WO2023208098A1 - Procédé et appareil de communication, puce et dispositif de module - Google Patents

Procédé et appareil de communication, puce et dispositif de module Download PDF

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Publication number
WO2023208098A1
WO2023208098A1 PCT/CN2023/091090 CN2023091090W WO2023208098A1 WO 2023208098 A1 WO2023208098 A1 WO 2023208098A1 CN 2023091090 W CN2023091090 W CN 2023091090W WO 2023208098 A1 WO2023208098 A1 WO 2023208098A1
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WO
WIPO (PCT)
Prior art keywords
carrier
indication information
random access
paging
network device
Prior art date
Application number
PCT/CN2023/091090
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English (en)
Chinese (zh)
Inventor
雷珍珠
周化雨
Original Assignee
展讯半导体(南京)有限公司
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Publication of WO2023208098A1 publication Critical patent/WO2023208098A1/fr

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0833Random access procedures, e.g. with 4-step access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0212Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005Transmission of information for alerting of incoming communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA

Definitions

  • the present application relates to the field of communication technology, and in particular, to a communication method, device, chip and module equipment.
  • 5G fifth-generation mobile communications
  • 5G fifth-generation mobile communications
  • the energy consumption of a base station can generally be divided into two parts.
  • One part is dynamic energy consumption. Dynamic energy consumption changes with changes in the terminal's business and data volume, such as data transmission. Part of it is static energy consumption (no matter how big the network load is, this part of the energy consumption must be consumed by the base station at present).
  • Static energy consumption mainly includes static receiving energy consumption and static sending energy consumption. Static receiving energy consumption mainly includes the configuration of the network.
  • the random access message 1 (Msg1) is received on the random access resource.
  • the static transmission energy consumption mainly includes the transmission of synchronization signal block (synchronization signal and PBCH block, SSB), paging transmission, system information block (SIB) )Send etc. How to optimize the static energy consumption of base stations is one of the effective ways to improve the energy efficiency of base stations, and it is also an urgent problem for those skilled in the art to solve.
  • This application provides a communication method, device, chip and module equipment, which can reduce the energy consumption of network equipment, thereby improving the energy efficiency of network equipment.
  • this application provides a communication method, which method includes: sending indication information to a terminal through a first carrier, the indication information being used to indicate one or more second carriers, the coverage of the second carrier The range is within the coverage of the first carrier; the paging message is only sent on the second carrier indicated by the indication information.
  • the network equipment does not need to send paging messages on all second carriers, which can reduce the energy consumption of the network equipment, thereby improving the energy efficiency of the network equipment.
  • the indication information is used to indicate N second carrier groups, the N second carrier groups include the one or more second carriers, and N is greater than 0 integer.
  • the method further includes: sending system information through the first carrier, the system information including grouping information of the second carrier, and the grouping information is used to Indicates the second carriers included in the M second carrier groups, the N second carrier groups belong to the M second carrier groups, and M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the The field is used to indicate whether the corresponding second carrier group supports paging.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identifiers of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the present application provides a communication method, which method includes: receiving indication information from a network device through a first carrier, the indication information being used to indicate one or more second carriers, the second carrier The coverage range is within the coverage range of the first carrier; the paging message is received only on the second carrier indicated by the indication information.
  • the indication information is used to indicate N second carrier groups, the N second carrier groups include the one or more second carriers, and N is greater than 0 integer.
  • the method further includes:
  • system information from a network device through the first carrier, where the system information includes grouping information of the second carrier, where the grouping information is used to indicate second carriers included in M second carrier groups, and the N
  • the second carrier groups belong to the M second carrier groups, where M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the The field is used to indicate whether the corresponding second carrier group supports paging.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identifiers of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • receiving the paging message only on the second carrier indicated by the indication information includes: only receiving the paging message on the second carrier indicated by the indication information and satisfying the cell residency condition.
  • the paging message is received on the second carrier; wherein the signal quality of the reference signal on the second carrier that satisfies the cell residency condition is higher than a preset threshold; the method also includes: if the indication information indicates If the second carrier that satisfies the cell residency condition does not exist among the second carriers, the paging message is received through the first carrier.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the present application provides a communication method, which method includes: sending indication information to a terminal through a first carrier, the indication information being used to indicate whether to support initiating random access on a second carrier, and the third The coverage of the second carrier is within the coverage of the first carrier; when the indication information indicates that random access is supported on the second carrier, reception is only performed on the second carrier that supports random access.
  • Message 1 the indication information indicates that random access is supported on the second carrier, reception is only performed on the second carrier that supports random access.
  • the network device when the indication information is used to indicate that random access is not supported on all second carriers, the network device does not need to detect the Msg1 sent by the terminal on the RO resources configured on the second carrier; when the indication information is used to indicate that random access is not supported on all second carriers, When indicating one or more second carriers that support random access, the network device does not need to detect the Msg1 sent by the terminal on the RO resources configured for all second carriers, which can reduce the energy consumption of the network device and thereby improve the performance of the network device. efficiency.
  • the indication information when the indication information indicates support for transmitting on the second carrier When random access is enabled, the indication information is also used to indicate N second carrier groups to which the second carrier supporting random access belongs, where N is an integer greater than 0.
  • the method further includes: sending system information through the first carrier, the system information including grouping information of the second carrier, and the grouping information is used to Indicates the second carriers included in the M second carrier groups, the N second carrier groups belong to the M second carrier groups, and M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the The field is used to indicate whether the corresponding second carrier group supports random access.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identification indication information of the N second carrier groups.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the present application provides a communication method, which method includes: receiving indication information from a network device through a first carrier, where the indication information is used to indicate whether to support initiating random access on the second carrier, so The coverage range of the second carrier is within the coverage range of the first carrier; when the indication information indicates that random access is supported on the second carrier, only the second carrier that supports random access is supported. Send message on 1.
  • the message is only sent on the second carrier that supports random access. 1: When the indication information indicates that random access is supported on the second carrier, message 1 is only sent on the second carrier that supports random access and meets the cell residency conditions; wherein, The signal quality of the reference signal on the second carrier that satisfies the cell residency condition is higher than a preset threshold; the method also includes: if the second carrier that supports initiating random access as indicated by the indication information does not If the second carrier that satisfies the cell residency condition exists, the paging message is sent through the first carrier.
  • the indication information when the indication information indicates support for initiating random access on the indication information on the second carrier, the indication information is also used to indicate support for random access.
  • the method further includes: receiving system information from the network device through the first carrier, where the system information includes grouping information of the second carrier, The grouping information is used to indicate second carriers included in M second carrier groups, the N second carrier groups belong to the M second carrier groups, and M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the The field is used to indicate whether the corresponding second carrier group supports random access.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identifiers of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the present application provides a communication device, including a unit for implementing the method in the above first aspect and any possible implementation thereof, or for implementing the above second aspect and any possible implementation thereof.
  • the present application provides a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to call the computer program from the memory, so that the The communication device performs the method in the above-mentioned first aspect and any possible implementation thereof, or is used to perform the method in the above-mentioned second aspect and any possible implementation thereof, or is used to perform the above-mentioned third aspect.
  • the present application provides a communication device, including: a logic circuit and an interface; the logic circuit is coupled to the interface; the interface is used to input and/or output code instructions, and the logic circuit is used to execute
  • the code instructions are so as to cause the method in the above-mentioned first aspect and any possible implementation thereof to be executed, or to cause the method in the above-mentioned second aspect and any possible implementation thereof to be executed, or, The method in the above third aspect and any possible implementation thereof is executed, or the method in the above fourth aspect and any possible implementation thereof is executed.
  • the present application provides a module device.
  • the module device includes a communication module, a power module, a storage module and a chip module, wherein: the power module is used to provide the module with The device provides electrical energy; the storage module is used to store data and instructions; the communication module is used for internal communication of the module device, or for communication between the module device and external devices; the chip module is used for For performing the method in the above-mentioned first aspect and any possible implementation manner thereof, or for performing the method in the above-mentioned second aspect and any possible implementation manner thereof, or for performing the above-mentioned third aspect The method in the fourth aspect and any possible implementation thereof, or used to perform the method in the above fourth aspect and any possible implementation thereof.
  • the present application provides a computer-readable storage medium.
  • Computer-readable instructions are stored in the computer-readable storage medium.
  • the computer-readable instructions When the computer-readable instructions are run on a computer, they cause the computer to execute the following steps: The method in the above-mentioned first aspect and any possible implementation thereof, or the method in the above-mentioned second aspect and any possible implementation thereof is performed, or the method in the above-mentioned third aspect and any possible implementation thereof is performed.
  • the present application provides a computer program or computer program product, including code or instructions.
  • the code or instructions When the code or instructions are run on a computer, the computer executes the above-mentioned first aspect and any possible implementation manner thereof.
  • the present application provides a communication system.
  • the communication system includes a network device and a terminal.
  • the network device is configured to perform the method in the above-mentioned first aspect or any possible implementation of the first aspect, so
  • the terminal is configured to perform the method in the above second aspect or any possible implementation of the second aspect; or the network device is configured to perform the method in any possible implementation of the above third aspect or the first aspect.
  • Method the terminal is configured to perform the method in the above fourth aspect or any possible implementation manner of the fourth aspect.
  • the network device only sends the paging message on the second carrier indicated by the indication information. It is not necessary to send the paging message on all the second carriers. This can reduce the energy consumption of the network device, thereby improving the efficiency of the network device. energy efficiency.
  • Figure 1 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of a paging moment provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of PEI and PO provided by the embodiment of the present application.
  • Figure 4 is a schematic flow diagram of a random access provided by an embodiment of the present application.
  • Figure 5 is a flow chart of a communication method provided by an embodiment of the present application.
  • Figure 6 is a flow chart of yet another communication method provided by an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • Figure 8 is a schematic structural diagram of another communication device according to an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of yet another communication device according to an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of another communication device according to an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • Figure 12 is a schematic structural diagram of a module device provided by an embodiment of the present application.
  • the network architecture shown in Figure 1 is the network architecture of a wireless communication system.
  • the network architecture usually includes terminals and network devices. The number and form of each device do not constitute a limitation of this application. Limitations of Examples.
  • Figure 1 illustrates three network devices (network device 1, network device 2, and network device 3) and a terminal.
  • the network device 1, network device 2 and network device 3 can provide communication services for the terminal.
  • the terminal can select a cell corresponding to a network device to camp on (illustrated as network device 2 in Figure 1).
  • the network device 1 may be called an anchor base station
  • the carrier used by the network device 1 may be called an anchor carrier
  • its coverage area may be called an anchor cell (non-anchor cell).
  • Network device 2 and network device 3 can be called non-anchor base stations, the carriers used by network device 2 and network device 3 can be called non-anchor carriers (non-anchor carrier), and their coverage can be called non-anchor cells ( non-anchor cell).
  • the anchor cell and the non-anchor cell may also be provided by the same network device.
  • the anchor carrier (or cell) and the non-anchor carrier (or cell) are further introduced below.
  • these concepts are proposed to achieve the purpose of network energy saving (network power saving).
  • network energy saving network power saving
  • 5G network due to the large number of spectrum resources, such as 1 gigahertz (GHz), 2GHz, 4GHz, 6GHz and 26GHz, when the network load is low, some frequency bands (such as 4GHz , 6GHz or 26GHz, etc.) corresponding carriers or cells can be turned off as much as possible and turned on as needed to achieve the purpose of network energy saving. That is to say, when the network load is low, some carriers or cells do not need to carry data.
  • network energy saving can be achieved by switching certain carriers, but this generally needs to be achieved when the network load is low.
  • This type of carrier or cell that is controlled by the network and can be turned on on demand can be called a non-anchor carrier or a non-anchor cell, or a second-type carrier or a second-type cell, or a secondary carrier.
  • secondary cell which is also called the second carrier in the embodiment of this application.
  • a carrier or cell that is not closed may be called an anchor carrier or anchor cell, or a first-type carrier or a first-type cell, or a primary carrier (primary carrier) or primary cell (PCell). ), in the embodiment of this application, is also called the first carrier.
  • primary carrier primary carrier
  • PCell primary cell
  • the coverage range of the non-anchor carrier is within the coverage range of the anchor carrier (or cell).
  • Anchor carriers provide wide-area coverage, while non-anchor carriers cover smaller areas and provide high-speed data transmission services.
  • non-anchor carriers or cells still need to send measurement reference signals to support terminal access and mobility.
  • the network device 1 corresponding to the anchor cell (or first carrier) shown in Figure 1 can be used as a control device in the network architecture to generate and send the instruction information in the embodiment of this application.
  • the indication information is used to indicate paging or random access related policies.
  • the network device 1 may send the indication information to the network device 2 and the network device 3 corresponding to the terminal and/or the non-anchor cell (or called the second carrier).
  • the second carrier the non-anchor cell
  • a centralized control device (also a network device) in the network architecture shown in Figure 1.
  • the centralized control device may serve as a control device in the network architecture to generate and send
  • the indication information in the embodiment of the present application is used to indicate policies related to paging or random access. for different situations
  • the centralized control device can communicate with the network device 1 to transmit the instruction information in the embodiment of the present application to the network device 1, and then the network device 1 transmits it to the network device 2 and network corresponding to the terminal and/or non-anchor cell.
  • Device 3 sends this indication information.
  • the centralized control device can also communicate with all network devices within the control range (network device 1, network device 2, and network device 3) to transmit the indication information.
  • network device 1, network device 2, and network device 3 can also communicate with all network devices within the control range to transmit the indication information.
  • wireless communication systems mentioned in the embodiments of this application include but are not limited to: Internet of things (IoT), long term evolution (LTE), 5G system, new radio (new radio) , NR) system, sixth-generation mobile communication (6th-generation, 6G) system and future mobile communication system.
  • IoT Internet of things
  • LTE long term evolution
  • 5G new radio
  • NR new radio
  • 6G sixth-generation mobile communication
  • the terminal in the embodiment of the present application is a device with wireless communication functions, which can be called a terminal (terminal), user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT) , access terminal equipment, vehicle-mounted terminal equipment, industrial control terminal equipment, UE unit, UE station, mobile station, remote station, remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE agent or UE device, etc.
  • a terminal terminal
  • user equipment user equipment
  • UE mobile station
  • MS mobile terminal
  • MT mobile terminal
  • access terminal equipment vehicle-mounted terminal equipment
  • industrial control terminal equipment UE unit
  • UE station mobile station
  • remote station remote terminal equipment
  • mobile equipment UE terminal equipment
  • wireless communication equipment UE agent or UE device
  • Terminals can be fixed or mobile. It should be noted that the terminal may support at least one wireless communication technology, such as LTE, NR, etc.
  • the terminal can be a mobile phone (mobile phone), tablet computer (pad), desktop computer, laptop computer, all-in-one computer, vehicle-mounted terminal, virtual reality (VR) terminal device, augmented reality (AR) terminal device , wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, wireless terminals in smart grid, transportation safety ( Wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local Wireless local loop (WLL) station, personal digital assistant (PDA), handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, wearable device, future mobile communication network or terminals in the future evolved public land mobile network (PLMN), etc.
  • the terminal may also be a device with transceiver functions, such as
  • the network device is a device that provides wireless communication functions for terminals, and may also be called a radio access network (radio access network, RAN) device, an access network element, etc.
  • the network device can support at least one wireless communication technology, such as LTE, NR, etc.
  • network equipment includes but is not limited to: next-generation base station (generation nodeB, gNB), evolved node B (evolved node B, eNB), radio network controller (radio network controller, RNC), node B ( node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved node B, or home node B, HNB), baseband unit (baseband unit, BBU), transmitting and receiving point (TRP), transmitting point (TP), mobile switching center, etc.
  • generation nodeB generation nodeB, gNB
  • evolved node B evolved node B
  • eNB evolved node B
  • RNC radio network controller
  • node B node B
  • BSC base station controller
  • BTS base transceiver station
  • home base station for example, home evolved node B, or home node B, HNB
  • baseband unit baseband unit
  • TRP transmitting and receiving point
  • TP transmitting point
  • mobile switching center etc.
  • the network device may also be a wireless controller, a centralized unit (CU), and/or a distributed unit (DU) in a cloud radio access network (CRAN) scenario, or the network device may be Relay stations, access points, vehicle-mounted equipment, wearable devices, and network equipment in future mobile communications or network equipment in future evolved PLMNs, etc.
  • the network device may also be a device with a wireless communication function for the terminal, such as a chip system.
  • the chip system may include chips, and may also include other discrete devices.
  • the network device can also communicate with an Internet Protocol (IP) network, such as the Internet, a private IP network, or other data networks.
  • IP Internet Protocol
  • Paging refers to the behavior of the network calling a terminal by sending a paging message (paging massge). This behavior allows the paged terminal to initiate a signaling connection establishment process with the network.
  • the situation when the network sends paging massge mainly includes: (1) sending a call request to the terminal in the radio resource control idle (radio resource control idle, RRC_IDLE) state and the radio resource control inactive (RRC_INACTIVE) state; (2) ) Notifies the terminal in the RRC_IDLE state/RRC_INACTIVE state and the radio resource control connected (RRC_CONNECTED) state that the system information has changed; (3) Instructs the terminal to start receiving the earthquake and tsunami warning system (earthquake and tsunami warning system, ETWS ) notifications and/or start receiving commercial mobile alert system (CMAS) notifications.
  • RRC_IDLE radio resource control idle
  • RRC_INACTIVE radio resource control inactive
  • RRC_CONNECTED radio resource control connected
  • Paging early indication PEI
  • one or more POs are associated with a PEI.
  • the terminal Before the terminal monitors the PDCCH on the PO, it needs to receive the PEI to determine whether it needs to monitor the PDCCH associated with the PO on the PO associated with the PEI. .
  • FIG. 3 which is a schematic diagram of PEI and PO provided by the embodiment of the present application.
  • PEI may be downlink control information or a sequence.
  • the terminal first reads the system System Information Block 1 (SIB1) is used to obtain the random access resource configuration information.
  • the random access resource configuration information includes the time-frequency resources used to send random access request messages, and the competition random access preamble range (this The preamble range can be the sequence index range of the preamble), etc.
  • the terminal sends a random access Msg1, which may also be called a random access request message, to the network device to initiate random access to the network.
  • Msg1 contains the preamble of random access.
  • Msg2 a random access message 2
  • RA-RNTI random access radio network temporary identifier
  • Msg2 may include timing offset (time alignment, TA), temporary cell radio network temporary identifier (TC-RNTI), power control and random access message sent by the terminal 3( Mgs3) resource indication.
  • the terminal sends Mgs3 to the network device based on the resource indication for sending Mgs3.
  • Msg4 random access message 4
  • Msg4 a random access message 4
  • the terminal If the terminal does not successfully receive Msg4, the terminal can determine that the initial access process failed.
  • the terminal sends Msg1 to the network device through the random access opportunity (RACH Occasion, RO) associated with SSB.
  • the terminal can obtain the relevant configuration of the RO through the SIB message, including the cycle size of the RO, the number of ROs in the time domain within a physical random access channel (PRACH) cycle, and the number of ROs multiplexed in the frequency. number (indicated by the parameter msg1-FDM), the number of SSBs associated with each RO (indicated by the parameter ssb-perRACH-Occasion), etc.
  • FIG. 5 is a flow chart of a communication method provided by an embodiment of the present application. This method can be applied to the network architecture shown in Figure 1. The method includes the following steps:
  • the network device sends indication information to the terminal through the first carrier.
  • the indication information is used to indicate one or more second carriers (assumed to be X second carriers).
  • the terminal receives the indication information from the network device through the first carrier.
  • the indication information can be carried in one or more of the following messages: PEI, paging DCI, paging massge.
  • the coverage range of the second carrier is within the coverage range of the first carrier.
  • the second carrier refers to the introduction of the non-anchor carrier in the above content
  • the first carrier refers to the introduction of the anchor carrier in the above content, which will not be described again here. It can be seen from the foregoing introduction that the first carrier will generally not be turned off, that is, it will always provide services to the terminal, so the indication information transmitted through the first carrier is reliable.
  • the X second carriers indicated by the indication information are second carriers that can support paging.
  • the network device can select some second carriers to send paging messages (that is, select some second carriers to support paging), and then use the indication information to inform the terminal which second carriers can support paging.
  • the embodiment of this application does not limit how the network device selects the second carrier that can support paging. In this way, the network device does not need to send paging messages on all second carriers, and the energy consumption of the network device can be reduced.
  • the indication information is used to indicate the identities of the above-mentioned X second carriers that support paging (for example, a carrier identity (ID), a cell identity corresponding to the carrier, etc.).
  • the indication information is used to indicate N second carrier groups.
  • the N second carrier groups support paging.
  • One second carrier group includes one or more second carriers.
  • the N second carriers The second carriers included in the group are the above-mentioned X second carriers.
  • N is an integer greater than 0. That is to say, the second carriers included in the N second carrier groups are second carriers that can support paging. In this way, the indication information does not need to indicate each second carrier that can support paging one by one, and signaling overhead can be saved.
  • the network device needs to inform the terminal of the grouping information of the second carrier, and accordingly, the terminal receives the grouping information from the network device.
  • the network device sends system information through the first carrier, and accordingly, the terminal receives the system information from the network device.
  • the system information includes grouping information of the second carrier.
  • the grouping information is used to indicate the second carriers included in the M second carrier groups.
  • the grouping information of the second carrier is used to indicate each of the M second carrier groups.
  • the N second carrier groups supporting paging described above belong to the M second carrier groups.
  • the M second carrier groups may be a grouping result of the network device grouping the second carriers within the coverage of the first carrier.
  • the indication information includes multiple fields, one field corresponds to one or more second carrier groups among the M second carrier groups, and one field is used to indicate whether the corresponding second carrier group supports homing. call.
  • a field can be one or more bits.
  • the value of a field is the first value, it means that the corresponding one or more second carrier groups support paging. If the value of a field is the second value, it means that the corresponding one or more second carrier groups support paging. Multiple second carrier groups do not support paging, and vice versa.
  • the first value and the second value may be preset.
  • multiple fields and M second carrier groups may correspond one-to-one in order, for example, the higher the bit, the Corresponding to the earlier second carrier group, the lower bits correspond to the later second carrier group.
  • the indication method of the indication information can refer to the example in Table 2.
  • the value of the field corresponding to the indication information is "1100", and one field is one bit.
  • "0" indicates that the second carrier included in the second carrier group corresponding to the field does not support paging
  • "1" indicates that the second carrier included in the second carrier group corresponding to the field supports paging.
  • the example shows that the second carriers included in the second carrier group 1 and the second carrier group 2 support paging, and the second carriers included in the second carrier group 3 and the second carrier group 4 do not support paging.
  • the multiple fields may not correspond to the M second carrier groups one-to-one.
  • the indication information may indicate whether each second carrier group supports paging according to the corresponding relationship between the multiple fields and the M second carrier groups. .
  • the network device needs to inform the terminal of the correspondence between multiple fields and the M second carrier groups.
  • the corresponding relationship may be included in the above grouping information. That is to say, the grouping information also includes the corresponding relationship between the multiple fields and the M second carrier groups. The corresponding relationship may also be included in other information. or message, this application is not limited.
  • the corresponding relationship between the multiple fields and the M second carrier groups may refer to the example in Table 3.
  • the first field corresponds to the second carrier group 1 and the second carrier group 2
  • the second field corresponds to the second carrier group 3 and the second carrier group 4.
  • the indication method of the indication information may refer to the example in Table 4.
  • the value of the field corresponding to the indication information is "10", and one field corresponds to one bit.
  • "0” indicates that the second carrier included in the second carrier group corresponding to the field does not support paging
  • "1" indicates that the second carrier included in the second carrier group corresponding to the field supports paging.
  • the meaning indicated by the indication information is the same as Table 2, but the data content contained is different. Compared with the method of "one-to-one correspondence between fields and M second carrier groups", this method reduces the length of the field and can save signaling overhead.
  • the indication information includes identifiers of the N second carrier groups.
  • the network device needs to inform the terminal of the identifiers of the M second carrier groups.
  • the above grouping information also includes identifiers of M second carrier groups.
  • the identifiers of the M second carrier groups may refer to the example in Table 5. Wherein, the identifier of each second carrier group is represented by 2 bits.
  • the indication information includes the identifier "11"
  • the terminal can determine which second carriers can support paging based on the indication information.
  • the network device only sends the paging message on the second carrier indicated by the indication information.
  • the terminal only receives the paging message on the second carrier indicated by the indication information.
  • the network device may send the reference signal only on the second carrier indicated by the indication information, and accordingly, the terminal receives the reference signal only on the second carrier indicated by the indication information.
  • the reference signal may be a synchronization signal block, a channel-state information-reference signal (CSI-RS), a tracking reference signal (TRS) or other newly designed reference signals.
  • CSI-RS channel-state information-reference signal
  • TRS tracking reference signal
  • the network device can also send reference signals on all second carriers to meet the requirements of other functions.
  • the terminal receives the paging message only on the second carrier indicated by the indication information: the terminal receives the paging message only on the second carrier indicated by the indication information and which satisfies the cell residency condition. information.
  • the "only in” here refers to the above description.
  • the signal quality of the reference signal on the second carrier that satisfies the cell residency condition is higher than a preset threshold.
  • Signal quality can also be understood as signal strength, and Reference Signal Receiving Power (RSRP) can be a reference indicator of signal quality.
  • RSRP Reference Signal Receiving Power
  • the signal quality may also have other reference indicators, which are not limited in this application.
  • the preset threshold can be specified by the protocol, set in advance, or indicated by the network device, and is not limited by this application.
  • the terminal can determine which second carriers can support paging based on the indication information. Afterwards, the terminal determines whether there is a second carrier in the indicated second carrier that satisfies the cell residency condition by detecting/measuring the reference signal sent by the second carrier indicated by the indication information. If there are one or more second carriers that satisfy the cell residency condition, the terminal may receive the paging message on the second carrier that satisfies the cell residency condition. If there is no second carrier that satisfies the cell residency condition among the second carriers indicated by the indication information, the terminal may receive the paging message through the first carrier. Alternatively, the terminal can also receive paging messages through other carriers. In this way, the success rate of the terminal receiving paging messages can be improved and ensured Communication quality.
  • the network devices corresponding to the first carrier and the second carrier are the same network device, and an example is network device 1.
  • the network device 1 can select part of the second carrier to send the paging message, and the network device 1 only sends the paging message on the second carrier indicated by the indication information, and does not need to send the paging message on all second carriers. Paging message.
  • the terminal receives the indication information from the network device 1 and only receives the paging message on the second carrier indicated by the indication information.
  • the network devices corresponding to the first carrier and the second carrier are different network devices.
  • the first carrier corresponds to network device 1
  • the second carrier corresponds to network device 2 and network device 3.
  • Network device 1 also sends the indication information to network device 2 and network device 3 corresponding to the non-anchor cell (or called the second carrier) to inform network device 2 and network device 3 which second carriers can support paging.
  • network device 2 and network device 3 receive the indication information from network device 1.
  • the network device 1 can select part of the second carrier to send the paging message, and the network device 2 and the network device 3 only send the paging message on the second carrier indicated by the indication information, and it is not necessary to send the paging message on all the second carriers.
  • the terminal receives the indication information from the network device 1 and only receives the paging message on the second carrier indicated by the indication information.
  • the centralized control device serves as a control device in the network architecture and generates and sends the indication information in the embodiment of the present application.
  • the indication information is used to indicate paging-related policies (i.e., paging-supported policies). one or more second carriers).
  • the centralized control device may select part of the second carrier to send the paging message.
  • the network devices corresponding to the first carrier and the second carrier are the same network device, and an example is network device 1.
  • the network device 1 receives the instruction information sent by the centralized control device and sends the instruction information to the terminal.
  • the network device 1 only sends the paging message on the second carrier indicated by the instruction information. It is not necessary to send the paging message on all the second carriers indicated by the instruction information.
  • the paging message is sent on the second carrier.
  • the terminal receives the indication information from the network device 1 and only receives the paging message on the second carrier indicated by the indication information.
  • the network devices corresponding to the first carrier and the second carrier are different network devices.
  • the first carrier corresponds to network device 1
  • the second carrier corresponds to network device 2 and network device 3.
  • the centralized control device can communicate only with the network device 1 corresponding to the anchor cell. Then, network device 1 receives the instruction information sent by the centralized control device. In addition to the terminal, network device 1 also sends the instruction information to network device 2 and network device 3 corresponding to the non-anchor cell (or called the second carrier), so as to Inform network device 2 and network device 3 which second carriers can support paging. Correspondingly, network device 2 and network device 3 receive the indication information from network device 1. In this implementation, network device 2 and network device 3 only send paging messages on the second carrier indicated by the indication information, and it is not necessary to send paging messages on all second carriers. Correspondingly, the terminal receives the indication information from the network device 1 and only receives the paging message on the second carrier indicated by the indication information.
  • the centralized control device can communicate with all network devices within the control range (network device 1, network device Network device 2 and network device 3) communicate. Then, the network device 1 receives the instruction information sent by the centralized control device, and sends the instruction information to the terminal. Correspondingly, the terminal receives the indication information from the network device 1 and only receives the paging message on the second carrier indicated by the indication information. Network device 2 and network device 3 receive the indication information sent by the centralized control device, and only send the paging message on the second carrier indicated by the indication information. It is not necessary to send the paging message on all second carriers.
  • the network device only sends the paging message on the second carrier indicated by the indication information. It is not necessary to send the paging message on all second carriers, which can reduce the energy consumption of the network device.
  • the network device since the network device does not know the specific location of the terminal during the random access process, the network device needs to continuously detect the message 1 sent by the terminal on all RO resources configured on the second carrier to Ensure that messages sent by the terminal can be received in a timely manner1. In this method, the static sending energy of network equipment consumes a lot of energy. In view of this, the solution of this application is proposed.
  • the indication information when the indication information is used to indicate that initiating random access is not supported on all second carriers, the network device does not need to configure RO resources on the second carrier.
  • Receive message 1 sent by the terminal in the case where the indication information is used to indicate one or more second carriers that support random access, the network device only configures RO resources on the second carrier that supports random access indicated by the indication information. Receiving message 1 sent by the terminal can reduce the static receiving energy consumption of the network device, thereby improving the energy efficiency of the network device.
  • FIG 6 is a flow chart of yet another communication method provided by an embodiment of the present application. This method can be applied to the network architecture shown in Figure 1. The method includes the following steps:
  • the network device sends indication information to the terminal through the first carrier.
  • the indication information is used to indicate whether to support initiating random access on the second carrier.
  • the terminal receives the indication information from the network device through the first carrier.
  • the indication information can be carried in one or more of the following messages: PEI, paging DCI, paging massge.
  • the coverage range of the second carrier is within the coverage range of the first carrier.
  • the second carrier refers to the introduction of the non-anchor carrier in the above content
  • the first carrier refers to the introduction of the anchor carrier in the above content, which will not be described again here. It can be seen from the foregoing introduction that the first carrier will generally not be turned off, that is, it will always provide services to the terminal, so the indication information transmitted through the first carrier is reliable.
  • the indication information may include a preset field, which may be used to indicate whether to support initiating random access on the second carrier, or the value of the preset field may be used to indicate whether Supports initiating random access on the second carrier.
  • the value of the preset field is the first value, it means that random access is supported on the second carrier. If the value of the preset field is the second value, it means that random access on the second carrier is not supported. Random access is initiated on the carrier, and vice versa.
  • the first value and the second value may be preset.
  • the meaning of support here can be understood as “full support” or “partial support”.
  • the indication information is used to indicate that support for initiating random access on the second carrier means: support on all second carriers (that is, all second carriers within the coverage of the first carrier). Initiate random access; this indication information is used to indicate that initiating random access on the second carrier is not supported, which means: all second carriers do not support initiating random access.
  • the network device can decide whether to support initiating random access on all second carriers. How the network device decides whether to support initiating random access on all second carriers is not limited in this embodiment.
  • the network device decides not to support initiating random access on all second carriers, then the network device does not need to Detect the message 1 sent by the terminal on the RO resource configured by the carrier.
  • the network device decides to support initiating random access on all second carriers, then the network device needs to detect the message 1 sent by the terminal on the RO resources configured on all second carriers.
  • the indication information is used to indicate that random access is supported on the second carrier.
  • the meaning is: one or more second carriers among all second carriers support random access; the indication is: The meaning of the information used to indicate that random access is not supported on the second carrier is: all second carriers do not support random access.
  • the network device can decide whether to support initiating random access on the second carrier. If so, it also needs to decide on which second carriers to support random access. How does the network device decide whether to initiate random access on the second carrier? Random access is initiated on the second carrier and which second carriers support random access are not limited by the embodiments of this application.
  • the network device decides not to support initiating random access on all second carriers, then the network device does not need to detect the message 1 sent by the terminal on the RO resources configured on the second carrier.
  • the network device decides to support initiating random access on some second carriers (including all cases), then the network device needs to detect the message 1 sent by the terminal on the RO resources configured on this part of the second carrier.
  • the indication information may further indicate that the second carrier supports initiating random access.
  • the indication information includes a first part field and a second part field, where the first part field can be used to indicate whether to support initiating random access on the second carrier, and the second part field Can be used to indicate the second carrier that supports random access.
  • the indication information includes the identity of the second carrier that supports random access (for example, a carrier identity (ID), a cell identity corresponding to the carrier, etc.).
  • the indication information is also used to indicate N second carrier groups to which the second carrier supporting random access belongs, where N is an integer greater than 0. That is to say, the second carriers included in the N second carrier groups are second carriers that can support random access. Wherein, a second carrier group includes one or more second carriers. In this way, the indication information does not need to indicate each second carrier that can support random access one by one, and signaling overhead can be saved.
  • the network device needs to inform the terminal of the grouping information of the second carrier.
  • the terminal receives packet information from the network device.
  • the network device sends system information through the first carrier, and accordingly, the terminal receives the system information from the network device through the first carrier.
  • the system information includes grouping information of the second carrier.
  • the grouping information is used to indicate the second carriers included in the M second carrier groups.
  • the grouping information of the second carrier is used to indicate each of the M second carrier groups.
  • the second carrier group contains a second carrier identifier, and the N second carrier groups to which the previously described second carrier supporting random access belongs belongs to the M second carrier groups.
  • the M second carrier groups may be a grouping result of the network device grouping the second carriers within the coverage of the first carrier.
  • the grouping information may refer to the example in Table 1 in the above content, which will not be described again here.
  • the indication information includes multiple fields, one field corresponds to one or more second carrier groups among the M second carrier groups, and one field is used to indicate whether the corresponding second carrier group supports randomization. access.
  • a field can be one or more bits.
  • the value of a field is the first value, it means that the corresponding one or more second carrier groups support random access.
  • the value of a field is the second value, it means that the corresponding one or more second carrier groups support random access. Or multiple second carrier groups do not support random access, and vice versa.
  • the first value and the second value may be preset.
  • multiple fields and M second carrier groups may correspond one-to-one in order.
  • higher bits correspond to the earlier second carrier group
  • lower bits correspond to the later second carrier groups.
  • the indication method of the indication information can refer to the example in Table 6.
  • the value of the field corresponding to the indication information is "11110000", and one field is two bits.
  • "00" indicates that the second carrier group corresponding to the field does not support random access
  • "11" indicates that the second carrier group corresponding to the field supports random access.
  • This example indicates that the second carriers included in the second carrier group 1 and the second carrier group 2 support random access, and the second carriers included in the second carrier group 3 and the second carrier group 4 do not support random access.
  • the multiple fields may not correspond to the M second carrier groups one-to-one.
  • the indication information may indicate whether each second carrier group supports random access according to the corresponding relationship between the multiple fields and the M second carrier groups. enter.
  • the network device needs to inform the terminal of the correspondence between multiple fields and the M second carrier groups.
  • the corresponding relationship may be included in the above grouping information. That is to say, the grouping information also includes the corresponding relationship between the multiple fields and the M second carrier groups.
  • the corresponding relationship may also be included in other information. or message, this application is not limited.
  • the corresponding relationship between the multiple fields and the M second carrier groups may refer to the example in Table 3 above, which will not be introduced here.
  • the indication method of the indication information may refer to the example in Table 7.
  • the value of the field corresponding to the indication information is "1100", and one field corresponds to two bits.
  • "00” indicates that the second carrier included in the second carrier group corresponding to the field does not support random access
  • "11” indicates that the second carrier included in the second carrier group corresponding to the field supports random access.
  • the meaning indicated by the indication information is the same as Table 6, but the data content contained is different. Compared with the method of "one-to-one correspondence between fields and M second carrier groups", this method reduces the length of the field and can save signaling overhead.
  • the indication information includes identifiers of the N second carrier groups.
  • the network device needs to inform the terminal of the identifiers of the M second carrier groups.
  • the above grouping information also includes identifiers of M second carrier groups.
  • the identifiers of the M second carrier groups may refer to the example in Table 5 above. Wherein, the identifier of each second carrier group is represented by 2 bits. In one example, if the indication information includes the identifier "10", it means that the second carrier included in the second carrier group 3 supports random access.
  • the terminal can determine which second carriers can support random access based on the indication information.
  • the network device If the indication information indicates that random access is supported on the second carrier, the network device only receives message 1 on the second carrier that supports random access. Correspondingly, the terminal only sends message 1 on the second carrier indicated by the indication information that supports initiating random access.
  • This message 1 can refer to Msg1 introduced in the foregoing content.
  • the meaning of receiving message 1 on the second carrier that supports initiating random access is to detect/receive the terminal on the RO resources configured on the second carrier that supports initiating random access.
  • Sending message 1 on the second carrier that supports initiating random access means sending message 1 to the network device on the RO resources configured on the second carrier that supports initiating random access.
  • the scope of “only in” here is “all second carriers within the range of the first carrier", that is to say, the indication information indicates that random access is supported on the second carrier.
  • the network device only receives message 1 on the second carrier that supports initiating random access, and no longer receives message 1 on other second carriers.
  • the terminal only sends message 1 on the second carrier that supports initiating random access, and no longer sends message 1 on other second carriers.
  • the network device can still receive message 1 on these carriers, and accordingly, the terminal can still send message 1 on these carriers.
  • the terminal may preferentially send message 1 on the second carrier indicated by the indication information that supports initiating random access.
  • the network device does not need to receive message 1 on all second carriers and can save its own power consumption.
  • the network device when the indication information indicates that initiating random access on the second carrier is not supported, the network device does not receive message 1 on the second carrier. In this case, the network device uses the instruction information to inform the terminal not to initiate random access on the second carrier. Then, the network device does not need to detect the message 1 sent by the terminal on the RO resources configured on the second carrier, which can save energy consumption. .
  • the terminal when the indication information indicates that random access is supported on the second carrier, the terminal only sends message 1 on the second carrier that supports random access: the terminal only sends message 1 on the second carrier that supports random access. Send message 1 on the second carrier that is randomly accessed and meets the cell residency conditions.
  • the "only in” here refers to the above description.
  • the signal quality of the reference signal on the second carrier that satisfies the cell residency condition is higher than a preset threshold.
  • Signal quality can also be understood as signal strength, and RSRP can be a reference indicator of signal quality.
  • the signal quality may also have other reference indicators, which are not limited in this application.
  • the preset threshold can be specified by the protocol, set in advance, or indicated by the network device, and is not limited by this application.
  • the terminal can determine that random access is supported on the second carrier. access, and further determine which second carriers can support random access. Afterwards, the terminal determines whether there is a second carrier that satisfies the cell residency condition among the second carriers that support random access by detecting/measuring the reference signal sent by the second carrier that supports random access indicated by the indication information. If there are one or more second carriers that satisfy the cell residency condition, the terminal may send message 1 on the second carrier that satisfies the cell residency condition. If there is no second carrier that meets the cell residency conditions among the second carriers that support random access, the terminal can send message 1 through the first carrier. Alternatively, the terminal can also send message 1 via other carriers. In this way, the success rate of the terminal sending message 1 can be improved and the communication quality can be ensured.
  • the terminal can send message 1 through the first carrier.
  • the terminal can also send message 1 via other carriers.
  • the network device 1 serves as a control device in the network architecture and generates and sends indication information in the embodiment of the present application.
  • the indication information is used to indicate random access related policies (whether to support the Two years Random access is initiated on the carrier, and/or one or more second carriers that support random access).
  • the network devices corresponding to the first carrier and the second carrier are the same network device, and an example is network device 1.
  • the network device 1 may select whether to support initiating random access on the second carrier, and/or support one or more second carriers of the random access.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers
  • the network device 1 does not need to receive the message 1 sent by the terminal on the second carrier.
  • the indication information is also used to indicate a second carrier that supports random access
  • network device 1 only receives message 1 on the second carrier that supports random access indicated by the indication information, and does not need to receive message 1 on all second carriers. Message 1 sent by the terminal.
  • the terminal receives the indication information from the network device 1.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers, the terminal does not need to send message 1 on the second carrier.
  • the indication information is also used to indicate a second carrier that supports random access, the terminal only sends message 1 on the second carrier that supports random access indicated by the indication information.
  • network device 2 and network device 3 do not need to receive message 1 sent by the terminal on the second carrier.
  • the indication information is also used to indicate the second carrier that supports random access
  • network device 2 and network device 3 only receive message 1 on the second carrier that supports random access indicated by the indication information, and it is not necessary to receive message 1 on all third carriers. Receive message 1 sent by the terminal on the second carrier.
  • the terminal receives the indication information from the network device 1.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers, the terminal does not need to send message 1 on the second carrier.
  • the indication information is also used to indicate a second carrier that supports random access, the terminal only sends message 1 on the second carrier that supports random access indicated by the indication information.
  • the centralized control device serves as a control device in the network architecture and generates and sends the indication information in the embodiment of the present application.
  • the indication information is used to indicate random access related policies (whether to support the Random access is initiated on the second carrier, and/or one or more second carriers that support random access).
  • the centralized control device may select whether to support initiating random access on the second carrier, and/or support one or more second carriers of random access.
  • the network devices corresponding to the first carrier and the second carrier are the same network device, and an example is network device 1.
  • the network device 1 receives the instruction information sent by the centralized control device and sends the instruction information to the terminal.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers
  • the network device 1 does not need to receive the message 1 sent by the terminal on the second carrier.
  • the indication information is also used to indicate a second carrier that supports random access
  • network device 1 only receives message 1 on the second carrier that supports random access indicated by the indication information, and does not need to receive message 1 on all second carriers. Message 1 sent by the terminal.
  • the terminal receives the indication information from the network device 1.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers, the terminal does not need to send message 1 on the second carrier. Also used in instructions In the case where the second carrier supporting random access is indicated, the terminal only sends message 1 on the second carrier supporting random access indicated by the indication information.
  • the network devices corresponding to the first carrier and the second carrier are different network devices.
  • the first carrier corresponds to network device 1
  • the second carrier corresponds to network device 2 and network device 3.
  • the centralized control device can communicate only with the network device 1 corresponding to the anchor cell. Then, network device 1 receives the instruction information sent by the centralized control device. In addition to the terminal, network device 1 also sends the instruction information to network device 2 and network device 3 corresponding to the non-anchor cell (or called the second carrier), so as to Inform network device 2 and network device 3 whether to support initiating random access on the second carrier, and/or which second carriers can support random access. Correspondingly, network device 2 and network device 3 receive the indication information from network device 1. In the case where the indication information is used to indicate that initiating random access is not supported on all second carriers, network device 2 and network device 3 do not need to receive message 1 sent by the terminal on the second carrier.
  • network device 2 and network device 3 only receive message 1 on the second carrier that supports random access indicated by the indication information, and it is not necessary to receive message 1 on all third carriers. Receive message 1 sent by the terminal on the second carrier.
  • the terminal receives the indication information from the network device 1.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers, the terminal does not need to send message 1 on the second carrier.
  • the indication information is also used to indicate a second carrier that supports random access, the terminal only sends message 1 on the second carrier that supports random access indicated by the indication information.
  • the centralized control device can communicate with all network devices within the control range (network device 1, network device 2, and network device 3). Then, the network device 1 receives the instruction information sent by the centralized control device, and sends the instruction information to the terminal. Correspondingly, the terminal receives the indication information from the network device 1.
  • the indication information is used to indicate that initiating random access is not supported on all second carriers, the terminal does not need to send message 1 on the second carrier. In the case where the indication information is also used to indicate a second carrier that supports random access, the terminal only sends message 1 on the second carrier that supports random access indicated by the indication information.
  • Network device 2 and network device 3 receive the indication information sent by the centralized control device.
  • the indication information is used to indicate that all second carriers do not support initiating random access, network device 2 and network device 3 do not need to initiate random access on the second carrier.
  • the indication information is also used to indicate the second carrier that supports random access, network device 2 and network device 3 only receive message 1 on the second carrier that supports random access indicated by the indication information, and it is not necessary to receive message 1 on all third carriers.
  • the network device when the indication information is used to indicate that initiation of random access is not supported on all second carriers, the network device does not need to receive message 1 sent by the terminal on the second carrier; in the indication When the information is also used to indicate a second carrier that supports random access, the network device only receives message 1 on the second carrier that supports random access indicated by the indication information. It is not necessary to receive messages sent by the terminal on all second carriers. Message 1 can reduce the energy consumption of network equipment.
  • the indication information used to indicate whether to support initiating random access on the second carrier and the indication information used to indicate the second carrier supporting random access may also be different indication information,
  • indication information 1 may be used to indicate whether to support initiating random access on the second carrier
  • indication information 2 may be used to indicate the second carrier that supports random access.
  • the network device After the network device sends indication information 1 to the terminal through the first carrier, if the indication information 1 indicates that random access is supported on the second carrier, the network device will then send indication information 2 through the first carrier. Otherwise, the network device may not send the indication information 2.
  • the terminal After the terminal receives the indication information 1, if the indication information 1 indicates that random access is supported on the second carrier, the terminal can determine that the network device will also send indication information 2, thereby determining which second carriers to send message 1 specifically.
  • the indication information may also directly indicate the second carrier that supports random access, thereby indirectly indicating whether to initiate random access on the second carrier. For example, if the indication information indicates one or more second carriers (or one or more second carrier groups), it is considered that initiating random access on the second carrier is supported, otherwise (for example, the bits of the bits carrying the indication information The value does not correspond to the second carrier group or does not correspond to the second carrier), it is considered that initiating random access on the second carrier is not supported.
  • the terminal/network device includes corresponding hardware structures and/or software modules that perform each function.
  • the units and method steps of each example described in conjunction with the embodiments disclosed in this application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software driving the hardware depends on the specific application scenarios and design constraints of the technical solution.
  • Figure 7 shows a schematic structural diagram of a communication device according to an embodiment of the present application.
  • the communication device may be a network device, a device in the network device, or a device that can be used in conjunction with the network device.
  • the communication device 70 shown in FIG. 7 may include a first sending unit 701 and a second sending unit 702. in:
  • the first sending unit 701 is configured to send indication information to the terminal through the first carrier.
  • the indication information is used to indicate one or more second carriers.
  • the coverage range of the second carrier is within the coverage range of the first carrier. within.
  • the operation performed by the first sending unit 701 may refer to the introduction of step S101 in the embodiment corresponding to FIG. 5 .
  • the second sending unit 702 is configured to send the paging message only on the second carrier indicated by the indication information.
  • the operation performed by the second sending unit 702 may refer to the introduction of step S102 in the embodiment corresponding to FIG. 5 .
  • the indication information is used to indicate N second carrier groups, the N second carrier groups include the one or more second carriers, and N is an integer greater than 0.
  • the communication device further includes a third sending unit, the third sending unit is configured to: send system information through the first carrier, where the system information includes the information of the second carrier.
  • Grouping information the grouping information is used to indicate second carriers included in M second carrier groups, the N second carrier groups belong to the M second carrier groups, and M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the fields is used to indicate the corresponding Whether the second carrier group supports paging.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identities of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the communication device can perform relevant steps of the network device in the method embodiment shown in Figure 5. For details, please refer to the implementation provided by each of the above steps, which will not be described again here.
  • Figure 8 shows a schematic structural diagram of a communication device according to an embodiment of the present application.
  • the communication device may be a terminal, a device in the terminal, or a device that can be used in conjunction with the terminal.
  • the communication device 80 shown in FIG. 8 may include a first receiving unit 801 and a second receiving unit 802. in:
  • the first receiving unit 801 is configured to receive indication information from the network device through the first carrier.
  • the indication information is used to indicate one or more second carriers.
  • the coverage of the second carrier is within the coverage range of the first carrier. within coverage.
  • the operation performed by the first receiving unit 801 may refer to the introduction of step S101 in the embodiment corresponding to FIG. 5 .
  • the second receiving unit 802 is configured to receive paging messages only on the second carrier indicated by the indication information.
  • the operation performed by the second receiving unit 802 may refer to the introduction of step S102 in the embodiment corresponding to FIG. 5 .
  • the indication information is used to indicate N second carrier groups, the N second carrier groups include the one or more second carriers, and N is an integer greater than 0.
  • the communication device further includes a third receiving unit configured to: receive system information from the network device through the first carrier, where the system information includes the Grouping information of the second carrier, the grouping information is used to indicate the second carriers included in M second carrier groups, the N second carrier groups belong to the M second carrier groups, M is greater than or equal to N integer.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the fields is used to indicate the corresponding Whether the second carrier group supports paging.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identities of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • the second receiving unit 802 is specifically configured to: receive the paging message only on the second carrier indicated by the indication information and satisfying the cell residency condition; wherein, The signal quality of the reference signal on the second carrier that satisfies the cell residency condition is higher than the preset threshold; the second receiving unit 802 is also configured to: if the second carrier indicated by the indication information does not satisfy the If the second carrier has cell residency conditions, the paging message is received through the first carrier.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the communication device can perform steps related to the terminal in the method embodiment shown in Figure 5. For details, please refer to the implementation provided by each of the above steps, which will not be described again here.
  • Figure 9 shows a schematic structural diagram of a communication device according to an embodiment of the present application.
  • the communication device 90 shown in FIG. 9 may include a sending unit 901 and a receiving unit 902.
  • the communication device may be a network device, a device in the network device, or a device that can be used in conjunction with the network device. in:
  • Sending unit 901 configured to send indication information to the terminal through the first carrier, where the indication information is used to indicate whether Random access is supported to be initiated on a second carrier, and the coverage range of the second carrier is within the coverage range of the first carrier.
  • the operation performed by the sending unit 901 may refer to the introduction of step S201 in the embodiment corresponding to FIG. 6 .
  • the receiving unit 902 is configured to receive message 1 only on the second carrier that supports initiating random access when the indication information indicates that random access is supported on the second carrier.
  • the operation performed by the receiving unit 902 may refer to the introduction of step S202 in the embodiment corresponding to FIG. 6 .
  • the indication information when the indication information indicates support for initiating random access on the second carrier, the indication information is also used to indicate the Nth second carrier to which the second carrier supporting random access belongs.
  • Two-carrier group, N is an integer greater than 0.
  • the sending unit 901 is further configured to: send system information through the first carrier, where the system information includes grouping information of the second carrier, and the grouping information is used to indicate M Second carriers included in the second carrier groups, the N second carrier groups belong to the M second carrier groups, and M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the fields is used to indicate the corresponding Whether the second carrier group supports random access.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identification indication information of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the communication device can perform relevant steps of the network device in the method embodiment shown in Figure 6. For details, please refer to the implementation provided by the above steps, which will not be described again here.
  • the communication device may be a terminal, a device in the terminal, or a device that can be used in conjunction with the terminal. in:
  • the receiving unit 902 is configured to receive indication information from the network device through the first carrier, where the indication information is used to indicate whether to support initiating random access on the second carrier, and the coverage range of the second carrier is within the first carrier. within the coverage range of the carrier.
  • the operation performed by the receiving unit 902 may refer to the introduction of step S201 in the embodiment corresponding to FIG. 6 .
  • the sending unit 901 is configured to send message 1 only on the second carrier that supports initiating random access when the indication information indicates that random access is supported on the second carrier.
  • the operation performed by the sending unit 901 may refer to the introduction of step S202 in the embodiment corresponding to FIG. 6 .
  • the sending unit 901 when the indication information indicates support for initiating random access on the second carrier, the sending unit 901 is specifically configured to: when the indication information indicates support for initiating random access on the second carrier.
  • message 1 When random access is initiated on a carrier, message 1 is only sent on the second carrier that supports the initiation of random access and satisfies the cell residency conditions; wherein, the reference on the second carrier that satisfies the cell residency conditions The signal quality of the signal is higher than the preset threshold; sending a single Element 901 is also used to: if the second carrier that supports random access initiation indicated by the indication information does not exist in the second carrier that satisfies the cell residency condition, send a paging message through the first carrier. .
  • the indication information when the indication information indicates support for initiating random access on the indication information on the second carrier, the indication information is also used to indicate the second carrier that supports random access.
  • the N second carrier groups it belongs to, N is an integer greater than 0.
  • the receiving unit 902 is further configured to: receive system information from the network device through the first carrier, where the system information includes grouping information of the second carrier, and The grouping information is used to indicate the second carriers included in the M second carrier groups, the N second carrier groups belong to the M second carrier groups, and M is an integer greater than or equal to N.
  • the indication information includes multiple fields, one of the fields corresponds to one or more second carrier groups among the M second carrier groups, and one of the fields is used to indicate the corresponding Whether the second carrier group supports random access.
  • the grouping information further includes a correspondence between the plurality of fields and the M second carrier groups.
  • the indication information includes identities of the N second carrier groups.
  • the grouping information further includes identifiers of the M second carrier groups.
  • the indication information is carried in one or more of the following messages: paging advance indication PEI, paging downlink control information paging DCI, and paging message paging massge.
  • the communication device can perform steps related to the terminal in the method embodiment shown in Figure 6.
  • steps related to the terminal in the method embodiment shown in Figure 6. please refer to the implementation provided by the above steps, which will not be described again here.
  • Figure 10 shows another communication device 100 provided by an embodiment of the present application.
  • the communication device 100 is used to implement the functions of the network equipment in Figure 5 and Figure 6 mentioned above.
  • the device may be a network device or a device for a network device.
  • the means for the network device may be a system-on-a-chip or chip within the network device.
  • the communication device 100 is used to implement the functions of the terminal in FIG. 5 and FIG. 6 .
  • the device may be a terminal or a device for a terminal.
  • the device for the terminal may be a chip system or chip within the terminal. Among them, the chip system can be composed of chips, or can also include chips and other discrete devices.
  • the communication device 100 includes at least one processor 1020, which is used to implement the data processing function in the method provided by the embodiment of the present application.
  • the communication device 100 may also include a communication interface 1010, which is used to implement the sending and receiving operations in the method provided by the embodiment of the present application.
  • the communication interface may be a transceiver, a circuit, a bus, a module, or other types of communication interfaces, used for communicating with other devices through a transmission medium.
  • the communication interface 1010 is used for devices in the communication device 100 to communicate with other devices.
  • the processor 1020 uses the communication interface 1010 to send and receive data, and is used to implement the method described in Figure 5 and Figure 6 of the above method embodiment.
  • the communication device 100 may also include at least one memory 1030 for storing program instructions and/or data.
  • Memory 1030 and processor 1020 are coupled.
  • the coupling in the embodiment of this application is an indirect coupling or communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information interaction between devices, units or modules.
  • the processor 1020 may cooperate with the memory 1030.
  • Processor 1020 may execute program instructions stored in memory 1030 . At least one of the at least one memory may be included in the processor.
  • the processor 1020 can read the software program in the memory 1030, interpret and execute the instructions of the software program, and process the data of the software program.
  • the processor 1020 performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit (not shown in the figure).
  • the radio frequency circuit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal through the antenna in the form of electromagnetic waves. Send outward.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 1020.
  • the processor 1020 converts the baseband signal into data and processes the data. for processing.
  • the radio frequency circuit and antenna can be set up independently of the processor 1020 that performs baseband processing.
  • the radio frequency circuit and antenna can be set up remotely and independently of the communication device. layout.
  • the embodiment of the present application does not limit the specific connection medium between the communication interface 1010, the processor 1020, and the memory 1030.
  • the memory 1030, the processor 1020 and the communication interface 1010 are connected through a bus 1040 in Figure 10.
  • the bus is represented by a thick line in Figure 10.
  • the connection methods between other components are only schematically explained. , is not limited.
  • the bus can be divided into address bus, data bus, control bus, etc. For ease of presentation, only one thick line is used in Figure 10, but it does not mean that there is only one bus or one type of bus.
  • each module included in them can be implemented in the form of hardware such as circuits.
  • Different modules can be located in the same component (for example, a chip, circuit module, etc.) or in different components in the terminal. , or at least some of the modules can be implemented in the form of a software program, which runs on the processor integrated inside the terminal, and the remaining (if any) modules can be implemented in hardware such as circuits.
  • the communication device may be a chip or a chip system
  • the chip 110 includes a logic circuit 1101 and an interface 1102 .
  • the number of logic circuits 1101 may be one or more, and the number of interfaces 1102 may be multiple.
  • the logic circuit 1101 is configured to perform the following operations:
  • the indication information is used to indicate one or more second carriers, the coverage range of the second carrier is within the coverage range of the first carrier; only when the indication The paging message is sent on the second carrier indicated by the information.
  • logic circuit 1101 is configured to perform the following operations:
  • the indication information is used to indicate one or more second carriers.
  • the coverage range of the second carrier is within the coverage range of the first carrier; only the coverage range of the second carrier is within the coverage range of the first carrier.
  • the paging message is received on the second carrier indicated by the indication information.
  • logic circuit 1101 is configured to perform the following operations:
  • logic circuit 1101 is configured to perform the following operations:
  • the indication information is used to indicate whether to support initiating random access on the second carrier, and the coverage range of the second carrier is within the coverage range of the first carrier ; In the case where the indication information indicates that random access is supported on the second carrier, message 1 is only sent on the second carrier that supports random access.
  • chip or chip system can perform the steps related to the terminal/network device in the foregoing method embodiments.
  • steps related to the terminal/network device for details, please refer to the implementation provided by each of the above steps, which will not be described again here.
  • FIG 12 is a schematic structural diagram of a module device provided by an embodiment of the present application.
  • the module device 120 includes: a communication module 1201, a power module 1202, a storage module 1203 and a chip module 1204.
  • the chip module 1204 is used for:
  • the indication information is used to indicate one or more second carriers, the coverage range of the second carrier is within the coverage range of the first carrier; only when the indication The paging message is sent on the second carrier indicated by the information.
  • the chip module 1204 is used for:
  • the indication information is used to indicate one or more second carriers.
  • the coverage range of the second carrier is within the coverage range of the first carrier; only the coverage range of the second carrier is within the coverage range of the first carrier.
  • the paging message is received on the second carrier indicated by the indication information.
  • the chip module 1204 is used for:
  • the chip module 1204 is used for:
  • the indication information is used to indicate whether to support initiating random access on the second carrier, and the coverage range of the second carrier is within the coverage range of the first carrier ; In the case where the indication information indicates that random access is supported on the second carrier, message 1 is only sent on the second carrier that supports random access.
  • module device 120 can perform the steps related to the terminal/network device in the foregoing method embodiments. For details, please refer to the implementation provided by each of the above steps, which will not be described again here.
  • Embodiments of the present application also provide a computer-readable storage medium in which instructions are stored. When it is run on the processor, the method flow of the above method embodiment is implemented.
  • An embodiment of the present application also provides a computer program product.
  • the computer program product is run on a processor, the method flow of the above method embodiment is implemented.
  • each device and product described in the above embodiments may be software modules/units or hardware modules/units, or they may be partly software modules/units and partly hardware modules/units.
  • each module/unit contained in each device or product applied or integrated into a chip can be implemented in the form of hardware such as circuits, or at least some of the modules/units can be implemented in the form of a software program, and the software program runs Integrating the processor inside the chip, the remaining (if any) modules/units can be implemented using circuits and other hardware methods; for various devices and products applied to or integrated into the chip module, all modules/units included in them can be implemented using hardware methods such as circuits. Circuits and other hardware are implemented.
  • Different modules/units can be located in the same piece of the chip module (such as chips, circuit modules, etc.) or in different components.
  • at least some modules/units can be implemented in the form of software programs.
  • the software program Running on the processor integrated inside the chip module, the remaining (if any) modules/units can be implemented in hardware such as circuits; for each device or product that is applied to or integrated into the terminal, the modules/units it contains can all It is implemented in the form of hardware such as circuits.
  • Different modules/units can be located in the same component (for example, chip, circuit module, etc.) or in different components in the terminal.
  • at least some modules/units can be implemented in the form of software programs.
  • the software The program runs on the processor integrated inside the terminal, and the remaining (if any) modules/units can be implemented using circuits and other hardware methods.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

La demande divulgue un procédé et un appareil de communication, une puce et un dispositif de module, se rapportant au domaine technique des communications. Le procédé consiste : au moyen d'une première porteuse, à envoyer des informations d'indication pour indiquer une ou plusieurs secondes porteuses à un terminal et à envoyer un message de radiomessagerie uniquement sur la seconde porteuse indiquée par les informations d'indication. La plage de couverture de la seconde porteuse se trouve dans la plage de couverture de la première porteuse. Au moyen du procédé décrit par l'application, la consommation d'énergie du dispositif de réseau peut être réduite de telle sorte que l'efficacité énergétique du dispositif de réseau soit améliorée.
PCT/CN2023/091090 2022-04-29 2023-04-27 Procédé et appareil de communication, puce et dispositif de module WO2023208098A1 (fr)

Applications Claiming Priority (2)

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CN202210469067.4A CN117015059A (zh) 2022-04-29 2022-04-29 一种通信方法、装置、芯片及模组设备
CN202210469067.4 2022-04-29

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109600832A (zh) * 2017-09-30 2019-04-09 华为技术有限公司 寻呼消息的传输方法及装置
CN111356230A (zh) * 2018-12-21 2020-06-30 华为技术有限公司 一种通信方法及装置
CN113973372A (zh) * 2020-07-24 2022-01-25 华为技术有限公司 一种信息发送和接收方法及装置
WO2022022672A1 (fr) * 2020-07-31 2022-02-03 展讯半导体(南京)有限公司 Procédé de détermination et de radiomessagerie d'un support de radiomessagerie, dispositif, support de stockage, terminal et station de base
CN114390676A (zh) * 2020-10-22 2022-04-22 展讯通信(上海)有限公司 寻呼载波的确定方法及相关产品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109600832A (zh) * 2017-09-30 2019-04-09 华为技术有限公司 寻呼消息的传输方法及装置
CN111356230A (zh) * 2018-12-21 2020-06-30 华为技术有限公司 一种通信方法及装置
CN113973372A (zh) * 2020-07-24 2022-01-25 华为技术有限公司 一种信息发送和接收方法及装置
WO2022022672A1 (fr) * 2020-07-31 2022-02-03 展讯半导体(南京)有限公司 Procédé de détermination et de radiomessagerie d'un support de radiomessagerie, dispositif, support de stockage, terminal et station de base
CN114390676A (zh) * 2020-10-22 2022-04-22 展讯通信(上海)有限公司 寻呼载波的确定方法及相关产品

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