Wireless communication method and device
By determining the time interval threshold and basic parameter set for the terminal in the 5G system, and sending information indicating whether the terminal is frequency hopping, the problem of mismatch between the frequency hopping technology and the transmission requirements of the 5G system is solved, and flexibility and efficiency are improved.
Patent Information
- Application Number
- CN201780092527.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2017-09-30
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2037-09-30
AI Technical Summary
In 5G systems, frequency hopping technology is difficult to adapt to its flexible transmission needs, and the existing technology cannot effectively solve the frequency hopping problem of terminals when physical uplink shared channels or detecting reference signals transmission.
The network device determines the time interval threshold and the basic parameter set of the terminal during signal transmission, and sends information indicating whether the terminal performs frequency hopping, so that the terminal can select frequency hopping or not according to the current communication scenario.
It realizes flexible adaptation of frequency hopping technology, meets the transmission needs of 5G systems, and improves communication flexibility and efficiency.
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Figure CN110800352B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of communications, and more specifically, to a wireless communication method and device. Background Art
[0002] In a Long Term Evolution (LTE) system, a network device configures a terminal to perform frequency hopping when performing physical uplink shared channel (PUSCH) transmission or sounding reference signal (SRS) transmission, and the terminal will perform frequency hopping when performing PUSCH or SRS transmission.
[0003] In the 5G system, communication transmission has higher flexibility.
[0004] How to make frequency hopping adapt to the flexible transmission of 5G system is an urgent problem to be solved. Summary of the invention
[0005] The embodiments of the present application provide a wireless communication method and device that can enable frequency hopping to adapt to the flexible transmission of a 5G system.
[0006] In a first aspect, a wireless communication method is provided, comprising:
[0007] The network device determines at least one of a time interval threshold for frequency hopping of the terminal when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and a configuration of a time slot or a mini-time slot;
[0008] The network device sends first information based on at least one of the determined time interval threshold, basic parameter set, and time slot or mini-time slot configuration, where the first information indicates whether the terminal should frequency hop or not when transmitting the first signal.
[0009] Therefore, in an embodiment of the present application, the network device sends first information instructing the terminal to frequency hop or not when transmitting the first signal based on a time interval threshold for frequency hopping when the terminal transmits the first signal, a basic parameter set used by the terminal when transmitting the first signal, and at least one of the configurations of a time slot or a micro-time slot. Frequency hopping or not can be selected according to the current communication scenario, so that the frequency hopping technology can adapt to the flexible transmission of the 5G system.
[0010] In combination with the first aspect, in a possible implementation manner of the first aspect, the network device sends the first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, including:
[0011] The first information is sent according to the subcarrier spacing and / or symbol length included in the basic parameter set.
[0012] In combination with the first aspect or any one of the foregoing possible implementations, in another possible implementation of the first aspect, sending the first information according to the subcarrier spacing and / or symbol length included in the basic parameter set includes:
[0013] When the subcarrier spacing is greater than or equal to a first threshold, and / or the symbol length is less than or equal to a second threshold, first information is sent, and the first information indicates no frequency hopping.
[0014] In combination with the first aspect or any one of the foregoing possible implementations, in another possible implementation of the first aspect, sending the first information according to the subcarrier spacing and / or symbol length included in the basic parameter set includes:
[0015] When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, first information is sent, where the first information indicates frequency hopping.
[0016] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the network device sends the first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, including:
[0017] When the length of the time slot or the mini-time slot is greater than or equal to the third threshold, first information is sent, and the first information indicates frequency hopping.
[0018] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the network device sends the first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, including:
[0019] When the length of the time slot or mini-time slot is less than the third threshold, first information is sent, and the first information indicates no frequency hopping.
[0020] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the network device sends the first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, including:
[0021] When the first time length is less than or equal to the time interval threshold, the first information is sent, and the first information indicates no frequency hopping, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node.
[0022] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the network device sends the first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, including:
[0023] When the first time length is greater than the time interval threshold, first information is sent, and the first information indicates frequency hopping, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node.
[0024] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the network device determines a time interval threshold for frequency hopping of the terminal when transmitting the first signal, including:
[0025] The network device selects a time interval threshold from a time interval threshold set.
[0026] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the network device selects a time interval threshold from a time interval threshold set, including:
[0027] A time interval threshold is selected from a time interval threshold set according to a basic parameter set used by the terminal when performing first signal transmission.
[0028] In combination with the first aspect or any of the foregoing possible implementations, in another possible implementation of the first aspect, the following further includes:
[0029] The network device receives second information sent by the terminal, where the second information is used to indicate a time interval threshold.
[0030] In combination with the first aspect or any one of the foregoing possible implementations, in another possible implementation of the first aspect, the first signal is a physical uplink shared channel PUSCH or a sounding reference signal SRS.
[0031] In a second aspect, a wireless communication method is provided, including:
[0032] The terminal receives first information sent by the network device, where the first information is used to instruct the terminal to perform frequency hopping when transmitting the first signal;
[0033] In response to the first information, the terminal determines whether to perform frequency hopping when performing first signal transmission.
[0034] Therefore, in an embodiment of the present application, after receiving the first information sent by the network device to instruct the terminal to frequency hop when transmitting the first signal, the terminal can determine whether to frequency hop when transmitting the first signal, without having to frequency hop. Frequency hopping can be selected or not according to the current communication scenario, so that the frequency hopping technology can adapt to the flexible transmission of the 5G system.
[0035] In combination with the second aspect, in a possible implementation manner of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal, including:
[0036] The terminal determines whether to perform frequency hopping when transmitting the first signal based on a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and one of the configurations of the time slot or mini-time slot.
[0037] In combination with the second aspect or any one of the above possible implementations, in another possible implementation of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal according to a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and a configuration of a time slot or a mini-time slot, including:
[0038] According to the subcarrier spacing and / or symbol length included in the basic parameter set, the terminal determines whether to perform frequency hopping when transmitting the first signal.
[0039] In combination with the second aspect or any one of the above possible implementations thereof, in another possible implementation of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal according to the subcarrier spacing and / or symbol length included in the basic parameter set, including:
[0040] When the subcarrier spacing is greater than or equal to the first threshold, and / or the symbol length is less than or equal to the second threshold, the terminal determines not to perform frequency hopping when performing the first signal transmission; or,
[0041] When the subcarrier spacing is smaller than the first threshold and / or the symbol length is larger than the second threshold, the terminal determines to perform frequency hopping when performing the first signal transmission.
[0042] In combination with the second aspect or any one of the above possible implementations, in another possible implementation of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal according to a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and a configuration of a time slot or a mini-time slot, including:
[0043] When the length of the time slot or the mini-time slot is greater than or equal to the third threshold, the terminal determines to perform frequency hopping when transmitting the first signal.
[0044] In combination with the second aspect or any one of the above possible implementations, in another possible implementation of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal according to a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and a configuration of a time slot or a mini-time slot, including:
[0045] When the length of the time slot or the mini-time slot is less than the third threshold, the terminal determines not to hop frequency when transmitting the first signal.
[0046] In combination with the second aspect or any one of the above possible implementations, in another possible implementation of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal according to a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and a configuration of a time slot or a mini-time slot, including:
[0047] When the first time length is less than or equal to the time interval threshold, the terminal determines not to hop frequency when performing the first signal transmission, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node.
[0048] In combination with the second aspect or any one of the above possible implementations, in another possible implementation of the second aspect, the terminal determines whether to perform frequency hopping when transmitting the first signal according to a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and a configuration of a time slot or a mini-time slot, including:
[0049] When the first time length is greater than the time interval threshold, the terminal determines to perform frequency hopping when performing the first signal transmission, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node.
[0050] In combination with the second aspect or any one of the above possible implementations of the second aspect, in another possible implementation of the second aspect, the terminal sends second information to the network device, where the second information is used to indicate a time interval threshold.
[0051] In combination with the second aspect or any one of the foregoing possible implementations of the second aspect, in another possible implementation of the second aspect, the first signal is a physical uplink shared channel PUSCH or a sounding reference signal SRS.
[0052] In a third aspect, a wireless communication method is provided, including:
[0053] The network device determines at least one of a time interval threshold for the terminal to switch the uplink transmission antenna, a basic parameter set used by the terminal when sending a signal using the uplink transmission antenna, and a time slot or a mini-time slot configuration;
[0054] The network device sends first information according to at least one of the determined time interval threshold, basic parameter set, and time slot or mini-time slot configuration to instruct the terminal to perform or not switch the uplink transmission antenna.
[0055] Therefore, in an embodiment of the present application, the network device sends first information instructing the terminal to perform or not switch the uplink transmitting antenna based on the time interval threshold for the terminal to switch the uplink transmitting antenna, the basic parameter set used by the terminal when sending signals using the uplink transmitting antenna, and at least one of the configurations of the time slot or micro-time slot. The network device can choose to switch the antenna or not according to the current communication scenario, so that the flexible transmission of the 5G system can be adapted in terms of antenna switching.
[0056] In combination with the third aspect, in a possible implementation manner of the third aspect, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, to instruct the terminal to perform or not switch the uplink transmit antenna, including:
[0057] The first information is sent according to the subcarrier spacing and / or symbol length included in the basic parameter set.
[0058] In combination with the third aspect or any one of the above possible implementations, in another possible implementation of the third aspect, sending the first information according to the subcarrier spacing and / or symbol length included in the basic parameter set includes:
[0059] When the subcarrier spacing is greater than or equal to the first threshold, and / or the symbol length is less than or equal to the second threshold, first information is sent, and the first information indicates that the uplink transmission antenna is not switched.
[0060] In combination with the third aspect or any one of the above possible implementations, in another possible implementation of the third aspect, sending the first information according to the subcarrier spacing and / or symbol length included in the basic parameter set includes:
[0061] When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, first information is sent, where the first information indicates switching of an uplink transmission antenna.
[0062] In combination with the third aspect or any one of the above possible implementations thereof, in another possible implementation of the third aspect, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, to instruct the terminal to perform or not switch the uplink transmit antenna, including:
[0063] When the length of the time slot or the mini-time slot is greater than or equal to the third threshold, the network device sends first information, where the first information indicates switching of the uplink transmission antenna.
[0064] In combination with the third aspect or any one of the above possible implementations thereof, in another possible implementation of the third aspect, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, to instruct the terminal to perform or not switch the uplink transmit antenna, including:
[0065] When the length of the time slot or the mini-time slot is less than the third threshold, the network device sends first information, and the first information indicates that the uplink transmission antenna is not to be switched.
[0066] In combination with the third aspect or any one of the above possible implementations thereof, in another possible implementation of the third aspect, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, to instruct the terminal to perform or not switch the uplink transmit antenna, including:
[0067] When the first time length is greater than or equal to the time interval threshold, the first information is sent, the first information indicating the switching of the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
[0068] In combination with the third aspect or any one of the above possible implementations thereof, in another possible implementation of the third aspect, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, to instruct the terminal to perform or not switch the uplink transmit antenna, including:
[0069] When the first time length is less than the time interval threshold, the first information is sent, the first information indicating that the uplink transmission antenna is not switched, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
[0070] In combination with the third aspect or any one of the foregoing possible implementations of the third aspect, in another possible implementation of the third aspect, the network device determines a time interval threshold for the terminal to switch an uplink transmission antenna, including:
[0071] The network device selects a time interval threshold from a time interval threshold set.
[0072] In combination with the third aspect or any one of the above possible implementations of the third aspect, in another possible implementation of the third aspect, the network device selects the time interval threshold from the time interval threshold set, including:
[0073] A time interval threshold is selected from a time interval threshold set according to a basic parameter set used when the terminal uses an uplink transmission antenna to send a signal.
[0074] In combination with the third aspect or any of the foregoing possible implementations thereof, in another possible implementation of the third aspect, the method further includes:
[0075] The network device receives second information sent by the terminal, where the second information is used to indicate a time interval threshold.
[0076] In a fourth aspect, a wireless communication method is provided, including:
[0077] The terminal receives first information sent by the network device, where the first information is used to instruct the terminal to switch an uplink transmission antenna;
[0078] In response to the first information, the terminal determines whether to switch the uplink transmission antenna.
[0079] Therefore, in an embodiment of the present application, after receiving the first information sent by the network device to instruct the terminal to switch the antenna, the terminal can determine whether to switch the uplink antenna and whether to hop the frequency when transmitting the uplink signal without having to switch the antenna. The antenna can be switched or not according to the current communication scenario, so that the flexible transmission of the 5G system can be adapted in terms of antenna switching.
[0080] In conjunction with the fourth aspect, in a possible implementation manner of the fourth aspect, the terminal determines whether to switch an uplink transmission antenna, including:
[0081] The terminal determines whether to switch the uplink transmission antenna according to at least one of the time interval threshold for switching the uplink transmission antenna, the basic parameter set used by the terminal when sending signals using the uplink transmission antenna, and the configuration of the time slot or mini-time slot.
[0082] In combination with the fourth aspect or any one of the above possible implementations, in another possible implementation of the fourth aspect, the terminal determines whether to switch the uplink transmit antenna according to at least one of a time interval threshold for switching the uplink transmit antenna, a basic parameter set used when the terminal uses the uplink transmit antenna to send a signal, and a time slot or a mini-time slot configuration, including:
[0083] Whether to switch the uplink transmission antenna is determined according to the subcarrier spacing and / or symbol length included in the basic parameter set.
[0084] In combination with the fourth aspect or any one of the above possible implementations, in another possible implementation of the fourth aspect, determining whether to switch the uplink transmit antenna according to the subcarrier spacing and / or symbol length included in the basic parameter set includes:
[0085] When the subcarrier spacing is greater than or equal to the first threshold, and / or the symbol length is less than or equal to the second threshold, determining not to switch the uplink transmission antenna; or,
[0086] When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, it is determined to switch the uplink transmission antenna.
[0087] In combination with the fourth aspect or any one of the above possible implementations, in another possible implementation of the fourth aspect, the terminal determines whether to switch the uplink transmit antenna according to at least one of a time interval threshold for switching the uplink transmit antenna, a basic parameter set used when the terminal uses the uplink transmit antenna to send a signal, and a time slot or a mini-time slot configuration, including:
[0088] When the length of the time slot or the mini-time slot is greater than or equal to the third threshold, the network device sends the first information, and the terminal determines to switch the uplink transmission antenna.
[0089] In combination with the fourth aspect or any one of the above possible implementations, in another possible implementation of the fourth aspect, the terminal determines whether to switch the uplink transmit antenna according to at least one of a time interval threshold for switching the uplink transmit antenna, a basic parameter set used when the terminal uses the uplink transmit antenna to send a signal, and a time slot or a mini-time slot configuration, including:
[0090] When the length of the time slot or the mini-time slot is less than the third threshold, the terminal determines not to switch the uplink transmission antenna.
[0091] In combination with the fourth aspect or any one of the above possible implementations, in another possible implementation of the fourth aspect, the terminal determines whether to switch the uplink transmit antenna according to at least one of a time interval threshold for switching the uplink transmit antenna, a basic parameter set used when the terminal uses the uplink transmit antenna to send a signal, and a time slot or a mini-time slot configuration, including:
[0092] When the first time length is greater than or equal to the time interval threshold, determine to switch the uplink transmission antenna; or
[0093] When the first time length is less than the time interval threshold, it is determined not to switch the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
[0094] In combination with the fourth aspect or any of the foregoing possible implementations thereof, in another possible implementation of the fourth aspect, the method further includes:
[0095] The terminal sends second information to the network device, where the second information is used to indicate a time interval threshold.
[0096] In a fifth aspect, a network device is provided, for executing the method in the first aspect or any possible implementation of the first aspect or the third aspect or any possible implementation of the third aspect. Specifically, the network device includes a functional module for executing the method in the first aspect or any possible implementation of the first aspect or the third aspect or any possible implementation of the third aspect.
[0097] In a sixth aspect, a terminal is provided for executing the method in the second aspect or any possible implementation of the second aspect or the fourth aspect or any possible implementation of the fourth aspect. Specifically, the terminal device includes a functional module for the method in the second aspect or any possible implementation of the second aspect or the fourth aspect or any possible implementation of the fourth aspect.
[0098] In a seventh aspect, a network device is provided, comprising a processor, a memory, and a transceiver. The processor, the memory, and the transceiver communicate with each other through an internal connection path, and transmit control and / or data signals, so that the network device executes the method in the first aspect or any possible implementation of the first aspect or the third aspect or any possible implementation of the third aspect.
[0099] In an eighth aspect, a terminal is provided, comprising a processor, a memory, and a transceiver. The processor, the memory, and the transceiver communicate with each other through an internal connection path, and transmit control and / or data signals, so that the terminal device executes the method in the second aspect or any possible implementation of the second aspect or the fourth aspect or any possible implementation of the fourth aspect.
[0100] In a ninth aspect, a computer-readable medium is provided for storing a computer program, wherein the computer program includes instructions for executing any one of the above methods or any possible implementations.
[0101] In a tenth aspect, a computer program product comprising instructions is provided, which, when executed on a computer, enables the computer to execute any one of the above methods or any possible implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS
[0102] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0103] Figure 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
[0104] Figure 2 It is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
[0105] Figure 3 It is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
[0106] Figure 4 It is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
[0107] Figure 5 It is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
[0108] Figure 6 It is a schematic block diagram of a network device according to an embodiment of the present application.
[0109] Figure 7 It is a schematic block diagram of a terminal according to an embodiment of the present application.
[0110] Figure 8 is a schematic block diagram of a system chip according to an embodiment of the present application.
[0111] Fig. 9It is a schematic block diagram of a communication device according to an embodiment of the present application. DETAILED DESCRIPTION
[0112] The following will describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0113] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example: Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD) system, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system or future 5G system.
[0114] Figure 1A wireless communication system 100 applied in an embodiment of the present application is shown. The wireless communication system 100 may include a network device 110. The network device 100 may be a device that communicates with a terminal device. The network device 100 may provide communication coverage for a specific geographical area, and may communicate with a terminal device (e.g., UE) located in the coverage area. Optionally, the network device 100 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 (EvolutionalNode B, eNB or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, a network-side device in a future 5G network, or a network device in a future evolved public land mobile network (Public Land Mobile Network, PLMN), etc.
[0115] The wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110. The terminal device 120 may be mobile or fixed. Optionally, the terminal device 120 may refer to an access terminal, a user equipment (UE), a user unit, a user station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent or a user device. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network, or a terminal device in a future evolved PLMN, etc.
[0116] Optionally, terminal devices 120 may perform device-to-device (D2D) communication with each other.
[0117] Optionally, the 5G system or network may also be referred to as a New Radio (NR) system or network.
[0118] Figure 1One network device and two terminal devices are shown exemplarily. Optionally, the wireless communication system 100 may include multiple network devices and each network device may include another number of terminal devices within its coverage area, which is not limited in the embodiments of the present application.
[0119] Optionally, the wireless communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.
[0120] It should be understood that the terms "system" and "network" are often used interchangeably in this article. The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.
[0121] Figure 2 is a schematic flow chart of a wireless communication method 200 according to an embodiment of the present application. The method 200 may optionally be applied to Figure 1 The system shown is not limited thereto. The method 200 includes at least part of the following contents.
[0122] In 210, the network device determines a time interval threshold for frequency hopping of the terminal when transmitting a first signal, a basic parameter set used by the terminal when transmitting the first signal, and at least one of a time slot or a mini-time slot configuration.
[0123] Optionally, the first signal is PUSCH or SRS. Of course, it can also be other signals, which is not particularly limited in the embodiment of the present application.
[0124] Optionally, the time interval threshold for frequency hopping of the terminal during the first signal transmission may be a specific value, and the terminal performs frequency hopping when the signal transmission time under certain conditions is greater than the value, and does not perform frequency hopping when the time is less than or equal to the value.
[0125] Optionally, the basic parameter set used by the terminal when performing the first signal transmission may include at least one of a subcarrier spacing, a symbol length, and a cyclic prefix (CP).
[0126] Optionally, the CP of the basic parameter set mentioned in the embodiment of the present application may be a normal CP.
[0127] Optionally, the configuration of the time slot or mini-time slot mentioned in the embodiment of the present application refers to the configuration of the time slot or mini-time slot when the first signal is transmitted.
[0128] Optionally, the configuration of the time slot or mini-time slot mentioned in the embodiment of the present application may refer to the length of the time slot or mini-time slot. If the number of symbols included in the time slot or mini-time slot is fixed, the configuration may also be reflected by the length of the symbol.
[0129] In 220, the network device sends first information based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot, where the first information indicates whether the terminal should frequency hop or not when transmitting the first signal.
[0130] Optionally, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or the mini-time slot, where the first information indicates whether the terminal performs frequency hopping or not when transmitting the first signal, and may have the following implementation:
[0131] 1) When it is determined based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot that the terminal needs to frequency hop when transmitting the first signal, first information can be sent to indicate frequency hopping; and when it is determined based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot that the terminal does not need to frequency hop when transmitting the first signal, first information can be sent to indicate not to frequency hop.
[0132] 2) When it is determined, based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-slot, that the terminal needs to frequency hop when transmitting the first signal, first information may be sent to indicate frequency hopping; and when it is determined, based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-slot, that the terminal does not need to frequency hop when transmitting the first signal, no information is sent.
[0133] 3) When it is determined, based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot, that the terminal needs to frequency hop when performing the first signal transmission, no information is sent; and when it is determined, based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot, that the terminal does not need to frequency hop when performing the first signal transmission, the first information may be sent to indicate not to frequency hop.
[0134] In order to more clearly understand the present application, several methods of sending the first information according to at least one of the time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot will be described below.
[0135] Optionally, the network device sends the first information according to the subcarrier spacing and / or symbol length included in the basic parameter set.
[0136] Optionally, when the subcarrier spacing is greater than or equal to a first threshold value, and / or the symbol length is less than or equal to a second threshold value, the first information is sent, and the first information indicates no frequency hopping. If the subcarrier spacing is less than the first threshold value, and / or the symbol length is greater than the second threshold value, no information may be sent, or the first information may be sent, and the first information indicates frequency hopping.
[0137] Optionally, when the subcarrier spacing is less than a first threshold value, and / or the symbol length is greater than a second threshold value, the first information is sent, and the first information indicates frequency hopping. If the subcarrier spacing is greater than or equal to the first threshold value, and / or the symbol length is less than or equal to the second threshold value, no information may be sent, or the first information may be sent, and the first information indicates no frequency hopping.
[0138] Optionally, when the length of the time slot or mini-time slot is greater than or equal to a third threshold, the first information indicating frequency hopping is sent. If the length of the time slot or mini-time slot is less than the third threshold, no information may be sent, or the first information may be sent indicating no frequency hopping.
[0139] Optionally, when the length of the time slot or mini-time slot is less than a third threshold, the first information is sent, and the first information indicates no frequency hopping. If the length of the time slot or mini-time slot is greater than or equal to the third threshold, no information may be sent, or the first information may be sent to indicate frequency hopping.
[0140] Optionally, when the first time length is less than or equal to the time interval threshold, the first information is sent, and the first information indicates no frequency hopping, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node. If the first time length is greater than the time interval threshold, no information may be sent, or the first information may be sent to indicate frequency hopping.
[0141] Optionally, the frequency hopping time node mentioned in the embodiment of the present application may be a preset time node, or a time node configured by the network device to the terminal, that is, frequency hopping may be performed at the time node when certain conditions are met.
[0142] Optionally, the signal transmission time length before the frequency hopping time node can be the length from the frequency hopping time node to a fixed time point, or the time length from the frequency hopping time node to the starting point of the signal transmission, or the time length of the fixed frequency point used before the frequency hopping time node.
[0143] Optionally, the signal transmission time length after the frequency hopping time node can be the length from the frequency hopping time node to a fixed time point, or the time length from the frequency hopping time node to the end point of the signal transmission, or the time length of the fixed frequency point used after the frequency hopping time node continuously continuing.
[0144] Optionally, when the first time length is greater than the time interval threshold, the first information is sent, and the first information indicates frequency hopping, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node. If the first time length is less than or equal to the time interval threshold, no information may be sent, or the first information may be sent to indicate no frequency hopping.
[0145] Optionally, the network device selects the time interval threshold from a time interval threshold set.
[0146] Optionally, the time interval threshold is selected from the time interval threshold set according to a basic parameter set used by the terminal when transmitting the first signal.
[0147] Specifically, the network device may select the time interval threshold from the time interval thresholds according to the subcarrier spacing and / or symbol length used by the terminal when transmitting the first signal.
[0148] Optionally, each subcarrier spacing and / or symbol length may correspond to a respective time interval threshold, and the time interval threshold may be negatively correlated with the subcarrier spacing and positively correlated with the symbol length.
[0149] Optionally, the network device receives second information sent by the terminal, where the second information is used to indicate the time interval threshold.
[0150] Specifically, the terminal may indicate to the network device a time interval threshold that the terminal can support, and the time interval threshold may be related to the capability of the terminal or to a basic parameter set.
[0151] Therefore, in an embodiment of the present application, the network device sends first information instructing the terminal to frequency hop or not when transmitting the first signal based on a time interval threshold for frequency hopping when the terminal transmits the first signal, a basic parameter set used by the terminal when transmitting the first signal, and at least one of the configurations of a time slot or a micro-time slot. Frequency hopping or not can be selected according to the current communication scenario, so that the frequency hopping technology can adapt to the flexible transmission of the 5G system.
[0152] Figure 3 3 is a schematic flow chart of a wireless communication method 300 according to an embodiment of the present application. The method 300 includes at least part of the following contents.
[0153] In 310, a terminal receives first information sent by a network device, where the first information is used to instruct the terminal to perform frequency hopping when transmitting a first signal.
[0154] In 320, in response to the first information, the terminal determines whether to perform frequency hopping when performing the first signal transmission.
[0155] Optionally, the terminal determines whether to perform frequency hopping when transmitting the first signal based on a time interval threshold for frequency hopping when transmitting the first signal, a basic parameter set used by the terminal when transmitting the first signal, and one of a time slot or micro-time slot configuration.
[0156] Optionally, based on the subcarrier spacing and / or symbol length included in the basic parameter set, the terminal determines whether to perform frequency hopping when transmitting the first signal.
[0157] In one implementation, when the subcarrier spacing is greater than or equal to a first threshold, and / or the symbol length is less than or equal to a second threshold, the terminal determines not to perform frequency hopping when transmitting the first signal.
[0158] In one implementation, when the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, the terminal determines to perform frequency hopping when transmitting the first signal.
[0159] Optionally, when the length of the time slot or mini-time slot is greater than or equal to a third threshold, the terminal determines to perform frequency hopping when transmitting the first signal.
[0160] Optionally, when the length of the time slot or mini-time slot is less than a third threshold, the terminal determines not to perform frequency hopping when transmitting the first signal.
[0161] Optionally, when the first time length is less than or equal to the time interval threshold, the terminal determines not to frequency hop when performing the first signal transmission, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node.
[0162] Optionally, when the first time length is greater than the time interval threshold, the terminal determines to perform frequency hopping when performing the first signal transmission, wherein the first time length is the signal transmission time length before the frequency hopping time node, or the signal transmission time length after the frequency hopping time node, or the sum of the signal transmission time lengths before and after the frequency hopping time node.
[0163] Optionally, the terminal sends second information to the network device, where the second information is used to indicate the time interval threshold.
[0164] Specifically, the terminal may indicate to the network device a time interval threshold that it may adopt, and the time interval threshold may be related to the capability of the terminal or to a basic parameter set.
[0165] It should be understood that some descriptions in method 200 may be applicable to method 300, for example, explanations of terms, how to determine whether a terminal needs frequency hopping, etc., which will not be repeated here for the sake of brevity.
[0166] Therefore, in an embodiment of the present application, after receiving the first information sent by the network device to instruct the terminal to frequency hop when transmitting the first signal, the terminal can determine whether to frequency hop when transmitting the first signal, without having to frequency hop. Frequency hopping can be selected or not according to the current communication scenario, so that the frequency hopping technology can adapt to the flexible transmission of the 5G system.
[0167] It should be understood that method 300 describes the determination of whether to perform frequency hopping after the terminal receives information for instructing the terminal to perform frequency hopping. In an embodiment of the present application, the terminal device may also determine whether to perform frequency hopping after receiving information for instructing the terminal not to perform frequency hopping. The specific determination method can refer to the description of method 300, which will not be repeated here for the sake of brevity.
[0168] In a communication system, network equipment can send multiple downlink channels to a terminal at the same time, and the terminal can receive them simultaneously through multiple receiving antennas. However, if the number of transmitting power amplifiers of the terminal is less than the number of receiving antennas, the terminal cannot send the same number of uplink channels as downlink channels at the same time. In this case, if uplink and downlink reciprocity is required, the transmitting antenna needs to be switched. Figure 4 and Figure 5 The methods 400 and 500 shown respectively introduce how to switch the transmitting antenna of the terminal on the network side and the terminal side, but it should be understood that the methods 400 and 500 of the embodiments of the present application are not limited to the above-mentioned scenarios.
[0169] Figure 4 It is a schematic flow chart of a wireless communication method 400 according to an embodiment of the present application. The method 400 includes at least part of the following contents.
[0170] In 410, the network device determines a time interval threshold for the terminal to switch the uplink transmission antenna, and at least one of a basic parameter set used by the terminal when transmitting a signal using the uplink transmission antenna, and a configuration of a time slot or a mini-time slot.
[0171] In 420, the network device sends first information according to at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot to instruct the terminal to perform or not perform the switching of the uplink transmission antenna.
[0172] Optionally, the network device sends first information according to at least one of a determined time interval threshold for the terminal to switch the uplink transmit antenna, a basic parameter set used by the terminal when sending a signal using the uplink transmit antenna, and a time slot or mini-time slot configuration, where the first information instructs the terminal to perform or not perform the switching of the uplink transmit antenna, and may have the following implementation:
[0173] 1) When it is determined that the terminal needs to switch the uplink transmitting antenna based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot, a first information can be sent to indicate the switching; and when it is determined that the terminal does not need to switch the uplink transmitting antenna based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot, a first information can be sent to indicate not to switch.
[0174] 2) When it is determined that the terminal needs to switch the uplink transmitting antenna based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or micro-time slot, a first information may be sent to indicate the switching; and when it is determined that the terminal does not need to switch the uplink transmitting antenna based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or micro-time slot, no information is sent.
[0175] 3) When it is determined based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or micro-time slot that the terminal needs to switch the uplink transmitting antenna, no information is sent; and when it is determined based on at least one of the determined time interval threshold, the basic parameter set, and the configuration of the time slot or micro-time slot that the terminal does not need to switch the uplink transmitting antenna, first information may be sent to indicate no switching.
[0176] In order to more clearly understand the present application, several methods of sending the first information according to at least one of the time interval threshold, the basic parameter set, and the configuration of the time slot or mini-time slot will be described below.
[0177] Optionally, the first information is sent according to the subcarrier spacing and / or symbol length included in the basic parameter set.
[0178] Optionally, when the subcarrier spacing is greater than or equal to a first threshold value, and / or the symbol length is less than or equal to a second threshold value, the first information is sent, and the first information indicates that the uplink transmission antenna is not switched. If the subcarrier spacing is less than the first threshold value, and / or the symbol length is greater than the second threshold value, no information may be sent, or the first information may be sent, and the first information indicates that switching is to be performed.
[0179] Optionally, when the subcarrier spacing is less than a first threshold value, and / or the symbol length is greater than a second threshold value, the first information is sent, and the first information indicates switching of the uplink transmission antenna. If the subcarrier spacing is greater than or equal to the first threshold value, and / or the symbol length is less than or equal to the second threshold value, no information may be sent, or the first information may be sent, and the first information indicates not to switch.
[0180] Optionally, when the length of the time slot or mini-time slot is greater than or equal to a third threshold, the network device sends the first information, and the first information indicates switching of the uplink transmission antenna. If the length of the time slot or mini-time slot is less than the third threshold, no information may be sent, or the first information may be sent to indicate no switching.
[0181] Optionally, when the length of the time slot or mini-time slot is less than a third threshold, the network device sends the first information indicating that the uplink transmission antenna is not switched. If the length of the time slot or mini-time slot is greater than or equal to the third threshold, no information may be sent, or the first information may be sent to indicate switching.
[0182] Optionally, when the first time length is greater than or equal to the time interval threshold, the first information is sent, the first information indicates switching of the uplink transmission antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node. If the first time length is less than the time interval threshold, no information may be sent, or the first information may be sent to indicate switching.
[0183] Optionally, when the first time length is less than the time interval threshold, the first information is sent, the first information indicates that the uplink transmission antenna is not switched, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node. If the first time length is greater than or equal to the time interval threshold, no information may be sent, or the first information may be sent to indicate switching.
[0184] Optionally, the time length before the switching time node can be the length from the switching time node to a fixed time point, or the time length from the switching time node to the starting point of the current signal transmission, or the time length of the fixed transmitting antenna used before the switching time node.
[0185] Optionally, the time length after the switching time node can be the length from the switching time node to a fixed time point, or the time length from the switching time node to the end point of the current signal transmission, or the time length of the fixed transmitting antenna used after the switching time node.
[0186] Optionally, the network device selects the time interval threshold from a time interval threshold set.
[0187] Optionally, the terminal adopts a basic parameter set adopted when the uplink transmitting antenna transmits a signal, and selects the time interval threshold from the time interval threshold set.
[0188] Specifically, the network device may select the time interval threshold from the time interval thresholds according to the subcarrier spacing and / or symbol length adopted by the terminal for uplink signal transmission.
[0189] Optionally, each subcarrier spacing and / or symbol length may correspond to a respective time interval threshold, and the time interval threshold may be negatively correlated with the subcarrier spacing and positively correlated with the symbol length.
[0190] Optionally, each subcarrier spacing and / or symbol length may correspond to a respective time interval threshold, and the time interval threshold may be negatively correlated with the subcarrier spacing and positively correlated with the symbol length.
[0191] Optionally, the network device receives second information sent by the terminal, where the second information is used to indicate the time interval threshold.
[0192] Specifically, the terminal may indicate to the network device a time interval threshold that the terminal can support, and the time interval threshold may be related to the capability of the terminal or to a basic parameter set.
[0193] Therefore, in an embodiment of the present application, the network device sends first information instructing the terminal to perform or not switch the uplink transmitting antenna based on the time interval threshold for the terminal to switch the uplink transmitting antenna, the basic parameter set used by the terminal when sending signals using the uplink transmitting antenna, and at least one of the configurations of the time slot or micro-time slot. The network device can choose to switch the antenna or not according to the current communication scenario, so that the flexible transmission of the 5G system can be adapted in terms of antenna switching.
[0194] Figure 5 is a schematic flow chart of a wireless communication method 500 according to an embodiment of the present application. The method 500 includes at least part of the following contents.
[0195] In 510, the terminal receives first information sent by a network device, where the first information is used to instruct the terminal to switch an uplink transmission antenna.
[0196] In 520, in response to the first information, the terminal determines whether to switch the uplink transmission antenna.
[0197] Optionally, the terminal determines whether to switch the uplink transmitting antenna based on at least one of a time interval threshold for switching the uplink transmitting antenna, a basic parameter set used by the terminal when sending signals using the uplink transmitting antenna, and a time slot or mini-time slot configuration.
[0198] Optionally, whether to switch the uplink transmitting antenna is determined according to the subcarrier spacing and / or symbol length included in the basic parameter set.
[0199] In one embodiment, when the subcarrier spacing is greater than or equal to a first threshold value, and / or the symbol length is less than or equal to a second threshold value, it is determined not to switch the uplink transmission antenna; or,
[0200] In one implementation, when the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, it is determined to switch the uplink transmission antenna.
[0201] Optionally, when the length of the time slot or mini-time slot is greater than or equal to a third threshold, the network device sends the first information, and the terminal determines to switch the uplink transmitting antenna.
[0202] Optionally, when the length of the time slot or mini-time slot is less than a third threshold, the network device sends the first information, and the terminal determines not to switch the uplink transmitting antenna.
[0203] Optionally, when the first time length is greater than or equal to the time interval threshold, it is determined to switch the uplink transmitting antenna; or when the first time length is less than the time interval threshold, it is determined not to switch the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
[0204] Optionally, the terminal sends second information to the network device, where the second information is used to indicate the time interval threshold.
[0205] It should be understood that some descriptions in method 400 may be applicable to method 500, for example, explanations of terms, how to determine whether a terminal requires antenna switching, etc., which will not be repeated here for the sake of brevity.
[0206] Therefore, in an embodiment of the present application, after receiving the first information sent by the network device to instruct the terminal to switch the antenna, the terminal can determine whether to switch the uplink antenna and whether to hop the frequency when transmitting the uplink signal without having to switch the antenna. The antenna can be switched or not according to the current communication scenario, so that the flexible transmission of the 5G system can be adapted in terms of antenna switching.
[0207] It should be understood that method 500 describes the determination of whether to switch the antenna after the terminal receives information for instructing the terminal to switch the uplink transmitting antenna. In an embodiment of the present application, the terminal device may also determine whether to switch the antenna after receiving information for instructing the terminal not to switch the uplink transmitting antenna. The specific determination method may refer to the description of method 500, which will not be repeated here for the sake of brevity.
[0208] It should also be understood that the method 400 or 500 of the embodiment of the present application can also be modified for the scenario of downlink antenna switching, that is, the uplink signal in the method 400 and 500 can be replaced by a downlink signal, and the uplink antenna can be replaced by a downlink antenna.
[0209] Figure 6 600 is a schematic block diagram of a network device according to an embodiment of the present application. Figure 6 As shown, the network device 600 includes a processing unit 610 and a communication unit 620 .
[0210] Optionally, the processing unit 610 is used to: determine a time interval threshold for frequency hopping of the terminal when transmitting a first signal, a basic parameter set adopted by the terminal when transmitting the first signal, and at least one of a time slot or a mini-time slot configuration; the communication unit 620 is used to: send first information according to at least one of the time interval threshold, the basic parameter set, and the time slot or mini-time slot configuration determined by the processing unit 610, wherein the first information indicates whether the terminal should frequency hop or not when transmitting the first signal.
[0211] It should be understood that the network device 600 may correspond to the network device in the method 200 and may implement the corresponding operations implemented by the network device in the method 200. For the sake of brevity, details will not be given here.
[0212] Optionally, the processing unit 610 is used to: determine a time interval threshold for the terminal to switch the uplink transmitting antenna, a basic parameter set used by the terminal when sending signals using the uplink transmitting antenna, and at least one of the time slot or micro-time slot configurations; the communication unit 620 is used to: send first information based on at least one of the time interval threshold, the basic parameter set, and the time slot or micro-time slot configuration determined by the processing unit 610, to instruct the terminal to perform or not switch the uplink transmitting antenna.
[0213] It should be understood that the network device 600 may correspond to the network device in the method 400 and may implement the corresponding operations implemented by the network device in the method 400. For the sake of brevity, details will not be given here.
[0214] Figure 7 is a schematic block diagram of a terminal 700 according to an embodiment of the present application. Figure 7As shown, the terminal 700 includes a communication unit 710 and a processing unit 720 .
[0215] Optionally, the communication unit 710 is used to: receive first information sent by a network device, where the first information is used to instruct the terminal to perform frequency hopping when transmitting a first signal;
[0216] The processing unit 720 is used to: determine whether to perform frequency hopping when transmitting the first signal in response to the first information.
[0217] It should be understood that the terminal 700 may correspond to the terminal in the method 300 and may implement the corresponding operations implemented by the terminal in the method 300, which will not be described in detail for the sake of brevity.
[0218] Optionally, the communication unit 710 is used to: receive first information sent by a network device, where the first information is used to instruct the terminal to switch the uplink transmitting antenna; and the processing unit 720 is used to: determine whether to switch the uplink transmitting antenna in response to the first information.
[0219] It should be understood that the terminal 700 may correspond to the terminal in the method 500 and may implement the corresponding operations implemented by the terminal in the method 500, which will not be described in detail for the sake of brevity.
[0220] Figure 8 It is a schematic structural diagram of the system chip 800 according to an embodiment of the present application. Figure 8 The system chip 800 includes an input interface 801 , an output interface 802 , a processor 803 and a memory 804 , which can be connected via an internal communication connection line. The processor 803 is used to execute the code in the memory 804 .
[0221] Optionally, when the code is executed, the processor 803 implements the method executed by the network device in the method embodiment. For the sake of brevity, it will not be described in detail here.
[0222] Optionally, when the code is executed, the processor 803 implements the method executed by the terminal in the method embodiment. For the sake of brevity, it will not be described in detail here.
[0223] Fig. 9 is a schematic block diagram of a communication device 900 according to an embodiment of the present application. Fig. 9 As shown, the communication device 900 includes a processor 910 and a memory 920. The memory 920 may store program codes, and the processor 910 may execute the program codes stored in the memory 920.
[0224] Alternatively, if Fig. 9As shown, the communication device 900 may include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate externally.
[0225] Optionally, the processor 910 may call program codes stored in the memory 920 to execute corresponding operations of the network device in the method embodiment, which will not be described in detail here for the sake of brevity.
[0226] Optionally, the processor 910 may call program codes stored in the memory 920 to execute corresponding operations of the terminal in the method embodiment, which will not be described in detail here for the sake of brevity.
[0227] It should be understood that the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method embodiment can be completed by the hardware integrated logic circuit or software instructions in the processor. The above processor can be a general processor, a digital signal processor (Digital Signal Processor, DSP), an application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general processor can be a microprocessor or the processor can also be any conventional processor. The steps of the method disclosed in the embodiment of the present application can be directly embodied as a hardware decoding processor to perform, or the hardware and software modules in the decoding processor are combined and performed. The software module can be located in 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 other mature storage media in the art. 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.
[0228] It can be understood that the memory in the embodiments of the present application can be a volatile memory or a non-volatile memory, or can include both volatile and non-volatile memories. Among them, the non-volatile memory can be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory can be a random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct RAM bus random access memory (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.
[0229] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.
[0230] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.
[0231] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
[0232] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0233] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
[0234] If 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. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
[0235] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A wireless communication method, characterized in that: include: The network device determines at least one of the following: a time interval threshold for the terminal to switch the uplink transmission antenna, a basic parameter set used by the terminal when transmitting a signal using the uplink transmission antenna, and a configuration of a time slot or a mini-time slot; The network device sends first information according to at least one of the determined time interval threshold, the subcarrier spacing and / or symbol length included in the basic parameter set, and the configuration of the time slot or mini-time slot, to instruct the terminal to perform or not perform the switching of the uplink transmission antenna; The sending the first information according to the subcarrier spacing and / or symbol length included in the basic parameter set includes: When the subcarrier spacing is greater than or equal to a first threshold, and / or the symbol length is less than or equal to a second threshold, sending the first information, wherein the first information indicates that the uplink transmission antenna is not to be switched; or, When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, the first information is sent, and the first information indicates switching of the uplink transmission antenna.
2. The method according to claim 1, characterized in that: The network device sends first information according to at least one of the determined time interval threshold, the subcarrier spacing and / or the symbol length included in the basic parameter set, and the configuration of the time slot or the mini-time slot to instruct the terminal to perform or not perform the switching of the uplink transmission antenna, including: When the length of the time slot or mini-time slot is greater than or equal to a third threshold, the network device sends the first information, where the first information indicates switching of the uplink transmission antenna.
3. The method according to claim 1, characterized in that The network device sends first information according to at least one of the determined time interval threshold, the subcarrier spacing and / or the symbol length included in the basic parameter set, and the configuration of the time slot or the mini-time slot to instruct the terminal to perform or not perform the switching of the uplink transmission antenna, including: When the length of the time slot or mini-time slot is less than a third threshold, the network device sends the first information, where the first information indicates not to switch the uplink transmission antenna.
4. The method according to claim 1, characterized in that: The network device sends first information according to at least one of the determined time interval threshold, the subcarrier spacing and / or the symbol length included in the basic parameter set, and the configuration of the time slot or the mini-time slot to instruct the terminal to perform or not perform the switching of the uplink transmission antenna, including: When the first time length is greater than or equal to the time interval threshold, the first information is sent, the first information indicating switching of the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
5. The method according to claim 1, characterized in that The network device sends first information according to at least one of the determined time interval threshold, the subcarrier spacing and / or the symbol length included in the basic parameter set, and the configuration of the time slot or the mini-time slot to instruct the terminal to perform or not perform the switching of the uplink transmission antenna, including: When the first time length is less than the time interval threshold, the first information is sent, the first information indicating that the uplink transmitting antenna is not switched, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
6. The method according to claim 1, 4 or 5, characterized in that: The network device determines a time interval threshold for a terminal to switch an uplink transmission antenna, including: The network device selects the time interval threshold from a time interval threshold set.
7. The method according to claim 6, characterized in that The network device selects the time interval threshold from a time interval threshold set, including: The time interval threshold is selected from the time interval threshold set according to a basic parameter set used when the terminal uses an uplink transmission antenna to send a signal.
8. The method according to claim 1, 4 or 5, characterized in that: Also includes: The network device receives second information sent by the terminal, where the second information is used to indicate the time interval threshold.
9. A wireless communication method, characterized in that: include: The terminal receives first information sent by a network device, where the first information is used to instruct the terminal to switch an uplink transmission antenna; In response to the first information, the terminal determines whether to switch the uplink transmit antenna according to at least one of a time interval threshold for switching the uplink transmit antenna, a subcarrier spacing and / or a symbol length included in a basic parameter set used by the terminal when sending a signal using the uplink transmit antenna, and a configuration of a time slot or a mini-time slot; The determining whether to switch the uplink transmission antenna according to the subcarrier spacing and / or symbol length included in the basic parameter set includes: When the subcarrier spacing is greater than or equal to a first threshold, and / or the symbol length is less than or equal to a second threshold, determining not to switch the uplink transmission antenna; or, When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, it is determined to switch the uplink transmitting antenna.
10. The method according to claim 9, characterized in that The terminal determines whether to switch the uplink transmission antenna according to at least one of a time interval threshold for switching the uplink transmission antenna, a subcarrier spacing and / or a symbol length included in a basic parameter set used by the terminal when sending a signal using the uplink transmission antenna, and a time slot or a mini-time slot configuration, including: When the length of the time slot or mini-time slot is greater than or equal to a third threshold, the network device sends the first information, and the terminal determines to switch the uplink transmission antenna.
11. The method according to claim 9, characterized in that The terminal determines whether to switch the uplink transmission antenna according to at least one of a time interval threshold for switching the uplink transmission antenna, a subcarrier spacing and / or a symbol length included in a basic parameter set used by the terminal when sending a signal using the uplink transmission antenna, and a time slot or a mini-time slot configuration, including: When the length of the time slot or mini-time slot is less than a third threshold, the terminal determines not to switch the uplink transmitting antenna.
12. The method according to claim 9, characterized in that The terminal determines whether to switch the uplink transmission antenna according to at least one of a time interval threshold for switching the uplink transmission antenna, a subcarrier spacing and / or a symbol length included in a basic parameter set used by the terminal when sending a signal using the uplink transmission antenna, and a time slot or a mini-time slot configuration, including: When the first time length is greater than or equal to the time interval threshold, determine to switch the uplink transmitting antenna; or When the first time length is less than the time interval threshold, it is determined not to switch the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
13. The method according to claim 9 or 12, characterized in that: Also includes: The terminal sends second information to the network device, where the second information is used to indicate the time interval threshold.
14. A network device, characterized in that: It includes a processing unit and a communication unit; wherein, The processing unit is used to determine at least one of the following: a time interval threshold for the terminal to switch the uplink transmission antenna, a basic parameter set used by the terminal when sending a signal using the uplink transmission antenna, and a configuration of a time slot or a mini-time slot; The communication unit is used to send first information according to at least one of the time interval threshold determined by the processing unit, the subcarrier spacing and / or symbol length included in the basic parameter set, and the configuration of the time slot or mini-time slot, to instruct the terminal to perform or not perform the switching of the uplink transmission antenna; Wherein, the communication unit is specifically used for: When the subcarrier spacing is greater than or equal to a first threshold, and / or the symbol length is less than or equal to a second threshold, sending the first information, wherein the first information indicates that the uplink transmission antenna is not to be switched; or, When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, the first information is sent, and the first information indicates switching of the uplink transmission antenna.
15. The device according to claim 14, characterized in that The communication unit is specifically used for: When the length of the time slot or mini-time slot is greater than or equal to a third threshold, the first information is sent, and the first information indicates switching of the uplink transmission antenna.
16. The device according to claim 14, characterized in that The communication unit is specifically used for: When the length of the time slot or mini-time slot is less than a third threshold, the first information is sent, and the first information indicates that the uplink transmission antenna is not switched.
17. The device according to claim 14, characterized in that The communication unit is specifically used for: When the first time length is greater than or equal to the time interval threshold, the first information is sent, the first information indicating switching of the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
18. The device according to claim 14, characterized in that The communication unit is specifically used for: When the first time length is less than the time interval threshold, the first information is sent, the first information indicating that the uplink transmitting antenna is not switched, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
19. The device according to claim 14, 17 or 18, characterized in that The processing unit is specifically used for: The time interval threshold is selected from a set of time interval thresholds.
20. The device according to claim 19, characterized in that The processing unit is specifically used for: The time interval threshold is selected from the time interval threshold set according to a basic parameter set used when the terminal uses an uplink transmission antenna to send a signal.
21. The device according to claim 14, 17 or 18, characterized in that The communication unit is further used to: receive second information sent by the terminal, where the second information is used to indicate the time interval threshold.
22. A terminal, characterized in that: It includes a communication unit and a processing unit; wherein, The communication unit is used to: receive first information sent by a network device, where the first information is used to instruct the terminal to switch an uplink transmission antenna; The processing unit is used to: determine whether to switch the uplink transmission antenna in response to the first information, according to at least one of a time interval threshold for switching the uplink transmission antenna, a subcarrier spacing and / or a symbol length included in a basic parameter set used by the terminal when sending a signal using the uplink transmission antenna, and a configuration of a time slot or a mini-time slot; Wherein, the processing unit is specifically used for: When the subcarrier spacing is greater than or equal to a first threshold, and / or the symbol length is less than or equal to a second threshold, determining not to switch the uplink transmission antenna; or, When the subcarrier spacing is smaller than a first threshold and / or the symbol length is larger than a second threshold, it is determined to switch the uplink transmitting antenna.
23. The terminal according to claim 22, characterized in that: The processing unit is specifically used for: When the length of the time slot or the mini-time slot is greater than or equal to a third threshold, it is determined to switch the uplink transmitting antenna.
24. The terminal according to claim 22, characterized in that: The processing unit is specifically used for: When the length of the time slot or mini-time slot is less than a third threshold, the network device sends the first information to determine not to switch the uplink transmission antenna.
25. The terminal according to claim 22, characterized in that The processing unit is specifically used for: When the first time length is greater than or equal to the time interval threshold, determine to switch the uplink transmitting antenna; or When the first time length is less than the time interval threshold, it is determined not to switch the uplink transmitting antenna, and the first time length is equal to the time length before the switching time node, the time length after the switching time node, or the time length before and after the switching time node.
26. The terminal according to claim 22 or 25, characterized in that: The communication unit is further configured to: Second information is sent to the network device, where the second information is used to indicate the time interval threshold.
