WO2021068173A1 - 一种信号传输方法及装置、终端设备 - Google Patents
一种信号传输方法及装置、终端设备 Download PDFInfo
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- WO2021068173A1 WO2021068173A1 PCT/CN2019/110467 CN2019110467W WO2021068173A1 WO 2021068173 A1 WO2021068173 A1 WO 2021068173A1 CN 2019110467 W CN2019110467 W CN 2019110467W WO 2021068173 A1 WO2021068173 A1 WO 2021068173A1
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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
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- 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 embodiments of the application relate to the field of mobile communication technology, and in particular to a signal transmission method and device, and terminal equipment.
- the network may configure a discontinuous reception (Discontinuous Reception, DRX) function for the terminal equipment, the terminal equipment listens discontinuously PDCCH (Physical Downlink Control Channel, PDCCH), in order to achieve the purpose of saving power for terminal equipment.
- DRX discontinuous Reception
- PDCCH Physical Downlink Control Channel
- DRX activation time is an important concept of the DRX function. If the terminal device is configured with the DRX function, the terminal device needs to monitor the PDCCH during the DRX activation time. On the other hand, the terminal device needs a certain time (such as 4ms) in advance to determine whether a symbol is in the DRX activation time, and then decide whether to send Channel State Information (CSI)/Sounding Reference Signal (Sounding Reference) Signal, SRS).
- CSI Channel State Information
- SRS Sounding Reference Signal
- the embodiments of the present application provide a signal transmission method and device, and terminal equipment.
- the terminal device determines the first offset of the time of the wake-up signal with respect to the reference time; the first offset is less than or equal to the first threshold;
- the terminal device determines at the first moment whether the second moment is in the DRX activation time; the first moment is earlier than the second moment, and the time interval between the first moment and the second moment is greater than or equal to The first threshold;
- the terminal device estimates that the target signal needs to be transmitted at the second moment; if the second moment is not in the DRX activation time, the terminal device is in the second moment The target signal is not transmitted at all times.
- the terminal device determines the first offset of the wake-up signal time relative to the reference time; the first offset is greater than or equal to the first threshold;
- the terminal device determines at the first moment whether the second moment is in the DRX activation time; the first moment is earlier than the second moment, and the time interval between the first moment and the second moment is greater than or equal to The first threshold;
- the terminal device transmits the target signal at the second time; if the second time is not at the DRX activation time, the terminal device does not Transmit the target signal.
- the determining unit is configured to determine the first offset of the wake-up signal time relative to the reference time; the first offset is less than or equal to the first threshold;
- the judging unit is configured to judge whether the second time is in the DRX activation time at the first time; the first time is earlier than the second time, and the time interval between the first time and the second time is greater than Equal to the first threshold;
- a processing unit configured to estimate that the target signal needs to be transmitted at the second time if the second time is at the DRX activation time; if the second time is not at the DRX activation time, do not transmit at the second time Target signal.
- a determining unit configured to determine a first offset of the wake-up signal time relative to the reference time; the first offset is greater than or equal to a first threshold;
- the judging unit is configured to judge whether the second time is in the DRX activation time at the first time; the first time is earlier than the second time, and the time interval between the first time and the second time is greater than Equal to the first threshold;
- a processing unit configured to transmit a target signal at the second time if the second time is at the DRX activation time; if the second time is not at the DRX activation time, not to transmit the target signal at the second time .
- the terminal device provided in the embodiment of the present application includes a processor and a memory.
- the memory is used to store a computer program
- the processor is used to call and run the computer program stored in the memory to execute the above-mentioned signal transmission method.
- the chip provided in the embodiment of the present application is used to implement the above-mentioned signal transmission method.
- the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned signal transmission method.
- the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned signal transmission method.
- the computer program product provided by the embodiments of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned signal transmission method.
- the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned signal transmission method.
- the terminal device determines whether the second moment (such as symbol n) is in the DRX activation time by a certain time interval in advance, and the terminal device considers the wake-up signal This factor determines whether to report the target signal (such as CSI and/or SRS), so that when the wake-up signal is introduced, it can be determined whether the second moment is in the DRX activation time and whether to report the target signal.
- WUS Wake Up Signalling
- FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
- FIG. 2 is a schematic diagram of the DRX cycle provided by an embodiment of the present application.
- Fig. 3 is a first schematic diagram of time provided by an embodiment of the present application.
- FIG. 4 is a first schematic flowchart of a signal transmission method provided by an embodiment of this application.
- FIG. 5 is a second schematic diagram of time provided by an embodiment of the present application.
- FIG. 6 is a second schematic flowchart of a signal transmission method provided by an embodiment of this application.
- FIG. 7 is a third schematic diagram of time provided by an embodiment of the present application.
- FIG. 8 is a schematic diagram 1 of the structural composition of a signal transmission device provided by an embodiment of the application.
- FIG. 9 is a second structural diagram of the signal transmission device provided by an embodiment of the application.
- FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of a chip of an embodiment of the present application.
- FIG. 12 is a schematic block diagram of a communication system provided by an embodiment of the present application.
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- 5G communication system 5G communication system or future communication system.
- the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
- the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
- the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
- the network device 110 may be an evolved base station (Evolutional Node 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 equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
- the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
- the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
- PSTN public switched telephone network
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- DSL Digital Subscriber Line
- a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
- mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
- PCS Personal Communications System
- GPS Global Positioning System
- Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
- the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
- the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
- NR New Radio
- FIG. 1 exemplarily shows one network device and two terminals.
- the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
- the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
- network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
- the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
- the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
- the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
- the network can configure the DRX function for the terminal device so that the terminal device can monitor the PDCCH non-continuously to achieve the purpose of saving power for the terminal device.
- each Medium Access Control (MAC) entity has a DRX configuration, and the parameters included in the DRX configuration are as follows:
- -drx-onDurationTimer used to indicate the duration of the terminal device waking up from the beginning of a DRX cycle (DRX Cycle).
- -drx-SlotOffset used to instruct the terminal device to start the drx-onDurationTimer delay.
- -drx-InactivityTimer It is used to indicate the duration of time that the terminal device continues to monitor the PDCCH after receiving a PDCCH indicating uplink initial transmission or downlink initial transmission.
- each downlink HARQ process except for the broadcast hybrid automatic repeat reQuest (Hybrid Automatic Repeat reQuest, HARQ) process corresponds to a drx-RetransmissionTimerDL.
- each uplink HARQ process corresponds to a drx-RetransmissionTimerUL.
- -drx-LongCycleStartOffset Used to configure the long DRX cycle (Long DRX cycle) and the subframe offset between the start time of the Long DRX cycle and the start time of the short DRX cycle (short DRX cycle).
- Short DRX cycle Used to configure Short DRX cycle, which is optional.
- -drx-ShortCycleTimer Used to indicate the duration of the terminal device being in the Short DRX cycle (and not receiving any PDCCH), which is an optional configuration.
- each downlink HARQ process except the broadcast HARQ process corresponds to one drx-HARQ-RTT-TimerDL.
- each uplink HARQ process corresponds to one drx-HARQ-RTT-TimerUL.
- the terminal device If the terminal device is configured with DRX, the terminal device needs to monitor the PDCCH during the DRX activation time.
- the determination of DRX activation time includes the following situations:
- the period during which the terminal device sends a scheduling request (Scheduling Request, SR) on the Physical Uplink Control Channel (PUCCH) and is in a pending state is the DRX activation time.
- SR scheduling request
- PUCCH Physical Uplink Control Channel
- the terminal device has not received the PDCCH indication scrambled by the Cell-Radio Network Tempory Identity (C-RNTI) after successfully receiving the random access response.
- C-RNTI Cell-Radio Network Tempory Identity
- the period of one initial transmission is the DRX activation time.
- the terminal device determines the time to start drx-onDurationTimer according to whether it is currently in a short DRX cycle or a long DRX cycle.
- the specific regulations are as follows:
- the drx-onDurationTimer is started at a time after drx-SlotOffset slots (slot) from the beginning of the current subframe.
- DRX cycle and DRX activation time also called On Duration are shown in Figure 2.
- CSI transmission may also be referred to as CSI reporting
- SRS transmission may also be referred to as SRS transmission.
- the terminal device determines whether to transmit SRS and whether to report CSI in the symbol n based on the time 4ms in advance (it can be called the DRX ambiguity period (DRX ambiguity period). )) to assume whether symbol n is in the DRX activation time. In other words, the terminal device determines whether symbol n is the DRX activation time 4 ms in advance, and if symbol n is not the DRX activation time, the terminal device does not transmit CSI/SRS.
- DRX ambiguity period DRX ambiguity period
- the event that the terminal device determines in advance whether to report CSI/SRS depends on: uplink scheduling (grants) message, downlink scheduling or downlink assignment (assignments) message, DRX command MAC CE (DRX Command MAC CE), long DRX command MAC CE (Long DRX Command MAC CE) and scheduling request messages.
- uplink scheduling grants
- downlink scheduling or downlink assignment assignments
- DRX command MAC CE DRX Command MAC CE
- long DRX command MAC CE Long DRX Command MAC CE
- the terminal device receives the physical downlink shared channel (Physical Downlink Share Channel, PDSCH) to the PDSCH feedback is a fixed minimum time It is 3ms.
- the advance time is set to 4ms, which means that 4ms is enough for the terminal device to determine whether the PDCCH detection is successful, and whether the PDSCH detection is successful.
- the concept of a wake-up signal is introduced, and the wake-up signal can also be called a power saving signal.
- the terminal device will blindly check the PDCCH used to carry the wake-up signal at a fixed time (the time has an offset from the starting time of the drx-ondurationTimer) before starting the drx-ondurationTimer.
- the wake-up signal can also be Called PDCCH-WUS (PDCCH-based power saving signalling), if the terminal device detects PDCCH-WUS and the PDCCH-WUS instructs the terminal device to start drx-ondurationTimer, the terminal device starts drx-ondurationTimer, otherwise the terminal device does not Start drx-ondurationTimer.
- PDCCH-WUS PDCCH-based power saving signalling
- PDCCH-WUS The introduction of PDCCH-WUS will affect the terminal device's judgment whether a symbol (assumed as symbol n) is in the DRX activation time. Since the offset of the PDCCH-WUS configuration has not been finalized, the offset may be greater than 4ms, or It may be less than 4ms. If the offset is greater than 4ms, the terminal device does not determine whether the symbol is the DRX activation time based on PDCCH-WUS; if the offset is less than 4ms, the terminal device should consider the PDCCH when determining whether the symbol is the DRX activation time -WUS's instructions.
- FIG. 4 is a schematic flowchart 1 of a signal transmission method provided by an embodiment of this application. As shown in FIG. 4, the signal transmission method includes the following steps:
- Step 401 The terminal device determines a first offset of the time of the wake-up signal with respect to the reference time; the first offset is less than or equal to a first threshold.
- the wake-up signal may also be referred to as an energy-saving signal.
- the wake-up signal is carried in the PDCCH. Based on this, the wake-up signal may also be referred to as PDCCH-WUS.
- the configuration of the wake-up signal at least includes: a first offset.
- the first offset is used to indicate the offset of the time of the wake-up signal with respect to the reference time.
- the reference time is the start time of the first timer
- the running period of the first timer is the DRX activation time.
- the first timer is drx-ondurationTimer.
- the first offset is less than or equal to the first threshold.
- the first threshold is 4 ms.
- Step 402 The terminal device determines at the first time whether the second time is in the DRX activation time; the first time is earlier than the second time, and the time between the first time and the second time The interval is greater than or equal to the first threshold.
- the terminal device judges whether the second time is in the DRX activation time at the first time before the second time.
- the time interval between the first time and the second time is greater than or equal to the first threshold.
- the first threshold is 4 ms.
- the terminal device determines whether to transmit the target signal based on at least one of the following: uplink scheduling message, downlink scheduling message, DRX command MAC CE, long DRX command MAC CE, scheduling request message. Further, the terminal device judges whether to transmit the target signal when the wake-up signal indicates to start the first timer by default, and the running period of the first timer is the DRX activation time. In specific implementation, the first timer is drx-ondurationTimer.
- Step 403 If the second moment is in the DRX activation time, the terminal device estimates that the target signal needs to be transmitted at the second moment; if the second moment is not in the DRX activation time, the terminal device is in the DRX activation time. The target signal is not transmitted at the second moment.
- the terminal device when the terminal device estimates that the target signal needs to be transmitted at the second moment, the terminal device performs a preparation operation for transmitting the target signal, for example, prepares to assemble the target signal.
- the target signal includes at least one of the following: CSI and SRS.
- the CSI includes at least one of the following: CSI transmitted on the PUCCH periodically, and CSI transmitted on the PUSCH semi-statically.
- the SRS includes at least one of the following: periodic SRS and semi-static SRS.
- the time interval between the first time and the second time (that is, the DRX uncertain period) is 4 ms, that is, the first time is earlier than the The second moment is 4ms.
- the first offset of the time of the wake-up signal with respect to the reference time is less than 4 ms. It is necessary for the terminal device to determine whether the symbol n is in the DRX activation time at least 4 ms in advance (that is, before the first moment) to consider the following events:
- At least one of the following received by the terminal device uplink scheduling (grants) message, downlink scheduling (assignments) message, DRX Command MAC CE, Long DRX Command MAC CE, and scheduling request message sent by the terminal device.
- the terminal device assumes that the wake-up signal indicates to start the first timer, where the first timer is drx-ondurationTimer.
- the terminal device estimates that the target signal is transmitted at the symbol n and starts to perform the preparation operation of the target signal.
- the terminal device determines whether to give up (or ignore) the transmission of the target signal at the second moment in combination with the actual received wake-up signal. Specifically, three cases are given below for illustration.
- Case 1 If the terminal device detects the wake-up signal at the third moment, and the wake-up signal indicates that the first timer is not to be started at the second moment, the terminal device does not start at the second moment Transmitting the target signal; wherein the third time is later than the first time and earlier than the second time; the running period of the first timer is the DRX activation time.
- the third moment is the configured wake-up signal time. If the terminal device detects the wake-up signal at the configured wake-up signal time, and the wake-up signal indicates that the terminal device does not start at the time of symbol n drx-ondurationTimer, the terminal device does not need to report CSI (including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH) at the position of symbol n, and does not need to transmit SRS (including periodic SRS) And semi-static SRS).
- CSI including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH
- the wake-up signal instructs the terminal device not to start drx-ondurationTimer at the moment of symbol n, which can also be understood as the wake-up signal instructs the terminal device not to start drx-ondurationTimer containing the symbol n.
- drx-ondurationTimer means that the drx-ondurationTimer contains the symbol n during operation.
- Case 2 If the terminal device does not detect the wake-up signal at the third moment, and the terminal device does not start the first timer at the second moment, the terminal device does not Transmitting the target signal; wherein the third time is later than the first time and earlier than the second time; the running period of the first timer is the DRX activation time.
- the third moment is the configured wake-up signal time. If the terminal device does not detect the wake-up signal at the configured wake-up signal time, and the terminal device does not start drx-ondurationTimer at the time of symbol n , The terminal device does not need to report CSI (including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH) at the position of symbol n, and does not need to transmit SRS (including periodic SRS and semi-static SRS).
- CSI including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH
- Case 3 If the terminal device detects the wake-up signal at the third moment, and the wake-up signal indicates that the target signal is not transmitted at the second moment, the terminal device does not transmit the target at the second moment Signal; wherein, the third time is later than the first time and earlier than the second time; the running period of the first timer is the DRX activation time.
- the third moment is the configured wake-up signal time. If the terminal device detects the wake-up signal at the configured wake-up signal time, and the wake-up signal indicates that the terminal device does not need to report at the time of symbol n CSI and no need to transmit SRS, the terminal device at the position of symbol n may not report CSI (including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH), and does not need to transmit SRS (including Periodic SRS and semi-static SRS).
- CSI including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH
- SRS including Periodic SRS and semi-static SRS
- the terminal device determines that symbol n is not in the DRX activation time at the first moment, the terminal device does not need to report CSI at the position of symbol n (including CSI and/or periodically transmitted on PUCCH). Or semi-static CSI transmitted on PUSCH), and no need to transmit SRS (including periodic SRS and semi-static SRS).
- FIG. 6 is a schematic diagram of the second flow of a signal transmission method provided by an embodiment of this application. As shown in FIG. 6, the signal transmission method includes the following steps:
- Step 601 The terminal device determines a first offset of the time of the wake-up signal with respect to the reference time; the first offset is greater than or equal to a first threshold.
- the wake-up signal may also be referred to as an energy-saving signal.
- the wake-up signal is carried in the PDCCH. Based on this, the wake-up signal may also be called PDCCH-WUS.
- the configuration of the wake-up signal at least includes: a first offset.
- the first offset is used to indicate the offset of the time of the wake-up signal with respect to the reference time.
- the reference time is the start time of the first timer
- the running period of the first timer is the DRX activation time.
- the first timer is drx-ondurationTimer.
- the first offset is greater than or equal to a first threshold.
- the first threshold is 4 ms.
- Step 602 The terminal device determines at the first time whether the second time is in the DRX activation time; the first time is earlier than the second time, and the time between the first time and the second time The interval is greater than or equal to the first threshold.
- the terminal device judges whether the second time is in the DRX activation time at the first time before the second time.
- the time interval between the first time and the second time is greater than or equal to the first threshold.
- the first threshold is 4 ms.
- the terminal device determines whether to transmit the target signal based on at least one of the following: uplink scheduling message, downlink scheduling message, DRX command MAC CE, long DRX command MAC CE, scheduling request message.
- the terminal device determines whether the second moment is in the DRX activation time according to the actual received wake-up signal.
- the following is an example.
- Case 1 The terminal device does not detect the wake-up signal at the third moment, the terminal device does not start the first timer, and the terminal device determines that the second moment is not in the DRX activation time; where The third time is earlier than or equal to the first time; the running period of the first timer is the DRX activation time.
- Case 2 The terminal device detects the wake-up signal at the third moment, and the wake-up signal indicates to start the first timer, the terminal device determines that the second moment is in the DRX activation time; wherein, the The third time is earlier than or equal to the first time; the running period of the first timer is the DRX activation time.
- Step 603 If the second time is at the DRX activation time, the terminal device transmits the target signal at the second time; if the second time is not at the DRX activation time, the terminal device is at the first time. The target signal is not transmitted at the second moment.
- the target signal includes at least one of the following: CSI and SRS.
- the CSI includes at least one of the following: CSI transmitted on the PUCCH periodically, and CSI transmitted on the PUSCH semi-statically.
- the SRS includes at least one of the following: periodic SRS and semi-static SRS.
- the time interval between the first time and the second time (that is, the DRX uncertain period) is 4 ms, that is, the first time is earlier than the The second moment is 4ms.
- the first offset of the time of the wake-up signal with respect to the reference time is greater than 4 ms. It is necessary for the terminal device to determine whether the symbol n is in the DRX activation time at least 4 ms in advance (that is, before the first moment) to consider the following events:
- At least one of the following received by the terminal device an uplink scheduling (grants) message, a downlink scheduling (assignments) message, a DRX Command MAC CE, a Long DRX Command MAC CE, and a scheduling request message sent by the terminal device.
- an uplink scheduling (grants) message a downlink scheduling (assignments) message
- a DRX Command MAC CE a Long DRX Command MAC CE
- a scheduling request message sent by the terminal device.
- the terminal device if the terminal device does not receive the wake-up signal, the terminal device does not start the drx-ondurationTimer, and determines that the symbol n is not in the DRX activation time. Or, ii) if the terminal device receives a wake-up signal, and the wake-up signal instructs the terminal device to start drx-ondurationTimer (or instructs the terminal device to monitor PDCCH), the terminal device starts drx-ondurationTimer at the start time of drx-ondurationTimer, And it is determined that the symbol n is in the DRX activation time.
- the terminal device determines that symbol n is in the DRX activation time at the first moment, the terminal device reports CSI at the position of symbol n (including CSI periodically transmitted on PUCCH and/or semi-static CSI transmitted on PUSCH) and SRS (including periodic SRS and semi-static SRS).
- the terminal device determines that the symbol n is not in the DRX activation time at the first moment, the terminal device does not need to report the CSI at the position of the symbol n (including the CSI and/or periodically transmitted on the PUCCH). Or semi-static CSI transmitted on PUSCH), and no need to transmit SRS (including periodic SRS and semi-static SRS).
- the terminal device determines whether to transmit the target signal based on the wake-up signal, so that the terminal device can realize when the wake-up signal instructs the terminal device not to start drx-ondurationTimer or when the terminal device does not detect the wake-up signal
- the target signal is not transmitted, so that the purpose of power saving can be achieved.
- FIG. 8 is a schematic diagram 1 of the structural composition of a signal transmission device provided by an embodiment of the application. As shown in FIG. 8, the signal transmission device includes:
- the determining unit 801 is configured to determine the first offset of the wake-up signal time relative to the reference time; the first offset is less than or equal to the first threshold;
- the judging unit 802 is configured to judge whether the second time is in the DRX activation time at the first time; the first time is earlier than the second time, and the time interval between the first time and the second time Greater than or equal to the first threshold;
- the processing unit 803 is configured to: if the second moment is in the DRX activation time, it is estimated that the target signal needs to be transmitted at the second moment; if the second moment is not in the DRX activation time, not at the second moment Transmit the target signal.
- the processing unit 803 is further configured to: if the wake-up signal is detected at the third moment, and the wake-up signal indicates that the first timer is not to be started at the second moment, The target signal is not transmitted at the second moment;
- the third time is later than the first time and earlier than the second time; the running period of the first timer is the DRX activation time.
- the processing unit 803 is further configured to: if the wake-up signal is not detected at the third moment and the first timer is not started at the second moment, perform the The target signal is not transmitted at time; wherein, the third time is later than the first time and earlier than the second time; the running period of the first timer is the DRX activation time.
- the processing unit 803 is further configured to: if the wake-up signal is detected at the third moment, and the wake-up signal indicates that the target signal is not to be transmitted at the second moment, then The target signal is not transmitted at the second time; wherein, the third time is later than the first time and earlier than the second time; the running period of the first timer is the DRX activation time.
- the reference time is the start time of the first timer
- the running period of the first timer is the DRX activation time
- the determining unit 802 is further configured to determine whether to transmit the target signal based on at least one of the following: uplink scheduling message, downlink scheduling message, DRX command MAC CE, long DRX command MAC CE, scheduling Request message.
- the judging unit 802 judges whether to transmit the target signal when the wake-up signal indicates to start the first timer by default, and the running period of the first timer is the DRX activation time .
- the processing unit 803 is further configured to perform a preparation operation for transmitting the target signal when it is estimated that the target signal needs to be transmitted at the second moment.
- the target signal includes at least one of the following: CSI and SRS.
- the CSI includes at least one of the following:
- the SRS includes at least one of the following:
- Periodic SRS Periodic SRS, semi-static SRS.
- FIG. 9 is a schematic diagram 2 of the structural composition of a signal transmission device provided by an embodiment of the application. As shown in FIG. 9, the signal transmission device includes:
- the determining unit 901 is configured to determine a first offset of the wake-up signal time relative to the reference time; the first offset is greater than or equal to a first threshold;
- the judging unit 902 is configured to judge whether the second time is in the DRX activation time at the first time; the first time is earlier than the second time, and the time interval between the first time and the second time Greater than or equal to the first threshold;
- the processing unit 903 is configured to transmit the target signal at the second time if the second time is at the DRX activation time; if the second time is not at the DRX activation time, then not transmit the target at the second time signal.
- the judging unit 902 is configured to not start the first timer if the wake-up signal is not detected at the third moment and determine that the second moment is not in the DRX activation time;
- the third time is earlier than or equal to the first time; the running period of the first timer is the DRX activation time.
- the judging unit 902 is configured to detect the wake-up signal at the third moment, and the wake-up signal indicates to start the first timer, then it is determined that the second moment is in the DRX activation time ;
- the third time is earlier than or equal to the first time; the running period of the first timer is the DRX activation time.
- the reference time is the start time of the first timer
- the running period of the first timer is the DRX activation time
- the determining unit 902 is further configured to determine whether to transmit the target signal based on at least one of the following: uplink scheduling message, downlink scheduling message, DRX command MAC CE, long DRX command MAC CE, scheduling Request message.
- the target signal includes at least one of the following: CSI and SRS.
- the CSI includes at least one of the following:
- the SRS includes at least one of the following:
- Periodic SRS Periodic SRS, semi-static SRS.
- FIG. 10 is a schematic structural diagram of a communication device 1000 according to an embodiment of the present application.
- the communication device may be a terminal device or a network device.
- the communication device 1000 shown in FIG. 10 includes a processor 1010.
- the processor 1010 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the communication device 1000 may further include a memory 1020.
- the processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiment of the present application.
- the memory 1020 may be a separate device independent of the processor 1010, or may be integrated in the processor 1010.
- the communication device 1000 may further include a transceiver 1030, and the processor 1010 may control the transceiver 1030 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
- the transceiver 1030 may include a transmitter and a receiver.
- the transceiver 1030 may further include an antenna, and the number of antennas may be one or more.
- the communication device 1000 may specifically be a network device of an embodiment of the application, and the communication device 1000 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, details are not repeated here. .
- the communication device 1000 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 1000 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
- I won’t repeat it here.
- FIG. 11 is a schematic structural diagram of a chip of an embodiment of the present application.
- the chip 1100 shown in FIG. 11 includes a processor 1110, and the processor 1110 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
- the chip 1100 may further include a memory 1120.
- the processor 1110 can call and run a computer program from the memory 1120 to implement the method in the embodiment of the present application.
- the memory 1120 may be a separate device independent of the processor 1110, or may be integrated in the processor 1110.
- the chip 1100 may further include an input interface 1130.
- the processor 1110 can control the input interface 1130 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
- the chip 1100 may further include an output interface 1140.
- the processor 1110 can control the output interface 1140 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
- the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
- the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
- the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
- the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip.
- FIG. 12 is a schematic block diagram of a communication system 1200 according to an embodiment of the present application. As shown in FIG. 12, the communication system 1200 includes a terminal device 1210 and a network device 1220.
- the terminal device 1210 can be used to implement the corresponding function implemented by the terminal device in the above method
- the network device 1220 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
- the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
- the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
- the above-mentioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
- DSP Digital Signal Processor
- ASIC application specific integrated circuit
- FPGA Field Programmable Gate Array
- the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
- the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
- the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
- the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
- the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
- the volatile memory may be random access memory (Random Access Memory, RAM), which is used as an external cache.
- RAM random access memory
- SRAM static random access memory
- DRAM dynamic random access memory
- DRAM synchronous dynamic random access memory
- DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
- Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
- Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
- DR RAM Direct Rambus RAM
- the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
- the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
- the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application For the sake of brevity, I won’t repeat it here.
- the embodiments of the present application also provide a computer program product, including computer program instructions.
- the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
- the embodiment of the present application also provides a computer program.
- the computer program can be applied to the network device in the embodiment of the present application.
- the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
- I won’t repeat it here.
- the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
- the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process is not repeated here.
- the disclosed system, device, and method may be implemented in other ways.
- the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
- the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
- the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .
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Abstract
本申请实施例提供一种信号传输方法及装置、终端设备,该方法包括:终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值;所述终端设备在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;若所述第二时刻处于DRX激活时间,则所述终端设备估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
Description
本申请实施例涉及移动通信技术领域,具体涉及一种信号传输方法及装置、终端设备。
在第五代(5
th Generation,5G)新无线(New Radio,NR)系统中,网络可以为终端设备配置非连续接收(Discontinuous Reception,DRX)功能,使终端设备非连续地监听物理下行控制信道(Physical Downlink Control Channel,PDCCH),以达到终端设备省电的目的。
DRX激活时间(Active Time)是DRX功能的一个重要概念,如果终端设备配置了DRX功能,则终端设备需要在DRX激活时间监听PDCCH。另一方面,终端设备需要提前一定的时间(如4ms)来判断某个符号(symbol)是否处于DRX激活时间,进而决定是否发送信道状态信息(Channel State Information,CSI)/探测参考信号(Sounding Reference Signal,SRS)。然而,唤醒信号的引入会对判断symbol是否处于DRX激活时间有影响,导致CSI/SRS的上报具有不确定性。
发明内容
本申请实施例提供一种信号传输方法及装置、终端设备。
本申请实施例提供的信号传输方法,包括:
终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值;
所述终端设备在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;
若所述第二时刻处于DRX激活时间,则所述终端设备估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
本申请实施例提供的信号传输方法,包括:
终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量大于等于第一阈值;
所述终端设备在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;
若所述第二时刻处于DRX激活时间,则所述终端设备在所述第二时刻传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
本申请实施例提供的信号传输装置,包括:
确定单元,用于确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值;
判断单元,用于在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;
处理单元,用于若所述第二时刻处于DRX激活时间,则估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则在所述第二时刻不传输目标信号。
本申请实施例提供的信号传输装置,包括:
确定单元,用于确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量大于等于第一阈值;
判断单元,用于在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;
处理单元,用于若所述第二时刻处于DRX激活时间,则在所述第二时刻传输目标信号;若所述第二时刻未处于DRX激活时间,则在所述第二时刻不传输目标信号。
本申请实施例提供的终端设备,包括处理器和存储器。该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,执行上述的信号传输方法。
本申请实施例提供的芯片,用于实现上述的信号传输方法。
具体地,该芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有该芯片的设备执行上述的信号传输方法。
本申请实施例提供的计算机可读存储介质,用于存储计算机程序,该计算机程序使得计算机执行上述的信号传输方法。
本申请实施例提供的计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行上述的信号传输方法。
本申请实施例提供的计算机程序,当其在计算机上运行时,使得计算机执行上述的信号传输方法。
通过上述技术方案,在终端设备配置了唤醒信号(Wake Up Signalling,WUS)的时候,终端设备提前一定的时间间隔判断第二时刻(如符号n)是否处于DRX激活时间,终端设备考虑了唤醒信号这一因素来决定是否上报目标信号(如CSI和/或SRS),使得在引入唤醒信号的时候可以明确第二时刻是否处于DRX激活时间以及是否上报目标信号。
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1是本申请实施例提供的一种通信系统架构的示意性图;
图2是本申请实施例提供的DRX周期的示意图;
图3是本申请实施例提供的时间示意图一;
图4为本申请实施例提供的信号传输方法的流程示意图一;
图5是本申请实施例提供的时间示意图二;
图6为本申请实施例提供的信号传输方法的流程示意图二;
图7是本申请实施例提供的时间示意图三;
图8为本申请实施例提供的信号传输装置的结构组成示意图一;
图9为本申请实施例提供的信号传输装置的结构组成示意图二;
图10是本申请实施例提供的一种通信设备示意性结构图;
图11是本申请实施例的芯片的示意性结构图;
图12是本申请实施例提供的一种通信系统的示意性框图。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统,例如:长期演进(Long Term Evolution,LTE)系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、系统、5G通信系统或未来的通信系统等。
示例性的,本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110,网络设备110可以是与终端120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端进行通信。可选地,该网络设备110可以是LTE系统中的演进型基站(Evolutional Node B,eNB或eNodeB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来通信系统中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端120。作为在此使用的“终端”包括但不限于经由有线线路连接,如经由公共交换电话网络(Public Switched Telephone Networks,PSTN)、数字用户线路(Digital Subscriber Line,DSL)、数字电缆、直接电缆连接;和/或另一数据连接/网络;和/或经由无线接口,如,针对蜂窝网络、无线局域网(Wireless Local Area Network,WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器;和/或另一终端的被设置成接收/发送通信信号的装置;和/或物联网(Internet of Things,IoT)设备。被设置成通过无线接口通信的终端可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话;可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System,PCS)终端;可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System,GPS)接收器的PDA;以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端可以指接入终端、用户设备(User Equipment,UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端或者未来演进的PLMN中的终端等。
可选地,终端120之间可以进行终端直连(Device to Device,D2D)通信。
可选地,5G通信系统或5G网络还可以称为新无线(New Radio,NR)系统或NR网络。
图1示例性地示出了一个网络设备和两个终端,可选地,该通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端,本申请实施例对此不做限定。
可选地,该通信系统100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统100为例,通信设备可包括具有通信功能的网络设备110和终端120,网络设备110和终端120可以为上文所述的具体设备,此处不再赘述;通信设备还可包括通信系统100中的其他设备,例如网络控制器、移动管理实体等其他网络实体,本申请实施例中对此不做限定。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
为便于理解本申请实施例的技术方案,以下对本申请实施例相关的技术方案进行说明。
在5G NR中,网络可以为终端设备配置DRX功能,使终端设备非连续地监听PDCCH,以达到终端设备省电的目的。具体地,每个媒质接入控制(Medium Access Control,MAC)实体有一个DRX配置,DRX配置中包含的参数如下:
-drx-onDurationTimer:用于指示终端设备从一个DRX周期(DRX Cycle)的开始时刻醒来的持续时间。
-drx-SlotOffset:用于指示终端设备启动drx-onDurationTimer的时延。
-drx-InactivityTimer:用于指示当终端设备收到一个指示上行初传或者下行初传的PDCCH后,终端设备继续监听PDCCH的持续时间。
-drx-RetransmissionTimerDL:用于指示终端设备监听指示下行重传调度的PDCCH的最长持续时间。进一步,除广播混合自动重传请求(Hybrid Automatic Repeat reQuest,HARQ)进程之外的每个下行HARQ进程对应一个drx-RetransmissionTimerDL。
-drx-RetransmissionTimerUL:用于指示终端设备监听指示上行重传调度的PDCCH的最长持续时间。进一步,每个上行HARQ进程对应一个drx-RetransmissionTimerUL。
-drx-LongCycleStartOffset:用于配置长DRX周期(Long DRX cycle),以及Long DRX cycle的开始时刻和短DRX周期(short DRX cycle)的开始时刻之间的子帧偏移。
-drx-ShortCycle:用于配置Short DRX cycle,为可选配置。
-drx-ShortCycleTimer:用于指示终端设备处于Short DRX cycle(并且没有接收到任何PDCCH)的持续时间,为可选配置。
-drx-HARQ-RTT-TimerDL:用于指示终端设备期望接收到指示下行调度的PDCCH需要的的最少等待时间。进一步,除广播HARQ进程之外的每个下行HARQ进程对应一个drx-HARQ-RTT-TimerDL。
-drx-HARQ-RTT-TimerUL:用于指示终端设备期望接收到指示上行调度的PDCCH需要的最少等待时间。进一步,每个上行HARQ进程对应一个drx-HARQ-RTT-TimerUL。
如果终端设备配置了DRX,则终端设备需要在DRX激活时间监听PDCCH。DRX激活时间的确定包括如下几种情况:
1)drx-onDurationTimer、drx-InactivityTimer、drx-RetransmissionTimerDL、drx-RetransmissionTimerUL以及ra-ContentionResolutionTimer,这5个定时器中的任何 一个定时器运行期间,为DRX激活时间。
2)终端设备在物理上行控制信道(Physical Uplink Control Channel,PUCCH)上发送了调度请求(Scheduling Request,SR)并处于悬挂(pending)状态的期间为DRX激活时间。
3)在基于竞争的随机接入过程中,终端设备在成功接收到随机接入响应后还没有接收到小区无线网络临时标识(Cell-Radio Network Tempory Identity,C-RNTI)加扰的PDCCH指示的一次初始传输的期间为DRX激活时间。
终端设备根据当前是处于short DRX cycle还是long DRX cycle,来决定启动drx-onDurationTimer的时间,具体规定如下:
1>如果使用的是short DRX cycle,并且当前子帧满足[(SFN×10)+subframe number]modulo(drx-ShortCycle)=(drx-StartOffset)modulo(drx-ShortCycle);或者,如果使用的是Long DRX Cycle,并且当前子帧满足[(SFN×10)+subframe number]modulo(drx-LongCycle)=drx-StartOffset,则:
2>在当前子帧开始的drx-SlotOffset个时隙(slot)之后的时刻启动drx-onDurationTimer。其中,DRX cycle和DRX激活时间(也称为持续时间(On Duration))如图2所示。
CSI的传输也可以称为CSI的上报,SRS的传输也可以称为SRS的发送。参照图3,对于CSI的上报和SRS的发送有如下规定:终端设备判断在symbol n是否要传输SRS以及是否要上报CSI,是基于提前4ms的时间(可以称为DRX不确定时段(DRX ambiguity period))来假设symbol n是否处于DRX激活时间的。也就是说,终端设备提前4ms判断symbol n是否为DRX激活时间,如果symbol n不是DRX激活时间,则终端设备不传输CSI/SRS。
终端设备提前判断CSI/SRS是否上报的事件取决于:上行调度(grants)消息、下行调度或者说下行分配(assignments)消息、DRX命令MAC CE(DRX Command MAC CE)、长DRX命令MAC CE(Long DRX Command MAC CE)以及调度请求消息。
需要说明的是,提前4ms判断symbol n是否为DRX激活时间主要是考虑在NR系统中,终端设备收到物理下行共享信道(Physical Downlink Share Channel,PDSCH)到对该PDSCH的反馈为固定的最小时间为3ms,为了折中,提前的时间定为4ms,也就是说4ms对于终端设备来说已经足够判断PDCCH是否检测成功,以及PDSCH是否检测成功。
在NR中,引入了唤醒信号的概念,唤醒信号也可以称为节能信号(power saving signal)。具体地,终端设备在启动drx-ondurationTimer之前会在一个固定的时间(该时间与drx-ondurationTimer的启动时间具有一个偏移量)去盲检用于承载唤醒信号的PDCCH,这里,唤醒信号也可以称为PDCCH-WUS(PDCCH-based power saving signalling),如果终端设备检测到PDCCH-WUS且该PDCCH-WUS指示终端设备启动drx-ondurationTimer,则终端设备启动drx-ondurationTimer,其他情况下终端设备不会启动drx-ondurationTimer。
引入PDCCH-WUS会对终端设备判断某个符号(假设为symbol n)是否处于DRX激活时间有影响,由于PDCCH-WUS配置的偏移量没有最终确定,该偏移量有可能会大于4ms,也有可能会小于4ms。如果该偏移量大于4ms,则终端设备并没有基于PDCCH-WUS去判断symbol n是否为DRX激活时间;如果该偏移量小于4ms,则终端设备在判断symbol n是否为DRX激活时间应该考虑PDCCH-WUS的指示。另外,当网 络通过PDCCH-WUS指示终端设备不需要启动drx-ondurationTimer时,终端设备是否需要上报CSI/SRS也需要明确。为此,提出了本申请实施例的以下技术方案。
图4为本申请实施例提供的信号传输方法的流程示意图一,如图4所示,所述信号传输方法包括以下步骤:
步骤401:终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值。
本申请实施例中,所述唤醒信号也可以称为节能信号。在一实施方式中,所述唤醒信号承载在PDCCH中,基于此,所述唤醒信号也可以称为PDCCH-WUS。
在本申一可选实施方式中,所述唤醒信号的配置中至少包括:第一偏移量。所述第一偏移量用于指示所述唤醒信号的时间相对于参考时间的偏移量。进一步,可选地,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。具体实现时,所述第一定时器为drx-ondurationTimer。
本申请实施例中,所述第一偏移量小于等于第一阈值。在一可选实施方式中,所述第一阈值为4ms。
步骤402:所述终端设备在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值。
本申请实施例中,所述终端设备在第二时刻之前的第一时刻判断该第二时刻是否处于DRX激活时间。这里,所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值,在一可选实施方式中,所述第一阈值为4ms。
在本申请一可选实施方式中,所述终端设备基于以下至少之一判断是否传输目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。进一步,所述终端设备在默认所述唤醒信号指示启动第一定时器的情况下,判断是否传输所述目标信号,所述第一定时器运行期间为DRX激活时间。具体实现时,所述第一定时器为drx-ondurationTimer。
步骤403:若所述第二时刻处于DRX激活时间,则所述终端设备估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
这里,所述终端设备估计在所述第二时刻需要传输目标信号的情况下,所述终端设备执行传输所述目标信号的准备操作,例如准备组装所述目标信号。
在本申请一可选实施方式中,所述目标信号包括以下至少之一:CSI、SRS。
进一步,所述CSI包括以下至少之一:周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
进一步,所述SRS包括以下至少之一:周期性SRS、半静态SRS。
具体实现时,参照图5,假设第二时刻为符号n,第一时刻与所述第二时刻之间的时间间隔(即DRX不确定时段)为4ms,即所述第一时刻早于所述第二时刻4ms。唤醒信号的时间相对于参考时间的第一偏移量小于4ms。终端设备判断符号n是否处于DRX激活时间需要提前至少4ms(即在所述第一时刻之前)考虑如下事件:
a、终端设备接收到的以下至少之一:上行调度(grants)消息、下行调度(assignments)消息、DRX Command MAC CE、Long DRX Command MAC CE,以及终端设备发送的调度请求消息。
b、终端设备假设唤醒信号指示启动第一定时器,这里,所述第一定时器为drx-ondurationTimer。
●基于上述a,b的事件,如果终端设备在第一时刻判断出符号n处于DRX激活时 间,则终端设备估计在符号n传输目标信号,开始执行所述目标信号的准备操作。
这里,终端设备在准备所述目标信号的期间,结合实际接收到的唤醒信号的情况来决定是否放弃(或者说忽略)在所述第二时刻传输所述目标信号。具体地,以下给出三种情况来举例说明。
情况一:若所述终端设备在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不启动第一定时器,则所述终端设备在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
具体地,参照图5,所述第三时刻为配置的唤醒信号的时间,如果在配置的唤醒信号的时间,终端设备检测到唤醒信号,且该唤醒信号指示终端设备在符号n的时刻不启动drx-ondurationTimer,则终端设备在符号n的位置可以不用上报CSI(包括周期性在PUCCH上传输的CSI和/或半静态的在PUSCH上传输的CSI),以及不需要传输SRS(包括周期性SRS以及半静态SRS)。
需要说明的是,所述唤醒信号指示终端设备在符号n的时刻不启动drx-ondurationTimer,也可以理解为所述唤醒信号指示终端设备不启动包含符号n的drx-ondurationTimer,这里,包含符号n的drx-ondurationTimer是指drx-ondurationTimer运行期间包含符号n。
情况二:若所述终端设备在第三时刻未检测到所述唤醒信号,且所述终端设备在所述第二时刻不启动第一定时器,则所述终端设备在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
具体地,参照图5,所述第三时刻为配置的唤醒信号的时间,如果在配置的唤醒信号的时间,终端设备没有检测到唤醒信号,且终端设备在符号n的时刻不启动drx-ondurationTimer,则终端设备在符号n的位置可以不用上报CSI(包括周期性在PUCCH上传输的CSI和/或半静态的在PUSCH上传输的CSI),以及不需要传输SRS(包括周期性SRS以及半静态SRS)。
情况三:若所述终端设备在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不传输目标信号,则所述终端设备在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
具体地,参照图5,所述第三时刻为配置的唤醒信号的时间,如果在配置的唤醒信号的时间,终端设备检测到唤醒信号,且该唤醒信号指示终端设备在符号n的时刻不用上报CSI以及不需要传输SRS,则终端设备在符号n的位置可以不用上报CSI(包括周期性在PUCCH上传输的CSI和/或半静态的在PUSCH上传输的CSI),以及不需要传输SRS(包括周期性SRS以及半静态SRS)。
●基于上述a,b的事件,如果终端设备在第一时刻判断出符号n未处于DRX激活时间,则终端设备在符号n的位置可以不用上报CSI(包括周期性在PUCCH上传输的CSI和/或半静态的在PUSCH上传输的CSI),以及不需要传输SRS(包括周期性SRS以及半静态SRS)。
图6为本申请实施例提供的信号传输方法的流程示意图二,如图6所示,所述信号传输方法包括以下步骤:
步骤601:终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量大于等于第一阈值。
本申请实施例中,所述唤醒信号也可以称为节能信号。在一实施方式中,所述唤 醒信号承载在PDCCH中,基于此,所述唤醒信号也可以称为PDCCH-WUS。
在本申一可选实施方式中,所述唤醒信号的配置中至少包括:第一偏移量。所述第一偏移量用于指示所述唤醒信号的时间相对于参考时间的偏移量。进一步,可选地,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。具体实现时,所述第一定时器为drx-ondurationTimer。
本申请实施例中,所述第一偏移量大于等于第一阈值。在一可选实施方式中,所述第一阈值为4ms。
步骤602:所述终端设备在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值。
本申请实施例中,所述终端设备在第二时刻之前的第一时刻判断该第二时刻是否处于DRX激活时间。这里,所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值,在一可选实施方式中,所述第一阈值为4ms。
在本申请一可选实施方式中,所述终端设备基于以下至少之一判断是否传输目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。
本申请实施例中,所述终端设备根据实际接收到的唤醒信号的情况来判断第二时刻是否处于DRX激活时间。以下举例说明。
情况一:所述终端设备在第三时刻未检测到所述唤醒信号,则所述终端设备不启动第一定时器,所述终端设备确定所述第二时刻未处于DRX激活时间;其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
情况二:所述终端设备在第三时刻检测到所述唤醒信号,且所述唤醒信号指示启动第一定时器,则所述终端设备确定所述第二时刻处于DRX激活时间;其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
步骤603:若所述第二时刻处于DRX激活时间,则所述终端设备在所述第二时刻传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
在本申请一可选实施方式中,所述目标信号包括以下至少之一:CSI、SRS。
进一步,所述CSI包括以下至少之一:周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
进一步,所述SRS包括以下至少之一:周期性SRS、半静态SRS。
具体实现时,参照图7,假设第二时刻为符号n,第一时刻与所述第二时刻之间的时间间隔(即DRX不确定时段)为4ms,即所述第一时刻早于所述第二时刻4ms。唤醒信号的时间相对于参考时间的第一偏移量大于4ms。终端设备判断符号n是否处于DRX激活时间需要提前至少4ms(即在所述第一时刻之前)考虑如下事件:
c、终端设备接收到的以下至少之一:上行调度(grants)消息、下行调度(assignments)消息、DRX Command MAC CE、Long DRX Command MAC CE,以及终端设备发送的调度请求消息。
d、终端设备接收到的唤醒信号。
这里,i)若终端设备未接收到唤醒信号,则所述终端设备不启动drx-ondurationTimer,并确定符号n未处于DRX激活时间。或者,ii)若终端设备接收到唤醒信号,且该唤醒信号指示终端设备启动drx-ondurationTimer(或者指示终端设备监听PDCCH),则所述终端设备在drx-ondurationTimer的起始时间启动drx-ondurationTimer,并确定符号n处于DRX激活时间。
●基于上述c,d的事件,如果终端设备在第一时刻判断出符号n处于DRX激活时间,则终端设备在符号n的位置上报CSI(包括周期性在PUCCH上传输的CSI和/或半静态的在PUSCH上传输的CSI),以及传输SRS(包括周期性SRS以及半静态SRS)。
●基于上述c,d的事件,如果终端设备在第一时刻判断出符号n未处于DRX激活时间,则终端设备在符号n的位置可以不用上报CSI(包括周期性在PUCCH上传输的CSI和/或半静态的在PUSCH上传输的CSI),以及不需要传输SRS(包括周期性SRS以及半静态SRS)。
本申请实施例的技术方案,终端设备基于唤醒信号来决定是否传输目标信号,使得终端设备可以在唤醒信号指示终端设备不启动drx-ondurationTimer的时候或者终端设备未检测到唤醒信号的时候,能够实现不传输目标信号,从而可以达到省电的目的。
图8为本申请实施例提供的信号传输装置的结构组成示意图一,如图8所示,所述信号传输装置包括:
确定单元801,用于确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值;
判断单元802,用于在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;
处理单元803,用于若所述第二时刻处于DRX激活时间,则估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则在所述第二时刻不传输目标信号。
在一可选实施方式中,所述处理单元803,还用于若在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不启动第一定时器,则在所述第二时刻不传输目标信号;
其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述处理单元803,还用于若在第三时刻未检测到所述唤醒信号,且在所述第二时刻不启动第一定时器,则在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述处理单元803,还用于若在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不传输目标信号,则在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述判断单元802,还用于基于以下至少之一判断是否传输所述目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。
在一可选实施方式中,所述判断单元802,在默认所述唤醒信号指示启动第一定时器的情况下,判断是否传输所述目标信号,所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述处理单元803,还用于在估计在所述第二时刻需要传输目标信号的情况下,执行传输所述目标信号的准备操作。
在一可选实施方式中,所述目标信号包括以下至少之一:CSI、SRS。
在一可选实施方式中,所述CSI包括以下至少之一:
周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
在一可选实施方式中,所述SRS包括以下至少之一:
周期性SRS、半静态SRS。
本领域技术人员应当理解,本申请实施例的上述信号传输装置的相关描述可以参照本申请实施例的信号传输方法的相关描述进行理解。
图9为本申请实施例提供的信号传输装置的结构组成示意图二,如图9所示,所述信号传输装置包括:
确定单元901,用于确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量大于等于第一阈值;
判断单元902,用于在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;
处理单元903,用于若所述第二时刻处于DRX激活时间,则在所述第二时刻传输目标信号;若所述第二时刻未处于DRX激活时间,则在所述第二时刻不传输目标信号。
在一可选实施方式中,所述判断单元902,用于在第三时刻未检测到所述唤醒信号,则不启动第一定时器并确定所述第二时刻未处于DRX激活时间;
其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述判断单元902,用于在第三时刻检测到所述唤醒信号,且所述唤醒信号指示启动第一定时器,则确定所述第二时刻处于DRX激活时间;
其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。
在一可选实施方式中,所述判断单元902,还用于基于以下至少之一判断是否传输所述目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。
在一可选实施方式中,所述目标信号包括以下至少之一:CSI、SRS。
在一可选实施方式中,所述CSI包括以下至少之一:
周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
在一可选实施方式中,所述SRS包括以下至少之一:
周期性SRS、半静态SRS。
本领域技术人员应当理解,本申请实施例的上述信号传输装置的相关描述可以参照本申请实施例的信号传输方法的相关描述进行理解。
图10是本申请实施例提供的一种通信设备1000示意性结构图。该通信设备可以是终端设备,也可以是网络设备,图10所示的通信设备1000包括处理器1010,处理器1010可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图10所示,通信设备1000还可以包括存储器1020。其中,处理器1010可以从存储器1020中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器1020可以是独立于处理器1010的一个单独的器件,也可以集成在处理器1010中。
可选地,如图10所示,通信设备1000还可以包括收发器1030,处理器1010可以 控制该收发器1030与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器1030可以包括发射机和接收机。收发器1030还可以进一步包括天线,天线的数量可以为一个或多个。
可选地,该通信设备1000具体可为本申请实施例的网络设备,并且该通信设备1000可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该通信设备1000具体可为本申请实施例的移动终端/终端设备,并且该通信设备1000可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
图11是本申请实施例的芯片的示意性结构图。图11所示的芯片1100包括处理器1110,处理器1110可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图11所示,芯片1100还可以包括存储器1120。其中,处理器1110可以从存储器1120中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器1120可以是独立于处理器1110的一个单独的器件,也可以集成在处理器1110中。
可选地,该芯片1100还可以包括输入接口1130。其中,处理器1110可以控制该输入接口1130与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片1100还可以包括输出接口1140。其中,处理器1110可以控制该输出接口1140与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的网络设备,并且该芯片可以实现本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该芯片可应用于本申请实施例中的移动终端/终端设备,并且该芯片可以实现本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
图12是本申请实施例提供的一种通信系统1200的示意性框图。如图12所示,该通信系统1200包括终端设备1210和网络设备1220。
其中,该终端设备1210可以用于实现上述方法中由终端设备实现的相应的功能,以及该网络设备1220可以用于实现上述方法中由网络设备实现的相应的功能为了简洁,在此不再赘述。
应理解,本申请实施例的处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机 存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
可以理解,本申请实施例中的存储器可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。应注意,本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解,上述存储器为示例性但不是限制性说明,例如,本申请实施例中的存储器还可以是静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)等等。也就是说,本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
本申请实施例还提供了一种计算机可读存储介质,用于存储计算机程序。
可选的,该计算机可读存储介质可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序产品,包括计算机程序指令。
可选的,该计算机程序产品可应用于本申请实施例中的网络设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序产品可应用于本申请实施例中的移动终端/终端设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选的,该计算机程序可应用于本申请实施例中的网络设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序可应用于本申请实施例中的移动终端/终端设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由移动终端/终端设 备实现的相应流程,为了简洁,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,)ROM、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。
Claims (43)
- 一种信号传输方法,所述方法包括:终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值;所述终端设备在第一时刻判断第二时刻是否处于非连续接收DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;若所述第二时刻处于DRX激活时间,则所述终端设备估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
- 根据权利要求1所述的方法,其中,所述方法还包括:若所述终端设备在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不启动第一定时器,则所述终端设备在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求1所述的方法,其中,所述方法还包括:若所述终端设备在第三时刻未检测到所述唤醒信号,且所述终端设备在所述第二时刻不启动第一定时器,则所述终端设备在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求1所述的方法,其中,所述方法还包括:若所述终端设备在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不传输目标信号,则所述终端设备在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求1至4中任一项所述的方法,其中,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。
- 根据权利要求1至5中任一项所述的方法,其中,所述方法还包括:所述终端设备基于以下至少之一判断是否传输所述目标信号:上行调度消息、下行调度消息、DRX命令媒体接入控制控制单元MAC CE、长DRX命令MAC CE、调度请求消息。
- 根据权利要求6所述的方法,其中,所述终端设备在默认所述唤醒信号指示启动第一定时器的情况下,判断是否传输所述目标信号,所述第一定时器运行期间为DRX激活时间。
- 根据权利要求1至7中任一项所述的方法,其中,所述终端设备估计在所述第二时刻需要传输目标信号的情况下,所述方法还包括:所述终端设备执行传输所述目标信号的准备操作。
- 根据权利要求1至8中任一项所述的方法,其中,所述目标信号包括以下至少之一:信道状态信息CSI、探测参考信号SRS。
- 根据权利要求9所述的方法,其中,所述CSI包括以下至少之一:周期性在物理上行控制信道PUCCH上传输的CSI、半静态在物理上行共享信道PUSCH上传输的CSI。
- 根据权利要求9或10所述的方法,其中,所述SRS包括以下至少之一:周期性SRS、半静态SRS。
- 一种信号传输方法,所述方法包括:终端设备确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量大于等于第一阈值;所述终端设备在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;若所述第二时刻处于DRX激活时间,则所述终端设备在所述第二时刻传输目标信号;若所述第二时刻未处于DRX激活时间,则所述终端设备在所述第二时刻不传输目标信号。
- 根据权利要求12所述的方法,其中,所述方法还包括:所述终端设备在第三时刻未检测到所述唤醒信号,则所述终端设备不启动第一定时器,所述终端设备确定所述第二时刻未处于DRX激活时间;其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求12所述的方法,其中,所述方法还包括:所述终端设备在第三时刻检测到所述唤醒信号,且所述唤醒信号指示启动第一定时器,则所述终端设备确定所述第二时刻处于DRX激活时间;其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求12至14中任一项所述的方法,其中,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。
- 根据权利要求12至15中任一项所述的方法,其中,所述方法还包括:所述终端设备基于以下至少之一判断是否传输所述目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。
- 根据权利要求12至16中任一项所述的方法,其中,所述目标信号包括以下至少之一:CSI、SRS。
- 根据权利要求17所述的方法,其中,所述CSI包括以下至少之一:周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
- 根据权利要求17或18所述的方法,其中,所述SRS包括以下至少之一:周期性SRS、半静态SRS。
- 一种信号传输装置,所述装置包括:确定单元,用于确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量小于等于第一阈值;判断单元,用于在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;处理单元,用于若所述第二时刻处于DRX激活时间,则估计在所述第二时刻需要传输目标信号;若所述第二时刻未处于DRX激活时间,则在所述第二时刻不传输目标信号。
- 根据权利要求20所述的装置,其中,所述处理单元,还用于若在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不启动第一定时器,则在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求20所述的装置,其中,所述处理单元,还用于若在第三时刻未检测到所述唤醒信号,且在所述第二时刻不启动第一定时器,则在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求20所述的装置,其中,所述处理单元,还用于若在第三时刻检测到所述唤醒信号,且所述唤醒信号指示在所述第二时刻不传输目标信号,则在所述第二时刻不传输目标信号;其中,所述第三时刻晚于所述第一时刻且早于所述第二时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求20至23中任一项所述的装置,其中,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。
- 根据权利要求20至24中任一项所述的装置,其中,所述判断单元,还用于基于以下至少之一判断是否传输所述目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。
- 根据权利要求25所述的装置,其中,所述判断单元,在默认所述唤醒信号指示启动第一定时器的情况下,判断是否传输所述目标信号,所述第一定时器运行期间为DRX激活时间。
- 根据权利要求20至26中任一项所述的装置,其中,所述处理单元,还用于在估计在所述第二时刻需要传输目标信号的情况下,执行传输所述目标信号的准备操作。
- 根据权利要求20至27中任一项所述的装置,其中,所述目标信号包括以下至少之一:CSI、SRS。
- 根据权利要求28所述的装置,其中,所述CSI包括以下至少之一:周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
- 根据权利要求28或29所述的装置,其中,所述SRS包括以下至少之一:周期性SRS、半静态SRS。
- 一种信号传输装置,所述装置包括:确定单元,用于确定唤醒信号的时间相对于参考时间的第一偏移量;所述第一偏移量大于等于第一阈值;判断单元,用于在第一时刻判断第二时刻是否处于DRX激活时间;所述第一时刻早于所述第二时刻,且所述第一时刻与所述第二时刻之间的时间间隔大于等于所述第一阈值;处理单元,用于若所述第二时刻处于DRX激活时间,则在所述第二时刻传输目标信号;若所述第二时刻未处于DRX激活时间,则在所述第二时刻不传输目标信号。
- 根据权利要求31所述的装置,其中,所述判断单元,用于在第三时刻未检测到所述唤醒信号,则不启动第一定时器并确定所述第二时刻未处于DRX激活时间;其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求31所述的装置,其中,所述判断单元,用于在第三时刻检测到所述唤醒信号,且所述唤醒信号指示启动第一定时器,则确定所述第二时刻处于DRX激活时间;其中,所述第三时刻早于或等于所述第一时刻;所述第一定时器运行期间为DRX激活时间。
- 根据权利要求31至33中任一项所述的装置,其中,所述参考时间为第一定时器的启动时间,所述第一定时器运行期间为DRX激活时间。
- 根据权利要求31至34中任一项所述的装置,其中,所述判断单元,还用于基于以下至少之一判断是否传输所述目标信号:上行调度消息、下行调度消息、DRX命令MAC CE、长DRX命令MAC CE、调度请求消息。
- 根据权利要求31至35中任一项所述的装置,其中,所述目标信号包括以下至少之一:CSI、SRS。
- 根据权利要求36所述的装置,其中,所述CSI包括以下至少之一:周期性在PUCCH上传输的CSI、半静态在PUSCH上传输的CSI。
- 根据权利要求36或37所述的装置,其中,所述SRS包括以下至少之一:周期性SRS、半静态SRS。
- 一种终端设备,包括:处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至11中任一项所述的方法、或者权利要求12至19中任一项所述的方法。
- 一种芯片,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至11中任一项所述的方法、或者权利要求12至19中任一项所述的方法。
- 一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至11中任一项所述的方法、或者权利要求12至19中任一项所述的方法。
- 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至11中任一项所述的方法、或者权利要求12至19中任一项所述的方法。
- 一种计算机程序,所述计算机程序使得计算机执行如权利要求1至11中任一项所述的方法、或者权利要求12至19中任一项所述的方法。
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