WO2020057317A1 - 传输指示信号的传输方法、网络设备及终端 - Google Patents
传输指示信号的传输方法、网络设备及终端 Download PDFInfo
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- WO2020057317A1 WO2020057317A1 PCT/CN2019/101972 CN2019101972W WO2020057317A1 WO 2020057317 A1 WO2020057317 A1 WO 2020057317A1 CN 2019101972 W CN2019101972 W CN 2019101972W WO 2020057317 A1 WO2020057317 A1 WO 2020057317A1
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
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- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
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Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a transmission method, a network device, and a terminal for transmitting an instruction signal.
- the terminal or network device needs to make Clear Channel Assess (CCA) / extended Channel Clear Assess (eCCA) Listening to the channel, that is, performing energy detection (ED), when the energy is below a certain threshold, the channel is determined to be empty before transmission can begin.
- CCA Clear Channel Assess
- eCCA extended Channel Clear Assess
- ED energy detection
- the channel is determined to be empty before transmission can begin.
- this contention-based access method causes uncertainty in the channel's available time.
- the transmittable position of the network-side signal transmission may be Has missed and could not send, this may cause the receiving end to not normally receive the signal configuration configured on the network side and terminal behavior based on the network configuration after signal reception, such as Physical Downlink Control Channel (PDCCH) monitoring, Monitoring and measurement of wireless environment.
- PDCCH Physical Downlink Control Channel
- Embodiments of the present disclosure provide a method, a network device, and a terminal for transmitting an indication signal, so as to solve a problem that a downlink signal cannot be normally received due to a terminal unable to receive a reference signal (RS) on an unlicensed frequency band.
- RS reference signal
- an embodiment of the present disclosure provides a method for transmitting a transmission indication signal, which is applied to a terminal side and includes:
- a transmission instruction signal is received on a part of the time-frequency resources occupied by the network device, where the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information, and the terminal behavior instruction information is used to indicate the terminal behavior.
- an embodiment of the present disclosure further provides a terminal, including:
- the first receiving module is configured to receive a transmission instruction signal on a part of the time-frequency resources occupied by the network device, where the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information. Used to indicate terminal behavior.
- an embodiment of the present disclosure provides a terminal.
- the terminal includes a processor, a memory, and a computer program stored on the memory and running on the processor.
- the computer program is executed by the processor, the foregoing transmission instruction signal is transmitted.
- an embodiment of the present disclosure provides a method for transmitting a transmission indication signal, which is applied to a network device side and includes:
- a transmission instruction signal is sent on some of the occupied time-frequency resources, where the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information, and the terminal behavior instruction information is used to indicate the terminal behavior.
- an embodiment of the present disclosure provides a network device, including:
- a first sending module configured to send a transmission instruction signal on some of the occupied time-frequency resources, where the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information, and the terminal behavior instruction information is used to indicate Terminal behavior.
- an embodiment of the present disclosure further provides a network device.
- the network device includes a processor, a memory, and a computer program stored on the memory and running on the processor.
- the processor executes the computer program, the transmission instruction signal is implemented. Steps of the transfer method.
- an embodiment of the present disclosure provides a computer-readable storage medium.
- the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the above-mentioned transmission instruction signal transmission method.
- the terminal according to the embodiment of the present disclosure can execute the corresponding terminal behavior according to the terminal behavior instruction information to avoid unnecessary behavior attempts, improve transmission performance, and save power consumption of the terminal.
- FIG. 1 shows a block diagram of a mobile communication system applicable to an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of a method for transmitting a transmission instruction signal on a terminal side according to an embodiment of the present disclosure
- FIG. 3 is a schematic diagram of resource mapping for transmitting an indication signal in Example 2 of the present disclosure
- FIG. 4 is a schematic diagram of resource mapping for transmitting an indication signal in Example 3 of the present disclosure
- FIG. 5 shows a first resource mapping diagram for transmitting an indication signal in Example 4 of the embodiment of the present disclosure
- FIG. 6 shows a second resource mapping diagram for transmitting an indication signal in Example 4 of the present disclosure
- FIG. 7 is a schematic diagram of resource mapping for transmitting an indication signal in a DRX scenario according to an embodiment of the present disclosure
- FIG. 8 is a schematic structural diagram of a module of a terminal according to an embodiment of the present disclosure.
- FIG. 9 shows a block diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 10 is a schematic flowchart of a method for transmitting a transmission instruction signal on a network device side according to an embodiment of the present disclosure
- FIG. 11 is a schematic structural diagram of a module of a network device according to an embodiment of the present disclosure.
- FIG. 12 shows a block diagram of a network device according to an embodiment of the present disclosure.
- LTE Long Term Evolution
- LTE-A LTE-Advanced
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single Carrier Frequency Single-carrier Frequency-Division Multiple Access
- SC-FDMA Single Carrier Frequency-Division Multiple Access
- system and “network” are often used interchangeably.
- the techniques described herein can be used for both the systems and radio technologies mentioned above as well as other systems and radio technologies. However, the following description describes the NR system for example purposes and uses NR terminology in much of the description below, although these techniques can also be applied to applications other than NR system applications.
- FIG. 1 is a block diagram of a wireless communication system applicable to an embodiment of the present disclosure.
- the wireless communication system includes a terminal 11 and a network device 12.
- the terminal 11 may also be referred to as a terminal device or a user terminal (User), and the terminal 11 may be a mobile phone, a tablet computer (laptop computer), a laptop computer (laptop computer), or a personal digital assistant (Personal Digital Assistant).
- PDA mobile Internet device
- MID mobile Internet Device
- Wearable Device wearable device
- vehicle-mounted devices such as terminal-side equipment
- the network device 12 may be a base station or a core network, where the base station may be a fifth generation mobile communication technology (fifth generation cellular network technology, 5G) and later versions of the base station (for example, gNB, 5G, NR, NB, etc.), or other communication
- the base station in the system for example: eNB, Wireless Local Area Network (WLAN) access point, or other access point, etc.
- the base station can be referred to as Node B, evolved Node B, access point, base Transceiver Station (Base Transceiver Station, BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB) , Home Node B, Home Evolution Node B, WLAN access point, Wireless Fidelity (WiFi) node or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to For specific technical vocabulary, it should be noted that, in the embodiment of
- the base station may communicate with the terminal 11 under the control of a base station controller.
- the base station controller may be part of the core network or some base stations.
- Some base stations can communicate control information or user data with the core network through the backhaul.
- some of these base stations may communicate with each other directly or indirectly through a backhaul link, which may be a wired or wireless communication link.
- Wireless communication systems can support operation on multiple carriers (waveform signals of different frequencies).
- Multi-carrier transmitters can transmit modulated signals on these multiple carriers simultaneously.
- each communication link may be a multi-carrier signal modulated according to various radio technologies.
- Each modulated signal can be sent on a different carrier and can carry control information (eg, reference signals, control channels, etc.), overhead information, data, and so on.
- the base station may perform wireless communication with the terminal 11 via one or more access point antennas. Each base station can provide communication coverage for its respective coverage area. The coverage area of an access point may be divided into sectors that constitute only a part of the coverage area.
- the wireless communication system may include different types of base stations (for example, a macro base station, a pico base station, or a pico base station). Base stations can also utilize different radio technologies, such as cellular or WLAN radio access technologies. Base stations can be associated with the same or different access networks or operator deployments. The coverage areas of different base stations (including the coverage areas of the same or different types of base stations, the coverage areas using the same or different radio technologies, or the coverage areas belonging to the same or different access networks) may overlap.
- the communication link in the wireless communication system may include an uplink for carrying uplink (Uplink, UL) transmission (for example, from the terminal 11 to the network device 12), or a bearer for downlink (Downlink, DL) Downlink for transmission (for example, from network device 12 to terminal 11).
- UL transmission may also be referred to as reverse link transmission
- DL transmission may also be referred to as forward link transmission.
- Downlink transmission can be performed using licensed frequency bands, unlicensed frequency bands, or both.
- uplink transmissions can be performed using licensed frequency bands, unlicensed frequency bands, or both.
- An embodiment of the present disclosure provides a transmission method of a transmission indication signal, which is applied to a terminal side. As shown in FIG. 2, the method includes the following steps:
- Step 21 Receive a transmission instruction signal on a part of the time-frequency resources occupied by the network device, where the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information.
- the terminal behavior indication information is used to indicate terminal behavior. Taking the NR system as an example, on an unlicensed frequency band of the NR, network equipment needs to monitor the channel before sending downlink information, and can only send downlink information after monitoring an idle channel and successfully occupying it.
- the transmission instruction signal is used to indicate that the network device successfully occupied the idle channel, that is, after the network device successfully occupied the idle channel, the transmission instruction signal is sent to the terminal.
- the network device may be sent multiple times in the occupied time-frequency resources to ensure that the terminal can receive the transmission instruction signal. In this way, after receiving the transmission instruction signal, the terminal may execute the corresponding terminal behavior according to the previously received terminal behavior instruction information.
- the terminal behavior instruction information is used to indicate that the terminal needs to perform the corresponding terminal behavior.
- the terminal behavior instruction information is pre-configured by the network device to the terminal, and can be specifically, but not limited to, through high-level signaling, such as radio resource control (Radio Resource Control, RRC) signaling, or Medium Access Control (MAC) Control Element (CE).
- RRC Radio Resource Control
- MAC Medium Access Control
- CE Control Element
- the transmission instruction signal of the embodiment of the present disclosure may be transmitted in the form of a physical signal or a physical channel.
- the transmission indication signal is transmitted in one of the following forms:
- DM demodulation reference signal (De-Modulation Reference Signal, DMRS);
- CSI-RS Channel State Information Reference Signal
- the preset sequence includes at least one of a ZC sequence, a Gold sequence, and an m sequence, that is, the preset sequence may be a ZC sequence, a Gold sequence, or an m sequence, or a plurality of the ZC sequence, the Gold sequence, and the m sequence. Collection of sequences.
- the preset sequence includes a modulation sequence formed by at least two modulations of a ZC sequence, a Gold sequence, and an m sequence, that is, the preset sequence may be a modulation of at least two sequences among a ZC sequence, a Gold sequence, and an m sequence.
- the transmission indication signal when transmitted in the form of a physical channel, it can be transmitted through the PDCCH.
- the transmission indication signal when transmitted in the form of a physical signal, it may be transmitted through at least one of a DMRS of a PDCCH, a DMRS of a PDSCH, a CSI-RS, and a preset sequence.
- the method further includes: receiving configuration information of a transmission instruction signal. That is, the network device can configure the transmission indication signal, where the configuration information includes but is not limited to: the transmission period of the transmission indication signal, the time slot in which it is located, and the orthogonal frequency division multiplexing in the slot (Orthogonal Frequency (Division, Multiplexing, OFDM) symbol position, the number of OFDM symbols in the slot, resource block (RB) and quasi co-location (QCL) relationship on the OFDM symbol.
- OFDM Orthogonal Frequency
- RB resource block
- QCL quasi co-location
- the QCL relationship includes: the transmission indication signal is quasi co-located with at least one of the following: a synchronization signal block (Synchronization Signal and PBCH Block, SSB), a discovery signal (discovery signal), and a CSI-RS. That is, the transmission indication signal may be quasi-co-located with the SSB, or the transmission indication signal may be quasi-co-located with the discovery signal, or the transmission indication signal may be quasi-co-located with the CSI-RS.
- a synchronization signal block Synchronet Access Signal and PBCH Block, SSB
- discovery signal discovery signal
- CSI-RS CSI-RS
- the transmission indication signal will be further described in combination with application examples of different transmission forms.
- Example 1 Transmission indication signal is transmitted in the form of PDCCH
- the configuration information of the transmission indication signal includes: PDCCH monitoring period, monitoring duration, slot offset, OFDM symbols in the slot, control resource set CORESET, and downlink control information (Downlink Control Information) , At least one of a DCI format, a DCI size, an aggregation level (AL) of a control channel element (CCE), and a monitored CCE candidate set.
- a radio network temporary identity can be defined for the PDCCH, and a specific RNTI is used to perform cyclic redundancy check (Cyclic Redundancy Check, CRC) scrambling for transmitting the transmission indication signal.
- CRC Cyclic Redundancy Check
- the terminal After detecting the DCI of the PDCCH as the transmission indication signal, the terminal obtains the start time (segment), duration, and end time (segment) of the channel for signal transmission occupied by the network device based on the indication therein. The terminal may determine at what time the downlink reception can be stopped according to the end time (period).
- Example 2 Transmission indication signal is transmitted in the form of DMRS of PDCCH
- the DMRS of the PDCCH is periodically sent. Once the terminal detects the DMRS of the PDCCH, it considers that the network device has obtained channel resources and can transmit. , The terminal thus performs subsequent reception.
- the DMRS of the PDCCH is a bandwidth DMRS, that is, a DMRS of the PDCCH exists on each RB in a control resource set (CORESET).
- the time domain position of the CORESET where the DMRS of the PDCCH is located may be predefined, for example, the 0th and / or 7th OFDM symbol of each slot is the starting position of the CORESET.
- the bandwidth DMRS is mapped on a resource element group (REG) of consecutive resource blocks RB in the control resource set CORESET, and the precoding granularity (Precoder) of CORESET is the same as the number of RBs included in CORESET.
- REG resource element group
- Precoder precoding granularity
- the configuration information of the transmission indication signal includes: the CORESET where the DMRS of the PDCCH is located and / or the time domain position of the CORESET.
- the network device in addition to the pre-defined time-frequency resource location of the CORESET of the PDCCH-DMRS, it can also be configured by the network device, such as by high-level signaling.
- the time resource of the CORESET of the DMRS transmitting the PDCCH may be periodic, that is, the network device may send a transmission instruction signal to the terminal at a fixed period.
- the network device transmits the DMRS of the PDCCH on the 0th and / or 7th OFDM symbols of each slot at a period of every 7 or 14 OFDM symbols in the COT after occupying the channel. This period can be predefined or configured by higher layer signaling.
- the CORESET of the DMRS of the PDCCH may be a CORESET occupying two OFDM symbols and a bandwidth of 48 RBs.
- Transmission indication signal is transmitted in the form of DMRS or CSI-RS of PDSCH
- the network equipment transmits the DMRS / CSI-RS of the PDSCH in the COT after occupying the channel. Once the terminal detects the DMRS / CSI-RS of the PDSCH, it considers that the network equipment has obtained the free channel resources and can transmit. Reception.
- the time domain position of the DMRS or CSI-RS of the PDSCH may be predefined, for example, fixed on the 3rd and 10th OFDM symbols of each slot for transmission.
- the time domain location of the DMRS or CSI-RS of the PDSCH may be configured by the network device.
- the time resource of the DMRS or CSI-RS transmitting the PDSCH may be periodic, that is, the network device may send a transmission instruction signal to the terminal at a fixed period.
- the network device transmits the PDSCH DMRS or the PDSCH on the 3rd and 10th OFDM symbols of each slot at a period of every 7 or 14 OFDM symbols in the COT after occupying the channel.
- CSI-RS this period can be predefined or configured by higher layer signaling.
- the DMRS or CSI-RS sent by the network device for the PDSCH may be predefined as full-band transmission, single-port transmission, or multi-port transmission.
- the network device may also configure the PDSCH or CSI-RS RBs occupied by the PDSCH transmission, the corresponding number of ports, a scrambling identifier (Identifier, ID), etc. through high-level signaling.
- the configuration information of the transmission indication signal includes: the OFDM symbol on which the DMRS of the PDSCH is located and / or the RB on the OFDM symbol.
- the PDSCH DMRS is transmitted on a transmission channel bandwidth corresponding to some or all RBs on an OFDM symbol.
- the configuration information of the transmission indication signal includes: the number of CSI-RS ports, the period, the location in the time domain, the location in the frequency domain, the density, and the code division multiplex. (CDM) at least one of a type, a power level, an RB in a time domain location, a scrambling ID, and a Transmission Configuration Indicator (TCI) status.
- CDM code division multiplex
- TCI Transmission Configuration Indicator
- the CSI-RS is transmitted on a transmission channel bandwidth corresponding to some or all RBs on an OFDM symbol.
- the CSI-RS can be configured in the form of a tracking reference signal (TRS).
- TRS tracking reference signal
- Example four the transmission instruction signal is transmitted in the form of a preset sequence
- the configuration information of the transmission indication signal includes: the generation parameters of the preset sequence, the period, and the time domain resources (such as the system frame, subframe, slot, OFDM symbol, etc.) At least one of transmission power, power level, and preset sequence.
- the time-frequency resources occupied by the transmission once may occupy multiple RBs on one OFDM symbol, or one RB on multiple OFDM symbols on one slot for transmission.
- the generation parameters of the preset sequence are related to time information of the channel occupation time COT of the network device, and the time information includes at least one of a start time, a duration, and an end time of the COT.
- the start time of the COT can also be called the start time (section) of the COT
- the end time of the COT can also be called the end time (section) of the COT.
- the terminal may obtain the COT information currently transmitted by the network device according to the detection of a preset sequence, such as the start time, duration, and end time of the COT.
- the preset sequence is periodically transmitted in the COT of the network device.
- the COT is transmitted in a cycle of 7 or 14 OFDM symbols.
- the transmission cycle and time domain resource location can be configured by higher-level signaling.
- the preset sequence can also be transmitted on some physical resource blocks (PRBs) within the channel bandwidth, that is, part of the PRB is reserved for the preset sequence for transmission, and the preset sequence can be within this RB bandwidth.
- PRBs physical resource blocks
- the preset sequence is transmitted on one RB.
- the preset sequence may also be transmitted on multiple RBs, and multiple RBs may be continuous or discontinuous.
- the transmitted RB (s) may be predefined or configured by higher layer signaling.
- m_0 and m_1 are cyclic shift values, 0 ⁇ n ⁇ M, and M represents a sequence length.
- the cyclic shift value and the sequence length may be predefined or configured by higher layer signaling.
- the cyclic shift value may be related to the cell ID.
- the cyclic shift value of different m sequences may be related to the information of the COT, and the information includes: the start time (segment) of the COT, the duration of the COT, and the end time (segment) of the COT.
- the terminal may determine at what time it can stop performing downlink reception according to the end time (period) of the COT.
- SSS Secondary Synchronization Signal
- the terminal can use the existing SSS-based measurement module to measure on 127 Resource Elements (RE).
- M 127
- the sequence is exactly the same as the SSS sequence. It should be noted that although the sequences are exactly the same, because SSS is not in a traditional SSB structure, that is, there is no primary synchronization signal (Primary synchronization) on adjacent resources. Signal (PSS), PBCH, PBCH-DMRS, so this signal may not be considered as an SSS.
- PSS Primary synchronization
- PBCH Physical synchronization
- PBCH-DMRS primary synchronization signal
- the m-sequence may be transmitted on discrete or continuous resources in the time and / or frequency direction.
- the transmission instruction signal is transmitted in the form of a ZC sequence
- the root index, sequence group number, sequence number, or cyclic shift value of the ZC sequence is predefined or configured by high-level signaling.
- the cyclic shift value may also be related to the cell ID.
- different ZC sequence root indexes, sequence group numbers, sequence numbers, or cyclic shift values may be related to COT information, which includes at least one of the following: the start time (segment) of the COT, the duration of the COT, and And / or the end time (segment) of the COT.
- the terminal may determine at what time it can stop performing downlink reception according to the end time (period) of the COT.
- the ZC sequence may be transmitted on discrete or continuous resources in the time and / or frequency direction.
- the transmission instruction signal is transmitted in the form of a Gold sequence.
- the initialization method of the Gold sequence is related to at least one of the following: the start time (segment) of the COT, the duration of the COT, the end time (segment) of the COT, and the cell ID , The number of the OFDM symbol where the sequence is located, etc.
- the terminal may determine at what time it can stop performing downlink reception according to the end time (period) of the COT. E.g:
- T COT is related information in the COT, for example, the slot indicating the end of the COT.
- the terminal can blindly check the sequence, and determine the value of the T COT according to the detection result, thereby determining the end slot of the COT.
- the terminal may not receive downlink PDCCH or PDSCH and other measurements based on downlink RS.
- the transmission indication signal is transmitted in the form of a modulation sequence, for example, the transmission indication signal is a modulation sequence after modulation of at least two sequences; the two sequences may be at least two of an m sequence, a ZC sequence, and a Gold sequence.
- Modulation here refers to: Modulation of two binary sequences at the bit level, that is, scrambling; or refers to: modulation at the symbol level, such as mapping at least one of the two sequences after the symbol Symbol-level multiplication. For example, the symbol level multiplication of two m sequences, and the symbol level multiplication of ZC sequence and Gold sequence.
- the terminal when the terminal works in a Discontinuous Reception (DRX) scenario, the terminal only needs to detect the transmission indication signal within the time period of the DRX active period (active or on duration). As shown in FIG. 7, the idle channel obtained by the network device starts from the first subframe, and the DRX active time of the terminal starts from the second subframe. The terminal only needs to detect the transmission indication signal during the DRX active period. The network device needs to periodically and repeatedly transmit the transmission indication signal in the occupied channel for signal transmission to ensure that different terminals with different DRX active times can detect the transmission indication signal as soon as possible.
- DRX active period active or on duration
- the terminal further includes: receiving a downlink physical signal or a downlink physical channel; wherein the downlink physical signal or the downlink physical channel and the transmission resource of the transmission instruction signal do not overlap.
- the downlink physical signal or downlink physical channel resources scheduled by the network device are the same as some of the RE / RB resources occupied by the transmission indicator signal, the downlink physical signal or downlink physical channel is not mapped on these RE / RBs, and the terminal considers the downlink physical signal or downlink The physical channel performs rate matching on these RE / RB resources.
- the downlink physical channel includes at least one of a physical downlink broadcast channel (Physical Broadcast Channel, PBCH), a PDCCH, and a PDSCH.
- PBCH Physical Broadcast Channel
- PDCCH Physical Broadcast Channel
- the terminal behavior indication information may be transmitted by a network device through high-level signaling or a media access control MAC control unit CE, and the terminal behavior indication information is used to instruct the terminal to perform at least one of the following behaviors:
- CSI measurement such as channel and / or interference measurement, including Layer 1 reference signal received power (L1-RSRP), channel quality indicator (CQI), precoding matrix indicator (Precoding matrix) Indicator (PMI), Rank Indication (RI), etc .;
- L1-RSRP Layer 1 reference signal received power
- CQI channel quality indicator
- Precoding matrix Precoding matrix
- PMI precoding matrix Indicator
- RI Rank Indication
- Radio Resource Management (RRM) measurements such as Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), and Received Signal Strength Indicator (RSSI) )Wait.
- RSRP Reference Signal Received Power
- RSRQ Reference Signal Received Quality
- RSSI Received Signal Strength Indicator
- the terminal may execute the corresponding terminal behavior according to the terminal behavior instruction information to avoid unnecessary behavior attempts, improve transmission performance, and save The terminal consumes power.
- the terminal 800 can implement receiving the transmission instruction signal on some resources of the time-frequency resources occupied by the network device in the foregoing embodiment, where the transmission instruction signal is used to instruct the terminal according to the terminal behavior
- the instruction information performs the corresponding terminal behavior.
- the terminal behavior instruction information is used to indicate the details of the terminal behavior method and achieve the same effect.
- the terminal 800 specifically includes the following functional modules:
- the first receiving module 810 is configured to receive a transmission instruction signal on a part of the time-frequency resources occupied by the network device, and the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information, and the terminal behavior instruction information is used to Indicate terminal behavior.
- the transmission instruction signal is transmitted in one of the following forms:
- the preset sequence includes at least one of a ZC sequence, a Gold sequence, and an m sequence, or the preset sequence includes a modulation sequence formed by at least two modulations in a ZC sequence, a Gold sequence, and an m sequence.
- the DMRS of the PDCCH is a bandwidth DMRS.
- the bandwidth DMRS is mapped on the resource element group REG of consecutive resource blocks RB in the control resource set CORESET, and the precoding granularity of CORESET is the same as the number of RBs included in CORESET.
- the time domain position of CORESET where the DMRS of the PDCCH is located is predefined.
- the time domain position of the DMRS or CSI-RS of the PDSCH is predefined.
- the terminal 800 further includes:
- the second receiving module is configured to receive configuration information of the transmission instruction signal.
- the configuration information includes: the transmission period of the transmission indicator signal, the slot slot in which it is located, the position of the OFDM symbol in the slot, the number of OFDM symbols in the slot, the resource block RB on the OFDM symbol, and the quasi co-location QCL relationship At least one.
- the QCL relationship includes: the transmission indication signal is quasi co-located with at least one of the following: a synchronization signal block SSB, a discovery signal, and a CSI-RS.
- the configuration information includes: PDCCH monitoring period, monitoring duration, slot offset, OFDM symbols in the slot, control resource set CORESET, downlink control information DCI format, DCI size, At least one of the control channel element CCE's aggregation level AL and the monitored CCE candidate set.
- the configuration information when the transmission indication signal is transmitted through the DMRS of the PDCCH, the configuration information includes: the time domain position of CORESET and / or CORESET where the DMRS of the PDCCH is located.
- the configuration information includes: the OFDM symbol on which the DMRS of the PDSCH is located and / or the RB on the OFDM symbol.
- the configuration information includes: the number of CSI-RS ports, the period, the time domain location, the frequency domain location, density, code division multiplexing CDM type, power size, At least one of the RB, the scramble ID, and the TCI state of the transmission control plane at the time domain location.
- the configuration information includes at least one of a parameter, a period, a time domain resource, a power level, and a transmission resource of the preset sequence.
- the generation parameters of the preset sequence are related to time information of the channel occupation time COT of the network device, and the time information includes at least one of a start time, a duration, and an end time of the COT.
- the terminal 800 further includes:
- the third receiving module is configured to receive a downlink physical signal or a downlink physical channel; wherein the downlink physical signal or the downlink physical channel and the transmission resource of the transmission instruction signal do not overlap.
- the downlink physical channel includes at least one of a physical downlink broadcast channel PBCH, a PDCCH, and a PDSCH.
- the terminal behavior instruction information is transmitted by a network device through high-level signaling or a media access control MAC control unit CE, and the terminal behavior instruction information is used to instruct the terminal to perform at least one of the following behaviors:
- the terminal according to the embodiment of the present disclosure can execute the corresponding terminal behavior according to the terminal behavior instruction information to avoid unnecessary behavior attempts, which can improve transmission performance and save terminal power consumption. .
- FIG. 9 is a schematic diagram of a hardware structure of a terminal for implementing the embodiments of the present disclosure.
- the terminal 90 includes, but is not limited to, a radio frequency unit 91, a network module 92, an audio output unit 93, The input unit 94, the sensor 95, the display unit 96, the user input unit 97, the interface unit 93, the memory 99, the processor 910, and the power source 911 and other components.
- the terminal structure shown in FIG. 9 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange different components.
- the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a car terminal, a wearable device, a pedometer, and the like.
- the radio frequency unit 91 is configured to send and receive data under the control of the processor 910, and is specifically configured to receive a transmission instruction signal on a part of the time-frequency resources occupied by the network device, and the transmission instruction signal is used to indicate the transmission instruction signal.
- the terminal executes the corresponding terminal behavior according to the terminal behavior instruction information, and the terminal behavior instruction information is used to indicate the terminal behavior;
- the terminal After receiving the transmission instruction signal, the terminal according to the embodiment of the present disclosure may perform corresponding terminal behaviors according to the terminal behavior instruction information to avoid unnecessary behavior attempts, improve transmission performance, and save power consumption of the terminal.
- the radio frequency unit 91 may be used to receive and send signals during the process of receiving and sending information or during a call. Specifically, the downlink data from the base station is received and processed by the processor 910; The uplink data is sent to the base station.
- the radio frequency unit 91 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
- the radio frequency unit 91 can also communicate with a network and other devices through a wireless communication system.
- the terminal provides users with wireless broadband Internet access through the network module 92, such as helping users to send and receive email, browse web pages, and access streaming media.
- the audio output unit 93 may convert audio data received by the radio frequency unit 91 or the network module 92 or stored in the memory 99 into audio signals and output them as sound. Moreover, the audio output unit 93 may also provide audio output (for example, a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the terminal 90.
- the audio output unit 93 includes a speaker, a buzzer, a receiver, and the like.
- the input unit 94 is used to receive audio or video signals.
- the input unit 94 may include a Graphics Processing Unit (GPU) 941 and a microphone 942.
- the graphics processor 941 pairs images of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. Data is processed.
- the processed image frames may be displayed on a display unit 96.
- the image frames processed by the graphics processor 941 may be stored in the memory 99 (or other storage medium) or transmitted via the radio frequency unit 91 or the network module 92.
- the microphone 942 can receive sound, and can process such sound into audio data.
- the processed audio data can be converted into a format that can be transmitted to a mobile communication base station via the radio frequency unit 91 in the case of a telephone call mode and output.
- the terminal 90 further includes at least one sensor 95, such as a light sensor, a motion sensor, and other sensors.
- the light sensor includes an ambient light sensor and a proximity sensor.
- the ambient light sensor can adjust the brightness of the display panel 961 according to the brightness of the ambient light.
- the proximity sensor can close the display panel 961 and / or when the terminal 90 is moved to the ear. Or backlight.
- an accelerometer sensor can detect the magnitude of acceleration in various directions (usually three axes).
- sensor 95 can also include fingerprint sensor, pressure sensor, iris sensor, molecular sensor, gyroscope, barometer, hygrometer, thermometer, infrared The sensors and the like are not repeated here.
- the display unit 96 is used to display information input by the user or information provided to the user.
- the display unit 96 may include a display panel 961, and the display panel 961 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
- LCD liquid crystal display
- OLED organic light-emitting diode
- the user input unit 97 may be used to receive inputted numeric or character information, and generate key signal inputs related to user settings and function control of the terminal.
- the user input unit 97 includes a touch panel 971 and other input devices 972.
- the touch panel 971 also known as a touch screen, can collect user's touch operations on or near it (for example, the user uses a finger, a stylus or any suitable object or accessory on the touch panel 971 or near the touch panel 971 operating).
- the touch panel 971 may include two parts, a touch detection device and a touch controller.
- the touch detection device detects the user's touch position, and detects the signal caused by the touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into contact coordinates, and sends it To the processor 910, receive the command sent by the processor 910 and execute it.
- the touch panel 971 may be implemented in various types such as a resistive type, a capacitive type, an infrared type, and a surface acoustic wave.
- the user input unit 97 may further include other input devices 972.
- other input devices 972 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, and details are not described herein again.
- the touch panel 971 may be overlaid on the display panel 961.
- the touch panel 971 detects a touch operation on or near the touch panel 971, the touch panel 971 is transmitted to the processor 910 to determine the type of the touch event.
- the type of event provides corresponding visual output on the display panel 961.
- the touch panel 971 and the display panel 961 are implemented as two independent components to implement input and output functions of the terminal, in some embodiments, the touch panel 971 and the display panel 961 may be integrated and Implement the input and output functions of the terminal, which are not limited here.
- the interface unit 93 is an interface through which an external device is connected to the terminal 90.
- the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, and audio input / output (Input / Output, I / O) port, video I / O port, headphone port, etc.
- the interface unit 93 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal 90 or may be used to connect the terminal 90 and the external device. Transfer data.
- the memory 99 can be used to store software programs and various data.
- the memory 99 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application required by a function (such as a sound playback function, an image playback function, etc.), etc .; the storage data area may store data according to Data (such as audio data, phone book, etc.) created by the use of mobile phones.
- the memory 99 may include a high-speed random access memory, and may further include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage device.
- the processor 910 is a control center of the terminal, and uses various interfaces and lines to connect various parts of the entire terminal. By running or executing software programs and / or modules stored in the memory 99, and calling data stored in the memory 99, execution is performed. Various functions and processing data of the terminal, so as to monitor the terminal as a whole.
- the processor 910 may include one or more processing units; optionally, the processor 910 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and an application program, etc.
- the tuning processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 910.
- the terminal 90 may further include a power source 911 (such as a battery) for supplying power to various components.
- a power source 911 such as a battery
- the power source 911 may be logically connected to the processor 910 through a power management system, thereby implementing management of charging, discharging, and power consumption management through the power management system. And other functions.
- the terminal 90 includes some functional modules that are not shown, and details are not described herein again.
- an embodiment of the present disclosure further provides a terminal including a processor 910, a memory 99, and a computer program stored on the memory 99 and executable on the processor 910.
- the terminal may be a wireless terminal or a wired terminal.
- the wireless terminal may be a device that provides voice and / or other business data connectivity to the user, a handheld device with a wireless connection function, or other processing equipment connected to a wireless modem.
- a wireless terminal can communicate with one or more core networks via a Radio Access Network (RAN).
- RAN Radio Access Network
- the wireless terminal can be a mobile terminal, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal
- a mobile terminal such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal
- it can be a portable, pocket, handheld, computer-built or vehicle-mounted mobile device that exchanges language and / or data with a wireless access network.
- PCS Personal Communication Service
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- a wireless terminal can also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a mobile station, a remote station, a remote terminal,
- the access terminal Access terminal
- user terminal User terminal
- user agent User agent
- user equipment User Equipment
- An embodiment of the present disclosure further provides a computer-readable storage medium.
- a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, each process of the foregoing transmission method signal transmission method embodiment is implemented, and can achieve The same technical effects are omitted here to avoid repetition.
- the computer-readable storage medium is, for example, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- the method for transmitting a transmission indication signal is applied to a network device side.
- the method includes the following steps:
- Step 101 Send a transmission instruction signal on a part of the occupied time-frequency resources, where the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information.
- the terminal behavior indication information is used to indicate the terminal behavior, for example, the terminal behavior indication information is used to instruct the terminal to perform at least one of the following behaviors: monitoring PDCCH; CSI measurement; radio resource management RRM measurement; beam management measurement; wireless link monitoring ; And, beam failure detection.
- the network device may send the terminal behavior instruction information to the terminal through high-level signaling or MAC CE.
- the transmission instruction signal is used to indicate that the network device successfully occupied the idle channel, that is, after the network device successfully occupied the idle channel, the transmission instruction signal is sent to the terminal to indicate that the terminal network device has successfully occupied the idle channel.
- the network device may send the transmission instruction signal multiple times in the occupied time-frequency resources to ensure that the terminal can receive the transmission instruction signal.
- the transmission instruction signal of the embodiment of the present disclosure may be transmitted in the form of a physical signal or a physical channel.
- the transmission indication signal is sent in one of the following forms:
- the preset sequence includes at least one of a ZC sequence, a Gold sequence, and an m sequence, that is, the preset sequence may be a ZC sequence, a Gold sequence, or an m sequence, or a plurality of the ZC sequence, the Gold sequence, and the m sequence. Collection of sequences.
- the preset sequence includes a modulation sequence formed by at least two modulations of a ZC sequence, a Gold sequence, and an m sequence, that is, the preset sequence may be a modulation of at least two of the ZC sequence, the Gold sequence, and the m sequence.
- the method further includes: sending configuration information of a transmission instruction signal to the terminal. That is, the network device can configure the transmission indication signal, where the configuration information includes but is not limited to: the transmission period of the transmission indication signal, the slot in which it is located, the position of the OFDM symbol in the slot, and the OFDM symbol in the slot. At least one of the number, the resource block RB on the OFDM symbol, and the quasi co-location QCL relationship.
- the QCL relationship includes: the transmission indication signal is quasi co-located with at least one of the following: a synchronization signal block SSB, a discovery signal, and a CSI-RS. That is, the transmission indication signal may be quasi-co-located with the SSB, or the transmission indication signal may be quasi-co-located with the discovery signal, or the transmission indication signal may be quasi-co-located with the CSI-RS.
- the transmission indication signal will be further described in combination with application examples of different transmission forms.
- the transmission instruction signal is sent in the form of PDCCH
- the configuration information of the transmission indication signal includes: the monitoring period of the PDCCH, the monitoring duration, the slot offset, the OFDM symbol in the slot, the control resource set CORESET, the downlink control information DCI format, and DCI. At least one of the size, the aggregation level AL of the control channel element CCE, and the monitored CCE candidate set.
- the transmission instruction signal is transmitted in the form of DMRS of the PDCCH
- the network device periodically sends the DMRS of the PDCCH within the channel occupation time COT after occupying the idle channel.
- the DMRS of the PDCCH is a bandwidth DMRS, that is, a DMRS of a PDCCH exists on each resource block RB in the control resource set CORESET.
- the time domain position of the CORESET where the DMRS of the PDCCH is located may be predefined, for example, the 0th and / or 7th OFDM symbol of each slot is the starting position of the CORESET.
- the bandwidth DMRS is mapped on the resource element group REG of consecutive resource blocks RB in the control resource set CORESET, and the precoding granularity of CORESET is the same as the number of RBs included in CORESET.
- the configuration information of the transmission indication signal includes: the CORESET where the DMRS of the PDCCH is located and / or the time domain position of the CORESET.
- the pre-defined time-frequency resource location of the CORESET of the PDCCH-DMRS it can also be configured by the network device, such as by high-level signaling.
- the transmission indication signal is sent in the form of DMRS or CSI-RS of PDSCH
- the network equipment occupies the COT after the channel and transmits the DMRS / CSI-RS of the PDSCH.
- the time domain position of the DMRS or CSI-RS of the PDSCH may be predefined, for example, fixed on the 3rd and 10th OFDM symbols of each slot for transmission.
- the time domain location of the DMRS or CSI-RS of the PDSCH may be configured by the network device.
- the time resource of the DMRS or CSI-RS for transmitting the PDSCH may be periodic, that is, the network device may send a transmission instruction signal to the terminal at a fixed period.
- the configuration information of the transmission indication signal includes: the OFDM symbol on which the DMRS of the PDSCH is located and / or the RB on the OFDM symbol.
- the PDSCH DMRS is transmitted on a transmission channel bandwidth corresponding to some or all RBs on an OFDM symbol.
- the configuration information of the transmission indication signal includes: CSI-RS port number, period, time domain location, frequency domain location, density, code division multiplexing CDM type, power
- the size, the RB in the time domain location, the scrambling ID, and the transmission configuration indicate at least one of the TCI states.
- the CSI-RS is transmitted on a transmission channel bandwidth corresponding to some or all RBs on an OFDM symbol.
- the CSI-RS can also be configured in the form of a tracking reference signal TRS.
- the transmission instruction signal is sent in a preset sequence
- the configuration information of the transmission instruction signal includes at least one of a parameter, a period, a time domain resource, a power level, and a transmission resource of the preset sequence.
- the time-frequency resources occupied by the transmission once may occupy multiple RBs on one OFDM symbol, or one RB on multiple OFDM symbols on one slot for transmission.
- the generation parameters of the preset sequence are related to time information of the channel occupation time COT of the network device, and the time information includes at least one of a start time, a duration, and an end time of the COT. Then, the terminal may obtain the COT information currently transmitted by the network device, such as the start time, duration, and end time of the COT, according to the detection of the preset sequence.
- the network device further includes: sending a downlink physical signal or a downlink physical channel to the terminal, wherein the downlink physical signal or the downlink physical channel and the transmission resource of the transmission instruction signal do not overlap.
- the downlink physical signals or downlink physical channel resources scheduled by the network device are the same as some RE / RB resources occupied by the transmission indicator signal, the downlink physical signals or downlink physical channels are not mapped on these RE / RBs to avoid downlink physical signals or downlink
- the physical channel overlaps with the transmission resource of the transmission indication signal.
- the downlink physical channel includes at least one of a physical downlink broadcast channel PBCH, a PDCCH, and a PDSCH.
- a network device sends a transmission instruction signal to a terminal to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information, so as to avoid unnecessary behavior attempts of the terminal and improve transmission performance. And save power consumption of the terminal.
- the network device 1100 can implement sending the transmission instruction signal on some of the occupied time-frequency resources in the foregoing embodiment, where the transmission instruction signal is used to instruct the terminal to indicate according to the terminal behavior.
- the information executes the details of the corresponding terminal behavior method and achieves the same effect.
- the network device 1100 specifically includes the following functional modules:
- the first sending module 1110 is configured to send a transmission instruction signal on some of the occupied time-frequency resources.
- the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information, and the terminal behavior instruction information is used to indicate Terminal behavior.
- the transmission instruction signal is sent in one of the following forms:
- the preset sequence includes at least one of a ZC sequence, a Gold sequence, and an m sequence, or the preset sequence includes a modulation sequence formed by at least two modulations in a ZC sequence, a Gold sequence, and an m sequence.
- the DMRS of the PDCCH is a bandwidth DMRS.
- the bandwidth DMRS is mapped on the resource element group REG of consecutive resource blocks RB in the control resource set CORESET, and the precoding granularity of CORESET is the same as the number of RBs included in CORESET.
- the time domain position of CORESET where the DMRS of the PDCCH is located is predefined.
- the time domain position of the DMRS or CSI-RS of the PDSCH is predefined.
- the network equipment 1100 further includes:
- the second sending module is configured to send configuration information of a transmission instruction signal to the terminal.
- the configuration information includes: the transmission period of the transmission indicator signal, the slot slot in which it is located, the position of the OFDM symbol in the slot, the number of OFDM symbols in the slot, the resource block RB on the OFDM symbol, and the quasi co-location QCL relationship At least one.
- the QCL relationship includes: the transmission indication signal is quasi co-located with at least one of the following: a synchronization signal block SSB, a discovery signal, and a CSI-RS.
- the configuration information includes: the monitoring period of the PDCCH, the monitoring duration, the slot offset, the OFDM symbol in the slot, the control resource set CORESET, the DCI format of the downlink control information, the DCI size, At least one of the control channel element CCE's aggregation level AL and the monitored CCE candidate set.
- the configuration information when the transmission instruction signal is sent through the DMRS of the PDCCH, the configuration information includes: the time domain position of CORESET and / or CORESET where the DMRS of the PDCCH is located.
- the configuration information includes: the OFDM symbol on which the DMRS of the PDSCH is located and / or the RB on the OFDM symbol.
- the configuration information includes: the number of CSI-RS ports, the period, the time domain location, the frequency domain location, the density, the code division multiplexing CDM type, the power level, The RB, the scramble ID, and the transmission configuration at the time domain location indicate at least one of the TCI states.
- the configuration information includes at least one of a parameter, a period, a time domain resource, a power level, and a transmission resource of the preset sequence.
- the generation parameters of the preset sequence are related to time information of the channel occupation time COT of the network device, and the time information includes at least one of a start time, a duration, and an end time of the COT.
- the network equipment 1100 further includes:
- the third sending module is configured to send a downlink physical signal or a downlink physical channel to the terminal, wherein the downlink physical signal or the downlink physical channel does not overlap with the transmission resource of the transmission instruction signal.
- the downlink physical channel includes at least one of a physical downlink broadcast channel PBCH, a PDCCH, and a PDSCH.
- the network device in the embodiment of the present disclosure sends a transmission instruction signal to the terminal to instruct the terminal to perform the corresponding terminal behavior according to the terminal behavior instruction information, in order to avoid unnecessary behavior attempts of the terminal, which can improve transmission performance and save the terminal. Power consumption.
- each module of the above network equipment and terminal is only a division of logical functions. In actual implementation, it can be fully or partially integrated into a physical entity, or it can be physically separated. And these modules can all be implemented in the form of software called by processing elements; they can also be all implemented in hardware; some modules can be implemented in the form of software called by processing elements, and some modules can be implemented in hardware.
- the determination module may be a separately established processing element, or it may be integrated and implemented in a certain chip of the above device.
- it may also be stored in the form of a program code in the memory of the above device, and a certain processing element of the above device may be used. Invoke and execute the functions of the above identified modules.
- each step of the above method or each of the above modules may be completed by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
- the above modules may be one or more integrated circuits configured to implement the above method, for example: one or more specific integrated circuits (ASIC), or one or more microprocessors (digital signal processor (DSP), or one or more Field Programmable Gate Array (FPGA).
- ASIC application specific integrated circuits
- DSP digital signal processor
- FPGA Field Programmable Gate Array
- the processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor that can call program code.
- CPU Central Processing Unit
- these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
- SOC system-on-a-chip
- an embodiment of the present disclosure further provides a network device.
- the network device includes a processor, a memory, and a computer program stored on the memory and executable on the processor.
- the processor executes the computer program.
- the steps in the transmission method of the transmission instruction signal as described above are implemented at times.
- An embodiment of the present disclosure further provides a computer-readable storage medium.
- the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, implements the steps of the method for transmitting an instruction signal as described above.
- the network device 1200 includes: an antenna 121, a radio frequency device 122, and a baseband device 123.
- the antenna 121 is connected to the radio frequency device 122.
- the radio frequency device 122 receives information through the antenna 121 and sends the received information to the baseband device 123 for processing.
- the baseband device 123 processes the information to be sent and sends it to the radio frequency device 122.
- the radio frequency device 122 processes the received information and sends it out via the antenna 121.
- the above-mentioned frequency band processing device may be located in the baseband device 123.
- the method performed by the network device in the foregoing embodiment may be implemented in the baseband device 123.
- the baseband device 123 includes a processor 124 and a memory 125.
- the baseband device 123 may include, for example, at least one baseband board, and a plurality of chips are provided on the baseband board, as shown in FIG. 12, where one chip is, for example, the processor 124, which is connected to the memory 125 to call a program in the memory 125 and execute The network device operations shown in the above method embodiments are operated.
- the baseband device 123 may further include a network interface 126 for exchanging information with the radio frequency device 122.
- the interface is, for example, a common public radio interface (CPRI).
- the processor here may be a processor or a collective name for multiple processing elements.
- the processor may be a CPU, an ASIC, or one or more configured to implement the methods performed by the above network devices.
- Integrated circuits such as: one or more microprocessor DSPs, or one or more field programmable gate array FPGAs.
- a storage element may be a single memory or a collective term for multiple storage elements.
- the memory 125 may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
- the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
- RAM Static Random Access Memory
- DRAM Dynamic Random Access Memory
- Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM, DDRSDRAM enhanced synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
- Synchlink DRAM SLDRAM
- Direct RAMbus RAM Direct RAMbus RAM, DRRAM
- the memory 125 described herein is intended to include, but is not limited to, these and any other suitable types of memory.
- the network device in the embodiment of the present disclosure further includes: a computer program stored in the memory 125 and executable on the processor 124, and the processor 124 calls the computer program in the memory 125 to execute the method executed by each module shown in FIG. 11 .
- the computer program can be used for execution when called by the processor 124: sending a transmission instruction signal on some of the occupied time-frequency resources, wherein the transmission instruction signal is used to instruct the terminal to perform a corresponding terminal behavior according to the terminal behavior instruction information
- the terminal behavior instruction information is used to indicate the terminal behavior.
- the network device in the embodiment of the present disclosure sends a transmission instruction signal to the terminal to instruct the terminal to perform the corresponding terminal behavior according to the terminal behavior instruction information, so as to avoid unnecessary behavior attempts of the terminal, which can improve transmission performance and save power consumption of the terminal.
- the disclosed apparatus and method may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the unit is only a logical function division.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present disclosure is essentially a part that contributes to related technologies or a part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including several
- the instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in various embodiments of the present disclosure.
- the foregoing storage medium includes various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
- each component or each step can be disassembled and / or recombined.
- These decompositions and / or recombinations should be regarded as equivalent solutions of the present disclosure.
- the steps for performing the series of processes described above can be performed naturally in chronological order in accordance with the described order, but need not necessarily be performed in chronological order, and certain steps can be performed in parallel or independently of each other.
- it is able to understand all or any steps or components of the methods and devices of the present disclosure and may be implemented in hardware, firmware in any computing device (including a processor, a storage medium, etc.) or a network of computing devices.
- Software, or a combination thereof which can be achieved by a person of ordinary skill in the art using their basic programming skills after reading the description of the present disclosure.
- the purpose of the present disclosure can also be achieved by running a program or a group of programs on any computing device.
- the computing device may be a well-known general-purpose device. Therefore, the object of the present disclosure can also be achieved only by providing a program product including a program code that implements the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
- the storage medium may be any known storage medium or any storage medium developed in the future. It should also be noted that, in the apparatus and method of the present disclosure, it is obvious that each component or each step can be disassembled and / or recombined.
- the program may be stored in a computer-readable storage medium.
- the program When executed, the processes of the embodiments of the methods described above may be included.
- the storage medium may be a magnetic disk, an optical disk, a ROM, or a RAM.
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Abstract
Description
Claims (36)
- 一种传输指示信号的传输方法,应用于终端侧,包括:在网络设备占用的时频资源中的部分资源上接收传输指示信号,其中,所述传输指示信号用于指示所述终端根据终端行为指示信息执行相应的终端行为,所述终端行为指示信息用于指示终端行为。
- 根据权利要求1所述的传输指示信号的传输方法,其中,所述终端行为指示信息是所述网络设备通过高层信令或媒体接入控制MAC控制单元CE传输的,所述终端行为指示信息用于指示终端执行以下行为中的至少一项:监听物理下行控制信道PDCCH;信道状态信息CSI测量;无线资源管理RRM测量;波束管理测量;无线链路监测;以及,波束失败检测。
- 根据权利要求1所述的传输指示信号的传输方法,其中,在网络设备占用的时频资源中的部分资源上接收传输指示信号的步骤之后,还包括:接收下行物理信号或下行物理信道;其中,所述下行物理信号或下行物理信道与所述传输指示信号的传输资源不重叠。
- 根据权利要求1所述的传输指示信号的传输方法,其中,所述网络设备占用的时频资源为非授权频段资源。
- 根据权利要求1所述的传输指示信号的传输方法,其中,所述传输指示信号通过以下形式中的一种进行传输:PDCCH,PDCCH的解调参考信号DMRS,物理下行共享信道PDSCH的DMRS,信道状态信息参考信号CSI-RS,以及预设序列。
- 根据权利要求5所述的传输指示信号的传输方法,其中,所述PDCCH 的DMRS为带宽DMRS。
- 根据权利要求6所述的传输指示信号的传输方法,其中,所述带宽DMRS在控制资源集CORESET中连续的资源块RB的资源元素组REG上映射,且所述CORESET的预编码颗粒度与所述CORESET所包含的RB数相同。
- 根据权利要求5所述的传输指示信号的传输方法,其中,在网络设备占用的时频资源中的部分资源上接收传输指示信号的步骤之前,还包括:接收所述传输指示信号的配置信息。
- 根据权利要求8所述的传输指示信号的传输方法,其中,所述配置信息包括:所述传输指示信号的传输周期、所在的时隙slot、所在slot中的正交频分复用OFDM符号位置、所在slot中的OFDM符号数量、所在OFDM符号上的RB和准共址QCL关系中的至少一项。
- 根据权利要求9所述的传输指示信号的传输方法,其中,所述QCL关系包括:所述传输指示信号与以下中的至少一项准共址:同步信号块SSB、发现信号和CSI-RS。
- 根据权利要求8或9所述的传输指示信号的传输方法,其中,当所述传输指示信号通过所述PDCCH传输时,所述配置信息包括:所述PDCCH的监听周期、监听持续时间、slot偏移、slot中的OFDM符号、所在的CORESET、下行控制信息DCI格式、DCI尺寸、控制信道元素CCE的聚合等级AL和监听的CCE候选集合中的至少一项。
- 根据权利要求8或9所述的传输指示信号的传输方法,其中,当所述传输指示信号通过PDCCH的DMRS传输时,所述配置信息包括:所述PDCCH的DMRS所在的CORESET和/或所述CORESET的时域位置。
- 根据权利要求8或9所述的传输指示信号的传输方法,其中,当所述传输指示信号通过PDSCH的DMRS传输时,所述配置信息包括:所述PDSCH的DMRS所在OFDM符号和/或所述OFDM符号上的RB。
- 根据权利要求8或9所述的传输指示信号的传输方法,其中,当所述传输指示信号通过CSI-RS传输时,所述配置信息包括:所述CSI-RS的端口数、周期、所在的时域位置、所在的频域位置、密度、码分复用CDM类 型、功率大小、所述时域位置上的RB、加扰ID和传输配置指示TCI状态中的至少一项。
- 根据权利要求8或9所述的传输指示信号的传输方法,其中,当所述传输指示信号通过预设序列传输时,所述配置信息包括:所述预设序列的生成参数、周期、所在时域资源、功率大小和所述预设序列的传输资源中的至少一项。
- 根据权利要求15所述的传输指示信号的传输方法,其中,所述预设序列的生成参数与所述网络设备的信道占用时间COT的时间信息相关,所述时间信息包括:所述COT的起始时刻、持续时间和结束时刻中的至少一项。
- 一种终端,包括:第一接收模块,用于在网络设备占用的时频资源中的部分资源上接收传输指示信号,其中,所述传输指示信号用于指示所述终端根据终端行为指示信息执行相应的终端行为,所述终端行为指示信息用于指示终端行为。
- 一种终端,包括处理器、存储器以及存储于所述存储器上并在所述处理器上运行的计算机程序,所述计算机程序被所述处理器执行时实现如权利要求1至16中任一项所述的传输指示信号的传输方法的步骤。
- 一种传输指示信号的传输方法,应用于网络设备侧,包括:在占用的时频资源中的部分资源上发送传输指示信号,其中,所述传输指示信号用于指示终端根据终端行为指示信息执行相应的终端行为,所述终端行为指示信息用于指示终端行为。
- 根据权利要求19所述的传输指示信号的传输方法,其中,在占用的时频资源中的部分资源上发送传输指示信号的步骤之后,还包括:向终端发送下行物理信号或下行物理信道,其中,所述下行物理信号或下行物理信道与所述传输指示信号的传输资源不重叠。
- 根据权利要求19所述的传输指示信号的传输方法,其中,所述占用的时频资源为非授权频段资源。
- 根据权利要求19所述的传输指示信号的传输方法,其中,所述传输指示信号通过以下形式中的一种进行发送:物理下行控制信道PDCCH,PDCCH的解调参考信号DMRS,物理下行共享信道PDSCH的DMRS,信道状态信息参考信号CSI-RS,以及预设序列。
- 根据权利要求22所述的传输指示信号的传输方法,其中,所述PDCCH的DMRS为带宽DMRS。
- 根据权利要求23所述的传输指示信号的传输方法,其中,所述带宽DMRS在控制资源集CORESET中连续的资源块RB的资源元素组REG上映射,且所述CORESET的预编码颗粒度与所述CORESET所包含的RB数相同。
- 根据权利要求22所述的传输指示信号的传输方法,其中,在占用的时频资源中的部分资源上发送传输指示信号的步骤之前,还包括:向终端发送所述传输指示信号的配置信息。
- 根据权利要求25所述的传输指示信号的传输方法,其中,所述配置信息包括:所述传输指示信号的传输周期、所在的时隙slot、所在slot中的正交频分复用OFDM符号位置、所在slot中的OFDM符号数量、所在OFDM符号上的RB和准共址QCL关系中的至少一项。
- 根据权利要求26所述的传输指示信号的传输方法,其中,所述QCL关系包括:所述传输指示信号与以下中的至少一项准共址:同步信号块SSB、发现信号和CSI-RS。
- 根据权利要求25或26所述的传输指示信号的传输方法,其中,当所述传输指示信号通过所述PDCCH发送时,所述配置信息包括:所述PDCCH的监听周期、监听持续时间、slot偏移、slot中的OFDM符号、所在的CORESET、下行控制信息DCI格式、DCI尺寸、控制信道元素CCE的聚合等级AL和监听的CCE候选集合中的至少一项。
- 根据权利要求25或26所述的传输指示信号的传输方法,其中,当所述传输指示信号通过PDCCH的DMRS发送时,所述配置信息包括:所述PDCCH的DMRS所在的CORESET和/或所述CORESET的时域位置。
- 根据权利要求25或26所述的传输指示信号的传输方法,其中,当 所述传输指示信号通过PDSCH的DMRS发送时,所述配置信息包括:所述PDSCH的DMRS所在OFDM符号和/或所述OFDM符号上的RB。
- 根据权利要求25或26所述的传输指示信号的传输方法,其中,当所述传输指示信号通过CSI-RS发送时,所述配置信息包括:所述CSI-RS的端口数、周期、所在的时域位置、所在的频域位置、密度、码分复用CDM类型、功率大小、所述时域位置上的RB、加扰ID和传输配置指示TCI状态中的至少一项。
- 根据权利要求25或26所述的传输指示信号的传输方法,其中,当所述传输指示信号通过预设序列发送时,所述配置信息包括:所述预设序列的生成参数、周期、所在时域资源、功率大小和所述预设序列的传输资源中的至少一项。
- 根据权利要求32所述的传输指示信号的传输方法,其中,所述预设序列的生成参数与所述网络设备的信道占用时间COT的时间信息相关,所述时间信息包括:所述COT的起始时刻、持续时间和结束时刻中的至少一项。
- 一种网络设备,包括:第一发送模块,用于在占用的时频资源中的部分资源上发送传输指示信号,其中,所述传输指示信号用于指示终端根据终端行为指示信息执行相应的终端行为,所述终端行为指示信息用于指示终端行为。
- 一种网络设备,包括处理器、存储器以及存储于所述存储器上并在所述处理器上运行的计算机程序,所述处理器执行所述计算机程序时实现如权利要求19至33任一项所述的传输指示信号的传输方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至16、29至33中任一项所述的传输指示信号的传输方法的步骤。
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CN110933764B (zh) | 2022-03-11 |
ES2970131T3 (es) | 2024-05-27 |
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US20210212036A1 (en) | 2021-07-08 |
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EP3855848A4 (en) | 2021-12-15 |
JP2022500951A (ja) | 2022-01-04 |
KR20210058881A (ko) | 2021-05-24 |
EP3855848B1 (en) | 2024-01-03 |
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EP3855848A1 (en) | 2021-07-28 |
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