WO2020143722A1 - Procédé et dispositif d'indication de ressources - Google Patents

Procédé et dispositif d'indication de ressources Download PDF

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Publication number
WO2020143722A1
WO2020143722A1 PCT/CN2020/071243 CN2020071243W WO2020143722A1 WO 2020143722 A1 WO2020143722 A1 WO 2020143722A1 CN 2020071243 W CN2020071243 W CN 2020071243W WO 2020143722 A1 WO2020143722 A1 WO 2020143722A1
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WIPO (PCT)
Prior art keywords
terminal
signaling
reference signal
time period
time
Prior art date
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PCT/CN2020/071243
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English (en)
Chinese (zh)
Inventor
张战战
铁晓磊
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华为技术有限公司
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Publication of WO2020143722A1 publication Critical patent/WO2020143722A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a resource indication method and device.
  • the base station can configure the terminal with reference signals (for example, channel state information reference signals) used to measure mobility radio resource management (Radio Resource Management, RRM) (Channel State Information-Reference Signal, CSI-RS) resource).
  • RRC Radio Resource Control
  • the terminal may be configured with discontinuous reception (DRX), that is, C-DRX (Connected-DRX), the purpose is to make the terminal enter the sleep state (sleep mode) every certain period , That is, DRX-non-active (non-Active) state, does not monitor the physical downlink control channel (Physical Downlink Control Channel, PDCCH).
  • DRX-non-active Physical Downlink Control Channel
  • the existing protocol stipulates that if a terminal is configured with DRX and the DRX cycle used is greater than 80ms, then the terminal will only expect to receive CSI-RS resources used for mobility RRM measurement during the DRX-Active period. Meaning: During DRX-Active, the base station must send CSI-RS resources. When the DRX cycle is less than or equal to 80 ms, the terminal assumes that CSI-RS resources are always available, which means that regardless of whether the terminal is in DRX-Active or DRX-non-Active, the base station must send CSI-RS resources.
  • the terminal can quickly go to sleep by sending Go-To-Sleep (GTS) signaling to the terminal . That is, GTS signaling can change the terminal's behavior during DRX-Active, which will make it unclear whether the terminal is still in the DRX-Active state during the time period covered by GTS signaling. Therefore, the introduction of GTS signaling will make the terminal unclear about the specific actions to be performed by the terminal within the time period covered by the GTS signaling, which will increase the power consumption of the terminal to perform RRM measurement. For example, if the base station does not send CSI-RS resources within the time period covered by the GTS signaling, but the terminal performs RRM measurement, the measurement will be invalid and the terminal power consumption will be wasted.
  • GTS Go-To-Sleep
  • Embodiments of the present application provide a resource indication method and device to reduce terminal power consumption.
  • an embodiment of the present application provides a resource indication method, including: acquiring downlink control information including first signaling.
  • first signaling is used to indicate that there is no data scheduling in the first time period and is used to determine whether the reference signal resource is configured for the terminal in the first time period, according to the first signaling, the terminal is processed in the first time period Behavior; and/or, when the first signaling is used to indicate that there is no data scheduling after the first starting time, and is used to determine whether the reference signal resource is configured for the terminal after the first starting time, process according to the first signaling The behavior of the terminal after the first starting moment.
  • Embodiments of the present application provide a resource indication method by sending downlink control information to a terminal through a network device, so that the terminal can receive downlink control information from the network device. Therefore, the terminal may determine the first time period according to the first signaling in the downlink control information, and/or, there is no data scheduling after the first starting time, and whether the network device configures the reference signal resource for the terminal.
  • the terminal may enter the sleep state according to the first signaling, if the terminal determines the first time period Within, and/or, after the first start time, the network device configures the terminal with reference signal resources, the terminal may determine whether to perform RRM measurement.
  • the first signaling is used to determine whether the reference signal resource is configured for the terminal in the first time period, including: the first signaling is used to explicitly indicate whether the terminal is configured for reference in the first time period Signal resources; and/or, the first signaling is used to determine whether the reference signal resource is configured for the terminal after the first starting time, including: the first signaling is used to explicitly indicate whether the terminal is configured for the reference after the first starting time Signal resources.
  • the first signaling explicitly indicates the first time period covered by the first signaling, and/or whether the terminal is configured with reference signal resources after the first starting time, and then the terminal can specify whether it needs to sleep.
  • the first signaling includes a first indication; wherein the first indication is used to indicate whether a reference signal resource is configured for the terminal within the first time period; and/or the first indication is used to indicate Whether the reference signal resource is configured for the terminal in the time period from the first start time to the time when the DRX inactive state timer timeout is not received continuously.
  • Use the first indication to explicitly indicate whether the terminal is configured as a reference for the terminal within the first time period, and/or from the first start time to the discontinuous reception of the DRX inactive timer timer timeout time
  • Signal resources can avoid the terminal's unclear understanding of whether reference signal resources are sent.
  • the first signaling includes a first bitmap
  • the first bitmap includes one or more bits, one or more bits and one or more reference signal resources after the first start time.
  • One association Any one of the one or more bits is used to indicate whether the terminal configures the reference signal resource associated with the any one bit after the first start time.
  • the first signaling is also used to indicate the second time period
  • the start time of the second time period is the second start time
  • the first signaling is also used to indicate the second time period Inside, no reference signal resource is configured for the terminal.
  • the first signaling is used to determine whether the reference signal resource is configured for the terminal during the first time period, including: the first signaling is used to implicitly indicate whether the terminal is configured to be referenced during the first time period Signal resources; and/or, the first signaling is used to determine whether the reference signal resource is configured for the terminal after the first starting time, including: the first signaling is used to implicitly indicate whether the terminal is configured for the reference after the first starting time Signal resources.
  • the first signaling implicitly indicates whether to configure the reference signal resource for the terminal within the first time period, including: the first signaling is used to indicate the first time period.
  • the first signaling implicitly indicates whether to configure the reference signal resource for the terminal after the first starting time, including: the first signaling is used to indicate that the DRX duration is stopped at the first starting time Timer and DRX inactive timer.
  • the starting time of the first time period is the third starting time indicated by the first signaling.
  • the first signaling is used to explicitly indicate any one of the first start time, the second start time, and the third start time.
  • the first signaling is used to implicitly indicate any one of the first start time, the second start time, and the third start time.
  • the first start time is the time when the terminal successfully decodes the first signaling, or the first start time is the time when the terminal sends feedback to the network that the downlink retransmission data has been successfully received, that is, the terminal sends the downlink retransmission data to the network Acknowledgement (ACK) feedback time.
  • ACK network Acknowledgement
  • processing the terminal's behavior in the first time period according to the first signaling includes: according to the first signaling, when determining that the reference signal resource is configured for the terminal in the first time period, the terminal determines Whether the mobility radio resource management measurement needs to be performed within the first time period.
  • the terminal enters the sleep state, and the mobility radio resource management measurement is not performed within the first time period.
  • processing the terminal's behavior after the first starting time according to the first signaling includes: when determining that the reference signal resource is configured for the terminal after the first starting time according to the first signaling, the terminal determines at the first starting time Whether the mobile radio resource management measurement needs to be performed at the time-frequency position where the reference signal resource is configured for the terminal, when the first signaling indicates that the reference signal resource is not configured for the terminal after the first start time, the terminal enters the sleep state, and The first signaling indicates that no mobility radio resource management measurement is performed at the time-frequency location where the reference signal resource is not configured for the terminal.
  • an embodiment of the present application provides a resource indication method, including: determining downlink control information; wherein, the downlink control information includes first signaling, and the first signaling is used to indicate that there is no data scheduling in the first time period, and It is used to determine whether the reference signal resource is configured for the terminal within the first time period; and/or, the first signaling is used to indicate that there is no data scheduling after the first start time, and to determine whether to start from the first start time Configure a reference signal resource for the terminal; send downlink control information to the terminal.
  • the first signaling is used to determine whether the reference signal resource is configured for the terminal in the first time period, including: the first signaling is used to explicitly indicate whether the terminal is configured for reference in the first time period Signal resources; and/or, the first signaling is used to determine whether the reference signal resource is configured for the terminal after the first starting time, including: the first signaling is used to explicitly indicate whether the terminal is configured for the reference after the first starting time Signal resources.
  • the first signaling includes the first indication.
  • the first indication is used to indicate whether the reference signal resource is configured for the terminal within the first time period; and/or the first indication is used to indicate the time from when the DRX inactive timer is not continuously received after the first start time Whether the reference signal resource is configured for the terminal in the time period between.
  • the first signaling includes a first bitmap
  • the first bitmap includes one or more bits, one or more bits and one or more reference signal resources after the first start time.
  • An association; any one of the one or more bits is used to indicate whether the terminal configures the reference signal resource associated with the any one bit after the first start time.
  • the first signaling is also used to indicate the second time period
  • the start time of the second time period is the second start time
  • the first signaling is also used to indicate the second time period Inside, no reference signal resource is configured for the terminal.
  • the first signaling is used to determine whether the reference signal resource is configured for the terminal in the first time period, including: the first signaling is used to implicitly indicate whether the terminal is the terminal in the first time period Configuring reference signal resources; and/or, the first signaling is used to determine whether to configure reference signal resources for the terminal after the first starting time, including: the first signaling is used to implicitly indicate whether it is the terminal after the first starting time Configure reference signal resources.
  • the first signaling implicitly indicates whether the reference signal resource is configured for the terminal within the first time period, including: the first signaling is used to indicate the first time period.
  • the first signaling implicitly indicates whether to configure the reference signal resource for the terminal after the first starting time, including: the first signaling is used to indicate that the DRX duration is stopped at the first starting time Timer and DRX inactive timer.
  • the starting time of the first time period is the third starting time indicated by the first signaling.
  • sending the downlink control information to the terminal includes sending a physical downlink control channel to the terminal.
  • the physical downlink control channel carries downlink control information.
  • an embodiment of the present application provides a resource indication device, where the resource indication device may be a terminal or a chip in the terminal.
  • the device may include a processing unit and a transceiver unit.
  • the processing unit may be a processor
  • the transceiving unit may be a transceiver.
  • the terminal may further include a storage unit, and the storage unit may be a memory.
  • the storage unit is used to store instructions, and the processing unit executes the instructions stored by the storage unit to enable the terminal to implement the first aspect or any one of the possible implementation manners of the first aspect.
  • the processing unit may be a processor, and the transceiver unit may be a communication interface, such as an input/output interface, a pin, or a circuit.
  • the processing unit executes instructions stored in the storage unit to enable the terminal to implement a resource indication method described in the first aspect or any possible implementation manner of the first aspect, and the storage unit may be a storage in the chip
  • the unit for example, register, cache, etc.
  • an embodiment of the present application provides a resource indication device.
  • the resource indication device may be a network device or a chip in the network device.
  • the device may include a processing unit and a transceiver unit.
  • the processing unit may be a processor, and the transceiver unit may be a transceiver;
  • the network device may further include a storage unit, which may be a memory; the storage unit is used to store instructions, the processing The unit executes the instructions stored by the storage unit, so that the network device implements the resource indication method described in the second aspect or any possible implementation manner of the second aspect.
  • the processing unit may be a processor, and the transceiver unit may be an input/output interface, a pin, or a circuit, etc.; the processing unit executes instructions stored in the storage unit to enable the network
  • the device implements a resource indication method described in the second aspect or any possible implementation manner of the second aspect.
  • the storage unit may be a storage unit (for example, a register, a cache, etc.) in the chip, or may be the The storage unit (for example, read only memory, random access memory, etc.) located outside the chip in the network device.
  • an embodiment of the present application provides a computer-readable storage medium in which a computer program or instruction is stored.
  • the computer program or instruction runs on a computer, the computer is executed as described in the first aspect to the first The resource indication method described in any possible implementation manner on the one hand.
  • an embodiment of the present application provides a computer-readable storage medium in which a computer program or instruction is stored.
  • the computer program or instruction runs on a computer, the computer is executed as described in the second aspect to the first
  • an embodiment of the present application provides a computer program product including instructions, which when executed on a computer, causes the computer to perform a resource indication described in the first aspect or various possible implementation manners of the first aspect method.
  • the present application provides a computer program product including instructions, which when executed on a computer, causes the computer to execute a resource indication method described in the second aspect or various possible implementation manners of the second aspect.
  • an embodiment of the present application provides a communication system including any one or more of the following: the terminal described in the third aspect and various possible implementation manners, and the fourth aspect and the fourth aspect Network devices described in various possible implementations.
  • an embodiment of the present application provides a resource indication device, where the resource indication device includes a processor and a storage medium, where the storage medium stores instructions, and when the instructions are executed by the processor, the implementation is as in the first aspect Or the resource indication method described in various possible implementation manners of the first aspect.
  • an embodiment of the present application provides a resource indicating apparatus.
  • the resource indicating apparatus includes a processor and a storage medium.
  • the storage medium stores instructions. When the instructions are executed by the processor, the instructions are implemented as the second The resource indication method described in various possible implementation manners of the aspect or the second aspect.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a network device according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of another network device according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a communication device according to an embodiment of this application.
  • FIG. 5 is a schematic diagram 1 of a resource indication provided by an embodiment of this application.
  • FIG. 6 is a schematic diagram of an interaction process of a resource indication method provided by an embodiment of this application.
  • FIG. 7 is a schematic diagram 2 of a resource indication provided by an embodiment of this application.
  • FIG. 8 is a schematic diagram 3 of a resource indication provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram 4 of a resource indication provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram 5 of a resource indication provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram 1 of a resource indication device provided by an embodiment of this application.
  • FIG. 12 is a second structural diagram of a resource indication device provided by an embodiment of this application.
  • FIG. 13 is a schematic structural diagram 3 of a resource indication device provided by an embodiment of this application.
  • FIG. 14 is a schematic structural diagram 4 of a resource indication device according to an embodiment of the present application.
  • 15 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • the words “first” and “second” are used to distinguish the same or similar items that have substantially the same functions and functions.
  • the first start time and the second start time are only for distinguishing different start times, and do not limit their order.
  • the words “first” and “second” do not limit the number and the execution order, and the words “first” and “second” are not necessarily different.
  • LTE long-term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • UMTS universal mobile communication system
  • WiMAX global interoperability for microwave access
  • PLMN public land mobile network
  • D2D device-to-device
  • M2M machine-to-machine
  • the network architecture and business scenarios described in the embodiments of the present application are to more clearly explain the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. With the evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.
  • the method provided is applied to an NR system or a 5G network as an example for description.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the relationship of the related objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A exists alone, A and B exist at the same time, B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the related object is a “or” relationship.
  • “At least one of the following” or similar expressions refers to any combination of these items, including any combination of single items or plural items.
  • At least one item (a) in a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, c can be a single or multiple .
  • an embodiment of the present application provides a communication system.
  • the communication system includes: a network device 100 and one or more terminals 200 that communicate with the network device 100. It should be understood that only one terminal and network device are shown in FIG. 1. In the actual process, there may be more network devices and terminals.
  • the network device 100 sends information (eg, downlink control information (Downlink Control Information) to the terminal 200 through a downlink channel (eg, Physical Downlink Control Channel (PDCCH)) , DCI)) to the terminal 200, and the terminal 200 sends information to the network device 100 through an uplink channel (for example, a physical uplink control channel (Physical Uplink Control Channel, PUCCH)).
  • a downlink channel eg, Physical Downlink Control Channel (PDCCH)
  • DCI Downlink Control Channel
  • PUCCH Physical Uplink Control Channel
  • the terminal 200 is a device with wireless communication function, which can be deployed on land, including indoor or outdoor, handheld or in-vehicle, and can also be a sensor-type device. Can also be deployed on the water (such as ships, etc.). It can also be deployed in the air (such as airplanes, balloons, satellites, etc.).
  • the terminal 200 is also referred to as user equipment (UE), mobile station (MS), mobile terminal (MT), terminal equipment, etc., and it is a way to provide users with voice and/or data connectivity device of.
  • the terminal 200 includes a handheld device having a wireless connection function, a vehicle-mounted device, and the like.
  • the terminal can be: a mobile phone (mobile phone), a tablet computer, a laptop computer, a palmtop computer, a mobile internet device (mobile internet device (MID)), a wearable device (such as a smart watch, smart bracelet, pedometer, etc.), In-vehicle equipment (for example, cars, bicycles, electric cars, airplanes, ships, trains, high-speed rail, etc.), virtual reality (virtual reality (VR) equipment, augmented reality (augmented reality, AR) equipment, industrial control (industrial control) Wireless terminals, smart home devices (for example, refrigerators, TVs, air conditioners, electricity meters, etc.), smart robots, workshop equipment, wireless terminals in self-driving (self-driving), wireless terminals in remote surgery (remote medical), smart Wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, or wireless terminals in smart homes, flying equipment (e.g.
  • the terminal device is a terminal device that often works on the ground, for example, a vehicle-mounted device.
  • chips deployed in the above-mentioned devices such as a system-on-a-chip (SOC), baseband chips, or other chips with communication functions, may also be referred to as terminals.
  • the terminal 200 may be a vehicle with a corresponding communication function, or a vehicle-mounted communication device, or other embedded communication device, or may be a user's handheld communication device, including a mobile phone, a tablet computer, and so on.
  • the terminal 200 may also be a wearable device.
  • Wearable devices can also be referred to as wearable smart devices. It is a general term for applying wearable technology to intelligently design everyday wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions that do not depend on smartphones, such as smart watches or smart glasses, and only focus on a certain type of application functions, and need to cooperate with other devices such as smartphones Use, such as various smart bracelets and smart jewelry for sign monitoring.
  • the network device 100 is an entity that can be used in conjunction with the terminal 200 to transmit or receive signals.
  • it can be an access point (Access Point, AP) in WLAN, or an evolved base station (evolved Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device As well as network equipment in the future 5G network (also called New Radio (NR)) or network equipment in the future evolved PLMN network, etc.
  • AP Access Point
  • eNB evolved Node B
  • eNodeB evolved Node B
  • a relay station or access point or a vehicle-mounted device
  • wearable device As well as network equipment in the future 5G network (also called New Radio (NR)) or network equipment in the future evolved PLMN network, etc.
  • 5G network also called New Radio (NR)
  • NR New Radio
  • the communication system shown in FIG. 1 may further include: a core network.
  • the network device 100 can be connected to the core network.
  • the core network may be a 4G core network (for example, Evolved Packet Core (EPC)) or a 5G core network (5G Core, 5GC), or a core network in various future communication systems.
  • EPC Evolved Packet Core
  • 5G Core 5G Core
  • the network device 100 may be an evolved base station (evolved Node B, eNB or eNodeB) in a 4G system.
  • the terminal 200 is a terminal that can perform information transmission with the eNB.
  • the eNB accesses the EPC network through the S1 interface.
  • the network device 100 may be a Next Generation Node B (gNB) in the NR system, and the terminal 200 is a terminal that can perform information transmission with gNB.
  • gNB is connected to 5GC through the NG interface.
  • the network device 100 may also be a 3rd generation partnership project (3GPP) protocol base station, or may be a non-3GPP protocol base station.
  • 3GPP 3rd generation partnership project
  • GTS Go-to-sleep
  • DRX discontinuous reception
  • RRC radio resource control
  • NB-IoT Narrow Band-Internet of Things
  • MTC Machine Type Communication
  • the role of GTS signaling is to send to the terminal 200 if the network device 100 detects that there is currently no data during the DRX-Active period of the terminal.
  • the network device 100 may send GTS signaling to the terminal 200 to make the terminal 200 quickly enter a sleep state to save power consumption.
  • the network device 100 may determine whether there is data to be sent to the terminal 200 by detecting the size of the data buffered by the network device 100 or according to the type of service.
  • GTS signaling will be carried on the PDCCH and sent to the terminal 200.
  • GTS signaling As for the role of GTS signaling, it can be: (1) Notify the terminal that there is no data scheduling after the time specified by GTS signaling, so that the terminal enters the sleep state to save power consumption. (2) Notify the terminal that there is no data scheduling within a period specified by GTS signaling, so that the terminal can sleep during this period, or skip PDCCH detection during this period.
  • the network device 100 provides a service for the cell
  • the terminal 200 communicates with the network device 100 through the transmission resources (for example, time-domain resources, or frequency-domain resources, or time-frequency resources) used by the cell.
  • the cell may be a cell corresponding to the network device 100 (for example, a base station), and the cell may belong to a macro base station or a base station corresponding to a small cell (small cell), where the small cell may include: an urban cell (metro cell) and a micro cell (micro cell, pico cell, femto cell, etc.) These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the future access network can be implemented using a cloud radio access network (C-RAN) architecture
  • C-RAN cloud radio access network
  • one possible way is to divide the protocol stack architecture and functions of the traditional base station into two parts, one part is called centralized Unit (CU), the other part is called distributed unit (DU), and the actual deployment method of CU and DU is more flexible, for example, the CU parts of multiple base stations are integrated together to form a large-scale function entity.
  • FIG. 2 it is a schematic diagram of a network architecture provided by an embodiment of this application.
  • the network architecture includes core network (CN) equipment and access network (Radio Access Network (RAN) as an example) equipment.
  • the RAN equipment includes a baseband device and a radio frequency device.
  • the baseband device can be implemented by one node or multiple nodes.
  • the radio frequency device can be implemented independently from the baseband device, can also be integrated into the baseband device, or can be partly remote. Integrated in the baseband device.
  • a RAN device eNB
  • eNB includes a baseband device and a radio frequency device, where the radio frequency device can be remotely arranged relative to the baseband device (for example, a radio remote unit (Radio Remote Unit, RRU) relative to the baseband processing unit ( Building, Base, Unit (BBU)), RAN equipment is realized by a node, which is used to implement Radio Resource Control (RRC), Packet Data Convergence Layer Protocol (Packet Date Convergence Protocol, PDCP), radio link control (Radio Link Control, RLC), media access control (Medium Access Control, MAC) and other protocol layer functions.
  • RRC Radio Resource Control
  • PDCP Packet Data Convergence Layer Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • the baseband device may include a centralized unit (CU) and a distributed unit (DU), and multiple DUs may be controlled centrally by one CU.
  • CU and DU can be divided according to the protocol layer of the wireless network.
  • the functions of the protocol layer and above of the packet data convergence layer are set in the CU.
  • the CU has the functions of the RRC protocol layer and the PDCP protocol layer; below the PDCP
  • the protocol layer such as radio link control (Radio Link Control, RLC) and media access control layer, and physical layer and other functions are set in DU.
  • This division of the protocol layer is only an example, and it can also be divided at other protocol layers, for example, at the RLC layer, the functions of the RLC layer and above protocol layers are set to CU, and the functions of the protocol layers below the RLC layer are set to DU; Or, in a certain protocol layer, for example, some functions of the RLC layer and the functions of the protocol layer above the RLC layer are set in the CU, and the remaining functions of the RLC layer and the functions of the protocol layer below the RLC layer are set in the DU. In addition, it can also be divided in other ways, for example, according to delay, and the function that the processing time needs to meet the delay requirement is set in the DU, and the function that does not need to meet the delay requirement is set in the CU.
  • the radio frequency device can be remotely located, not placed in the DU, or integrated in the DU, or partially remotely integrated in the DU, without any limitation.
  • control plane (CP) and the user plane (UP) of the CU can also be separated and divided into different entities for implementation, namely control The plane CU entity (CU-CP entity) and the user plane CU entity (CU-UP entity).
  • the data generated by the CU can be sent to the terminal through the DU, or the data generated by the terminal can be sent to the CU through the DU.
  • the DU can encapsulate the data directly and pass it to the terminal or CU without parsing the data.
  • the data of the RRC or PDCP layer will eventually be processed as data of the physical layer (Physical Layer, PHY) and sent to the terminal, or converted from the data of the received PHY layer.
  • the RRC or PDCP layer data can also be considered to be sent by the DU.
  • the CU is divided into access network devices in the RAN.
  • the CU may also be divided into access network devices in the CN, which is not limited herein.
  • the devices in the following embodiments of the present application may be located in a terminal or an access network device according to the functions they implement.
  • the network device may be a CU node, or a DU node, or a RAN device including functions of the CU node and the DU node.
  • FIG. 4 shows a schematic diagram of a hardware structure of a communication device provided by an embodiment of the present application.
  • the communication device includes a processor 41, a communication line 44, and at least one communication interface (only an example in FIG. 4 takes the transceiver 43 as an example).
  • the processor 41 may be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more used to control the execution of the program program of the present application integrated circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the communication line 44 may include a path for transferring information between the aforementioned components.
  • Transceiver 43 using any kind of transceiver-like device for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area network (WLAN), etc. .
  • RAN radio access network
  • WLAN wireless local area network
  • the communication device may further include a memory 42.
  • the memory 42 may be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, a random access memory (random access memory, RAM), or other types of information and instructions that can be stored
  • the dynamic storage device can also be electrically erasable programmable read-only memory (electrically erasable programmable-read-only memory (EEPROM), read-only compact disc (compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (Including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be used by a computer Access to any other media, but not limited to this.
  • the memory may exist independently, and is connected to the processor through the communication line 44. The memory can also be integrated with the processor.
  • the memory 42 is used to store computer execution instructions for executing the solution of the present application, and the processor 41 controls the execution.
  • the processor 41 is used to execute computer-executed instructions stored in the memory 42, so as to implement the resource instruction method provided in the following embodiments of the present application.
  • the computer execution instructions in the embodiments of the present application may also be called application program codes, which are not specifically limited in the embodiments of the present application.
  • the processor 41 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 4.
  • the communication device may include multiple processors, such as the processor 41 and the processor 45 in FIG. 4.
  • processors may be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor.
  • the processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (eg, computer program instructions).
  • the purpose of mobility RRM measurement is to enable cells in RRC idle state (RRC_IDLE) and RRC inactive state (RRC_INACTIVE) to perform cell selection/reselection (cell selection/relection), and to enable terminals in RRC connected state (RRC_CONNECTED) Do cell handover.
  • Reference signal resources currently used for RRM measurement may be: synchronization signal block (synchronization signal block, SSB) and channel state information reference signal (Channel State Information-Reference Signal, CSI-RS).
  • SSB is a cell-level signal resource, so the terminal can be used in the RRC idle state/inactive state/connected state.
  • the CSI-RS resource is used by the terminal in the RRC connected state.
  • the network device 100 configures a certain CSI-RS resource through RRC signaling for mobility RRM measurement.
  • RRC signaling which signal is specifically used for RRM measurement (which may be based on two signals at the same time) may be configured by the network device 100 for the terminal 200 through RRC signaling.
  • the terminal 200 may configure discontinuous reception (Connected-Discontinuous Reception, C-DRX).
  • C-DRX Connected-Discontinuous Reception
  • the purpose of C-DRX is to make the terminal enter DRX-ON every certain period to send and receive data. At other times, it can enter the sleep state without monitoring the PDCCH, thereby saving power consumption of the terminal.
  • the terminal is in the DRX active state (DRX-Active state).
  • timers include: DRX duration timer (DRX-onDurationTimer), DRX inactivity timer (DRX-InactivityTimer), DRX downlink retransmission timer (DRX-RetransmissionTimerDL), DRX uplink retransmission timer (DRX- RetransmissionTimerUL), random access conflict resolution timer (ra-ContentionResolutionTimer).
  • DRX duration timer DRX-onDurationTimer
  • DRX inactivityTimer DRX-InactivityTimer
  • DRX-RetransmissionTimerDL DRX downlink retransmission timer
  • DRX-RetransmissionTimerUL DRX uplink retransmission timer
  • random access conflict resolution timer ra-ContentionResolutionTimer
  • the terminal will continue to monitor the PDCCH. If the terminal leaves the DRX-Active state, that is, enters the sleep state (DRX-OFF or DRX-non-active state), the terminal does not monitor the PDCCH. At the beginning of the C-DRX cycle, it will first enter DRX ONDuration, and at the same time start the timer DRX-onDurationTimer. If the terminal receives a PDCCH indicating a new data transmission in the downlink or a new data transmission in the uplink during DRX ON Duration, it will start (or restart) the timer DRX-InactivityTimer.
  • the terminal will stay in the DRX-Active state until the DRX-InactivityTimer timer expires. Or the terminal receives relevant Media Access Control (MAC) Control Unit (Control Element, CE) signaling to stop the DRX-InactivityTimer timer and DRX-onDurationTimer timer in advance.
  • MAC Media Access Control
  • the terminal will only expect to receive CSI-RS resources for mobility RRM measurement during the DRX-Active period, which means: During Active, the network device must send CSI-RS resources for RRM measurement, and during the DRX-inactive state, the network device can choose to send or not to send CSI-RS resources for RRM measurement, that is, in DRX-inactive The network device may stop sending CSI-RS resources for RRM measurement. When the DRX cycle is less than or equal to 80 ms, the terminal assumes that the CSI-RS resources used for RRM measurement are always available. That is, regardless of whether the terminal is in the DRX-Active or DRX-inactive state, the network device must send the CSI-RS resource used for RRM measurement.
  • GTS signaling is introduced. Regardless of whether GTS signaling indicates a time period or after a time, it will change the terminal's behavior during DRX-Active. If the time period covered by the GTS is not specified, the terminal will not understand whether it is still in the DRX-Active state during that period of time, and the uncertainty of this understanding will increase the power consumption of the terminal to perform RRM measurement. For example, if the DRX cycle is greater than 80ms and the period covered by GTS happens to contain CSI-RS resources used for mobility RRM measurement, if GTS signaling is not introduced, the period is still in the DRX-Active period. The existing protocol will consider the CSI-RS resource available.
  • the network device will not configure the CSI-RS resource for the terminal within the time period covered by the GTS, and the terminal will mistakenly assume that the network device is configured with the CSI-RS resource for the terminal.
  • the terminal will not know whether the CSI-RS resource is available. If the terminal and the network device have different understandings, that is, the terminal considers that the CSI-RS resource is available to perform RRM measurement on the CSI-RS, but the network device believes that the period of time has become The DRX-non-Active state and therefore no CSI-RS resources are sent, which will cause the terminal to make this RRM measurement invalid and waste the terminal power consumption.
  • the network device sends a PDCCH to the terminal, and the PDCCH is used to send downlink scheduling information to the terminal, so that the terminal receives a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH). That is, the PDCCH is used to schedule PDSCH transmission.
  • PDSCH carries data transmission.
  • the information carried in the PDCCH may be referred to as Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • GTS signaling 1 and GTS signaling 2 may be carried in the PDCCH.
  • the role of GTS signaling 1 is to make the terminal sleep for a period of time (or to make the terminal skip the PDCCH detection of period 1).
  • the role of GTS signaling 2 is to indicate that there is no data scheduling after the start time T1 (for example, time period 2 from T1), so that the terminal enters the sleep state from time T1, that is, the terminal will enter the sleep state in advance.
  • the terminal will not understand whether it is still in the DRX-Active state during time period 1 and time period 2, and the uncertainty of this understanding will cause the terminal to determine whether the network device is in this time period
  • the configuration of CSI-RS resources within 1 and time period 2 caused confusion. If the network device does not configure CSI-RS resources in the time period 1 and time period 2, but the terminal performs RRM measurement, it will cause invalid measurement and waste power consumption of the terminal.
  • an embodiment of the present application provides a resource indication method, which indicates to a terminal whether a network device configures a CSI-RS resource for a terminal during a time period covered by GTS signaling based on GTS signaling.
  • a resource indication method which indicates to a terminal whether a network device configures a CSI-RS resource for a terminal during a time period covered by GTS signaling based on GTS signaling.
  • An embodiment of the present application provides a resource indication method.
  • the execution subject of the sending end of the resource indication method may be a network device or a chip applied to the network device.
  • the execution subject of the receiving end of the resource instruction method may be a terminal, or may be a chip applied in the terminal.
  • the following embodiments take the execution body of the sending end of the resource indication method as a network device, and take the execution body of the receiving end of the resource indication method as a terminal as an example.
  • an embodiment of the present application provides a resource indication method.
  • the method includes:
  • Step 101 The network device determines downlink control information.
  • DCI includes first signaling.
  • the first signaling is used to indicate that there is no data scheduling in the first time period, and used to determine whether to configure reference signal resources for the terminal in the first time period. And/or, the first signaling is used to indicate that there is no data scheduling after the first starting time, and is used to determine whether to configure reference signal resources for the terminal after the first starting time.
  • the first signaling may be a redundant field in DCI or a field added by DCI.
  • the first signaling in the embodiments of the present application may have the following indication meanings: the first signaling is used to indicate that there is no data scheduling in the first time period, and is used to determine whether the reference signal is configured for the terminal during the first time period Resources. Alternatively, the first signaling is used to indicate that there is no data scheduling after the first starting time, and is used to determine whether to configure reference signal resources for the terminal after the first starting time. Or, the first signaling is used to indicate that there is no data scheduling in the first time period, and is used to determine whether the terminal is configured with reference signal resources during the first time period, and the first signaling is used to indicate after the first start time There is no data scheduling, and it is used to determine whether to configure reference signal resources for the terminal after the first starting time.
  • the reference signal resource in the embodiment of the present application may be used for the terminal to perform mobility radio resource management (Radio Resource Management, RRM) measurement in the RRC connected state.
  • RRM Radio Resource Management
  • the reference signal resources include: channel state information reference signal (Channel-Information-Reference Signal, CSI-RS) resources, or other reference signal resources used for RRM measurement.
  • CSI-RS Channel state information reference signal
  • the time unit and/or the time unit of the starting time involved in the embodiments of the present application may be: symbol, time slot, subframe, frame, absolute time (for example, milliseconds, seconds, etc.). For the following descriptions of time periods, you can refer to the descriptions here, which will not be repeated hereafter.
  • the first signaling may be the above-mentioned GTS signaling.
  • the first signaling can also be carried in the PDSCH.
  • Step 102 The network device sends downlink control information to the terminal.
  • the network device may send downlink control information to the terminal through a physical downlink control channel (Physical Downlink Control Channel, PDCCH).
  • a physical downlink control channel Physical Downlink Control Channel, PDCCH.
  • Step 103 The terminal obtains downlink control information.
  • the downlink control information includes first signaling.
  • step 103 For the specific function of the first signaling in step 103, reference may be made to the description at step 101, and details are not described herein again.
  • the terminal may receive downlink control information from the network device through the PDCCH.
  • Step 104 When the first signaling is used to indicate that there is no data scheduling in the first time period, and is used to determine whether the reference signal resource is configured for the terminal within the first time period, the terminal processes the terminal in the first according to the first signaling Behavior during the time period.
  • Step 105 When the first signaling is used to indicate that there is no data scheduling after the first starting time, and is used to determine whether the reference signal resource is configured for the terminal after the first starting time, the terminal processes the terminal according to the first signaling. Behavior after the first starting moment.
  • Embodiments of the present application provide a resource indication method by sending downlink control information to a terminal through a network device, so that the terminal can receive downlink control information from the network device. Therefore, the terminal may determine the first time period according to the first signaling in the downlink control information, and/or, there is no data scheduling after the first starting time, and whether the network device configures the reference signal resource for the terminal.
  • the terminal may enter the sleep state according to the first signaling, if the terminal determines the first time period Within, and/or, after the first start time, the network device configures the terminal with reference signal resources, the terminal may determine whether to perform RRM measurement.
  • the above steps 101-105 mainly describe the process of the terminal acquiring the first signaling.
  • the following will introduce how the first signaling is used to determine whether to configure the reference signal resource for the terminal within the first time period. And/or for determining whether to configure reference signal resources for the terminal after the first starting time.
  • the first signaling in the embodiment of the present application is used to determine whether the reference signal resource is configured for the terminal within the first time period can be implemented in the following manner: the first signaling is used for explicit indication Whether to configure reference signal resources for the terminal within the first time period.
  • the first signaling is used to determine whether the reference signal resource is configured for the terminal after the first starting time, and can be implemented in the following manner: The first signaling is used to explicitly indicate whether the terminal is configured for the reference signal resource after the first starting time.
  • the explicit indication of the first signaling may be implemented in the following manner: the first signaling includes the first indication.
  • the first indication is used to indicate whether the reference signal resource is configured for the terminal within the first time period. And/or, the first indication is used to indicate whether a reference signal resource is configured for the terminal in the time period from the first start time to the time period when the DRX inactive state timer timeout expires.
  • the redundant bits in the first signaling may be used as the first indication, or N bits may be added to the first signaling as the first indication.
  • N is an integer greater than or equal to 1.
  • N may be 1. That is, adding 1 bit to the first signaling indicates whether to configure reference signal resources for the terminal within the first time period.
  • the first indication may be first indication information or second indication information.
  • the first indication information is used to instruct to configure reference signal resources for the terminal within the first time period. And/or, the first indication information is used to indicate that the reference signal resource is configured for the terminal in the period from the first start time to the time when the DRX inactive state timer timeout expires.
  • the second indication information is used to indicate that no reference signal resource is configured for the terminal within the first time period. And/or the first indication information is used to indicate that the reference signal resource is not configured for the terminal in the time period from the first start time to the time when the DRX inactive state timer timeout expires.
  • the first indication information may be “1", and the second indication information may be “0".
  • the first indication information may be "0”, and the second indication information may be "1". This embodiment of the present application does not limit this.
  • the start time of the first time period in the embodiment of the present application is the third start time indicated by the first signaling.
  • the first signaling may indicate the third starting time and duration of the first time period to the terminal, so that the terminal determines the first time period according to the first signaling.
  • the first signaling may also indicate to the terminal the third starting time of the first time period and the first ending time of the first time period, so that the terminal determines the first time period according to the first signaling.
  • the first indication may be used for other purposes. Or, if the network device determines that the reference signal resource for RRM measurement is not included in the time period between the first time period and the time from the first start time to the discontinuous reception of the DRX inactive state timer timeout, the first The first indication may not be carried in a signaling.
  • the network device configures the reference signal resources for the terminal in advance, and the time and frequency positions of the reference signal resources have been determined. It is possible that the time period covered by the GTS includes just a part of the reference signal resources or may not include the reference signal resources. Because reference signal resources exist periodically, there may be reference signal resources in some time-frequency locations. In some time-frequency locations, there may be no reference signal resources.
  • the C-DRX period used is 160 ms
  • the CSI-RS period used for mobility RRM measurement is configured as 20 ms as an example.
  • the first signaling is used to indicate the first For example, there is no data scheduling in the time period (for example, no scheduling for the PDSCH) and no data scheduling after the first starting time.
  • GTS signaling 3 may carry 1 bit to indicate whether to configure CSI-RS resources for the terminal within the time period 3 specified by GTS signaling 3. For example, 0 indicates that the terminal has not configured CSI-RS resources. 1 means configuring CSI-RS resources for the terminal.
  • the role of GTS signaling 4 is to indicate that there is no data scheduling after the first starting time T2 designated by GTS.
  • the GTS signaling 4 may carry 1 bit to indicate whether the terminal configures CSI-RS resources in the time period 4 from the T2 time specified by the GTS signaling 4 to the current DRX-InactivityTimer natural timing timeout time. For example, 0 indicates that the terminal has not configured CSI-RS resources. 1 means configuring CSI-RS resources for the terminal.
  • the first signaling explicitly indicates whether the reference signal resource is configured for the terminal after the first starting time can also be implemented in the following manner: the first signaling includes a first bitmap (bitmap), and the first bitmap includes one or Multiple bits, one or more bits are one to one associated with one or more reference signal resources after the first start time; any one of the one or more bits is used to indicate whether the terminal is configured with Reference signal resource associated with this bit.
  • bitmap bitmap
  • the first bitmap includes one or Multiple bits, one or more bits are one to one associated with one or more reference signal resources after the first start time; any one of the one or more bits is used to indicate whether the terminal is configured with Reference signal resource associated with this bit.
  • Each reference signal resource will correspond to the time frequency position of a reference signal resource. Therefore, one or more bits have a one-to-one correspondence with the time and frequency positions where one or more reference signal resources after the first start time are located. Therefore, one or more bits can be associated with one or more reference signal resources after the first start time.
  • the size of the number of bits included in the bitmap may be 1 bit, 2 bits, or multiple bits, and the size of the number of bits included in the bitmap may be configured in advance by RRC signaling. It should be understood that if a bitmap includes M bits information, the M bits respectively correspond to M consecutive reference signal resources after the first starting time indicated by the first signaling in order. M is an integer greater than or equal to 1. The corresponding relationship is: the leftmost bit of the bitmap corresponds to the first reference signal resource after the first start time (it may also be that the rightmost bit of the bitmap corresponds to the first reference signal resource after the first start time).
  • the value of each 1 bit indicates whether the reference signal resource is configured at the time-frequency position associated with the bit, or used to indicate whether the reference signal resource at the time-frequency position associated with the bit is available. For example, 0 means unavailable, and 1 means available.
  • each of the M consecutive reference signal resources described in the embodiments of the present application is actually a reference signal resource cluster (or “set”), including one or more references with different indexes Signal resources, and no two reference signal resources with the same index will appear in each reference signal resource cluster.
  • the C-DRX cycle used is 80 ms
  • the CSI-RS cycle used for mobility RRM measurement is configured as 20 ms as an example.
  • the bitmap size included in GTS signaling 5 is 2 bits.
  • the specific value of the bitmap may be 00, where the leftmost bit corresponds to the first CSI-RS resource unavailable after the first start time indicated by GTS signaling 5, or the leftmost bit is used to indicate the After a start time, the terminal does not configure the CSI-RS resource 1 associated with the leftmost bit.
  • the rightmost bit is used to indicate that the CSI-RS resource 2 associated with the rightmost bit is not configured for the terminal after the first start time.
  • the terminal may determine that both CSI-RS resource 1 and CSI-RS resource 2 after the first starting time indicated by GTS signaling 5 are unavailable according to the value of the bitmap.
  • CSI-RS resource 1 and CSI-RS resource 2 respectively include three CSI-RS resources with different indexes.
  • the first signaling explicit indication whether to configure the reference signal resource for the terminal after the first starting time can also be implemented in the following manner: the first signaling indicates the second time period.
  • the start time of the second time period is the second start time, and the first signaling is also used to indicate that the reference signal resource is not configured for the terminal within the second time period.
  • the method in the embodiment of the present application may also be used when the first signaling is used to indicate that there is no data scheduling in the first time period: at this time, the start time of the second time period and the time of the first time period
  • the starting time can be the same or different.
  • the length of the second time period may be less than, equal to or greater than the length of the first time period.
  • the first signaling is also specifically used to indicate the second starting time and duration, so that the terminal can determine the second time period according to the second starting time and duration.
  • the first signaling is also specifically used to indicate the second starting time and the second ending time, so that the terminal can determine the second time period according to the second starting time and the second ending time.
  • the adopted C-DRX period is 80 ms
  • the CSI-RS period configured for mobility RRM measurement is 20 ms.
  • the role of GTS signaling 6 in this embodiment is to indicate that there is no data scheduling after the first starting time specified by GTS signaling 6.
  • GTS signaling 6 also indicates a second time period during which the CSI-RS resources used for RRM measurement are unavailable (or described as the network device not configuring CSI-RS resources for the terminal within the second time period ). As shown in FIG.
  • GTS signaling 6 indicates a second time period of 40 ms, and the start time of the second time period (that is, the second start time) is the first start that GTS signaling 6 indicates that there is no data scheduling time.
  • the CSI-RS resource 3 and the CSI-RS resource 4 in the second time period are unavailable.
  • the first signaling may explicitly or implicitly indicate the starting moment of a time period.
  • the first signaling may explicitly or implicitly indicate the first start time, the second start time, and the third start time.
  • the first signaling may include the starting symbol of the first starting time T.
  • the first signaling may be used to indicate that the terminal successfully decodes the first signaling as the first starting time, or the first signaling may be used to indicate The time when the terminal sends feedback to the network that the downlink retransmission data has been successfully received is the first starting time.
  • the reference signal resources in the embodiments of the present application are all reference signal resources that the RRC layer configures to the terminal in advance through RRC signaling.
  • the first signaling explicit description in the embodiment of the present application indicates whether to configure the reference signal resource for the terminal within the first time period or after the first starting time, rather than additionally configuring a new reference signal resource, but targeting The time-frequency location where the reference signal resource that the terminal has been configured on describes whether the network device actually sends the reference signal. For example, when the first signaling explicitly indicates that the reference signal resource is configured for the terminal within the first time period, it means that the network device is actually at the time-frequency location where the reference signal resource that the terminal has been configured within the first time period is located. The reference signal resource is sent. When the first signaling explicitly indicates that the reference signal resource is not configured for the terminal within the first time period, it means that the network device has not actually transmitted the time-frequency location where the reference signal resource that the terminal has been configured within the first time period is located The reference signal resource.
  • the first signaling explicit indication described in the embodiment of the present application does not configure the reference signal resource for the terminal within the first time period or after the first starting time, and it can be understood that it is only directed to be indicated by the first signaling Of the terminal. That is, the network device instructs the terminal that the reference signal resource at the time-frequency location where the reference signal resource that the terminal has been configured is unavailable, then the instructed terminal is not available at the time-frequency location where the first signaling indicates that the reference signal resource is unavailable Perform RRM measurement. However, at the time-frequency position where the first signaling dominant indication is that the terminal is not configured with reference signal resources, the network device may actually still send the reference signal resources for the purpose of RRM measurement of other terminals.
  • the first signaling in the embodiment of the present application is used to determine whether the reference signal resource is configured for the terminal within the first time period can be implemented in the following manner: The first signaling is used for implicit indication Whether to configure reference signal resources for the terminal within the first time period. And/or, the first signaling is used to determine whether the terminal is configured with reference signal resources after the first starting time, including: the first signaling is used to implicitly indicate whether the terminal is configured with reference signal resources after the first starting time.
  • the first signaling implicitly indicates whether the reference signal resource is configured for the terminal within the first time period, including: the first signaling is used to indicate the first time period. In this way, when the terminal determines the first time period and determines that there is no data scheduling in the first time period, it can determine whether the reference signal resource is configured for the terminal within the first time period.
  • the first signaling may also indicate to the terminal to temporarily stop the timing of the DRX duration timer and the DRX inactive timer within the first time period.
  • the DRX duration timer and the DRX inactive timer stop counting at the third starting time of the first time period, and after the first cutoff time of the first time period, the DRX duration timer and the DRX inactive state
  • the timer restarts the timing (the initial value of the timer when the timer is restarted may be the initial value after the timer is reset, or the timing value when the timer is stopped at the third starting moment).
  • the first signaling implicitly indicates whether to configure the reference signal resource for the terminal within the first time period, or the first signaling is used to implicitly indicate whether the reference signal resource is configured for the terminal after the first start time. Determined based on negotiation between the terminal and the network device, or according to predefined rules. For example, the terminal and the network device negotiate to determine that if there is no data scheduling in the first time period, the terminal determines to configure the reference signal resource for the terminal in the first time period. Alternatively, the terminal and the network device negotiate to determine that if there is no data scheduling in the first time period, the terminal determines that the reference signal resource is not configured for the terminal in the first time period.
  • the terminal and the network device negotiate to determine to configure the reference signal resource for the terminal after the first start time.
  • the terminal and the network device negotiate to determine that no reference signal resource is configured for the terminal after the first starting time.
  • the reference signal resources in the embodiments of the present application are all reference signal resources that the RRC layer configures to the terminal in advance through RRC signaling.
  • the first signaling described in the embodiment of the present application implicitly indicates whether to configure the reference signal resource for the terminal within the first time period or after the first start time, rather than additionally configuring a new reference signal resource, but for The time-frequency location where the reference signal resource that has been configured by the terminal describes whether the network device actually sends the reference signal resource.
  • the first signaling implicitly indicates that the reference signal resource is configured for the terminal within the first time period it means that the network device is actually at the time-frequency position where the reference signal resource that the terminal has been configured within the first time period is located.
  • the reference signal resource is sent.
  • the first signaling implicitly indicates that no reference signal resource is configured for the terminal within the first time period it means that the network device has not actually sent a time-frequency location where the reference signal resource that the terminal has been configured within the first time period is located The reference signal resource.
  • the implicit indication of the first signaling described in the embodiments of the present application does not configure the reference signal resource for the terminal within the first time period or after the first starting time, and it can be understood that it is only directed to be indicated by the first signaling Of the terminal. That is, the network device instructs the terminal that the reference signal resource at the time-frequency location where the reference signal resource that the terminal has been configured is unavailable, then the instructed terminal is not available at the time-frequency location where the first signaling indicates that the reference signal resource is unavailable Perform RRM measurement. However, at a time-frequency position where the first signaling implicitly indicates that a reference signal resource is not configured for a certain terminal, the network device may actually still send the reference signal resource for the purpose of RRM measurement of other terminals.
  • the first signaling implicitly indicates whether to configure the reference signal resource for the terminal after the first starting time, including: the first signaling is used to indicate that the DRX duration timer is stopped at the first starting time and DRX inactive timer. It should be understood that if the first signaling indicates that there is no data scheduling after the first starting time, and the first starting time is indicated to stop the DRX duration timer and the DRX inactive timer at the same time, the terminal may determine Whether to configure reference signal resources for the terminal after a start time.
  • the adopted C-DRX period is 160 ms
  • the CSI-RS period used for mobility RRM measurement is configured to be 20 ms.
  • the role of GTS signaling 7 is to indicate that there is no data scheduling in time period 5.
  • the terminal and the network device may negotiate an agreement or the terminal determines that the CSI-RS is normally configured for the terminal in the time period 5 according to a predefined rule Resources (or the terminal and the network device may negotiate an agreement or the terminal determines that the terminal has not been configured with CSI-RS resources in the time period 5 according to a predefined rule).
  • FIG. 10 it is taken as an example that the terminal and the network device may negotiate an agreement or the terminal determines that the CSI-RS resource is normally configured for the terminal within the time period 5 according to a predefined rule.
  • the role of GTS signaling 8 is to indicate that there is no data scheduling after the first starting time specified by GTS signaling 8.
  • the GTS signaling 8 indicates to the terminal to simultaneously stop the DRX-onDurationTimer and DRX-InactivityTimer at the first start time. That is, the GTS signaling 8 will update the DRX state. If there is no other reason to keep the terminal in the DRX-Active state, the terminal will update from the DRX-Active state to the DRX-non-Active state. Then, according to the provisions of the existing protocol, it is determined whether the CSI-RS resources originally used during the natural timing of the DRX-InactivityTimer are available. For example, in FIG.
  • the terminal does not expect the CSI-RS resource 5 to be available, that is, the network device may not configure the CSI-RS resource 5 for the terminal after the first start time to the natural timing of the DRX-InactivityTimer.
  • step 104 in the embodiment of the present application may specifically be implemented in the following manner: when the first signaling indicates that the reference signal resource is configured for the terminal within the first time period, the terminal determines that the first time Whether mobile radio resource management measurements need to be performed within the segment. When the first signaling indicates that the reference signal resource is not configured for the terminal within the first time period, the terminal enters the sleep state, and the mobility radio resource management measurement is not performed within the first time period.
  • the terminal may determine whether it is necessary to perform mobility radio resource management measurement according to the terminal implementation. If the terminal determines that the network device does not configure the reference signal resource for the terminal within the first time period, the terminal may explicitly enter the sleep state within the first time period to save power consumption of the terminal.
  • the terminal when the reference signal received power (Reference Signal Receiving Power, RSRP) of the reference signal resource measured by the terminal is lower than the preset threshold, the frequency measured by the terminal is higher, or the terminal detects that its movement speed is higher than the preset speed threshold When the terminal decides to perform RRM measurement, or when the accuracy of the terminal's one-time measurement is not enough, the terminal will measure more times.
  • RSRP Reference Signal Receiving Power
  • the terminal determines that it does not need to perform mobility radio resource management measurement.
  • step 105 in the embodiment of the present application may be specifically implemented in the following manner: when the first signaling indicates that the reference signal resource is configured for the terminal after the first start time, the terminal determines that the first start Whether the mobile radio resource management measurement needs to be performed at the time-frequency location where the reference signal resource is configured for the terminal after the time. When the first signaling indicates that no reference signal resource is configured for the terminal after the first start time, the terminal enters a sleep state, and no movement is performed at the time and frequency position where the first signaling indicates that the terminal does not configure the reference signal resource Radio resource management measurement.
  • the terminal determines that the reference signal resource is not configured for the terminal after the first start time, the terminal enters a sleep state, and it is clear that no mobility radio resource management measurement is performed at a time-frequency location where the reference signal resource is not configured for the terminal In this way, the terminal can enter the sleep state in advance during the DRX-active state according to the first signaling, thereby saving power consumption of the terminal.
  • each network element such as a terminal, a network device, etc.
  • each network element includes a hardware structure and/or a software module corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driven hardware depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.
  • the embodiments of the present application may divide the functional units according to the above method example terminal and network device, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above integrated unit can be implemented in the form of hardware or software function unit. It should be noted that the division of the units in the embodiments of the present application is schematic, and is only a division of logical functions. In actual implementation, there may be another division manner.
  • FIG. 11 shows a resource indicating device involved in the above embodiment.
  • the resource indicating device may include: a transceiver unit 101 and a processing unit 102.
  • the transceiver unit 101 is used to support the resource indicating device to perform step 103 executed by the terminal in the foregoing embodiment.
  • the processing unit 102 is configured to support the resource instructing device to perform steps 104 and 105 performed by the terminal in the foregoing embodiment.
  • the processing unit 102 may be a processor, and the transceiver unit 101 may be a transceiver.
  • the processing unit 102 may be a processor, and the transceiver unit 101 may be a communication interface of the chip in the terminal, such as an input/output interface, a pin, or a circuit Wait.
  • FIG. 12 shows a schematic diagram of a possible logical structure of the resource indication device involved in the foregoing embodiment.
  • the resource indicating device includes: a processing module 112 and a communication module 113.
  • the processing module 112 is used to control and manage the operation of the resource indicating device.
  • the processing module 112 is used to execute information/data processing steps in the resource indicating device.
  • the communication module 113 is used to support the resource instruction device to perform the steps of information/data transmission or reception.
  • the resource indicating device may further include a storage module 111 for storing program codes and data of the resource indicating device.
  • the communication module 113 is used to support the resource indication device to perform step 103 in the foregoing embodiment.
  • the processing module 112 is configured to support the resource indicating device to perform step 104 and step 105 in the foregoing embodiment.
  • the processing module 112 may be a processor or a controller, for example, it may be a central processor unit, a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic devices, transistor logic devices, Hardware components or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication module 113 may be a transceiver, a transceiver circuit, a communication interface, or the like.
  • the storage module 111 may be a memory.
  • the indicating device may be the communication device shown in FIG. 4.
  • the memory 42, the processor 41 or the processor 45, and the transceiver 43 are connected to each other through a communication line 44.
  • the transceiver 43 is used to support the communication device to perform step 103 in the foregoing embodiment.
  • the processor 41 or the processor 45 is used to support the communication device to perform step 104 and step 105 in the foregoing embodiment.
  • the communication module 113 may be a communication interface, such as an input/output interface, a pin, or a circuit.
  • the processing module 112 may be a processor.
  • the storage module 111 may be a storage unit (eg, register, cache, etc.) within the chip.
  • the communication interface is used to support the chip in the terminal to perform step 103 in the above embodiment.
  • the processor is used to support the chip in the terminal to perform step 104 and step 105 in the foregoing embodiment.
  • FIG. 13 shows a resource indication device involved in the foregoing embodiment.
  • the resource indication device may include: a processing unit 201 and a transceiver unit 202.
  • the processing unit 201 is used to support the resource indication device to perform step 101 performed by the network device in the foregoing embodiment.
  • the transceiver unit 202 is configured to support the resource instruction device to perform step 102 performed by the network device in the foregoing embodiment.
  • the processing unit 201 may be a processor, and the transceiver unit 202 may be a transceiver of the network device.
  • the processing unit 201 may be a processor, and the transceiving unit 202 may be a communication interface of the chip in the network device, such as an input/output interface, a tube Feet or circuits, etc.
  • FIG. 14 shows a schematic diagram of a possible logical structure of the resource indicating device involved in the above embodiment.
  • the resource indicating device is a network device or a chip applied in the network device.
  • the resource indicating device includes: a processing module 212 and a communication module 213.
  • the processing module 212 is used to control and manage the operation of the resource indicating device.
  • the processing module 212 is used to execute information/data processing steps in the resource indicating device.
  • the communication module 213 is used to support the resource instruction device to perform the steps of information/data transmission or reception.
  • the resource indicating device may further include a storage module 211 for storing program codes and data of the resource indicating device.
  • the communication module 213 is used to support the resource instruction device to perform step 102 in the above embodiment.
  • the processing module 212 is configured to support the resource indication device to perform step 101 in the foregoing embodiment.
  • the processing module 212 may be a processor or a controller, for example, it may be a central processor unit, a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic devices, transistor logic devices, Hardware components or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the present disclosure.
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a digital signal processor and a microprocessor, and so on.
  • the communication module 213 may be a transceiver, a transceiver circuit, a communication interface, or the like.
  • the storage module 211 may be a memory.
  • the resource indicating device may be the communication device shown in FIG. 4.
  • the memory 42, the processor 41 or the processor 45 and the transceiver 43 are connected to each other through a communication line 44.
  • the transceiver 43 is used to support the communication device to perform step 102 in the foregoing embodiment.
  • the processor 41 or the processor 45 is configured to support the communication device to execute step 101 in the foregoing embodiment.
  • the communication module 213 may be a communication interface, such as an input/output interface, a pin, or a circuit.
  • the processing module 212 may be a processor.
  • the storage module 211 may be a storage unit (eg, register, cache, etc.) within the chip.
  • the communication interface is used to support the chip in the network device to execute step 102 in the above embodiment.
  • the processor is used to support the chip in the network device to execute step 101 in the above embodiment.
  • the chip 150 is a schematic structural diagram of a chip 150 provided by an embodiment of the present application.
  • the chip 150 includes one or more (including two) processors 1510 and a communication interface 1530.
  • the chip 150 further includes a memory 1540.
  • the memory 1540 may include a read-only memory and a random access memory, and provide operation instructions and data to the processor 1510.
  • a portion of the memory 1540 may also include non-volatile random access memory (non-volatile random access memory, NVRAM).
  • the memory 1540 stores the following elements, execution modules or data structures, or their subsets, or their extension sets.
  • the corresponding operation is performed by calling the operation instruction stored in the memory 1540 (the operation instruction may be stored in the operating system).
  • the structure of the chips used by the terminal and the network equipment is similar, and different devices may use different chips to achieve their respective functions.
  • the processor 1510 controls the processing operations of any one of the terminal and the network device.
  • the processor 1510 may also be called a central processing unit (CPU).
  • the memory 1540 may include read-only memory and random access memory, and provide instructions and data to the processor 1510.
  • a portion of the memory 1540 may also include non-volatile random access memory (non-volatile random access memory, NVRAM).
  • NVRAM non-volatile random access memory
  • the memory 1540, the communication interface 1530, and the memory 1540 are coupled together through a bus system 1520, where the bus system 1520 may include a power bus, a control bus, and a status signal bus in addition to a data bus.
  • various buses are marked as the bus system 1520 in FIG. 15.
  • the method disclosed in the above embodiments of the present application may be applied to the processor 1510 or implemented by the processor 1510.
  • the processor 1510 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method may be completed by an integrated logic circuit of hardware in the processor 1510 or an instruction in the form of software.
  • the aforementioned processor 1510 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA) or Other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field-programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory 1540.
  • the processor 1510 reads the information in the memory 1540 and completes the steps of the above method in combination with its hardware.
  • the communication interface 1530 is used to perform the steps of receiving and sending the terminal and the network device in the embodiment shown in FIG. 6.
  • the processor 1510 is used to execute the steps of the processing of the terminal and the network device in the embodiment shown in FIG. 6.
  • the above transceiver unit may be an interface circuit or a communication interface of the device, which is used to receive signals from other devices.
  • the transceiver unit is an interface circuit or a communication interface used by the chip to receive signals from or send signals to other chips or devices.
  • the instructions stored in the memory for execution by the processor may be implemented in the form of computer program products.
  • the computer program product may be written in the memory in advance, or may be downloaded and installed in the memory in the form of software.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • Computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • computer instructions can be transmitted from a website site, computer, server, or data center via wire (e.g. Coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website, computer, server or data center.
  • wire e.g. Coaxial cable, optical fiber, digital subscriber line (DSL)
  • wireless such as infrared, wireless, microwave, etc.
  • the computer-readable storage medium may be any available medium that can be stored by a computer or a data storage device including one or more available media integrated servers, data centers, and the like.
  • the available media may be magnetic media (eg, floppy disk, hard disk, magnetic tape), optical media (eg, DVD), or semiconductor media (eg, solid state disk, SSD), and so on.
  • a computer-readable storage medium in which instructions are stored in the computer-readable storage medium, and when the instructions are executed, the terminal or the chip applied in the terminal executes steps 103, 104, and 105 in the embodiment .
  • a computer-readable storage medium in which instructions are stored in the computer-readable storage medium, and when the instructions are executed, the network device or the chip applied in the network device executes steps 101 and 102 in the embodiment .
  • the foregoing readable storage medium may include various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
  • a computer program product including instructions is provided.
  • the computer program product stores instructions, and when the instructions are executed, the terminal or the chip applied in the terminal performs steps 103, 104, and 105 in the embodiment.
  • a computer program product including instructions is provided.
  • the computer program product stores instructions.
  • the network device or the chip applied in the network device executes steps 101 and 102 in the embodiment.
  • a chip is provided.
  • the chip is applied in a terminal.
  • the chip includes at least one processor and a communication interface.
  • the communication interface is coupled to at least one processor.
  • the processor is used to execute instructions to perform step 103 and step in the embodiment. 104, step 105.
  • a chip is provided.
  • the chip is applied to a network device.
  • the chip includes at least one processor and a communication interface.
  • the communication interface is coupled to at least one processor.
  • the processor is used to execute instructions to perform step 101 in the embodiment. ⁇ 102 ⁇ Step 102.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • Computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website, computer, server, or data center via a wired (e.g.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers and data centers that can be integrated with the medium.
  • the usable media may be magnetic media (for example, floppy disk, hard disk, magnetic tape), optical media (for example, DVD), or semiconductor media (for example, solid state disk (SSD)) and the like.

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

Abstract

Les modes de réalisation de la présente invention concernent un procédé et un dispositif d'indication de ressources qui relèvent du domaine technique des communications et sont utilisés pour réduire la consommation de puissance d'un terminal. Le procédé consiste à : acquérir des informations de commande de liaison descendante, les informations de commande de liaison descendante contenant une première signalisation ; lorsque la première signalisation est utilisée pour indiquer l'absence de programmation de données pendant une première période de temps et pour déterminer si des ressources de signaux de référence sont configurées pour le terminal pendant la première période de temps, traiter le comportement du terminal pendant la première période de temps en fonction de la première signalisation ; et/ou lorsque la première signalisation est utilisée pour indiquer l'absence de programmation de données après un premier moment de démarrage et pour déterminer si des ressources de signaux de référence sont configurées pour le terminal après le premier moment de démarrage, traiter le comportement du terminal après le premier moment de démarrage en fonction de la première signalisation.
PCT/CN2020/071243 2019-01-10 2020-01-09 Procédé et dispositif d'indication de ressources WO2020143722A1 (fr)

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