WO2020143386A1 - 节能信号的传输方法、终端和网络侧设备 - Google Patents
节能信号的传输方法、终端和网络侧设备 Download PDFInfo
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- WO2020143386A1 WO2020143386A1 PCT/CN2019/124796 CN2019124796W WO2020143386A1 WO 2020143386 A1 WO2020143386 A1 WO 2020143386A1 CN 2019124796 W CN2019124796 W CN 2019124796W WO 2020143386 A1 WO2020143386 A1 WO 2020143386A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0219—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave where the power saving management affects multiple terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
- H04W52/0258—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
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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 present disclosure relates to the field of communication technology, and in particular, to an energy-saving signal transmission method, terminal, and network-side device.
- the terminal needs to detect the downlink control channel in the idle state (RRC_IDLE), inactive state (RRC_Inactive), and connected state (RRC_Connected).
- RRC_IDLE idle state
- RRC_Inactive inactive state
- RRC_Connected connected state
- the detection positions for detecting the downlink control channel are all pre-configured, and many detection positions will be configured in advance, and the terminal needs to perform detection at each detection position.
- the terminal needs to detect the downlink control channel at each activation time (Onduration) period. Therefore, a power saving signal is introduced in the NR system, but the current power saving signal cannot carry multiple power saving information, resulting in a poor energy saving effect.
- Embodiments of the present disclosure provide an energy-saving signal transmission method, terminal, and network-side device to solve the problem of poor energy-saving effect.
- An embodiment of the present disclosure provides a method for transmitting energy-saving signals, including:
- the terminal receives the energy-saving signal sent by the network-side device
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth (BWP) index Partial bandwidth (BWP) index, carrier index, physical layer downlink control channel (Physical Downlink Control Channel, PDCCH) detection cycle number indication information, and resource information of the energy-saving signal.
- PDCCH Physical Downlink Control Channel
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs subcarrier mapping, performs Inverse Fast Fourier Transform (IFFT) operation and adds a cyclic prefix (Cyclic Prefix, CP), and then maps to corresponding transmission resources.
- IFFT Inverse Fast Fourier Transform
- CP Cyclic Prefix
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep (Opportunity for DRX, DRX, OFF) period; the second-level energy-saving signal is in DRX OFF or discontinuous reception activation (DRX Onduration, DRX On) ) Transmission within the period; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second level energy saving signal is an energy saving signal based on the physical downlink control channel PDCCH.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- An embodiment of the present disclosure also provides an energy-saving signal transmission method, including:
- the network-side device sends an energy-saving signal to the terminal
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- BWP index BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs subcarrier mapping, performs IFFT operation and adds CP, and then maps to corresponding transmission resources.
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF cycle; the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On cycle; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second level energy saving signal is an energy saving signal based on the physical downlink control channel PDCCH.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- An embodiment of the present disclosure also provides a terminal, including:
- the receiving module is used to receive the energy-saving signal sent by the network side device
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth BWP index Partial bandwidth BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs subcarrier mapping, performs IFFT operation and adds CP, and then maps to corresponding transmission resources.
- An embodiment of the present disclosure also provides a network-side device, including:
- the sending module is used to send energy-saving signals to the terminal
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth BWP index Partial bandwidth BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs subcarrier mapping, performs IFFT operation and adds CP, and then maps to corresponding transmission resources.
- An embodiment of the present disclosure also provides a terminal, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor,
- the transceiver is used to receive the energy-saving signal sent by the network side device
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth BWP index Partial bandwidth BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs subcarrier mapping, performs IFFT operation and adds CP, and then maps to corresponding transmission resources.
- An embodiment of the present disclosure also provides a network-side device, including: a transceiver, a memory, a processor, and a program stored on the memory and executable on the processor,
- the transceiver is used to send energy-saving signals to the terminal;
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth BWP index Partial bandwidth BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs subcarrier mapping, performs IFFT operation and adds CP, and then maps to corresponding transmission resources.
- An embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored, which is characterized in that when the program is executed by a processor, the steps in the method for transmitting an energy-saving signal on the terminal side provided by the embodiment of the present disclosure are implemented Or, when the program is executed by the processor, the steps in the method for transmitting energy-saving signals on the network side device side provided by the embodiments of the present disclosure are implemented.
- a terminal receives an energy-saving signal sent by a network-side device; wherein, the energy-saving signal is a multi-level sequence, and the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and a level indication of the multi-level sequence Information, the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving region, and the energy-saving region is an area indicated by the energy-saving region identifier; or the energy-saving signal includes a first-level energy-saving signal and a second-level energy-saving signal, wherein, The first-level energy-saving signal and the second-level energy-saving signal respectively carry different energy-saving information. In this way, multiple energy-saving information can be carried, thereby improving the energy-saving effect.
- FIG. 1 is a schematic diagram of a network structure applicable to an embodiment of the present disclosure
- FIG. 2 is a flowchart of an energy-saving signal transmission method provided by an embodiment of the present disclosure
- FIG. 3 is a schematic diagram of an energy-saving signal provided by an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of another energy-saving signal provided by an embodiment of the present disclosure.
- FIG. 5 is a schematic diagram of another energy-saving signal provided by an embodiment of the present disclosure.
- FIG. 6 is a schematic diagram of another energy-saving signal provided by an embodiment of the present disclosure.
- FIG. 7 is a schematic diagram of another energy-saving signal provided by an embodiment of the present disclosure.
- FIG. 9 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
- FIG. 10 is a structural diagram of a network side device provided by an embodiment of the present disclosure.
- FIG. 11 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
- FIG. 12 is a structural diagram of another network-side device provided by an embodiment of the present disclosure.
- FIG. 1 is a schematic diagram of a network structure applicable to an embodiment of the present disclosure.
- the terminal 11 may be a user terminal (User Equipment, UE) or other terminals Devices, such as mobile phones, tablet computers (Tablet Personal Computer), laptop computers (Laptop Computer), personal digital assistants (personal digital assistants, PDAs), mobile Internet devices (Mobile Internet Devices (MID) or wearable devices ( Wearable Devices) and other terminal-side devices.
- UE User Equipment
- PDAs personal digital assistants
- mobile Internet devices Mobile Internet Devices (MID) or wearable devices ( Wearable Devices) and other terminal-side devices.
- MID Mobile Internet Devices
- Wearable Devices wearable devices
- the network-side device 12 may be a base station, such as a macro station, LTE eNB, 5G NR, etc.; the network-side device 12 may also be a small station, such as a low-power node (LPN), pico, femto, etc., or
- the network-side device can be an access point (access point, AP); the base station can also be a network node composed of a central unit (central unit, CU) and multiple transmission and reception points (Transmission Reception Point, TRP) managed and controlled by it.
- LTE low-power node
- AP access point
- the base station can also be a network node composed of a central unit (central unit, CU) and multiple transmission and reception points (Transmission Reception Point, TRP) managed and controlled by it.
- TRP Transmission Reception Point
- FIG. 2 is a flowchart of an energy-saving signal transmission method according to an embodiment of the present disclosure. As shown in FIG. 2, the method includes the following steps:
- the terminal receives the energy saving signal (power saving signal) sent by the network side device;
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the above energy-saving signal may include an energy-saving signal before DRX on, and may also include an energy-saving signal within a DRX on cycle.
- the energy-saving signal may be a signal used to wake up one or more terminals, for example, the energy-saving signal may be a wake-up signal (Wakeup Signal, WUS), or a power-saving signal wider than the WUS concept, which is not limited, for example :
- WUS wake-up Signal
- the above energy-saving signal may also be other signals defined in the protocol, or other signals previously agreed between the network-side device and the terminal.
- the above energy-saving identifier may be a wake ID, and the above energy-saving region identifier may be a wake ID.
- the energy-saving signal may include one or more energy-saving identifiers.
- one energy-saving identifier corresponds to one terminal, or different combinations between the plurality of energy-saving identifiers correspond to different terminals.
- the energy-saving area identifier may refer to the home area identifier of the terminal corresponding to the energy-saving identifier.
- the cell ID cell ID
- the tracking area ID Track area
- ID a smaller wakeup area obtained by dividing the tracking area into multiple areas.
- the level indication information of the multi-level sequence may be level indication information of each level sequence, or level indication information of a partial level sequence, for example, used to indicate the number of levels of each level sequence or partial level sequence of the multi-level sequence.
- the above-mentioned level indication information may be to determine the number of levels of the received sequence, so as to avoid the waste of power consumption caused by the detection of the second-level sequence without receiving the first-level sequence.
- one or more terminals can be awakened through the above energy-saving identifier, energy-saving region identifier and the level indication information of the multi-level sequence, thereby improving the energy-saving effect. For example, if the terminal is located in the energy-saving area and the energy-saving identifier corresponds to the terminal, the terminal may enter a wake-up state.
- the energy-saving identifier, the energy-saving area identifier, and the level indication information are all energy-saving information, that is, the above multi-level sequence can carry at least three types of energy-saving information. And the above reception can be called detection.
- carrying can be understood as an indication, that is to say, the energy-saving signal carried by the energy-saving signal can be referred to as an energy-saving signal indicating energy-saving information.
- the energy-saving signal carrying energy-saving information may be understood as that the terminal can obtain the corresponding energy-saving information by parsing the energy-saving signal.
- the energy-saving signal may include a first-level energy-saving signal and a second-level energy-saving signal, and the first-level energy-saving signal and the second-level energy-saving signal respectively carry different energy-saving information, so that the energy-saving signal can also be carried more often Kinds of energy saving information to improve energy saving effect.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the terminal can accurately determine the number of levels of the received sequence.
- the first level sequence in the above multiple level sequences does not carry level indication information
- the level indication information carried by the remaining level sequences, or the latter level sequence in the multilevel sequence carries the level indication information of the previous level or the previous multilevel sequence , which can save the cost of energy-saving signals.
- the above-mentioned multi-level sequence has a certain order
- the first-level sequence is the first level among the multiple sequences
- the second-level sequence is the level after the first-level sequence.
- the tertiary sequence is the sequence after the second sequence, and so on.
- the second level sequence carries the level indication information of the first level sequence
- the third level sequence carries the level indication information of the second level sequence.
- the level indication information includes:
- Level index information (stage index) or group index information.
- Each level sequence needs to carry the level indication information of the multi-level sequence.
- the initial phase of the first-level gold sequence needs to contain 1-bit level index information, such as bit 0, the first
- the initial phase of the second-level gold sequence also contains 1-bit initial phase information, such as bit 1, if there are more levels of the sequence, the number of bits indicating the level index naturally increases.
- Example 2 The next-level (gold) sequence needs to carry the level indication information (for example: group index information) carried by the previous level or multi-level (gold) sequence, for example, taking the two-level sequence as an example, the first-level gold sequence
- level indication information for example: group index information
- Each specific sequence carries information related to a specific wake ID. If all possible sequences of the first-level sequence are regarded as a group of sequences, the group of sequences can be grouped again to obtain S subgroups. index can be used as a kind of grouping index information.
- the second-level gold sequence needs to carry the index information of the first-level sequence and the grouping. This information may be a function of the initial phase of the second-level gold sequence. Since the first-level sequence is grouped, the subgroup index is passed to the second-level sequence.
- the minimum value of the subgroup S can be 1 and the maximum value of S can be as many as the number of all sequences in the level sequence, that is, The number of sequences in each sub-group is only 1; when the S value is 1, it is equivalent to the level index of the first-level sequence without the multi-level sequence, and the second-level multi-level sequence contains a common (for example, 1 bit)
- the level index of the first level sequence is a special case of the level 1 sequence mentioned above. Obviously, a larger S value is more beneficial to reduce the false alarm probability of sequence detection. Of course, a smaller S value is more beneficial to improve the multi-user multiplexing performance of special sequences such as orthogonal sequences.
- the above multi-level sequence also carries at least one of the following:
- BWP index BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- N_skip The number of PDCCH detection cycles that need to be skipped.
- the above resource information may be time or frequency information related to resources transmitting energy saving signals.
- the energy-saving signal can carry more energy-saving information to further improve the energy-saving effect.
- the above carrier index may be a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles to be skipped may be one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the energy-saving signal only needs to indicate that the carrier index is one of the at least one carrier index semi-statically configured on the network side, so that the energy-saving signal overhead can be saved.
- the energy-saving signal only needs to indicate that the number of the PDCCH detection cycles to be skipped is one of the numbers configured on the network side, thereby saving the energy-saving signal overhead.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence
- the energy-saving identifier the energy-saving area identifier
- the level indication information of the multi-level sequence is a function of the initial phase of the gold sequence.
- the multi-level sequence scrambling code obtained by concatenating multiple gold sequences can reduce the complexity and can also carry a variety of energy-saving information.
- the energy-saving information may also be a function of the initial phase of the gold sequence.
- each level sequence in the multi-level sequence has the following characteristics:
- the superimposed result performs subcarrier mapping, performs IFFT operation and adds CP, and then maps to corresponding transmission resources.
- the base sequence (Base seq) M1+1 to the base sequence (Base seq) M are superimposed, and then, sub-carrier mapping (Sub-carrier mapping), IFFT operation, adding cyclic prefix (Cyclic Prefix, CP), and finally mapped to the corresponding Symbol (Symbol) transmission, that is, the second level sequence (for example: WUS2).
- the multi-level sequence is a multi-level sequence in which a scrambling code sequence exists, and the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information.
- the basic sequence of the level sequence carries the energy-saving identifier; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the energy-saving area identifier and the level indication information through a scrambling code sequence, and the basic sequence carries the energy-saving identifier, so that the energy-saving signal consumes excessive resources and power consumption to save transmission resources And power consumption effects.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence may include at least a first-level sequence and a second-level sequence
- the basic sequence of the first-level sequence and the second-level sequence may be the same type sequence, and the same type sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence may be one of an orthogonal sequence, a gold sequence, and a Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is an orthogonal sequence, a gold sequence, or a ZC sequence position. The other one in the Kasami sequence.
- base sequence (Base seq) 1 to base sequence (Base seq) M1 are superimposed, and scrambling sequence (Scrambling sequence) scrambling sequence operation (for example: multiplication), and then divided to generate At least one sub-sequence (Sub sequence) generation, then, sub-carrier mapping (Sub-carrier mapping), IFFT operation, adding a cyclic prefix (Cyclic Prefix, CP), and finally mapped to the corresponding symbol (Symbol) transmission, that is The first level sequence (for example: WUS1);
- Base sequence (Base seq) M1+1 to base sequence (Base seq) M are superimposed, and scrambling sequence (Scrambling sequence) scrambling operations (for example: multiplication), and then divided to generate at least one subsequence (Sub sequence), after that, perform sub-carrier mapping, IFFT operation, add cyclic prefix (CP), and finally map to the corresponding symbol (Symbol) for transmission, that is, get the second-level sequence (for example : WUS2).
- scrambling sequence scrambling sequence
- the scrambling code sequence carries wake ID and multi-level sequence level indication information, and the multi-level basic sequence indicates wake ID. Moreover, the scrambling sequence of each level is different, but the scrambling sequence of multiple sequences within each level is the same.
- the basic sequence is preferably an orthogonal sequence or a ZC, gold sequence.
- the base sequence (Base seq) 1 to the base sequence (Base seq) M1 are superimposed, and scrambling sequence (Scrambling sequence) scrambling operation (for example: multiplication), and then divided to Generate at least one sub-sequence (Sub sequence), then perform sub-carrier mapping (Sub-carrier mapping), IFFT operation, add cyclic prefix (Cyclic Prefix, CP), and finally map to the corresponding symbol (Symbol) transmission, that is Get the first level sequence (for example: WUS1);
- the base sequence (Base seq) M1+1 to the base sequence (Base seq) M are scrambled with the scrambling sequence (Scrambling sequence) (for example: multiplication), and then superimposed, and then divided to generate at least one subsequence (Sub) sequence, afterwards, perform sub-carrier mapping, IFFT operation, add cyclic prefix (Cyclic Prefix, CP), and finally map to the corresponding symbol (Symbol) for transmission, that is, get the second-level sequence ( For example: WUS2).
- the scrambling sequence for example: multiplication
- the scrambling code sequence carries the wake ID and the information related to the wake ID of the previous level or multi-level sequence; the multi-level basic sequence indicates the wake ID.
- the scrambling code sequences of each level are different.
- the scrambling code sequences of multiple sequences in the first level may be the same, and the scrambling code sequences of multiple sequences in other levels may be different.
- each level sequence is gold, for example: gold+gold for two-level sequence; in another scheme, each level sequence is Hadarmad sequence (H for short), for example: H+H for two-level sequence;
- the first-level sequence is H
- the second-level sequence is a gold sequence (referred to as g), that is, H+g can be expressed.
- H Gold sequence
- g gold sequence
- the energy-saving signal carries binary indication information composed of multiple energy-saving information corresponding to the sequence index of the multi-level sequence; wherein the multiple energy-saving information includes at least all The energy-saving identifier, the energy-saving region identifier and the level indication information of the multi-level sequence.
- the binary indication information composed of multiple energy-saving information carried by the energy-saving signal and the sequence index of the multi-level sequence may correspond to the decimal expression and multi-level sequence of the binary indication information composed of multiple energy-saving information carried by the energy-saving signal Corresponds to the sequence index.
- the correspondence may be that the sequence index of the multi-level sequence may represent the binary indication information composed of multiple energy-saving information carried by the energy-saving signal, or the correspondence may be binary indication information composed of multiple energy-saving information carried by the energy-saving signal
- the decimal expression of is in one-to-one correspondence with the sequence index of the multilevel sequence.
- different fields of the sequence index of the above multi-level sequence correspond to different energy-saving information.
- different energy-saving information can be determined through different fields.
- the five fields constitute n1+n2+n3+n4+n5 bits, and the sequence index of the multi-level sequence corresponding to 2 (n1+n2+n3+n4+n5) .
- Wake Up ID related information may be used to indicate Wake Up ID.
- Wake Up ID may be indicated through a combination of multi-level sequences, for example: the first level sequence carries Wake Up ID Part of the information, the second-level sequence carries the other part of the Wakeup ID. Of course, it can also be indicated separately by a certain-level sequence.
- the first-level sequence carries all the information of the WakeupID, which is not limited.
- the energy-saving information of the above five fields that need to be pointed out is just an example, and more or less information is not excluded, such as time or frequency information related to the resources that transmit energy-saving signals, and the ordering of the multiple fields in the above table is also just An example does not exclude other sequences of multiple fields.
- the information related to wake ID can be located in the most significant bit (Most Significant Bit, MSB) as shown in the table, or in the least significant bit (Least Significant Bit, LSB).
- the second level sequence is executed only when the terminal detects the first-level sequence Level sequence detection.
- the terminal since the terminal detects the first-level sequence, the second-level sequence is detected. This can prevent the terminal from performing the second-level sequence without detecting the first-level sequence. The power consumption caused by the sequence detection is wasted.
- the first-level energy-saving signal carries energy-saving information that does not require blind detection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the energy-saving information that does not require blind detection may be energy-saving information that can be detected by the terminal without blind detection.
- the energy-saving information that does not require blind detection may also be energy-saving information known to the terminal, for example: Wake up ID, wake up area ID, sequence-level instruction information (if it is a multi-level sequence).
- the energy-saving information that cannot be predicted in advance may be energy-saving information unknown to the terminal, such as: BWP index, Carrier index, the number of PDCCH detection cycles N_skip that need to be skipped, and resource information for transmitting energy-saving signals.
- the terminal can be awakened with low energy consumption, while the second-level energy-saving signal carries at least energy-saving information that cannot be predicted in advance, which can realize the two levels of energy-saving The signal carries a lot of energy-saving information to improve the energy-saving effect.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF period and the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On period.
- the first-level energy-saving signal can be used to wake up the terminal in the DRX OFF period, and the second-level energy-saving signal is transmitted in the DRX OFF or DRX On period to transmit at least energy-saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in the DRX OFF period, and the second-level energy-saving signal is transmitted in the DRX OFF period; where, in the drawing, Stage 1 WUS indicates the first level energy-saving signal, and Stage 2 WUS represents the second level energy saving signal.
- the first-level energy-saving signal DRX is transmitted in the OFF period
- the second-level energy-saving signal is transmitted in the DRX ON period.
- the sequence-based WUS sequence-based WUS
- Stage 2 WUS represents the second-level energy-saving signal.
- the candidate position for sending the second-level energy saving signal in the DRX On period may be a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- the second energy-saving signal is transmitted at the starting position in the DRX ON cycle.
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence.
- the second level energy saving signal is an energy saving signal based on the physical downlink control channel PDCCH.
- the above-mentioned first-level energy saving signal is a single-level sequence or a multi-level sequence may be a sequence-based single-level sequence or a multi-level sequence, that is, the first-level energy-saving signal may be called a sequence-based power saving signal.
- the multi-level sequence reference may be made to the multi-level sequence described above in the embodiments of the present disclosure, and details are not described here.
- the energy saving signal of the second level energy saving signal is the PDCCH energy saving signal may be called a PDCCH-based power saving signal, or a DCI-based power saving signal.
- the first-level sequence generation method is as follows: the frequency domain sequence on the base station side: sequence 1, sequence 2, sequence 3, ... sequence M1 is accumulated, and then IFFT and CP addition operations of the sum sequence are mapped to m1 OFDM symbols in the time domain to obtain The first-level sequence; the second-level sequence generation method is similar to the first-level sequence generation method.
- the minimum value of the OFDM symbol index in the figure is 1 and is continuous. It is just an example.
- the starting point of the OFDM symbol index can be any value that meets the requirements.
- the OFDM symbol index can be distributed, that is, there is no continuous relationship, the number of OFDM symbols m It can be equal to 1.
- the two-level sequence is actually a frequency-sequence sequence; the two-level sequence shown in the figure is only a specific example given for convenience of description.
- Frequency domain sequences 1, 2, ... M are pseudo-random sequences, such as the commonly used m sequence and its gold sequence or Kasami sequence. As mentioned above, considering that the power saving signal needs to carry more information, preferably, the frequency domain sequences 1, 2, ... M are all gold sequences or Kasami sequences.
- the gold sequence c(n) with a register length of 31 for the downlink reference signal can be used in the NR standard, which is defined as follows:
- x 1 (n+31) (x 1 (n+3)+x 1 (n)) mod2
- x 2 (n+31) (x 2 (n+3)+x 2 (n+2)+x 2 (n+1)+x 2 (n)) mod2
- the number of information bits carried in practice is generally less than 31, which also depends on how long the specific sequence is. There is a certain relationship. Assume that the number of information bits carried in the gold sequence is InforNum ⁇ 31.
- the aforementioned multiple types of information that require the power saving indication are carried in multi-level sequences.
- the UE-specific power saving signal must carry information related to wake ID and wake ID (also called As wake ID).
- wake ID also called As wake ID
- the first sequence of the two-level sequence of user 1 and the second sequence of the two-level sequence of user 2 are simultaneously
- User 1 may detect User 2's sequence as its own sequence.
- the mandatory multi-level sequence needs to carry the indication information for distinguishing the different levels of the multi-level sequence.
- the specific scheme may be as follows:
- Each level sequence needs to carry the level indication information of the multi-level sequence.
- the initial phase of the first-level gold sequence needs to contain 1-bit stage index information, such as bit 0,
- wake ID also called wake ID
- Wakeup ID-related information occupies 8 bits, the first-stage sequence stage index information (1 bit); the second-stage gold sequence initial phase can carry wake-related ID information (10-bit), second-stage sequence The stage index information (accounting for 1 bit), the second-level sequence carries wake-related ID information (occupying 8 bits), and the two-level sequence supports up to 256*256 wake ID information. It should be noted that the information related to the wake ID carried in each sequence may be complete wake ID information or partial wake ID information.
- the last-level (gold) sequence needs to carry the information related to the wake ID carried by the previous-level or multi-level (gold) sequence, for example, taking the two-level sequence as an example, each specific one in the first-level gold sequence Sequences carry information related to a specific wake ID. If all possible sequences of the first-level sequence are regarded as a group of sequences, the group of sequences can be grouped again to obtain S subgroups. The index of each subgroup (that is, grouping Index information) can be used as a kind of information related to wake ID.
- the second-level gold sequence needs to carry information related to the wake ID in the first-level sequence (eg, packet index information), and this information may be a function of the initial phase of the second-level gold sequence.
- the minimum value of the subgroup S can be 1 and the maximum value of S can be as many as the number of all sequences in the level sequence, that is, The number of sequences in each sub-group is only 1; when the S value is 1, it is equivalent to the level index of the first-level sequence without the multi-level sequence, and the second-level multi-level sequence contains a common (for example, 1 bit)
- the level index of the first-level sequence of bits is a special case of scheme 1, where each level sequence carries a level index. Obviously, a larger S value is more beneficial to reduce the false alarm probability of sequence detection. Of course, a smaller S value is more beneficial to improve the multi-user multiplexing performance of special sequences such as orthogonal sequences.
- the multi-level sequence can also carry one or more of the time or frequency information related to the BWP index, carrier index, and resources that transmit power saving signals.
- the initial phase of the first-level (gold) sequence can carry information related to wake ID (10 bits) and wake ID (7 bits), stage indication information (1 bit), BWP index related information (2 bits), Carrier index related information (4 bits);
- the second level sequence carries wake ID (10 bits), wake ID information (9 bits), level indication Information (1 bit), the two-level sequence supports a total of 2 ⁇ 16 wake IDs, can activate 15 carriers, switch 4 BWP, skip 4 possible PDCCH detection cycles.
- the terminal will detect the second-level sequence only when it detects the first-level sequence. If the first-level sequence fails, it will not detect the second-level sequence. As long as the terminal detects the first-level sequence, it will perform a wake-up process, that is, perform PDCCH detection in the subsequent DRX ON cycle to reduce the probability of missed detection.
- the multi-level sequence in the above example is preferably obtained based on the gold sequence, but it is not excluded that it may be other PN sequences, such as the Kasami sequence that is very close to the performance of the gold sequence.
- the multi-level sequence may use different sequences, such as a The level sequence uses the gold sequence, and the other level sequence uses the Kasami sequence.
- each level sequence can be obtained based on the gold sequence or Kasami sequence.
- the power saving signal can be considered based on the orthogonal sequence.
- the sequence of the unscrambling code is only applicable when the register of the gold sequence is very long. The following describes how to support scrambling code sequences. Multi-level sequences carry a variety of information.
- the two-level WUS sequence constitutes a power saving signal with the same generating principle.
- Each level of WUS is generated by superimposing the basic sequence in the frequency domain, scrambling the sum sequence, and performing IFFT and other operations to convert to m symbols in the time domain.
- M can be equal to 1 and the multi-level sequence is frequency domain concatenation.
- the multi-level basic sequence corresponds to wake ID information
- the scrambling code sequence corresponds to wake ID information.
- the preferred basic sequence may be an orthogonal sequence such as cyclic shift of Hadamard/wash sequence/ZC sequence, etc.
- the best is the gold sequence, such as the gold sequence of the 31-order register used in NR in Embodiment 1.
- two-level WUS sequences can be cascaded to obtain M1*M1 sequences, which are in the same wakeuparea.
- the M1*M1 sequences all use the same scrambling code sequence corresponding to wake ID information.
- the scrambling code sequence of the power saving signal also needs to carry different levels of indication information of the multi-level sequence.
- the scrambling code sequence At least the wake ID also needs to carry a function of indicating information of different levels of the multi-level sequence, and the scrambling sequence of each level of the multi-level sequence is inconsistent.
- the two-level WUS sequence constitutes a power saving signal, which is generated as follows:
- the first-level sequence is generated as follows: frequency-domain basic sequence 1, basic sequence 2, basic sequence 3, ... basic sequence M1 is accumulated, and then a common sequence is used for the sum sequence
- the scrambling code sequence is scrambled, and then the carrier sequence is mapped to the subcarrier mapping IFFT and the CP operation is mapped to m1 OFDM symbols in the time domain to obtain the first-level sequence;
- the second-level sequence is inconsistent with the first-level generation method, specifically : Each basic sequence in the frequency domain is first subjected to an independent scrambling operation.
- the scrambling sequence is related to the group index of the grouping of the first-level sequence, and then the M-M1 sequences after the scrambling are added, and each of the second-level sequences
- the scrambling codes of the basic sequence are independent of each other, and then subcarrier mapping IFFT is performed on the sum sequence and CP operations are added to map m-m1 OFDM symbols in the time domain.
- m1 can be equal to 1
- the multi-level sequence is frequency division multiplexing.
- the power saving signal of the above structure must carry wake ID, wake ID, and the next-level sequence needs to carry the information related to the wake ID of the previous level or multi-level sequence (for example: group index information).
- group index information for example: group index information.
- the definition of the information related to the wake ID of the previous level or multi-level sequence is similar to the related description of Option 2 of Embodiment 1. If all possible sequences of the first-level sequence are regarded as a group of sequences, the group of sequences can be grouped again to obtain S subgroups, and the index of each subgroup can be used as information related to wake ID.
- the present disclosure groups possible sequences of the previous level sequence, and passes the subgroup index to the second level sequence, that is, carries the group index information of the first level sequence in the scrambling sequence of the second level sequence, and the S value
- the minimum value can be 1, and the maximum S value can be as many as the number of all sequences in the sequence, that is, the number of sequences in each sub-group is only 1.
- the S value is 1, this is equivalent to the disturbance of the first sequence
- the scrambling code sequence of the second level multilevel sequence contains a common level index such as 1 bit, which is a special case in Scheme 1.
- a larger S value is more beneficial to reduce the false alarm probability of sequence detection, and a smaller S value is more beneficial to improve the multi-user multiplexing performance of special sequences such as orthogonal sequences.
- the sequence combination formed by the two-level basic sequence corresponds to the wake ID information, and the wake ID information is carried by the scrambling sequence.
- the first level sequence uses a common scrambling code sequence to carry wake ID information, while the second level sequence scrambling code sequence also carries the group index information of the previous level sequence in addition to the wake area ID information.
- the information that needs to be carried is a function of the scrambling sequence.
- the basic sequence may be an orthogonal sequence such as a cyclic shift of a Hadamard/wash sequence/ZC sequence or a gold sequence or a ZC sequence of different roots, etc.
- the scrambling sequence is preferably a gold sequence, such as the 31 order used by NR in Embodiment 1. The gold sequence of registers.
- the basic sequence of the first-level sequence and the basic sequence of the second-level sequence are both gold sequences or Kasami sequences, while the scrambling sequence is still a long gold sequence, as described above, the register length is 31 gold sequence c(n ).
- the more specific first-level basic sequence and second-level basic sequence take the SSS sequence in the NR.
- the two-level sequence of the scheme is a gold sequence.
- the advantages of the number of users supported are many. The disadvantage is that if the number of users is particularly large when multiple sequences are superimposed, performance will be seriously lost.
- the basic sequence of the first-level sequence and the basic sequence of the second-level sequence are orthogonal sequences or ZC sequences, while the scrambling code sequence is still a long gold sequence, as described above, the register length is 31 gold sequence c ( n). More specifically, for example, the first-level basic sequence takes the Hadarmad sequence, and the second-level basic sequence also takes the Hadarmad sequence. It is assumed that the length of the single-level sequence is 128, and the two-level SSS sequence has 128*128 sequence combinations, so the number of users supported is far less than SSS+SSS, but the first-level sequence of the scheme is an orthogonal sequence, and because the second-level sequence Subgroup.
- the first-level basic sequence is an orthogonal sequence or a ZC sequence
- the second-level basic sequence is a gold sequence or Kasami sequence
- the scrambling code sequence is still a long gold sequence, as described above, the register length is 31 Gold sequence c(n).
- a more specific first-level basic sequence is a Hadarmad or ZC sequence
- a second-level basic sequence is a gold sequence such as an SSS sequence. It is assumed that the length of a single-level sequence is 128, and the two-level SSS sequence has 128*1008 sequence combinations, so more users are supported than two-level sequences are orthogonal sequences, and less than two-level sequences are gold sequences, but the performance is better than the two.
- the level sequences are all gold sequences, which are similar to the orthogonal sequences of the two level sequences.
- the first-level sequence is an orthogonal sequence such as Hadarmad
- the second-level sequence is gold such as an SSS sequence
- the base station can configure the number of power saving signal levels according to the application scenario, such as a scenario with a small number of users, You can only configure the first-level sequence to be all orthogonal sequences, and the performance of multi-user superposition will be greatly improved.
- two-level signals can be configured.
- the action of the base station is that there is a semi-static signaling carried by the RRC or the system information indicates the level index of the power saving signal used. Of course, it can also be dynamic signaling such as DCI or MAC.
- the following scheme can be adopted.
- the binary indication information composed of multiple kinds of power saving information carried in the power saving signal corresponds one-to-one to the sequence index of the multi-level sequence.
- n1+n2+n3+n4+n5 bits corresponding to the sequence index of the multilevel sequence is 2 (n1+n2+n3+n4+n5)
- the power saving information of the above four fields that need to be pointed out is just an example, it does not exclude more or less information, such as the time or frequency information related to the resource transmitting the power saving signal, the order of the multiple fields in the above table It is just an example, and other order of multiple fields is not excluded.
- the information related to wake ID can be located in the MSB or LSB as shown in the table.
- the scrambling code sequence carries at least wake ID information, but it should be noted that when the scrambling code sequence is a gold or Kasami sequence, its initial phase must carry wake ID information and other power saving information.
- the scrambling sequence can also be a function of the time or frequency information of the power saving signal, such as the initial phase and the slot index or power of the power saving signal transmission starting point
- the index of the frequency configuration of the saving signal transmission, such as the power saving information can be used as the input of the initial phase.
- the terminal behavior can be: wake up area is known to the terminal.
- the terminal first receives the power saving signal at the corresponding location, the terminal first performs the descrambling code operation, and performs correlation detection on the received signal after the descrambling code with the corresponding basic sequence known by itself to determine whether there is a corresponding power saving signal.
- the terminal needs to perform blind inspection or hypothesis testing based on the possible value of BWP index. If the terminal detects the corresponding power saving signal, it executes wakeup to perform PDCCH detection in the subsequent DRX ON, otherwise it continues to sleep.
- Embodiments 1 and 2 can realize that power saving carries various other power saving information besides wake ID and wake ID. But if the information it carries is unknown, such as BWP index information, if the BWP index is unknown, the terminal needs to perform a blind check or hypothesis test on the BWP index. This will undoubtedly increase UE detection power consumption.
- Another method is as follows:
- the network-side device first sends a sequence-based power saving signal in DRX OFF, such as the multi-level sequence shown in Embodiments 1 and 2, or the first-level sequence in the multi-level sequence based on the orthogonal sequence described in Example 2, That is, single-level sequence, the sequence-based power saving signal preferably carries only power saving information that does not require blind detection, such as wake ID, wake ID, and multi-level sequence level indication information (if it is a multi-level sequence), Known information related to energy saving channel (power saving channel). If the network-side device sends a first-level power saving signal that wakes up a wake ID, the base station will send a PDCCH-based signal within the DRX OFF period for the wake ID.
- a sequence-based power saving signal in DRX OFF such as the multi-level sequence shown in Embodiments 1 and 2, or the first-level sequence in the multi-level sequence based on the orthogonal sequence described in Example 2, That is, single-level sequence, the sequence-based power saving
- the frequency domain position of the PDCCH-based power saving signal can be the same as the sequence-based energy-saving signal (sequence-based power saving signal), and preferably can be the same as the frequency domain resource configured by the PDCCH in the DRX ON.
- Figure 7 shows an example where the second-level DCI-based power saving signal is sent in DRX ON. Similar to Figure 6, the first-level sequence-based power saving signal is sent in DRX OFF to wake up the terminal.
- the PDCCH-based power saving signal carries more
- the previously mentioned power saving information is in DRX ON, and is preferably sent in the early stage of DRX, such as in the first L slots of the DRX ON cycle (for example, L is less than or equal to a certain value such as 8), because it is in DRX
- one or more candidate transmission positions for transmitting the second-level PDCCH-based power saving signal can be pre-booked or semi-statically configured by the base station through RRC signaling, and the UE detects the second-level PDCCH based on the corresponding location power saving signal.
- the difference between the second-level PDCCH-based power saving signal and the PDCCH in the related art is that it carries a specially defined DCI for carrying power saving information.
- a terminal receives an energy-saving signal sent by a network-side device; wherein, the energy-saving signal is a multi-level sequence, and the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and a level indication of the multi-level sequence Information, the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving region, and the energy-saving region is an area indicated by the energy-saving region identifier; or the energy-saving signal includes a first-level energy-saving signal and a second-level energy-saving signal, wherein, The first-level energy-saving signal and the second-level energy-saving signal respectively carry different energy-saving information. In this way, multiple energy-saving information can be carried, thereby improving the energy-saving effect.
- FIG. 8 is a flowchart of another energy-saving signal transmission method according to an embodiment of the present disclosure. As shown in FIG. 8, it includes the following steps:
- the network side device sends an energy-saving signal to the terminal
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- BWP index BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs sub-carrier mapping, and performs an IFFT operation and adds a cyclic prefix CP, and then maps it to the corresponding transmission resource.
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF cycle; the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On cycle; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second level energy saving signal is an energy saving signal based on the physical downlink control channel PDCCH.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- this embodiment is an implementation of the network side device corresponding to the embodiment shown in FIG. 2.
- the network side device corresponding to the embodiment shown in FIG. 2.
- this embodiment will not go into details, and the same beneficial effects can also be achieved.
- FIG. 9 is a structural diagram of a terminal provided by an embodiment of the present disclosure.
- the terminal 900 includes:
- the receiving module 901 is used to receive the energy-saving signal sent by the network side device;
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth BWP index Partial bandwidth BWP index, carrier index, indication information of the number of physical layer downlink control channel PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result is sub-carrier mapped, and the inverse fast Fourier transform IFFT operation and the cyclic prefix CP are added, and then mapped onto the corresponding transmission resources.
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF cycle; the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On cycle; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second-level energy-saving signal is a PDCCH-based energy-saving signal.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- the above-mentioned terminal 900 in this embodiment may be a terminal of any implementation manner in the method embodiment in the embodiment of the present disclosure. Any implementation of the terminal in the method embodiment in the embodiment of the present disclosure may be used in this embodiment. The implementation of the foregoing terminal 900 and the same beneficial effects will not be repeated here.
- FIG. 10 is a structural diagram of a network-side device according to an embodiment of the present disclosure.
- the network-side device 1000 includes:
- the sending module 1001 is used to send an energy-saving signal to the terminal;
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- BWP index BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs sub-carrier mapping, and performs an IFFT operation and adds a cyclic prefix CP, and then maps it to the corresponding transmission resource.
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF cycle; the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On cycle; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second level energy saving signal is an energy saving signal based on the physical downlink control channel PDCCH.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- the above network side device 1000 in this embodiment may be a terminal of any implementation manner in the method embodiment in the embodiment of the present disclosure. Any implementation manner of the network side device in the method embodiment in the embodiment of the present disclosure may be used in this embodiment.
- the above-mentioned network-side device 1000 in the embodiment is implemented and achieves the same beneficial effects, which will not be repeated here.
- FIG. 11 is a structural diagram of another terminal provided by an embodiment of the present disclosure.
- the terminal includes: a transceiver 1110, a memory 1120, a processor 1100, and stored on the memory 1120 And a program that can run on the processor 1200, where:
- the transceiver 1110 is configured to receive the energy-saving signal sent by the network-side device
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the transceiver 1110 can be used to receive and send data under the control of the processor 1100.
- the bus architecture may include any number of interconnected buses and bridges, specifically, one or more processors represented by the processor 1100 and various circuits of the memory represented by the memory 1120 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
- the bus interface provides an interface.
- the transceiver 1110 may be a plurality of elements, including a transmitter and a receiver, and provides a unit for communicating with various other devices on a transmission medium.
- the processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 may store data used by the processor 1100 in performing operations.
- the memory 1120 is not limited to the terminal, and the memory 1120 and the processor 1100 may be separated in different geographic locations.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- Partial bandwidth BWP index Partial bandwidth BWP index, carrier index, indication information of the number of physical layer downlink control channel PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result is sub-carrier mapped, and the inverse fast Fourier transform IFFT operation and the cyclic prefix CP are added, and then mapped onto the corresponding transmission resources.
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF cycle; the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On cycle; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second-level energy-saving signal is a PDCCH-based energy-saving signal.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- the above-mentioned terminal in this embodiment may be a terminal of any implementation manner in the method embodiment in the embodiment of the present disclosure. Any implementation of the terminal in the method embodiment in this embodiment of the present disclosure may be used as described above in this embodiment. The realization of the terminal and the same beneficial effects will not be repeated here.
- FIG. 12 is a structural diagram of another network-side device provided by an embodiment of the present disclosure.
- the network-side device includes: a transceiver 1210, a memory 1220, a processor 1200, and stored in the The program on the memory 1220 and executable on the processor, wherein:
- the transceiver 1210 is used to send an energy-saving signal to a terminal
- the energy-saving signal is a multi-level sequence
- the multi-level sequence carries at least an energy-saving identifier, an energy-saving area identifier, and level indication information of the multi-level sequence.
- the energy-saving identifier corresponds to a terminal that needs to be awakened in the energy-saving area
- the energy-saving area is an area indicated by the energy-saving area identifier; or
- the energy saving signal includes a first level energy saving signal and a second level energy saving signal, wherein the first level energy saving signal and the second level energy saving signal respectively carry different energy saving information.
- the transceiver 1210 can be used to receive and send data under the control of the processor 1200.
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 1200 and various circuits of the memory represented by the memory 1220 are linked together.
- the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
- the bus interface provides an interface.
- the transceiver 1210 may be a plurality of elements, including a transmitter and a receiver, and provides a unit for communicating with various other devices on a transmission medium.
- the processor 1200 is responsible for managing the bus architecture and general processing, and the memory 1220 may store data used by the processor 1200 in performing operations.
- the memory 1220 is not limited to only on the network side device, and the memory 1220 and the processor 1200 may be separated in different geographic locations.
- the level indication information of the multi-level sequence includes:
- the first level sequence in the multilevel sequence does not carry level indication information, and the level indication information carried by the remaining level sequences; or
- the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence.
- the level indication information includes:
- Level index information or group index information are examples of levels.
- the multi-level sequence also carries at least one of the following:
- BWP index BWP index, carrier index, indication information of the number of PDCCH detection cycles to be skipped, and resource information of the energy-saving signal.
- the carrier index is a carrier index in at least one carrier index semi-statically configured on the network side;
- the number of PDCCH detection cycles that need to be skipped is one of the skipped numbers of at least one PDCCH detection cycle semi-statically configured on the network side.
- the multi-level sequence is a multi-level sequence without a scrambling sequence
- each level sequence in the multi-level sequence is a gold sequence, the energy-saving identifier, the energy-saving area identifier, and the multi-level sequence
- the level indication information is a function of the initial phase of the gold sequence.
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the multi-level sequence carries the energy-saving area identifier and the level indication information, and the basic sequence of the multi-level sequence Carry the energy-saving logo; or
- the multi-level sequence is a multi-level sequence with a scrambling code sequence, and the scrambling code sequence of the next-level sequence in the multi-level sequence carries level indication information of the previous level or the previous multi-level sequence.
- the basic sequence carries the energy-saving identifier.
- the scrambling code sequence of the multi-level sequence carries the energy-saving region identifier and the level indication information
- the scrambling code sequence of each level sequence in the multi-level sequence is different, and the The scrambling sequence of multiple sequences is the same;
- the scrambling code sequence of the next-level sequence in the multi-level sequence carries the level indication information of the previous level or the previous multi-level sequence
- the scrambling code sequence of each level sequence in the multi-level sequence is different.
- the multi-level sequence includes at least a first-level sequence and a second-level sequence
- the basic sequences of the first-level sequence and the second-level sequence are the same type of sequence, and the same type of sequence is an orthogonal sequence, a gold sequence, a ZC sequence position or a Kasami sequence; or
- the basic sequence of the first-level sequence is one of the orthogonal sequence, the gold sequence, and the Kasami sequence at the ZC sequence position
- the basic sequence of the second-level sequence is the orthogonal sequence, the gold sequence, and Kasami at the ZC sequence position. The other in the sequence.
- the energy-saving signal carries binary indication information composed of various energy-saving information corresponding to the sequence index of the multi-level sequence; wherein, the plurality of energy-saving information includes at least the energy-saving identifier and the energy-saving region identifier And the level indication information of the multi-level sequence; and/or
- the second-level sequence is only detected when the terminal detects the first-level sequence
- the superimposed result performs sub-carrier mapping, and performs an IFFT operation and adds a cyclic prefix CP, and then maps it to the corresponding transmission resource.
- different fields of the sequence index of the multi-level sequence correspond to different energy-saving information.
- the first-level energy-saving signal carries energy-saving information that does not require blind inspection
- the second-level energy saving signal carries at least energy saving information that cannot be predicted in advance.
- the first-level energy-saving signal is transmitted in a discontinuous reception sleep DRX OFF cycle; the second-level energy-saving signal is transmitted in a DRX OFF or discontinuous reception activated DRX On cycle; and/or
- the first-level energy-saving signal is a single-level sequence or a multi-level sequence
- the second level energy saving signal is an energy saving signal based on the physical downlink control channel PDCCH.
- the candidate position for sending the second-level energy saving signal in the DRX On period is a semi-static configuration, or the network-side device and the terminal have agreed in advance.
- the above network side device may be a network side device in any implementation manner in the method embodiment in the embodiment of the present disclosure, and any implementation manner of the network side device in the method embodiment in the present disclosure embodiment may be It is achieved by the above network-side device in this embodiment, and the same beneficial effects are achieved, which will not be repeated here.
- An embodiment of the present disclosure also provides a computer-readable storage medium on which a computer program is stored, which is characterized in that when the program is executed by a processor, the steps in the method for transmitting an energy-saving signal on the terminal side provided by the embodiment of the present disclosure are implemented Or, when the program is executed by the processor, the steps in the method for transmitting energy-saving signals on the network side device side provided by the embodiments of the present disclosure are implemented.
- the disclosed method and apparatus 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, and there may be other divisions in actual implementation, for example, 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, and may be in electrical, mechanical, or other forms.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware, or in the form of hardware plus software functional units.
- the above integrated unit implemented in the form of a software functional unit may be stored in a computer-readable storage medium.
- the above software functional unit is stored in a storage medium, and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to perform part of the processing method of the information data blocks described in various embodiments of the present disclosure step.
- the foregoing storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .
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Abstract
Description
Claims (45)
- 一种节能信号的传输方法,包括:终端接收网络侧设备发送的节能信号;其中,所述节能信号为多级序列,且所述多级序列至少携带节能标识、节能区域标识和所述多级序列的级指示信息,所述节能标识与节能区域内需要唤醒的终端对应,所述节能区域为所述节能区域标识指示的区域;或者所述节能信号包括第一级节能信号和第二级节能信号,其中,所述第一级节能信号和所述第二级节能信号分别携带不同的节能信息。
- 如权利要求1所述的方法,其中,所述多级序列的级指示信息包括:每级序列携带的级指示信息;或者所述多级序列中第一级序列不携带级指示信息,其余级序列携带的级指示信息;或者所述多级序列中后一级序列携带前一级或者前多级序列的级指示信息。
- 如权利要求2所述的方法,其中,所述级指示信息包括:级索引信息或者分组索引信息。
- 如权利要求1所述的方法,其中,所述多级序列还携带有如下至少一项:部分带宽BWP索引、载波索引、需要跳过的物理层下行控制信道PDCCH检测周期的个数的指示信息、所述节能信号的资源信息。
- 如权利要求4所述的方法,其中,所述载波索引为网络侧半静态配置的至少一个载波索引中的载波索引;和/或所述需要跳过的PDCCH检测周期的个数为网络侧半静态配置的至少一个的PDCCH检测周期的跳过个数中的一个。
- 如权利要求1所述的方法,其中,所述多级序列为不存在扰码序列的多级序列,且所述多级序列中每级序列为gold序列,所述节能标识、所述节能区域标识和所述多级序列的级指示信息是gold序列初始相位的函数。
- 如权利要求1所述的方法,其中,所述多级序列为存在扰码序列的多级序列,且所述多级序列的扰码序列携带所述节能区域标识和所述级指示信 息,所述多级序列的基础序列携带所述节能标识;或者所述多级序列为存在扰码序列的多级序列,且所述多级序列中后一级序列的扰码序列携带前一级或者前多级序列的级指示信息,所述多级序列的基础序列携带所述节能标识。
- 如权利要求7所述的方法,其中,在所述多级序列的扰码序列携带所述节能区域标识和所述级指示信息的情况下,所述多级序列中每级序列的扰码序列不同,且同一级内的多个序列的扰码序列相同;或者在所述多级序列中后一级序列的扰码序列携带前一级或者前多级序列的级指示信息的情况下,所述多级序列中每级序列的扰码序列不同。
- 如权利要求8所述的方法,其中,所述多级序列至少包括第一级序列和第二级序列;其中,所述第一级序列和所述第二级序列的基础序列为同一类型的序列,所述同一类型的序列为正交序列、gold序列、ZC序列位或者Kasami序列;或者所述第一级序列的基础序列为正交序列、gold序列、ZC序列位的Kasami序列中的一者,所述第二级序列的基础序列为正交序列、gold序列、ZC序列位的Kasami序列中的另一者。
- 如权利要求1至9中任一项所述的方法,其中,所述节能信号携带多种节能信息构成的二元指示信息与所述多级序列的序列索引对应;其中,所述多种节能信息至少包括所述节能标识、所述节能区域标识和所述多级序列的级指示信息;和/或在所述多级序列包括第一级序列和第二级序列的情况下,所述终端检测到所述第一级序列的情况下,才执行所述第二级序列的检测;和/或所述多级序列中的每一级序列存在如下特征:一个或者多个基础序列叠加;所述叠加后的结果进行子载波映射,并执行快速傅里叶逆变换IFFT操作和添加循环前缀CP,再映射至相应的传输资源上。
- 如权利要求10所述的方法,其中,所述多级序列的序列索引不同的字段对应不同的节能信息。
- 如权利要求1所述的方法,其中,所述第一级节能信号携带不需要盲检的节能信息;所述第二级节能信号至少携带无法提前预知的节能信息。
- 如权利要求1或12所述的方法,其中,所述第一级节能信号在非连续接收睡眠DRX OFF周期内传输;所述第二级节能信号在DRX OFF或者非连续接收激活DRX On周期内传输;和/或所述第一级节能信号为单级序列或者多级序列;和/或所述第二级节能信号为基于PDCCH的节能信号。
- 如权利要求13所述的方法,其中,所述DRX On周期内发送所述第二级节能信号的候选位置为半静态配置,或者所述网络侧设备与所述终端预先约定。
- 一种节能信号的传输方法,包括:网络侧设备向终端发送节能信号;其中,所述节能信号为多级序列,且所述多级序列至少携带节能标识、节能区域标识和所述多级序列的级指示信息,所述节能标识与节能区域内需要唤醒的终端对应,所述节能区域为所述节能区域标识指示的区域;或者所述节能信号包括第一级节能信号和第二级节能信号,其中,所述第一级节能信号和所述第二级节能信号分别携带不同的节能信息。
- 如权利要求15所述的方法,其中,所述多级序列的级指示信息包括:每级序列携带的级指示信息;或者所述多级序列中第一级序列不携带级指示信息,其余级序列携带的级指示信息;或者所述多级序列中后一级序列携带前一级或者前多级序列的级指示信息。
- 如权利要求16所述的方法,其中,所述级指示信息包括:级索引信息或者分组索引信息。
- 如权利要求15所述的方法,其中,所述多级序列还携带有如下至少一项:BWP索引、载波索引、需要跳过的PDCCH检测周期的个数的指示信息、所述节能信号的资源信息。
- 如权利要求18所述的方法,其中,所述载波索引为网络侧半静态配置的至少一个载波索引中的载波索引;和/或所述需要跳过的PDCCH检测周期的个数为网络侧半静态配置的至少一个的PDCCH检测周期的跳过个数中的一个。
- 如权利要求15所述的方法,其中,所述多级序列为不存在扰码序列的多级序列,且所述多级序列中每级序列为gold序列,所述节能标识、所述节能区域标识和所述多级序列的级指示信息是gold序列初始相位的函数。
- 如权利要求15所述的方法,其中,所述多级序列为存在扰码序列的多级序列,且所述多级序列的扰码序列携带所述节能区域标识和所述级指示信息,所述多级序列的基础序列携带所述节能标识;或者所述多级序列为存在扰码序列的多级序列,且所述多级序列中后一级序列的扰码序列携带前一级或者前多级序列的级指示信息,所述多级序列的基础序列携带所述节能标识。
- 如权利要求21所述的方法,其中,在所述多级序列的扰码序列携带所述节能区域标识和所述级指示信息的情况下,所述多级序列中每级序列的扰码序列不同,且同一级内的多个序列的扰码序列相同;或者在所述多级序列中后一级序列的扰码序列携带前一级或者前多级序列的级指示信息的情况下,所述多级序列中每级序列的扰码序列不同。
- 如权利要求22所述的方法,其中,所述多级序列至少包括第一级序列和第二级序列;其中,所述第一级序列和所述第二级序列的基础序列为同一类型的序列,所述同一类型的序列为正交序列、gold序列、ZC序列位或者Kasami序列;或者所述第一级序列的基础序列为正交序列、gold序列、ZC序列位的Kasami序列中的一者,所述第二级序列的基础序列为正交序列、gold序列、ZC序列位的Kasami序列中的另一者。
- 如权利要求15至23中任一项所述的方法,其中,所述节能信号携带多种节能信息构成的二元指示信息与所述多级序列的序列索引对应;其中,所述多种节能信息至少包括所述节能标识、所述节能 区域标识和所述多级序列的级指示信息;和/或在所述多级序列包括第一级序列和第二级序列的情况下,所述终端检测到所述第一级序列的情况下,才执行所述第二级序列的检测;和/或所述多级序列中的每一级序列存在如下特征:一个或者多个基础序列叠加;所述叠加后的结果进行子载波映射,并执行IFFT操作和添加循环前缀CP,再映射至相应的传输资源上。
- 如权利要求24所述的方法,其中,所述多级序列的序列索引不同的字段对应不同的节能信息。
- 如权利要求15所述的方法,其中,所述第一级节能信号携带不需要盲检的节能信息;所述第二级节能信号至少携带无法提前预知的节能信息。
- 如权利要求15或26所述的方法,其中,所述第一级节能信号在非连续接收睡眠DRX OFF周期内传输;所述第二级节能信号在DRX OFF或者非连续接收激活DRX On周期内传输;和/或所述第一级节能信号为单级序列或者多级序列;和/或所述第二级节能信号为基于物理下行控制信道PDCCH的节能信号。
- 如权利要求27所述的方法,其中,所述DRX On周期内发送所述第二级节能信号的候选位置为半静态配置,或者所述网络侧设备与所述终端预先约定。
- 一种终端,包括:接收模块,用于接收网络侧设备发送的节能信号;其中,所述节能信号为多级序列,且所述多级序列至少携带节能标识、节能区域标识和所述多级序列的级指示信息,所述节能标识与节能区域内需要唤醒的终端对应,所述节能区域为所述节能区域标识指示的区域;或者所述节能信号包括第一级节能信号和第二级节能信号,其中,所述第一级节能信号和所述第二级节能信号分别携带不同的节能信息。
- 如权利要求29所述的终端,其中,所述多级序列的级指示信息包括:每级序列携带的级指示信息;或者所述多级序列中第一级序列不携带级指示信息,其余级序列携带的级指示信息;或者所述多级序列中后一级序列携带前一级或者前多级序列的级指示信息。
- 如权利要求29所述的终端,其中,所述多级序列还携带有如下至少一项:部分带宽BWP索引、载波索引、需要跳过的PDCCH检测周期的个数的指示信息、所述节能信号的资源信息。
- 如权利要求29至31中任一项所述的终端,其中,所述节能信号携带多种节能信息构成的二元指示信息与所述多级序列的序列索引对应;其中,所述多种节能信息至少包括所述节能标识、所述节能区域标识和所述多级序列的级指示信息;和/或在所述多级序列包括第一级序列和第二级序列的情况下,所述终端检测到所述第一级序列的情况下,才执行所述第二级序列的检测;和/或所述多级序列中的每一级序列存在如下特征:一个或者多个基础序列叠加;所述叠加后的结果进行子载波映射,并执行IFFT操作和添加CP,再映射至相应的传输资源上。
- 一种网络侧设备,包括:发送模块,用于向终端发送节能信号;其中,所述节能信号为多级序列,且所述多级序列至少携带节能标识、节能区域标识和所述多级序列的级指示信息,所述节能标识与节能区域内需要唤醒的终端对应,所述节能区域为所述节能区域标识指示的区域;或者所述节能信号包括第一级节能信号和第二级节能信号,其中,所述第一级节能信号和所述第二级节能信号分别携带不同的节能信息。
- 如权利要求33所述的网络侧设备,其中,所述多级序列的级指示信息包括:每级序列携带的级指示信息;或者所述多级序列中第一级序列不携带级指示信息,其余级序列携带的级指示信息;或者所述多级序列中后一级序列携带前一级或者前多级序列的级指示信息。
- 如权利要求33所述的网络侧设备,其中,所述多级序列还携带有如下至少一项:部分带宽BWP索引、载波索引、需要跳过的PDCCH检测周期的个数的指示信息、所述节能信号的资源信息。
- 如权利要求33至35中任一项所述的网络侧设备,其中,所述节能信号携带多种节能信息构成的二元指示信息与所述多级序列的序列索引对应;其中,所述多种节能信息至少包括所述节能标识、所述节能区域标识和所述多级序列的级指示信息;和/或在所述多级序列包括第一级序列和第二级序列的情况下,所述终端检测到所述第一级序列的情况下,才执行所述第二级序列的检测;和/或所述多级序列中的每一级序列存在如下特征:一个或者多个基础序列叠加;所述叠加后的结果进行子载波映射,并执行IFFT操作和添加CP,再映射至相应的传输资源上。
- 一种终端,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序,所述收发机,用于接收网络侧设备发送的节能信号;其中,所述节能信号为多级序列,且所述多级序列至少携带节能标识、节能区域标识和所述多级序列的级指示信息,所述节能标识与节能区域内需要唤醒的终端对应,所述节能区域为所述节能区域标识指示的区域;或者所述节能信号包括第一级节能信号和第二级节能信号,其中,所述第一级节能信号和所述第二级节能信号分别携带不同的节能信息。
- 如权利要求37所述的终端,其中,所述多级序列的级指示信息包括:每级序列携带的级指示信息;或者所述多级序列中第一级序列不携带级指示信息,其余级序列携带的级指示信息;或者所述多级序列中后一级序列携带前一级或者前多级序列的级指示信息。
- 如权利要求37所述的终端,其中,所述多级序列还携带有如下至少 一项:部分带宽BWP索引、载波索引、需要跳过的PDCCH检测周期的个数的指示信息、所述节能信号的资源信息。
- 如权利要求37至39中任一项所述的终端,其中,所述节能信号携带多种节能信息构成的二元指示信息与所述多级序列的序列索引对应;其中,所述多种节能信息至少包括所述节能标识、所述节能区域标识和所述多级序列的级指示信息;和/或在所述多级序列包括第一级序列和第二级序列的情况下,所述终端检测到所述第一级序列的情况下,才执行所述第二级序列的检测;和/或所述多级序列中的每一级序列存在如下特征:一个或者多个基础序列叠加;所述叠加后的结果进行子载波映射,并执行快速傅里叶逆变换IFFT操作和添加循环前缀CP,再映射至相应的传输资源上。
- 一种网络侧设备,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序,所述收发机,用于向终端发送节能信号;其中,所述节能信号为多级序列,且所述多级序列至少携带节能标识、节能区域标识和所述多级序列的级指示信息,所述节能标识与节能区域内需要唤醒的终端对应,所述节能区域为所述节能区域标识指示的区域;或者所述节能信号包括第一级节能信号和第二级节能信号,其中,所述第一级节能信号和所述第二级节能信号分别携带不同的节能信息。
- 如权利要求41所述的网络侧设备,其中,所述多级序列的级指示信息包括:每级序列携带的级指示信息;或者所述多级序列中第一级序列不携带级指示信息,其余级序列携带的级指示信息;或者所述多级序列中后一级序列携带前一级或者前多级序列的级指示信息。
- 如权利要求41所述的网络侧设备,其中,所述多级序列还携带有如下至少一项:部分带宽BWP索引、载波索引、需要跳过的PDCCH检测周期的个数的指示信息、所述节能信号的资源信息。
- 如权利要求41至43中任一项所述的网络侧设备,其中,所述节能信号携带多种节能信息构成的二元指示信息与所述多级序列的序列索引对应;其中,所述多种节能信息至少包括所述节能标识、所述节能区域标识和所述多级序列的级指示信息;和/或在所述多级序列包括第一级序列和第二级序列的情况下,所述终端检测到所述第一级序列的情况下,才执行所述第二级序列的检测;和/或所述多级序列中的每一级序列存在如下特征:一个或者多个基础序列叠加;所述叠加后的结果进行子载波映射,并执行快速傅里叶逆变换IFFT操作和添加循环前缀CP,再映射至相应的传输资源上。
- 一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现如权利要求1至14中任一项所述的节能信号的传输方法中的步骤,或者该程序被处理器执行时实现如权利要求15至28中任一项所述的节能信号的传输方法中的步骤。
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EP4240052A4 (en) * | 2020-11-16 | 2023-11-29 | Huawei Technologies Co., Ltd. | METHOD AND DEVICE FOR SENDING SEQUENCES |
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CN113133090B (zh) * | 2019-12-30 | 2023-03-31 | 大唐移动通信设备有限公司 | 信号传输方法及装置 |
EP4207881A4 (en) * | 2020-09-11 | 2023-11-01 | Huawei Technologies Co., Ltd. | COMMUNICATION METHOD AND APPARATUS |
CN118318475A (zh) * | 2021-11-30 | 2024-07-09 | Oppo广东移动通信有限公司 | 信息获取方法、装置、设备及存储介质 |
WO2024073051A1 (en) * | 2022-09-29 | 2024-04-04 | Interdigital Patent Holdings, Inc. | Low-power wake up signal associated with drx |
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JP7208406B2 (ja) | 2023-01-18 |
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US20220116877A1 (en) | 2022-04-14 |
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