WO2019237355A1 - 无线通信方法、网络设备和终端设备 - Google Patents

无线通信方法、网络设备和终端设备 Download PDF

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Publication number
WO2019237355A1
WO2019237355A1 PCT/CN2018/091649 CN2018091649W WO2019237355A1 WO 2019237355 A1 WO2019237355 A1 WO 2019237355A1 CN 2018091649 W CN2018091649 W CN 2018091649W WO 2019237355 A1 WO2019237355 A1 WO 2019237355A1
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WO
WIPO (PCT)
Prior art keywords
antenna ports
receiving antenna
terminal device
minimum number
terminal
Prior art date
Application number
PCT/CN2018/091649
Other languages
English (en)
French (fr)
Inventor
徐伟杰
陈文洪
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to ES18922516T priority Critical patent/ES2964138T3/es
Priority to PCT/CN2018/091649 priority patent/WO2019237355A1/zh
Priority to JP2020569834A priority patent/JP7220728B2/ja
Priority to KR1020207036227A priority patent/KR102468956B1/ko
Priority to EP18922516.2A priority patent/EP3809760B1/en
Priority to AU2018427424A priority patent/AU2018427424A1/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880093108.6A priority patent/CN112088549A/zh
Priority to EP23185710.3A priority patent/EP4236467A3/en
Priority to CN202210440873.9A priority patent/CN114785385B/zh
Priority to TW108120564A priority patent/TW202002554A/zh
Publication of WO2019237355A1 publication Critical patent/WO2019237355A1/zh
Priority to US17/121,511 priority patent/US20210099990A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • H04B7/0877—Hybrid systems, i.e. switching and combining using subgroups of receive antennas switching off a diversity branch, e.g. to save power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0258—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communications, and more particularly, to a wireless communication method, a network device, and a terminal device.
  • 5G communication technology has the characteristics of large bandwidth, high peak rate, and low latency. For example, 5G can transmit at several Gbps or dozens of Gbps over hundreds of MHz or even several GHz bandwidth.
  • 5G technology can support real-time HD video live broadcast, HD movie download, Augmented Reality (AR) and Virtual Reality (VR) and other services, and it is expected to bring a very good user experience.
  • AR Augmented Reality
  • VR Virtual Reality
  • DAC Analog to Digital Converter
  • PA power amplifier
  • FPGA Field-Programmable Gate Array
  • Embodiments of the present application provide a wireless communication method and device, which can reduce power consumption of a terminal.
  • a wireless communication method including:
  • the method further includes:
  • the sending instruction information to a terminal device includes:
  • the request message further carries a reason value for requesting the number or minimum number of receiving antenna ports, and / Or the desired number or minimum number of receive antenna ports.
  • the method further includes:
  • downlink transmission is performed.
  • the indication information is carried in a broadcast message or a radio resource control RRC.
  • the broadcast message is a remaining minimum system information RMSI, other system information OSI, or a physical broadcast channel PBCH.
  • the sending the instruction information to the terminal device includes:
  • a downlink channel state of the terminal device a cell coverage condition, a battery level of the terminal device, and a service condition of the terminal.
  • the instruction information is further used to indicate to the terminal device at least one of the following:
  • the downlink channels or signals to be received When performing downlink reception according to the number or minimum number of receiving antenna ports, the downlink channels or signals to be received;
  • the RRC state that needs to be in When performing downlink reception according to the number or minimum number of receiving antenna ports, the RRC state that needs to be in;
  • the method is used for communication in the following frequency bands:
  • a wireless communication method including:
  • the method further includes:
  • the request message further carries a reason value for requesting the number or minimum number of receiving antenna ports, and / Or the desired number or minimum number of receive antenna ports.
  • the indication information is carried in a broadcast message or a radio resource control RRC.
  • the broadcast message is a remaining minimum system information RMSI, other system information OSI, or a physical broadcast channel PBCH.
  • the instruction information is further used to indicate to the terminal device at least one of the following:
  • the downlink channels or signals to be received When performing downlink reception according to the number or minimum number of receiving antenna ports, the downlink channels or signals to be received;
  • the RRC state that needs to be in When performing downlink reception according to the number or minimum number of receiving antenna ports, the RRC state that needs to be in;
  • the method is used for communication in the following frequency bands:
  • a network device for executing the method in the first aspect or the implementation manners thereof.
  • the network device includes a functional module for executing the method in the above-mentioned first aspect or each implementation manner thereof.
  • a terminal device for executing the method in the second aspect or the implementation manners thereof.
  • the terminal device includes a functional module for executing the method in the above-mentioned second aspect or each implementation manner thereof.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory, and execute the method in the above-mentioned first aspect or its implementations.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or the implementations thereof.
  • a chip is provided for implementing any one of the foregoing first to second aspects or a method in each implementation thereof.
  • the chip includes a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes any one of the first to second aspects described above or implementations thereof. method.
  • a computer-readable storage medium for storing a computer program, which causes a computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • a computer program product including computer program instructions that cause a computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • a computer program that, when run on a computer, causes the computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • the network device indicates to the terminal device the number or minimum number of receiving antenna ports used for downlink reception, instead of always using the most receiving antenna ports for downlink reception, thereby reducing the downlink receiving process. Power consumption to achieve the purpose of energy saving, which can extend the standby time and use time of terminal equipment.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with the terminal device 120 (or referred to as a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device may be a mobile switching center, relay station, access point, vehicle equipment, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • PLMN public land mobile networks
  • the communication system 100 further includes at least one terminal device 120 located within a coverage area of the network device 110.
  • terminal equipment used herein includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection ; And / or another data connection / network; and / or via a wireless interface, such as for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a “wireless communication terminal”, a “wireless terminal”, or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; personal communications systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communications capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, Web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS personal communications systems
  • GPS Global Positioning System
  • a terminal device can refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Processing Assistant (PDA), and wireless communication.
  • the terminal devices 120 may perform terminal direct connection (Device to Device, D2D) communication.
  • D2D Terminal to Device
  • the 5G system or the 5G network may also be referred to as a New Radio (New Radio) system or an NR network.
  • New Radio New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • the device having a communication function in the network / system in the embodiments of the present application may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 having a communication function, and the network device 110 and the terminal device 120 may be specific devices described above, and will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobile management entity, and the like, which is not limited in the embodiments of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application.
  • the method in the embodiment of the present application may be used for communication in frequency bands n7, n38, n41, n77, n78, or n79.
  • the 5G specification requires that in the frequency band below 6GHZ, the terminal device can be equipped with at least 4 receivers in the frequency bands n7, n38, n41, n77, n78, and n79 (which may refer to the frequency band defined in the 3GPP release 15) Antenna port.
  • the frequency bands n38, n41, n77, and n78 may be the main frequency bands of 5GHz
  • the above requirements mean that 5G terminals need to be equipped with at least 4 receiving antenna ports if they want to support the above frequency bands.
  • the LTE terminal is generally equipped with two receiving antenna ports.
  • each receiving antenna port corresponds to a radio frequency path, including antennas, PA, AD / DA, filters, and even baseband processing devices. These components will consume the terminal Power consumption.
  • the terminal device does not have to use at least four receiving antenna ports, otherwise it will bring a large power consumption. Therefore, the method in the embodiment of the present application can solve the problem of terminal power consumption.
  • the working mode in which the terminal device uses fewer receiving antenna ports (less than its own receiving antenna ports) for downlink reception may be referred to as a multi-antenna port fallback working mode.
  • the receiving antenna port of the terminal device and the receiving antenna of the terminal device may have a one-to-one relationship, but the embodiment of the present application is not limited thereto.
  • the receiving antenna port of the terminal device and the terminal The receiving antennas of the device may have a one-to-many relationship, which depends on the specific implementation, which is not specifically limited in this embodiment of the present application.
  • the network device sends instruction information to the terminal device, where the instruction information is used to indicate the number or minimum number of receiving antenna ports that the terminal device is allowed to use.
  • the number or minimum number of receiving antenna ports indicated by the indication information may be less than the number of receiving antenna ports provided by the terminal device, and of course, may also be equal to the number of receiving antenna ports provided by the terminal device.
  • the number of receiving antenna ports indicated by the instruction information may be equal to four or less than four.
  • the indication information indicates that the number or minimum number of receiving antenna ports allowed by the terminal device may be indicated in a display manner, for example, the indication information may explicitly carry the number or minimum number. Alternatively, the number or the minimum number may also be indicated in a hidden manner, for example, it may be indicated by a resource or the like that carries the indication information.
  • the network device may receive a request message from the terminal device, the request message carrying the desired number or minimum number of receiving antenna ports. If the network device sends an acceptance message for the request message, the acceptance message may be used as mentioned above. Instructions.
  • the indication information may be carried in a broadcast message, for example, it may be carried in a physical broadcast channel (PBCH), a remaining minimum system information (Remaining Minimum System Information, RMSI), and other System Information (Other Information) (OSI).
  • PBCH physical broadcast channel
  • RMSI remaining Minimum System Information
  • OSI System Information
  • indication information may also be carried in other messages, for example, may be carried in a Radio Resource Control (Radio Resource Control, RRC) message, which is not specifically limited in this embodiment of the present application.
  • RRC Radio Resource Control
  • the terminal device receives the instruction information sent by the network device.
  • the terminal device performs downlink reception according to the instruction information.
  • the network device may perform downlink transmission based on the number or minimum number of receiving antenna ports.
  • the number of data transmission layers may be less than or equal to the number or the minimum number.
  • the network device instructs the terminal device to adopt a receiving method smaller than the number of receiving antenna ports provided by the terminal device through the instruction information
  • the network device adopts less than or equal to the terminal device scheduling.
  • the number of data layers of the number of receiving antenna ports indicated by the indication information is Multiple-Input Multiple-Output (MIMO) transmission.
  • MIMO Multiple-Input Multiple-Output
  • the terminal's data scheduling can either use a single layer of data transmission or use a maximum of 2 layers of MIMO data transmission.
  • the terminal device may perform downlink reception with the number or minimum number of receiving antenna ports indicated by the indication information.
  • the terminal device may perform downlink transmission in a manner that the number of receiving antenna ports performs downlink reception.
  • the terminal device may use the two receiving antenna ports for downlink reception.
  • the terminal device may perform the receiving antenna ports with the number or more, and perform downlink reception.
  • the terminal may use two, three, or four receiving antenna ports for downlink reception.
  • the network device indicates to the terminal device the number or minimum number of receiving antenna ports used for downlink reception, instead of always using the most receiving antenna ports for downlink reception, thereby reducing the downlink receiving process. Power consumption to achieve the purpose of energy saving.
  • the terminal device may send a request message to the network device, where the request message is used to request the network device to receive the number or minimum number of antenna ports.
  • the network device may receive a request message sent by the terminal; and send the indication information based on the request message.
  • the indication information may optionally be carried in radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the terminal device may send a request message to the network device, and the request message may be used to request the network device The number or minimum number of receiving antenna ports.
  • the network device may send the indication information based on the request message.
  • the request message further carries a cause value for requesting the number or minimum number of receiving antenna ports, and / or the desired number or minimum number of receiving antenna ports.
  • the terminal device may send the requested cause value and / or the desired number or minimum number of receiving antenna ports to the network device.
  • This network device can send instructions.
  • the number or minimum number of receiving antenna ports allowed by the terminal device indicated in the instruction information sent by the network device may be equal to the number or minimum number of receiving antenna ports expected by the terminal device, or may be Not equal to (eg, greater than or less than) the number or minimum number of receive antenna ports expected by the terminal device.
  • a terminal device supporting the frequency band n7, n38, n41, n77, n78, or n79 needs to support at least four receiving antenna ports, but the terminal device does not need to use four receiving antenna ports in many use scenarios.
  • the terminal device it is not necessary for the terminal device to use 4 receiving antenna ports in these scenarios, because these are small data packets
  • the receiving performance with 2 receiving antenna ports is sufficient, and the performance gain of using 4 receiving antenna ports with relatively fewer receiving antenna ports (such as 2 receiving antenna ports) is not obvious.
  • 4 receiving antennas are used in terminal equipment. When the port performs downlink reception, the terminal device needs to use four receiving paths to receive and process the downlink signal, which will bring great power consumption.
  • the terminal equipment still uses 4 antenna receiving ports under low battery conditions, it is not beneficial to extend the standby time of the terminal. At this time, the working mode of falling back to fewer receiving antenna ports (such as 2 receiving antenna ports) is Conducive to extending standby time.
  • the terminal device may send a request message to the network device to apply for fallback to the low-power operation mode.
  • the working mode of the number of receiving antenna ports for example, a terminal having a capability of 4 receiving antenna ports, requests the use of 2 receiving antenna ports by requesting information.
  • the terminal device may also carry a request cause value in the request message, such as low power or low rate service requirements.
  • the network device may send instruction information to the terminal if the network device is judged to allow the terminal to enter the low power consumption mode.
  • the instruction information indicates that the terminal is allowed to enter the low power consumption mode, and further indicates that the terminal uses the minimum number of receiving antenna ports. For example, for a terminal having 4 receiving antenna ports, when the terminal requests 2 receiving antenna ports through a request message, the network device may instruct the terminal to use at least 2 receiving antenna ports through the instruction information.
  • the network device can also reject the request from the terminal device, which still makes the terminal use the 4 receiving antenna port to receive downlink information.
  • the network device may send the indication information according to at least one of the following: downlink channel status of the terminal device, cell coverage, power of the terminal device, and terminal's Business conditions.
  • the network device may generate and send the indicated indication information according to at least one of a downlink channel state of the terminal device, a cell coverage situation, a terminal equipment power level, and a terminal service condition. .
  • the network device may send the instruction information according to at least one of a downlink channel state, a cell coverage situation, and a terminal service situation of the terminal device without receiving a request from the terminal device.
  • the network coverage can be characterized by the radius of the cell.
  • the terminal device can use fewer receiving antenna ports for downlink reception. If a request message is received by the terminal device for requesting to be received with fewer receiving antenna ports, the request message may be accepted.
  • the terminal device may use more receiving antenna ports for downlink reception. If a request message is received by the terminal device for requesting to receive by using fewer receiving antenna ports, the request message may be rejected.
  • the downlink channel state of the terminal device can be characterized by a signal to interference plus noise ratio (Signal to Interference plus Noise Ratio).
  • the terminal device can use fewer receiving antenna ports for downlink reception. If a request message is received by the terminal device for requesting to be received with fewer receiving antenna ports, the request message may be accepted.
  • the terminal device may use more receiving antenna ports for downlink reception. If a request message is received by the terminal device for requesting to receive by using fewer receiving antenna ports, the request message may be rejected.
  • the service condition of the terminal device may be used to indicate whether the service permitted by the terminal device is a small data packet.
  • the terminal device can use fewer receiving antenna ports for downlink reception. If a request message is received by the terminal device for requesting to be received with fewer receiving antenna ports, the request message may be accepted.
  • the terminal device may use more receiving antenna ports for downlink reception. If a request message is received by the terminal device for requesting to receive by using fewer receiving antenna ports, the request message may be rejected.
  • the network device may send the number or the minimum number of receiving antenna ports that the terminal device is allowed to use in the broadcast message.
  • the network device can still notify the terminal device by using a 2 receiving antenna port to receive downlink signals.
  • the number or minimum number of receiving antenna ports indicated in the broadcast message may be determined according to the network coverage situation mentioned above and the like.
  • the instruction information is further used to indicate to the terminal device at least one of the following 1), 2), 3), and 4).
  • the indication information may be carried in RRC signaling, that is, the indication information for a specific terminal device may also indicate at least one of the above-mentioned, or the indication information may also be carried in a broadcast message.
  • the network device may further instruct the terminal which signals or channels can be received by using the fewer receiving antenna ports, and / or inform the terminal which signals or channels can be received by using the more receiving antenna ports.
  • the signals or channels that use fewer receiving antenna ports to receive can be (Remaining Minimum System Information, RMSI), (Other System Information, OSI), paging messages, or Random Access Response (RAR) messages Wait.
  • RMSI Remaining Minimum System Information
  • OSI Operating System Information
  • RAR Random Access Response
  • the network device may further instruct the terminal which RRC states can be received by using the fewer receiving antenna ports, and / or notify the terminal which RRC states can be received by using the more receiving antenna ports.
  • a terminal device in an idle state can use fewer receiving antenna ports for downlink reception, and a terminal device in a connected state can use more receiving antenna ports for downlink reception.
  • the network device may further inform the terminal under what channel state by using the fewer receiving antenna ports to receive, and / or inform the terminal under what channel state may use the more Receive antenna port.
  • the terminal device may use fewer receiving antenna ports for downlink reception, and when the SINR is less than or equal to a specific value, the terminal device may use more receiving antenna ports for downlink reception, optional This kind of situation can be applied to a case where a terminal device receives a broadcast message.
  • the terminal device uses MIMO for multi-antenna port data transmission
  • the terminal device when the SINR is greater than or equal to a specific value, the terminal device can use more receiving antenna ports for downlink reception, and when the SINR is less than or equal to a specific value, the terminal device Fewer receiving antenna ports can be used for downlink reception. This is because when the SINR is high, more receiving antenna ports are beneficial for MIMO multi-antenna port data transmission.
  • the network device may further instruct the terminal under what service conditions to use the fewer receiving antenna ports for reception, and / or notify the terminal under what service conditions may use the more receiving antenna ports. Receive.
  • the terminal device may use fewer receiving antenna ports for downlink reception, and when the services transmitted over a period of time are not all small data packets, the terminal device may use a relatively small data packet. Multiple receiving antenna ports perform downlink reception.
  • the coverage of the general network is small, and the SINR of the downlink channel of the terminal device is relatively high.
  • the terminal can be notified in the broadcast to use the 2 receiving antenna port for reception.
  • the network device may send instruction information to instruct the terminal device to use more receiving antenna ports for downlink reception.
  • the network device may send instruction information to instruct the terminal device to use fewer receiving antenna ports for downlink reception.
  • the network device may indicate the number or minimum number of receiving antenna ports that the terminal device is allowed to use in real time according to a change in the situation (for example, a change in a channel state of a terminal or a change in a service, etc.).
  • the network device indicates to the terminal device the number or minimum number of receiving antenna ports used for downlink reception, instead of always using the most receiving antenna ports for downlink reception, thereby reducing the downlink receiving process. Power consumption to achieve the purpose of energy saving, which can extend the standby time and use time of terminal equipment.
  • the network device may not send instruction information to the terminal device, and the terminal device and the network device independently determine the number or minimum number of receiving antenna ports used by the terminal device for downlink reception.
  • the network equipment and the terminal equipment may be respectively based on the network coverage, the status of the downlink channel of the terminal equipment, the current RRC status of the terminal equipment, the type of the current downlink channel or signal, the service conditions of the terminal equipment, and the methods mentioned in the above methods Any available factor, independently determine the number or minimum number of receiving antenna ports used by the terminal device for downlink reception.
  • the network equipment and the terminal equipment may be respectively based on the network coverage, the status of the downlink channel of the terminal equipment, the current RRC status of the terminal equipment, the type of the current downlink channel or signal, the service conditions of the terminal equipment, and the methods mentioned in the above methods Any available factor, independently determine the number or minimum number of receiving antenna ports used by the terminal device for downlink reception.
  • the foregoing description For brevity, details are not described herein again.
  • FIG. 3 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 310 includes a sending unit 310, configured to:
  • the network device 300 further includes a receiving unit 320, configured to:
  • the sending unit 310 is further configured to send the indication information based on the request message.
  • the request message further carries a cause value for requesting the number or minimum number of receiving antenna ports, and / or the desired number or minimum number of receiving antenna ports.
  • the sending unit 310 is further configured to:
  • downlink transmission is performed.
  • the indication information is carried in a broadcast message or a radio resource control RRC.
  • the broadcast message is a remaining minimum system information RMSI, other system information OSI, or a physical broadcast channel PBCH.
  • the sending unit 310 is further configured to:
  • a downlink channel state of the terminal device a cell coverage condition, a battery level of the terminal device, and a service condition of the terminal.
  • the instruction information is further used to indicate to the terminal device at least one of the following:
  • the downlink channels or signals to be received When performing downlink reception according to the number or minimum number of receiving antenna ports, the downlink channels or signals to be received;
  • the RRC state that needs to be in When performing downlink reception according to the number or minimum number of receiving antenna ports, the RRC state that needs to be in;
  • the device is used for communication in the following frequency bands:
  • the network device 300 may implement the corresponding functions implemented by the network device in the method in the embodiment of the present application. For brevity, details are not described herein again.
  • FIG. 4 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes a receiving unit 410, configured to:
  • the device 400 further includes a sending unit 420, configured to:
  • the request message further carries a cause value for requesting the number or minimum number of receiving antenna ports, and / or the desired number or minimum number of receiving antenna ports.
  • the indication information is carried in a broadcast message or a radio resource control RRC.
  • the broadcast message is a remaining minimum system information RMSI, other system information OSI, or a physical broadcast channel PBCH.
  • the instruction information is further used to indicate to the terminal device at least one of the following:
  • the downlink channels or signals to be received When performing downlink reception according to the number or minimum number of receiving antenna ports, the downlink channels or signals to be received;
  • the RRC state that needs to be in When performing downlink reception according to the number or minimum number of receiving antenna ports, the RRC state that needs to be in;
  • the device is used for communication in the following frequency bands:
  • terminal device 400 may implement the corresponding functions implemented by the terminal device in the method in the embodiment of the present application. For brevity, details are not described herein again.
  • FIG. 5 is a schematic structural diagram of a communication device 500 according to an embodiment of the present application.
  • the communication device 500 shown in FIG. 5 includes a processor 510, and the processor 510 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 500 may further include a memory 520.
  • the processor 510 may call and run a computer program from the memory 520 to implement the method in the embodiment of the present application.
  • the memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.
  • the communication device 500 may further include a transceiver 530, and the processor 510 may control the transceiver 530 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other information. Information or data sent by the device.
  • the transceiver 530 may include a transmitter and a receiver.
  • the transceiver 530 may further include antennas, and the number of antennas may be one or more.
  • the communication device 500 may specifically be a network device according to an embodiment of the present application, and the communication device 500 may implement a corresponding process implemented by a network device in each method of the embodiments of the present application. For brevity, details are not described herein. .
  • the communication device 500 may specifically be a mobile terminal / terminal device in the embodiment of the present application, and the communication device 500 may implement the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application, for the sake of simplicity , Will not repeat them here.
  • FIG. 6 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 600 shown in FIG. 6 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the chip 600 may further include an input interface 630.
  • the processor 610 may control the input interface 630 to communicate with other devices or chips. Specifically, the processor 610 may obtain information or data sent by other devices or chips.
  • the chip 600 may further include an output interface 640.
  • the processor 610 may control the output interface 640 to communicate with other devices or chips. Specifically, the processor 610 may output information or data to the other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal / terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal / terminal device in each method of the embodiment of the present application. For simplicity, here No longer.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • FIG. 7 is a schematic block diagram of a communication system 700 according to an embodiment of the present application. As shown in FIG. 7, the communication system 700 includes a terminal device 710 and a network device 720.
  • the terminal device 710 may be used to implement the corresponding function implemented by the terminal device in the foregoing method
  • the network device 720 may be used to implement the corresponding function implemented by the network device in the foregoing method.
  • details are not described herein again. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • a software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate Synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM), direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method in the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiment of the present application.
  • An embodiment of the present application further provides a computer program product, including computer program instructions.
  • the computer program product can be applied to a network device in the embodiment of the present application, and the computer program instruction causes a computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
  • the computer program product may be applied to a mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause a computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • the computer program can be applied to a mobile terminal / terminal device in the embodiment of the present application, and when the computer program is run on a computer, the computer executes each method in the embodiment of the application by the mobile terminal / terminal device.
  • the corresponding processes are not repeated here for brevity.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the foregoing storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes .

Abstract

一种无线通信方法和设备，能够降低终端的功耗。该方法包括：向终端设备发送指示信息，指示信息用于指示允许终端设备使用的接收天线端口的数量或最小数量。

Description

无线通信方法、网络设备和终端设备 技术领域
本申请涉及通信领域，并且更具体地，涉及一种无线通信方法、网络设备和终端设备。
背景技术
5G通信技术具有大带宽，高峰值速率，低延时的特点，比如5G可以在数百MHz甚至数GHz带宽上，以数Gbps或几十Gbps的速率传输。
因此5G技术可支持实时高清视频直播，高清电影下载，增强现实(Augmented Reality，AR)和虚拟现实(Virtual Reality，VR)等业务，可望带来非常好的用户体验。
然而，大带宽，高速率的传输对于5G的终端而言会带来诸多挑战，大的带宽会导致终端的射频通路的功耗(例如，模数转换器(Analog to Digital converter，DAC)/数模转换器(Digital to Analog converter，DAC)ADC/DAC，功率放大器(Power Amplifier，PA)和滤波器等射频器件的功耗)急剧上升，高速率的传输也要求终端的基带处理的器件(如滤波器，数字信号处理器(Digital Signal Processor，DSP)、现场可编程门阵列(Field－Programmable Gate Array，FPGA)，即等器件)以高速运转，从而带来功耗的增加。
因此，如何解决5G终端的功耗问题是一项亟待解决的问题。
发明内容
本申请实施例提供一种无线通信方法和设备，可以能够降低终端的功耗。
第一方面，提供了一种无线通信方法，包括：
向终端设备发送指示信息，所述指示信息用于指示允许所述终端设备使用的接收天线端口的数量或最小数量。
结合第一方面，在第一方面的一种可能的实现方式中，所述方法还包括：
接收所述终端发送的请求消息，所述请求消息用于向网络设备请求接收天线端口的数量或最小数量；
所述向终端设备发送指示信息，包括：
基于所述请求消息，发送所述指示信息。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能的实现方式中，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能的实现方式中，所述方法还包括：
基于所述接收天线端口的数量或最小数量，进行下行发送。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能 的实现方式中，所述指示信息承载于广播消息或无线资源控制RRC中。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能的实现方式中，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能的实现方式中，所述向终端设备发送指示信息，包括：
根据以下中的至少一种，向所述终端设备发送所述指示信息：
所述终端设备的下行信道状态、小区覆盖情况、所述终端设备的电池电量和终端的业务情况。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能的实现方式中，所述指示信息进一步用于向终端设备指示以下中的至少一种：
按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
结合第一方面或上述任一种可能的实现方式，在第一方面的另一种可能的实现方式中，所述方法用于以下频段的通信中：
n7，n38，n41，n77，n78或n79。
第二方面，提供了一种无线通信方法，包括：
接收网络设备发送的指示信息，所述指示信息用于指示允许终端设备使用的接收天线端口的数量或最小数量；
根据所述指示信息，进行下行接收。
结合第二方面，在第二方面的一种可能的实现方式中，所述方法还包括：
向所述网络设备发送请求消息，所述请求消息用于向所述网络设备请求接收天线端口的数量或最小数量。
结合第二方面或上述任一种可能的实现方式，在第二方面的另一种可能的实现方式中，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
结合第二方面或上述任一种可能的实现方式，在第二方面的另一种可能的实现方式中，所述指示信息承载于广播消息或无线资源控制RRC中。
结合第二方面或上述任一种可能的实现方式，在第二方面的另一种可能的实现方式中，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
结合第二方面或上述任一种可能的实现方式，在第二方面的另一种可能 的实现方式中，所述指示信息进一步用于向终端设备指示以下中的至少一种：
按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
结合第二方面或上述任一种可能的实现方式，在第二方面的另一种可能的实现方式中，所述方法用于以下频段的通信中：
n7，n38，n41，n77，n78或n79。
第三方面，提供了一种网络设备，用于执行上述第一方面或其各实现方式中的方法。
具体地，该网络设备包括用于执行上述第一方面或其各实现方式中的方法的功能模块。
第四方面，提供了一种终端设备，用于执行上述第二方面或其各实现方式中的方法。
具体地，该终端设备包括用于执行上述第二方面或其各实现方式中的方法的功能模块。
第五方面，提供了一种网络设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第一方面或其各实现方式中的方法。
第六方面，提供了一种终端设备，包括处理器和存储器。该存储器用于存储计算机程序，该处理器用于调用并运行该存储器中存储的计算机程序，执行上述第二方面或其各实现方式中的方法。
第七方面，提供了一种芯片，用于实现上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
具体地，该芯片包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有该芯片的设备执行如上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第八方面，提供了一种计算机可读存储介质，用于存储计算机程序，该计算机程序使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第九方面，提供了一种计算机程序产品，包括计算机程序指令，该计算机程序指令使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第十方面，提供了一种计算机程序，当其在计算机上运行时，使得计算 机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
因此，在本申请实施例中，网络设备向终端设备指示进行下行接收时采用的接收天线端口的数量或最小数量，而非一直采用最多的接收天线端口进行下行接收，从而可以减少下行接收过程中的功耗，达到节能的目的，从而可以延长终端设备的待机时间和使用时间。
附图说明
图1是根据本申请实施例的通信系统的示意性图。
图2是根据本申请实施例的无线通信方法的示意性流程图。
图3是根据本申请实施例的网络设备的示意性框图。
图4是根据本申请实施例的终端设备的示意性框图。
图5是根据本申请实施例的通信设备的示意性框图。
图6是根据本申请实施例的芯片的示意性框图。
图7是根据本申请实施例的通信系统的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统或5G系统等。
示例性的，本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110，网络设备110可以是与终端设备120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备进行通信。可选地，该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station，BTS)，也可以是WCDMA系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该网 络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。作为在此使用的“终端设备”包括但不限于经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端设备的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地，终端设备120之间可以进行终端直连(Device to Device，D2D)通信。
可选地，5G系统或5G网络还可以称为新无线(New Radio，NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端设备，可选地，该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。
可选地，该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例，通信设备可包括具有通信功能的网络设备110和终端设备120，网络设备110和终端设备120可以为上文所述的具体设备，此处不再赘述；通信设备还可包括通信系统100中的其他设备， 例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。
应理解，本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图2是根据本申请实施例的无线通信方法200的示意性流程图。
可选地，本申请实施例的方法可以用于频段n7,n38,n41,n77,n78或n79的通信中。
可选地，5G规范要求在6GHZ以下的频段中，终端设备在频段n7,n38,n41,n77,n78和n79(可以指3GPP版本(release)15 38.101中定义的频段)可以至少装配4个接收天线端口。由于像频段n38,n41,n77,n78可能会是5GHz的主力频段，所以上述要求意味着5G终端如果要支持上述频段需要配备至少4个接收天线端口。而LTE终端一般是装配2个接收天线端口。接收天线端口的增多意味着UE需要消耗更多的功耗，因为每一个接收天线端口对应一个射频通路，包含天线、PA、AD/DA、滤波器、甚至基带处理器件，这些元器件都会消耗终端功耗。然而，在很多使用场景中，终端设备不必必须采用至少4个接收天线端口，否则将带来很大的功率消耗。因此，本申请实施例的方法可以解决终端功耗的问题。
可选地，在本申请实施例中，终端设备采用较少的接收天线端口(少于自身具备的接收天线端口)进行下行接收的工作模式可以称为多天线端口回退工作模式。
可选地，本申请实施例中，终端设备的接收天线端口与终端设备的接收天线可以是一对一的关系，但是本申请实施例并不限于此，例如，终端设备的接收天线端口与终端设备的接收天线可以是一对多的关系，由具体实现而定，本申请实施例对此不作具体限定。
在210中，网络设备向终端设备发送指示信息，该指示信息用于指示允许终端设备使用的接收天线端口的数量或最小数量。
可选地，该指示信息指示的接收天线端口的数量或最小数量可以小于终端设备所具备的接收天线端口的数量，当然，也可以等于终端设备所具备的接收天线端口的数量。
例如，终端设备所具备的接收天线端口的数量为4，则该指示信息指示的接收天线端口的数量可以等于4，也可以小于4。
应理解，该指示信息指示允许终端设备使用的接收天线端口的数量或最小数量可以通过显示的方式指示，例如，指示信息可以明确携带该数量或最小数量。或者，也可以通过隐示的方式指示该数量或最小数量，例如，可以通过承载该指示信息的资源等来指示。或者，网络设备可以接收终端设备的请求消息，请求消息携带了期望采用的接收天线端口的数量或最小数量，如 果网络设备发送了针对该请求消息的接受消息，则该接受消息可以作为上述提到的指示信息。
可选地，在本申请实施例中，该指示信息可以承载于广播消息中，例如可以承载于物理广播信道(Physical Broadcasting Channel，PBCH)，剩余最小系统信息(Remaining Minimum System Information，RMSI)和其他系统信息(Other System Information，OSI)。
应理解，该指示信息也可以承载于其他消息中，例如，可以承载于无线资源控制(Radio Resource Control，RRC)消息中，本申请实施例对此不作具体限定。
在220中，终端设备接收网络设备发送的该指示信息。
在230中，终端设备根据所述指示信息，进行下行接收。
可选地，在本申请实施例中，网络设备可以基于接收天线端口的数量或最小数量进行下行发送。其中，网络设备在进行下行发送时，数据传输的层数可以小于或等于该数量或最小数量。
具体地，当网络设备通过指示信息指示允许终端设备采用小于终端设备具备的接收天线端口数量的接收方式后，当该接收方式生效后，网络设备对于终端设备的调度中，采用小于或等于所述指示信息指示的接收天线端口数量的数据层数进行多入多出(Multiple-Input Multiple-Output，MIMO)传输。
例如，网络设备指示终端采用2天线接收端口进行接收后，对终端的数据调度要么采用单层数据传输，要么采用最多2层的MIMO数据传输。
可选地，在本申请实施例中，终端设备可以以指示信息指示的数量或最小数量的接收天线端口，进行下行接收。
其中，在指示信息用于指示接收天线端口的数量时，终端设备可以该数量的接收天线端口进行下行接收的方式，进行下行发送。
例如，假设指示信息指示的是接收天线端口的数量为2，则终端设备可以利用2个接收天线端口进行下行接收。
或者，在指示信息用于指示接收天线端口的最小数量时，终端设备可以该数量或大于该数量的接收天线端口进行，下行接收。
例如，假设指示信息指示的是接收天线端口的最小数量为2，则终端可以利用2个、3个或4个接收天线端口进行下行接收。
因此，在本申请实施例中，网络设备向终端设备指示进行下行接收时采用的接收天线端口的数量或最小数量，而非一直采用最多的接收天线端口进行下行接收，从而可以减少下行接收过程中的功耗，达到节能的目的。
可选地，在本申请实施例中，终端设备可以向网络设备发送请求消息，所述请求消息用于向所述网络设备请求接收天线端口的数量或最小数量。网络设备可以接收所述终端发送的请求消息；并基于所述请求消息，发送所述指示信息。
此时，该指示信息可选地可以承载于无线资源控制(Radio Resource Control，RRC)信令中。
具体地，终端设备在需要改变当前接收天线端口的数量或将要进行下行接收或者将要进行某种类型的下行接收时，可以向网络设备发送请求消息，该请求消息可以用于向所述网络设备请求接收天线端口的数量或最小数量。则网络设备可以基于该请求消息，发送指示信息。
可选地，在本申请实施例中，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
具体地，终端设备在由于某种原因需要向网络设备请求接收天线端口的数量或最小数量时，可以将请求的原因值和/或期望的接收天线端口的数量或最小数量发送给网络设备，由此网络设备可以来发送指示信息。
可选地，在本申请实施例中，网络设备发送的指示信息中指示的允许终端设备使用的接收天线端口的数量或最小数量可以等于终端设备期望的接收天线端口的数量或最小数量，也可以不等于(例如，大于或小于)终端设备期望的接收天线端口的数量或最小数量。
具体地，支持频段n7,n38,n41,n77,n78或n79的终端设备需要支持至少4个接收天线端口，但终端设备在很多使用场景中不必要采用4个接收天线端口。例如，在仅仅支持小数据包的传输场景中，如短消息，微信短信聊天等，终端设备在这些场景下使用4个接收天线端口的必要性不大，这是因为都是较小的数据包传输，采用2接收天线端口进行接收的接收性能已经足够，采用4接收天线端口相对更少的接收天线端口(如2接收天线端口)的性能增益不明显，另外，在终端设备使用4个接收天线端口进行下行接收时，终端设备需要采用4个接收通路对下行信号进行接收与处理，会带来很大的功率消耗。
另外，终端设备在低电量情况下如果依然采用4个天线接收端口，对于延长终端的待机时间是不利的，此时回退到更少的接收天线端口(如2接收天线端口)的工作模式有利于延长待机时间。
因此，在上述场景中，为了达到终端设备节能的目的，终端设备可以向网络设备发送请求消息，申请回退到低功耗工作模式，例如，在请求消息中可以申请回退到小于自身具备的接收天线端口数量的工作模式，例如，具备4接收天线端口能力的终端，通过请求信息请求使用2接收天线端口。
其中，终端设备也可以在请求消息中携带请求原因值，如低电量或低速率业务需求等。
网络设备在接收到终端设备发送的所述请求消息后，如果网络设备经过判断，允许终端进入低功耗模式，则可以向终端发送指示信息。指示信息指示允许终端进入低功耗模式，进一步可指示终端的使用的最少的接收天线端口个数。例如，对于具备4接收天线端口的终端，当终端通过请求消息请求2接收天线端口，则网络设备可以通过指示信息指示终端使用至少2接收天线端口。当然网络设备也可拒绝终端设备的请求，依然使得终端利用4接收天线端口接收下行信息。
可选地，在本申请实施例中，网络设备可以根据以下中的至少一种，发送所述指示信息：所述终端设备的下行信道状态、小区覆盖情况、所述终端设备的电量和终端的业务情况。
其中，网络设备可以在接收到终端设备的请求消息之后，根据所述终端设备的下行信道状态、小区覆盖情况、终端设备的电量和终端的业务情况的至少一种，生成并发送所示指示信息。
或者，网络设备也可以无需收到终端设备的请求，而是自行根据所述终端设备的下行信道状态、小区覆盖情况和终端的业务情况的至少一种，发送所述指示信息。
可选地，网络覆盖情况可以通过小区的半径来表征。
如果小区的半径较小，则终端设备可以采用较少的接收天线端口进行下行接收。如果接收到了终端设备用于请求采用较少的接收天线端口进行接收的请求消息，则可以接受该请求消息。
或者，如果小区的半径较大，则终端设备可以采用较多的接收天线端口进行下行接收。如果接收到了终端设备用于请求采用较少的接收天线端口进行接收的请求消息，则可以拒绝该请求消息。
可选地，终端设备的下行信道状态可以通过信号与干扰加噪声比(Signal to Interference plus Noise Ratio，SINR)来表征。
如果终端设备的下行信道的SINR较大，则终端设备可以采用较少的接收天线端口进行下行接收。如果接收到了终端设备用于请求采用较少的接收天线端口进行接收的请求消息，则可以接受该请求消息。
或者，如果终端设备的下行信道的SINR较小，则终端设备可以采用较多的接收天线端口进行下行接收。如果接收到了终端设备用于请求采用较少的接收天线端口进行接收的请求消息，则可以拒绝该请求消息。
可选地，终端设备的业务情况可以用于指示允许终端设备传输的业务的是否是小数据包。
如果终端设备的一段时间的业务均为小数据包，则终端设备可以采用较少的接收天线端口进行下行接收。如果接收到了终端设备用于请求采用较少的接收天线端口进行接收的请求消息，则可以接受该请求消息。
或者，终端设备的一段时间的业务不全为小数据包，则终端设备可以采用较多的接收天线端口进行下行接收。如果接收到了终端设备用于请求采用较少的接收天线端口进行接收的请求消息，则可以拒绝该请求消息。
可选地，在本申请实施例中，网络设备可以在广播消息中发送允许终端设备使用的接收天线端口的数量或最小数量。
例如，在频段n7,n38,n41,n77,n78或n79上，即使终端设备最少需要具备4接收天线端口，网络设备依然可以通过广播的方式告知终端设备采用2接收天线端口接收下行信号。
可选地，广播消息中指示的接收天线端口的数量或最小数量可以根据上文提到的网络覆盖情况等来确定。
可选地，在本申请实施例中，所述指示信息进一步用于向终端设备指示以下1)、2)、3)和4)中的至少一种。此时，该指示信息可以承载于RRC信令中，也即是针对特定终端设备的指示信息也可以指示以上提到的至少一种，或者，该指示信息也可以承载于广播消息中。
1)按照指示信息指示的接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号。
具体地，网络设备可以通过指示信息进一步告知终端哪些信号或信道可以采用所述较少的接收天线端口进行接收，和/或告知终端哪些信号或信道可以采用所述较多的接收天线端口进行接收。
其中，采用较少的接收天线端口进行接收的信号或信道可以是(Remaining Minimum System Information，RMSI)、(Other System Information，OSI)、寻呼消息或随机接入响应(Random Access Response，RAR)消息等。
2)按照指示信息指示的接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态。
具体地，网络设备可以通过指示信息进一步告知终端哪些RRC状态可以采用所述较少的接收天线端口进行接收，和/或告知终端哪些RRC状态可以采用所述较多的接收天线端口进行接收。
其中，处于空闲(idle)状态的终端设备，可以采用较少的接收天线端口进行下行接收，处于连接态的终端设备可以采用较多的接收天线端口进行下行接收。
3)按照指示信息指示的接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态。
具体地，网络设备可以通过指示信息进一步告知终端在什么情况的信道状态下可以采用所述较少的接收天线端口进行接收，和/或告知终端在什么情况的信道状态下可以采用所述较多的接收天线端口进行接收。
其中，在SINR大于或等于特定值时，终端设备可以采用较少的接收天线端口进行下行接收，在SINR小于或等于特定值时，终端设备可以采用较多的接收天线端口进行下行接收，可选地，该种情况可以应用于终端设备接收广播消息的情况。
在终端设备在利用MIMO进行多天线端口数据传输的情况下，在SINR大于或等于特定值时，终端设备可以采用较多的接收天线端口进行下行接收，在SINR小于或等于特定值时，终端设备可以采用较少的接收天线端口进行下行接收，这是由于在SINR较高的情况下，较多的接收天线端口有利于MIMO多天线端口数据传输。
4)按照指示信息指示的接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
具体地，网络设备可以通过指示信息进一步告知终端在什么业务情况下可以采用所述较少的接收天线端口进行接收，和/或告知终端在什么业务情况 下可以采用所述较多的接收天线端口进行接收。
其中，在一段时间内传输的业务均为小数据包时，终端设备可以采用较少的接收天线端口进行下行接收，在一段时间内传输的业务不均为小数据包时，终端设备可以采用较多的接收天线端口进行下行接收。
应理解，在本申请实施例中，以上1)、2)、3)、4)中的情况可以结合使用。
例如，对于小小区(small cell)而言，一般网络的覆盖较小，终端设备的下行信道的SINR比较高，对于空闲态的终端，接收寻呼消息或广播消息时，没有必要采用4接收天线端口，则可以在广播中通知终端采用2接收天线端口进行接收。
可选地，在本申请实施例中，在终端设备在已采用较少的接收天线端口进行下行接收时，网络设备可以发送指示信息，指示终端设备采用较多的接收天线端口进行下行接收。
或者，在终端设备在已采用较多的接收天线端口进行下行接收时，网络设备可以发送指示信息，指示终端设备采用较少的接收天线端口进行下行接收。
也就是说，网络设备可以根据情况变化(例如，终端的信道状态变化或业务变化等)，实时指示允许终端设备采用的接收天线端口的数量或最小数量。
因此，在本申请实施例中，网络设备向终端设备指示进行下行接收时采用的接收天线端口的数量或最小数量，而非一直采用最多的接收天线端口进行下行接收，从而可以减少下行接收过程中的功耗，达到节能的目的，从而可以延长终端设备的待机时间和使用时间。
应理解，本申请实施例并不限于以上方法200及其各种实施例，本申请实施例还可以具有其他的实现方式。
例如，网络设备可以不向终端设备发送指示信息，终端设备和网络设备分别自主判断终端设备进行下行接收所采用的接收天线端口的数量或最小数量。其中，网络设备和终端设备可以分别根据网络覆盖情况、终端设备的下行信道状态、终端设备当前所处的RRC状态、当前的下行信道或信号的类型、终端设备的业务情况以及上述方法中提到的任何可用的因素，分别自主判断终端设备进行下行接收所采用的接收天线端口的数量或最小数量。具体的实现方式可以参照上文的描述，为了简洁，在此不再赘述。
图3是根据本申请实施例的网络设备的示意性框图。如图3所示，该网络设备310包括发送单元310，用于：
向终端设备发送指示信息，所述指示信息用于指示允许所述终端设备使用的接收天线端口的数量或最小数量。
如图3所示，该网络设备300还包括接收单元320，用于：
接收所述终端发送的请求消息，所述请求消息用于向网络设备请求接收天线端口的数量或最小数量；
所述发送单元310进一步用于：基于所述请求消息，发送所述指示信息。
可选地，在本申请实施例中，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
可选地，在本申请实施例中，所述发送单元310进一步用于：
基于所述接收天线端口的数量或最小数量，进行下行发送。
可选地，在本申请实施例中，所述指示信息承载于广播消息或无线资源控制RRC中。
可选地，在本申请实施例中，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
可选地，在本申请实施例中，所述发送单元310进一步用于：
根据以下中的至少一种，向所述终端设备发送所述指示信息：
所述终端设备的下行信道状态、小区覆盖情况、所述终端设备的电池电量和终端的业务情况。
可选地，在本申请实施例中，所述指示信息进一步用于向终端设备指示以下中的至少一种：
按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
可选地，在本申请实施例中，所述设备用于以下频段的通信中：
n7，n38，n41，n77，n78或n79。
应理解，该网络设备300可以实现本申请实施例的方法中由网络设备实现的相应功能，为了简洁，在此不再赘述。
图4是根据本申请实施例的终端设备400的示意性框图。如图4所示，该终端设备400包括接收单元410，用于：
接收网络设备发送的指示信息，所述指示信息用于指示允许终端设备使用的接收天线端口的数量或最小数量；
根据所述指示信息，进行下行接收。
可选地，如图4所示，所述设备400还包括发送单元420，用于：
向所述网络设备发送请求消息，所述请求消息用于向所述网络设备请求接收天线端口的数量或最小数量。
可选地，在本申请实施例中，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
可选地，在本申请实施例中，所述指示信息承载于广播消息或无线资源控制RRC中。
可选地，在本申请实施例中，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
可选地，在本申请实施例中，所述指示信息进一步用于向终端设备指示以下中的至少一种：
按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
可选地，在本申请实施例中，所述设备用于以下频段的通信中：
n7，n38，n41，n77，n78或n79。
应理解，该终端设备400可以实现本申请实施例的方法中由终端设备实现的相应功能，为了简洁，在此不再赘述。
图5是本申请实施例提供的一种通信设备500示意性结构图。图5所示的通信设备500包括处理器510，处理器510可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。
可选地，如图5所示，通信设备500还可以包括存储器520。其中，处理器510可以从存储器520中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器520可以是独立于处理器510的一个单独的器件，也可以集成在处理器510中。
可选地，如图5所示，通信设备500还可以包括收发器530，处理器510可以控制该收发器530与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。
其中，收发器530可以包括发射机和接收机。收发器530还可以进一步包括天线，天线的数量可以为一个或多个。
可选地，该通信设备500具体可为本申请实施例的网络设备，并且该通信设备500可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该通信设备500具体可为本申请实施例的移动终端/终端设备，并且该通信设备500可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
图6是本申请实施例的芯片的示意性结构图。图6所示的芯片600包括处理器610，处理器610可以从存储器中调用并运行计算机程序，以实现本 申请实施例中的方法。
可选地，如图6所示，芯片600还可以包括存储器620。其中，处理器610可以从存储器620中调用并运行计算机程序，以实现本申请实施例中的方法。
其中，存储器620可以是独立于处理器610的一个单独的器件，也可以集成在处理器610中。
可选地，该芯片600还可以包括输入接口630。其中，处理器610可以控制该输入接口630与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。
可选地，该芯片600还可以包括输出接口640。其中，处理器610可以控制该输出接口640与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。
可选地，该芯片可应用于本申请实施例中的网络设备，并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该芯片可应用于本申请实施例中的移动终端/终端设备，并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
图7是本申请实施例提供的一种通信系统700的示意性框图。如图7所示，该通信系统700包括终端设备710和网络设备720。
其中，该终端设备710可以用于实现上述方法中由终端设备实现的相应的功能，以及该网络设备720可以用于实现上述方法中由网络设备实现的相应的功能为了简洁，在此不再赘述。
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synch link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。
可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。
可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序产品可应用于本申请实施例中的移动终端/终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。
可选地，该计算机程序可应用于本申请实施例中的移动终端/终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程，为了简洁，在此不再赘述。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，)ROM、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限 于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (42)

  1. 一种无线通信方法，其特征在于，包括：
    向终端设备发送指示信息，所述指示信息用于指示允许所述终端设备使用的接收天线端口的数量或最小数量。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    接收所述终端发送的请求消息，所述请求消息用于向网络设备请求接收天线端口的数量或最小数量；
    所述向终端设备发送指示信息，包括：
    基于所述请求消息，发送所述指示信息。
  3. 根据权利要求2所述的方法，其特征在于，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
  4. 根据权利要求1至3中任一项所述的方法，其特征在于，所述方法还包括：
    基于所述接收天线端口的数量或最小数量，进行下行发送。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述指示信息承载于广播消息或无线资源控制RRC中。
  6. 根据权利要求5所述的方法，其特征在于，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
  7. 根据权利要求1至6中任一项所述的方法，其特征在于，所述向终端设备发送指示信息，包括：
    根据以下中的至少一种，向所述终端设备发送所述指示信息：
    所述终端设备的下行信道状态、小区覆盖情况、所述终端设备的电池电量和终端的业务情况。
  8. 根据权利要求1至7中任一项所述的方法，其特征在于，所述指示信息进一步用于向终端设备指示以下中的至少一种：
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
    按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
    按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
  9. 根据权利要求1至8中任一项所述的方法，其特征在于，所述方法用于以下频段的通信中：
    n7，n38，n41，n77，n78或n79。
  10. 一种无线通信方法，其特征在于，包括：
    接收网络设备发送的指示信息，所述指示信息用于指示允许终端设备使 用的接收天线端口的数量或最小数量；
    根据所述指示信息，进行下行接收。
  11. 根据权利要求10所述的方法，其特征在于，所述方法还包括：
    向所述网络设备发送请求消息，所述请求消息用于向所述网络设备请求接收天线端口的数量或最小数量。
  12. 根据权利要求11所述的方法，其特征在于，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
  13. 根据权利要求10至12中任一项所述的方法，其特征在于，所述指示信息承载于广播消息或无线资源控制RRC中。
  14. 根据权利要求13所述的方法，其特征在于，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
  15. 根据权利要求10至14中任一项所述的方法，其特征在于，所述指示信息进一步用于向终端设备指示以下中的至少一种：
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
    按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
    按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
  16. 根据权利要求10至15中任一项所述的方法，其特征在于，所述方法用于以下频段的通信中：
    n7，n38，n41，n77，n78或n79。
  17. 一种网络设备，其特征在于，包括发送单元，用于：
    向终端设备发送指示信息，所述指示信息用于指示允许所述终端设备使用的接收天线端口的数量或最小数量。
  18. 根据权利要求17所述的设备，其特征在于，还包括接收单元，用于：
    接收所述终端发送的请求消息，所述请求消息用于向网络设备请求接收天线端口的数量或最小数量；
    所述发送单元进一步用于：基于所述请求消息，发送所述指示信息。
  19. 根据权利要求18所述的设备，其特征在于，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
  20. 根据权利要求17至19中任一项所述的设备，其特征在于，所述发送单元进一步用于：
    基于所述接收天线端口的数量或最小数量，进行下行发送。
  21. 根据权利要求17至20中任一项所述的设备，其特征在于，所述指示信息承载于广播消息或无线资源控制RRC中。
  22. 根据权利要求21所述的设备，其特征在于，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
  23. 根据权利要求17至22中任一项所述的设备，其特征在于，所述发送单元进一步用于：
    根据以下中的至少一种，向所述终端设备发送所述指示信息：
    所述终端设备的下行信道状态、小区覆盖情况、所述终端设备的电池电量和终端的业务情况。
  24. 根据权利要求17至23中任一项所述的设备，其特征在于，所述指示信息进一步用于向终端设备指示以下中的至少一种：
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
    按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
    按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
  25. 根据权利要求17至24中任一项所述的设备，其特征在于，所述设备用于以下频段的通信中：
    n7，n38，n41，n77，n78或n79。
  26. 一种终端设备，其特征在于，包括接收单元，用于：
    接收网络设备发送的指示信息，所述指示信息用于指示允许终端设备使用的接收天线端口的数量或最小数量；
    根据所述指示信息，进行下行接收。
  27. 根据权利要求26所述的设备，其特征在于，所述设备还包括发送单元，用于：
    向所述网络设备发送请求消息，所述请求消息用于向所述网络设备请求接收天线端口的数量或最小数量。
  28. 根据权利要求27所述的设备，其特征在于，所述请求消息还携带用于请求接收天线端口的数量或最小数量的原因值，和/或期望的接收天线端口的数量或最小数量。
  29. 根据权利要求26至28中任一项所述的设备，其特征在于，所述指示信息承载于广播消息或无线资源控制RRC中。
  30. 根据权利要求29所述的设备，其特征在于，所述广播消息为剩余最小系统信息RMSI、其他系统信息OSI或物理广播信道PBCH。
  31. 根据权利要求26至30中任一项所述的设备，其特征在于，所述指示信息进一步用于向终端设备指示以下中的至少一种：
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需接收的下行信道或信号；
    按照所述接收天线端口的数量或最小数量进行下行接收时，所需处于的RRC状态；
    按照所述接收天线端口的数量或最小数量进行下行接收时，当前下行信道的信道状态；和
    按照所述接收天线端口的数量或最小数量进行下行接收时，终端设备的业务情况。
  32. 根据权利要求26至31中任一项所述的设备，其特征在于，所述设备用于以下频段的通信中：
    n7，n38，n41，n77，n78或n79。
  33. 一种网络设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求1至9中任一项所述的方法。
  34. 一种终端设备，其特征在于，包括：处理器和存储器，该存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，执行如权利要求10至16中任一项所述的方法。
  35. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至9中任一项所述的方法。
  36. 一种芯片，其特征在于，包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求10至16中任一项所述的方法。
  37. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至9中任一项所述的方法。
  38. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求10至16中任一项所述的方法。
  39. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求1至9中任一项所述的方法。
  40. 一种计算机程序产品，其特征在于，包括计算机程序指令，该计算机程序指令使得计算机执行如权利要求10至16中任一项所述的方法。
  41. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求1至9中任一项所述的方法。
  42. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求10至16中任一项所述的方法。
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