WO2021204160A1 - 下行数据接收方法、下行数据发送及设备 - Google Patents

下行数据接收方法、下行数据发送及设备 Download PDF

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Publication number
WO2021204160A1
WO2021204160A1 PCT/CN2021/085826 CN2021085826W WO2021204160A1 WO 2021204160 A1 WO2021204160 A1 WO 2021204160A1 CN 2021085826 W CN2021085826 W CN 2021085826W WO 2021204160 A1 WO2021204160 A1 WO 2021204160A1
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Prior art keywords
harq process
mbs service
downlink data
harq
service
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PCT/CN2021/085826
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English (en)
French (fr)
Inventor
吴昱民
李娜
潘学明
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维沃移动通信有限公司
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Priority to KR1020227029122A priority Critical patent/KR20220129072A/ko
Priority to EP21783945.5A priority patent/EP4096132A4/en
Publication of WO2021204160A1 publication Critical patent/WO2021204160A1/zh
Priority to US17/956,795 priority patent/US20230027505A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/1607Details of the supervisory signal
    • H04L1/1685Details of the supervisory signal the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1864ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18Negotiating wireless communication parameters
    • H04W28/20Negotiating bandwidth
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/30Resource management for broadcast services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092Error control systems characterised by the topology of the transmission link
    • H04L2001/0093Point-to-multipoint

Definitions

  • the embodiments of the present invention relate to the field of communication technologies, and in particular to a method and equipment for receiving downlink data, and sending downlink data.
  • the Multicast and Broadcast Service (MBS) service only supports one transmission, and therefore does not support Hybrid Automatic Repeat Request (HARQ) As a result, when the MBS service is repeatedly sent, the data repeatedly sent cannot be combined and decoded, resulting in a reduction in the decoding success rate and an increase in the packet loss rate.
  • MBS Multicast and Broadcast Service
  • An object of the embodiments of the present invention is to provide a method for receiving downlink data, a method and device for sending downlink data, and to solve the problem that the MBS service does not support HARQ transmission.
  • an embodiment of the present invention provides a method for receiving downlink data, which is applied to a terminal, and includes:
  • the downlink data of the MBS service is received.
  • an embodiment of the present invention also provides a method for sending downlink data, which is applied to a network device, and includes:
  • the downlink data of the MBS service is sent.
  • an embodiment of the present invention also provides a terminal, including:
  • the first obtaining module is used to obtain the HARQ process of the MBS service
  • the first receiving module is configured to receive downlink data of the MBS service according to the HARQ process.
  • an embodiment of the present invention also provides a network device, including:
  • the second acquisition module is used to acquire the HARQ process of the MBS service
  • the first sending module is configured to send downlink data of the MBS service according to the HARQ process.
  • an embodiment of the present invention also provides a communication device, including: a processor, a memory, and a program stored on the memory and capable of running on the processor.
  • a communication device including: a processor, a memory, and a program stored on the memory and capable of running on the processor.
  • an embodiment of the present invention also provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the downlink data as described in the first aspect is implemented.
  • the specific MBS service can be sent and retransmitted through the corresponding HARQ process, so that the terminal can combine and decode the data repeatedly sent from the network side to improve the decoding success rate, thereby improving the specific MBS service Reliability of delivery.
  • FIG. 1 is a schematic diagram of the architecture of a wireless communication system according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for receiving downlink data according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for sending downlink data according to an embodiment of the present invention
  • Figure 4 is a schematic diagram of a terminal according to an embodiment of the present invention.
  • Figure 5 is a schematic diagram of a network device according to an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of a communication device according to an embodiment of the present invention.
  • MBMS services can be sent in the following two ways:
  • MBMS/MBS transmission method 1 Send through the physical multicast channel (Physical Multicast Channel, PMCH) in the MBMS Single Frequency Network (Multimedia Broadcast Multicast Service Single Frequency Network, MBSFN) subframe.
  • PMCH Physical Multicast Channel
  • MBSFN Multimedia Broadcast Multicast Service Single Frequency Network
  • the control information is sent through system information (for example, SIB13) and a broadcast control channel (Multicast Control Channel, MCCH), and data is sent through a broadcast service channel (Multicast Traffic Channel, MTCH).
  • system information for example, SIB13
  • MCCH Multicast Control Channel
  • MTCH Multicast Traffic Channel
  • MBMS/MBS transmission mode 2 Transmission via a physical downlink control channel (Physical Downlink Shared Channel, PDSCH) scheduled by a physical downlink control channel (Physical Downlink Control Channel, PDCCH).
  • control information is sent through system information (for example, SIB20) and Single Cell Multicast Control Channel (SC-MCCH), and data is sent through Single Cell Multicast Traffic Channel (SC-MTCH) .
  • SC-MCCH is sent through the PDSCH scheduled by the Single Cell Radio Network Temporary Identity (SC-RNTI) PDCCH
  • SC-MTCH Single Cell Multicast Traffic Channel
  • BWP Bandwidth Part
  • the network side can configure up to four BWPs corresponding to different operating frequency information.
  • the network side may indicate the activated BWP through Downlink Control Information (DCI) signaling.
  • DCI Downlink Control Information
  • the terminal can only have one active BWP at the same time.
  • words such as “exemplary” or “for example” are used to represent examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • LTE Long Time Evolution
  • LTE-A Long Time Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single Carrier Frequency Single-carrier Frequency-Division Multiple Access
  • the terms “system” and “network” are often used interchangeably.
  • the CDMA system can implement radio technologies such as CDMA2000 and Universal Terrestrial Radio Access (UTRA).
  • UTRA includes Wideband Code Division Multiple Access (WCDMA) and other CDMA variants.
  • the TDMA system can implement radio technologies such as the Global System for Mobile Communication (GSM).
  • OFDMA system can realize such as Ultra Mobile Broadband (UMB), Evolved UTRA (Evolution-UTRA, E-UTRA), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash-OFDM, etc. Radio technology.
  • UMB Ultra Mobile Broadband
  • Evolution-UTRA Evolved UTRA
  • E-UTRA IEEE 802.11
  • WiMAX IEEE 802.16
  • IEEE 802.20 Flash-OFDM
  • Flash-OFDM Flash-OFDM
  • LTE and more advanced LTE are new UMTS versions that use E-UTRA.
  • UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3GPP).
  • CDMA2000 and UMB are described in documents from an organization named “3rd Generation Partnership Project 2" (3GPP2).
  • the techniques described in this article can be used for the systems and radio technologies mentioned above, as well as other systems and radio technologies.
  • FIG. 1 it is a schematic diagram of the architecture of a wireless communication system according to an embodiment of the present invention.
  • the wireless communication system may include: a network device 10, a network device 11, and a terminal 12.
  • the terminal 12 may be denoted as UE12, and the terminal 12 may communicate with the network device 10 and the network device 11 (transmitting signaling or transmitting data).
  • the connection between the above-mentioned various devices may be a wireless connection.
  • a solid line is shown in FIG. 1.
  • the network equipment 10 and the network equipment 11 provided in the embodiments of the present invention may be base stations, which may be commonly used base stations, evolved node base stations (eNBs), or network equipment in a 5G system (For example, next-generation base station (next generation node base station, gNB) or transmission and reception point (transmission and reception point, TRP)) and other equipment.
  • base stations which may be commonly used base stations, evolved node base stations (eNBs), or network equipment in a 5G system (For example, next-generation base station (next generation node base station, gNB) or transmission and reception point (transmission and reception point, TRP)) and other equipment.
  • eNBs evolved node base stations
  • gNB next generation node base station
  • TRP transmission and reception point
  • the terminal 12 provided in the embodiment of the present invention may be a mobile phone, a tablet computer, a notebook computer, an Ultra-Mobile Personal Computer (UMPC), a netbook or a Personal Digital Assistant (PDA), a mobile Internet device (Mobile Internet Device (MID), Wearable Device (Wearable Device), or in-vehicle equipment, etc.
  • UMPC Ultra-Mobile Personal Computer
  • PDA Personal Digital Assistant
  • MID Mobile Internet Device
  • Wearable Device Wearable Device
  • in-vehicle equipment etc.
  • an embodiment of the present invention provides a method for receiving downlink data.
  • the execution subject of the method may be a terminal, and includes: step 201 and step 202.
  • Step 201 Obtain the HARQ process of the MBS service
  • MBS service refers to part of MBS service or specific MBS service, that is, HARQ process can be used for transmission of part or specific MBS service, for example, MBS service corresponding to specific cell, MBS service corresponding to specific transmission node, or specific MBS service. MBS services in the frequency range, etc.
  • Step 202 Receive the downlink data of the MBS service according to the HARQ process.
  • the UE when the network side retransmits the sending of the downlink data of the MBS service, the UE combines and decodes the retransmitted data of the MBS service and the data of the previously received MBS service according to the HARQ process. For example, if the G-RNTI-1 PDCCH schedules the initial transmission of HARQ-1, and the C-RNTI PDCCH schedules the retransmission of HARQ-1, the UE combines and decodes the initially transmitted data and the retransmitted data.
  • part or specific MBS services can be received through a specific HARQ process, so that the terminal can combine and decode the data repeatedly sent from the network side to improve the decoding success rate, thereby increasing the partial or specific MBS Reliability of service delivery.
  • the method further includes: receiving instruction information, the instruction information instructing the terminal to send or not send HARQ feedback information according to the downlink data reception status of the MBS service.
  • step 202 the transmission configuration of the downlink data of the MBS service is acquired; according to the HARQ process and the transmission configuration, the downlink data of the MBS service is received.
  • the sending configuration of the downlink data of the MBS service includes: multiple sending positions are included in one downlink data sending cycle of the MBS service.
  • each of the multiple sending locations corresponds to the transmission of new data; or, each of the multiple sending locations corresponds to the transmission of the same data.
  • the HARQ transmission version of each transmission location is agreed by the protocol or configured by the network side. For example, when each transmission location of the multiple transmission locations corresponds to the transmission of the same data, the transmission version of the multiple transmission locations The HARQ transmission version is the same or different.
  • the sending configuration of the downlink data of the MBS service includes: the retransmission mode of the HARQ process of the MBS service or the unicast service.
  • the retransmission manner of the HARQ process includes any one of the following:
  • the first transmission of MBS service is sent through the "multicast scheduling transmission mode”, and the retransmission is sent through the "unicast scheduling transmission mode”. Both use the same HARQ process, but the "scheduling transmission mode" is different.
  • the scheduling transmission mode corresponding to the MBS or unicast service includes at least one of the following:
  • the identifier of the scheduled transmission mode corresponding to the retransmission is indicated by the network side.
  • receiving downlink data of the MBS service includes:
  • the downlink data of the MBS service is received.
  • the downlink data receiving rule includes one or more of the following:
  • the priority corresponding to the scheduling transmission mode corresponding to the unicast service is higher than the priority corresponding to the scheduling transmission mode corresponding to the multicast service.
  • the UE will receive the multicast service first.
  • the logical channel priority of the multicast service-1 is higher than that of the multicast service-2.
  • Logical channel priority the UE preferentially receives multicast service-1.
  • the service identifier includes at least one of the following: an identifier of a specific MBS service and an identifier of a unicast service.
  • the downlink data receiving rule is configured by the network side, agreed by a protocol, or determined by the terminal.
  • the terminal determines the downlink data receiving rule according to the receiving interest of the service.
  • the UE has a higher receiving interest for the TMGI-1 service than the TMGI-2 service.
  • the UE is more interested in receiving MBS services than unicast services.
  • the HARQ process for acquiring MBS services includes:
  • the HARQ configuration information includes one or more of the following:
  • the configuration mode of the MBS available HARQ process number includes any one: the starting HARQ process number and the available HARQ process number; the ending HARQ process number and the available HARQ process number; the HARQ process number that is explicitly indicated; Start HARQ process number and end HARQ process number.
  • HARQ configuration information can be used for part or specific MBS services.
  • the starting HARQ process number and the ending HARQ process number are configured by the network side or agreed upon by a protocol.
  • the HARQ configuration information of the MBS service includes any one of the following:
  • the HARQ configuration information of each MBS service can be independent.
  • the HARQ configuration information has a corresponding relationship with one or more MBS services, and the corresponding relationship is configured on the network side or agreed upon by a protocol.
  • the HARQ process pool to which the HARQ process available for the MBS service belongs is the same as the HARQ process pool to which the HARQ process available for unicast service belongs;
  • the HARQ process available for the MBS service cannot be used for the initial transmission of the unicast service.
  • the HARQ process pool to which the HARQ process available for the MBS service belongs is different from the HARQ process pool to which the HARQ process available for unicast service belongs.
  • the MBS service can be sent and retransmitted through a specific HARQ process, thereby improving the reliability of sending the MBS service.
  • an embodiment of the present invention also provides a method for sending downlink data.
  • the method is executed by a network device, and specifically includes: step 301 and step 302.
  • Step 301 Obtain the HARQ process of the MBS service
  • MBS service refers to part of MBS service or specific MBS service, that is, HARQ process can be used for part or specific MBS service.
  • Step 302 Send the downlink data of the MBS service according to the HARQ process.
  • acquiring the sending configuration of the downlink data of the MBS service sending the downlink data of the MBS service according to the HARQ process and the sending configuration.
  • the method further includes: sending instruction information, the instruction information instructing the terminal to send or not send HARQ feedback information according to the downlink data reception status of the MBS service.
  • the MBS service can be sent and retransmitted through a specific HARQ process, thereby improving the reliability of sending the MBS service.
  • Step 1 The network side configuration or agreement agrees that the MBS service receives the corresponding HARQ configuration information.
  • Step 2 According to the HARQ configuration information, the UE receives the corresponding downlink data of the MBS service and sends the corresponding feedback information.
  • the "MBS service receiving corresponding HARQ configuration information" may indicate whether HARQ feedback indication information needs to be sent.
  • the network indicates that for the reception of PDSCH corresponding to MBS service-1, the UE needs to send HARQ feedback information.
  • the configuration mode of "HARQ configuration information” includes any one of the following:
  • the MBS service corresponding to a specific cell receives corresponding HARQ configuration information
  • the MBS service corresponding to cell-1 receives corresponding HARQ configuration information.
  • the MBS service corresponding to a specific transmission node receives corresponding HARQ configuration information
  • the MBS service corresponding to the transmission node-1 receives the corresponding HARQ configuration information.
  • the MBS service corresponding to a specific frequency range receives corresponding HARQ configuration information
  • the MBS service corresponding to BWP-1 receives corresponding HARQ configuration information.
  • the MBS corresponding to a specific cell receives the corresponding HARQ configuration information
  • the network side configuration or agreement stipulates that one or more MBS services correspond to the MBS to receive the corresponding HARQ configuration information.
  • the MBS corresponding to the Temporary Mobile Group Identity (TMGI)-1 receives the corresponding HARQ configuration information.
  • TMGI Temporary Mobile Group Identity
  • the "identification of a specific cell” includes any combination of one or more of the following:
  • the identification of the primary cell group (Master Cell Group, MCG) or the secondary cell group (Secondary Cell Group, SCG).
  • a primary cell Primary Cell, PCell
  • a secondary cell Secondary Cell, SCell
  • a primary secondary cell Primary Secondary Cell, PSCell
  • a special cell special Cell, SpCell
  • SCell-1 For example, SCell-1.
  • PCI Physical Cell Identifier
  • PCI-1 For example, PCI-1.
  • the "identification of a specific transmission node” includes any combination of one or more of the following:
  • TRP Transmission Point
  • TRP-1 For example, TRP-1.
  • PCI-1 For example, PCI-1.
  • Synchronous Signal Block (SSB)-1 and/or Channel State Information-Reference Signal (CSI-RS)-1.
  • SSB Synchronous Signal Block
  • CSI-RS Channel State Information-Reference Signal
  • control resource group (Control Resource Set, CORESET) identifier of the Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH), and/or the search space (search space) identifier.
  • SSB identification For example, SSB identification, and/or CSI-RS identification.
  • the "identification of a specific frequency range” includes any combination of one or more of the following:
  • Bandwidth part (Bandwidth part, BWP) identification
  • BWP-1 For example, BWP-1.
  • ARFCN Absolute Radio Frequency Channel Number
  • the absolute radio frequency channel number start position (ARFCN-start).
  • the absolute radio frequency channel number end position (ARFCN-end).
  • PRB-1 For example, PRB-1.
  • the "identification of a specific MBS service” includes any combination of one or more of the following:
  • TMGI-1 For example, TMGI-1.
  • MTCH Multicast Traffic Channel
  • DRB Data Radio Bearer
  • MRB MBMS Point to Multipoint Radio Bearer
  • the quality of service (Quality of Service, QoS) flow (flow)-1.
  • PDU Session Session-1.
  • SAI Service Area Identity
  • MBSFN-1 sends the cell list of the MBS service
  • the air interface sends the area identifier of the MBS service (for example, MBS area 1).
  • the trunk group radio network temporary identifier (GERAN Radio Network Temporary Identifier, G-RNTI)-1
  • G-RNTI GERAN Radio Network Temporary Identifier
  • the MBS service TMGI-1 is sent through downlink semi-persistent scheduling (Semi-Persistent Scheduling, SPS).
  • the "HARQ configuration information" includes any combination of one or more of the following:
  • HARQ processes numbered 0-3.
  • the relationship between the "HARQ process available for MBS” and the "HARQ process available for unicast service” includes any one of the following:
  • Relationship 1 "HARQ processes available for MBS” and “HARQ processes available for unicast services” share the same HARQ process pool.
  • the total HARQ process number of the UE is "0-15" (16 in total), the "HARQ process available for MBS” is “0-7”, and the “HARQ process available for unicast service” is "8-15".
  • the HARQ process of the MBS cannot be used for the initial transmission of unicast services.
  • C-RNTI Cell Radio Network Temporary Identifier
  • Relation 2 "HARQ processes available for MBS” and “HARQ processes available for unicast services” use independent HARQ process pools.
  • the MBS service of the UE has 8 HARQ processes dedicated to MBS (for example, the HARQ process number is "0-7"), while for unicast services there are 16 HARQ processes dedicated to unicast (for example, HARQ The process number is "0-15").
  • the "Unicast Service Identifier" corresponding to the "HARQ process available for unicast service” includes at least one of the following:
  • the Cell Radio Network Temporary Identity (C-RNTI)-1 that is, the unicast service DRB-1 sent by the UE through the PDSCH scheduled by the PDCCH identified by the C-RNTI-1.
  • C-RNTI Cell Radio Network Temporary Identity
  • the unicast service DRB-1 is sent through the downlink SPS.
  • DRB-1 DRB-1.
  • DTCH-1 For example, DTCH-1.
  • DRB-1 DRB-1.
  • QoS flow-1 For example, QoS flow-1.
  • PDU Session-1 For example, PDU Session-1.
  • the configuration method of the "MBS available HARQ process number" includes any one of the following:
  • the "start HARQ process” is 5
  • the "number of available HARQ processes” is 5
  • the "MBS available HARQ process number” is "5-9".
  • the available HARQ processes are 4 HARQ processes "0, 2, 4, 6".
  • the "start HARQ process” is 5
  • the end HARQ process number is 9
  • the "MBS available HARQ process number” is "5-9"
  • the "start HARQ process number” or “end HARQ process number” is a network configuration or protocol agreement.
  • the agreement agrees to start with the number "0", or the network configuration starts with the number "5".
  • the number of the HARQ process corresponds to a specific time position.
  • the "start HARQ process” is 5
  • the "number of available HARQ processes” is 5
  • the system frame number (System Frame Number, SFN) of the semi-persistent PDSCH eg, SPS PDSCH
  • the time slot (Slot) is 6
  • the HARQ process corresponding to the number 1 is 5
  • the HARQ process corresponding to the next semi-persistent PDSCH is 6.
  • the network side configuration or protocol stipulates that there can be multiple sending positions in one data sending cycle.
  • the network side configures the MBS service to be sent through a semi-continuous data channel at a period of 10 milliseconds (ms), and there are 2 sending positions in each period.
  • the network side configuration or agreement stipulates that the sending mode of the "multiple sending positions in one data sending cycle" includes any one of the following:
  • Each sending location corresponds to the transmission of its own new data
  • the network side configures the MBS service to be sent through a semi-continuous data channel at a period of 10 ms, and there are 2 sending positions in each period.
  • Sending location 1 uses HARQ process 1 to send new data
  • sending location 2 uses HARQ process 2 to send new data.
  • Each sending location corresponds to the transmission of the same data (including: new transmission and retransmission);
  • the network side configures the MBS service to be sent through a semi-continuous data channel at a period of 10ms, and there are 2 sending positions in each cycle.
  • Sending position 1 uses HARQ process 1 to send new data
  • sending position 2 uses HARQ process 1 to send retransmissions. data.
  • the network side configuration or protocol stipulates the HARQ transmission version of the multiple transmission positions.
  • the network side configures the MBS service to be sent through a semi-continuous data channel at a period of 10 ms, and there are 2 sending positions in each period.
  • the Redundancy Version (RV) of sending new data using HARQ process 1 in sending position 1 is 0, and the RV of sending retransmitted data using HARQ process 1 in sending position 2 is 2.
  • the retransmission mode of the HARQ process of the specific service includes any one of the following:
  • the PDSCH scheduled through the G-RNTI-1 PDCCH is retransmitted or the MBS semi-persistent PDSCH is retransmitted.
  • the initial transmission of the HARQ process-1 of the MBS service scheduled through G-RNTI-1 PDCCH, and the retransmission of the HARQ process-1 of the MBS service through the PDSCH scheduled by C-RNTI-1 PDCCH For example, the initial transmission of the HARQ process-1 of the MBS service scheduled through G-RNTI-1 PDCCH, and the retransmission of the HARQ process-1 of the MBS service through the PDSCH scheduled by C-RNTI-1 PDCCH.
  • the initial transmission of the HARQ process-1 of the MBS service sent through the MBS semi-persistent PDSCH is retransmitted through the PDSCH scheduled by the C-RNTI-1 PDCCH or through the unicast semi-persistent PDSCH.
  • the "scheduling transmission mode corresponding to a specific service” includes at least one of the following:
  • the PDSCH scheduled by G-RNTI-1 and PDCCH is used to transmit MBS service-1.
  • the unicast service is transmitted through the PDSCH scheduled by the C-RNTI or the configured scheduling RNTI (Configured Scheduling RNTI, CS-RNTI) PDCCH.
  • the configured scheduling RNTI Configured Scheduling RNTI, CS-RNTI
  • the MBS service-1 is sent through the PDSCH of SPS-1.
  • the unicast service is sent through the PDSCH of SPS-2.
  • the network side indicates the service identifier corresponding to the retransmission.
  • the "business identity” includes any of the following:
  • the scenario of "indicating the service identifier corresponding to the retransmission” may be agreed according to the network configuration or protocol: the unicast service allows the HARQ process of MBS to be used for the initial transmission of the unicast service.
  • the UE when the network side retransmits the sending of MBS downlink data, the UE combines and decodes the retransmitted data of the MBS service and the data previously received for the MBS service according to the retransmission instruction information of the network side.
  • the UE combines and decodes the initially transmitted data and the retransmitted data.
  • the UE selects and receives corresponding downlink data according to the following downlink data receiving rules:
  • Rule 1 Receive downlink data according to the priority order of network configuration or agreement
  • Rule 2 Receive downlink data according to the priority order indicated by the UE
  • Rule 3 Receive downlink data according to the priority order of UE's interest in receiving services
  • the UE's receiving interest in the TMGI-1 service is higher than the TMGI-2 service; or the UE's receiving interest in the MBS service is higher than the unicast service.
  • the priority order includes any of the following:
  • the unicast service scheduling transmission mode (or the multicast service scheduling transmission mode) is preferred;
  • the PDSCH scheduled by the C-RNTI PDCCH has priority over the PDSCH scheduled by the G-RNTI PDCCH.
  • the priority order of logical channels is used to determine the priority order of reception.
  • the UE will receive the multicast first; or, for example, the logical channel of the multicast service-1 has a higher priority than the logical channel of the multicast service-2 Priority, the UE preferentially receives multicast service-1.
  • the "priority order indicated by the UE" information includes any one of the following:
  • the unicast service scheduling transmission mode (or the multicast service scheduling transmission mode) is preferred;
  • the PDSCH scheduled by the C-RNTI PDCCH has priority over the PDSCH scheduled by the G-RNTI PDCCH.
  • the priority of logical channel 1 is higher than the priority of logical channel 2; for another example, the priority of TMGI-1 is higher than the priority of TMGI-2.
  • the "business identity” includes at least one of the following:
  • the MBS service can be sent and retransmitted through a specific HARQ process, thereby improving the reliability of sending the MBS service.
  • an embodiment of the present invention also provides a terminal, and the terminal 400 includes:
  • the first obtaining module 401 is used to obtain the HARQ process of the MBS service
  • the first receiving module 402 is configured to receive downlink data of the MBS service according to the HARQ process.
  • the terminal 400 further includes: a second receiving module, configured to receive indication information, the indication information instructing the terminal to send or not to send HARQ feedback information according to the downlink data reception status of the MBS service.
  • the first receiving module 402 is further configured to: obtain the transmission configuration of the downlink data of the MBS service; and receive the downlink data of the MBS service according to the HARQ process and the transmission configuration.
  • the sending configuration of the downlink data of the MBS service includes:
  • One downlink data sending cycle of the MBS service includes multiple sending positions.
  • each of the multiple sending locations corresponds to the transmission of new data; or, each of the multiple sending locations corresponds to the transmission of the same data.
  • the HARQ transmission version of each transmission location is agreed by the protocol or configured by the network side. For example, when each transmission location of the multiple transmission locations corresponds to the transmission of the same data, the multiple transmission locations The HARQ transmission version is the same or different.
  • the sending configuration of the downlink data of the MBS service includes: a retransmission mode of the HARQ process of the MBS service.
  • the retransmission manner includes any one of the following:
  • the scheduling transmission mode corresponding to the MBS service includes at least one of the following:
  • the scheduling transmission mode corresponding to the unicast service includes at least one of the following:
  • the identifier of the scheduled transmission mode corresponding to the retransmission is indicated by the network side.
  • receiving the downlink data of the MBS service includes:
  • the downlink data of the MBS service is received.
  • the downlink data receiving rule includes one or more of the following:
  • the downlink data receiving rule is configured by the network side, protocol agreement, or determined by the terminal.
  • the HARQ process for acquiring MBS services includes:
  • the HARQ configuration information includes one or more of the following:
  • the configuration mode of the MBS available HARQ process number includes any one of:
  • the starting HARQ process number and the ending HARQ process number are configured on the network side or agreed upon by a protocol.
  • the HARQ configuration information of the MBS service includes any one of the following:
  • the HARQ configuration information has a corresponding relationship with one or more MBS services, and the corresponding relationship is configured on the network side or agreed upon by a protocol.
  • the HARQ process pool to which the HARQ process available for the MBS service belongs is the same as the HARQ process pool to which the HARQ process available for unicast service belongs;
  • the HARQ process pool to which the HARQ process available for the MBS service belongs is different from the HARQ process pool to which the HARQ process available for unicast service belongs.
  • the HARQ process available for the MBS service when the HARQ process pool to which the HARQ process available for the MBS service belongs is the same as the HARQ process pool to which the HARQ process available for unicast service belongs, the HARQ process available for the MBS service cannot be used for a single The initial transmission of the broadcast service.
  • the terminal provided in the embodiment of the present invention can execute the method embodiment shown in FIG. 2 above, and its implementation principles and technical effects are similar, and details are not described herein again in this embodiment.
  • an embodiment of the present invention also provides a network device, and the network device 500 includes:
  • the second obtaining module 501 is used to obtain the HARQ process of the MBS service
  • the first sending module 502 is configured to send downlink data of the MBS service according to the HARQ process.
  • the network device 500 further includes:
  • the second sending module is configured to send indication information, the indication information instructing the terminal to send or not send HARQ feedback information according to the downlink data reception status of the MBS service.
  • the first sending module 501 is further configured to: obtain the sending configuration of the downlink data of the MBS service; and send the downlink data of the MBS service according to the HARQ process and the sending configuration.
  • the network device provided in the embodiment of the present invention can execute the method embodiment shown in FIG. 3, and its implementation principles and technical effects are similar, and details are not described herein again in this embodiment.
  • FIG. 6 is a structural diagram of a communication device applied in an embodiment of the present invention.
  • a communication device 600 includes: a processor 601, a transceiver 602, a memory 603, and a bus interface, where:
  • the communication device 600 further includes: a computer program stored in the memory 603 and capable of running on the processor 601, and the computer program is executed by the processor 601 to implement the embodiment shown in FIG. 2 or FIG. 3 Steps in.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 601 and various circuits of the memory represented by the memory 603 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 602 may be a plurality of components, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium. It should be understood that the transceiver 602 is an optional component.
  • the processor 601 is responsible for managing the bus architecture and general processing, and the memory 603 can store data used by the processor 601 when performing operations.
  • the communication device provided by the embodiment of the present invention can execute the method embodiment shown in FIG. 2 or FIG.
  • the steps of the method or algorithm described in conjunction with the disclosure of the present invention can be implemented in a hardware manner, or can be implemented in a manner that a processor executes software instructions.
  • Software instructions can be composed of corresponding software modules, which can be stored in random access memory (Random Access Memory, RAM), flash memory, read-only memory (Read-Only Memory, ROM), erasable programmable read-only memory (Erasable PROM, EPROM), Electrically Erasable Programmable Read-Only Memory (Electrically EPROM, EEPROM), registers, hard disks, mobile hard disks, read-only optical disks, or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and can write information to the storage medium.
  • the storage medium may also be an integral part of the processor.
  • the processor and the storage medium may be located in an application specific integrated circuit (ASIC).
  • ASIC application specific integrated circuit
  • the ASIC may be located in the core network interface device.
  • the processor and the storage medium may also exist as discrete components in the core network interface device.
  • the functions described in the present invention can be implemented by hardware, software, firmware, or any combination thereof.
  • these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.
  • the embodiments of the present invention may be provided as a method, a system, or a computer program product. Therefore, the embodiments of the present invention may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present invention may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing equipment are generated It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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Abstract

本发明实施例提供一种下行数据接收方法、下行数据发送方法及设备,该方法包括:获取MBS业务的HARQ进程;根据所述HARQ进程,接收MBS业务的下行数据。在本发明实施例中,可以将特定MBS业务通过对应的HARQ进程进行发送和重传,使得终端可以对网络侧多次重复发送的数据进行合并解码,提高解码成功率,从而提高了特定MBS业务的发送可靠性。

Description

下行数据接收方法、下行数据发送及设备
相关申请的交叉引用
本申请主张在2020年4月7日在中国提交的中国专利申请号No.202010266874.7的优先权,其全部内容通过引用包含于此。
技术领域
本发明实施例涉及通信技术领域,具体涉及一种下行数据接收方法、下行数据发送方法及设备。
背景技术
现有长期演进(Long Term Evolution,LTE)技术中,多播广播服务(Multicast and Broadcast Service,MBS)业务由于只支持1次发送,因此不支持混合自动重传请求(Hybrid Automatic Repeat Request,HARQ)传输,从而导致MBS业务在重复发送的时候,多次重复发送的数据无法进行合并解码,导致解码成功率降低,增加丢包率。
发明内容
本发明实施例的一个目的在于提供一种下行数据接收方法、下行数据发送方法及设备,解决MBS业务不支持HARQ传输的问题。
第一方面,本发明实施例提供一种下行数据接收方法,应用于终端,包括:
获取广播多播业务MBS业务的混合自动重传请求HARQ进程;
根据所述HARQ进程,接收MBS业务的下行数据。
第二方面,本发明实施例还提供一种下行数据发送的方法,应用于网络设备,包括:
获取MBS业务的HARQ进程;
根据所述HARQ进程,发送MBS业务的下行数据。
第三方面,本发明实施例还提供一种终端,包括:
第一获取模块,用于获取MBS业务的HARQ进程;
第一接收模块,用于根据所述HARQ进程,接收MBS业务的下行数据。
第四方面,本发明实施例还提供一种网络设备,包括:
第二获取模块,用于获取MBS业务的HARQ进程;
第一发送模块,用于根据所述HARQ进程,发送MBS业务的下行数据。
第五方面,本发明实施例还提供一种通信设备,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如第一方面所述的下行数据接收方法的步骤;或者,如第二方面所述的下行数据发送方法的步骤。
第六方面,本发明实施例还提供一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如第一方面所述的下行数据接收方法的步骤;或者,如第二方面所述的下行数据发送方法的步骤。
在本发明实施例中,可以将特定MBS业务通过对应的HARQ进程进行发送和重传,使得终端可以对网络侧多次重复发送的数据进行合并解码,提高解码成功率,从而提高了特定MBS业务的发送可靠性。
附图说明
通过阅读下文实施方式的详细描述,各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的,而并不认为是对本发明的限制。而且在整个附图中,用相同的参考符号表示相同的部件。在附图中:
图1为本发明实施例的无线通信系统的架构示意图;
图2为本发明实施例的下行数据接收方法的流程图;
图3为本发明实施例的下行数据发送方法的流程图;
图4为本发明实施例的终端的示意图;
图5为本发明实施例的网络设备的示意图;
图6为本发明实施例的通信设备的示意图。
具体实施方式
为了便于理解本发明实施例,下面介绍以下两个技术点:
(1)多媒体广播多播业务(Multimedia Broadcast and Multicast Service,MBMS)或广播多播业务(Multicast Broadcast Service,MBS)简介:
在LTE系统中,MBMS业务可以通过以下两种方式发送:
MBMS/MBS发送方式1:通过在MBMS单频网(Multimedia Broadcast multicast service Single Frequency Network,MBSFN)子帧中通过物理多播信道(Physical Multicast Channel,PMCH)物理信道发送。其中,控制信息通过系统信息(比如,SIB13)和广播控制信道(Multicast Control Channel,MCCH)发送,数据通过广播业务信道(Multicast Traffic Channel,MTCH)发送。
MBMS/MBS发送方式2:通过物理下行控制信道(Physical Downlink Control Channel,PDCCH)调度的物理下行控制信道(Physical Downlink Shared Channel,PDSCH)信道发送。其中,控制信息通过系统信息(比如,SIB20)和单小区广播控制信道(Single Cell Multicast Control Channel,SC-MCCH)发送,数据通过单小区广播业务信道(Single Cell Multicast Traffic Channel,SC-MTCH)发送。其中,SC-MCCH通过单小区无线网络临时标识(Single Cell Radio Network Temporary Identity,SC-RNTI)PDCCH调度的PDSCH发送,SC-MTCH通过G-RNTI PDCCH调度的PDSCH发送。
(2)带宽部分(Bandwidth Part,BWP)简介:
对于一个特定小区,网络侧可以配置最多四个BWP,对应不同的工作频率信息。网络侧可以通过下行控制信息(Downlink Control Information,DCI)信令指示激活的BWP。对于一个特定小区,终端同一时刻只能有一个激活的BWP。
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本申请的说明书和权利要求书中的术语“包括”以及它的任何变形,意图在于覆盖不排他的包含,例如,包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元,而是可包括没有清楚地列 出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。此外,说明书以及权利要求中使用“和/或”表示所连接对象的至少其中之一,例如A和/或B,表示包含单独A,单独B,以及A和B都存在三种情况。
在本发明实施例中,“示例性的”或者“例如”等词用于表示作例子、例证或说明。本发明实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言,使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
本文所描述的技术不限于长期演进型(Long Time Evolution,LTE)/LTE的演进(LTE-Advanced,LTE-A)系统,并且也可用于各种无线通信系统,诸如码分多址(Code Division Multiple Access,CDMA)、时分多址(Time Division Multiple Access,TDMA)、频分多址(Frequency Division Multiple Access,FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access,OFDMA)、单载波频分多址(Single-carrier Frequency-Division Multiple Access,SC-FDMA)和其他系统。
术语“系统”和“网络”常被可互换地使用。CDMA系统可实现诸如CDMA2000、通用地面无线电接入(Universal Terrestrial Radio Access,UTRA)等无线电技术。UTRA包括宽带CDMA(Wideband Code Division Multiple Access,WCDMA)和其他CDMA变体。TDMA系统可实现诸如全球移动通信系统(Global System for Mobile Communication,GSM)之类的无线电技术。OFDMA系统可实现诸如超移动宽带(Ultra Mobile Broadband,UMB)、演进型UTRA(Evolution-UTRA,E-UTRA)、IEEE 802.11(Wi-Fi)、IEEE 802.16(WiMAX)、IEEE 802.20、Flash-OFDM等无线电技术。UTRA和E-UTRA是通用移动电信系统(Universal Mobile Telecommunications System,UMTS)的部分。LTE和更高级的LTE(如LTE-A)是使用E-UTRA的新UMTS版本。UTRA、E-UTRA、UMTS、LTE、LTE-A以及GSM在来自名为“第三代伙伴项目”(3rd Generation Partnership Project,3GPP)的组织的文献中描述。CDMA2000和UMB在来自名为“第三代伙伴项目2”(3GPP2)的组织的文献中描述。本文所描述的技术既可用于以上提及的系统和无线电技术,也可用于其他系统和无线电技术。
下面结合附图介绍本发明的实施例。本发明实施例提供的一种下行数据接收方法、下行数据发送方法及设备可以应用于无线通信系统中。参考图1,为本发明实施例提供的一种无线通信系统的架构示意图。如图1所示,该无线通信系统可以包括:网络设备10、网络设备11和终端12,终端12可以记做UE12,终端12可以与网络设备10和网络设备11通信(传输信令或传输数据)。在实际应用中上述各个设备之间的连接可以为无线连接,为了方便直观地表示各个设备之间的连接关系,图1中采用实线示意。
本发明实施例提供的网络设备10和网络设备11可以为基站,该基站可以为通常所用的基站,也可以为演进型基站(evolved node base station,eNB),还可以为5G系统中的网络设备(例如,下一代基站(next generation node base station,gNB)或发送和接收点(transmission and reception point,TRP))等设备。
本发明实施例提供的终端12可以为手机、平板电脑、笔记本电脑、超级移动个人计算机(Ultra-Mobile Personal Computer,UMPC)、上网本或者个人数字助理(Personal Digital Assistant,PDA)、移动上网装置(Mobile Internet Device,MID)、可穿戴式设备(Wearable Device)或车载设备等。
参见图2,本发明实施例提供一种下行数据接收方法,该方法的执行主体可以为终端,包括:步骤201和步骤202。
步骤201:获取MBS业务的HARQ进程;
可以理解的是,MBS业务是指部分MBS业务或者特定MBS业务,即HARQ进程可以用于部分或特定MBS业务的传输,比如,特定小区对应的MBS业务,特定传输节点对应的MBS业务,或者特定频率范围内的MBS业务等。
步骤202:根据HARQ进程,接收MBS业务的下行数据。
示例性地,当网络侧对MBS业务的下行数据的发送进行重传的时候,UE根据HARQ进程,将该MBS业务的重传数据和之前接收该MBS业务的数据进行合并解码。比如,G-RNTI-1 PDCCH调度了HARQ-1的初始传输,C-RNTI PDCCH调度了HARQ-1的重传,则UE将初始传输的数据和重传数据进行合并解码。
在本发明实施例中,可以将部分或特定MBS业务通过特定的HARQ进程进行接收,使得终端可以对网络侧多次重复发送的数据进行合并解码,提高解码成功率,从而提高了部分或特定MBS业务的发送可靠性。
在一些实施方式中,所述方法还包括:接收指示信息,所述指示信息指示所述终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
在一些实施方式中,在步骤202中,获取所述MBS业务的下行数据的发送配置;根据所述HARQ进程和所述发送配置,接收MBS业务的下行数据。
可选地,所述MBS业务的下行数据的发送配置包括:所述MBS业务的一个下行数据发送周期中包括多个发送位置。
比如,所述多个发送位置中的每个发送位置对应各自的新数据的传输;或者,所述多个发送位置中的每个发送位置对应相同数据的传输。
可选地,每个发送位置的HARQ发送版本由协议约定或者由网络侧配置,比如,在所述多个发送位置中的每个发送位置对应相同数据的传输时,所述多个发送位置的HARQ发送版本相同或不相同。
在本发明实施例中,所述MBS业务的下行数据的发送配置包括:MBS业务或单播业务的HARQ进程的重传方式。
可选地,所述HARQ进程的重传方式包括以下任意一种:
(1)通过所述MBS业务或单播业务对应的调度发送方式进行重传;
(2)通过与所述MBS业务初传调度发送方式不同的其他调度发送方式进行重传。
比如,MBS的业务初传通“多播调度发送方式”发送,重传通过“单播调度发送方式”发送,都是采用同一个HARQ进程,但是“调度发送方式”不同。
可选地,所述MBS或单播业务对应的调度发送方式,包括以下至少一种:
(1)所述MBS业务动态调度发送方式;
(2)所述单播业务动态调度发送方式;
(3)所述MBS业务半持续调度发送方式;
(4)所述单播业务半持续调度发送方式。
可选地,在所述与所述MBS业务初传调度发送方式不同的其他调度发送 方式的情况下,所述重传对应的调度发送方式的标识由网络侧指示。
在一些实施方式中,在步骤202中,接收MBS业务的下行数据,包括:
根据下行数据接收规则,接收MBS业务的下行数据。
可选地,所述下行数据接收规则包括以下一项或多项:
(1)调度发送方式对应的优先级;
单播业务对应的调度发送方式对应的优先级高于多播业务对应的调度发送方式对应的优先级。
(2)逻辑信道对应的优先级;
比如,单播业务的逻辑信道优先级高于多播业务的逻辑信道优先级,则UE优先接收多播业务,又比如,多播业务-1的逻辑信道优先级高于多播业务-2的逻辑信道优先级,则UE优先接收多播业务-1。
(3)业务标识对应的优先级。
可选地,业务标识包括以下至少一种:特定MBS业务的标识和单播业务的标识。
可选地,所述下行数据接收规则是网络侧配置、协议约定、或者所述终端确定的。
比如,终端根据业务的接收兴趣,确定下行数据接收规则,示例性地,UE对于TMGI-1业务的接收兴趣高于TMGI-2业务。或,UE对于MBS业务的接收兴趣高于单播业务。
在一些实施方式中,在步骤201中,所述获取MBS业务的HARQ进程,包括:
获取MBS业务接收对应的HARQ配置信息,所述HARQ配置信息包括以下一项或多项:
(1)MBS业务可用的HARQ进程的数量;
可选地,所述MBS可用HARQ进程编号的配置方式包括任意一种:起始HARQ进程编号和可用的HARQ进程数量;结束HARQ进程编号和可用的HARQ进程数量;显式指示的HARQ进程编号;起始HARQ进程编号和结束HARQ进程编号。
可以理解的是,HARQ配置信息可以用于部分或特定MBS业务。
可选地,所述起始HARQ进程编号和所述结束HARQ进程编号是网络侧配置的,或者协议约定的。
(2)MBS业务可用的HARQ进程编号。
在一些实施方式中,所述MBS业务的HARQ配置信息包括以下任意一种:
(1)特定MBS业务的HARQ配置信息;
可以理解的是,每个MBS业务的HARQ配置信息可以是独立的。
(2)特定小区对应的MBS业务的HARQ配置信息;
(3)特定传输节点对应的MBS业务的HARQ配置信息;
(4)特定频率范围对应的MBS业务的HARQ配置信息。
可选地,所述HARQ配置信息与一个或多个MBS业务具有对应关系,所述对应关系是网络侧配置的,或者是协议约定的。
在一些实施方式中,所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同;
进一步地,所述MBS业务可用的HARQ进程不能用于单播业务的初始传输。
在另一些实施方式中,所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池不同。
在本发明实施例中,可以将MBS业务通过特定的HARQ进程进行发送和重传,从而提高了MBS业务的发送可靠性。
参见图3,本发明实施例还提供一种下行数据发送的方法,该方法的执行主体为网络设备,具体包括:步骤301和步骤302。
步骤301:获取MBS业务的HARQ进程;
可以理解的是,MBS业务是指部分MBS业务或者特定MBS业务,即HARQ进程可以用于部分或特定MBS业务。
步骤302:根据所述HARQ进程,发送MBS业务的下行数据。
可选地,获取所述MBS业务的下行数据的发送配置;根据所述HARQ进程和所述发送配置,发送MBS业务的下行数据。
在一些实施方式中,所述方法还包括:发送指示信息,所述指示信息指示终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
在本发明实施例中,可以将MBS业务通过特定的HARQ进程进行发送和重传,从而提高了MBS业务的发送可靠性。
为了便于理解本发明实施例,下面结合以下示例进行介绍。
步骤1:网络侧配置或协议约定MBS业务接收对应的HARQ配置信息。
步骤2:根据HARQ配置信息,UE进行对应的MBS业务的下行数据的接收,并发送对应的反馈信息。
可选地,该“MBS业务接收对应的HARQ配置信息”可以指示是否需要发送HARQ反馈的指示信息。
比如,网络指示对于MBS业务-1对应的PDSCH的接收,UE需要发送HARQ反馈信息。
可选地,“HARQ配置信息”的配置方式包括以下任意一种:
(1)特定小区对应的MBS业务接收对应的HARQ配置信息;
比如,cell-1对应的MBS业务接收对应的HARQ配置信息。
(2)特定传输节点对应的MBS业务接收对应的HARQ配置信息;
比如,传输节点-1对应的MBS业务接收对应的HARQ配置信息。
(3)特定频率范围对应的MBS业务接收对应的HARQ配置信息;
比如,BWP-1对应的MBS业务接收对应的HARQ配置信息。
额外的,对于特定小区(或特定传输节点;或特定频率范围)对应的MBS接收对应的HARQ配置信息,更进一步的,网络侧配置或协议约定一个或多个MBS业务对应MBS接收对应的HARQ配置信息。
比如,临时移动组标识(Temporary Mobile Group Identity,TMGI)-1对应的MBS接收对应的HARQ配置信息。
其中,该“特定小区的标识”包括以下一项或多项的任意组合:
(1)小区组标识;
比如,主小区组(Master Cell Group,MCG)或辅小区组(Secondary Cell Group,SCG)标识。
(2)小区类型标识;
比如,主小区(Primary Cell,PCell)、辅小区(Secondary Cell,SCell)、主辅小区(Primary Secondary Cell,PSCell)或特殊小区(special Cell,SpCell)。
(3)服务小区(Serving cell)标识;
比如,Serving cell-1。
(4)辅小区标识;
比如,SCell-1。
(5)物理小区标识(Physical Cell Identifier,PCI);
比如,PCI-1。
其中,该“特定传输节点的标识”包括以下一项或多项的任意组合:
(1)传输节点(Transmission Point,TRP)标识;
比如,TRP-1。
(2)物理小区标识;
比如,PCI-1。
(3)参考信号标识;
比如,同步信号块(Synchronous Signal Block,SSB)-1,和/或,信道状态信息参考信号(Channel State Information-Reference Signal,CSI-RS)-1。
(4)参考信号对应的端口号标识;
比如,port_1。
(5)控制信道的资源位置标识;
比如,物理下行控制信道(Physical Downlink Control Channel,PDCCH)的控制资源组(Control Resource Set,CORESET)标识,和/或,搜索空间(search space)标识。
(6)控制信道的参考信号标识;
比如,SSB标识,和/或,CSI-RS标识。
(7)控制信道的参考信号对应的端口号标识;
比如,port_1。
其中,该“特定频率范围的标识”包括以下一项或多项的任意组合:
(1)带宽部分(Bandwidth part,BWP)标识;
比如,BWP-1。
(2)频点;
比如,绝对无线频率信道编号(Absolute Radio Frequency Channel Number, ARFCN)-1。
(3)带宽;
比如,20MHz。
(4)频率起始位置;
比如,绝对无线频率信道编号起始位置(ARFCN-start)。
(5)频率结束位置;
比如,绝对无线频率信道编号结束位置(ARFCN-end)。
(6)物理资源块(Physical Resource Block,PRB)标识;
比如,PRB-1。
(7)物理资源块数量标识;
比如,10个PRB。
其中,该“特定MBS业务的标识”包括以下一项或多项的任意组合:
(1)MBS业务信息标识;
比如,TMGI-1。
(2)MBS业务逻辑信道标识;
比如,多播业务信道(Multicast Traffic Channel,MTCH)-1。
(3)MBS承载标识;
比如,数据无线承载(Data Radio Bearer,DRB)-1,或MBMS点对多点无线承载(MBMS Point to Multipoint Radio Bearer,MRB)-1。
(4)MBS数据流标识;
比如,服务质量(Quality of Service,QoS)流(flow)-1。
(5)MBS会话标识;
比如,PDU会话(Session)-1。
(6)MBS业务区域标识;
比如,业务区域标识(Service Area Identity,SAI);
(7)MBS业务发送区域标识;
比如,MBSFN-1,发送MBS业务的小区列表,空口发送MBS业务的区域标识(如,MBS area 1)。
(8)MBS业务的调度信息标识;
比如,集群组无线网络临时标识(GERAN Radio Network Temporary Identifier,G-RNTI)-1,UE通过G-RNTI-1标识的PDCCH调度的PDSCH发送的MBS业务TMGI-1。
(9)MBS业务的数据信道标识;
比如,半持续的PDSCH的配置1,通过下行半持续调度(Semi-Persistent Scheduling,SPS)发送MBS业务TMGI-1)。
其中,该“HARQ配置信息”包括以下一项或多项的任意组合:
(1)MBS可用的HARQ进程的数量;
比如,4个HARQ进程。
(2)MBS可用的HARQ进程编号;
比如,编号0-3的HARQ进程。
其中,该“MBS可用的HARQ进程”与“单播业务可用的HARQ进程”的关系包括以下任意一种:
关系1:“MBS可用的HARQ进程”与“单播业务可用的HARQ进程”共享相同的HARQ进程池。
比如,UE总的HARQ进程编号为“0-15”(共16个),“MBS可用的HARQ进程”为“0-7”,“单播业务可用的HARQ进程”为“8-15”。
额外的,对于关系1,网络侧配置或协议约定,该MBS的HARQ进程不能用于单播业务的初始传输。比如,对于小区无线网络临时标识(Cell Radio Network Temporary Identifier,C-RNTI)PDCCH调度的单播业务PDSCH的新数据传输不能使用MBS的HARQ进程。
关系2:“MBS可用的HARQ进程”与“单播业务可用的HARQ进程”采用独立的HARQ进程池。
比如,UE的MBS业务有8个专门用于MBS的HARQ进程(例如,HARQ进程编号为“0-7”),而对于单播业务有16个专门用于单播的HARQ进程(例如,HARQ进程编号为“0-15”)。
其中,该“单播业务可用的HARQ进程”对应的“单播业务的标识”包括以下至少一项:
(1)单播业务的调度信息标识;
比如,小区无线网络临时标识(Cell Radio Network Temporary Identity,C-RNTI)-1,即,UE通过C-RNTI-1标识的PDCCH调度的PDSCH发送的单播业务DRB-1。
(2)单播业务的数据信道标识;
比如,半持续的PDSCH的配置1,通过下行SPS发送单播业务DRB-1。
(3)单播业务承载类型标识;
比如,DRB-1。
(4)单播业务逻辑信道标识;
比如,DTCH-1。
(5)单播承载标识;
比如,DRB-1。
(6)单播数据流标识;
比如,QoS flow-1。
(7)单播会话标识;
比如,PDU Session-1。
其中,该“MBS可用HARQ进程编号”的配置方法包括以下任意一种:
(1)起始HARQ进程编号和可用的HARQ进程数量;
比如,HARQ进程总数为16,“起始HARQ进程”为5,“可用的HARQ进程数量”为5,则“MBS可用HARQ进程编号”为“5-9”。
(2)显式指示的HARQ进程编号;
比如,可用HARQ进程为“0,2,4,6”这4个HARQ进程。
(3)起始HARQ进程编号和结束HARQ进程编号;
比如,HARQ进程总数为16,“起始HARQ进程”为5,结束HARQ进程编号为9,则“MBS可用HARQ进程编号”为“5-9”,共5个HARQ进程。
其中,该“起始HARQ进程编号”或“结束HARQ进程编号”为网络配置或协议约定。比如,协议约定从编号“0”开始,或者,网络配置从编号“5”开始。
额外的,当该MBS业务通过半持续的数据信道发送的时候,该HARQ进程的编号与特定时间位置对应。
比如,“起始HARQ进程”为5,“可用的HARQ进程数量”为5,半持续的 PDSCH(如,SPS PDSCH)的系统帧号(System Frame Number,SFN)为1和时隙(Slot)编号为1对应的HARQ进程为5,下一个半持续的PDSCH对应的HARQ进程为6。
额外的,当该MBS业务通过半持续的数据信道发送的时候,网络侧配置或协议约定一个数据发送的周期中可以有多发送位置。
比如,网络侧配置MBS业务通过半持续的数据信道发送的周期为10毫秒(ms),每个周期中有2个发送位置。
其中,网络侧配置或协议约定该“一个数据发送的周期中的多发送位置”的发送方式包括以下任意一种:
(1)每个发送位置对应各自的新数据的传输;
比如,网络侧配置MBS业务通过半持续的数据信道发送的周期为10ms,每个周期中有2个发送位置。发送位置1采用HARQ进程1发送新数据,发送位置2采用HARQ进程2发送新数据。
(2)每个发送位置对应相同数据的传输(包括:新传和重传);
比如,网络侧配置MBS业务通过半持续的数据信道发送的周期为10ms,每个周期中有2个发送位置,发送位置1采用HARQ进程1发送新数据,发送位置2采用HARQ进程1发送重传数据。
其中,当“一个数据发送的周期中的多发送位置”采用“每个发送位置对应相同数据的传输”的时候,网络侧配置或协议约定该多个发送位置的HARQ发送版本。
比如,网络侧配置MBS业务通过半持续的数据信道发送的周期为10ms,每个周期中有2个发送位置。发送位置1采用HARQ进程1发送新数据的冗余版本(Redundancy Version,RV)为0,发送位置2采用HARQ进程1发送重传数据的RV为2。
额外的,网络侧配置或协议约定,该特定业务的HARQ进程的重传方式包括以下任意一种:
(1)通过特定业务对应的调度发送方式进行重传。
比如,通过G-RNTI-1 PDCCH调度的MBS业务的HARQ进程-1的初始传输,通过G-RNTI-1 PDCCH调度的PDSCH进行MBS业务的HARQ进程-1 的重传;
又比如,通过MBS半持续的PDSCH发送的MBS业务的HARQ进程-1的初始,通过G-RNTI-1 PDCCH调度的PDSCH的进行重传或通过MBS半持续的PDSCH进行重传。
(2)通过不同业务的调度发送方式进行重传。
比如,通过G-RNTI-1 PDCCH调度的MBS业务的HARQ进程-1的初始传输,通过C-RNTI-1 PDCCH调度的PDSCH进行MBS业务的HARQ进程-1的重传。
又比如,通过MBS半持续的PDSCH发送的MBS业务的HARQ进程-1的初始传输,通过C-RNTI-1 PDCCH调度的PDSCH进行重传或通过单播半持续的PDSCH进行重传。
其中,该“特定业务对应的调度发送方式”包括以下至少一种:
(1)特定MBS业务动态调度的发送;
比如,通过G-RNTI-1 PDCCH调度的PDSCH发送MBS业务-1。
(2)特定单播业务动态调度的发送;
比如,通过C-RNTI或配置调度RNTI(Configured Scheduling RNTI,CS-RNTI)PDCCH调度的PDSCH发送单播业务。
(3)特定MBS业务半持续调度的发送;
比如,通过SPS-1的PDSCH发送MBS业务-1。
(4)特定单播业务半持续调度的发送;
比如,通过SPS-2的PDSCH发送单播业务。
额外的,对于“通过不同业务的调度发送方式进行重传”,网络侧指示该重传对应的业务标识。其中,该“业务标识”包括以下任意一项:
(1)“特定MBS业务的标识”‘’
(2)“单播业务的标识”。
其中,该“指示该重传对应的业务标识”的场景可以根据网络配置或协议约定为:单播业务允许使用MBS的HARQ进程进行单播业务的初始传输。
可选地,当网络侧对MBS的下行数据的发送进行重传的时候,UE根据网络侧的重传指示信息,将该MBS业务的重传数据和之前接收该MBS业务 的数据进行合并解码。
比如,G-RNTI-1 PDCCH调度了HARQ-1的初始传输,C-RNTI PDCCH调度了HARQ-1的重传,则UE将初始传输的数据和重传数据进行合并解码。
额外的,如果UE不能同时接收MBS的下行数据(比如,G-RNTI-1 PDCCH调度的PDSCH)和单播的下行数据(比如,C-RNTI PDCCH调度的PDSCH),或者,不能同时接收多个MBS的下行数据(比如,G-RNTI-1 PDCCH调度的PDSCH,和G-RNTI-2 PDCCH调度的PDSCH),则UE根据以下下行数据接收规则选择接收对应的下行数据:
规则1:根据网络配置的或协议约定的优先级顺序接收下行数据;
规则2:根据UE指示的优先级顺序接收下行数据;
规则3:根据UE对于接收业务的兴趣的优先级顺序接收下行数据;
比如,UE对于TMGI-1业务的接收兴趣高于TMGI-2业务;或者,UE对于MBS业务的接收兴趣高于单播业务。
其中,对于规则1,该优先级顺序包括以下任意一种:
(1)单播业务调度发送方式(或多播业务调度发送方式)优先;
比如,C-RNTI PDCCH调度的PDSCH优先于G-RNTI PDCCH调度的PDSCH。
(2)逻辑信道优先级的顺序用于确定接收的优先级顺序。
比如,单播的逻辑信道优先级高于多播的逻辑信道优先级,则UE优先接收多播;或者,比如,多播业务-1的逻辑信道优先级高于多播业务-2的逻辑信道优先级,则UE优先接收多播业务-1。
对于规则2,该“UE指示的优先级顺序”信息包括以下任意一种:
(1)单播业务调度发送方式(或多播业务调度发送方式)优先;
比如,C-RNTI PDCCH调度的PDSCH优先于G-RNTI PDCCH调度的PDSCH。
(2)指示的业务标识对应的优先级顺序;
比如,逻辑信道1的优先级高于逻辑信道2的优先级;又比如,TMGI-1的优先级高于TMGI-2的优先级。
其中,该“业务标识”包括以下至少一种:
(1)“特定MBS业务的标识”;
(2)“单播业务的标识”。
在本发明实施例中,可以将MBS业务通过特定的HARQ进程进行发送和重传,从而提高了MBS业务的发送可靠性。
参见图4,本发明实施例还提供一种终端,该终端400包括:
第一获取模块401,用于获取MBS业务的HARQ进程;
第一接收模块402,用于根据所述HARQ进程,接收MBS业务的下行数据。
在一些实施方式中,终端400还包括:第二接收模块,用于接收指示信息,所述指示信息指示所述终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
在一些实施方式中,第一接收模块402进一步用于:获取所述MBS业务的下行数据的发送配置;根据所述HARQ进程和所述发送配置,接收MBS业务的下行数据。
在一些实施方式中,所述MBS业务的下行数据的发送配置包括:
所述MBS业务的一个下行数据发送周期中包括多个发送位置。
在一些实施方式中,所述多个发送位置中的每个发送位置对应各自的新数据的传输;或者,所述多个发送位置中的每个发送位置对应相同数据的传输。
在一些实施方式中,每个发送位置的HARQ发送版本由协议约定或者由网络侧配置,比如在所述多个发送位置中的每个发送位置对应相同数据的传输时,所述多个发送位置的HARQ发送版本相同或不相同。
在一些实施方式中,所述MBS业务的下行数据的发送配置包括:MBS业务的HARQ进程的重传方式。
在一些实施方式中,所述重传方式包括以下任意一种:
(1)通过所述MBS业务或单播业务对应的调度发送方式进行重传;
(2)通过与所述MBS业务初传调度发送方式不同的其他调度发送方式进行重传。
在一些实施方式中,所述MBS业务对应的调度发送方式,包括以下至少一种:
(1)所述MBS业务动态调度发送方式;
(2)所述MBS业务半持续调度发送方式;
所述单播业务对应的调度发送方式,包括以下至少一种:
(1)所述单播业务动态调度发送方式;
(2)所述单播业务半持续调度发送方式。
在一些实施方式中,在所述与所述MBS业务初传调度发送方式不同的其他调度发送方式的情况下,所述重传对应的调度发送方式的标识由网络侧指示。
在一些实施方式中,接收MBS业务的下行数据,包括:
根据下行数据接收规则,接收所述MBS业务的下行数据。
在一些实施方式中,所述下行数据接收规则包括以下一项或多项:
(1)调度发送方式对应的优先级;
(2)逻辑信道对应的优先级;
(3)业务标识对应的优先级。
在一些实施方式中,所述下行数据接收规则是网络侧配置、协议约定、或者所述终端确定的。
在一些实施方式中,所述获取MBS业务的HARQ进程,包括:
获取MBS业务接收对应的HARQ配置信息,所述HARQ配置信息包括以下一项或多项:
(1)所述MBS业务可用的HARQ进程的数量;
(2)所述MBS业务可用的HARQ进程编号。
在一些实施方式中,所述MBS可用HARQ进程编号的配置方式包括任意一种:
(1)起始HARQ进程编号和可用的HARQ进程数量;
(2)结束HARQ进程编号和可用的HARQ进程数量;显式指示的HARQ进程编号;
(3)起始HARQ进程编号和结束HARQ进程编号。
在一些实施方式中,所述起始HARQ进程编号和所述结束HARQ进程编号是网络侧配置的,或者协议约定的。
在一些实施方式中,所述MBS业务的HARQ配置信息包括以下任意一种:
(1)特定MBS业务的HARQ配置信息;
(2)特定小区对应的MBS业务的HARQ配置信息;
(3)特定传输节点对应的MBS业务的HARQ配置信息;
(4)特定频率范围对应的MBS业务的HARQ配置信息。
在一些实施方式中,所述HARQ配置信息与一个或多个MBS业务具有对应关系,所述对应关系是网络侧配置的,或者是协议约定的。
在一些实施方式中,所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同;
或者,
所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池不同。
在一些实施方式中,在所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同的情况下,所述MBS业务可用的HARQ进程不能用于单播业务的初始传输。
本发明实施例提供的终端,可以执行上述图2所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
参见图5,本发明实施例还提供一种网络设备,该网络设备500包括:
第二获取模块501,用于获取MBS业务的HARQ进程;
第一发送模块502,用于根据所述HARQ进程,发送MBS业务的下行数据。
在一些实施方式中,网络设备500还包括:
第二发送模块,用于发送指示信息,所述指示信息指示终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
在一些实施方式中,第一发送模块501进一步用于:获取所述MBS业务的下行数据的发送配置;根据所述HARQ进程和所述发送配置,发送MBS业务的下行数据。
本发明实施例提供的网络设备,可以执行上述图3所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
请参阅图6,图6是本发明实施例应用的通信设备的结构图,如图6所示, 通信设备600包括:处理器601、收发机602、存储器603和总线接口,其中:
在本发明的一个实施例中,通信设备600还包括:存储在存储器上603并可在处理器601上运行的计算机程序,计算机程序被处理器601执行时实现图2或图3所示实施例中的步骤。
在图6中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器601代表的一个或多个处理器和存储器603代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机602可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元,可以理解的是,收发机602为可选部件。
处理器601负责管理总线架构和通常的处理,存储器603可以存储处理器601在执行操作时所使用的数据。
本发明实施例提供的通信设备,可以执行上述图2或图3所示方法实施例,其实现原理和技术效果类似,本实施例此处不再赘述。
结合本发明公开内容所描述的方法或者算法的步骤可以硬件的方式来实现,也可以是由处理器执行软件指令的方式来实现。软件指令可以由相应的软件模块组成,软件模块可以被存放于随机存取存储器(Random Access Memory,RAM)、闪存、只读存储器(Read-Only Memory,ROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)、寄存器、硬盘、移动硬盘、只读光盘或者本领域熟知的任何其它形式的存储介质中。一种示例性的存储介质耦合至处理器,从而使处理器能从该存储介质读取信息,且可向该存储介质写入信息。当然,存储介质也可以是处理器的组成部分。处理器和存储介质可以位于专用集成电路(Application Specific Integrated Circuit,ASIC)中。另外,该ASIC可以位于核心网接口设备中。当然,处理器和存储介质也可以作为分立组件存在于核心网接口设备中。
本领域技术人员应该可以意识到,在上述一个或多个示例中,本发明所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现 时,可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质,其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能存取的任何可用介质。
以上所述的具体实施方式,对本发明的目的、技术方案和有益效果进行了进一步详细说明,所应理解的是,以上所述仅为本发明的具体实施方式而已,并不用于限定本发明的保护范围,凡在本发明的技术方案的基础之上,所做的任何修改、等同替换、改进等,均应包括在本发明的保护范围之内。
本领域内的技术人员应明白,本发明实施例可提供为方法、系统、或计算机程序产品。因此,本发明实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本发明实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本发明实施例是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。

Claims (48)

  1. 一种下行数据接收方法,应用于终端,包括:
    获取广播多播业务MBS业务的混合自动重传请求HARQ进程;
    根据所述HARQ进程,接收MBS业务的下行数据。
  2. 根据权利要求1所述的方法,还包括:
    接收指示信息,所述指示信息指示所述终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
  3. 根据权利要求1所述的方法,其中,所述根据所述HARQ进程,接收MBS业务的下行数据,包括:
    获取所述MBS业务的下行数据的发送配置;
    根据所述HARQ进程和所述发送配置,接收MBS业务的下行数据。
  4. 根据权利要求3所述的方法,其中,所述MBS业务的下行数据的发送配置包括:
    所述MBS业务的一个下行数据发送周期中包括多个发送位置。
  5. 根据权利要求4所述的方法,其中,所述多个发送位置中的每个发送位置对应各自的新数据的传输;
    或者,
    所述多个发送位置中的每个发送位置对应相同数据的传输。
  6. 根据权利要求5所述的方法,其中,每个发送位置的HARQ发送版本由协议约定或者由网络侧配置。
  7. 根据权利要求3所述的方法,其中,所述MBS业务的下行数据的发送配置包括:MBS业务的HARQ进程的重传方式。
  8. 根据权利要求7所述的方法,其中,所述重传方式包括以下任意一种:
    通过所述MBS业务或单播业务对应的调度发送方式进行重传;
    通过与所述MBS业务初传调度发送方式不同的其他调度发送方式进行重传。
  9. 根据权利要求8所述的方法,其中,所述MBS业务对应的调度发送方式,包括以下至少一种:
    所述MBS业务动态调度发送方式;
    所述MBS业务半持续调度发送方式;
    所述单播业务对应的调度发送方式,包括以下至少一种:
    所述单播业务动态调度发送方式;
    所述单播业务半持续调度发送方式。
  10. 根据权利要求8所述的方法,其中,在所述与所述MBS业务初传调度发送方式不同的其他调度发送方式的情况下,所述重传对应的调度发送方式的标识由网络侧指示。
  11. 根据权利要求1所述的方法,其中,接收MBS业务的下行数据,包括:
    根据下行数据接收规则,接收所述MBS业务的下行数据。
  12. 根据权利要求11所述的方法,其中,所述下行数据接收规则包括以下一项或多项:
    调度发送方式对应的优先级;
    逻辑信道对应的优先级;
    业务标识对应的优先级。
  13. 根据权利要求11所述的方法,其中,所述下行数据接收规则是网络侧配置、协议约定、或者所述终端确定的。
  14. 根据权利要求1所述的方法,其中,所述获取MBS业务的HARQ进程,包括:
    获取MBS业务接收对应的HARQ配置信息,所述HARQ配置信息包括以下一项或多项:
    所述MBS业务可用的HARQ进程的数量;
    所述MBS业务可用的HARQ进程编号。
  15. 根据权利要求14所述的方法,其中,所述MBS可用HARQ进程编号的配置方式包括任意一种:
    起始HARQ进程编号和可用的HARQ进程数量;
    结束HARQ进程编号和可用的HARQ进程数量;显式指示的HARQ进程编号;
    起始HARQ进程编号和结束HARQ进程编号。
  16. 根据权利要求14所述的方法,其中,所述起始HARQ进程编号和所述结束HARQ进程编号是网络侧配置的,或者协议约定的。
  17. 根据权利要求14所述的方法,其中,所述MBS业务的HARQ配置信息包括以下任意一种:
    特定MBS业务的HARQ配置信息;
    特定小区对应的MBS业务的HARQ配置信息;
    特定传输节点对应的MBS业务的HARQ配置信息;
    特定频率范围对应的MBS业务的HARQ配置信息。
  18. 根据权利要求14所述的方法,其中,所述HARQ配置信息与一个或多个MBS业务具有对应关系,所述对应关系是网络侧配置的,或者是协议约定的。
  19. 根据权利要求14所述的方法,其中,所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同;
    或者,
    所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池不同。
  20. 根据权利要求19所述的方法,其中,在所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同的情况下,所述MBS业务可用的HARQ进程不能用于单播业务的初始传输。
  21. 一种下行数据发送的方法,应用于网络设备,包括:
    获取MBS业务的HARQ进程;
    根据所述HARQ进程,发送MBS业务的下行数据。
  22. 根据权利要求21所述的方法,还包括:
    发送指示信息,所述指示信息指示终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
  23. 根据权利要求21所述的方法,其中,所述根据所述HARQ进程,发 送MBS业务的下行数据,包括:
    获取所述MBS业务的下行数据的发送配置;
    根据所述HARQ进程和所述发送配置,发送MBS业务的下行数据。
  24. 一种终端,包括:
    第一获取模块,用于获取MBS业务的HARQ进程;
    第一接收模块,用于根据所述HARQ进程,接收MBS业务的下行数据。
  25. 根据权利要求24所述的终端,还包括:第二接收模块,用于接收指示信息,所述指示信息指示所述终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
  26. 根据权利要求24所述的终端,其中,第一接收模块进一步用于:
    获取所述MBS业务的下行数据的发送配置;
    根据所述HARQ进程和所述发送配置,接收MBS业务的下行数据。
  27. 根据权利要求26所述的终端,其中,所述MBS业务的下行数据的发送配置包括:
    所述MBS业务的一个下行数据发送周期中包括多个发送位置。
  28. 根据权利要求27所述的终端,其中,所述多个发送位置中的每个发送位置对应各自的新数据的传输;或者,
    所述多个发送位置中的每个发送位置对应相同数据的传输。
  29. 根据权利要求28所述的终端,其中,每个发送位置的HARQ发送版本由协议约定或者由网络侧配置。
  30. 根据权利要求26所述的终端,其中,所述MBS业务的下行数据的发送配置包括:MBS业务的HARQ进程的重传方式。
  31. 根据权利要求30所述的终端,其中,所述重传方式包括以下任意一种:
    通过所述MBS业务或单播业务对应的调度发送方式进行重传;
    通过与所述MBS业务初传调度发送方式不同的其他调度发送方式进行重传。
  32. 根据权利要求31所述的终端,其中,所述MBS业务对应的调度发送方式,包括以下至少一种:
    所述MBS业务动态调度发送方式;
    所述MBS业务半持续调度发送方式;
    所述单播业务对应的调度发送方式,包括以下至少一种:
    所述单播业务动态调度发送方式;
    所述单播业务半持续调度发送方式。
  33. 根据权利要求31所述的终端,其中,在所述与所述MBS业务初传调度发送方式不同的其他调度发送方式的情况下,所述重传对应的调度发送方式的标识由网络侧指示。
  34. 根据权利要求24所述的终端,其中,接收MBS业务的下行数据,包括:
    根据下行数据接收规则,接收所述MBS业务的下行数据。
  35. 根据权利要求34所述的终端,其中,所述下行数据接收规则包括以下一项或多项:
    调度发送方式对应的优先级;
    逻辑信道对应的优先级;
    业务标识对应的优先级。
  36. 根据权利要求34所述的终端,其中,所述下行数据接收规则是网络侧配置、协议约定、或者所述终端确定的。
  37. 根据权利要求24所述的终端,其中,所述获取MBS业务的HARQ进程,包括:
    获取MBS业务接收对应的HARQ配置信息,所述HARQ配置信息包括以下一项或多项:
    所述MBS业务可用的HARQ进程的数量;
    所述MBS业务可用的HARQ进程编号。
  38. 根据权利要求37所述的终端,其中,所述MBS可用HARQ进程编号的配置方式包括任意一种:
    起始HARQ进程编号和可用的HARQ进程数量;
    结束HARQ进程编号和可用的HARQ进程数量;显式指示的HARQ进程编号;
    起始HARQ进程编号和结束HARQ进程编号。
  39. 根据权利要求37所述的终端,其中,所述起始HARQ进程编号和所述结束HARQ进程编号是网络侧配置的,或者协议约定的。
  40. 根据权利要求37所述的终端,其中,所述MBS业务的HARQ配置信息包括以下任意一种:
    特定MBS业务的HARQ配置信息;
    特定小区对应的MBS业务的HARQ配置信息;
    特定传输节点对应的MBS业务的HARQ配置信息;
    特定频率范围对应的MBS业务的HARQ配置信息。
  41. 根据权利要求37所述的终端,其中,所述HARQ配置信息与一个或多个MBS业务具有对应关系,所述对应关系是网络侧配置的,或者是协议约定的。
  42. 根据权利要求37所述的终端,其中,所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同;
    或者,
    所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池不同。
  43. 根据权利要求42所述的终端,其中,在所述MBS业务可用的HARQ进程所属的HARQ进程池与单播业务可用的HARQ进程所属的HARQ进程池相同的情况下,所述MBS业务可用的HARQ进程不能用于单播业务的初始传输。
  44. 一种网络设备,包括:
    第二获取模块,用于获取MBS业务的HARQ进程;
    第一发送模块,用于根据所述HARQ进程,发送MBS业务的下行数据。
  45. 根据权利要求44所述的网络设备,还包括:第二发送模块,用于发送指示信息,所述指示信息指示终端根据所述MBS业务的下行数据接收情况发送或不发送HARQ反馈信息。
  46. 根据权利要求44所述的网络设备,其中,第一发送模块进一步用于: 获取所述MBS业务的下行数据的发送配置;根据所述HARQ进程和所述发送配置,发送MBS业务的下行数据。
  47. 一种通信设备,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至20中任一项所述的下行数据接收方法的步骤;或者,如权利要求21至23中任一项所述的下行数据发送方法的步骤。
  48. 一种计算机可读存储介质,其上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至20中任一项所述的下行数据接收方法的步骤;或者,如权利要求21至23中任一项所述的下行数据发送方法的步骤。
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