WO2019095213A1 - 无线通信的方法和终端设备 - Google Patents

无线通信的方法和终端设备 Download PDF

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Publication number
WO2019095213A1
WO2019095213A1 PCT/CN2017/111371 CN2017111371W WO2019095213A1 WO 2019095213 A1 WO2019095213 A1 WO 2019095213A1 CN 2017111371 W CN2017111371 W CN 2017111371W WO 2019095213 A1 WO2019095213 A1 WO 2019095213A1
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WO
WIPO (PCT)
Prior art keywords
time
terminal device
pusch
retransmissions
maximum number
Prior art date
Application number
PCT/CN2017/111371
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English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
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
Priority to AU2017439706A priority Critical patent/AU2017439706A1/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to KR1020207017120A priority patent/KR20200084039A/ko
Priority to CN201780095596.XA priority patent/CN111183692A/zh
Priority to PCT/CN2017/111371 priority patent/WO2019095213A1/zh
Priority to JP2020527085A priority patent/JP7086188B2/ja
Priority to RU2020119819A priority patent/RU2752239C1/ru
Priority to BR112020009744-6A priority patent/BR112020009744A2/pt
Priority to CA3082915A priority patent/CA3082915A1/en
Priority to CN202010388443.8A priority patent/CN111669829B/zh
Priority to EP17931938.9A priority patent/EP3731578B1/en
Priority to TW107140907A priority patent/TWI775986B/zh
Publication of WO2019095213A1 publication Critical patent/WO2019095213A1/zh
Priority to US16/877,038 priority patent/US11382088B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1848—Time-out mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • 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 present application relates to the field of communications, and more particularly to a method and terminal device for wireless communication.
  • the Hybrid Automatic Repeat Request Round Trip Time (HARQ RTT) timer is for each Hybrid Automatic Repeat Request (Hybrid Automatic Repeat Request).
  • the HARQ process defines that an upstream HARQ RTT timer is maintained for each asynchronous HARQ process.
  • the function of the timer is that the terminal device does not need to listen to the physical downlink control channel (PDCCH) for the asynchronous HARQ process within the duration of the timer.
  • PDCCH physical downlink control channel
  • the start timing of the uplink HARQ RTT timer needs to consider the retransmission of the Physical Uplink Shared Channel (PUSCH) ( Repetition) to meet the requirements of power saving.
  • PUSCH Physical Uplink Shared Channel
  • the embodiment of the present application provides a method and a terminal device for wireless communication, and the terminal device can flexibly start the HARQ RTT timer, thereby achieving the purpose of power saving.
  • an embodiment of the present application provides a method for wireless communication, including:
  • the terminal device listens to the downlink control channel PDCCH in the discontinuous reception DRX period, where the PDCCH carries an uplink grant, where the uplink grant indicates an asynchronous hybrid automatic repeat request HARQ process for transmitting the uplink shared channel PUSCH;
  • the terminal device After detecting the PDCCH, the terminal device starts an uplink HARQ cycle time RTT timer for the asynchronous HARQ process at the first moment.
  • the terminal device after detecting the PDCCH indicating the uplink asynchronous HARQ process, the terminal device starts the uplink HARQ RTT timer for the asynchronous HARQ process at the first moment, so that the terminal device is Upstream HARQ RTT timer starts The PDCCH is not monitored during the period, and thus, the purpose of power saving is achieved.
  • the method further includes:
  • the terminal device When performing the nth transmission of the PUSCH, the terminal device receives the termination retransmission message fed back by the network device, where n is a positive integer less than or equal to k, k is the maximum number of retransmissions, and k is greater than or equal to 1. Integer
  • the terminal device determines that the first time is the time at which the PUSCH is transmitted for the nth time.
  • the terminal device After receiving the termination retransmission message fed back by the network device, the terminal device indicates that the network device has successfully received the PUSCH, and the retransmission may be ended without waiting for the maximum number of retransmissions.
  • the terminal device may start an uplink HARQ RTT timer for the asynchronous HARQ process when receiving the terminating retransmission message, so that the terminal device may end monitoring the PDCCH in advance, and further To achieve the purpose of saving electricity.
  • the terminating retransmission message is dynamic scheduling information indicated by the PDCCH, or the terminating retransmission message is an acknowledgement frame ACK or a non-acknowledgement frame NACK indicated by the PDCCH.
  • the first time is a time when the PUSCH is transmitted for the first time.
  • the uplink HARQ RTT timer is started at the time of transmitting the PUSCH for the first time, so that the terminal device does not need to monitor the PDCCH during the startup of the uplink HARQ RTT timer, and further, saves the province.
  • the purpose of electricity is not limited to electricity.
  • the first transmission PUSCH is the first time in the k times retransmission PUSCH, where k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1. .
  • the first time is a time when the PUSCH is transmitted for the kth time, k is a maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the maximum number of retransmissions is configured by the network device for the asynchronous HARQ process.
  • the maximum number of retransmissions is pre-configured for the asynchronous HARQ process.
  • the embodiment of the present application provides a method for wireless communication, including:
  • the terminal device determines that the current time has an uplink authorization, and the uplink authorization indication is used to transmit the uplink total
  • the terminal device initiates an uplink HARQ cycle time RTT timer for the asynchronous HARQ process at the first moment.
  • the terminal device after determining that the uplink grant indicating the uplink asynchronous HARQ process exists, the terminal device starts the uplink HARQ RTT timer for the asynchronous HARQ process at the first moment, so that the terminal device is The PDCCH is not monitored during the uplink HARQ RTT timer, and the power saving is achieved.
  • the method further includes:
  • the terminal device When performing the nth transmission of the PUSCH, the terminal device receives the termination retransmission message fed back by the network device, where n is a positive integer less than or equal to k, k is the maximum number of retransmissions, and k is greater than or equal to 1. Integer
  • the terminal device determines that the first time is the time at which the PUSCH is transmitted for the nth time.
  • the terminal device After receiving the termination retransmission message fed back by the network device, the terminal device indicates that the network device has successfully received the PUSCH, and the retransmission may be ended without waiting for the maximum number of retransmissions.
  • the terminal device may start an uplink HARQ RTT timer for the asynchronous HARQ process when receiving the terminating retransmission message, so that the terminal device may end monitoring the PDCCH in advance, and further To achieve the purpose of saving electricity.
  • the terminating retransmission message is dynamic scheduling information indicated by the PDCCH, or the terminating retransmission message is an acknowledgement frame ACK or a non-acknowledgement frame NACK indicated by the PDCCH.
  • the first time is a time when the PUSCH is transmitted for the first time.
  • the uplink HARQ RTT timer is started at the time of transmitting the PUSCH for the first time, so that the terminal device does not need to monitor the PDCCH during the startup of the uplink HARQ RTT timer, and further, saves the province.
  • the purpose of electricity is not limited to electricity.
  • the first transmission PUSCH is the first time in the k times of retransmission PUSCH, where k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1. .
  • the first time is a time when the PUSCH is transmitted for the kth time
  • k is a maximum number of retransmissions
  • k is a positive integer greater than or equal to 1.
  • the maximum number of retransmissions is configured by the network device for the asynchronous HARQ process.
  • the maximum number of retransmissions is pre-configured for the asynchronous HARQ process.
  • the embodiment of the present application provides a terminal device, which can execute the module or unit of the method in the first aspect or any optional implementation manner of the first aspect.
  • the embodiment of the present application provides a terminal device, which can execute the module or unit of the method in the second aspect or any alternative implementation manner of the second aspect.
  • a terminal device comprising a processor, a memory, and a communication interface.
  • the processor is coupled to the memory and communication interface.
  • the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of the first aspect or any of the possible implementations of the first aspect.
  • a terminal device comprising a processor, a memory, and a communication interface.
  • the processor is coupled to the memory and communication interface.
  • the memory is for storing instructions for the processor to execute, and the communication interface is for communicating with other network elements under the control of the processor.
  • the processor executes the instructions stored by the memory, the execution causes the processor to perform the method of any of the possible implementations of the second aspect or the second aspect.
  • a computer storage medium storing program code for instructing a computer to perform the method of any of the first aspect or the first aspect of the first aspect. instruction.
  • a computer storage medium storing program code for instructing a computer to perform the method in any one of the possible implementation manners of the second aspect or the second aspect instruction.
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the methods described in the various aspects above.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for wireless communication according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of another method of wireless communication according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of another terminal device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of an apparatus for wireless communication provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a system chip according to an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • Time Division Duplex Time Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device in the embodiment of the present application may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless device.
  • Communication device user agent or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Functional handheld device computing device or other processing device connected to a wireless modem, in-vehicle device, wearable device, terminal device in a 5G network or terminal in a future evolved public land mobile network (PLMN)
  • PLMN public land mobile network
  • the present application describes various embodiments in connection with a network device.
  • the network device in the embodiment of the present application may be a device for communicating with the terminal device, where the access network device may be an evolved base station (Evolutional NodeB, eNB or eNodeB) in the LTE system, or may be a cloud wireless access network.
  • the access network device may be an evolved base station (Evolutional NodeB, eNB or eNodeB) in the LTE system, or may be a cloud wireless access network.
  • Evolutional NodeB, eNB or eNodeB evolved base station
  • the wireless controller in the (Cloud Radio Access Network, CRAN) scenario, or the access network device may be a relay station, an access point, an in-vehicle device, a wearable device, or a Next Generation Evolutional NodeB (NG-eNB)
  • NG-eNB Next Generation Evolutional NodeB
  • the embodiment of the present application is not limited to an access network device (for example, gNB) in a 5G network or an access network device in a publicly-developed public land mobile network (PLMN) network.
  • PLMN public land mobile network
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
  • the wireless communication system 100 may further include another network entity such as a network controller, a Mobility Management Entity (MME), and an Access and Mobility Management Function (AMF).
  • a network controller such as a network controller, a Mobility Management Entity (MME), and an Access and Mobility Management Function (AMF).
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
  • the computer readable medium may include, but is not limited to, a magnetic storage device (eg, a hard disk, a floppy disk, or a magnetic tape, etc.), such as a compact disc (CD), a digital versatile disc (Digital Versatile Disc, DVD). Etc.), smart cards and flash memory devices (eg, Erasable Programmable Read-Only Memory (EPROM), cards, sticks or key drivers, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, but is not limited to, a variety of media capable of storing, containing, and/or carrying instructions and/or data.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • FIG. 2 is a schematic flow diagram of a method 200 of wireless communication in accordance with an embodiment of the present application.
  • the method 200 is optionally applicable to the system shown in FIG. 1, but is not limited thereto.
  • the method 200 includes at least some of the following.
  • the terminal device listens to the PDCCH in a discontinuous reception (DRX) period, where the PDCCH carries an uplink grant, and the uplink grant indicates an asynchronous HARQ process for transmitting the PUSCH.
  • DRX discontinuous reception
  • the terminal device may transmit the PUSCH on the asynchronous HARQ process according to the uplink grant.
  • the terminal device After the PDCCH is detected, the terminal device starts at the first moment.
  • the upstream HARQ RTT timer of the HARQ process is a prefix of the HARQ process.
  • the terminal device does not expect to listen to the PDCCH for the asynchronous HARQ process.
  • the terminal device when the terminal device transmits the PUSCH by using the asynchronous HARQ process, if the transmission fails, the terminal device needs to retransmit the PUSCH by using the asynchronous HARQ process.
  • the asynchronous HARQ process has a maximum number of retransmissions. If the number of retransmissions exceeds the maximum number of retransmissions, the data transmission may be considered to be unsuccessful. At this time, no retransmission is required.
  • the maximum number of retransmissions of the asynchronous HARQ process a is k, and the terminal device still fails to transmit the uplink data Q k times through the asynchronous HARQ process a. Then, the terminal device considers that the uplink data Q transmission fails, and does not need to perform retransmission.
  • the maximum number of retransmissions is configured by the network device for the asynchronous HARQ process.
  • the maximum number of retransmissions is pre-configured for the asynchronous HARQ process.
  • the terminal device may determine the first moment by:
  • the terminal device When performing the nth transmission of the PUSCH, the terminal device receives the termination retransmission message fed back by the network device, where n is a positive integer less than or equal to k, k is the maximum number of retransmissions, and k is greater than or equal to 1. Integer
  • the terminal device determines that the first time is the time at which the PUSCH is transmitted for the nth time.
  • the nth transmission PUSCH refers to the nth retransmission performed after the terminal equipment transmits the PUSCH and continues to retransmit n-1 times.
  • the terminating retransmission message is dynamic scheduling information indicated by the network device by using the PDCCH.
  • the terminating retransmission message is an acknowledgement (ACK) or a non-acknowledgement (NACK) indicated by the PDCCH.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • the terminal device After receiving the termination retransmission message fed back by the network device, the terminal device indicates that the network device has successfully received the PUSCH, and the retransmission may be ended without waiting for the maximum number of retransmissions.
  • the terminal device determines that the first time is the time when the PUSCH is transmitted for the first time.
  • the first transmission of the PUSCH refers to: the terminal device transmits the PUSCH for the first time.
  • retransmission is also performed.
  • the terminal device determines that the first time is the time when the PUSCH is transmitted for the first time, and it may be understood that the terminal device does not expect to receive the PDCCH for the asynchronous HARQ process at the time of the first transmission of the PUSCH, that is, if there is a subsequent retransmission The PUSCH, the terminal device is also not expected to receive the PDCCH for the asynchronous HARQ process.
  • the first transmission PUSCH is the first time in the k times retransmission PUSCH, where k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the terminal device determines that the first time is the time when the PUSCH is transmitted for the kth time, k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the kth transmission PUSCH refers to: the terminal equipment performs the last PUSCH retransmission.
  • the terminal device starts an uplink HARQ RTT timer for the asynchronous HARQ process in a subframe corresponding to the last retransmission PUSCH.
  • the terminal device may start an uplink HARQ RTT timer for the asynchronous HARQ process when receiving the terminating retransmission message, so that the terminal device may end monitoring the PDCCH in advance, and further, The purpose of saving electricity.
  • the uplink HARQ RTT timer is started at the time of transmitting the PUSCH for the first time, so that the terminal device does not need to monitor the PDCCH during the uplink HARQ RTT timer startup period, thereby achieving the purpose of power saving.
  • the uplink HARQ RTT timer is started at the time of the last transmission of the PUSCH, so that reliable transmission of data can be ensured to the greatest extent, and the terminal device is in the startup period of the uplink HARQ RTT timer. There is no need to monitor the PDCCH, and further, the purpose of power saving is achieved.
  • FIG. 3 is a schematic flowchart of a method 300 of wireless communication according to an embodiment of the present application.
  • the method 300 can optionally be applied to the system shown in Figure 1, but is not limited thereto.
  • the method 300 includes at least a portion of the following.
  • the terminal device determines that the current moment has an uplink grant, and the uplink grant indicates an asynchronous HARQ process for transmitting the PUSCH.
  • the terminal device may transmit the PUSCH on the asynchronous HARQ process according to the uplink grant.
  • the terminal device starts an uplink HARQ RTT timer for the asynchronous HARQ process at a first moment.
  • the maximum number of retransmissions is configured by the network device for the asynchronous HARQ process.
  • the maximum number of retransmissions is pre-configured for the asynchronous HARQ process.
  • the terminal device may determine the first moment by:
  • the terminal device When performing the nth transmission of the PUSCH, the terminal device receives the termination retransmission message fed back by the network device, where n is a positive integer less than or equal to k, k is the maximum number of retransmissions, and k is greater than or equal to 1. Integer
  • the terminal device determines that the first time is the time at which the PUSCH is transmitted for the nth time.
  • the nth transmission PUSCH refers to the nth retransmission performed after the terminal equipment transmits the PUSCH and continues to retransmit n-1 times.
  • the terminating retransmission message is dynamic scheduling information indicated by the network device by using the PDCCH.
  • the terminating retransmission message is an acknowledgement (ACK) or a non-acknowledgement (NACK) indicated by the PDCCH.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • the terminal device After receiving the termination retransmission message fed back by the network device, the terminal device indicates that the network device has successfully received the PUSCH, and the retransmission may be ended without waiting for the maximum number of retransmissions.
  • the terminal device determines that the first time is the time when the PUSCH is transmitted for the first time.
  • the first transmission of the PUSCH refers to: the terminal device transmits the PUSCH for the first time.
  • retransmission is also performed.
  • the terminal device determines that the first time is the time when the PUSCH is transmitted for the first time, and it may be understood that the terminal device does not expect to receive the PDCCH for the asynchronous HARQ process at the time of the first transmission of the PUSCH, that is, if there is a subsequent retransmission The PUSCH, the terminal device is also not expected to receive the PDCCH for the asynchronous HARQ process.
  • the first transmission PUSCH is the first time in the k times retransmission PUSCH, where k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the terminal device determines that the first time is the time when the PUSCH is transmitted for the kth time, k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the kth transmission PUSCH refers to: the terminal equipment performs the last PUSCH retransmission.
  • the terminal device starts an uplink HARQ RTT timer for the asynchronous HARQ process in a subframe corresponding to the last retransmission PUSCH.
  • the terminal device may start an uplink HARQ RTT timer for the asynchronous HARQ process when receiving the terminating retransmission message, so that the terminal device may end monitoring the PDCCH in advance, and further, The purpose of saving electricity.
  • the uplink HARQ RTT timer is started at the time of transmitting the PUSCH for the first time, so that the terminal device does not need to monitor the PDCCH during the uplink HARQ RTT timer startup period, thereby achieving the purpose of power saving.
  • the uplink HARQ RTT timer is started at the time of the last transmission of the PUSCH, so that reliable transmission of data can be ensured to the greatest extent, and the terminal device is in the startup period of the uplink HARQ RTT timer. There is no need to monitor the PDCCH, and further, the purpose of power saving is achieved.
  • FIG. 4 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application. As shown in FIG. 4, the terminal device 400 includes:
  • the processing unit 410 is configured to listen to the downlink control channel PDCCH in the discontinuous reception DRX period, where the PDCCH carries an uplink grant, where the uplink grant indicates an asynchronous hybrid automatic repeat request HARQ process for transmitting the uplink shared channel PUSCH;
  • the processing unit 410 After the processing unit 410 detects the PDCCH, the processing unit 410 initiates an uplink HARQ cycle time RTT timer for the asynchronous HARQ process at the first time.
  • the terminal device 400 further includes:
  • the receiving unit 420 is configured to receive a termination retransmission message fed back by the network device when the nth transmission of the PUSCH is performed, where n is a positive integer less than or equal to k, k is a maximum number of retransmissions, and k is greater than or equal to a positive integer of 1;
  • the processing unit 410 is further configured to determine that the first time is the time when the PUSCH is transmitted for the nth time.
  • the terminating retransmission message is dynamic scheduling information indicated by the PDCCH, or the terminating retransmission message is an acknowledgement frame ACK or a non-acknowledgement frame NACK indicated by the PDCCH.
  • the first moment is a moment when the PUSCH is transmitted for the first time.
  • the first transmission PUSCH is the first time in the k times retransmission PUSCH, where k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the first time is a time when the PUSCH is transmitted for the kth time, k is a maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the maximum number of retransmissions is configured by the network device for the asynchronous HARQ process.
  • the maximum number of retransmissions is pre-configured for the asynchronous HARQ process.
  • FIG. 5 is a schematic block diagram of a terminal device 500 according to an embodiment of the present application. As shown in FIG. 5, the terminal device 500 includes:
  • the processing unit 510 is configured to determine that the current time has an uplink grant, where the uplink grant indicates an asynchronous hybrid automatic repeat request HARQ process for transmitting the uplink shared channel PUSCH;
  • the processing unit 510 is further configured to start an uplink HARQ cycle time RTT timer for the asynchronous HARQ process at the first moment.
  • the terminal device 500 further includes:
  • the receiving unit 520 is configured to receive a termination retransmission message fed back by the network device when the nth transmission of the PUSCH is performed, where n is a positive integer less than or equal to k, k is a maximum number of retransmissions, and k is greater than or equal to a positive integer of 1;
  • the processing unit 510 is further configured to determine that the first time is the time when the PUSCH is transmitted for the nth time.
  • the terminating retransmission message is dynamic scheduling information indicated by the PDCCH, or the terminating retransmission message is an acknowledgement frame ACK or a non-acknowledgement frame NACK indicated by the PDCCH.
  • the first moment is a moment when the PUSCH is transmitted for the first time.
  • the first transmission PUSCH is the first time in the k times retransmission PUSCH, where k is the maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the first time is a time when the PUSCH is transmitted for the kth time, k is a maximum number of retransmissions, and k is a positive integer greater than or equal to 1.
  • the maximum number of retransmissions is configured by the network device for the asynchronous HARQ process.
  • the maximum number of retransmissions is pre-configured for the asynchronous HARQ process.
  • FIG. 6 is a schematic block diagram of a device 600 for wireless communication provided by an embodiment of the present application.
  • the device 600 includes:
  • a memory 610 configured to store a program, where the program includes code
  • the transceiver 620 is configured to communicate with other devices;
  • the processor 630 is configured to execute program code in the memory 610.
  • the transceiver 620 is configured to perform specific signal transceiving under the driving of the processor 630.
  • the processor 630 can also implement various operations performed by the terminal device in the method 200 in FIG. 2 and the method 300 in FIG. 3, and details are not described herein for brevity.
  • the device 600 can be a terminal device, such as a mobile phone.
  • the processor 630 may be a central processing unit (CPU), and the processor 630 may also be other general-purpose processors, digital signal processors (DSPs), and application specific integrated circuits. (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and more.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 610 can include read only memory and random access memory and provides instructions and data to the processor 630. A portion of the memory 610 may also include a non-volatile random access memory. For example, the memory 610 can also store information of the device type.
  • the transceiver 620 can be used to implement signal transmission and reception functions, such as frequency modulation and demodulation functions or upconversion and down conversion functions.
  • the device 600 for wireless communication can be a chip or chipset.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor 630 reads the information in the memory and completes the steps of the above method in combination with the hardware thereof. To avoid repetition, it will not be described in detail here.
  • FIG. 7 is a schematic structural diagram of a system chip 700 according to an embodiment of the present application.
  • the system chip 700 of FIG. 7 includes an input interface 701, an output interface 702, a processor 703, and a memory 704.
  • the memories 703 are used to execute the code in the memory 704.
  • the processor 703 implements a method performed by the terminal device in the method embodiment. For the sake of brevity, it will not be repeated here.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be wired from a website site, computer, server or data center (for example, coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (such as a solid state disk (SSD)).
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.

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Abstract

本申请提供了一种无线通信的方法和终端设备，终端设备可以灵活启动HARQ RTT定时器，从而达到省电的目的。该方法包括：终端设备在DRX时段内侦听PDCCH，该PDCCH携带上行授权，该上行授权指示用于传输PUSCH的异步HARQ进程；在侦听到该PDCCH之后，该终端设备在第一时刻启动针对该异步HARQ进程的上行HARQ RTT定时器。

Description

无线通信的方法和终端设备 技术领域
本申请涉及通信领域，并且更具体地，涉及一种无线通信的方法和终端设备。
背景技术
在长期演进(Long Term Evolution，LTE)***中，混合自动重传请求循环时间(Hybrid Automatic Repeat Request Round Trip Time，HARQ RTT)定时器是针对每个异步混合自动重传请求(Hybrid Automatic Repeat Request，HARQ)进程(process)定义的，即对每一个异步HARQ进程，都维护一个上行HARQ RTT定时器。该定时器的作用是，当启动时，终端设备不需要在定时器的时长内针对这一异步HARQ进程侦听物理下行控制信道(Physical Downlink Control Channel，PDCCH)。
在第五代移动通信技术(5-Generation，5G)新空口(New Radio NR)通信中，上行HARQ RTT定时器的启动时机需要考虑物理上行共享信道(Physical Uplink Shared Channel，PUSCH)的重传(repetition)，以满足省电的要求。
发明内容
本申请实施例提供了一种无线通信的方法和终端设备，终端设备可以灵活启动HARQ RTT定时器，从而达到省电的目的。
第一方面，本申请实施例提供了一种无线通信的方法，包括：
终端设备在非连续接收DRX时段内侦听下行控制信道PDCCH，该PDCCH携带上行授权，该上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
在侦听到该PDCCH之后，该终端设备在第一时刻启动针对该异步HARQ进程的上行HARQ循环时间RTT定时器。
因此，在本申请实施例的无线通信的方法中，终端设备在侦听到指示上行异步HARQ进程的PDCCH之后，在第一时刻启动针对异步HARQ进程的上行HARQ RTT定时器，从而，终端设备在上行HARQ RTT定时器启动 期间内不用监测PDCCH，进而，达到省电的目的。
可选地，在第一方面的一种实现方式中，该方法还包括：
在进行第n次传输PUSCH之时，该终端设备接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
该终端设备确定该第一时刻为第n次传输PUSCH的时刻。
应理解，终端设备在接收到网络设备反馈的终止重传消息之后，表示网络设备已经成功接收该PUSCH，不需要等到最大重传次数，就可以结束重传了。
因此，在本申请实施例的无线通信的方法中，终端设备可以在接收到终止重传消息之时，启动针对异步HARQ进程的上行HARQ RTT定时器，从而，终端设备可以提前结束监测PDCCH，进而，达到省电的目的。
可选地，在第一方面的一种实现方式中，该终止重传消息为通过PDCCH指示的动态调度信息，或者，该终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
可选地，在第一方面的一种实现方式中，该第一时刻为第一次传输PUSCH的时刻。
因此，在本申请实施例的无线通信的方法中，在第一次传输PUSCH的时刻启动上行HARQ RTT定时器，从而，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
可选地，在第一方面的一种实现方式中，该第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，在第一方面的一种实现方式中，该第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，在第一方面的一种实现方式中，该最大重传次数为网络设备针对该异步HARQ进程配置的。
可选地，在第一方面的一种实现方式中，该最大重传次数为针对该异步HARQ进程预配置的。
第二方面，本申请实施例提供了一种无线通信的方法，包括：
终端设备确定当前时刻具有上行授权，该上行授权指示用于传输上行共 享信道PUSCH的异步混合自动重传请求HARQ进程；
该终端设备在第一时刻启动针对该异步HARQ进程的上行HARQ循环时间RTT定时器。
因此，在本申请实施例的无线通信的方法中，终端设备确定当前存在指示上行异步HARQ进程的上行授权之后，在第一时刻启动针对异步HARQ进程的上行HARQ RTT定时器，从而，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
可选地，在第二方面的一种实现方式中，该方法还包括：
在进行第n次传输PUSCH之时，该终端设备接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
该终端设备确定该第一时刻为第n次传输PUSCH的时刻。
应理解，终端设备在接收到网络设备反馈的终止重传消息之后，表示网络设备已经成功接收该PUSCH，不需要等到最大重传次数，就可以结束重传了。
因此，在本申请实施例的无线通信的方法中，终端设备可以在接收到终止重传消息之时，启动针对异步HARQ进程的上行HARQ RTT定时器，从而，终端设备可以提前结束监测PDCCH，进而，达到省电的目的。
可选地，在第二方面的一种实现方式中，该终止重传消息为通过PDCCH指示的动态调度信息，或者，该终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
可选地，在第二方面的一种实现方式中，该第一时刻为第一次传输PUSCH的时刻。
因此，在本申请实施例的无线通信的方法中，在第一次传输PUSCH的时刻启动上行HARQ RTT定时器，从而，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
可选地，在第二方面的一种实现方式中，该第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，在第二方面的一种实现方式中，该第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，在第二方面的一种实现方式中，该最大重传次数为网络设备针对该异步HARQ进程配置的。
可选地，在第二方面的一种实现方式中，该最大重传次数为针对该异步HARQ进程预配置的。
第三方面，本申请实施例提供了一种终端设备，可以执行第一方面或第一方面的任一可选的实现方式中的方法的模块或者单元。
第四方面，本申请实施例提供了一种终端设备，可以执行第二方面或第二方面的任一可选的实现方式中的方法的模块或者单元。
第五方面，提供了一种终端设备，该终端设备包括处理器、存储器和通信接口。处理器与存储器和通信接口连接。存储器用于存储指令，处理器用于执行该指令，通信接口用于在处理器的控制下与其他网元进行通信。该处理器执行该存储器存储的指令时，该执行使得该处理器执行第一方面或第一方面的任意可能的实现方式中的方法。
第六方面，提供了一种终端设备，该终端设备包括处理器、存储器和通信接口。处理器与存储器和通信接口连接。存储器用于存储指令，处理器用于执行该指令，通信接口用于在处理器的控制下与其他网元进行通信。该处理器执行该存储器存储的指令时，该执行使得该处理器执行第二方面或第二方面的任意可能的实现方式中的方法。
第七方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示计算机执行上述第一方面或第一方面的任一种可能的实现方式中的方法的指令。
第八方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示计算机执行上述第二方面或第二方面的任一种可能的实现方式中的方法的指令。
第九方面，提供了一种包括指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述各方面所述的方法。
附图说明
图1是本申请实施例的一个应用场景的示意图。
图2是根据本申请实施例的一种无线通信的方法的示意性流程图。
图3是根据本申请实施例的另一种无线通信的方法的示意性流程图。
图4是根据本申请实施例的一种终端设备的示意性框图。
图5是根据本申请实施例的另一种终端设备的示意性框图。
图6示出了本申请实施例提供的无线通信的设备的示意性框图。
图7是根据本申请实施例的***芯片的示意性结构图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。
本申请实施例的技术方案可以应用于各种通信***，例如：长期演进(Long Term Evolution，LTE)***、LTE频分双工(Frequency Division Duplex，FDD)***、LTE时分双工(Time Division Duplex，TDD)、通用移动通信***(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信***或5G通信***等。
本申请实施例中的终端设备可以指用户设备(User Equipment，UE)、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例并不限定。
本申请结合网络设备描述了各个实施例。本申请实施例中的网络设备可以是用于与终端设备通信的设备，该接入网设备可以是LTE***中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该接入网设备可以为中继站、接入点、车载设备、可穿戴设备、下一代演进型基站(Next Generation Evolutional NodeB，NG-eNB)以及5G网络中的接入网设备(例如，gNB)或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)网络中的接入网设备等，本申请实施例并不限定。
图1示例性地示出了一个网络设备和两个终端设备，可选地，该无线通信***100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施例对此不做限定。
可选地，该无线通信***100还可以包括网络控制器、移动性管理实体(Mobility Management Entity，MME)、接入与移动性管理功能(Access and Mobility Management Function，AMF)等其他网络实体，本申请实施例对此不作限定。
此外，本申请的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本申请中使用的术语“制品”涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。例如，计算机可读介质可以包括，但不限于：磁存储器件(例如，硬盘、软盘或磁带等)，光盘(例如，压缩盘(Compact Disc，CD)、数字通用盘(Digital Versatile Disc，DVD)等)，智能卡和闪存器件(例如，可擦写可编程只读存储器(Erasable Programmable Read-Only Memory，EPROM)、卡、棒或钥匙驱动器等)。另外，本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可包括但不限于，能够存储、包含和/或承载指令和/或数据的各种介质。
应理解，本文中术语“***”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
图2是根据本申请实施例的无线通信的方法200的示意性流程图。该方法200可选地可以应用于图1所示的***，但并不限于此。该方法200包括以下内容中的至少部分内容。
210，终端设备在非连续接收(Discontinuous reception，DRX)时段内侦听PDCCH，该PDCCH携带上行授权(grant)，该上行授权指示用于传输PUSCH的异步HARQ进程。
可选地，终端设备可以根据该上行授权在该异步HARQ进程上传输PUSCH。
220，在侦听到该PDCCH之后，该终端设备在第一时刻启动针对该异 步HARQ进程的上行HARQ RTT定时器。
应理解，在上行HARQ RTT定时器启动期间，终端设备不期待侦听针对该异步HARQ进程的PDCCH。
可选地，终端设备在通过该异步HARQ进程传输PUSCH时，若传输失败，终端设备需要通过该异步HARQ进程重新传输该PUSCH。
可选地，该异步HARQ进程有一个最大重传次数，若是重传次数超过最大重传次数时，即可认为这一数据传输失败，此时，不需要进行重传了。
例如，异步HARQ进程a的最大重传次数为k，终端设备通过异步HARQ进程a传输上行数据Q k次依然失败，则终端设备认为上行数据Q传输失败，不需要进行重传。
可选地，该最大重传次数为网络设备针对该异步HARQ进程配置的。
可选地，该最大重传次数为针对该异步HARQ进程预配置的。
可选地，终端设备可以通过如下方式确定第一时刻：
方式一，
在进行第n次传输PUSCH之时，该终端设备接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
该终端设备确定该第一时刻为第n次传输PUSCH的时刻。
可选地，第n次传输PUSCH是指：终端设备传输PUSCH，且连续重传n-1次依然失败之后，进行的第n次重传。
可选地，该终止重传消息为网络设备通过PDCCH指示的动态调度信息。
可选地，该终止重传消息为通过PDCCH指示的确认帧(Acknowledgement，ACK)或者非确认帧(Non-Acknowledgement，NACK)。
应理解，终端设备在接收到网络设备反馈的终止重传消息之后，表示网络设备已经成功接收该PUSCH，不需要等到最大重传次数，就可以结束重传了。
方式二，
终端设备确定该第一时刻为第一次传输PUSCH的时刻。
应理解，第一次传输PUSCH的时刻不是方式一中n＝1的特例，在方式二中，终端设备不需要接收网络设备的反馈消息。
可选地，第一次传输PUSCH是指：终端设备首次传输PUSCH。
可选地，在第一次传输PUSCH失败的情况下，也会进行重传。
可选地，终端设备确定该第一时刻为第一次传输PUSCH的时刻，可以理解为终端设备在第一传输PUSCH的时刻，就不期待接收针对异步HARQ进程的PDCCH，即若是后续存在重传PUSCH，终端设备也不期待接收针对异步HARQ进程的PDCCH。
可选地，该第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
方式三，
终端设备确定该第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，第k次传输PUSCH是指：终端设备进行最后一次PUSCH重传。
可选地，此时，终端设备在最后一个重传(repetition)的PUSCH所对应的子帧(subframe)启动针对异步HARQ进程的上行HARQ RTT定时器。
因此，在本申请实施例的方式一中，终端设备可以在接收到终止重传消息之时，启动针对异步HARQ进程的上行HARQ RTT定时器，从而，终端设备可以提前结束监测PDCCH，进而，达到省电的目的。
在本申请实施例的方式二中，在第一次传输PUSCH的时刻启动上行HARQ RTT定时器，从而，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
在本申请实施例的方式三中，在最后一次传输PUSCH的时刻启动上行HARQ RTT定时器，从而，可以在最大程度上保证数据的可靠传输，同时，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
图3是根据本申请实施例的无线通信的方法300的示意性流程图。该方法300可选地可以应用于图1所示的***，但并不限于此。该方法300包括以下内容中的至少部分内容。
310，终端设备确定当前时刻具有上行授权，该上行授权指示用于传输PUSCH的异步HARQ进程。
可选地，终端设备可以根据该上行授权在该异步HARQ进程上传输PUSCH。
320，该终端设备在第一时刻启动针对该异步HARQ进程的上行HARQ RTT定时器。
可选地，该最大重传次数为网络设备针对该异步HARQ进程配置的。
可选地，该最大重传次数为针对该异步HARQ进程预配置的。
可选地，终端设备可以通过如下方式确定第一时刻：
方式一，
在进行第n次传输PUSCH之时，该终端设备接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
该终端设备确定该第一时刻为第n次传输PUSCH的时刻。
可选地，第n次传输PUSCH是指：终端设备传输PUSCH，且连续重传n-1次依然失败之后，进行的第n次重传。
可选地，该终止重传消息为网络设备通过PDCCH指示的动态调度信息。
可选地，该终止重传消息为通过PDCCH指示的确认帧(Acknowledgement，ACK)或者非确认帧(Non-Acknowledgement，NACK)。
应理解，终端设备在接收到网络设备反馈的终止重传消息之后，表示网络设备已经成功接收该PUSCH，不需要等到最大重传次数，就可以结束重传了。
方式二，
终端设备确定该第一时刻为第一次传输PUSCH的时刻。
可选地，第一次传输PUSCH是指：终端设备首次传输PUSCH。
可选地，在第一次传输PUSCH失败的情况下，也会进行重传。
可选地，终端设备确定该第一时刻为第一次传输PUSCH的时刻，可以理解为终端设备在第一传输PUSCH的时刻，就不期待接收针对异步HARQ进程的PDCCH，即若是后续存在重传PUSCH，终端设备也不期待接收针对异步HARQ进程的PDCCH。
应理解，第一次传输PUSCH的时刻不是方式一中n＝1的特例，在方式二中，终端设备不需要接收网络设备的反馈消息。
可选地，该第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
方式三，
终端设备确定该第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，第k次传输PUSCH是指：终端设备进行最后一次PUSCH重传。
可选地，此时，终端设备在最后一个重传(repetition)的PUSCH所对应的子帧(subframe)启动针对异步HARQ进程的上行HARQ RTT定时器。
因此，在本申请实施例的方式一中，终端设备可以在接收到终止重传消息之时，启动针对异步HARQ进程的上行HARQ RTT定时器，从而，终端设备可以提前结束监测PDCCH，进而，达到省电的目的。
在本申请实施例的方式二中，在第一次传输PUSCH的时刻启动上行HARQ RTT定时器，从而，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
在本申请实施例的方式三中，在最后一次传输PUSCH的时刻启动上行HARQ RTT定时器，从而，可以在最大程度上保证数据的可靠传输，同时，终端设备在上行HARQ RTT定时器启动期间内不用监测PDCCH，进而，达到省电的目的。
图4是根据本申请实施例的一种终端设备400的示意性框图。如图4所示，该终端设备400包括：
处理单元410，用于在非连续接收DRX时段内侦听下行控制信道PDCCH，该PDCCH携带上行授权，该上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
在该处理单元410侦听到该PDCCH之后，该处理单元410在第一时刻启动针对该异步HARQ进程的上行HARQ循环时间RTT定时器。
可选地，该终端设备400还包括：
接收单元420，用于在进行第n次传输PUSCH之时，接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
该处理单元410，还用于确定该第一时刻为第n次传输PUSCH的时刻。
可选地，该终止重传消息为通过PDCCH指示的动态调度信息，或者，该终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
可选地，该第一时刻为第一次传输PUSCH的时刻。
可选地，该第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，该第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，该最大重传次数为网络设备针对该异步HARQ进程配置的。
可选地，该最大重传次数为针对该异步HARQ进程预配置的。
应理解，根据本申请实施例的一种终端设备400中的各个模块的上述和其它操作和/或功能分别为了实现图2中的方法200中的终端设备的相应流程，为了简洁，在此不再赘述。
图5是根据本申请实施例的一种终端设备500的示意性框图。如图5所示，该终端设备500包括：
处理单元510，用于确定当前时刻具有上行授权，该上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
该处理单元510，还用于在第一时刻启动针对该异步HARQ进程的上行HARQ循环时间RTT定时器。
可选地，该终端设备500还包括：
接收单元520，用于在进行第n次传输PUSCH之时，接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
该处理单元510，还用于确定该第一时刻为第n次传输PUSCH的时刻。
可选地，该终止重传消息为通过PDCCH指示的动态调度信息，或者，该终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
可选地，该第一时刻为第一次传输PUSCH的时刻。
可选地，该第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，该第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
可选地，该最大重传次数为网络设备针对该异步HARQ进程配置的。
可选地，该最大重传次数为针对该异步HARQ进程预配置的。
应理解，根据本申请实施例的一种终端设备500中的各个模块的上述和其它操作和/或功能分别为了实现图3中的方法300中的终端设备的相应流 程，为了简洁，在此不再赘述。
图6示出了本申请实施例提供的无线通信的设备600的示意性框图，该设备600包括：
存储器610，用于存储程序，该程序包括代码；
收发器620，用于和其他设备进行通信；
处理器630，用于执行存储器610中的程序代码。
可选地，收发器620用于在处理器630的驱动下执行具体的信号收发。
可选地，当该代码被执行时，该处理器630还可以实现图2中的方法200和图3中的方法300中终端设备执行的各个操作，为了简洁，在此不再赘述。此时，该设备600可以为终端设备，例如，手机。
应理解，在本申请实施例中，该处理器630可以是中央处理单元(Central Processing Unit，CPU)，该处理器630还可以是其他通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现成可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
该存储器610可以包括只读存储器和随机存取存储器，并向处理器630提供指令和数据。存储器610的一部分还可以包括非易失性随机存取存储器。例如，存储器610还可以存储设备类型的信息。
收发器620可以是用于实现信号发送和接收功能，例如频率调制和解调功能或叫上变频和下变频功能。
在实现过程中，上述方法的至少一个步骤可以通过处理器630中的硬件的集成逻辑电路完成，或该集成逻辑电路可在软件形式的指令驱动下完成该至少一个步骤。因此，无线通信的设备600可以是个芯片或者芯片组。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器630读取存储器中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
图7是根据本申请实施例的***芯片700的示意性结构图。图7的***芯片700包括输入接口701、输出接口702、处理器703以及存储器704之 间可以通过内部通信连接线路相连，该处理器703用于执行该存储器704中的代码。
可选地，当该代码被执行时，该处理器703实现方法实施例中由终端设备执行的方法。为了简洁，在此不再赘述。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行该计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。该计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。该计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，该计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。该计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。该可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
所属领的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的***、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以该权利要求的保护范围为准。

Claims (32)

  1. 一种无线通信的方法，其特征在于，包括：
    终端设备在非连续接收DRX时段内侦听下行控制信道PDCCH，所述PDCCH携带上行授权，所述上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
    在侦听到所述PDCCH之后，所述终端设备在第一时刻启动针对所述异步HARQ进程的上行HARQ循环时间RTT定时器。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    在进行第n次传输PUSCH之时，所述终端设备接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
    所述终端设备确定所述第一时刻为第n次传输PUSCH的时刻。
  3. 根据权利要求2所述的方法，其特征在于，所述终止重传消息为通过PDCCH指示的动态调度信息，或者，所述终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
  4. 根据权利要求1所述的方法，其特征在于，所述第一时刻为第一次传输PUSCH的时刻。
  5. 根据权利要求4所述的方法，其特征在于，所述第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
  6. 根据权利要求1所述的方法，其特征在于，所述第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
  7. 根据权利要求2、3、5、6中任一项所述的方法，其特征在于，所述最大重传次数为网络设备针对所述异步HARQ进程配置的。
  8. 根据权利要求2、3、5、6中任一项所述的方法，其特征在于，所述最大重传次数为针对所述异步HARQ进程预配置的。
  9. 一种无线通信的方法，其特征在于，包括：
    终端设备确定当前时刻具有上行授权，所述上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
    所述终端设备在第一时刻启动针对所述异步HARQ进程的上行HARQ循环时间RTT定时器。
  10. 根据权利要求9所述的方法，其特征在于，所述方法还包括：
    在进行第n次传输PUSCH之时，所述终端设备接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
    所述终端设备确定所述第一时刻为第n次传输PUSCH的时刻。
  11. 根据权利要求10所述的方法，其特征在于，所述终止重传消息为通过PDCCH指示的动态调度信息，或者，所述终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
  12. 根据权利要求9所述的方法，其特征在于，所述第一时刻为第一次传输PUSCH的时刻。
  13. 根据权利要求12所述的方法，其特征在于，所述第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
  14. 根据权利要求9所述的方法，其特征在于，所述第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
  15. 根据权利要求10、11、13、14中任一项所述的方法，其特征在于，所述最大重传次数为网络设备针对所述异步HARQ进程配置的。
  16. 根据权利要求10、11、13、14中任一项所述的方法，其特征在于，所述最大重传次数为针对所述异步HARQ进程预配置的。
  17. 一种终端设备，其特征在于，包括：
    处理单元，用于在非连续接收DRX时段内侦听下行控制信道PDCCH，所述PDCCH携带上行授权，所述上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
    在所述处理单元侦听到所述PDCCH之后，所述处理单元在第一时刻启动针对所述异步HARQ进程的上行HARQ循环时间RTT定时器。
  18. 根据权利要求17所述的终端设备，其特征在于，所述终端设备还包括：
    接收单元，用于在进行第n次传输PUSCH之时，接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
    所述处理单元，还用于确定所述第一时刻为第n次传输PUSCH的时刻。
  19. 根据权利要求18所述的终端设备，其特征在于，所述终止重传消息为通过PDCCH指示的动态调度信息，或者，所述终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
  20. 根据权利要求17所述的终端设备，其特征在于，所述第一时刻为第一次传输PUSCH的时刻。
  21. 根据权利要求20所述的终端设备，其特征在于，所述第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
  22. 根据权利要求17所述的终端设备，其特征在于，所述第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
  23. 根据权利要求18、19、21、22中任一项所述的终端设备，其特征在于，所述最大重传次数为网络设备针对所述异步HARQ进程配置的。
  24. 根据权利要求18、19、21、22中任一项所述的终端设备，其特征在于，所述最大重传次数为针对所述异步HARQ进程预配置的。
  25. 一种终端设备，其特征在于，包括：
    处理单元，用于确定当前时刻具有上行授权，所述上行授权指示用于传输上行共享信道PUSCH的异步混合自动重传请求HARQ进程；
    所述处理单元，还用于在第一时刻启动针对所述异步HARQ进程的上行HARQ循环时间RTT定时器。
  26. 根据权利要求25所述的终端设备，其特征在于，所述终端设备还包括：
    接收单元，用于在进行第n次传输PUSCH之时，接收到网络设备反馈的终止重传消息，n为小于或者等于k的正整数，k为最大重传次数，且k为大于或者等于1的正整数；
    所述处理单元，还用于确定所述第一时刻为第n次传输PUSCH的时刻。
  27. 根据权利要求26所述的终端设备，其特征在于，所述终止重传消息为通过PDCCH指示的动态调度信息，或者，所述终止重传消息为通过PDCCH指示的确认帧ACK或者非确认帧NACK。
  28. 根据权利要求25所述的终端设备，其特征在于，所述第一时刻为第一次传输PUSCH的时刻。
  29. 根据权利要求28所述的终端设备，其特征在于，所述第一次传输PUSCH为k次重传PUSCH中的第一次，k为最大重传次数，且k为大于或者等于1的正整数。
  30. 根据权利要求25所述的终端设备，其特征在于，所述第一时刻为第k次传输PUSCH的时刻，k为最大重传次数，且k为大于或者等于1的正整数。
  31. 根据权利要求26、27、29、30中任一项所述的终端设备，其特征在于，所述最大重传次数为网络设备针对所述异步HARQ进程配置的。
  32. 根据权利要求26、27、29、30中任一项所述的终端设备，其特征在于，所述最大重传次数为针对所述异步HARQ进程预配置的。
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