WO2020221130A1 - Procédé d'envoi de paramètre d'économie d'énergie, procédé de réception de paramètre d'économie d'énergie, et dispositifs - Google Patents

Procédé d'envoi de paramètre d'économie d'énergie, procédé de réception de paramètre d'économie d'énergie, et dispositifs Download PDF

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Publication number
WO2020221130A1
WO2020221130A1 PCT/CN2020/086731 CN2020086731W WO2020221130A1 WO 2020221130 A1 WO2020221130 A1 WO 2020221130A1 CN 2020086731 W CN2020086731 W CN 2020086731W WO 2020221130 A1 WO2020221130 A1 WO 2020221130A1
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WIPO (PCT)
Prior art keywords
dci format
terminal
frequency domain
resource allocation
information
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PCT/CN2020/086731
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English (en)
Chinese (zh)
Inventor
杨拓
胡丽洁
王飞
王启星
刘光毅
李男
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2020221130A1 publication Critical patent/WO2020221130A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • 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 mobile communication technologies, and in particular to a method for sending, a method for receiving energy-saving parameters, and equipment.
  • a user equipment can configure at most 3 control resource sets (CORESET, COntrol REsource SET) and 10 on an activated bandwidth part (Bandwith Part, BWP) Search space.
  • CORESET mainly configures the resource location where the PDCCH is located, including frequency domain resources, resource mapping mode, and resource particle group bundle (REG bundle) size.
  • the search space set mainly configures the detection period, detection offset value, detection time length, aggregation level, and the number of PDCCH candidate sets for each aggregation level, etc. of the search space set.
  • the high-level signaling configures the search space, it will configure its detection period and detection offset value, search space type, DCI format to be detected and other parameters.
  • the UE detects the PDCCH in different search spaces according to the time domain detection position configured by the high-layer signaling.
  • different search spaces can correspond to different search space types and different detection positions.
  • the UE usually can only perform PDCCH detection according to the detection position configured by the higher layer signaling. However, due to the uncertainty of the data packet arrival time, the UE may detect the PDCCH but fails to detect the scheduling information in the downlink control information (DCI). In this case, the UE performs useless PDCCH detection behavior, which consumes Energy consumption.
  • DCI downlink control information
  • At least one embodiment of the present disclosure provides a method for sending energy saving parameters, a method for receiving energy saving parameters, and equipment.
  • the energy saving parameters sent between a base station and a terminal provide support for the terminal to perform energy saving processing and reduce the energy consumption of the terminal.
  • At least one embodiment provides a method for sending energy saving parameters, including:
  • the energy-saving parameter includes the time length K during which the terminal does not detect the PDCCH after receiving the first DCI format, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the step of sending the first DCI format used to indicate the energy saving parameter of the terminal includes:
  • the first DCI format is sent to the terminal, and the cyclic redundancy check CRC information of the first DCI format is scrambled via the cell radio network temporary identification C-RNTI or the predefined first RNTI.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the first DCI format is DCI format 0_1:
  • the frequency domain resource allocation field is all 0;
  • the frequency domain resource allocation field is all 1s
  • the frequency domain resource allocation field is all 1s, and the frequency domain hopping indication field is all 0s;
  • the frequency domain resource allocation domain is all 0 or all 1;
  • the frequency domain resource allocation field is all 0 or all 1
  • the frequency domain hopping indication field is all 0.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the method further includes:
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the step of sending the first DCI format to the terminal includes:
  • the first DCI format includes multiple sets of information fields indicating the energy-saving parameters, and each set of information fields indicating the energy-saving parameters corresponds to a cell
  • the cell includes a primary cell/primary serving cell and/or a secondary cell/secondary serving cell, and each group of the energy-saving parameters includes the time length K during which the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, And/or, the value or value range of the high-level configuration parameter of the terminal in the corresponding cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • At least one embodiment provides a method for receiving energy saving parameters, including:
  • the terminal receives the first downlink control information DCI format sent by the network, where the first DCI format is used to indicate the energy-saving parameters of the terminal, and the energy-saving parameters include the information that the terminal does not detect the PDCCH after receiving the first DCI format Time length K, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the method further includes:
  • the scrambling mode of the CRC information of the first DCI and/or the value of the predetermined field in the first DCI format it is determined whether the first DCI format is used to indicate the scheduling information of the terminal or is used to indicate the terminal Energy-saving parameters.
  • the method further includes:
  • the terminal When the first DCI format is used to indicate an energy-saving parameter of the terminal, the terminal obtains the energy-saving parameter from the first DCI, and executes corresponding energy-saving processing according to the energy-saving parameter.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the cyclic redundancy check CRC information in the first DCI format is scrambled via a cell radio network temporary identification C-RNTI or a predefined first RNTI.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the first DCI format is used to indicate the energy-saving parameter of the terminal:
  • the first DCI format is DCI format 0_0
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the first DCI format is used to indicate the energy-saving parameter of the terminal:
  • the first DCI format is DCI format 0_1, and:
  • the terminal is only configured with resource allocation type 0, and the frequency domain resource allocation field is all 0; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation field is all 1s; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation field is all 1, and the frequency domain hopping indication field is all 0; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation domain is all 0 or all 1; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation domain is all 0s or all 1, and the frequency domain hopping indication domain is all 0s.
  • the first DCI format when the CRC information of the first DCI format is scrambled by the first RNTI, it is determined that the first DCI format is used to indicate the energy-saving parameter of the terminal.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the method further includes:
  • the receiving network configures the first RNTI for the terminal through high-level signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the terminal accesses one primary cell/primary serving cell and at least one secondary cell/secondary serving cell
  • the first downlink control information DCI format sent by the network is received
  • the steps include:
  • the first DCI format includes multiple sets of information fields indicating the energy-saving parameters, each set of information fields indicating the energy-saving parameters corresponds to a cell, and the cell includes a primary cell/primary serving cell and/or secondary cell/ In the secondary serving cell, each group of the energy-saving parameters includes the length of time K that the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, and/or the high-level configuration parameters of the terminal in the corresponding cell Value or range of values.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • At least one embodiment provides a base station, including:
  • a transceiver configured to send the first downlink control information DCI format used to indicate the energy-saving parameters of the terminal;
  • the energy-saving parameter includes the time length K during which the terminal does not detect the PDCCH after receiving the first DCI format, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the transceiver is further configured to send a first DCI format to the terminal, and the cyclic redundancy check CRC information of the first DCI format is temporarily identified by the cell radio network C-RNTI. Or the predefined first RNTI scrambling.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the first DCI format is DCI format 0_1:
  • the frequency domain resource allocation field is all 0;
  • the frequency domain resource allocation field is all 1s
  • the frequency domain resource allocation field is all 1s, and the frequency domain hopping indication field is all 0s;
  • the frequency domain resource allocation domain is all 0 or all 1;
  • the frequency domain resource allocation field is all 0 or all 1
  • the frequency domain hopping indication field is all 0.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the base station further includes:
  • the processor is configured to configure the first RNTI for the terminal through high-layer signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the transceiver is further configured to provide the terminal to the primary cell/primary serving cell and at least one secondary cell/secondary serving cell when the terminal accesses
  • the terminal sends the first DCI format
  • the first DCI format includes multiple sets of information fields indicating the energy-saving parameters, and each set of information fields indicating the energy-saving parameters corresponds to a cell
  • the cell includes a primary cell/ Primary serving cell and/or secondary cell/secondary serving cell
  • each group of the energy-saving parameters includes the length of time K during which the terminal does not detect PDCCH in the corresponding cell after receiving the first DCI format, and/or, in the corresponding cell
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • At least one embodiment provides a terminal, including:
  • the transceiver is configured to receive the first downlink control information DCI format sent by the network, where the first DCI format is used to indicate the energy-saving parameter of the terminal, and the energy-saving parameter includes that after the terminal receives the first DCI format The time length K for not detecting the PDCCH, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the terminal further includes:
  • a processor configured to determine that the first DCI format is the scheduling information used to indicate the terminal according to the scrambling mode of the CRC information of the first DCI and/or the value of the predetermined field in the first DCI format Or used to indicate the energy-saving parameters of the terminal.
  • the processor is further configured to, when the first DCI format is used to indicate an energy-saving parameter of the terminal, the terminal obtains the energy-saving parameter from the first DCI, And execute corresponding energy saving processing according to the energy saving parameter.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the cyclic redundancy check CRC information in the first DCI format is scrambled via a cell radio network temporary identification C-RNTI or a predefined first RNTI.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the processor is further configured to determine that the first DCI format is used to indicate the energy-saving parameter of the terminal when the following conditions are met:
  • the first DCI format is DCI format 0_0
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the processor is further configured to determine that the first DCI format is used to indicate the energy-saving parameter of the terminal when any of the following conditions is met:
  • the first DCI format is DCI format 0_1, and:
  • the terminal is only configured with resource allocation type 0, and the frequency domain resource allocation field is all 0; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation field is all 1s; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation field is all 1, and the frequency domain hopping indication field is all 0; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation domain is all 0 or all 1; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation domain is all 0s or all 1, and the frequency domain hopping indication domain is all 0s.
  • the processor is further configured to determine that the first DCI format is used to instruct the terminal when the CRC information of the first DCI format is scrambled by the first RNTI Energy-saving parameters.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the transceiver is further configured to receive the configuration of the first RNTI for the terminal by the network through high-level signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the transceiver is further configured to send the receiving network to the primary cell when the terminal accesses one primary cell/primary serving cell and at least one secondary cell/secondary serving cell.
  • the first DCI format sent by the terminal includes multiple sets of information fields indicating the energy-saving parameters, each set of information fields indicating the energy-saving parameters corresponds to a cell, and the cell includes Primary cell/primary serving cell and/or secondary cell/secondary serving cell, each group of said energy saving parameters includes the length of time K during which the terminal does not detect PDCCH in the corresponding cell after receiving the first DCI format, and/or, The value or value range of the high-level configuration parameter of the terminal in the corresponding cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • At least one embodiment provides a communication device, including: a memory, a processor, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor When executed, the steps of the method described above are implemented.
  • At least one embodiment provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the above Method steps.
  • the energy-saving parameter sending method, receiving method, and device provided by the embodiments of the present disclosure provide support for the terminal to perform energy-saving reference through the energy-saving parameter sent between the base station and the terminal, and reduce the device energy consumption of the terminal.
  • FIG. 1 is a schematic diagram of an application scenario of a method for sending energy saving parameters according to an embodiment of the disclosure
  • FIG. 2 is a schematic flowchart of a method for sending energy-saving parameters provided by an embodiment of the disclosure
  • FIG. 3 is another schematic flowchart of a method for receiving energy-saving parameters according to an embodiment of the disclosure
  • FIG. 4 is a schematic structural diagram of a base station provided by an embodiment of the disclosure.
  • FIG. 5 is a schematic diagram of another structure of a base station provided by an embodiment of the disclosure.
  • FIG. 6 is a schematic structural diagram of a terminal provided by an embodiment of the disclosure.
  • FIG. 7 is a schematic diagram of another structure of a terminal provided by an embodiment of the disclosure.
  • LTE Long Time Evolution
  • LTE-A Long Time Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • SC-FDMA Single Carrier Frequency Division Multiple Access
  • the terms “system” and “network” are often used interchangeably.
  • the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
  • UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
  • the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
  • OFDMA system can realize such as UltraMobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE802.20, Flash-OFDM, etc. Radio technology.
  • UMB UltraMobile Broadband
  • Evolved UTRA Evolved UTRA
  • E-UTRA Evolved UTRA
  • IEEE802.11 Wi-Fi
  • WiMAX IEEE 802.16
  • IEEE802.20 Flash-OFDM
  • Flash-OFDM Flash-OFDM
  • UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
  • CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
  • the technology described in this article can be used for the systems and radio technologies mentioned above as well as other systems and radio technologies.
  • the following description describes the NR system for exemplary purposes, and NR terminology is used in most of the description below, although these techniques can also be applied to applications other than NR system applications.
  • the terminal may perform useless PDCCH detection, resulting in unnecessary energy consumption.
  • the terminal may perform useless PDCCH detection, resulting in unnecessary energy consumption.
  • one way is to reconfigure the configuration information of the terminal's search space through high-level signaling, but the high-level signaling delays too much. Large, unable to dynamically adapt to business characteristics.
  • Another way is to instruct the terminal to avoid useless PDCCH detection through physical layer signaling.
  • the network side can determine whether there is data of a certain terminal that needs to be scheduled in the next period of time according to the current buffer, so the physical layer dynamic signaling can be used to indicate that the terminal does not need to detect the PDCCH in the next period of time.
  • configuration parameters of high-level signaling may also affect the energy consumption effects of the terminal, such as scheduling timing, the number of MIMO layers, etc. Therefore, dynamic signaling can also be used to instruct the terminal to change these parameters, thereby achieving the effect of energy saving.
  • the wireless communication system includes a terminal 11 and a base station 12.
  • the terminal 11 may also be called a user terminal or a user equipment (UE, User Equipment), and the terminal 11 may be a mobile phone, a tablet (Personal Computer), a laptop (Laptop Computer), or a personal digital assistant (Personal Digital Assistant).
  • PDA mobile Internet device
  • MID mobile Internet Device
  • Wearable Device wearable device
  • vehicle-mounted equipment it should be noted that the specific type of terminal 11 is not limited in the embodiments of the present disclosure .
  • the base station 12 may be various base stations and/or core network elements.
  • the above-mentioned base stations may be 5G and later base stations (for example: gNB, 5G NR NB, etc.), or base stations in other communication systems (for example: eNB, WLAN access point, or other access points, etc.), where the base station 12 can be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver , Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node or some other appropriate term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical vocabulary. It should be noted that in the embodiments of the present disclosure, only the base station in the NR system is taken as an example. However, the specific type of base station is not limited.
  • the base station 12 may communicate with the terminal 11 under the control of the base station controller.
  • the base station controller may be a part of a core network or some base stations. Some base stations can communicate control information or user data with the core network through the backhaul. In some examples, some of these base stations may directly or indirectly communicate with each other through a backhaul link, which may be a wired or wireless communication link.
  • the wireless communication system can support operations on multiple carriers (waveform signals of different frequencies). Multi-carrier transmitters can simultaneously transmit modulated signals on these multiple carriers. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal can be sent on a different carrier and can carry control information (for example, reference signals, control channels, etc.), overhead information, data, and so on.
  • the base station 12 can wirelessly communicate with the terminal 11 via one or more access point antennas. Each base station can provide communication coverage for its corresponding coverage area. The coverage area of an access point can be divided into sectors that constitute only a part of the coverage area.
  • the wireless communication system may include different types of base stations (for example, macro base stations, micro base stations, or pico base stations). The base station can also utilize different radio technologies, such as cellular or WLAN radio access technologies.
  • the base stations can be associated with the same or different access networks or operator deployments.
  • the coverage areas of different base stations may overlap.
  • the communication link in the wireless communication system may include an uplink for carrying uplink (UL) transmission (for example, from the terminal 11 to the base station 12), or for carrying downlink (DL) transmission (For example, from the base station 12 to the terminal 11) downlink.
  • UL transmission may also be referred to as reverse link transmission
  • DL transmission may also be referred to as forward link transmission.
  • Downlink transmission can use licensed frequency bands, unlicensed frequency bands, or both.
  • uplink transmission can be performed using licensed frequency bands, unlicensed frequency bands, or both.
  • the network equipment in the embodiments of the present disclosure may be implemented by the base station (access network node) in FIG. 2, or by the core network node, or by the access network node and the core network node.
  • a method for sending energy-saving parameters provided by an embodiment of the present disclosure, applied to the base station side, includes:
  • Step 21 Send a first DCI format used to indicate energy saving parameters of the terminal.
  • the energy-saving parameter includes the time length K during which the terminal does not detect the PDCCH after receiving the first DCI format, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the first DCI format may specifically be DCI format 0_0 and/or DCI format 0_1.
  • the time length K in the energy saving parameter may indicate the time range for the terminal to stop performing PDCCH detection, so that the power consumption of the terminal due to PDCCH detection can be saved.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a timeslot, milliseconds, subframe, or a multiple of the first DCI detection period.
  • the value or value range of the high-level configuration parameter in the energy-saving parameters may specifically include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first The time slot offset value k2 of the PUSCH scheduled in the DCI format and the first DCI format, the number of multiple input multiple output (MIMO) layers, the number of antennas, and discontinuous reception (DRX) configuration parameters.
  • the time slot offset value k0 can enable the terminal to reduce unnecessary receiving processing and reduce receiving energy consumption when scheduling data across time slots.
  • the DRX configuration parameter configures the discontinuous reception of the terminal to reduce the energy consumption of the terminal. It can be seen that the above parameters can be used for energy-saving processing of the terminal, so that the value of the above-mentioned parameter or the indication of the value range can provide support for the terminal to perform energy-saving processing and reduce the energy consumption of the terminal.
  • the embodiments of the present disclosure can send the energy-saving parameters to the terminal to provide support for the terminal to perform energy-saving processing, thereby reducing the energy consumption of the terminal.
  • the base station may use the cell radio network temporary identification (C-RNTI) or the predefined first RNTI to perform a cyclic redundancy check (CRC) on the first DCI format.
  • C-RNTI cell radio network temporary identification
  • CRC cyclic redundancy check
  • the information is scrambled, that is, the CRC information in the first DCI format is scrambled via the C-RNTI or the predefined first RNTI.
  • the first RNTI is a new RNTI defined in an embodiment of the present disclosure, and is specifically used for the scrambling of the DCI for sending the energy saving signal.
  • the first DCI format when the CRC information of the first DCI format in step 21 is scrambled via C-RNTI, the first DCI format may include at least one of the following fields: Frequency domain resource allocation domain, frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate The value or value range of the high-level configuration parameter of the terminal.
  • the first DCI format may include the first information field and/or the second information field.
  • the frequency domain resource allocation domain and/or the frequency domain hopping indicator domain may be used as optional domains, and may or may not be included in the first DCI format.
  • the DCI format of the embodiment of the present disclosure may be DCI format 0_0 and/or DCI format 0_1.
  • the embodiment of the present disclosure multiplexes the DCI format in the related technology to transmit the energy-saving parameter. Therefore, when using C-RNTI to scramble the first DCI, in order to avoid confusion with the value of the existing field in the DCI format in the related technology, the embodiments of the present disclosure adopt the related technology in the frequency domain resource allocation domain and /Or the unused value of the frequency domain hopping indicator field to indicate that the first DCI is the DCI used for sending the energy saving parameter.
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s
  • the frequency domain resource allocation field is all 0;
  • the frequency domain resource allocation field is all 1s
  • the frequency domain resource allocation field is all 1s, and the frequency domain hopping indication field is all 0s;
  • the frequency domain resource allocation domain is all 0 or all 1;
  • the frequency domain resource allocation field is all 0 or all 1
  • the frequency domain hopping indication field is all 0.
  • the frequency domain resource allocation field and/or the frequency domain hopping indication field it is possible to implicitly indicate that the first DCI format is used to indicate the energy-saving parameters of the terminal, rather than indicating the scheduling information of the terminal.
  • the first DCI when the CRC information of the first DCI format is scrambled by the first RNTI, the first DCI can be directly determined by the scrambled first RNTI used by the first DCI format
  • the format is used to indicate the energy saving parameters of the terminal.
  • the first DCI format may include a first information field and/or a second information field, where the first information field is used to indicate the time length K, and the second information field is used to indicate all The value or value range of the high-level configuration parameter of the terminal.
  • the base station may also configure the first RNTI for the terminal through high-level signaling, and the specific high-level signaling may be RRC signaling.
  • the terminal may access one primary cell/primary serving cell and at least one secondary cell/secondary serving cell.
  • the base station may send the first DCI format to the terminal in the primary cell, and the first DCI format may include multiple groups indicating the energy saving The parameter information field, each group of information fields indicating the energy-saving parameter corresponds to a cell, the cell may include a primary cell/primary serving cell and/or a secondary cell/secondary serving cell, and each group of the energy-saving parameter includes the The length of time K during which the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, and/or the value or value range of the high-level configuration parameter of the terminal in the corresponding cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell
  • the The corresponding position of each cell in the first DCI format may be pre-configured by high-layer signaling or predefined by a protocol.
  • the embodiment of the present disclosure also provides the flow of the method for receiving energy saving parameters on the terminal side, which specifically includes:
  • Step 31 The terminal receives the first DCI format sent by the network, where the first DCI format is used to indicate energy saving parameters of the terminal, and the energy saving parameters include the time when the terminal does not detect the PDCCH after receiving the first DCI format The length K, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the first DCI format may specifically be DCI format 0_0 and/or DCI format 0_1.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a timeslot, milliseconds, subframe, or a multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, and the slot offset value of the PUSCH scheduled by the first DCI format and the first DCI format. Shift value k2, number of MIMO layers, number of antennas, and DRX configuration parameters.
  • the terminal can obtain the energy-saving parameters from the first DCI format sent by the network, thereby providing support for performing energy-saving processing, facilitating the terminal to perform related energy-saving control procedures, and reducing the energy consumption of the terminal.
  • the foregoing method may further include:
  • Step 32 According to the scrambling mode of the CRC information of the first DCI and/or the value of the predetermined field in the first DCI format, it is determined whether the first DCI format is used to indicate the scheduling information or usage of the terminal. To indicate the energy-saving parameters of the terminal.
  • the CRC information in the first DCI format may be scrambled via C-RNTI or a predefined first RNTI.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain, frequency domain hopping Indication field, a first information field and a second information field, wherein the first information field is used to indicate the time length K, and the second information field is used to indicate the value of the high-level configuration parameter of the terminal or Ranges.
  • the first DCI format includes a first information field and/or a second information field, wherein the first information field is used for The time length K is indicated, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the terminal when the CRC information of the first DCI format is scrambled via C-RNTI, in step 32, the terminal may set the first DCI format to DCI format 0_0, and the frequency When the domain resource allocation field is all 1s and the frequency domain hopping indication field is all 0s, it is determined that the first DCI format is used to indicate the energy-saving parameters of the terminal.
  • the terminal when the CRC information of the first DCI format is scrambled by C-RNTI, in step 32, the terminal may also determine that the first The DCI format is used to indicate the energy-saving parameters of the terminal:
  • the first DCI format is DCI format 0_1, and:
  • the terminal is only configured with resource allocation type 0, and the frequency domain resource allocation field is all 0; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation field is all 1s; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation field is all 1, and the frequency domain hopping indication field is all 0; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation domain is all 0 or all 1; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation domain is all 0s or all 1, and the frequency domain hopping indication domain is all 0s.
  • the terminal may directly determine that the first DCI format is used to instruct the terminal DCI of the energy saving parameters.
  • Step 33 When the first DCI format is used to indicate the energy-saving parameter of the terminal, the terminal obtains the energy-saving parameter from the first DCI, and performs corresponding energy-saving processing according to the energy-saving parameter.
  • the terminal when the terminal determines that the first DCI format is used to indicate the energy-saving parameter of the terminal, it can perform corresponding energy-saving processing from the energy-saving parameter acquired from the first DCI, such as stopping PDCCH detection, performing DRX processing, etc. Reduce terminal energy consumption.
  • the embodiment of the present disclosure can realize that the terminal performs energy saving processing based on the energy saving parameter in the first DCI format, thereby reducing the energy consumption of the terminal.
  • the terminal may also receive configuration of the first RNTI for the terminal by the network through high-level signaling (such as RRC signaling, etc.), so as to be used to perform the first RNTI in step 32.
  • high-level signaling such as RRC signaling, etc.
  • the terminal of the embodiment of the present disclosure may simultaneously access multiple cells, for example, when accessing one primary cell/primary serving cell and at least one secondary cell/secondary serving cell, at this time, in step 31, the first In the case of a DCI format, the terminal may receive the first DCI format sent by the network to the terminal in the primary cell.
  • the first DCI format includes multiple sets of information fields indicating the energy-saving parameters, each set of information fields indicating the energy-saving parameters corresponds to a cell, and the cell includes a primary cell/primary serving cell and/or secondary Cell/secondary serving cell, each group of the energy-saving parameters includes the length of time K during which the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, and/or the high-level configuration of the terminal in the corresponding cell The value or range of the parameter.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the information of each cell in the first DCI format
  • the corresponding location is pre-configured by high-level signaling or predefined by the protocol.
  • the network side (specifically, the base station) sends a DCI format 0_0 to indicate the length of time for a certain terminal not to detect the PDCCH after receiving the DCI format and/or the value or range of high-level configuration parameters,
  • the CRC of the DCI format 0_1 is scrambled by C-RNTI.
  • the DCI format specifically includes a frequency domain resource allocation domain, a frequency domain hopping indicator domain, a first information domain and a second information domain.
  • the frequency domain resource allocation fields of the DCI format 0_0 are all set to 1, and the frequency domain hopping indicator fields are all set to 0.
  • the high-level signaling configures that the terminal does not detect the PDCCH after detecting the DCI format 0_1.
  • the high-level configuration parameters of the high-level signaling configuration can specifically include: the time slot interval of DCI and its scheduled PDSCH (the value is 0 and 1), the number of MIMO layers (the value is 2 and 4) value).
  • the terminal After the terminal receives the DCI format 0_0, after descrambling through C-RNTI, the bits of the frequency domain resource allocation field are all set to 1, and the bits of the frequency domain hopping indicator field are all set to 0. The terminal accordingly It can be determined that the DCI format 0_0 is used to indicate the energy saving parameter of the terminal.
  • the terminal can determine according to the preset correspondence relationship that the value of the first information field indicates the fourth time candidate set 3 (10 time slots), that is, instruct the terminal not to detect the PDCCH in 10 time slots after receiving the DCI format.
  • the corresponding relationship between each value of the first information field and the candidate time in the time candidate set may be pre-defined by the protocol or pre-configured by the network.
  • the second information field of the DCI format includes 1 bit with a value of "0”, and indicates that the time slot interval of the DCI format and its scheduled PDSCH is the first value of "0" and The number of MIMO layers is the first value "2".
  • the second information field of the DCI format includes 2 bits, and these 2 bits are respectively used to indicate the time slot interval value of the DCI format and the scheduled PDSCH and the number of MIMO layers according to a preset correspondence relationship. value.
  • the first bit of the two bits indicates the value of the slot interval
  • the second bit indicates the value of the number of MIMO layers.
  • the network side sends a DCI format 0_0 in the primary cell to indicate the length of time that the terminal does not detect PDCCH on the primary and secondary cells after receiving the DCI and/or the value or range of high-level configuration parameters,
  • the CRC of the DCI format 0_1 is scrambled by C-RNTI.
  • the DCI format includes 1 frequency domain resource allocation domain, 1 frequency domain hopping indicator domain, 3 first information domains (respectively corresponding to 1 primary cell and 2 secondary cells), and 3 second information domains (respectively corresponding to 1 primary cell and 2 secondary cells).
  • the bits of the frequency domain resource allocation field of the DCI format 0_0 are all set to 1, and the bits of the frequency domain hopping indicator field are all set to 0.
  • the high-level signaling configures that the terminal does not detect the PDCCH time candidate set after detecting the DCI format on the primary cell and the secondary cell.
  • the high-level configuration parameters of the primary cell and secondary cell configured by the high-level signaling include: the slot interval of DCI and its scheduled PDSCH (the values are 0 and 1) and the number of MIMO layers (the values are 2 and 4) Two values).
  • the value is "10", which indicates that the terminal does not detect the PDCCH in 10 time slots after receiving the DCI on the primary cell.
  • the first second information field of the DCI format includes 1 bit with a value of "0”, and indicates that the time slot interval between the terminal's DCI on the primary cell and its scheduled PDSCH is the first value
  • the value of "0" and the number of MIMO layers is the first value "2”.
  • the first second information field of the DCI format is "10", indicating that the time slot interval between the terminal's DCI on the primary cell and its scheduled PDSCH is the second value "1" and the number of MIMO layers
  • the value is the first value "2".
  • the second first information field of the DCI format includes 2 bits, with a value of "01", indicating that the terminal does not detect the PDCCH in 5 time slots after receiving the DCI on the first secondary cell.
  • the second second information field of the DCI format includes 1 bit with a value of "0". It also indicates that the time slot interval between the terminal's DCI on the first secondary cell and its scheduled PDSCH is the first The value "0" and the number of MIMO layers are taken as the first value "2".
  • the second second information field of the DCI format includes 2 bits with a value of "10”, indicating that the time slot interval between the terminal's DCI on the first secondary cell and its scheduled PDSCH is the first
  • the two values "1" and the number of MIMO layers are taken as the first value "2".
  • the third first information field of the DCI format includes 2 bits, with a value of "10", indicating that the terminal does not detect the PDCCH in 10 time slots after receiving the DCI on the second secondary cell.
  • the third second information field of the DCI format includes 1 bit with a value of "0". It also indicates that the time slot interval between the terminal's DCI on the second secondary cell and its scheduled PDSCH is the first The value "0" and the number of MIMO layers are taken as the first value "2". Or, the third second information field of the DCI format is 10, indicating that the time slot interval between the DCI of the terminal on the second secondary cell and its scheduled PDSCH is the second value "1" and the number of MIMO layers The value is the first value "2".
  • the methods for sending and receiving energy-saving parameters provided by the embodiments of the present disclosure can save instructions for implementing energy-saving parameters, provide support for the terminal to perform energy-saving processing, and help the terminal reduce energy consumption.
  • the embodiments of the present disclosure also provide a device for implementing the above method.
  • FIG. 4 is a schematic structural diagram of a base station provided by an embodiment of the present disclosure.
  • the base station 40 includes a processor 41 and a transceiver 42, where:
  • the transceiver 42 is configured to send the first downlink control information DCI format used to indicate the energy-saving parameters of the terminal;
  • the energy-saving parameter includes the time length K during which the terminal does not detect the PDCCH after receiving the first DCI format, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the transceiver 42 is further configured to send a first DCI format to the terminal, and the cyclic redundancy check CRC information of the first DCI format is transmitted via the cell wireless network temporary identification C- RNTI or predefined first RNTI scrambling.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the first DCI format is DCI format 0_1:
  • the frequency domain resource allocation field is all 0;
  • the frequency domain resource allocation field is all 1s
  • the frequency domain resource allocation field is all 1s, and the frequency domain hopping indication field is all 0s;
  • the frequency domain resource allocation domain is all 0 or all 1;
  • the frequency domain resource allocation field is all 0 or all 1
  • the frequency domain hopping indication field is all 0.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the processor 41 is configured to configure the first RNTI for the terminal through high-level signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the transceiver 42 is further configured to communicate to all users in the primary cell when the terminal accesses one primary cell/primary serving cell and at least one secondary cell/secondary serving cell.
  • the terminal sends the first DCI format, the first DCI format includes a plurality of groups of information fields indicating the energy-saving parameters, each group of information fields indicating the energy-saving parameters corresponds to a cell, and the cell includes a primary cell /Primary serving cell and/or secondary cell/secondary serving cell, each group of the energy-saving parameters includes the time length K during which the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, and/or The value or value range of the high-level configuration parameter of the terminal in the cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • an embodiment of the present disclosure provides another schematic structural diagram of a base station, including: a processor 501, a transceiver 502, a memory 503, and a bus interface, where:
  • the network device 500 further includes: a computer program stored in the memory 503 and capable of running on the processor 501.
  • the computer program is executed by the processor 501, the following steps are implemented: sending energy-saving parameters for instructing the terminal DCI format of the first downlink control information;
  • the energy-saving parameter includes the time length K during which the terminal does not detect the PDCCH after receiving the first DCI format, and/or the value or value range of the high-level configuration parameter of the terminal.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 501 and various circuits of the memory represented by the memory 503 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 502 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 501 is responsible for managing the bus architecture and general processing, and the memory 503 can store data used by the processor 501 when performing operations.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the following steps may be implemented: sending the first DCI format to the terminal, and the cyclic redundancy check CRC information of the first DCI format is wirelessly transmitted through the cell.
  • the network temporary identifier C-RNTI or the predefined first RNTI is scrambled.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the first DCI format is DCI format 0_1:
  • the frequency domain resource allocation field is all 0;
  • the frequency domain resource allocation field is all 1s
  • the frequency domain resource allocation field is all 1s, and the frequency domain hopping indication field is all 0s;
  • the frequency domain resource allocation domain is all 0 or all 1;
  • the frequency domain resource allocation field is all 0 or all 1
  • the frequency domain hopping indication field is all 0.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the following step may also be implemented: configuring the first RNTI for the terminal through high-level signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the following steps can be implemented: when the terminal accesses one primary cell/primary serving cell and at least one secondary cell/secondary serving cell,
  • the primary cell sends the first DCI format to the terminal, and the first DCI format includes multiple sets of information fields indicating the energy-saving parameters, and each set of information fields indicating the energy-saving parameters corresponds to a cell, so
  • the cells include a primary cell/primary serving cell and/or a secondary cell/secondary serving cell, and each group of the energy-saving parameters includes the time length K during which the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, and /Or, the value or value range of the high-level configuration parameter of the terminal in the corresponding cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • an embodiment of the present disclosure provides a terminal 60, including a transceiver 62 and a processor 61, where:
  • the transceiver 62 is configured to receive the first downlink control information DCI format sent by the network, where the first DCI format is used to indicate the energy-saving parameters of the terminal, and the energy-saving parameters include After the DCI format, the time length K for not detecting the PDCCH, and/or the value or the value range of the high-level configuration parameter of the terminal.
  • the processor 61 is configured to determine according to the scrambling mode of the CRC information of the first DCI and/or the value of a predetermined field in the first DCI format
  • the first DCI format is used to indicate scheduling information of the terminal or used to indicate energy saving parameters of the terminal.
  • the processor 61 is further configured to, when the first DCI format is used to indicate an energy-saving parameter of the terminal, the terminal obtains the energy-saving parameter from the first DCI , And execute corresponding energy saving processing according to the energy saving parameter.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the cyclic redundancy check CRC information in the first DCI format is scrambled via a cell radio network temporary identification C-RNTI or a predefined first RNTI.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the processor 61 is further configured to determine that the first DCI format is used to indicate the energy-saving parameter of the terminal when the following conditions are met:
  • the first DCI format is DCI format 0_0
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the processor 61 is further configured to determine that the first DCI format is used to indicate the energy-saving parameter of the terminal when any of the following conditions is met:
  • the first DCI format is DCI format 0_1, and:
  • the terminal is only configured with resource allocation type 0, and the frequency domain resource allocation field is all 0; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation field is all 1s; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation field is all 1, and the frequency domain hopping indication field is all 0; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation domain is all 0 or all 1; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation domain is all 0s or all 1, and the frequency domain hopping indication domain is all 0s.
  • the processor 61 is further configured to, when the CRC information of the first DCI format is scrambled by the first RNTI, determine that the first DCI format is used to indicate Energy-saving parameters of the terminal.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the transceiver 62 is further configured to receive the first RNTI configured by the network for the terminal through high-level signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the transceiver 62 is further configured to receive the network in the primary cell when the terminal accesses one primary cell/primary serving cell and at least one secondary cell/secondary serving cell
  • the first DCI format sent to the terminal includes multiple sets of information fields indicating the energy-saving parameters, and each set of information fields indicating the energy-saving parameters corresponds to a cell, and the cell Including the primary cell/primary serving cell and/or the secondary cell/secondary serving cell, each group of the energy-saving parameters includes the length of time K during which the terminal does not detect the PDCCH in the corresponding cell after receiving the first DCI format, and/or , The value or value range of the high-level configuration parameter of the terminal in the corresponding cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • the terminal 700 includes a processor 701, a transceiver 702, a memory 703, a user interface 704, and a bus interface, where:
  • the terminal 700 further includes: a computer program stored in the memory 703 and capable of running on the processor 701.
  • the computer program is executed by the processor 701
  • the following steps are implemented: the terminal receives the first downlink sent by the network
  • the control information DCI format where the first DCI format is used to indicate the energy-saving parameters of the terminal, and the energy-saving parameters include the length of time K during which the terminal does not detect the PDCCH after receiving the first DCI format, and/or, so The value or value range of the high-level configuration parameter of the terminal.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 701 and various circuits of the memory represented by the memory 703 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface provides the interface.
  • the transceiver 702 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 704 may also be an interface capable of externally connecting internally required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 can store data used by the processor 701 when performing operations.
  • the following steps may also be implemented: according to the scrambling method of the CRC information of the first DCI and/or the preset in the first DCI format
  • the value of the field determines whether the first DCI format is used to indicate the scheduling information of the terminal or the energy-saving parameter of the terminal.
  • the following steps may be further implemented: when the first DCI format is used to indicate the energy-saving parameter of the terminal, obtain from the first DCI The energy-saving parameter, and execute corresponding energy-saving processing according to the energy-saving parameter.
  • the first DCI format is DCI format 0_0 and/or DCI format 0_1.
  • the cyclic redundancy check CRC information in the first DCI format is scrambled via a cell radio network temporary identification C-RNTI or a predefined first RNTI.
  • the first DCI format when the CRC information of the first DCI format is scrambled by C-RNTI, the first DCI format includes at least one of the following domains: frequency domain resource allocation domain , Frequency domain hopping indication domain, first information domain and second information domain, wherein the first information domain is used to indicate the time length K, and the second information domain is used to indicate the high-level configuration of the terminal The value or range of the parameter.
  • the following steps may also be implemented: when the following conditions are met, determining that the first DCI format is used to indicate the energy-saving parameters of the terminal:
  • the first DCI format is DCI format 0_0
  • the frequency domain resource allocation field is all 1s
  • the frequency domain hopping indicator field is all 0s.
  • the following steps may be further implemented: when any of the following conditions is met, determining that the first DCI format is used to indicate the energy-saving parameters of the terminal:
  • the first DCI format is DCI format 0_1, and:
  • the terminal is only configured with resource allocation type 0, and the frequency domain resource allocation field is all 0; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation field is all 1s; or,
  • the terminal is only configured with resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation field is all 1, and the frequency domain hopping indication field is all 0; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is not configured with frequency domain hopping parameters, and the frequency domain resource allocation domain is all 0 or all 1; or,
  • the terminal is configured with resource allocation type 0 and resource allocation type 1, and high-level signaling is configured with frequency domain hopping parameters, the frequency domain resource allocation domain is all 0s or all 1, and the frequency domain hopping indication domain is all 0s.
  • the following step may be implemented: when the CRC information in the first DCI format is scrambled by the first RNTI, determining the first The DCI format is used to indicate the energy-saving parameters of the terminal.
  • the first DCI format when the CRC information of the first DCI format is scrambled via the first RNTI, the first DCI format includes a first information field and/or a second information field, wherein, the first information field is used to indicate the time length K, and the second information field is used to indicate the value or value range of the high-level configuration parameter of the terminal.
  • the following step may also be implemented: the receiving network configures the first RNTI for the terminal through high-level signaling.
  • the time length K is one of at least one candidate time length pre-configured by high-layer signaling, and the time length K is a time slot, millisecond, subframe, or the The multiple of the first DCI detection period.
  • the high-level configuration parameters include at least one of the following parameters: the first DCI format and the slot offset value k0 of the PDSCH scheduled by the first DCI format, the first DCI format and The slot offset value k2 of the PUSCH scheduled in the first DCI format, the number of MIMO layers, the number of antennas, and the DRX configuration parameters.
  • the following steps may be implemented: when the terminal accesses one primary cell/primary serving cell and at least one secondary cell/secondary serving cell, receiving The first DCI format sent by the network to the terminal in the primary cell; the first DCI format includes multiple sets of information fields indicating the energy-saving parameters, and each set of information fields indicating the energy-saving parameters corresponds to one A cell, the cell includes a primary cell/primary serving cell and/or a secondary cell/secondary serving cell, and each group of the energy-saving parameters includes the length of time that the terminal does not detect PDCCH in the corresponding cell after receiving the first DCI format K, and/or, the value or value range of the high-level configuration parameter of the terminal in the corresponding cell.
  • the first information field and/or the second information field at the corresponding position of each cell in the first DCI format indicate the energy-saving parameter corresponding to the cell, and the The corresponding position of each cell in the first DCI format is pre-configured by higher layer signaling or predefined by the protocol.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments of the present disclosure.
  • the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several
  • the instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

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

Abstract

L'invention concerne un procédé d'envoi de paramètre d'économie d'énergie, un procédé de réception de paramètre d'économie d'énergie, et des dispositifs. Le procédé d'envoi de paramètre d'économie d'énergie comprend les étapes suivantes : envoyer un premier format d'informations de commande de liaison descendante (DCI) utilisé pour indiquer un paramètre d'économie d'énergie d'un terminal, le paramètre d'économie d'énergie comprenant une longueur de temps K au cours de laquelle le terminal ne détecte pas de PDCCH après réception du premier format de DCI, et/ou d'une valeur ou d'une plage de valeurs d'un paramètre de configuration de haut niveau du terminal.
PCT/CN2020/086731 2019-04-29 2020-04-24 Procédé d'envoi de paramètre d'économie d'énergie, procédé de réception de paramètre d'économie d'énergie, et dispositifs WO2020221130A1 (fr)

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