR measurement device. For example, the processing unit 1601 is configured to execute the steps in FIG. 9 , FIG. 10 , FIG. 11 , FIG. 13 , and FIG. Actions performed by the ANR measurement device in the other procedures described.
  • the processing unit 1601 may communicate with other network entities through the communication unit 1602, for example, with the first access network device and/or the second access network device.
  • the storage unit 1603 is used to store program codes and data of the ANR measurement device.
  • the ANR measurement apparatus 160 may be a device or a communication chip or a chip system.
  • the processing unit 1601 may be a processor; the communication unit 1602 may be a communication interface, a transceiver, or an input interface and/or an output interface.
  • the transceiver may be a transceiver circuit.
  • the input interface may be an input circuit, and the output interface may be an output circuit.
  • the communication unit 1602 may be a communication interface, an input interface and/or an output interface, an interface circuit, an output circuit, an input circuit, a pin or a related interface on the communication chip or the chip system circuit, etc.
  • the processing unit 1601 may be a processor, a processing circuit, a logic circuit, or the like.
  • the communication device (or ANR measurement device) in the embodiments of the present application may be the whole computer of the computing device, or may be part of the device in the computing device, for example, a chip related to wireless communication functions, such as a system chip and a communication chip.
  • the system-on-a-chip is also called a system-on-chip, or a SoC chip.
  • the communication device (or ANR measurement device) may be a terminal such as a smart phone, or may be a system chip or a communication chip that can be provided in the terminal.
  • the communication chip may include one or more of a radio frequency processing chip and a baseband processing chip. Baseband processing chips are also sometimes referred to as modems or baseband processors or baseband modules.
  • the communication chip may be integrated inside the SoC chip or not integrated with the SoC chip.
  • the baseband processing chip is integrated in the SoC chip, and the radio frequency processing chip is not integrated with the SoC chip.
  • the integrated units in FIG. 16 may be stored in a computer-readable storage medium if implemented in the form of software functional modules and sold or used as independent products.
  • the medium includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • Storage media for storing computer software products include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), magnetic disk or CD, etc. that can store program codes medium.
  • An embodiment of the present application also provides a schematic diagram of the hardware structure of an ANR measurement apparatus, see FIG. 17 or FIG. 18 , the ANR measurement apparatus includes a processor 1701 , and optionally, a memory 1702 connected to the processor 1701 .
  • the processor 1701 can be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more processors used to control the execution of the programs of the present application. integrated circuit.
  • the processor 1701 may also include multiple CPUs, and the processor 1701 may be a single-CPU processor or a multi-CPU processor.
  • a processor herein may refer to one or more devices, circuits, or processing cores for processing data (eg, computer program instructions).
  • the memory 1702 may be a ROM or other type of static storage device that can store static information and instructions, a RAM or other type of dynamic storage device that can store information and instructions, or an electrically erasable programmable read-only memory.
  • read-only memory EEPROM
  • CD-ROM compact disc read-only memory
  • optical disc storage including compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • magnetic disk A storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program codes in the form of instructions or data structures and that can be accessed by a computer, is not limited in this embodiment of the present application.
  • the memory 1702 may exist independently (in this case, the processor may be located outside the ANR measurement apparatus, or may be located in the ANR measurement apparatus), or may be integrated with the processor 1701 . Among them, the memory 1702 may contain computer program code.
  • the processor 1701 is configured to execute the computer program codes stored in the memory 1702, so as to implement the methods provided by the embodiments of the present application.
  • the ANR measurement apparatus further includes a transceiver 1703 .
  • the processor 1701, the memory 1702 and the transceiver 1703 are connected by a bus.
  • the transceiver 1703 is used to communicate with other devices or communication networks.
  • the transceiver 1703 may include a transmitter and a receiver.
  • the device in the transceiver 1703 for implementing the receiving function may be regarded as a receiver, and the receiver is configured to perform the receiving steps in the embodiments of the present application.
  • a device in the transceiver 1703 for implementing the sending function may be regarded as a transmitter, and the transmitter is used to perform the sending step in the embodiment of the present application.
  • the processor 1701 is configured to control and manage the actions of the ANR measurement apparatus.
  • the processor 1701 is configured to execute the steps in FIG. 9 , FIG. 10 , FIG. 11 , FIG. 13 , and FIG. Actions performed by the ANR measurement device in the other procedures described.
  • the processor 1701 may communicate with other network entities through the transceiver 1703, eg, with the first access network device and/or the second access network device.
  • the memory 1702 is used to store program codes and data of the ANR measurement device.
  • the processor 1701 includes a logic circuit and at least one of an input interface and an output interface.
  • the output interface is used for performing the sending action in the corresponding method
  • the input interface is used for performing the receiving action in the corresponding method.
  • the processor 1701 is configured to control and manage the actions of the ANR measurement apparatus.
  • the processor 1701 is configured to execute the steps in FIG. 9 , FIG. 10 , FIG. 11 , FIG. 13 , and FIG. Actions performed by the ANR measurement device in the other procedures described.
  • the processor 1701 may communicate with other network entities, eg, with the first access network device and/or the second access network device, through at least one of an input interface and an output interface.
  • the memory 1702 is used to store program codes and data of the ANR measurement device.
  • each step in the method provided in this embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software.
  • 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.
  • Embodiments of the present application further provide a computer-readable storage medium, including computer-executable instructions, which, when executed on the computer, cause the computer to execute any of the foregoing methods.
  • Embodiments of the present application also provide a computer program product, which includes computer-executable instructions, which, when executed on the computer, cause the computer to execute any of the foregoing methods.
  • the embodiment of the present application also provides an ANR measurement device, including: a processor and an interface, the processor is coupled with the memory through the interface, and when the processor executes the computer program in the memory or the computer executes the instructions, any of the methods provided in the above embodiments are made A method is executed.
  • An embodiment of the present application further provides a communication system, including the above communication device (or ANR measurement device). Optionally, it also includes the above-mentioned first access network device and/or second access network device.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • 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 transmitted from a website site, computer, server, or data center over a wire (e.g.
  • coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) means to transmit to another website site, computer, server or data center.
  • Computer-readable storage media can be any available media that can be accessed by a computer or data storage devices including one or more servers, data centers, etc., that can be integrated with the media.
  • Useful media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state disks (SSDs)), and the like.

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

Abstract

Procédé, appareil et système de mesure ANR, se rapportant au domaine technique des communications. Dans le procédé, un terminal (130) établissant une connexion de commande de ressources radio (RRC) avec un premier dispositif de réseau d'accès (110) et un second dispositif de réseau d'accès (120) respectivement, et réalisant une mesure ANR sur une cellule voisine selon une combinaison de bandes de fréquence satisfaite par une première bande de fréquence et au moins une seconde bande de fréquence. La première bande de fréquence est une bande de fréquence à laquelle appartient une première porteuse, la première porteuse est une porteuse de la cellule voisine, la norme de réseau utilisée par la cellule voisine est une première norme de réseau utilisée par le premier dispositif de réseau d'accès (110), l'au moins une seconde bande de fréquence est une bande de fréquence à laquelle l'au moins une seconde porteuse appartient, et la seconde porteuse est une porteuse d'une cellule du second dispositif de réseau d'accès (120) fournissant un service pour le terminal (130). Étant donné que les bandes de fréquence satisfaisant la relation de combinaison de bandes de fréquence n'interfèrent pas l'une avec l'autre pendant une transmission de données simultanée, et que le terminal (130) réalise une mesure ANR sur la cellule voisine selon la combinaison de bandes de fréquence satisfaite par la première bande de fréquence et l'au moins une seconde bande de fréquence, une interruption de trafic peut être réduite.
PCT/CN2020/099598 2020-06-30 2020-06-30 Procédé, appareil et système de mesure de relation de voisinage automatique (anr) WO2022000352A1 (fr)

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CN202080006857.8A CN114128342B (zh) 2020-06-30 2020-06-30 自动邻区关系anr测量方法、装置及系统

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