WO2021189446A1 - Procédé et dispositif d'indication de dormance pour porteuse secondaire, terminal et support de stockage - Google Patents

Procédé et dispositif d'indication de dormance pour porteuse secondaire, terminal et support de stockage Download PDF

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Publication number
WO2021189446A1
WO2021189446A1 PCT/CN2020/081783 CN2020081783W WO2021189446A1 WO 2021189446 A1 WO2021189446 A1 WO 2021189446A1 CN 2020081783 W CN2020081783 W CN 2020081783W WO 2021189446 A1 WO2021189446 A1 WO 2021189446A1
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WIPO (PCT)
Prior art keywords
field
indication
dci
information
sleep state
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PCT/CN2020/081783
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English (en)
Chinese (zh)
Inventor
左志松
徐伟杰
王淑坤
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/081783 priority Critical patent/WO2021189446A1/fr
Priority to CN202080091185.5A priority patent/CN114902748B/zh
Publication of WO2021189446A1 publication Critical patent/WO2021189446A1/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
    • 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

  • This application relates to the field of wireless communication, and in particular to a sleep indication method, device, terminal, and storage medium of an auxiliary carrier.
  • the energy-saving sleep (Dormancy) mode is supported.
  • the auxiliary carrier In sleep mode, the auxiliary carrier is in sleep state, thereby reducing power consumption.
  • the embodiments of the present application provide a sleep indication method, device, terminal, and storage medium of an auxiliary carrier, and the sleep state of the auxiliary carrier can be determined through a target indication field in at least one indication field.
  • the technical solution is as follows.
  • a sleep indication method of a supplementary carrier including:
  • the DCI carried on the PDCCH, where the DCI is configured with at least one indication field, and the indication field is used to indicate the sleep state of the secondary carrier;
  • a sleep indication device for an auxiliary carrier, the device comprising: a receiving module and a determining module;
  • the receiving module is configured to receive the DCI carried on the PDCCH, the DCI is configured with at least one indication field, and the indication field is used to indicate the sleep state of the auxiliary carrier;
  • the determining module is configured to determine the sleep state of the auxiliary carrier according to the target indicator field in the at least one indicator field.
  • a terminal comprising: a processor; a transceiver connected to the processor; a memory for storing executable instructions of the processor; wherein the processing The device is configured to load and execute the executable instructions to implement the sleep indication method of the auxiliary carrier as described in the above aspect.
  • a computer-readable storage medium is provided, and executable instructions are stored in the readable storage medium, and the executable instructions are loaded and executed by the processor to implement the aforementioned aspects.
  • the sleep indication method of the auxiliary carrier is provided.
  • one indication field corresponds to one sleep indication mode
  • the sleep state of the auxiliary carrier can be determined by the target indication field in the at least one indication field, which solves the possibility of the terminal.
  • Fig. 1 is a schematic diagram of a DRX mechanism provided by an exemplary embodiment of the present application
  • Fig. 2 is a schematic diagram of carrier aggregation provided by an exemplary embodiment of the present application
  • Fig. 3 is a schematic diagram of a sleep mode provided by an exemplary embodiment of the present application.
  • Fig. 4 is a block diagram of a communication system provided by an exemplary embodiment of the present application.
  • Fig. 5 is a flowchart of a sleep indication method for a supplementary carrier provided by an exemplary embodiment of the present application
  • Fig. 6 is a schematic diagram of a first indication field and a second indication field provided by an exemplary embodiment of the present application
  • Fig. 7 is a schematic diagram of a first indication field and a second indication field provided by an exemplary embodiment of the present application.
  • FIG. 8 is a schematic diagram of a first indication field and a second indication field provided by an exemplary embodiment of the present application.
  • FIG. 9 is a flowchart of a sleep indication method of a supplementary carrier provided by an exemplary embodiment of the present application.
  • FIG. 10 is a flowchart of a method for determining whether DCI is DCI without data scheduling provided by an exemplary embodiment of the present application
  • FIG. 11 is a flowchart of a sleep indication method of a supplementary carrier provided by an exemplary embodiment of the present application.
  • FIG. 12 is a schematic diagram of adjusting the sleep state of the auxiliary carrier according to an exemplary embodiment of the present application.
  • FIG. 13 is a structural block diagram of a sleep indication device of a supplementary carrier provided by an exemplary embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a terminal provided by an exemplary embodiment of the present application.
  • DRX Discontinuous Reception
  • PDCCH Physical Downlink Control Channel
  • the basic mechanism of DRX is to configure a DRX cycle (DRX cycle) for the terminal in the radio resource control connected state (Radio Resource Control_CONNECTED, RRC_CONNECTED) state.
  • the DRX cycle is composed of "Active Time” and "Inactive Time”: during the "active period", the terminal monitors and receives PDCCH scheduling information; during the "sleep period", the terminal does not receive it Downlink channel data to save power consumption.
  • time is divided into successive DRX cycles (Cycle).
  • the terminal When the terminal receives a scheduling message during the "active period", the terminal will start a DRX-Inactivity Timer (DRX-Inactivity Timer) and monitor the PDCCH scheduling information in each subframe of the period; if DRX-Inactivity The Timer is running, so even if the originally configured OnDuration time has expired, the terminal still needs to continue to monitor the downlink PDCCH subframes until the DRX-Inactivity Timer expires.
  • DRX-Inactivity Timer DRX-Inactivity Timer
  • Carrier aggregation is the aggregation of 2 or more component carriers (Component Carrier, CC) to support a larger transmission bandwidth. As shown in Figure 2, CA technology can aggregate 2 to 5 carriers to achieve a maximum transmission bandwidth of 100 MHz, which effectively improves the uplink and downlink transmission rates.
  • Component Carrier Component Carrier
  • a primary cell is a cell where a terminal establishes an initial connection, or a cell where an RRC connection is reestablished, or a primary cell designated during a cell handover.
  • PCell is responsible for radio resource control (Radio Resource Control, RRC) communication with the terminal.
  • RRC Radio Resource Control
  • the carrier unit corresponding to PCell is called Primary Component Carrier (PCC).
  • a secondary cell (Secondary Cell, SCell) is added during RRC reconfiguration and is used to provide additional radio resources. There is no RRC communication between the SCell and the terminal.
  • the carrier unit corresponding to the SCell is called a secondary carrier (Secondary Component Carrier, SCC).
  • the network can set the auxiliary carrier that is not in use temporarily to a sleep state as needed to reduce the power consumption of the terminal; it can also quickly activate the auxiliary carrier so that the auxiliary carrier is in a non-sleep state to meet transmission needs.
  • the main carrier of the terminal cannot be deactivated; the terminal can only transmit data on the activated carrier (main carrier or auxiliary carrier), and only supports limited measurement on the deactivated carrier (secondary carrier).
  • Sleep mode In the sleep mode, the terminal can ignore the PDCCH of one carrier or greatly reduce the PDCCH monitoring on one carrier. At the same time, the terminal only needs to maintain some basic channel measurement signal reception, such as uplink and downlink synchronization, and frequency calibration.
  • the mechanism for NR to adjust the sleep state of the auxiliary carrier is: by switching to the sleep bandwidth part (Bandwidth Part, BWP) or non-sleep BWP, correspondingly, a certain auxiliary carrier enters the sleep state or the non-sleep state.
  • BWP sleep bandwidth part
  • the terminal receives the PDCCH sent by the network device through the primary carrier in a certain time slot, and the terminal determines the status of the secondary carrier according to the indication field in the Downlink Control Information (DCI) carried by the PDCCH, and then switches to sleep BWP or non-sleeping BWP.
  • DCI Downlink Control Information
  • n bits in the DCI as an indicator field to indicate the sleep state of the auxiliary carrier, and n is a positive integer, for example, n is 15.
  • the terminal will use the dedicated indication field in the DCI to determine the sleep state of the auxiliary carrier group.
  • the terminal can only use one sleep indication method of the auxiliary carrier.
  • the DCI received by the terminal is configured with indication fields corresponding to the sleep indication methods of multiple auxiliary carriers, how the terminal determines the sleep state of the auxiliary carrier, the related technology has not yet provided a better solution.
  • DCI format PDCCH can carry many different DCI formats.
  • the DCI format in this application can be DCI format 0-1 or DCI format 1-1 (see the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) standard 38212-g00 for details), as shown in Tables 1 and 2 Show:
  • DCI format 0-1 is a non-fallback format for uplink scheduling allocation
  • DCI format 1-1 is a non-fallback format for downlink scheduling allocation.
  • DCI format In addition to the above two DCI formats, the DCI format can also adopt other formats.
  • FIG. 4 shows a block diagram of a communication system provided by an exemplary embodiment of the present application.
  • the communication system may include: an access network 12 and a terminal 13.
  • the access network 12 includes several network devices 120.
  • the network device 120 may be a base station, which is a device deployed in an access network to provide wireless communication functions for terminal devices.
  • the base station may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
  • the names of devices with base station functions may be different. For example, in LTE systems, they are called eNodeB or eNB; in 5G NR systems, they are called gNodeB or gNB.
  • the description of "base station” may change.
  • the above-mentioned devices for providing wireless communication functions for the terminal 13 are collectively referred to as network devices.
  • the terminal 13 may include various handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, as well as various forms of user equipment, mobile stations (MS), Terminal (terminal device) and so on.
  • MS mobile stations
  • Terminal terminal device
  • the network device 120 and the terminal 13 communicate with each other through a certain air interface technology, such as a Uu interface.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WiMAX Wireless Local Area Networks
  • WLAN Wireless Fidelity
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • V2X vehicle networking
  • FIG. 5 shows a flowchart of a sleep indication method for a supplementary carrier according to an exemplary embodiment of the present application.
  • the method may be applied to the terminal 13 shown in FIG. 1, and the method includes:
  • Step 510 Receive the DCI carried on the PDCCH, where the DCI is configured with at least one indication field.
  • the indication field is used to indicate the sleep state of the auxiliary carrier.
  • a Physical Downlink Control Channel is a downlink control channel sent by a network device to a terminal through a primary carrier, where the primary carrier is a carrier unit corresponding to the primary cell.
  • the PDCCH carries scheduling and other control information, specifically including at least one of transmission format, resource allocation, uplink scheduling permission, power control, and retransmission information.
  • Downlink Control Information is the payload carried on the PDCCH. The DCI can schedule data of the primary carrier or not schedule data of the primary carrier.
  • the DCI includes several information fields for indicating different information, and the several information fields includes an indication field for indicating the sleep state of the auxiliary carrier.
  • the DCI can be configured with one indication field, and the DCI can also be configured with multiple indication fields.
  • One indication field corresponds to a sleep indication mode of a supplementary carrier. This application does not limit the number of indication fields configured by the DCI.
  • the indication field is used to indicate the sleep state of the auxiliary carrier, and the number of auxiliary carriers indicated by one indication field may be one or more.
  • the secondary carrier is a carrier unit corresponding to the secondary cell, and the secondary cell is a cell that provides additional wireless resources for data transmission between the terminal and the network device.
  • the terminal When the secondary carrier is in the sleep state, the terminal will ignore the PDCCH on the secondary carrier, or the terminal will greatly reduce the PDCCH monitoring on the secondary carrier, so as to achieve the purpose of energy saving.
  • the auxiliary carrier in the sleep state there will only be power consumption for measurement in some time slots, and there will be no power consumption for PDCCH monitoring.
  • the aforementioned DCI includes at least one of a first DCI and a second DCI.
  • the first DCI and the second DCI are different DCI carried on different PDCCHs.
  • Both the first DCI and the second DCI are configured with at least one indication field.
  • Step 520 Determine the sleep state of the auxiliary carrier according to the target indicator field in the at least one indicator field.
  • the terminal will determine the sleep state of the auxiliary carrier according to the indication of the target indication domain.
  • the terminal receives a type of DCI (first DCI or second DCI), and determines the sleep state of the secondary carrier through a target indicator field in at least one indicator field (such as two indicator fields) configured by a DCI; or , The terminal receives two kinds of DCI, and determines the sleep state of the auxiliary carrier through the target indication field in the at least two indication fields configured by the two kinds of DCI.
  • a type of DCI first DCI or second DCI
  • the terminal receives two kinds of DCI, and determines the sleep state of the auxiliary carrier through the target indication field in the at least two indication fields configured by the two kinds of DCI.
  • the terminal determines the sleep state of the auxiliary carrier through the value of each bit in the target indication field.
  • each bit of the target indication field corresponds to one auxiliary carrier, or each bit of the target indication field corresponds to one carrier group, and one carrier group includes one or more auxiliary carriers.
  • the auxiliary carrier (or carrier group) corresponding to the bit when the bit is 1, the auxiliary carrier (or carrier group) corresponding to the bit is in the sleep state, and when the bit is 0, the auxiliary carrier (or carrier group) corresponding to the bit is It is a non-sleep (normal) state; or, when the bit is 0, the auxiliary carrier (or carrier group) corresponding to the bit is in the sleep state, and when the bit is 1, the auxiliary carrier corresponding to the bit is in the sleep state.
  • the carrier (or carrier grouping) is in a non-sleep (normal) state.
  • one indication domain corresponds to one sleep indication mode
  • the target indication domain in the at least one indication domain can be used.
  • the problem of how to deal with when the terminal may receive multiple sleep indication modes at the same time is solved, the behavior of the terminal is clarified, and the accuracy of the sleep indication of the auxiliary carrier is improved.
  • the at least one indication domain includes at least one of a first indication domain and a second indication domain.
  • the first indication domain and the second indication domain have the following three situations:
  • the first indicator field is an information field dedicated to indicating the sleep state of the secondary carrier in the DCI
  • the second indicator field is used to indicate the sleep state of the secondary carrier in the DCI when the DCI is a DCI without data scheduling.
  • the first indication field and the second indication field belong to the same DCI or two different DCIs.
  • the first indicator field and the second indicator field are different types of indicator fields.
  • the first indicator field belongs to the first DCI and the second indicator field belongs to the first DCI, or the first indicator field belongs to the second DCI and the second indicator field belongs to The second DCI.
  • the first indicator field and the second indicator field belong to two different DCIs
  • the first indicator field belongs to the first DCI and the second indicator field belongs to the second DCI
  • the first indicator field belongs to the second DCI and the second indicator
  • the domain belongs to the first DCI.
  • the first indication domain can be referred to as a dedicated indication domain or a newly added indication domain for short.
  • DCI can schedule the data of the main carrier or not. Regardless of whether the DCI is a DCI for data scheduling, the first indication field is an information field dedicated to indicating the sleep state of the secondary carrier.
  • the first indication field is configured by the high-level RRC, for example, the RRC parameter "Scell-groups-for-dormancy-within-active-time" is used to define the n carrier groups of the auxiliary carrier and which ones are included in each carrier group Auxiliary carrier.
  • the n carrier groups correspond to the n bits of the first indication field one-to-one, and n is a positive integer.
  • the first indication field uses a bitmap to indicate the carrier grouping.
  • the second indication field can be referred to as a multiplexing indication field for short.
  • the information field corresponding to the second indication field will be used to indicate the sleep state of the secondary carrier; in the case of DCI with data scheduling, the second indication field corresponds to The information field of will not be used to indicate the sleep state of the auxiliary carrier, but to indicate other information, such as: modulation and coding method information, new data indication information, redundancy version information, HARQ process number information, antenna port information and reference signals At least one of the initial parameter information.
  • the second indication field includes at least one of a modulation and coding scheme field, a new data indication field, a redundancy version field, a HARQ process number field, an antenna port field, and a reference signal initial parameter field.
  • the reference signal initial parameter information may be DMRS sequence initialization information
  • the corresponding information field is a 1-bit DMRS sequence initialization field.
  • the terminal receives the first DCI without data scheduling.
  • the first DCI configuration has two indication fields: the first (newly added) indication field and the second (multiplexed) indication field.
  • the second indication field is a part of the information field in the existing information field of the first DCI.
  • the terminal simultaneously receives the first DCI with data scheduling and the second DCI without data scheduling.
  • the first DCI is configured with a first (newly added) indication field
  • the second DCI is configured with a second (multiplexed) indication field.
  • the second indication field is a part of the information field in the existing information field of the second DCI.
  • the first indication field is an information field dedicated to indicating the sleep state of the auxiliary carrier in the first DCI
  • the second indication field is an information field dedicated to indicating the sleep state of the auxiliary carrier in the second DCI.
  • the first indication domain and the second indication domain are the same type of information domain, and this type of information domain may be referred to as a dedicated indication domain or a newly added indication domain for short.
  • the first indicator field and the second indicator field are both information fields dedicated to indicating the sleep state of the secondary carrier in their respective DCIs, but the first indicator field and the second indicator field belong to different DCIs.
  • the first indication field (or the second indication field) is configured by the higher-level RRC, for example: defining n carrier groups of the auxiliary carrier through the RRC parameter "Scell-groups-for-dormancy-within-active-time", and Which auxiliary carriers are included in each carrier group.
  • the n carrier groups correspond to the n bits of the first indicator field (or the second indicator field) in a one-to-one correspondence, and n is a positive integer.
  • the first indication field (or the second indication field) uses a bitmap to indicate the carrier grouping.
  • the terminal simultaneously receives the first DCI with data scheduling and the second DCI with data scheduling.
  • the first DCI is configured with a first (new) indication domain
  • the second DCI is configured with a second (new) indication domain.
  • the first indication field is the information field used to indicate the sleep state of the secondary carrier in the first DCI when the first DCI is DCI without data scheduling
  • the second indication field is the information field used to indicate the sleep state of the secondary carrier in the second DCI.
  • an information field used to indicate the sleep state of the secondary carrier in the second DCI is the information field used to indicate the sleep state of the secondary carrier in the second DCI.
  • the first indication domain and the second indication domain are the same type of information domain, and this type of information domain may be referred to as a multiplexing indication domain for short.
  • the first indicator field and the second indicator field are both information fields used to indicate the sleep state of the secondary carrier in the DCI when the respective DCI is DCI without data scheduling, but the first indicator field and the second indicator field They belong to different DCIs.
  • the information field corresponding to the first indicator field will be used to indicate the sleep state of the secondary carrier ;
  • the information field corresponding to the first indication field will not be used to indicate the sleep state of the auxiliary carrier, but It is used to indicate other information, such as at least one of modulation and coding mode information, new data indication information, redundancy version information, HARQ process number information, antenna port information, and reference signal initial parameter information.
  • the first indicator field includes: at least one of the modulation and coding mode field, the new data indicator field, the redundancy version field, the HARQ process number field, the antenna port field, and the reference signal initial parameter field .
  • the reference signal initial parameter information may be DMRS sequence initialization information, and the corresponding information field is a 1-bit DMRS sequence initialization field.
  • the terminal simultaneously receives the first DCI without data scheduling and the second DCI without data scheduling.
  • the first DCI is configured with a first (multiplexed) indication field
  • the second DCI is configured with a second (multiplexed) indication field.
  • the first indication field is a part of the information field in the existing information field of the first DCI
  • the second indication field is a part of the information field in the existing information field of the second DCI.
  • Manner 1 The terminal preferentially determines the sleep state of the auxiliary carrier according to the indication of the first indication field.
  • Manner 2 The terminal preferentially determines the sleep state of the auxiliary carrier according to the indication of the second indication field.
  • Manner 3 The terminal determines the sleep state of the auxiliary carrier according to the instructions of the first indication field and the second indication field.
  • FIG. 9 shows a flowchart of a sleep indication method for a secondary carrier provided by an exemplary embodiment of the present application, and the method may be applied to the terminal 13 shown in FIG. 1.
  • step 520 is implemented as step 521 instead, corresponding to the above-mentioned way one;
  • step 520 is implemented instead as step 522, which corresponds to the above-mentioned way two;
  • step 520 is implemented instead as step 523, which corresponds to the above-mentioned way three.
  • Step 521 In a case where the first indicator field exists in the at least one indicator field, determine the sleep state of the auxiliary carrier according to the first indicator field.
  • the first indicator field is present in the at least one indicator field, which may be the presence of at least one indicator field: the first indicator field and the second indicator field; it may be that only the first indicator field exists in the at least one indicator field.
  • the terminal uses the first indication domain as the target indication domain, and determines the sleep state of the auxiliary carrier according to the first indication domain.
  • the target indication field is the first indication field dedicated to indicating the sleep state of the auxiliary carrier in the DCI, and the terminal determines the sleep state of the auxiliary carrier according to the first indication field.
  • the target indication field is the first indication field dedicated to indicating the sleep state of the auxiliary carrier in the first DCI
  • the terminal determines the sleep state of the auxiliary carrier according to the first indication field.
  • the target indication field is the first indication field used to indicate the sleep state of the secondary carrier in the first DCI when the first DCI is DCI without data scheduling, and the terminal according to the first indication The domain determines the sleep state of the auxiliary carrier.
  • the sleep state of the auxiliary carrier is determined according to the second indicator field.
  • the terminal determines the sleep state of the auxiliary carrier according to the indication of the existing second indicator field.
  • the DCI (first DCI or second DCI) is not configured with the first indication field, and the target indication field is used to indicate the secondary carrier in the DCI when the DCI is a DCI without data scheduling.
  • the terminal determines the sleep state of the auxiliary carrier according to the second indication field.
  • the first DCI is not configured with the first indicator field
  • the target indicator field is the second indicator field dedicated to indicating the sleep state of the secondary carrier in the second DCI
  • the terminal determines the secondary carrier according to the second indicator field Sleep state.
  • the first DCI is DCI with data scheduling
  • the target indication field is used in the second DCI to indicate the sleep state of the secondary carrier when the second DCI is DCI without data scheduling.
  • the terminal determines the sleep state of the auxiliary carrier according to the second indication field.
  • Step 522 In a case where a second indicator field exists in at least one indicator field, determine the sleep state of the auxiliary carrier according to the second indicator field.
  • the second indication domain is present in the at least one indication domain, which may be the presence of at least one indication domain: the first indication domain and the second indication domain; it may be that only the second indication domain exists in the at least one indication domain.
  • the terminal uses the second indication domain as the target indication domain, and determines the sleep state of the auxiliary carrier according to the second indication domain.
  • the target indication field is the second indication field used to indicate the sleep state of the secondary carrier in the DCI when the DCI is DCI without data scheduling, and the terminal determines the secondary carrier according to the second indication field Sleep state.
  • the target indication field is a second indication field dedicated to indicating the sleep state of the auxiliary carrier in the second DCI, and the terminal determines the sleep state of the auxiliary carrier according to the second indication field.
  • the target indication field is the second indication field used to indicate the sleep state of the secondary carrier in the second DCI when the second DCI is DCI without data scheduling, and the terminal according to the second indication
  • the domain determines the sleep state of the auxiliary carrier.
  • the sleep state of the auxiliary carrier is determined according to the first indicator field.
  • the terminal determines the sleep state of the auxiliary carrier according to the indication of the existing first indicator field.
  • DCI (first DCI or second DCI) is not configured with a second indicator field
  • the target indicator field is the first indicator field dedicated to indicating the sleep state of the secondary carrier in the DCI
  • the terminal is based on the first indicator field.
  • the indicator field determines the sleep state of the auxiliary carrier.
  • the second DCI is not configured with the second indication field
  • the target indication field is the first indication field dedicated to indicating the sleep state of the auxiliary carrier in the first DCI
  • the terminal determines the auxiliary carrier according to the first indication field Sleep state.
  • the second DCI is a DCI with data scheduling
  • the target indication field is used in the first DCI to indicate the sleep state of the secondary carrier when the first DCI is a DCI without data scheduling.
  • the terminal determines the sleep state of the auxiliary carrier according to the first indication field.
  • Step 523 When the first indicator field and the second indicator field exist in the at least one indicator field, determine the sleep state of the auxiliary carrier according to the first indicator field and the second indicator field;
  • the sleep state of the auxiliary carrier indicated by the second indication field is the same as the sleep state of the auxiliary carrier indicated by the first indication field.
  • the first indicator field and the second indicator field exist in at least one indicator field, and the sleep state of the auxiliary carrier indicated by the second indicator field is the same as the sleep state of the auxiliary carrier indicated by the first indicator field.
  • the terminal uses any one of the first indication domain and the second indication domain as the target indication domain, and determines the sleep state of the auxiliary carrier through the target indication domain.
  • the terminal when the first indicator field and the second indicator field exist in at least one indicator field, the terminal does not expect to receive the sleep state of the auxiliary carrier and the second indicator indicated by the first indicator field.
  • the sleep state of the auxiliary carrier indicated by the domain is different.
  • both the first indication field and the second indication field can be used to indicate the sleep state of the auxiliary carrier
  • the terminal needs to determine the sleep state of the auxiliary carrier according to the first indication field and the second indication field at the same time.
  • the sleep state of the auxiliary carrier indicated by the domain is different from the sleep state of the auxiliary carrier indicated by the second indicator field.
  • the terminal does not expect to receive the sleep state of the auxiliary carrier indicated by the first indicator field and the sleep state indicated by the second indicator field.
  • the sleep state of the auxiliary carrier is different.
  • one indication domain corresponds to one sleep indication mode
  • the target indication domain in the at least one indication domain can be used.
  • the problem of how to deal with when the terminal may receive multiple sleep indication modes at the same time is solved, the behavior of the terminal is clarified, and the accuracy of the sleep indication of the auxiliary carrier is improved.
  • the method provided in this embodiment provides three different ways of determining the sleep state of the auxiliary carrier when the at least one indication field includes at least one of the first indication field and the second indication field, which improves the assistance The flexibility of the carrier's sleep indication method.
  • the terminal needs to determine whether the DCI to which the above indication field belongs is a DCI without data scheduling.
  • FIG. 10 shows a flowchart of a method for determining whether a DCI is a DCI without data scheduling provided by an exemplary embodiment of the present application.
  • the method may be applied to the terminal 13 shown in FIG. 1.
  • This embodiment can be implemented alone or in combination with the embodiment shown in FIG. 5 or FIG. 9.
  • the method includes:
  • Step 1010 Determine whether the DCI is a DCI without data scheduling according to the frequency domain resource indication field in the DCI.
  • DCI is the first DCI or the second DCI.
  • the Frequency Domain Resource Allocation (FDRA) field is one of the information fields in the DCI.
  • the uplink scheduling authorization DCI such as the DCI format 0-1 shown in Table 1
  • this information field is used to indicate the resources allocated for the terminal to transmit the physical uplink shared channel (PDSCH) on a component carrier Piece.
  • the downlink scheduling grant DCI such as the DCI format 1-1 shown in Table 2
  • this information field is used to indicate which resource blocks of the component carrier the PDSCH that the terminal needs to receive is allocated on.
  • the component carrier is one of the carriers aggregated in the carrier aggregation scenario.
  • the terminal determines whether the DCI is a DCI without data scheduling through the FDRA field in the DCI.
  • the terminal determines that the DCI is scheduled without data. DCI.
  • the terminal determines that the DCI is dataless scheduling DCI.
  • the first type and the second type are two different resource allocation types, the first type is a mode of allocation based on a bitmap, and the second type does not depend on a bitmap.
  • the method provided in this embodiment provides a method for determining whether the DCI is a DCI without data scheduling, and then the terminal can determine whether there is the second indication field in the above case 1 and the above case 3 according to the method.
  • the target indication field is selected based on the judgment result, which ensures the accuracy of the sleep indication method of the auxiliary carrier.
  • FIG. 11 shows a flowchart of a sleep indication method for a secondary carrier provided by an exemplary embodiment of the present application. In this embodiment, the following steps are further included:
  • Step 530 Activate the sleep state of the corresponding BWP according to the sleep state of the auxiliary carrier.
  • the mechanism for NR to adjust the sleep state of the auxiliary carrier is: by switching to the sleep BWP or the non-sleep BWP, correspondingly, a certain auxiliary carrier enters the sleep state or the non-sleep state.
  • the terminal After determining the sleep state of the auxiliary carrier, if a certain auxiliary carrier is switched from a non-sleep state to a sleep state, the terminal activates the sleep state of the BWP corresponding to the auxiliary carrier; if a certain auxiliary carrier is switched from a sleep state to a non-sleep state , The terminal adjusts the BWP corresponding to the auxiliary carrier to a non-sleep state.
  • the terminal dynamically adjusts the sleep state on a secondary carrier through a DCI on the primary carrier.
  • the DCI is configured with at least one indication field, and the DCI may schedule data of the primary carrier or not schedule data of the primary carrier.
  • the sleep BWP is activated, and the terminal monitors the PDCCH during the time period corresponding to the sleep BWP; if one less target indicator field in the indicator field is passed, It is determined that the auxiliary carrier is converted to the non-sleep state, and then it is switched to the non-sleep BWP, and the terminal does not monitor the PDCCH during the time period corresponding to the non-sleep BWP.
  • the terminal realizes the adjustment of the sleep state of the auxiliary carrier by activating the sleep state of the BWP corresponding to the auxiliary carrier.
  • FIG. 13 shows a structural block diagram of an auxiliary carrier sleep indication device provided by an exemplary embodiment of the present application.
  • the device can be implemented as a terminal or a part of the terminal.
  • the device includes: a receiving module 1301 and a determining module 1302;
  • the receiving module 1301 is configured to receive DCI carried on the PDCCH, the DCI is configured with at least one indication field, and the indication field is used to indicate the sleep state of the auxiliary carrier;
  • the determining module 1302 is configured to determine the sleep state of the auxiliary carrier according to the target indicator field in the at least one indicator field.
  • the at least one indicator field includes at least one of a first indicator field and a second indicator field; wherein, the first indicator field is information dedicated to indicating the sleep state of the secondary carrier in the DCI
  • the second indicator field is the information field used to indicate the sleep state of the secondary carrier in the DCI when the DCI is DCI without data scheduling.
  • the first indicator field and the second indicator field belong to the same DCI or are different Two DCIs.
  • the at least one indicator field includes at least one of a first indicator field and a second indicator field; wherein, the first indicator field is dedicated to indicate the sleep state of the auxiliary carrier in the first DCI
  • the second indication field is an information field dedicated to indicating the sleep state of the secondary carrier in the second DCI.
  • the at least one indication field includes at least one of a first indication field and a second indication field; wherein, the first indication field is when the first DCI is DCI without data scheduling , The information field used to indicate the sleep state of the auxiliary carrier in the first DCI, and the second indication field is used to indicate the sleep state of the auxiliary carrier in the second DCI when the second DCI is a DCI without data scheduling Information domain.
  • the determining module 1302 is configured to determine the sleep state of the auxiliary carrier according to the first indicator field when the first indicator field exists in the at least one indicator field.
  • the determining module 1302 is configured to determine the sleep mode of the auxiliary carrier according to the second indicator field when the first indicator field does not exist in the at least one indicator field and the second indicator field exists. state.
  • the determining module 1302 is configured to determine the sleep state of the auxiliary carrier according to the second indicator field when the second indicator field exists in the at least one indicator field.
  • the determining module 1302 is configured to determine the sleep mode of the auxiliary carrier according to the first indicator field when the second indicator field does not exist in the at least one indicator field and the first indicator field exists. state.
  • the determining module 1302 is configured to determine the auxiliary carrier according to the first indicator field and the second indicator field when the first indicator field and the second indicator field exist in at least one indicator field.
  • the sleep state of the auxiliary carrier indicated by the second indicator field is the same as the sleep state of the auxiliary carrier indicated by the first indicator field.
  • the receiving module 1301 is configured to not expect to receive the secondary carrier indicated by the first indicator field when the first indicator field and the second indicator field exist in at least one indicator field.
  • the sleep state is different from the sleep state of the auxiliary carrier indicated by the second indication field.
  • the determining module 1302 is configured to determine, according to the frequency domain resource indication field in the DCI, whether the DCI is a DCI without data scheduling, and the DCI is the first DCI or the second DCI.
  • the determining module 1302 is configured to: when the resource allocation type of the partial bandwidth BWP corresponding to the auxiliary carrier is the first type, and the bits in the frequency domain resource indicator field are all 0 , It is determined that the DCI is DCI without data scheduling; or, the determining module 1302 is configured when the resource allocation type of the BWP corresponding to the secondary carrier is the second type, and the bits in the frequency domain resource indicator field are all 1 Next, determine that the DCI is a DCI without data scheduling.
  • the first indication field is configured by the upper layer radio resource control RRC.
  • the n carrier groups of the auxiliary carrier are configured by RRC, and the n carrier groups correspond to the n bits of the first indication field in a one-to-one correspondence, and n is a positive integer.
  • the information indicated by the second indication field includes: modulation and coding scheme information, new data indication information, redundancy version information, HARQ process number information, At least one of antenna port information and reference signal initial parameter information.
  • the second indication field includes at least one of a modulation and coding scheme field, a new data indication field, a redundancy version field, a HARQ process number field, an antenna port field, and a reference signal initial parameter field.
  • the first indication field is configured by higher layer RRC; the second indication field is configured by RRC.
  • the n carrier groups of the auxiliary carrier are configured by RRC, and the n carrier groups correspond to the n bits of the first indicator field one-to-one, and n is a positive integer; the m carrier groups of the auxiliary carrier are configured by In the RRC configuration, m carrier groups correspond to m bits of the second indicator field one-to-one, and m is a positive integer.
  • the information indicated by the first indication field includes: modulation and coding scheme information, new data indication information, redundancy version information, and HARQ process number At least one of information, antenna port information, and reference signal initial parameter information;
  • the information indicated by the second indication field includes: modulation and coding mode information, new data indication information, At least one of redundancy version information, HARQ process number information, antenna port information, and reference signal initial parameter information.
  • the first indication field includes at least one of a modulation and coding scheme field, a new data indication field, a redundancy version field, a HARQ process number field, an antenna port field, and a reference signal initial parameter field;
  • the second indication field includes at least one of a modulation and coding mode field, a new data indication field, a redundancy version field, a HARQ process number field, an antenna port field, and a reference signal initial parameter field.
  • the device further includes: an activation module 1303; and an activation module 1303, configured to activate the sleep state of the corresponding BWP according to the sleep state of the auxiliary carrier.
  • FIG. 14 shows a schematic structural diagram of a terminal provided by an exemplary embodiment of the present application.
  • the terminal includes: a processor 101, a receiver 102, a transmitter 103, a memory 104, and a bus 105.
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 may be implemented as a communication component, and the communication component may be a communication chip.
  • the memory 104 is connected to the processor 101 through a bus 105.
  • the memory 104 may be used to store at least one instruction, and the processor 101 is used to execute the at least one instruction to implement each step in the foregoing method embodiment.
  • the memory 104 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
  • the volatile or non-volatile storage device includes, but is not limited to: magnetic disks or optical disks, electrically erasable and programmable Read Only Memory (Erasable Programmable Read Only Memory, EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read Only Memory (Read -Only Memory, ROM), magnetic memory, flash memory, Programmable Read-Only Memory (PROM).
  • a computer-readable storage medium stores at least one instruction, at least one program, code set, or instruction set, and the at least one instruction, the At least one program, the code set, or the instruction set is loaded and executed by the processor to implement the sleep indication method of the auxiliary carrier performed by the terminal provided by the foregoing method embodiments.
  • the program can be stored in a computer-readable storage medium.
  • the storage medium mentioned can be a read-only memory, a magnetic disk or an optical disk, etc.

Abstract

L'invention concerne un procédé et un dispositif d'indication de dormance pour porteuse secondaire, ainsi qu'un terminal et un support de stockage, relevant du domaine des communications sans fil. Le procédé comprend les étapes consistant à : recevoir des DCI transportées sur un PDCCH, les DCI étant configurées avec au moins un champ indicateur (510) et le champ indicateur étant utilisé pour indiquer un état de dormance d'une porteuse secondaire ; et déterminer l'état de dormance de la porteuse secondaire en fonction d'un champ indicateur cible parmi ledit au moins un champ indicateur (520). Le procédé règle le problème de la manière de traiter une pluralité de modes d'indication de dormance lorsqu'un terminal peut les recevoir simultanément. De plus, un comportement du terminal est spécifié. La précision de l'indication de la dormance d'une porteuse secondaire s'en trouve améliorée.
PCT/CN2020/081783 2020-03-27 2020-03-27 Procédé et dispositif d'indication de dormance pour porteuse secondaire, terminal et support de stockage WO2021189446A1 (fr)

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PCT/CN2020/081783 WO2021189446A1 (fr) 2020-03-27 2020-03-27 Procédé et dispositif d'indication de dormance pour porteuse secondaire, terminal et support de stockage
CN202080091185.5A CN114902748B (zh) 2020-03-27 2020-03-27 辅助载波的睡眠指示方法、装置、终端及存储介质

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742672A (zh) * 2008-11-12 2010-06-16 阿尔卡特朗讯 无线电通信的方法及关联的基站、用户终端和通信网络
CN102625432A (zh) * 2011-01-28 2012-08-01 华为技术有限公司 一种非连续接收的方法和装置
US20180331810A1 (en) * 2009-06-15 2018-11-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. System and method for sharing a control channel for carrier aggregation
CN110831128A (zh) * 2018-08-10 2020-02-21 展讯通信（上海）有限公司 睡眠状态的确定方法、终端及可读介质
CN110856235A (zh) * 2018-08-20 2020-02-28 华为技术有限公司 信息发送、接收方法与通信设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9232467B2 (en) * 2011-04-18 2016-01-05 Lg Electronics Inc. Method for controlling power in a wireless communication system adopting a carrier aggregation technique, and apparatus for same
US9961718B2 (en) * 2015-03-27 2018-05-01 Qualcomm Incorporated Discontinuous reception in LTE/LTE-A networks including contention-based frequency spectrum

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101742672A (zh) * 2008-11-12 2010-06-16 阿尔卡特朗讯 无线电通信的方法及关联的基站、用户终端和通信网络
US20180331810A1 (en) * 2009-06-15 2018-11-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. System and method for sharing a control channel for carrier aggregation
CN102625432A (zh) * 2011-01-28 2012-08-01 华为技术有限公司 一种非连续接收的方法和装置
CN110831128A (zh) * 2018-08-10 2020-02-21 展讯通信（上海）有限公司 睡眠状态的确定方法、终端及可读介质
CN110856235A (zh) * 2018-08-20 2020-02-28 华为技术有限公司 信息发送、接收方法与通信设备

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