WO2022021787A1 - Procédé et appareil de commande d'antenne et dispositif terminal - Google Patents

Procédé et appareil de commande d'antenne et dispositif terminal Download PDF

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Publication number
WO2022021787A1
WO2022021787A1 PCT/CN2020/140735 CN2020140735W WO2022021787A1 WO 2022021787 A1 WO2022021787 A1 WO 2022021787A1 CN 2020140735 W CN2020140735 W CN 2020140735W WO 2022021787 A1 WO2022021787 A1 WO 2022021787A1
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WIPO (PCT)
Prior art keywords
terminal device
antenna mode
antenna
mode
signal parameter
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PCT/CN2020/140735
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English (en)
Chinese (zh)
Inventor
黄宏章
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广东小天才科技有限公司
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Publication of WO2022021787A1 publication Critical patent/WO2022021787A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communication technologies, and in particular, to an antenna control method, device and terminal device.
  • the Long Term Evolution (Long Term Evolution, LTE) system can provide users with more abundant communication services, but when users enjoy these communication services, the power consumption of terminal equipment is also particularly important. Since packet-based data streams are usually bursty, there is data transmission for a period of time, but no data transmission for a longer period of time next.
  • a discontinuous reception (DRX) mechanism in the radio resource control connection (Radio Resource Control_CONNECTED, RRC_CONNECTED) state is proposed in the LTE system, that is, the DRX mechanism in the RRC_CONNECTED state (also known as the CDRX mechanism) .
  • a DRX cycle which may also be called a CDRX cycle, is configured for a terminal device in an RRC connection state. As shown in Figure 1, it is a schematic diagram of the CDRX cycle.
  • the CDRX cycle (00 in the figure represents a CDRX cycle) consists of a CDRX activation period (On Duration, shown in Figure 01) and a CDRX sleep period (Opportunity for DRX, shown in Figure 02). ) composition: during the CDRX activation period, the terminal device monitors and receives the PDCCH (active state); during the CDRX sleep period, the terminal device does not monitor the PDCCH to reduce power consumption (sleep state).
  • the power consumption of the terminal equipment can be reduced by not monitoring the PDCCH during the CDRX sleep period, the overall power consumption of the terminal equipment is still very large, and how to further reduce the power consumption is the subject of constant research by those skilled in the art.
  • Embodiments of the present invention disclose an antenna control method, device and terminal equipment, which are used for reducing the power consumption of the terminal equipment and prolonging the standby time of the terminal equipment.
  • a first aspect of the embodiments of the present invention discloses an antenna control method, which may include:
  • the terminal device When the terminal device is in the radio resource control RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer expires, obtain the first signal parameter when the terminal device operates in the single-antenna mode;
  • the antenna mode of the terminal device is switched from the multi-antenna mode to the single-antenna mode.
  • the terminal device when the terminal device is in the RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer times out, the terminal device Entering the CDRX cycle, if the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device, after switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode, the method further include:
  • the downlink control information DCI message of the terminal device is not detected on the physical downlink control channel PDCCH during the activation period of the CDRX cycle, maintain the antenna mode of the terminal device as the single-antenna mode;
  • the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the method further includes:
  • the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the antenna mode of the terminal device is set to After switching from the multi-antenna mode to the single-antenna mode, the method further includes:
  • the antenna mode of the terminal device is the single antenna mode before the terminal device enters the RRC idle state, after the terminal device enters the RRC idle state, the antenna mode of the terminal device is maintained as the single antenna mode.
  • the antenna mode of the terminal device is changed from the single-antenna mode
  • the mode is switched to the multi-antenna mode.
  • the terminal device when the terminal device is in the RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer times out, the The first signal parameters when the terminal device works in the single-antenna mode, including:
  • the terminal device When the terminal device is in the radio resource control RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer expires, obtain the first signal strength value of the terminal device currently operating in the multi-antenna mode;
  • switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode includes:
  • the second signal strength value matches the minimum access strength value, switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode.
  • a second aspect of the embodiments of the present invention discloses an antenna control device, which may include:
  • an acquisition module configured to acquire the first signal parameter when the terminal device operates in the single-antenna mode if it is detected that the discontinuous reception CDRX inactivity timer expires when the terminal device is in the RRC connection state;
  • An antenna control module configured to switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode if the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device.
  • the terminal device when the terminal device is in the RRC connection state, if it is detected that the discontinuous reception CDRX inactivity timer times out, the terminal device Enter the CDRX cycle;
  • the antenna control module is further configured to, if the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device, after switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode, if During the activation period of the CDRX cycle, the downlink control information DCI message of the terminal device is not detected on the physical downlink control channel PDCCH, and the antenna mode of the terminal device is maintained as the single antenna mode; and, If the DCI message of the terminal device is detected on the PDCCH during the activation period of the CDRX cycle, the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the antenna control module is further configured to, if it is detected that the terminal device has uplink data to be sent and the antenna mode of the terminal device is set to When the single-antenna mode is selected, the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the antenna control module is further configured to, if the first signal parameter matches the signal parameter of the small serving cell corresponding to the terminal device, send the After the antenna mode of the terminal device is switched from the multi-antenna mode to the single-antenna mode, if the antenna mode of the terminal device is the single-antenna mode before the terminal device enters the RRC idle state, when the terminal device enters the RRC idle state, After the RRC idle state, maintaining the antenna mode of the terminal device as the single-antenna mode; and, if after the terminal device re-establishes the RRC connection and detects the DCI message of the terminal device in the PDCCH, or When the terminal device has data to be sent, the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the acquisition module is configured to, when the terminal device is in the radio resource control RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer times out After that, the specific manner of acquiring the first signal parameter when the terminal device works in the single-antenna mode is as follows:
  • the terminal device When the terminal device is in the RRC connection state of the radio resource control, if it is detected that the discontinuous reception CDRX inactivation timer expires, obtain the first signal strength value when the terminal device is currently working in the multi-antenna mode; and obtain all the Switching the antenna mode of the terminal device from the multi-antenna mode to the signal strength attenuation value corresponding to the single-antenna mode; and obtaining the operation of the terminal device according to the first signal strength value and the signal strength attenuation value the second signal strength value in the single-antenna mode; and, judging whether the second signal strength value matches the minimum access strength value of the serving cell corresponding to the terminal device;
  • the antenna control module is configured to switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode if the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device. for:
  • the second signal strength value matches the minimum access strength value, switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode.
  • a third aspect of the embodiments of the present invention discloses a terminal device, which may include:
  • a processor coupled to the memory
  • the processor invokes the executable program code stored in the memory to execute the antenna control method disclosed in the first aspect of the embodiments of the present invention.
  • a fourth aspect of the embodiments of the present invention discloses a computer-readable storage medium, which stores a computer program, wherein the computer program causes a computer to execute the antenna control method disclosed in the first aspect of the embodiments of the present invention.
  • a fifth aspect of the embodiments of the present invention discloses a computer program product, which, when the computer program product runs on a computer, causes the computer to execute part or all of the steps of any one of the methods of the first aspect.
  • a sixth aspect of the embodiments of the present invention discloses an application publishing platform, where the application publishing platform is used for publishing a computer program product, wherein when the computer program product runs on a computer, the computer is made to execute any of the first aspect.
  • the antenna mode is the multi-antenna mode
  • the first signal parameters of the terminal device when the terminal device works in the single-antenna mode is obtained.
  • the signal parameters match the cell signal parameters of the serving cell corresponding to the terminal device, and the antenna mode of the terminal device is switched from the multi-antenna mode to the single-antenna mode. It means that there is no downlink data of the terminal equipment temporarily, and the first signal parameter matches the cell signal parameters of the serving cell corresponding to the terminal equipment, indicating that the terminal equipment works in the single-antenna mode and can meet the signal requirements of the serving cell. Therefore, the antenna of the terminal equipment can be The mode is switched from the multi-antenna mode to the single-antenna mode, which can reduce the power consumption caused by opening multiple antennas and prolong the standby time of the terminal device.
  • Figure 1 is a schematic diagram of the CDRX cycle
  • FIG. 2 is a system architecture diagram to which an embodiment of the present invention is applied;
  • FIG. 3 is a schematic diagram of a CDRX cycle disclosed by an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of an antenna control method disclosed in Embodiment 1 of the present invention.
  • FIG. 5 is a schematic flowchart of an antenna control method disclosed in Embodiment 2 of the present invention.
  • FIG. 6 is a schematic structural diagram of an antenna control apparatus disclosed in an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a mobile phone disclosed in an embodiment of the present invention.
  • FIG. 2 is a system architecture diagram to which an embodiment of the present invention is applied.
  • the system architecture may include network equipment and terminal equipment.
  • the network equipment may further include access network equipment and core network equipment.
  • the wireless communication system further includes a plurality of core networks for communicating with the access network equipment.
  • the access network equipment may be a long-term evolution (long-term evolution, LTE) system, a next-generation mobile communication system (next radio, NR) system, or an authorized auxiliary access long-term evolution (authorized auxiliary access long-term evolution, LAA-LTE) system
  • LTE long-term evolution
  • NR next-generation mobile communication system
  • LAA-LTE authorized auxiliary access long-term evolution
  • Evolved base station evolutional node B, may be referred to as eNB or e-NodeB for short
  • eNB next-generation mobile communication system
  • LAA-LTE authorized auxiliary access long-term evolution
  • the terminal device in this embodiment of the present invention may be referred to as user equipment (user equipment, UE).
  • the terminal device may be a personal communication service (personal communication service, PCS) phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (personal digital assistant) digital assistant, PDA) and other equipment
  • the terminal equipment can also be a mobile phone, a mobile station (mobile station, MS), a mobile terminal (mobile terminal), a notebook computer, etc.
  • RAN communicates with one or more core networks.
  • the terminal device can be a mobile phone (or called a "cellular" phone) or a computer with a mobile terminal, etc.
  • the terminal device can also be 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 network, etc.
  • 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 network, etc.
  • UMTS Universal Mobile Telecommunication System
  • the protocol stack of UMTS is divided into Non-Access Stratum (NAS) and The access layer (Access Stratum, AS) and the NAS layer deal with the transmission of information between the user equipment (User Equipment, UE) and the core network.
  • the content of the transmission can be user information or control information.
  • Radio Resource Control Protocol (Radio Resource Control, RRC) layer and the following protocol layers are called AS layer, and RRC layer is the third layer of the control plane between UE and Node-B, the first layer is the physical layer (Physical Layer), and the second layer is the medium Access control layer (Medium Access Control, MAC).
  • RRC Radio Resource Control Protocol
  • connection establishment of the RRC link mainly includes two reasons:
  • Originating Conversational Call(0) calling conversation class (voice, video);
  • Originating Streaming Call(1) the calling streaming service
  • Originating Interactive Call(2) Calling interactive services
  • Originating Subscribed Traffic Call(4) Initiate a subscription service
  • Terminating Streaming Call(6) called streaming media service
  • Inter-RAT cell re-selection(10) cell re-selection
  • FIG. 3 is a schematic diagram of a CDRX cycle disclosed in an embodiment of the present invention.
  • a CDRX cycle consists of an activation period (On Duration) and a dormancy period (Opportunity for DRX), and during the activation period, the terminal device monitors and receives PDCCH; During the sleep period, the terminal device does not receive the PDCCH to reduce power consumption, but can receive data from other physical channels, such as the Physical Downlink Share Channel (PDSCH), ACK/NACK, etc. From the time domain point of view, time is divided into successive CDRX cycles (CDRX Cycle). The choice of CDRX cycle needs to consider the balance between battery saving and delay.
  • PDSCH Physical Downlink Share Channel
  • ACK/NACK ACK/NACK
  • each terminal device can be configured with two CDRX cycles: a short CDRX cycle (shortRCX-Cycle) and a long CDRX cycle (longDRX-Cycle). If the terminal device is configured with a short CDRX cycle, the long CDRX cycle should be configured as a multiple of the short CDRX cycle.
  • 10 represents a short CDRX cycle
  • 11 represents the active period in the short CDRX cycle
  • the next three white squares are the sleep period in the short CDRX cycle
  • 12 is the three-time period counted by a short CDRX cycle timer.
  • a short CDRX cycle; 20 represents a long CDRX cycle
  • 21 represents the active period in the long CDRX cycle, and the next eight white boxes are the sleep period in the long CDRX cycle.
  • a short CDRX cycle is 5 subframes, the active period is 2 subframes, and the dormant period is 3 subframes;
  • a long CDRX cycle is 10 subframes, the active period is 2 subframes, and the dormant period is 8 subframes.
  • Activation timer (OnDuration Timer): Specify the number of PDCCH subframes that the terminal device continues to monitor at the beginning of each CDRX cycle;
  • CDRX inactivity timer (drx-InactivityTimer): Specifies the number of consecutive PDCCH subframes that remain in the CDRX active period after the terminal device successfully decodes a PDCCH indicating the initial transmission of uplink and downlink user data during the active period.
  • a CDRX inactivity timer is started (or restarted), and the terminal device will remain active until the timer expires.
  • the embodiments of the present invention provide an antenna control method, apparatus, and terminal equipment, which are used to indicate that there is no downlink data of the terminal equipment temporarily after the CDRX inactivity timer expires, and the terminal equipment works on a single antenna by obtaining The first signal parameter in the mode, if the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device, switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode can reduce the problems caused by opening multiple antennas. The power consumption is lost and the standby time of the terminal device is prolonged.
  • the technical solutions of the present invention will be described in detail below from the perspective of terminal equipment and in conjunction with specific embodiments.
  • FIG. 4 is a schematic flowchart of an antenna control method disclosed in Embodiment 1 of the present invention. As shown in FIG. 4, the antenna control method may include:
  • the first signal parameter may include at least one of signal strength, signal quality, and signal-to-noise ratio.
  • the antenna mode is usually a multi-antenna mode.
  • the terminal device detects whether there is no downlink data of the user by setting the CDRX inactivation timer. If the CDRX inactivation timer expires, it means that there is no downlink data of the user, and can enter the CDRX mechanism, that is, enter the CDRX cycle.
  • the first signal parameter of the terminal device operating in the single-antenna mode can be detected to determine whether the terminal device can switch the single-antenna mode to save electricity.
  • the CDRX inactivation timer expires, and the first signal parameter when the terminal device operates in the single-antenna mode is acquired.
  • the terminal device can also meet the signal requirements of the serving cell even when the terminal device operates in the single-antenna mode. Therefore, switching to the single-antenna mode can reduce the Power consumption to achieve the purpose of extending the standby time of the terminal device.
  • the above-mentioned multi-antenna mode may be a dual-antenna mode, or a three-antenna mode or more.
  • the terminal device when the terminal device is in the RRC connection state, if it is detected that the discontinuous reception CDRX inactivity timer expires, the first signal parameter of the terminal device operating in the single-antenna mode is obtained.
  • the terminal device When the terminal device is in the radio resource control RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer expires, obtain the first signal strength value when the terminal device is currently working in the multi-antenna mode;
  • the first signal strength value and the signal strength attenuation value obtain the second signal strength value when the terminal device works in the single antenna mode
  • whether the terminal device can switch to the single-antenna mode is determined mainly by judging whether the signal strength of the terminal device in the single-antenna mode meets the minimum access strength value of the serving cell.
  • switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode includes:
  • the antenna mode of the terminal device If the second signal strength value matches the minimum access strength value, switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode.
  • the signal strength value is 120dBm
  • the signal strength attenuation value from the dual-antenna mode to the single-antenna mode is 10dBm. Therefore, when the terminal device works in the single-antenna mode, the signal strength value is 110dBm , if the minimum access strength value of the serving cell is 120dBm, it means that the terminal device cannot meet the needs of the serving cell when it works in the single antenna mode, and cannot perform handover, so as to prevent the terminal device from being unable to access the network normally; If the input strength value is 110dBm, it means that the terminal device works in the single-antenna mode just to meet the needs of the serving cell, and the antenna mode of the terminal device can be switched from the multi-antenna mode to the single-antenna mode to reduce power consumption.
  • the antenna mode is the multi-antenna mode
  • the first signal parameters of the terminal device operating in the single-antenna mode are obtained. If the first signal parameter Match the cell signal parameters of the serving cell corresponding to the terminal device, and switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode. There is no downlink data of the terminal device, and the first signal parameters match the cell signal parameters of the serving cell corresponding to the terminal device, indicating that the terminal device works in the single-antenna mode and can meet the signal requirements of the serving cell. Therefore, the antenna mode of the terminal device can be changed from The multi-antenna mode is switched to the single-antenna mode, which can reduce the power consumption caused by opening multiple antennas and prolong the standby time of the terminal device.
  • FIG. 5 is a schematic flowchart of an antenna control method disclosed in Embodiment 2 of the present invention. As shown in FIG. 5, the antenna control method may include:
  • the parameter value indicating the current channel quality is obtained, such as the current buffer of the terminal device to be sent.
  • the ratio of retransmitted data in the data or the received signal strength of the terminal device; if the parameter value is less than the preset threshold, the antenna mode of the terminal device is maintained as the multi-antenna mode; if the parameter value is greater than the preset preset, execute the task of acquiring the terminal device The step of the first signal parameter in the single-antenna mode; if the parameter value is equal to the preset threshold, the step of maintaining the antenna mode of the terminal device as the multi-antenna mode can be performed or the first signal parameter when the terminal device is operating in the single-antenna mode can be obtained. Steps for signal parameters.
  • the single-antenna mode it is determined whether the switching of the antenna mode affects data transmission and reception by comparing the parameter value indicating the current channel quality with the threshold. In the RRC connection state and the CDRX inactivity timer expires, it still cannot switch to the single-antenna mode to ensure that data can be sent and received normally. When the current channel quality is good, the single-antenna mode can also meet the signal coverage requirements of the serving cell. , switch to single antenna mode to reduce power consumption.
  • step 502. Determine whether the above-mentioned first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device. Wherein, if it matches, go to step 503 , if not, go to step 508 .
  • the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device, it means that antenna mode switching can be performed, and when the first signal parameter does not match the cell signal parameter of the serving cell corresponding to the terminal device, the Continue to maintain the antenna mode as the current multi-antenna mode.
  • step 506 determines whether the DCI message of the terminal device is detected on the PDCCH. If no DCI message is detected, go to step 506 ; if a DCI message is detected, go to step 505 .
  • the CDRX cycle is entered. If it is detected that the PDCCH has no DCI message during the activation period of the CDRX cycle, that is, it is detected that the PDCCH has no DCI message during the activation period of the short CDRX cycle or the activation period of the long CDRX cycle.
  • the DCI message for example, in the subframe of 11 or 21 in FIG. 3 , it is detected that the PDCCH has no DCI message, and the single-antenna mode can be maintained, and then it is further detected whether there is uplink data to be sent.
  • step 506. Detect whether the terminal device has uplink data to be sent. Wherein, if there is uplink data to be sent, go to step 505; if there is no uplink data to be sent, go to step 507.
  • the antenna mode of the terminal device is continued to be the single-antenna mode.
  • the antenna mode of the terminal device is the single antenna mode before the terminal device enters the RRC idle state, after the terminal device enters the RRC idle state, the antenna mode of the terminal device is maintained as the single antenna mode;
  • the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the terminal device when the terminal device is in the RRC connected state, if the antenna mode is switched to the single-antenna mode in order to reduce power consumption, and the single-antenna mode is still used when entering the RRC idle state, then in the RRC idle state, the terminal device is maintained.
  • the antenna mode of the device is single-antenna mode, which can further reduce power consumption in the RRC idle state, until the terminal device establishes an RRC connection again and detects that the terminal device has DCI messages or data to be sent, and then change the antenna mode from single-antenna mode. Switch to multi-antenna mode to ensure that end devices can communicate properly.
  • the antenna mode is the multi-antenna mode.
  • the first signal parameters of the terminal device when the terminal device works in the single-antenna mode is obtained.
  • the signal parameters match the cell signal parameters of the serving cell corresponding to the terminal device, and the antenna mode of the terminal device is switched from the multi-antenna mode to the single-antenna mode. It means that there is no downlink data of the terminal equipment temporarily, and the first signal parameter matches the cell signal parameters of the serving cell corresponding to the terminal equipment, indicating that the terminal equipment works in the single-antenna mode and can meet the signal requirements of the serving cell.
  • the antenna of the terminal equipment can be The mode is switched from the multi-antenna mode to the single-antenna mode, which can reduce the power consumption caused by opening multiple antennas and prolong the standby time of the terminal device.
  • the antenna mode of the terminal device is maintained as the single-antenna mode, and it is further detected whether the terminal device has uplink data to send. If not, the antenna mode of the terminal device is maintained as the single-antenna mode to reduce power consumption.
  • FIG. 6 is a schematic structural diagram of an antenna control apparatus disclosed in an embodiment of the present invention. As shown in FIG. 6, the antenna control apparatus may include:
  • the obtaining module 610 is configured to obtain the first signal parameter when the terminal device operates in the single-antenna mode if it is detected that the discontinuous reception CDRX inactivity timer expires when the terminal device is in the RRC connection state;
  • the antenna control module 620 is configured to switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode if the above-mentioned first signal parameters match the cell signal parameters of the serving cell corresponding to the terminal device.
  • the antenna mode is the multi-antenna mode
  • the first signal parameters of the terminal device when the terminal device works in the single-antenna mode is obtained. If the first signal parameters match The cell signal parameters of the serving cell corresponding to the terminal device switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode.
  • the antenna mode of the terminal device can be changed from multiple The antenna mode is switched to the single-antenna mode, which can reduce the power loss caused by opening multiple antennas and prolong the standby time of the terminal device.
  • the terminal device when the terminal device is in the RRC connection state, if it is detected that the discontinuous reception CDRX inactivation timer expires, the terminal device enters the CDRX cycle; the above-mentioned antenna control module 620 also uses If the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device, after switching the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode, if there is no physical downlink control channel during the activation period of the CDRX cycle If the DCI message of the terminal device is detected on the PDCCH, the antenna mode of the terminal device is maintained as the single antenna mode; and, if the DCI message of the terminal device is detected on the PDCCH during the activation period of the CDRX cycle, the antenna mode of the terminal device is changed from Switch from single antenna mode to multi-antenna mode.
  • the above-mentioned antenna control module 620 is further configured to change the antenna mode of the terminal device from the single-antenna mode if it is detected that the terminal device has uplink data to be sent and the antenna mode of the terminal device is the single-antenna mode Switch to multi-antenna mode.
  • the CDRX cycle is entered. If it is detected that there is no DCI message on the PDCCH during the activation period of the CDRX cycle, that is, within the activation period of the short CDRX cycle or the activation period of the long CDRX cycle Detecting that there is no DCI message on the PDCCH.
  • the single-antenna mode can continue to be maintained, and then it is further detected whether there is uplink data to be sent, and there is no to be sent. Uplink data continues to be maintained in the single-antenna mode. If there is uplink data to be sent, switching to the multi-antenna mode for data transmission and reception can reduce power consumption as much as possible and prolong the standby time of the terminal equipment while ensuring the normal communication of the terminal equipment.
  • the above-mentioned antenna control module 620 is further configured to switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode if the first signal parameter matches the signal parameter of the small-serving cell corresponding to the terminal device After that, if the antenna mode of the terminal device is the single antenna mode before the terminal device enters the RRC idle state, after the terminal device enters the RRC idle state, the antenna mode of the terminal device is maintained as the single antenna mode; and, if the RRC is established again in the terminal device After the connection is made and the DCI message of the terminal device or the data to be sent by the terminal device is detected in the PDCCH, the antenna mode of the terminal device is switched from the single-antenna mode to the multi-antenna mode.
  • the terminal device when the terminal device is in the RRC connected state, if the antenna mode is switched to the single-antenna mode in order to reduce power consumption, and the single-antenna mode is still used when entering the RRC idle state, then in the RRC idle state, the terminal device is maintained.
  • the antenna mode of the device is single-antenna mode, which can further reduce power consumption in the RRC idle state, until the terminal device establishes an RRC connection again and detects that the terminal device has DCI messages or data to be sent, and then change the antenna mode from single-antenna mode. Switch to multi-antenna mode to ensure that end devices can communicate properly.
  • the above-mentioned obtaining module 610 is configured to obtain the first signal parameter when the terminal device operates in the single-antenna mode when the terminal device is in the RRC connection state, if it is detected that the CDRX inactivation timer expires
  • the method is specifically:
  • the terminal device When the terminal device is in the RRC connection state, if it is detected that the CDRX inactivation timer times out, obtain the first signal strength value when the terminal device is currently working in the multi-antenna mode; and, obtain the antenna mode of the terminal device from the multi-antenna mode. Switch to the signal strength attenuation value corresponding to the single antenna mode; and, according to the first signal strength value and the signal strength attenuation value, obtain the second signal strength value when the terminal device works in the single antenna mode; and, determine the second signal strength value Whether it matches the minimum access strength value of the serving cell corresponding to the terminal device;
  • the above-mentioned antenna control module 620 is used to switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode if the first signal parameter matches the cell signal parameter of the serving cell corresponding to the terminal device as follows:
  • the antenna mode of the terminal device If the second signal strength value matches the minimum access strength value, switch the antenna mode of the terminal device from the multi-antenna mode to the single-antenna mode.
  • whether the terminal device can switch to the single-antenna mode is determined mainly by judging whether the signal strength of the terminal device in the single-antenna mode meets the minimum access strength value of the serving cell.
  • An embodiment of the present invention also provides a terminal device, which may include:
  • a processor coupled to the memory
  • the processor invokes the executable program code stored in the memory to execute the antenna control method in the above method embodiments.
  • the terminal device in the embodiment of the present invention may be a mobile phone as shown in FIG. 7, and the mobile phone may include: a radio frequency (RF) circuit 1110, a memory 1120, an input unit 1130, a display unit 1140, a sensor 1150, an audio circuit 1160, a wireless fidelity (WiFi) module 1170, a processor 1180, a power supply 1190 and other components.
  • the radio frequency circuit 1110 includes a receiver 1111 and a transmitter 1112 .
  • the structure of the mobile phone shown in FIG. 7 does not constitute a limitation on the mobile phone, and may include more or less components than the one shown, or combine some components, or arrange different components.
  • the RF circuit 1110 can be used for receiving and sending signals during information transmission and reception or during a call. In particular, after receiving the downlink information of the base station, it is processed by the processor 1180; in addition, it sends the designed uplink data to the base station.
  • the RF circuit 1110 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (LNA), a duplexer, and the like.
  • the RF circuit 1110 may also communicate with networks and other devices via wireless communication.
  • the above-mentioned wireless communication can use any communication standard or protocol, including but not limited to the global system of mobile communication (global system of mobile communication, GSM), general packet radio service (general packet radio service, GPRS), code division multiple access (code division multiple access) multiple access, CDMA), wideband code division multiple access (WCDMA), long term evolution (long term evolution, LTE), email, short message service (short messaging service, SMS) and so on.
  • GSM global system of mobile communication
  • general packet radio service general packet radio service
  • GPRS code division multiple access
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • long term evolution long term evolution
  • email short message service
  • the memory 1120 can be used to store software programs and modules, and the processor 1180 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 1120 .
  • the memory 1120 may mainly include a stored program area and a stored data area, wherein the stored program area may store an operating system, an application program (such as a sound playback function, an image playback function, etc.) required for at least one function, and the like; Data created by the use of the mobile phone (such as audio data, phone book, etc.), etc.
  • memory 1120 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 1130 can be used to receive inputted numerical or character information, and generate key signal input related to user setting and function control of the mobile phone.
  • the input unit 1130 may include a touch panel 1131 and other input devices 1132 .
  • the touch panel 1131 also referred to as a touch screen, can collect the user's touch operations on or near it (such as the user's finger, stylus, etc., any suitable object or accessory on or near the touch panel 1131). operation), and drive the corresponding connection device according to the preset program.
  • the touch panel 1131 may include two parts, a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the touch controller.
  • the touch panel 1131 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the input unit 1130 may further include other input devices 1132 .
  • other input devices 1132 may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 1140 may be used to display information input by the user or information provided to the user and various menus of the mobile phone.
  • the display unit 1140 may include a display panel 1141.
  • the display panel 1141 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the touch panel 1131 may cover the display panel 1141. When the touch panel 1131 detects a touch operation on or near it, it transmits it to the processor 1180 to determine the type of the touch event, and then the processor 1180 determines the type of the touch event according to the touch event. Type provides corresponding visual output on display panel 1141.
  • the touch panel 1131 and the display panel 1141 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the touch panel 1131 and the display panel 1141 can be integrated to form Realize the input and output functions of the mobile phone.
  • the cell phone may also include at least one sensor 1150, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1141 according to the brightness of the ambient light, and the proximity sensor may turn off the display panel 1141 and/or when the mobile phone is moved to the ear. or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes), and can detect the magnitude and direction of gravity when it is stationary. games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. Repeat.
  • the audio circuit 1160, the speaker 1161, and the microphone 1162 can provide an audio interface between the user and the mobile phone.
  • the audio circuit 1160 can convert the received audio data into an electrical signal, and transmit it to the speaker 1161, and the speaker 1161 converts it into a sound signal for output; on the other hand, the microphone 1162 converts the collected sound signal into an electrical signal, which is converted by the audio circuit 1160 After receiving, it is converted into audio data, and then the audio data is output to the processor 1180 for processing, and then sent to, for example, another mobile phone through the RF circuit 1110, or the audio data is output to the memory 1120 for further processing.
  • WiFi is a short-distance wireless transmission technology.
  • the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 1170, which provides users with wireless broadband Internet access.
  • FIG. 7 shows the WiFi module 1170, it can be understood that it is not a necessary component of the mobile phone, and can be completely omitted as required within the scope of not changing the essence of the invention.
  • the processor 1180 is the control center of the mobile phone, using various interfaces and lines to connect various parts of the entire mobile phone, by running or executing the software programs and/or modules stored in the memory 1120, and calling the data stored in the memory 1120.
  • the processor 1180 may include one or more processing units; preferably, the processor 1180 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs, etc. , the modem processor mainly deals with wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1180.
  • the mobile phone also includes a power supply 1190 (such as a battery) for supplying power to various components.
  • a power supply 1190 (such as a battery) for supplying power to various components.
  • the power supply can be logically connected to the processor 1180 through a power management system, so as to manage charging, discharging, and power consumption management functions through the power management system.
  • the mobile phone may also include a camera, a Bluetooth module, and the like, which will not be repeated here.
  • the embodiment of the present invention further discloses a computer-readable storage medium, which stores a computer program, wherein the computer program causes a computer to execute an antenna control method disclosed in FIG. 4 to FIG. 5 .
  • the embodiment of the present invention also discloses a computer program product, which when the computer program product runs on a computer, causes the computer to execute some or all of the steps of any one of the methods disclosed in FIG. 4 to FIG. 5 .
  • the embodiment of the present invention also discloses an application publishing platform, the application publishing platform is used for publishing a computer program product, wherein, when the computer program product runs on a computer, the computer is made to execute the steps disclosed in FIG. 4 to FIG. 5 . Some or all of the steps of any method.
  • Read-Only Memory ROM
  • Random Access Memory Random Access Memory
  • PROM Programmable Read-only Memory
  • EPROM Erasable Programmable Read Only Memory
  • OTPROM One-time Programmable Read-Only Memory
  • EEPROM Electronically Erasable Programmable Read-Only Memory
  • CD-ROM Compact Disc
  • CD-ROM Compact Disc

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

Abstract

Les modes de réalisation de la présente invention se rapportent au domaine technique des communications. Sont divulgués un procédé et un appareil de commande d'antenne et un dispositif terminal. Le procédé consiste : lorsqu'un dispositif terminal est dans un état connecté de commande de ressources radio (RRC), s'il est détecté que la temporisation d'un temporisateur inactif de réception discontinue connectée (CDRX) expire, à acquérir un premier paramètre de signal du moment où le dispositif terminal fonctionne dans un mode mono-antenne ; et si le premier paramètre de signal correspond à un paramètre de signal de cellule d'une cellule de service correspondant au dispositif terminal, à faire passer un mode d'antenne du dispositif terminal d'un mode multi-antenne au mode mono-antenne. Après expiration de la temporisation du temporisateur inactif CDRX, il indique qu'il n'y a temporairement aucune donnée de liaison descendante d'un dispositif terminal, et un mode d'antenne du dispositif terminal est amené à passer d'un mode multi-antenne à un mode mono-antenne, de telle sorte que la perte de consommation d'énergie provoquée par l'ouverture d'une pluralité d'antennes puisse être réduite, et que le temps de veille du dispositif terminal soit prolongé.
PCT/CN2020/140735 2020-07-30 2020-12-29 Procédé et appareil de commande d'antenne et dispositif terminal WO2022021787A1 (fr)

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