WO2020048457A1 - Procédé et dispositif de communication - Google Patents

Procédé et dispositif de communication Download PDF

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Publication number
WO2020048457A1
WO2020048457A1 PCT/CN2019/104233 CN2019104233W WO2020048457A1 WO 2020048457 A1 WO2020048457 A1 WO 2020048457A1 CN 2019104233 W CN2019104233 W CN 2019104233W WO 2020048457 A1 WO2020048457 A1 WO 2020048457A1
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WO
WIPO (PCT)
Prior art keywords
drx
terminal device
parameter set
configuration parameter
drx cycle
Prior art date
Application number
PCT/CN2019/104233
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English (en)
Chinese (zh)
Inventor
谢曦
冯淑兰
常俊仁
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2020048457A1 publication Critical patent/WO2020048457A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • 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
    • 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
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • 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 DRX cycle configuration includes two time periods.
  • the time period marked “OnDuration” is the time when the terminal device monitors the PDCCH and the terminal device is in the awake state;
  • the time period marked "Opportunity for DRX” is the DRX sleep time, that is, the When the power is not monitored, the terminal device is in a sleep state.
  • the terminal device before the terminal device receives the GTS signal within the first DRX cycle, the terminal device receives an RRC reconfiguration message, and the RRC reconfiguration message includes at least one scaling factor; the terminal The device determines a value of the parameter in the second DRX configuration parameter set according to a correspondence between the parameter in the first DRX configuration parameter set and the at least one scaling factor.
  • the same scaling factor can be set for different parameters, and different scaling factors can be set for different parameters.
  • the network device may first send an RRC reconfiguration message, where the RRC reconfiguration message includes at least one DRX configuration parameter set, and then sends a GTS signal in the first DRX cycle with a small traffic to indicate the terminal device
  • Different DRX configuration parameter sets are used for the primary cell and the secondary cell for DRX operation.
  • the terminal device uses a DRX parameter configuration different from that of the primary cell on the secondary cell, such as shortening the length of the DRX duration timer on the secondary cell. Necessary overhead.
  • the structure of the terminal device includes a processor, and the processor is configured to support the terminal device to perform a corresponding function in the method of the first aspect or the second aspect.
  • the terminal device may further include a memory, which is used for coupling with the processor, and stores program instructions and data necessary for the terminal device.
  • the terminal device may further include a communication interface, and the communication interface is used to send or receive information and the like.
  • a structure of the network device includes a processor, and the processor is configured to support the network device to perform a corresponding function in the method of the third aspect or the fourth aspect.
  • the network device may further include a memory for coupling with the processor, which stores program instructions and data necessary for the network device.
  • the network device may further include a communication interface, which is used to send or receive information and the like.
  • an embodiment of the present application provides a communication device.
  • the communication device may be, for example, a chip.
  • the communication device may be provided in a terminal device.
  • the communication device includes a processor and an interface.
  • the processor is configured to support the communication device to perform a corresponding function in the method of the first aspect or the second aspect.
  • the interface is used to support communication between the communication device and other communication devices or other network elements.
  • the communication device may further include a memory for coupling with the processor, which stores program instructions and data necessary for the communication device.
  • FIG. 3 is a schematic diagram of a CA type provided by an embodiment of the present application.
  • FIG. 13 is a flowchart of another communication method according to an embodiment of the present application.
  • the embodiment of the present invention also relates to a network device.
  • the network device may be a device for communicating with the terminal device, for example, it may be a base station (Base Transceiver Station, BTS) in the GSM system or CDMA, or a base station (NodeB, NB) in the WCDMA system, or it may be Evolutionary NodeB (eNB or eNodeB) in the LTE system, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a network-side device in a future 5G network or a network after 5G or Network equipment in future evolved PLMN networks.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • eNB Evolutionary NodeB
  • LTE Long Term Evolutionary NodeB
  • the primary cell PCell is a cell where the terminal device performs initial connection establishment, or a cell where RRC connection is reestablished, or a primary cell designated during the handover process.
  • PCell is responsible for RRC communication with the terminal equipment.
  • the CC corresponding to PCell is called PCC; the secondary cell SCell is added through RRC connection reconfiguration after the initial security activation process, and is used to provide additional wireless resources.
  • the CC corresponding to the SCell is called an SCC.
  • FIG. 4 is a schematic diagram of a general processing method of a terminal device when a GTS signal is transmitted before OnDuration.
  • the network device can send a GTS signal before the arrival of an OnDuration, and then the forthcoming of the terminal device on PCell and SCell OnDuration will transition to sleep without waking the end device.
  • the next DRX cycle arrives, the DRX operation of the terminal device in PCell and SCell returns to normal.
  • FIG. 7 is an architecture diagram of an LTE system according to an embodiment of the present application.
  • the embodiments of the present application can also be applied to the CA scenario of the LTE system.
  • the base stations (evolved node B, eNB) of PCell and SCell provide the user equipment and control plane protocol functions of the LTE wireless access network (evolved terrestrial radio access, E-UTRA) for terminal equipment.
  • E-UTRA evolved terrestrial radio access
  • FIG. 9 is a flowchart of a communication method according to an embodiment of the present application.
  • the method may be based on a 5G system architecture or an LTE system architecture.
  • the method is executed by a terminal device.
  • the method mainly includes the following processing procedures.
  • Step 901 The terminal device receives a GTS signal within a first DRX cycle.
  • the above differences include two cases that are greater or less than one, that is, one case is that the length of the DRX duration timer in the first DRX configuration parameter set is greater than the DRX in the second DRX configuration parameter set The length of the duration timer; in another case, the length of the DRX duration timer in the first DRX configuration parameter set is smaller than the length of the DRX duration timer in the second DRX configuration parameter set.
  • the terminal device after the terminal device receives the GTS signal within the first DRX cycle, the terminal device responds to the GTS signal and is Nth to Nth after the first DRX cycle. + M DRX cycles, switch the first part of the bandwidth (BWP) on the secondary cell to the second BWP; or, within Tms, switch the first BWP on the secondary cell to the second BWP;
  • the bandwidth width of the first BWP is greater than the bandwidth width of the second BWP.
  • the second BWP is an initial BWP or a default BWP.
  • power consumption of a terminal device is further saved by adjusting a bandwidth of a secondary cell.
  • the terminal device before the terminal device receives the GTS signal in the first DRX cycle, the terminal device receives an RRC reconfiguration message, where the RRC reconfiguration message includes the second DRX configuration parameter set and A cell identifier of a secondary cell corresponding to the second DRX configuration parameter set.
  • the RRC reconfiguration message includes the second DRX configuration parameter set and A cell identifier of a secondary cell corresponding to the second DRX configuration parameter set.
  • different DRX configuration parameter sets can be configured for different secondary cells.
  • step 1203 the gNB sends a GTS signal to the UE.
  • the application cycle time of the specific DRX parameter configuration on the SCell is updated.
  • step 1206 and step 1207 are optional steps.
  • the terminal device after receiving the GTS signal, deactivates the secondary cell to enter a deactivated state or enters a sleep state for the secondary cell.
  • This operation can reduce the PDCCH monitoring of the terminal device on the secondary cell and reduce the power consumption of the terminal device.
  • the terminal device performs service transmission only through the primary cell, thereby avoiding unnecessary overhead on the secondary cell.
  • FIG. 16 is a schematic block diagram of a terminal device 1600 according to an embodiment of the present invention.
  • the terminal device 1600 includes:
  • a transceiver module 1610 configured to receive a GTS signal in a first DRX cycle
  • the processing module 1620 is configured to perform a DRX operation on the secondary cell by using the second configuration parameter set, including:
  • the transceiver module 1610 is further configured to receive an RRC reconfiguration message before the transceiver module 1610 receives a GTS signal within a first DRX cycle, where the RRC reconfiguration message includes the A second DRX configuration parameter set and a cell identifier of a secondary cell corresponding to the second DRX configuration parameter set.
  • the transceiver module 1610 is further configured to: after the transceiver module 1610 receives a GTS signal in a first DRX cycle, receive in a second DRX cycle after the first DRX cycle GTS signal;
  • an embodiment of the present invention further provides a terminal device 1700.
  • the terminal device 1700 includes a processor 1710, a memory 1720, and a transceiver 1730.
  • the memory 1720 stores instructions or programs
  • the processor 1710 is configured to execute Instructions or programs stored in the memory 1720.
  • the processor 1710 is configured to perform operations performed by the processing module 1620 in the foregoing embodiment
  • the transceiver 1730 is configured to perform operations performed by the transmission and reception module 1610 in the foregoing embodiment.
  • the terminal device 1600 or the terminal device 1700 may correspond to the terminal device in the communication method corresponding to FIG. 1, FIG. 2, FIG. 4, FIG. 5, and FIG. 9 to FIG.
  • the operations and / or functions of each module in the terminal device 1600 or the terminal device 1700 are to implement the corresponding processes of the methods in FIG. 1, FIG. 2, FIG. 4, FIG. 5, and FIG. 9 to FIG. 15, respectively. This will not be repeated here.
  • the length of the DRX duration timer in the first DRX configuration parameter set is different from the length of the DRX duration timer in the second DRX configuration parameter set.
  • an embodiment of the present invention further provides a network device 1900.
  • the network device 1900 includes a processor 1910, a memory 1920, and a transceiver 1930.
  • the memory 1920 stores instructions or programs
  • the processor 1910 is configured to execute Instructions or programs stored in the memory 1920.
  • the processor 1910 is configured to perform operations performed by the processing module 1820 in the foregoing embodiment
  • the transceiver 1930 is configured to perform operations performed by the transceiver module 1810 in the foregoing embodiment.
  • a transceiver module configured to receive a GTS signal in a first DRX cycle
  • the secondary cell is deactivated to enter a deactivated state or enter a sleep state for the secondary cell.
  • This operation can reduce the PDCCH monitoring of the terminal device on the secondary cell and reduce the power consumption of the terminal device.
  • the terminal device performs service transmission only through the primary cell, thereby avoiding unnecessary overhead on the secondary cell.
  • the value of N, the value of M, the value of T, the value of K, the value of X, the value of F, the value of Y, the value of P, the value of Z, At least one of the value of Q, the value of D, and the first DRX configuration parameter set may also be a preset value, and does not necessarily have to be configured through an RRC message.
  • a device used to implement the receiving function in the transceiver unit 2010 may be regarded as a receiving unit, and a device used to implement the transmitting function in the transceiver unit 2010 may be regarded as a transmitting unit, that is, the transceiver unit 2010 includes a receiving unit and a transmitting unit.
  • the transceiver unit may also be called a transceiver, a transceiver, or a transceiver circuit.
  • the receiving unit may also be called a receiver, a receiver, or a receiving circuit.
  • the transmitting unit may also be called a transmitter, a transmitter, or a transmitting circuit.
  • the transceiver unit 2010 is configured to perform the receiving operations on the terminal device side in steps 1201, 1203, and 1206 in FIG. 12 or the transmitting operations on the terminal device side in step 1202, and / or the transmitting and receiving
  • the unit 2010 is further configured to perform other sending and receiving steps on the terminal device side in the embodiments of the present application.
  • the processing unit 2020 is configured to perform step 1204, step 1205, step 1207, and step 1208 in FIG. 12, and / or the processing unit 2020 is further configured to perform other processing steps on the terminal device side in the embodiment of the present application.
  • a computer program product containing instructions is provided, and when the instructions are executed, the method on the terminal device side in the foregoing method embodiment is executed.
  • processors mentioned in the embodiment of the present invention may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSPs), and application-specific integrated circuits (DSPs).
  • DSPs digital signal processors
  • DSPs application-specific integrated circuits
  • ASIC Application Specific Integrated Circuit
  • FPGA off-the-shelf Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • memory described herein is intended to include, but is not limited to, these and any other suitable types of memory.

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

Abstract

La présente invention concerne un procédé et un dispositif de communication. Le procédé de communication comprend les étapes suivantes : un dispositif terminal reçoit un signal de mise en veille (GTS) dans une première période de réception discontinue (DRX), et en réponse au signal GTS, effectue une opération DRX sur une cellule primaire à l'aide d'un premier ensemble de paramètres de configuration et effectue une opération DRX sur une cellule secondaire à l'aide d'un second ensemble de paramètres de configuration, la longueur d'un temporisateur de durée DRX dans le premier ensemble de paramètres de configuration DRX étant différente de la longueur d'un temporisateur de durée DRX dans le second ensemble de paramètres de configuration DRX. Par conséquent, selon la présente invention, la consommation d'énergie du dispositif terminal peut être encore réduite en vertu du principe de garantir que des données peuvent être efficacement transmises.
PCT/CN2019/104233 2018-09-05 2019-09-03 Procédé et dispositif de communication WO2020048457A1 (fr)

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CN201811033282.XA CN110881208B (zh) 2018-09-05 2018-09-05 一种通信方法及设备
CN201811033282.X 2018-09-05

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EP4132209A4 (fr) * 2020-04-10 2023-09-27 Huawei Technologies Co., Ltd. Procédé et appareil de commande de drx

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