WO2018028535A1 - Procédé d'indication du nombre de processus de transmission en liaison montante et dispositif associé - Google Patents

Procédé d'indication du nombre de processus de transmission en liaison montante et dispositif associé Download PDF

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Publication number
WO2018028535A1
WO2018028535A1 PCT/CN2017/096178 CN2017096178W WO2018028535A1 WO 2018028535 A1 WO2018028535 A1 WO 2018028535A1 CN 2017096178 W CN2017096178 W CN 2017096178W WO 2018028535 A1 WO2018028535 A1 WO 2018028535A1
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WIPO (PCT)
Prior art keywords
process number
hybrid automatic
request process
packet
resource
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PCT/CN2017/096178
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English (en)
Chinese (zh)
Inventor
孙昊
成艳
薛丽霞
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华为技术有限公司
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Publication of WO2018028535A1 publication Critical patent/WO2018028535A1/fr

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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
    • 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
    • H04L1/1607—Details of the supervisory signal
    • 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
    • H04L1/1822—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
    • H04L1/12—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
    • H04L1/1861—Physical mapping arrangements
    • 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

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to an uplink transmission process number indication method and related device.
  • uplink and downlink data scheduling is performed by a PDCCH (Physical Downlink Control Channel) or an Enhanced Physical Downlink Control Channel (Enhanced Physical Downlink Control Channel).
  • PDCCH Physical Downlink Control Channel
  • Enhanced Physical Downlink Control Channel Enhanced Physical Downlink Control Channel
  • the one-to-one scheduling of the eNB (Evolved Node B) and the UE (User Equipment) is implemented, that is, each UE can receive the uplink scheduling from the eNB for the UE through the PDCCH or the E-PDCCH. instruction.
  • optimization of control channel overhead will become an important direction.
  • the uplink-competitive transmission scheme based on the unscheduled is an optimization direction.
  • the eNB configures the same contention resources for a group of UEs and does not send an uplink scheduling instruction for a single UE, and the uplink data transmission of the UE is initiated by itself.
  • the retransmission scheme adopts the synchronous retransmission (the retransmission time is kept at a fixed time interval from the initial transmission time), the UE that collides at the initial transmission will be simultaneously transmitted at the time of retransmission and the collision is accumulated. Therefore, the asynchronous broadcast transmission without scheduling needs to adopt the scheme of asynchronous retransmission, wherein asynchronous retransmission means that there is no fixed time interval between the initial transmission and the retransmission.
  • the retransmission at a certain time n is determined by the initial transmission, retransmission and initial transmission.
  • the connection can be determined by the timing relationship timing, but in the case of asynchronous retransmission, the connection cannot be established directly, and the retransmission at time n may also be initiated by the initial transmission at other times.
  • HARQ Hybrid Automatic Repeat reQuest
  • the single HARQ process then other packets can also initiate transmission before a packet transmission task is completed, but this does not mean that the retransmission of the post-transmission packet will be later than the packet sent first, such as the process number received at time n.
  • the initial transmission packet of 1 the initial transmission packet with process number 2 is received at time n+1, then the retransmission packet received at time n+5 may be process number 2, and retransmission is received at time n+6.
  • the package may be process number 1. Therefore, there is a concept of the HARQ process, and the associated initial packet and retransmission packet are associated with the HARQ process number.
  • the UE If multiple uplink HARQ processes are enabled, the UE must obtain the process ID used for the current transmission on each transmission. Otherwise, the eNB cannot associate the initial transmission packet in the same HARQ process with the retransmission packet. Get the HARQ merge gain. The eNB cannot indicate the HARQ process ID to the UE under the unscheduled uplink contending transmission scheme. Therefore, how the UE transmits the HARQ process ID to the eNB is an urgent problem to be solved.
  • the present invention provides an uplink transmission process number indication method and related equipment, and implements a mapping between a preset hybrid automatic retransmission request process number association information and a hybrid automatic retransmission request process number, so that the user equipment transmits to the network device.
  • Hybrid automatic repeat request process number is a mapping between a preset hybrid automatic retransmission request process number association information and a hybrid automatic retransmission request process number, so that the user equipment transmits to the network device.
  • an embodiment of the present invention provides a method for indicating an uplink transmission process number, including:
  • the method further includes:
  • the network device when detecting that the data packet verification in the initial transmission packet fails, establishing an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and sending a negative response message, where the negation
  • the response message is used to indicate that the user equipment sends the retransmission packet corresponding to the hybrid automatic repeat request process ID information
  • the hybrid automatic repeat request process ID association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment; The initial transmission packet and the retransmission packet are received on the contention resource.
  • the method before the network device receives the initial transmission packet, the method further includes:
  • the network device sends the contending resource group indication information, where the contending resource group indication information is used to indicate the contention resource group; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between the contention resource in the contention group and the hybrid automatic repeat request process number; or
  • the network device sends the contending resource group comprehensive indication information, where the contending resource group comprehensive indication information is used to indicate the contention resource group, and the content between the contention resource and the hybrid automatic repeat request process number in the contending resource group Mapping relationship collection.
  • the hybrid automatic repeat request process number association information is a frequency domain comb of a demodulation reference signal sequence.
  • the method before the network device receives the initial transmission packet, the method further includes:
  • the network device sends demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship between a frequency domain comb tooth of a demodulation reference signal sequence and a hybrid automatic repeat request process number; or
  • the network device sends demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and frequency domain comb and mixing of the demodulation reference signal sequence Automatically retransmit the set of mapping relationships between request process numbers.
  • the hybrid automatic repeat request process ID association information is process number modulation information carried on a packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the method before the network device receives the initial transmission packet, the method further includes:
  • the network device sends packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the network device sends the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic retransmission request process number; or
  • the network device sends the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • an embodiment of the present invention provides a method for indicating an uplink transmission process number, including:
  • the user equipment sends an initial transmission packet, where the initial transmission packet is used by the network device to obtain the hybrid automatic retransmission request process number association information of the initial transmission packet after receiving the initial transmission packet, and automatically according to the preset hybrid
  • the retransmission request process number association information and the hybrid automatic retransmission request process number are set to determine a hybrid automatic retransmission request process number corresponding to the acquired hybrid automatic retransmission request process number association information.
  • the method further includes:
  • the user equipment receives a negative response message, where the network device detects that the data packet verification in the initial transmission packet fails, and establishes the initial transmission packet and the hybrid automatic repeat request process. Sent in the case of the association of the number;
  • the user equipment sends a retransmission packet including the hybrid automatic repeat request process number association information, where the retransmission packet is used by the network device after receiving the retransmission packet, And combining, according to the mapping relationship between the hybrid automatic repeat request process ID association information and the hybrid automatic repeat request process number, and the association relationship, combining and demodulating the initial transmission packet and the Re-transfer.
  • the hybrid automatic repeat request process ID association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment;
  • the initial transmission packet and the retransmission packet are sent on the contention resource.
  • the method before the user equipment sends the initial transmission packet, the method further includes:
  • the user equipment receives the competition resource group indication information, where the competition resource group indication information is used to indicate the competition Resource group; or,
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between a contention resource in the contention resource group and a hybrid automatic repeat request process number; or
  • the user equipment receives the competition resource group comprehensive indication information, where the competition resource group comprehensive indication information is used to indicate the contention resource group, and the contention between the contention resource and the hybrid automatic repeat request process number in the contention group Mapping relationship collection.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of a demodulation reference signal sequence.
  • the method before the user equipment sends the initial transmission packet, the method further includes:
  • the user equipment receives demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship between a frequency domain comb tooth of a demodulation reference signal sequence and a hybrid automatic repeat request process number; or
  • the user equipment receives demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and frequency domain comb and mixing of the demodulation reference signal sequence Automatically retransmit the set of mapping relationships between request process numbers.
  • the hybrid automatic repeat request process ID association information is process number modulation information carried on a packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the method before the user equipment sends the initial transmission packet, the method further includes:
  • the user equipment receives the packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the user equipment receives the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number; or
  • the user equipment receives the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • an embodiment of the present invention provides a network device, where the network device includes:
  • a receiving unit configured to receive an initial transmission packet, and obtain a hybrid automatic repeat request process number association information of the initial transmission packet
  • a determining unit configured to determine, according to the preset mapping relationship between the automatic retransmission request process number association information and the hybrid automatic repeat request process ID, to determine the hybrid corresponding to the acquired hybrid automatic repeat request process number association information Automatically retransmit the request process number.
  • the network device further includes:
  • a verification control unit configured to detect, after the determining unit determines the hybrid automatic repeat request process number corresponding to the acquired hybrid automatic repeat request process number association information, detecting the data packet in the initial transmission packet When the verification fails, the association relationship between the initial transmission packet and the hybrid automatic repeat request process number is established, and a negative response message is sent, where the negative response message is used to indicate that the user equipment sends the hybrid automatic repeat request process ID.
  • a merge demodulation unit configured to receive the retransmission packet, and according to the mapping relationship between the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process number of the retransmission packet, and The association relationship combines and demodulates the initial transmission packet and the retransmission packet.
  • the hybrid automatic repeat request process ID association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment; The initial transmission packet and the retransmission packet are received on the contention resource.
  • the network device further includes:
  • a first sending unit configured to: before the receiving unit receives the initial transmission packet, send the contention group indication information, where the contention group indication information is used to indicate the contention resource group; or
  • mapping relationship indication information configured to indicate a contention resource and a hybrid automatic repeat request process number in the contention group a set of mapping relationships
  • a third sending unit configured to send, according to the receiving unit, the contention of the contention group, the contention information of the contention group is used to indicate the contention group, and the contention group A set of mapping relationships between the contention resources and the hybrid automatic repeat request process number.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of a demodulation reference signal sequence.
  • the network device further includes:
  • a fourth sending unit configured to send, before the receiving unit receives the initial transmission packet, demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or ,
  • mapping relationship indication information configured to indicate a frequency domain comb and a hybrid automatic repeat request process of the demodulation reference signal sequence a set of mapping relationships between numbers
  • a sixth sending unit configured to send demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, before the receiving unit receives the initial transmission packet And a set of mapping relationships between the frequency domain combs of the demodulation reference signal sequence and the hybrid automatic repeat request process number.
  • the hybrid automatic repeat request process ID information is the process number modulation information carried on the packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the network device further includes:
  • a seventh sending unit configured to send, before the receiving unit receives the initial transmission packet, packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource;
  • an eighth sending unit configured to send, after the receiving unit receives the initial transmission packet, the mapping relationship indication information, where the mapping relationship indication information is used to configure the process number modulation information and the hybrid automatic repeat request carried on the packet header resource a set of mapping relationships between process numbers; or,
  • a ninth sending unit configured to: before the receiving unit receives the initial transmission packet, send header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and process number modulation carried on the packet header resource A collection of mapping relationships between information and hybrid automatic repeat request process numbers.
  • an embodiment of the present invention provides a user equipment, where the user equipment sending unit is configured to send an initial Transmitting, the initial transmission packet is used by the network device to obtain the hybrid automatic retransmission request process number association information of the initial transmission packet after receiving the initial transmission packet, and automatically retransmit the request process according to the preset hybrid
  • the hybrid automatic retransmission request process number corresponding to the acquired hybrid automatic repeat request process number association information is determined by the mapping relationship between the number of associated information and the hybrid automatic repeat request process number.
  • the user equipment further includes:
  • a receiving unit configured to: after the sending unit sends the initial transmission packet, receive a negative response message, where the negative response message is that the network device detects that the data packet verification in the initial transmission packet fails, and establishes the And sending the relationship between the initial transmission packet and the hybrid automatic repeat request process number;
  • the sending unit is further configured to: in response to the negative response message, send a retransmission packet including the hybrid automatic repeat request process number association information, where the retransmission packet is used by the network device to receive the heavy After the packet is transmitted, according to the mapping relationship between the hybrid automatic repeat request process ID association information and the hybrid automatic repeat request process number, and the association relationship, combining and demodulating the initial Passing the packet and the retransmission packet.
  • the hybrid automatic repeat request process ID association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment; The initial transmission packet and the retransmission packet are sent on the contention resource.
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive the contention group indication information, where the contention group indication information is used to indicate the location Competitive resource group; or,
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive mapping relationship indication information, where the mapping relationship indication information is used to indicate a contention resource and a hybrid automatic repeat request process in the contention resource group. a set of mapping relationships between numbers; or,
  • the receiving unit is further configured to: before the transmitting unit sends the initial transmission packet, receive the contention of the competition resource group, the comprehensive indication information of the contention group is used to indicate the contention group, and the contention group.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of a demodulation reference signal sequence.
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence Configuration information is used to configure the demodulation reference signal sequence; or
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive mapping relationship indication information, where the mapping relationship indication information is used to indicate a frequency domain comb and a hybrid automatic repeat request of the demodulation reference signal sequence. a set of mapping relationships between process numbers; or,
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal a sequence, and a set of mapping relationships between frequency domain combs of the demodulated reference signal sequence and the hybrid automatic repeat request process number.
  • the hybrid automatic repeat request process ID association information is process number modulation information carried on a packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the receiving unit is further configured to send in the sending unit Receiving the packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource;
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive mapping relationship indication information, where the mapping relationship indication information is used to configure process number modulation information and hybrid automatic retransmission carried on the packet header resource. Request a set of mapping relationships between process numbers; or,
  • the receiving unit is further configured to: before the transmitting unit sends the initial transmission packet, receive the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the process number carried on the packet header resource A set of mapping relationships between modulation information and a hybrid automatic repeat request process number.
  • an embodiment of the present invention provides a network device, including:
  • processor a processor, a memory, an interface circuit, and a bus, wherein the processor, the interface circuit, and the memory are connected by the bus and complete communication with each other;
  • the interface circuit is configured to communicate with a user equipment under control of the processor, the memory storing executable program code;
  • the processor is configured to invoke the executable program code to perform some or all of the steps as described in any of the first aspects of the embodiments of the present invention.
  • an embodiment of the present invention provides a user equipment, including:
  • processor a processor, a memory, a communication interface, and a bus, wherein the processor, the memory, and the communication interface are connected by the bus and complete communication with each other;
  • the communication interface is configured to communicate with a network device, the memory storing executable program code
  • the processor is configured to invoke the executable program code to perform some or all of the steps as described in any of the methods of the second aspect of the embodiments of the present invention.
  • an embodiment of the present invention provides a computer readable storage medium, where the computer readable storage medium stores program code.
  • the program code includes instructions for performing some or all of the steps described in any of the methods of the first aspect of the embodiments of the present invention.
  • an embodiment of the present invention provides a computer readable storage medium, where the computer readable storage medium stores program code.
  • the program code includes instructions for performing some or all of the steps described in any of the methods of the second aspect of the embodiments of the present invention.
  • the combining demodulating the initial transmission packet and the retransmission packet includes:
  • the data packet of the initial transmission packet and the data packet of the retransmission packet are combined and demodulated.
  • the process number modulation information carried on the packet header resource is encoded and decoded independently of the data packet of the initial transmission packet.
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping relationship between the network device and the user equipment through the preset hybrid automatic retransmission request process number association information and the hybrid automatic retransmission request process number
  • the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information acquired from the initial transmission packet, the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information obtained from the initial transmission packet.
  • the hybrid automatic retransmission request process number associated with the hybrid automatic repeat request process number so that the user equipment transmits the hybrid automatic repeat request process number to the network device.
  • FIG. 1 is a system architecture diagram of an exemplary communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a method for indicating an uplink transmission process number according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a hybrid automatic repeat request process number association information being a contention resource according to an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of another uplink transmission process number indication method according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a frequency domain comb tooth of a demodulation reference signal sequence according to a hybrid automatic repeat request process number associated information according to an embodiment of the present disclosure
  • FIG. 4 is a schematic flowchart of another uplink transmission process number indication method according to an embodiment of the present disclosure.
  • FIG. 5-a is a schematic diagram of process number modulation information carried on a packet header resource according to an embodiment of the present disclosure
  • FIG. 5-b is a schematic flowchart of another uplink transmission process number indication method according to an embodiment of the present disclosure.
  • FIG. 6 is a functional block diagram of a network device according to an embodiment of the present invention.
  • FIG. 7 is a functional block diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • HARQ Hybrid Automatic Repeat reQuest
  • LTE Long Term Evolution
  • eMTC Enhanced Machine Type Communication
  • Node B evolved base station
  • the UE User Equipment
  • the eNB After demodulating the data on the corresponding resource, the eNB associates the data with the HARQ process ID indicated in the scheduling signaling.
  • the eNB In the scheme of the unscheduled uplink contention transmission, since the eNB does not send a separate scheduling signaling indication for the UE, the eNB cannot indicate to the UE the HARQ process number it uses.
  • FIG. 1 is a system architecture diagram of an example communication system according to an embodiment of the present invention, including a network device, a core network device, and a user equipment.
  • the example communication system may be, for example, an existing Long Term Evolution (LTE) communication system, or may be a future communication system using 5th Generation (5G) New Air Interfaces (NR) technology.
  • the core network device may include, for example, a Mobility Management Entity (MME) or a Serving GateWay (S-GW), where the MME is mainly responsible for the signaling processing part, that is, the control plane function.
  • MME Mobility Management Entity
  • S-GW Serving GateWay
  • the S-GW is mainly responsible for the user plane function of user data forwarding, that is, routing and forwarding of data packets under the control of the MME.
  • the network device may be, for example, an LTE base station, that is, an eNB, or a base station in a future 5G network.
  • the network device is mainly responsible for radio resource management, quality of service (QoS) management, data compression, and encryption in the air interface side. At least one of them.
  • QoS quality of service
  • the eNode B is mainly responsible for forwarding control plane signaling to the MME and forwarding user plane service data to the S-GW.
  • the user equipment UE may include, for example, a handheld device having a wireless communication function, an in-vehicle device, a wearable device, a computing device, or other processing device connected to the wireless modem, and a mobile station (MS), a terminal device (Terminal Equipment) Etc., for convenience of description, in the present application, simply referred to as user equipment or UE.
  • MS mobile station
  • Terminal Equipment Terminal Equipment
  • FIG. 2 is a schematic flowchart of a method for indicating an uplink transmission process number according to an embodiment of the present invention. The method is described from multiple sides of a network device and a user equipment, as shown in the figure, the uplink transmission is as shown in the figure.
  • the process number indication method includes the following steps:
  • the user equipment sends an initial transmission packet, where the initial transmission packet is used by the network device to obtain the hybrid automatic retransmission request process number association information of the initial transmission packet after receiving the initial transmission packet, and according to a preset
  • the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process number are set to determine a hybrid automatic repeat request process number corresponding to the acquired hybrid automatic repeat request process number association information.
  • the mapping relationship between the hybrid automatic repeat request process ID information and the hybrid automatic repeat request process ID may be associated with a specific UE, that is, different UEs may preset different associations.
  • the network device receives an initial transmission packet, and acquires a hybrid automatic repeat request process number association information of the initial transmission packet.
  • the network device determines, according to the preset mapping relationship between the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process ID, to determine the acquired hybrid automatic repeat request process number association information.
  • Hybrid automatic repeat request process number is the network device determines, according to the preset mapping relationship between the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process ID, to determine the acquired hybrid automatic repeat request process number association information.
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping relationship between the network device and the user equipment through the preset hybrid automatic retransmission request process number association information and the hybrid automatic retransmission request process number
  • the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information acquired from the initial transmission packet, the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information obtained from the initial transmission packet.
  • the hybrid automatic retransmission request process number associated with the hybrid automatic repeat request process number so that the user equipment transmits the hybrid automatic repeat request process number to the network device.
  • the network device determines the hybrid automatic repeat request process number corresponding to the acquired hybrid automatic repeat request process number association information.
  • the following operations are also performed:
  • the network device when detecting that the data packet verification in the initial transmission packet fails, establishing an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and sending a negative response message, where the negation
  • the response message is used to indicate that the user equipment sends the retransmission packet corresponding to the hybrid automatic repeat request process ID information
  • the user equipment receives a negative response message, where the network device detects that the data packet verification in the initial transmission packet fails, and establishes the initial transmission packet and the hybrid automatic repeat request process. Sent in the case of the association of the number;
  • the user equipment sends a retransmission packet including the hybrid automatic repeat request process number association information, where the retransmission packet is used by the network device after receiving the retransmission packet, And combining, according to the mapping relationship between the hybrid automatic repeat request process ID association information and the hybrid automatic repeat request process number, and the association relationship, combining and demodulating the initial transmission packet and the Re-transfer.
  • the specific implementation manner of the combined demodulation of the initial transmission packet and the retransmission packet may be: combining and demodulating the data packet of the initial transmission packet and the data packet of the retransmission packet.
  • the hybrid automatic repeat request process number association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment; And the retransmission packet is received on the competing resource.
  • the hybrid automatic repeat request process ID association information of different user equipments is carried by different competing resources.
  • the network device before receiving the initial transmission packet, the network device further performs the following operations:
  • the network device sends the contending resource group indication information, where the contending resource group indication information is used to indicate the contention resource group; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between the contention resource in the contention group and the hybrid automatic repeat request process number; or
  • the network device sends the contending resource group comprehensive indication information, where the contending resource group comprehensive indication information is used to indicate the contention resource group, and the content between the contention resource and the hybrid automatic repeat request process number in the contending resource group Mapping relationship collection.
  • the user equipment receives the contention of the contending resource group, where the contending resource group indication information is used to indicate the contention resource group; or
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between a contention resource in the contention resource group and a hybrid automatic repeat request process number; or
  • the user equipment receives the competition resource group comprehensive indication information, where the competition resource group comprehensive indication information is used to indicate the contention resource group, and the contention between the contention resource and the hybrid automatic repeat request process number in the contention group Mapping relationship collection.
  • the hybrid automatic repeat request process number association information is a frequency domain comb of a demodulation reference signal sequence.
  • the network device before receiving the initial transmission packet, the network device further performs the following operations:
  • the network device sends demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship between a frequency domain comb tooth of a demodulation reference signal sequence and a hybrid automatic repeat request process number; or
  • the integrated configuration information is used to configure the demodulation reference signal sequence, and to set a mapping relationship between a frequency domain comb and a hybrid automatic repeat request process number of the demodulation reference signal sequence.
  • the user equipment receives demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship between a frequency domain comb tooth of a demodulation reference signal sequence and a hybrid automatic repeat request process number; or
  • the user equipment receives demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and frequency domain comb and mixing of the demodulation reference signal sequence Automatically retransmit the set of mapping relationships between request process numbers.
  • the hybrid automatic repeat request process ID information is the process number modulation information carried on the packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the process number modulation information carried on the packet header resource is encoded and decoded independently of the data packet of the initial transmission packet.
  • the network device before receiving the initial transmission packet, the network device further performs the following operations:
  • the network device sends packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the network device sends the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic retransmission request process number; or
  • the network device sends the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • the user equipment receives the packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the user equipment receives the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number; or
  • the user equipment receives the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • the contention resource is a contention resource in a contention resource group configured for the user equipment;
  • the initial transmission packet and the retransmission packet are received on the contention resource.
  • a set of example mapping relationships between a preset contention resource and a hybrid automatic repeat request process number may be as shown in Table 1.
  • mapping relationship set between the foregoing defined contention resource and the hybrid automatic repeat request process ID may be associated with a specific UE, that is, different UEs may preset different contention resources and hybrid automatics. Retransmitting the mapping relationship between the request process numbers.
  • the mapping relationship corresponding to the foregoing Table 1 may be associated with the UE1.
  • the UE2, the UE3, and the UE4 may preset the associated mapping relationship set. Table 1.1 shows.
  • FIG. 3 is a schematic flowchart of another method for indicating an uplink transmission process number according to an embodiment of the present invention.
  • the method is associated with the process number of the hybrid automatic repeat request. If the information is a competitive resource, the network device and the user equipment are described on multiple sides.
  • the uplink transmission process number indication method includes the following steps:
  • the user equipment sends an initial transmission packet, where the initial transmission packet is used by the network device to acquire the competition resource of the initial transmission packet after receiving the initial transmission packet, and automatically according to the preset competition resource and the hybrid Retransmitting the mapping relationship set between the request process numbers, and determining the hybrid automatic repeat request process number corresponding to the obtained contention resource;
  • the network device receives an initial transmission packet, and acquires a competition resource of the initial transmission packet.
  • the network device determines, according to the mapping relationship between the preset contention resource and the hybrid automatic repeat request process ID, the hybrid automatic repeat request process number corresponding to the acquired contention resource;
  • the network device when detecting that the data packet verification in the initial transmission packet fails, establishing an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and sending a negative response message.
  • the negative response message is used to indicate that the user equipment sends the retransmission packet corresponding to the contention resource;
  • S305 The user equipment receives a negative response message, where the network device detects that the data packet verification in the initial transmission packet fails, and establishes the initial transmission packet and the hybrid automatic retransmission. Sent when the relationship of the process number is requested;
  • the user equipment sends a retransmission packet including the contention resource in response to the negative response message, where The retransmission packet is used by the network device, after receiving the retransmission packet, according to a mapping relationship between the contention resource of the retransmission packet and the hybrid automatic retransmission request process number, and the association Relationship, combining and demodulating the initial transmission packet and the retransmission packet.
  • the network device receives the retransmission packet, and performs combined demodulation according to a mapping relationship between the contention resource of the retransmission packet and the hybrid automatic repeat request process number, and the association relationship.
  • the initial transmission packet and the retransmission packet receives the retransmission packet, and performs combined demodulation according to a mapping relationship between the contention resource of the retransmission packet and the hybrid automatic repeat request process number, and the association relationship.
  • the mapping relationship between the preset contention resource and the hybrid automatic retransmission request process number is obtained between the network device and the user equipment, so that the user equipment is transmitting.
  • the network device can determine the hybrid automatic repeat request process number corresponding to the contention resource according to the foregoing mapping relationship set and the contention resource obtained from the initial transmission packet, thereby implementing the user equipment to transmit to the network device. Hybrid automatic repeat request process number.
  • the network device in the embodiment of the present invention can establish an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and send a negative response message to the user equipment, if the packet inspection of the initial transmission packet fails.
  • the negative response message indicates that the user equipment sends the retransmission packet corresponding to the contention resource, so that when the network device receives the retransmission packet, the network device can acquire the contention resource of the retransmission packet, and according to the foregoing association relationship, the contention resource and the hybrid automatic weight
  • the mapping relationship between the request process numbers is transmitted, and the initial transmission packet and the retransmission packet associated with the competition resource are determined, thereby implementing the combined demodulation initial transmission packet and the retransmission packet.
  • the network device before receiving the initial transmission packet, the network device further performs the following operations:
  • the network device sends the contending resource group indication information, where the contending resource group indication information is used to indicate the contention resource group; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between the contention resource in the contention group and the hybrid automatic repeat request process number; or
  • the network device sends the contending resource group comprehensive indication information, where the contending resource group comprehensive indication information is used to indicate the contention resource group, and the content between the contention resource and the hybrid automatic repeat request process number in the contending resource group Mapping relationship collection.
  • the user equipment receives the contention of the contending resource group, where the contending resource group indication information is used to indicate the contention resource group; or
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between a contention resource in the contention resource group and a hybrid automatic repeat request process number; or
  • the user equipment receives the competition resource group comprehensive indication information, where the competition resource group comprehensive indication information is used to indicate the contention resource group, and the contention between the contention resource and the hybrid automatic repeat request process number in the contention group Mapping relationship collection.
  • the hybrid automatic repeat request process number associated information is a frequency domain comb of a demodulation reference signal sequence
  • a frequency domain of the preset demodulation reference signal sequence The set of exemplary mapping relationships between the comb and the hybrid automatic repeat request process number can be as shown in Table 2 or Table 3.
  • FIG. 4 is a schematic flowchart of another method for indicating an uplink transmission process number according to an embodiment of the present invention.
  • the method is associated with the hybrid automatic repeat request process number.
  • the information is the frequency domain comb of the demodulation reference signal sequence, it is described from the network device and the user equipment.
  • the uplink transmission process number indication method includes the following steps:
  • the user equipment sends an initial transmission packet, where the initial transmission packet is used by the network device to obtain a frequency domain comb tooth of the demodulation reference signal sequence of the initial transmission packet after receiving the initial transmission packet, and according to Determining, by the preset mapping relationship between the frequency domain comb and the hybrid automatic repeat request process number of the demodulation reference signal sequence, determining a hybrid automatic repeat request corresponding to the frequency domain comb of the acquired demodulation reference signal sequence Process number
  • the network device receives an initial transmission packet, and acquires a frequency domain comb tooth of a demodulation reference signal sequence of the initial transmission packet.
  • the network device determines a frequency domain comb of the acquired demodulation reference signal sequence according to a mapping relationship between a frequency domain comb and a hybrid automatic repeat request process number of a preset demodulation reference signal sequence. The corresponding hybrid automatic repeat request process number.
  • the network device when detecting that the data packet verification in the initial transmission packet fails, establishing an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and sending a negative response message.
  • the negative response message is used to indicate that the user equipment sends the retransmission packet corresponding to the frequency domain comb of the demodulation reference signal sequence;
  • the user equipment receives a negative response message, where the network device detects that the data packet verification in the initial transmission packet fails, and establishes the initial transmission packet and the hybrid automatic retransmission. Sent when the relationship of the process number is requested;
  • the user equipment sends, in response to the negative response message, a retransmission packet including a frequency domain comb of the demodulation reference signal sequence, where the retransmission packet is used by the network device to receive the retransmission After the packet, according to the mapping relationship between the frequency domain comb of the demodulation reference signal sequence of the retransmission packet and the hybrid automatic repeat request process number, and the association relationship, combining and demodulating the initial Passing the packet and the retransmission packet.
  • the network device receives the retransmission packet, and according to a mapping relationship between a frequency domain comb of the demodulation reference signal sequence of the retransmission packet and the hybrid automatic repeat request process number, and The association relationship combines and demodulates the initial transmission packet and the retransmission packet.
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping between the frequency domain comb and the hybrid automatic retransmission request process number of the preset demodulation reference signal sequence between the network device and the user equipment a set of relationships, such that when the user equipment transmits the initial transmission packet including the frequency domain comb of the demodulation reference signal sequence, the network device can comb the frequency domain comb according to the mapping relationship set and the demodulation reference signal sequence obtained from the initial transmission packet. And determining a hybrid automatic repeat request process number corresponding to the frequency domain comb of the demodulation reference signal sequence, so that the user equipment transmits the hybrid automatic repeat request process number to the network device.
  • the network device in the embodiment of the present invention can establish an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and send a negative response message to the user equipment, if the packet inspection of the initial transmission packet fails.
  • the negative response message indicates that the user equipment sends the retransmission packet corresponding to the frequency domain comb of the demodulation reference signal sequence, so that the network device can obtain the frequency domain of the demodulation reference signal sequence of the retransmission packet when receiving the retransmission packet.
  • the network device before receiving the initial transmission packet, the network device further performs the following operations: the network device sends demodulation reference signal sequence configuration information, and the uplink transmission demodulation reference signal sequence configuration information is used. And configuring the demodulation reference signal sequence; or the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a frequency domain comb and a hybrid automatic repeat request process number of the demodulation reference signal sequence Or a set of mapping relationships; or, the network device sends demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and demodulate the reference signal A set of mapping relationships between the frequency domain combs of the sequence and the hybrid automatic repeat request process number.
  • the user equipment before the user equipment sends the initial transmission packet, the user equipment further performs the following operations: the user equipment receives demodulation reference signal sequence configuration information, and the uplink transmission demodulation reference signal sequence configuration information is used. And configuring the demodulation reference signal sequence; or the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a frequency domain comb and a hybrid automatic repeat request process number of the demodulation reference signal sequence.
  • the user equipment receives demodulation reference signal sequence synthesis configuration information, the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and demodulate the reference signal A set of mapping relationships between the frequency domain combs of the sequence and the hybrid automatic repeat request process number.
  • the packet header resource is pre-configured for the user equipment. resource of.
  • the example mapping relationship between the process number modulation information carried on the preset header resource and the hybrid automatic repeat request process number may be as shown in Table 4.
  • FIG. 5-b is a schematic flowchart of another uplink transmission process number indication method according to an embodiment of the present invention.
  • the method is associated with the hybrid automatic retransmission request process number.
  • the information is the process number modulation information carried on the packet header resource, the network device and the user equipment are described on multiple sides.
  • the uplink transmission process number indication method includes the following steps:
  • the user equipment sends an initial transmission packet, where the initial transmission packet is used by the network device to obtain the process number modulation information carried on the packet header resource of the initial transmission packet after receiving the initial transmission packet, and according to the pre- a set of mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number, and determining a hybrid automatic repeat request process number corresponding to the process number modulation information carried on the obtained packet header resource;
  • the network device receives the initial transmission packet, and obtains process ID modulation information carried on the packet header resource of the initial transmission packet.
  • the network device determines, according to the mapping relationship between the process number modulation information carried on the preset packet header resource and the hybrid automatic repeat request process ID, to determine the process number modulation information carried on the obtained packet header resource. Hybrid automatic repeat request process number.
  • the network device when detecting that the data packet verification in the initial transmission packet fails, establishing an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and sending a negative response message.
  • the negative response message is used to indicate that the user equipment sends the retransmission packet corresponding to the process number modulation information carried on the packet header resource;
  • the user equipment receives a negative response message, where the network device detects that the data packet verification in the initial transmission packet fails, and establishes the initial transmission packet and the hybrid automatic retransmission. Sent when the relationship of the process number is requested;
  • the user equipment sends, according to the negative response message, a retransmission packet including process number modulation information carried on the packet header resource, where the retransmission packet is used by the network device to receive the retransmission packet. And combining, according to the mapping relationship between the process number modulation information carried on the header resource of the retransmission packet and the hybrid automatic repeat request process number, and the association relationship, combining and demodulating the initial transmission packet And the retransmission package.
  • the network device receives the retransmission packet, and according to the mapping relationship between the process number modulation information carried on the packet header resource of the retransmission packet and the hybrid automatic retransmission request process number, and Declaring the association, combining demodulating the initial transmission packet and the retransmission packet.
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping relationship between the process number modulation information carried by the preset packet header resource and the hybrid automatic retransmission request process number between the network device and the user equipment
  • the network device can determine, according to the foregoing mapping relationship set and the process number modulation information carried on the packet header resource obtained from the initial transmission packet, when the user equipment sends the initial transmission packet including the process number modulation information carried on the packet header resource.
  • the hybrid automatic repeat request process number corresponding to the process number modulation information carried on the packet header resource, so that the user equipment transmits the hybrid automatic repeat request process number to the network device.
  • the network device in the embodiment of the present invention can establish an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and send a negative response message to the user equipment, if the packet inspection of the initial transmission packet fails.
  • the negative response message indicates that the user equipment sends the retransmission packet corresponding to the process number modulation information carried on the packet header resource, so that when the network device receives the retransmission packet, the network device can obtain the process number modulation information carried on the packet header resource of the retransmission packet.
  • the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number determines the initial transmission packet and the retransmission packet associated with the process number modulation information carried on the packet header resource, thereby implementing Combine demodulation of the initial transmission packet and the retransmission packet.
  • the network device before receiving the initial transmission packet, the network device further performs the following operations:
  • the network device sends packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the network device sends the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic retransmission request process number; or
  • the network device sends the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • the user equipment receives the packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the user equipment receives the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number; or
  • the user equipment receives the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • FIG. 6 is a functional block diagram of a network device according to an embodiment of the present invention.
  • the network device 600 can include a receiving unit 601 and a determining unit 602, where:
  • the receiving unit 601 is configured to receive the initial transmission packet, and obtain the hybrid automatic repeat request process number association information of the initial transmission packet.
  • the determining unit 602 is configured to determine, according to the preset mapping relationship between the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process ID, to determine the acquired hybrid automatic repeat request process number association information. Hybrid automatic repeat request process number.
  • the network device further includes:
  • a verification control unit configured to detect, after the determining unit determines the hybrid automatic repeat request process number corresponding to the acquired hybrid automatic repeat request process number association information, detecting the data packet in the initial transmission packet When the verification fails, the association relationship between the initial transmission packet and the hybrid automatic repeat request process number is established, and a negative response message is sent, where the negative response message is used to indicate that the user equipment sends the hybrid automatic repeat request process ID.
  • a merge demodulation unit configured to receive the retransmission packet, and according to the mapping relationship between the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process number of the retransmission packet, and The association relationship combines and demodulates the initial transmission packet and the retransmission packet.
  • the hybrid automatic repeat request process ID association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment; the initial transmission packet and the retransmission packet It was received on the competing resources.
  • the network device further includes:
  • a first sending unit configured to: before the receiving unit receives the initial transmission packet, send the contention group indication information, where the contention group indication information is used to indicate the contention resource group; or
  • mapping relationship indication information configured to indicate a contention resource and a hybrid automatic repeat request process number in the contention group a set of mapping relationships
  • a third sending unit configured to send, according to the receiving unit, the contention of the contention group, the contention information of the contention group is used to indicate the contention group, and the contention group A set of mapping relationships between the contention resources and the hybrid automatic repeat request process number.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of the demodulation reference signal sequence.
  • the network device further includes:
  • a fourth sending unit configured to send, before the receiving unit receives the initial transmission packet, demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or ,
  • mapping relationship indication information configured to indicate a frequency domain comb and a hybrid automatic repeat request process of the demodulation reference signal sequence a set of mapping relationships between numbers
  • a sixth sending unit configured to send demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, before the receiving unit receives the initial transmission packet And a set of mapping relationships between the frequency domain combs of the demodulation reference signal sequence and the hybrid automatic repeat request process number.
  • the hybrid automatic repeat request process ID information is the process number modulation information carried on the packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the network device further includes:
  • a seventh sending unit configured to send, before the receiving unit receives the initial transmission packet, packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource;
  • an eighth sending unit configured to send, after the receiving unit receives the initial transmission packet, the mapping relationship indication information, where the mapping relationship indication information is used to configure the process number modulation information and the hybrid automatic repeat request carried on the packet header resource a set of mapping relationships between process numbers; or,
  • a ninth sending unit configured to: before the receiving unit receives the initial transmission packet, send header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and process number modulation carried on the packet header resource A collection of mapping relationships between information and hybrid automatic repeat request process numbers.
  • network device 600 is presented in the form of a unit.
  • a "unit” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the functionality described above.
  • a person skilled in the art may know that the composition of the network device 600 may specifically be the network device shown in FIG.
  • the function of the receiving unit 601 may be implemented by the network device shown in FIG. 8.
  • the processor 801 may call the executable program code in the memory 803, and receive the initial transmission packet through the interface circuit 802.
  • the uplink transmission process number indication method provided by the embodiment of the present invention is between the network device and the user equipment.
  • the set of mapping relationship between the request process number association information and the hybrid automatic repeat request process ID is automatically retransmitted by the preset hybrid, so that the user equipment sends the initial transmission packet including the hybrid automatic repeat request process number association information, and the network
  • the device can determine the hybrid automatic repeat request process number corresponding to the hybrid automatic repeat request process association information according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information obtained from the initial transmission packet, thereby implementing the user equipment.
  • the hybrid automatic repeat request process number is passed to the network device.
  • FIG. 7 is a functional block diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment 700 can include a sending unit 701, where:
  • the sending unit 701 is configured to send an initial transmission packet, where the initial transmission packet is used by the network device to obtain the hybrid automatic retransmission request process number association information of the initial transmission packet after receiving the initial transmission packet, and according to the pre- And setting a mapping relationship between the hybrid automatic repeat request process ID information and the hybrid automatic repeat request process number, and determining a hybrid automatic repeat request process number corresponding to the obtained hybrid automatic repeat request process number association information.
  • the user equipment further includes:
  • a receiving unit configured to: after the sending unit sends the initial transmission packet, receive a negative response message, where the negative response message is that the network device detects that the data packet verification in the initial transmission packet fails, and establishes the And sending the relationship between the initial transmission packet and the hybrid automatic repeat request process number;
  • the sending unit 701 is further configured to: in response to the negative response message, send a retransmission packet including the hybrid automatic repeat request process number association information, where the retransmission packet is used by the network device to receive the After retransmitting the packet, according to the mapping relationship between the hybrid automatic retransmission request process number association information and the hybrid automatic repeat request process number of the retransmission packet, and the association relationship, combining and demodulating the The initial packet and the retransmission packet.
  • the hybrid automatic repeat request process number association information is a contention resource, where the contention resource is a contention resource in a contention resource group configured for the user equipment; the initial transmission packet and the retransmission packet Is sent on the competing resources.
  • the receiving unit is further configured to: before the transmitting unit sends the initial transmission packet, receive the contention of the contending resource group, where the contention of the contending resource group is used to indicate the contention group; or
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive mapping relationship indication information, where the mapping relationship indication information is used to indicate a contention resource and a hybrid automatic repeat request process in the contention resource group. a set of mapping relationships between numbers; or,
  • the receiving unit is further configured to: before the transmitting unit sends the initial transmission packet, receive the contention of the competition resource group, the comprehensive indication information of the contention group is used to indicate the contention group, and the contention group.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of the demodulation reference signal sequence.
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation Reference signal sequence; or,
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive mapping relationship indication information, where the mapping relationship indication information is used to indicate a frequency domain comb and a hybrid automatic repeat request of the demodulation reference signal sequence. a set of mapping relationships between process numbers; or,
  • the receiving unit is further configured to receive a demodulation reference signal sequence before the sending unit sends the initial transmission packet Configuration information, the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and the mapping relationship between the frequency domain comb and the hybrid automatic repeat request process number of the demodulation reference signal sequence set.
  • the hybrid automatic repeat request process ID information is the process number modulation information carried on the packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the receiving unit is further configured to: before the transmitting unit sends the initial transmission packet, receive the packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the receiving unit is further configured to: before the sending unit sends the initial transmission packet, receive mapping relationship indication information, where the mapping relationship indication information is used to configure process number modulation information and hybrid automatic retransmission carried on the packet header resource. Request a set of mapping relationships between process numbers; or,
  • the receiving unit is further configured to: before the transmitting unit sends the initial transmission packet, receive the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the process number carried on the packet header resource A set of mapping relationships between modulation information and a hybrid automatic repeat request process number.
  • user device 700 is presented in the form of a unit.
  • a "unit” herein may refer to an application-specific integrated circuit (ASIC), a processor and memory that executes one or more software or firmware programs, integrated logic circuits, and/or other devices that provide the functionality described above.
  • a person skilled in the art may know that the user equipment 700 may be in the form of a user equipment as shown in FIG. 8.
  • the function of the sending unit 701 may be implemented by the user equipment shown in FIG. 9.
  • the processor 901 may call the executable program code in the memory 903, and send the initial transmission packet through the communication interface 902.
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping relationship between the network device and the user equipment through the preset hybrid automatic retransmission request process number association information and the hybrid automatic retransmission request process number
  • the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information acquired from the initial transmission packet, the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information obtained from the initial transmission packet.
  • the hybrid automatic retransmission request process number associated with the hybrid automatic repeat request process number so that the user equipment transmits the hybrid automatic repeat request process number to the network device.
  • FIG. 8 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • the network device includes a processor 801 and an interface circuit 802, a memory 803, and a bus 804.
  • the processor 801, the interface circuit 802, and the memory 803 are connected by a bus 804 and complete communication with each other.
  • the network device further includes a communication interface 805, configured to communicate with other devices on the network side, where other devices on the network side include, but are not limited to, other network devices, or core network devices.
  • the interface circuit 802 is configured to communicate with a user equipment under the control of the processor 801, where the memory 803 stores executable program code;
  • the processor 801 is configured to invoke the executable program code to perform the following operations:
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping relationship between the network device and the user equipment through the preset hybrid automatic retransmission request process number association information and the hybrid automatic retransmission request process number
  • the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information acquired from the initial transmission packet, the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information obtained from the initial transmission packet.
  • the hybrid automatic retransmission request process number associated with the hybrid automatic repeat request process number so that the user equipment transmits the hybrid automatic repeat request process number to the network device.
  • the method further includes:
  • the network device when detecting that the data packet verification in the initial transmission packet fails, establishing an association relationship between the initial transmission packet and the hybrid automatic repeat request process number, and sending a negative response message, where the negation
  • the response message is used to indicate that the user equipment sends the retransmission packet corresponding to the hybrid automatic repeat request process ID information
  • the hybrid automatic repeat request process ID association information is a contention resource, where the contention resource is a contention resource in a contention group configured for the user equipment; the initial transmission packet and the retransmission packet It was received on the competing resources.
  • the method before the network device receives the initial transmission packet, the method further includes:
  • the network device sends the contending resource group indication information, where the contending resource group indication information is used to indicate the contention resource group; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between the contention resource in the contention group and the hybrid automatic repeat request process number; or
  • the network device sends the contending resource group comprehensive indication information, where the contending resource group comprehensive indication information is used to indicate the contention resource group, and the content between the contention resource and the hybrid automatic repeat request process number in the contending resource group Mapping relationship collection.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of the demodulation reference signal sequence.
  • the method before the network device receives the initial transmission packet, the method further includes:
  • the network device sends demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or
  • the network device sends mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship between a frequency domain comb tooth of a demodulation reference signal sequence and a hybrid automatic repeat request process number; or
  • the network device sends demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and frequency domain comb and mixing of the demodulation reference signal sequence Automatically retransmit the set of mapping relationships between request process numbers.
  • the hybrid automatic repeat request process ID information is the process number modulation information carried on the packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the method before the network device receives the initial transmission packet, the method further includes:
  • the network device sends packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the network device sends the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic retransmission request process number; or
  • the network device sends the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and the mapping relationship between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number set.
  • the processor 801 herein may be a processor or a collective name of multiple processing elements.
  • the processor may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present invention.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • DSPs digital signal processors
  • FPGAs Field Programmable Gate Arrays
  • the memory 803 may be a storage device or a collective name of a plurality of storage elements, and is used to store executable program code or parameters, data, and the like required for the operation of the access network management device. And the memory 803 may include random access memory (RAM), and may also include non-volatile memory such as a magnetic disk memory, a flash memory, or the like.
  • RAM random access memory
  • the bus 804 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 804 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 8, but it does not mean that there is only one bus or one type of bus.
  • each unit function can be implemented based on the structure of the network device.
  • FIG. 9 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment provided by the embodiment of the present invention includes a processor 901 and a communication interface 902, a memory 903, and a bus 904.
  • the processor 901, the communication interface 902, and the memory 903 are connected by a bus 904 and complete communication with each other.
  • the communication interface 902 is configured to communicate with a network device under the control of the processor 901, where the memory 903 stores executable program code;
  • the processor 901 is configured to invoke the executable program code to perform the following operations:
  • the uplink transmission process number indication method provided by the embodiment of the present invention, the mapping relationship between the network device and the user equipment through the preset hybrid automatic retransmission request process number association information and the hybrid automatic retransmission request process number
  • the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information acquired from the initial transmission packet, the network device is configured to determine, according to the foregoing mapping relationship set and the hybrid automatic retransmission request process number association information obtained from the initial transmission packet.
  • the hybrid automatic retransmission request process number associated with the hybrid automatic repeat request process number, thereby implementing the user equipment The hybrid automatic repeat request process number is passed to the network device.
  • the method further includes:
  • the user equipment receives a negative response message, where the network device detects that the data packet verification in the initial transmission packet fails, and establishes the initial transmission packet and the hybrid automatic repeat request process. Sent in the case of the association of the number;
  • the user equipment sends a retransmission packet including the hybrid automatic repeat request process number association information, where the retransmission packet is used by the network device after receiving the retransmission packet, And combining, according to the mapping relationship between the hybrid automatic repeat request process ID association information and the hybrid automatic repeat request process number, and the association relationship, combining and demodulating the initial transmission packet and the Re-transfer.
  • the hybrid automatic repeat request process number association information is a contention resource, where the contention resource is a contention resource in a contention resource group configured for the user equipment; the initial transmission packet and the retransmission packet Is sent on the competing resources.
  • the method before the user equipment sends the initial transmission packet, the method further includes:
  • the user equipment receives the contention of the contending resource group, where the contending resource group indication information is used to indicate the contention resource group; or
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship set between a contention resource in the contention resource group and a hybrid automatic repeat request process number; or
  • the user equipment receives the competition resource group comprehensive indication information, where the competition resource group comprehensive indication information is used to indicate the contention resource group, and the contention between the contention resource and the hybrid automatic repeat request process number in the contention group Mapping relationship collection.
  • the hybrid automatic repeat request process ID association information is a frequency domain comb of the demodulation reference signal sequence.
  • the method before the user equipment sends the initial transmission packet, the method further includes:
  • the user equipment receives demodulation reference signal sequence configuration information, where the uplink transmission demodulation reference signal sequence configuration information is used to configure the demodulation reference signal sequence; or
  • the user equipment receives mapping relationship indication information, where the mapping relationship indication information is used to indicate a mapping relationship between a frequency domain comb tooth of a demodulation reference signal sequence and a hybrid automatic repeat request process number; or
  • the user equipment receives demodulation reference signal sequence synthesis configuration information, where the uplink transmission demodulation reference signal sequence synthesis configuration information is used to configure the demodulation reference signal sequence, and frequency domain comb and mixing of the demodulation reference signal sequence Automatically retransmit the set of mapping relationships between request process numbers.
  • the hybrid automatic repeat request process ID information is the process number modulation information carried on the packet header resource, where the header resource is a resource pre-configured for the user equipment.
  • the method before the user equipment sends the initial transmission packet, the method further includes:
  • the user equipment receives the packet header resource configuration information, where the packet header resource configuration information is used to configure the packet header resource; or
  • the user equipment receives the mapping relationship indication information, where the mapping relationship indication information is used to configure a mapping relationship set between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number; or
  • the user equipment receives the header resource comprehensive configuration information, where the packet header resource configuration information is used to configure the packet header resource, and mapping between the process number modulation information carried on the packet header resource and the hybrid automatic repeat request process number. Relationship set.
  • the processor 901 herein may be a processor or a collective name of multiple processing elements.
  • the processor may be a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present invention.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • DSP digital singal processor
  • FPGA Field Programmable Gate Array
  • Communication interface 902 can include one or more of an antenna, at least one amplifier, a transceiver, a coupler, an LNA (Low Noise Amplifier), a duplexer, and the like.
  • the communication interface 804 can also communicate with the network device via wireless communication, which can use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service) , General Packet Radio Service), CDMA (Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), e-mail, SMS ( Short Messaging Service, short message service, etc.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • SMS Short Messaging Service, short message service, etc.
  • the memory 903 may be a storage device or a collective name of a plurality of storage elements, and is used to store executable program code or parameters, data, and the like required for the operation of the access network management device.
  • the memory 703 may include random access memory (RAM), and may also include non-volatile memory such as a magnetic disk memory, a flash memory, or the like.
  • the bus 904 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 904 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 9, but it does not mean that there is only one bus or one type of bus.
  • the user equipment may also include an input device 905 and an output device 906 coupled to the bus 904 for connection to other portions, such as the processor 901, via the bus 904.
  • each unit function can be implemented based on the structure of the user equipment.
  • each step method flow may be implemented based on the network device shown in FIG. 8 and the structure of the user equipment shown in FIG. 9 described above.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium may store a program, and the program includes some or all of the steps of any one of the uplink transmission process number indication methods described in the foregoing method embodiments.
  • the disclosed device may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a memory. A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing memory includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

L'invention concerne un procédé d'indication du nombre de processus de transmission en liaison montante et un dispositif associé. Le procédé comprend : la réception, par un dispositif de réseau, d'un paquet de transmission initial et l'acquisition d'informations d'association du nombre de processus de demande de répétition automatique hybride concernant le paquet de transmission initial ; en fonction d'un ensemble prédéfini de relations de correspondance entre les informations d'association du nombre de processus de demande de répétition automatique hybride et un nombre de processus de demande de répétition automatique hybride, la détermination, par le dispositif de réseau, du nombre de processus de demande de répétition automatique hybride correspondant aux informations d'association du nombre de processus de demande de répétition automatique hybride acquises. Selon les modes de réalisation de l'invention, un équipement d'utilisateur peut fournir un nombre de processus de demande de répétition automatique hybride à un dispositif de réseau.
PCT/CN2017/096178 2016-08-11 2017-08-07 Procédé d'indication du nombre de processus de transmission en liaison montante et dispositif associé WO2018028535A1 (fr)

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