WO2018157756A1 - 数据处理方法及装置 - Google Patents

数据处理方法及装置 Download PDF

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Publication number
WO2018157756A1
WO2018157756A1 PCT/CN2018/076993 CN2018076993W WO2018157756A1 WO 2018157756 A1 WO2018157756 A1 WO 2018157756A1 CN 2018076993 W CN2018076993 W CN 2018076993W WO 2018157756 A1 WO2018157756 A1 WO 2018157756A1
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WIPO (PCT)
Prior art keywords
resource
control information
data
information
harq process
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PCT/CN2018/076993
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English (en)
French (fr)
Inventor
唐浩
彭金磷
董朋朋
唐臻飞
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP18761130.6A priority Critical patent/EP3565159B1/en
Publication of WO2018157756A1 publication Critical patent/WO2018157756A1/zh
Priority to US16/552,366 priority patent/US11283553B2/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
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • H04L1/1893Physical mapping arrangements
    • 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H04L1/0004Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L1/1835Buffer management
    • 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
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/11Allocation or use of connection identifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025Transmission of mode-switching indication

Definitions

  • the present application relates to wireless communication technologies, and in particular, to a data processing method and apparatus.
  • HARQ Hybrid Automatic Repeat Request
  • MAC Medium Access Control
  • the MAC layer passes the logical channel.
  • a corresponding transport block (TB) is formed, and then the corresponding TB block is handed over to the HARQ entity, and the HARQ entity allocates the HARQ information and the TB to the corresponding HARQ process, and each HARQ entity includes multiple A parallel HARQ process, each HARQ process has a HARQ process number.
  • each HARQ process has a corresponding HARQ buffer, and the received data packet is stored in a HARQ buffer and merged with the subsequently received retransmitted data packet, thereby obtaining a more reliable than the individual decoding. Packet.
  • CA Carrier Aggregation
  • the present application provides a data processing method and apparatus for improving a decoding rate in a carrier aggregation or sub-band aggregation scenario.
  • the first aspect of the present application provides a data processing method, including:
  • the first device receives control information, where the control information includes information of the first resource and information of a HARQ process;
  • the first device transmits data of the HARQ process associated with the first resource on a second resource.
  • a second aspect of the present application provides a data processing method, including:
  • the first device receives control information, where the control information includes information of the first resource and information of a HARQ process;
  • the first device places the data into a cache of the HARQ process of a HARQ entity associated with the first resource.
  • a third aspect of the present application provides a data processing method, including:
  • the second device generates control information, where the control information includes information of the first resource and information of the HARQ process;
  • the second device sends the control information.
  • the second device transmits data associated with the control information on the second resource.
  • a fourth aspect of the present application provides a data processing method, including:
  • the second device sends control information, where the control information includes information of the first resource and information of the HARQ process;
  • the second device receives data of the HARQ process associated with the first resource on a second resource.
  • the information of the first resource is an identifier of a HARQ entity associated with the first resource.
  • the information of the first resource is an identifier of the first resource.
  • control information includes: a modulation mode field, configured to indicate information about the first resource.
  • control information includes: an initial retransmission indication identifier, where the initial retransmission indication identifier is used for retransmitting data or initial transmission data for the current data transmission;
  • the modulation mode field indicates the first resource by a mapping relationship between the modulation mode and the resource.
  • the first resource is one of multiple scheduled carriers.
  • the second resource is a scheduled carrier
  • the first resource is a scheduling carrier
  • the number of the plurality of scheduled carriers is min ⁇ N 1 , N 2 , . . . , N i , . . . , N k ⁇ , wherein the modulation mode field has N i values indicating a modulation order M i , k is an integer greater than 0, 1 ⁇ i ⁇ k, and i is an integer, and both N i and M i are integers greater than zero.
  • a fifth aspect of the present application provides a data processing apparatus, the apparatus comprising means or means for performing the method of the first aspect described above and the various implementations of the first aspect.
  • a sixth aspect of the present application provides a data processing apparatus, the apparatus comprising means or means for performing the methods of the second aspect and the various implementations of the second aspect described above.
  • a seventh aspect of the present application provides a data processing apparatus, the apparatus comprising means or means for performing the methods of the third aspect and the various implementations of the third aspect described above.
  • An eighth aspect of the present application provides a data processing apparatus, the apparatus comprising means or means for performing the methods of the fourth aspect and the various implementations of the fourth aspect described above.
  • a ninth aspect of the present application provides a data processing apparatus, the apparatus comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the first aspect of the present application.
  • a tenth aspect of the present application provides a data processing apparatus, the apparatus comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the second aspect of the present application.
  • An eleventh aspect of the present application provides a data processing apparatus, the apparatus comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the third aspect of the present application.
  • a twelfth aspect of the present application provides a data processing apparatus, the apparatus comprising a processor and a memory, the memory for storing a program, the processor invoking a memory stored program to perform the method provided by the fourth aspect of the present application.
  • a thirteenth aspect of the present application provides a data processing apparatus comprising at least one processing element (or chip) for performing the method of the above first aspect.
  • a fourteenth aspect of the present application provides a data processing apparatus comprising at least one processing element (or chip) for performing the method of the above second aspect.
  • a fifteenth aspect of the present application provides a data processing apparatus comprising at least one processing element (or chip) for performing the method of the above third aspect.
  • a sixteenth aspect of the present application provides a data processing apparatus comprising at least one processing element (or chip) for performing the method of the above fourth aspect.
  • a seventeenth aspect of the present application provides a program for performing the method of the above first aspect when executed by a processor.
  • the eighteenth aspect of the present application provides a program product, such as a computer readable storage medium, comprising the program of the seventeenth aspect.
  • a nineteenth aspect of the present application provides a program for performing the method of the above second aspect when executed by a processor.
  • a twentieth aspect of the present application provides a program product, such as a computer readable storage medium, comprising the program of the nineteenth aspect.
  • a twenty-first aspect of the present application provides a program for performing the method of the above third aspect when executed by a processor.
  • a twenty-second aspect of the present application provides a program product, such as a computer readable storage medium, comprising the program of the twenty first aspect.
  • the twenty-third aspect of the present application provides a program for performing the method of the above fourth aspect when executed by a processor.
  • a twenty-fourth aspect of the present application provides a program product, such as a computer readable storage medium, comprising the program of the twenty-third aspect.
  • a twenty-fifth aspect of the present application provides a data processing apparatus comprising a processor for coupling with a memory, reading an instruction in the memory, and executing the instruction to implement the method of any of the above aspects.
  • the device may further include the memory.
  • the data processing device can be an integrated circuit, a chip system, or a chip.
  • the associated data sent on multiple resources are stored in the cache of the specified process of the specified HARQ entity by the indication of the control information, so as to achieve the merge and improve the translation.
  • Code success rate For example, when the low frequency assisted high frequency performs data retransmission, the low frequency retransmission data packet and the high frequency initial transmission data packet may be placed in the buffer of the same HARQ process to implement soft combining.
  • Figure 1 is a block diagram of a communication system
  • FIG. 2 is a schematic flowchart of a data processing method according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a data processing method according to another embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a data processing method according to another embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a data processing apparatus according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • a base station also known as a radio access network (RAN) device, is a device that connects a terminal to a wireless network, and can be a Global System of Mobile communication (GSM) or code division multiple access.
  • GSM Global System of Mobile communication
  • a Base Transceiver Station (BTS) in Code Division Multiple Access (CDMA) may also be a base station (NodeB, NB) in Wideband Code Division Multiple Access (WCDMA), or may be a long term evolution.
  • the evolved base station (Evolutional Node B, eNB or eNodeB) in the (Long Term Evolution, LTE), or the relay station or the access point, or the base station in the future 5G network, is not limited herein.
  • the wireless terminal can be a wireless terminal or a wired terminal.
  • the wireless terminal can be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless connectivity, or other processing device connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal.
  • RAN Radio Access Network
  • it may be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with a wireless access network.
  • the wireless terminal may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, and a remote terminal.
  • the access terminal, the user terminal (User Terminal), the user agent (User Agent), and the user device (User Device or User Equipment) are not limited herein.
  • plural means two or more.
  • “and/or” describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/” generally indicates that the contextual object is an "or" relationship.
  • Figure 1 is a block diagram of a communication system. As shown in FIG. 1, the communication system includes: a first device 01 and a second device 02.
  • the first device and the second device communicate based on resource aggregation.
  • the resource aggregation may be a carrier aggregation, a subband aggregation, or the like, and is not limited herein.
  • the first device and the second device may be different device combinations in different application scenarios.
  • the first device is a terminal
  • the second device is a base station; for example, the first device is a small station, and the second device is a macro station. There are no restrictions here.
  • Each HARQ entity contains multiple parallel HARQ processes, and each HARQ process has a HARQ process number. And each HARQ process has a corresponding HARQ buffer, and the received data packet is stored in a HARQ buffer and merged with the subsequently received retransmission data packet, that is, the subsequent retransmission data is also placed. Enter the same HARQ cache.
  • the present application proposes a method for indicating which HARQ buffer to retransmit data into after the resource aggregation is introduced.
  • FIG. 2 is a schematic flowchart of a data processing method according to an embodiment of the present application. Taking the first device as the terminal and the second device as the base station, as shown in FIG. 2, the method includes:
  • the base station generates control information, where the control information includes: a New Carrier Indicator Field (NCIF) and a HARQ Process ID (ID).
  • NCIF New Carrier Indicator Field
  • ID HARQ Process ID
  • the new carrier indication field is used to indicate information of the first resource and information of the HARQ process.
  • the NCIF carries the identifier of the HARQ entity associated with the first resource, or the identifier of the first resource. If the identifier of the first resource is carried in the NCIF, the terminal may determine the HARQ entity associated with the first resource according to the identifier of the first resource, because each resource has a unique corresponding HARQ entity.
  • the first resource may refer to a carrier, a subband of the carrier, etc., and is not limited in this application.
  • a carrier can be divided into multiple subbands.
  • each subband can also have its own HARQ entity.
  • This embodiment uses the first resource as a carrier as an example for description.
  • the identifier of the first resource may be an identifier of a carrier, an identifier of a subband, or the like according to an actual situation.
  • the HARQ process is in the cache of y.
  • the base station sends the control information.
  • the base station broadcasts the control information.
  • the base station sends the control information to the terminal in a unicast manner.
  • the terminal detects the foregoing control information on the second resource.
  • the base station sends data of the HARQ process associated with the first resource on the third resource.
  • the terminal receives data of the HARQ process associated with the first resource on the third resource.
  • the second resource and the third resource may or may not be the same resource. For example, if it is cross-carrier scheduling, the second resource and the third resource are not the same resource, and the terminal may receive control information on the second resource and receive data on the third resource.
  • the terminal puts data of the HARQ process associated with the first resource into a cache of the foregoing HARQ process of the HARQ entity associated with the first resource.
  • the terminal may detect the control information on the second resource, and further store the data of the HARQ process associated with the first resource into a cache of a HARQ process of the HARQ entity indicated by the control information. That is, the data soft merge is completed in the specified process.
  • the association data sent on multiple resources are all merged in the cache of the specified process of the specified HARQ entity according to the indication of the control information, so as to achieve the combination and improve the decoding. Success rate.
  • the low frequency assisted high frequency performs data retransmission
  • the low frequency retransmission data packet and the high frequency initial transmission data packet may be placed in the buffer of the same HARQ process to implement soft combining.
  • control information may be Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • FIG. 3 is a schematic flowchart of a data processing method according to another embodiment of the present disclosure.
  • the embodiment shown in FIG. 2 shows that the terminal puts the associated downlink data into the buffer of the designated HARQ process of the designated HARQ entity, and similar operations can be performed for the uplink data base station.
  • Figure 3 shows that the terminal puts the associated downlink data into the buffer of the designated HARQ process of the designated HARQ entity, and similar operations can be performed for the uplink data base station.
  • the base station generates control information, where the control information includes: an NCIF and a HARQ process identifier.
  • the base station sends the control information.
  • the terminal detects the foregoing control information on the third resource.
  • the terminal sends data of the HARQ process associated with the first resource on the second resource.
  • the second resource and the third resource may or may not be the same resource.
  • the second resource and the third resource are the same resource.
  • it is cross-carrier scheduling the second resource and the third resource are not the same resource.
  • the terminal detects the foregoing control information on the third resource, where the control information includes an identifier of the second resource, that is, the third resource is configured to schedule the second resource, where the terminal sends the second resource to be associated with the first resource.
  • the data of the HARQ process is not limited to:
  • the base station puts data of the HARQ process associated with the first resource into a cache of the HARQ process of the HARQ entity associated with the first resource.
  • the associated data sent on multiple resources are all incorporated into the cache of the specified process of the specified HARQ entity to implement the merge, and the decoding success rate is improved.
  • FIG. 4 is a schematic flowchart of a data processing method according to another embodiment of the present application.
  • the difference from the foregoing embodiment is that the control information is different, that is, the indication manner is different.
  • the method includes:
  • the base station generates control information, where the control information includes a modulation mode field, and the information of the first resource is indicated by a modulation mode field.
  • the base station sends the control information.
  • the terminal detects the foregoing control information on the second resource.
  • the base station sends data of the HARQ process associated with the first resource on the third resource.
  • the terminal puts data of the HARQ process associated with the first resource into a cache of the foregoing HARQ process of the HARQ entity associated with the first resource.
  • the control information may be DCI.
  • the DCI includes: a HARQ process number (HARQ process ID), a New Data Indicator (NDI), a Transport Block Size (TBS), and a Modulation and Coding Scheme (MCS). Field.
  • HARQ process ID HARQ process ID
  • NDI New Data Indicator
  • TBS Transport Block Size
  • MCS Modulation and Coding Scheme
  • the HARQ process number uniquely specifies a HARQ process.
  • Each HARQ process saves an NDI value that uses 1 bit to indicate whether the scheduled data is initial or retransmitted. That is, the NDI is the initial retransmission indicator. If the NDI value of the same HARQ process changes (from 0 to 1, or from 1 to 0), it means that the current transmission is the initial transmission of a new data block, and no change indicates that the current transmission is the same.
  • NDI if the two NDIs are the same, it is considered to be the first pass; if it is different, it is considered to be a retransmission.
  • the retransmitted TBS is usually unchanged, consistent with the initial TBS.
  • the MCS field is the modulation mode field, and the DCI uses a 5-bit MCS index (0 to 31) to indicate the modulation and coding patterns used for the current transmission, and affects the selection of the TBS size.
  • MCS index is multiplexed to indicate the first resource.
  • the MCS index is still the original function, indicating the current modulation order. If the NDI is unchanged, indicating that the current data transmission is retransmitting data, the MCS index indicates the first resource.
  • the mapping relationship between the MCS index and the resources may be pre-configured. As shown in Table 1, taking the carrier as a resource, the first column of Table 1 is the MCS index, and the fourth column is the corresponding carrier number, and further can indicate the HARQ entity corresponding to the carrier.
  • the modulation mode indicated by a certain MCS index is a and the HARQ entity is CCb, it indicates that the modulation order used for the current data retransmission is a, and the current data retransmission is managed by the HARQ entity of the carrier b.
  • the initial transmission and retransmission data associated with this transmission are all placed in the buffer of the process c in the HARQ entity of the carrier b.
  • the base station records the primary carrier as "Carrier 0”, and the other carriers are mapped from Carrier 1 to Carrier N-1 according to the carrier index (sCellIndex-r10). Or, the terminal is configured with N carriers, but only K carriers are numbered. Specifically, the base station records the primary carrier as “Carrier 0”, and selects K-1 carriers from the remaining N-1 carriers to notify the terminal. These K-1 carriers are mapped from small to large to carrier 1 to carrier K-1. Where N is an integer greater than 0 and K is an integer greater than 0 and less than N.
  • the modulation mode field has N i values indicating the modulation order M i , and the value of the adjustment mode identifier can be mapped with min ⁇ N 1 , N 2 , . . . , N i , . . . , N k ⁇ .
  • k is an integer greater than 0, 1 ⁇ i ⁇ k, and i is an integer, and both N i and M i are integers greater than zero.
  • the terminal may be configured to be scheduled across resources or not across resources.
  • cross-resource scheduling allows one cell to schedule resources of other cells.
  • cross-carrier scheduling allows one cell to schedule radio resources on another cell through a Physical Downlink Control Channel (PDCCH), that is, downlink control information is transmitted on one cell, but corresponding downlink data or uplink data is in another Transmission on one cell.
  • PDCCH Physical Downlink Control Channel
  • the downlink control information sent on each cell does not correspond to the downlink resource allocation or the uplink resource allocation of the local cell.
  • the base station notifies the terminal on which resource to receive the DCI, that is, notifies the terminal resource identifier, and the terminal receives the DCI according to the resource identifier in the corresponding resource.
  • the DCI includes: a resource identifier field.
  • the first resource is one of multiple scheduled carriers.
  • the first resource is indicated by a modulation mode field, where the number of the plurality of scheduled carriers is min ⁇ N 1 , N 2 , . . . , N i , . . . , N k ⁇ , wherein the modulation mode field has N i values indicating the modulation order M i , k is an integer greater than 0, 1 ⁇ i ⁇ k, and i is an integer, and both N i and M i are integers greater than zero.
  • carrier n cross-carriers to schedule multiple carriers, there are multiple corresponding HARQ entities, and one of the HARQ entities is selected for management, that is, the associated initial transmission and retransmission data are put into the cache of the specified process of the specified HARQ entity.
  • the mapping relationship between the MCS index and the HARQ entity may be as shown in Table 2.
  • One carrier can schedule multiple carriers, but one carrier can only be scheduled by one carrier.
  • the first resource is a scheduling carrier
  • the second resource is a scheduled carrier. That is, the first carrier schedules the second carrier, and the associated data transmission may be managed by the HARQ entity corresponding to the first carrier or the second carrier.
  • the mapping relationship between the MCS index and the HARQ entity may be as shown in Table 3.
  • the second device sends control information to indicate the information of the first resource and the information of the HARQ process, and send the data of the HARQ process associated with the first resource on the second resource
  • the first device receives the control information.
  • the first device receives the data associated with the control information on the second resource, and puts the data into the cache of the specified process of the HARQ entity associated with the first resource to implement resource aggregation.
  • FIG. 5 is a schematic structural diagram of a data processing apparatus according to an embodiment of the present disclosure.
  • the device may be integrated in the first device, and specifically, the device includes: a receiving module 501 and a sending module 502, where:
  • the receiving module 501 is configured to receive control information, where the control information includes information about a first resource and information of a HARQ process.
  • the sending module 502 is configured to send, by using the second resource, data of the HARQ process that is associated with the first resource.
  • FIG. 6 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • the device may be integrated in the first device.
  • the device includes: a receiving module 601 and a processing module 602, where:
  • the receiving module 601 is configured to receive control information, where the control information includes information of a first resource and information of a HARQ process, and data associated with the control information is received on a second resource.
  • the processing module 602 is configured to put the data into a cache of the HARQ process of the HARQ entity associated with the first resource.
  • FIG. 7 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present application.
  • the device may be integrated in the foregoing second device.
  • the device includes: a generating module 701 and a sending module 702, where:
  • the generating module 701 is configured to generate control information, where the control information includes information of the first resource and information of the HARQ process.
  • the sending module 702 is configured to send the control information.
  • FIG. 8 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • the device may be integrated in the foregoing second device.
  • the device includes: a sending module 801 and a receiving module 802, where:
  • the sending module 801 is configured to send control information, where the control information includes information of a first resource and information of a hybrid automatic repeat request HARQ process.
  • the receiving module 802 is configured to receive data of the HARQ process associated with the first resource on a second resource.
  • the information of the first resource is an identifier of the HARQ entity associated with the first resource, based on the embodiment shown in FIG. 5 to FIG. 8 .
  • the information of the first resource is an identifier of the first resource.
  • control information includes: a modulation mode field, configured to indicate information about the first resource.
  • control information includes: an initial retransmission indication identifier, where the initial retransmission indication identifier is used for retransmitting data or initial transmission data for the current data transmission;
  • the modulation mode field indicates the first resource by a mapping relationship between the modulation mode and the resource.
  • the first resource is one of multiple scheduled carriers.
  • the second resource is a scheduled carrier
  • the first resource is a scheduling carrier
  • the second resource is a scheduled carrier
  • the first resource is a scheduling carrier
  • the number of the plurality of scheduled carriers is min ⁇ N 1 , N 2 , . . . , N i , . . . , N k ⁇ , wherein the modulation mode field has N i values indicating a modulation order M i , k is an integer greater than 0, 1 ⁇ i ⁇ k, and i is an integer, and both N i and M i are integers greater than zero.
  • FIG. 5 to FIG. 8 The device provided in the foregoing FIG. 5 to FIG. 8 is used to perform the foregoing method, and the specific implementation and technical effects are similar, and details are not described herein again.
  • each module of the above device is only a division of a logical function, and the actual implementation may be integrated into one physical entity in whole or in part, or may be physically separated.
  • these modules can all be implemented by software in the form of processing component calls; or all of them can be implemented in hardware form; some modules can be realized by processing component calling software, and some modules are realized by hardware.
  • the determining module may be a separately set processing element, or may be integrated in one of the above-mentioned devices, or may be stored in the memory of the above device in the form of program code, by one of the processing elements of the above device. Call and execute the functions of the above determination module.
  • the implementation of other modules is similar.
  • all or part of these modules can be integrated or implemented independently.
  • the processing elements described herein can be an integrated circuit with signal processing capabilities. In the implementation process, each step of the above method or each of the above modules may be completed by an integrated logic circuit of hardware in the processor element or an instruction in a form of software.
  • the above modules may be one or more integrated circuits configured to implement the above methods, such as one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (digital) Singnal processor (DSP), or one or more Field Programmable Gate Array (FPGA).
  • ASICs Application Specific Integrated Circuits
  • DSP digital Singnal processor
  • FPGA Field Programmable Gate Array
  • the processing component can be a general purpose processor, such as a central processing unit (CPU) or other processor that can invoke program code.
  • these modules can be integrated and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • FIG. 9 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • the device may be integrated in the first device described above.
  • the device includes a processor 91, a storage component 92, and a transceiver device 93.
  • the transceiver device 93 can be connected to an antenna. In the downlink direction, the transceiver 93 receives the information sent by the second device through the antenna, and sends the information to the processor 91 for processing; in the uplink direction, the processor 91 processes the data of the device, and sends the data through the transceiver 93. Give the second device.
  • the storage unit 92 is configured to store the program code of the foregoing method embodiment, or the modules of the embodiment shown in FIG. 5 and FIG. 6, the processor 91 calls the program code, and performs the operations of the foregoing method embodiments to implement FIG. 5 and FIG. 6 shows the various modules of the embodiment.
  • part or all of the above units may be implemented by being embedded in a chip of the terminal in the form of a Field Programmable Gate Array (FPGA). And they can be implemented separately or integrated.
  • FPGA Field Programmable Gate Array
  • the processing elements herein are the same as described above, and may be a general-purpose processor, such as a CPU, or may be one or more integrated circuits configured to implement the above method, for example, one or more specific integrated circuits (ASICs). Or, one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
  • the storage element can be a storage device or a collective name for a plurality of storage elements.
  • a plurality of interfaces may be disposed on the processor for respectively connecting peripheral devices or interface circuits connected to the peripheral devices.
  • peripheral devices for example, an interface for connecting a display screen, an interface for connecting to a camera, an interface for connecting an audio processing element, and the like.
  • FIG. 10 is a schematic structural diagram of a data processing apparatus according to another embodiment of the present disclosure.
  • the device may be integrated in the second device described above.
  • the device includes an antenna 11, a radio frequency device 12, and a baseband device 13.
  • the antenna 11 is connected to the radio frequency device 12.
  • the radio frequency device 12 receives information through the antenna 11, and transmits the received information to the baseband device 13 for processing.
  • the baseband device 13 processes the information to be transmitted and transmits it to the radio frequency device 12.
  • the radio frequency device 12 processes the received information and transmits it via the antenna 11.
  • the above-described band processing device may be located in the baseband device 13, and the method provided in the above embodiment may be implemented in the baseband device 13, which includes the processing element 131 and the storage element 132.
  • the baseband device 13 may, for example, comprise at least one baseband board having a plurality of chips disposed thereon, as shown in FIG. 10, one of which is, for example, a processing component 131, coupled to the storage component 132 to invoke a program in the storage component 132
  • the operations shown in the above method embodiments are performed.
  • the baseband device 13 may further include an interface 133 for interacting with the radio frequency device 12, such as a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the processing element herein may be a processor or a collective name of a plurality of processing elements.
  • the processing element may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method.
  • the processing element may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method.
  • the storage element can be a memory or a collective name for a plurality of storage elements.
  • the embodiment of the present application further provides a data processing apparatus including a processor for coupling with a memory, reading an instruction in the memory, and executing the instruction to implement the method of any of the above embodiments.
  • the device may further include the memory.
  • the data processing device can be an integrated circuit, a chip system, or a chip.

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Abstract

本申请提供一种数据处理方法及装置,该方法包括:第一设备接收控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息,进而第一设备在第二资源上接收所述控制信息关联的数据,并将所述数据放入所述第一资源所关联的HARQ实体的所述HARQ进程的缓存中。实现了多个资源上发送的关联数据,例如初传数据、重传数据,都通过控制信息的指示存入指定HARQ实体的指定进程的缓存,以实现合并,提高了译码成功率。

Description

数据处理方法及装置
本申请要求于2017年02月28日提交中国专利局、申请号为201710114335.X、申请名称为“数据处理方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信技术,尤其涉及一种数据处理方法及装置。
背景技术
在长期演进(Long Term Evolution,LTE)中,混合自动重传请求(Hybrid Automatic Repeat Request,HARQ)实体存在于介质访问控制(Media Access Control,MAC)层,发送数据时,MAC层通过将逻辑信道和控制单元复用以后,形成对应的传输块(Transport Block,TB),然后将对应的TB块交给HARQ实体,HARQ实体将HARQ信息和TB分配给对应的HARQ进程,每个HARQ实体包含多个并行的HARQ进程,每个HARQ进程都有一个HARQ进程号。并且每个HARQ进程都有一个对应的HARQ缓存(buffer),接收到的数据包会保存在一个HARQ buffer中,并与后续接收到的重传数据包进行合并,从而得到一个比单独解码更可靠的数据包。
随着智能终端用户的不断增长、用户业务量和数据吞吐量不断增加,对通信速率提出了更高要求。然而,无线频谱资源短缺,很难找到连续的大带宽供移动通信采用,因此,在LTE中引入了载波聚合(Carrier Aggregation,CA)技术,把多个连续或不连续的频谱聚合使用,从技术上解决了移动通信对于大带宽的需求,同时也提高了无线频带中零散频谱的利用率。5G可以使用更多的频谱资源,比如3.5GHz band频谱,6GHz以上高频频谱,为了支持5G中大带宽连续频谱,可以将一个载波分为多个子带,每个子带有自己独立的资源调度过程、独立的HARQ进程,通过聚合多个子带使得UE支持大带宽载波。
但是,在载波聚合或子带聚合场景下,如何提高译码率是呈待解决的问题。
发明内容
本申请提供一种数据处理方法及装置,用于在载波聚合或子带聚合场景下,提高译码率。
本申请第一方面提供一种数据处理方法,包括:
第一设备接收控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息;
所述第一设备在第二资源上发送与所述第一资源关联的所述HARQ进程的数据。
本申请第二方面提供一种数据处理方法,包括:
第一设备接收控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息;
所述第一设备在第二资源上接收所述控制信息关联的数据;
所述第一设备将所述数据放入所述第一资源所关联的HARQ实体的所述HARQ进程的缓存中。
本申请第三方面提供一种数据处理方法,包括:
第二设备生成控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息;
所述第二设备发送所述控制信息。
可选地,第二设备在第二资源上发送与控制信息关联的数据。
本申请第四方面提供一种数据处理方法,包括:
第二设备发送控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息;
所述第二设备在第二资源上接收与所述第一资源关联的所述HARQ进程的数据。
基于第一至第四方面:
可选地,所述第一资源的信息为所述第一资源关联的HARQ实体的标识。
可选地,所述第一资源的信息为所述第一资源的标识。
可选地,所述控制信息包括:调制方式字段,用于指示所述第一资源的信息。
可选地,所述控制信息包括:初重传指示标识,所述初重传指示标识用于本次数据传输是重传数据或初传数据;
其中,所述初重传指示标识指示本次数据传输是重传数据时,所述调制方式字段通过调制方式与资源的映射关系指示所述第一资源。
可选地,所述第二资源为调度载波时,所述第一资源为多个被调度载波中的一个。
可选地,所述第二资源为被调度载波,所述第一资源为调度载波。
可选地,所述多个被调度载波的个数为min{N 1,N 2,…,N i,…,N k},其中,所述调制方式字段有N i个值指示调制阶数M i,k为大于0的整数,1≤i≤k,且i为整数,N i和M i均为大于0的整数。
本申请第五方面提供一种数据处理装置,所述装置包括用于执行上述第一方面以及第一方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第六方面提供一种数据处理装置,所述装置包括用于执行上述第二方面以及第二方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第七方面提供一种数据处理装置,所述装置包括用于执行上述第三方面以及第三方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第八方面提供一种数据处理装置,所述装置包括用于执行上述第四方面以及第四方面的各种实现方式所提供的方法的模块或手段(means)。
本申请第九方面提供一种数据处理装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第一方面提供的方法。
本申请第十方面提供一种数据处理装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第二方面提供的方法。
本申请第十一方面提供一种数据处理装置,所述装置包括处理器和存储器,存储器用于存储程序,处理器调用存储器存储的程序,以执行本申请第三方面提供的方法。
本申请第十二方面提供一种数据处理装置,所述装置包括处理器和存储器,存储 器用于存储程序,处理器调用存储器存储的程序,以执行本申请第四方面提供的方法。
本申请第十三方面提供一种数据处理装置,包括用于执行以上第一方面的方法的至少一个处理元件(或芯片)。
本申请第十四方面提供一种数据处理装置,包括用于执行以上第二方面的方法的至少一个处理元件(或芯片)。
本申请第十五方面提供一种数据处理装置,包括用于执行以上第三方面的方法的至少一个处理元件(或芯片)。
本申请第十六方面提供一种数据处理装置,包括用于执行以上第四方面的方法的至少一个处理元件(或芯片)。
本申请第十七方面提供一种程序,该程序在被处理器执行时用于执行以上第一方面的方法。
本申请第十八方面提供一种程序产品,例如计算机可读存储介质,包括第十七方面的程序。
本申请第十九方面提供一种程序,该程序在被处理器执行时用于执行以上第二方面的方法。
本申请第二十方面提供一种程序产品,例如计算机可读存储介质,包括第十九方面的程序。
本申请第二十一方面提供一种程序,该程序在被处理器执行时用于执行以上第三方面的方法。
本申请第二十二方面提供一种程序产品,例如计算机可读存储介质,包括第二十一方面的程序。
本申请第二十三方面提供一种程序,该程序在被处理器执行时用于执行以上第四方面的方法。
本申请第二十四方面提供一种程序产品,例如计算机可读存储介质,包括第二十三方面的程序。
本申请第二十五方面提供一种数据处理装置,包括处理器,用于与存储器耦合,读取存储器中的指令,并执行所述指令以实现上述任一方面的方法。可选的,该装置还可以包括该存储器。可选的,该数据处理装置可以是集成电路,芯片系统,或者芯片。
在以上各个方面中,实现了多个资源上发送的关联数据,例如初传数据、重传数据,都通过控制信息的指示存入指定HARQ实体的指定进程的缓存,以实现合并,提高了译码成功率。举例说明,当低频辅助高频进行数据重传时,可以把低频重传数据包和高频初传数据包放入同一HARQ进程的缓存中,实现软合并。
附图说明
图1为一种通信系统的框架图;
图2为本申请一实施例提供的数据处理方法流程示意图;
图3为本申请另一实施例提供的数据处理方法流程示意图;
图4为本申请另一实施例提供的数据处理方法流程示意图;
图5为本申请一实施例提供的数据处理装置结构示意图;
图6为本申请另一实施例提供的数据处理装置结构示意图;
图7为本申请另一实施例提供的数据处理装置结构示意图;
图8为本申请另一实施例提供的数据处理装置结构示意图;
图9为本申请另一实施例提供的数据处理装置结构示意图;
图10为本申请另一实施例提供的数据处理装置结构示意图。
具体实施方式
以下,对本申请中的部分用语进行解释说明,以便于本领域技术人员理解:
基站:又称为无线接入网(Radio Access Network,RAN)设备,是一种将终端接入到无线网络的设备,可以是全球移动通讯(Global System of Mobile communication,GSM)或码分多址(Code Division Multiple Access,CDMA)中的基站(Base Transceiver Station,BTS),也可以是宽带码分多址(Wideband Code Division Multiple Access,WCDMA)中的基站(NodeB,NB),还可以是长期演进(Long Term Evolution,LTE)中的演进型基站(Evolutional Node B,eNB或eNodeB),或者中继站或接入点,或者未来5G网络中的基站等,在此并不限定。
终端:可以是无线终端也可以是有线终端,无线终端可以是指向用户提供语音和/或其他业务数据连通性的设备,具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端可以经无线接入网(Radio Access Network,RAN)与一个或多个核心网进行通信,无线终端可以是移动终端,如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机,例如,可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置,它们与无线接入网交换语言和/或数据。例如,个人通信业务(Personal Communication Service,PCS)电话、无绳电话、会话发起协议(Session Initiation Protocol,SIP)话机、无线本地环路(Wireless Local Loop,WLL)站、个人数字助理(Personal Digital Assistant,PDA)等设备。无线终端也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station),移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、用户代理(User Agent)、用户设备(User Device or User Equipment),在此不作限定。
本申请中,“多个”是指两个或两个以上。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
图1为一种通信系统的框架图。如图1所示,该通信系统包括:第一设备01和第二设备02。
第一设备和第二设备基于资源聚合进行通信。这里资源聚合可以是载波聚合、子带聚合等,在此不作限制。
其中,不同的应用场景中,第一设备和第二设备可以为不同的设备组合。例如:第一设备为终端、第二设备为基站;又例如:第一设备为小站,第二设备为宏站。在此不作限制。
每个HARQ实体包含多个并行的HARQ进程,每个HARQ进程都有一个HARQ进程号。并且每个HARQ进程都有一个对应的HARQ缓存(buffer),接收到的数据包会保存在一个HARQ buffer中,并与后续接收到的重传数据包进行合并,也就是后续重传数据也放入同一HARQ缓存。本申请提出一种方法,针对引入资源聚合后,如何指示重传数据放入哪一HARQ缓存。
图2为本申请一实施例提供的数据处理方法流程示意图。以第一设备为终端,第二设备为基站为例,如图2所示,该方法包括:
S201、基站生成控制信息,该控制信息包括:新载波指示字段(New Carrier Indicator Field,NCIF)、HARQ进程标识(ID)。
新载波指示字段用于指示第一资源的信息和HARQ进程的信息。可选地,NCIF中携带第一资源关联的HARQ实体的标识,或者,第一资源的标识。如果NCIF中携带第一资源的标识,由于每个资源有唯一对应的HARQ实体,终端可以根据第一资源的标识确定出第一资源关联的HARQ实体。
第一资源可以指一个载波、载波中的一个子带等,本申请中不作限制。一个载波可以划分为多个子带,第一资源为一个子带时,每个子带也可以有自己HARQ实体。本实施例以第一资源为一个载波为例进行说明。具体地,第一资源的标识,根据实际情况可以是载波的标识、子带的标识等。
NCIF=x、ID=y表示本次数据传输由载波x关联的HARQ实体管理,并在载波x的关联HARQ实体的HARQ进程y解码或合并数据,即终端将数据放入载波x的关联HARQ实体的HARQ进程y的缓存中。
S202、基站发送该控制信息。
可选地,基站广播该控制信息。或者基站采用单播方式向终端发送该控制信息。
S203、终端在第二资源上检测到上述控制信息。
S204、基站在第三资源上发送与第一资源关联的HARQ进程的数据。
相应地,终端在第三资源上接收到与第一资源关联的HARQ进程的数据。
第二资源和第三资源可以是同一资源,也可以不是同一资源。例如:如果是跨载波调度,那么第二资源和第三资源不是同一资源,终端可以在第二资源上接收控制信息,在第三资源上接收数据。
S205、终端将与第一资源关联的HARQ进程的数据放入第一资源所关联的HARQ实体的上述HARQ进程的缓存中。
终端可以在第二资源上检测到控制信息,进而将与第一资源关联的HARQ进程的数据存入控制信息指示的HARQ实体的某个HARQ进程的缓存中。也就是在指定进程中完成了数据软合并。
本实施例中,实现了多个资源上发送的关联数据,例如初传数据、重传数据,都根据控制信息的指示合并在指定HARQ实体的指定进程的缓存,以实现合并,提高了译码成功率。举例说明,当低频辅助高频进行数据重传时,可以把低频重传数据包和高频初传数据包放入同一HARQ进程的缓存中,实现软合并。
可选地,该控制信息可以是下行控制信息(Downlink Control Information,DCI)。
图3为本申请另一实施例提供的数据处理方法流程示意图。图2所示实施例示出的是终端将关联的下行数据放入指定HARQ实体的指定HARQ进程的缓存中,对于上行数据基站也可以进行类似操作。如图3所示:
S301、基站生成控制信息,该控制信息包括:NCIF、HARQ进程标识。
S302、基站发送该控制信息。
S303、终端在第三资源上检测到上述控制信息。
S301~S303参见前述S201~S203,在此不再赘述。
S304、终端在第二资源上发送与第一资源关联的HARQ进程的数据。
第二资源和第三资源可以是同一资源,也可以不是同一资源。非跨资源调度时,第二资源和第三资源为同一资源。例如:如果是跨载波调度,那么第二资源和第三资源不是同一资源。
可选地,终端在第三资源上检测到上述控制信息,控制信息中包括第二资源的标识,即指示第三资源调度第二资源,那么终端在第二资源上发送与第一资源关联的HARQ进程的数据。
S305、基站将与第一资源关联的HARQ进程的数据放入第一资源所关联HARQ实体的上述HARQ进程的缓存中。
本实施例中,实现了多个资源上发送的关联数据,例如初传数据、重传数据,都并入指定HARQ实体的指定进程的缓存,以实现合并,提高了译码成功率。
图4为本申请另一实施例提供的数据处理方法流程示意图。与前述实施例的区别在于控制信息不同,即具体地指示方式不同。以第一设备为终端,第二设备为基站为例,如图4所示,该方法包括:
S401、基站生成控制信息,该控制信息包括调制方式字段,通过调制方式字段指示第一资源的信息。
S402、基站发送该控制信息。
S403、终端在第二资源上检测到上述控制信息。
S404、基站在第三资源上发送与第一资源关联的HARQ进程的数据。
S405、终端将与第一资源关联的HARQ进程的数据放入第一资源所关联HARQ实体的上述HARQ进程的缓存中。
上述步骤的具体执行可以参见图2所示实施例。上行方向上,S404~S405也可以替换为S304~S305,具体参见图3所示实施例。
具体地,本实施例中,控制信息可以是DCI。该DCI包括:HARQ进程号(HARQ process number/HARQ process ID)、新数据标识(New Data Indicator,NDI)、传输块大小(Transport Block Size,TBS)、编码调制样式(Modulation and Coding Scheme,MCS)字段。
其中,HARQ进程号唯一地指定一个HARQ process。
每个HARQ process会保存一个NDI值,该值使用1比特来指示被调度的数据是初传还是重传。即NDI是初重传指示标识。如果同一HARQ process的NDI值与之前相比发生了变化(由0变为1,或者由1变为0),则表示当前传输是一个新数据块的 初传,不发生变化表示当前传输是同一个数据块的重传。举例说明,终端在第二资源上检测到上述控制信息并在第二资源上接收数据,上述控制信息指示HARQ ID=n,UE比较第二资源关联的HARQ进程n上的NDI与该控制信息中的NDI,如果两个NDI相同,则认为是初传;如果不同,则认为是重传。
重传的TBS通常是不变的,与初传的TBS保持一致。
MCS字段即调制方式字段,DCI使用5比特的MCS标识(index)(0~31)来指示当前传输所使用的调制和编码样式,并影响到TBS大小的选择。MCS共计32种组合,其中3种组合(索引为29~31)是预留的,且这3种组合只用于重传。由于重传使用的TBS与初传一样,对于重传,只需要通过MCS index通知调制方式,TBS index没有实际意义。本实施例中复用MCS index来指示第一资源。
NDI发生变化,即指示本次数据传输是初传数据时,MCS index仍为原本的作用,指示本次调制阶数。如果NDI不变,即指示本次数据传输是重传数据,那么MCS index指示第一资源。
具体地,可以预先配置MCS index和资源之间的映射关系。如表1所示,以载波作为资源为例,表1的第一列为MCS index,第四列为对应的载波编号,进而可以指示载波对应的HARQ实体(HARQ entity)。
表1
Figure PCTCN2018076993-appb-000001
参见表1,当某个MCS index指示的调制方式为a,HARQ实体为CCb时,表示本次数据重传使用的调制阶数为a,本次数据重传由载波b的HARQ实体进行管理。结合DCI中HARQ进程号=c,将本次传输关联的初传、重传数据都放入载波b的HARQ实体中进程c的缓存。
需要说明的是,假设终端被配置了N个载波,基站将主载波记为“载波0”,其他载波根据载波的索引(sCellIndex-r10)由小到大映射为载波1到载波N-1。或者,终端被配置了N个载波,但是只有K个载波进行编号,具体地,基站将主载波记为“载波0”,并从剩余N-1个载波中选取K-1个载波通知终端,这K-1个载波由小到大映射为载波1到载波K-1。其中N为大于0的整数,K为大于0且小于N的整数。
其中,调制方式字段有N i个值指示调制阶数M i,所述调整方式标识的值可映射 的资源标识有min{N 1,N 2,…,N i,…,N k}个。例如表1中有0-9、以及29这11个值指示调制阶数2,10-16、30这8个值指示调制阶数4,17-28、31这13个值指示调制阶数6,可见N 1=11,N 2=8,N 3=13,那么可以映射的资源标识有min{N 1,N 2,N 3}=8个,记为“CC0~CC7”。其中,k为大于0的整数,1≤i≤k,且i为整数,N i和M i均为大于0的整数。
进一步地,资源聚合场景下,终端可以配置为跨资源调度或者不跨资源调度。
其中,跨资源调度允许一个小区调度其他小区的资源。例如跨载波调度,允许一个小区通过物理下行控制信道(Physical Downlink Control Channel,PDCCH)调度另一个小区上的无线资源,即下行控制信息在一个小区上传输,但对应的下行数据或上行数据在另一个小区上传输。
不跨资源调度,即每个小区上发送的下行控制信息对应本小区的下行资源分配或上行资源分配。
如果终端被配置了跨资源调度,基站会通知终端在哪个资源上接收DCI,即通知终端资源标识,终端根据资源标识在对应的资源接收DCI。可选地,在终端被配置跨资源调度时,DCI中包括:资源标识字段。如果是跨载波调度,资源标识字段可以为:载波标识字段(Carrier Indicator Field,CIF),当CIF=m时,表示这个DCI是载波m的控制信息。
在上述实施例的基础上,第二资源为调度载波时,第一资源为多个被调度载波中的一个。
通过调制方式字段指示第一资源,多个被调度载波的个数为min{N 1,N 2,…,N i,…,N k},其中调制方式字段有N i个值指示调制阶数M i,k为大于0的整数,1≤i≤k,且i为整数,N i和M i均为大于0的整数。
当载波n跨载波调度多个载波时,对应的HARQ实体会有多个,选其中一个HARQ实体进行管理,即将关联的初传和重传数据放入指定HARQ实体的指定进程的缓存中。
假设第二载波n调度载波m1、m2、m3,在NDI指示本次传输为重传数据时,MCS index与HARQ实体的映射关系可以如表2所示,
表2
Figure PCTCN2018076993-appb-000002
一个载波可以调度多个载波,但是一个载波只能被一个载波调度。第一资源为调度载波时,第二资源为被调度载波。即第一载波调度第二载波,那么关联的数据传输可以由第一载波或第二载波对应的HARQ实体进行管理。
假设第一载波n调度第二载波m,在NDI指示本次传输为重传数据时,MCS index与HARQ实体的映射关系可以如表3所示,
表3
Figure PCTCN2018076993-appb-000003
基于上述实施例,可见,本申请中,第二设备发送控制信息,以指示第一资源的信息和HARQ进程的信息,并在第二资源上发送与第一资源关联的该HARQ进程的数据,第一设备接收控制信息。第一设备在第二资源上接收到控制信息关联的数据,就将数据放入第一资源所关联的HARQ实体的指定进程的缓存中,以实现资源聚合。
图5为本申请一实施例提供的数据处理装置结构示意图。该装置可以集成于上述第一设备,具体地,该装置包括:接收模块501和发送模块502,其中:
接收模块501,用于接收控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息。
发送模块502,用于在第二资源上发送与所述第一资源关联的所述HARQ进程的数据。
图6为本申请另一实施例提供的数据处理装置结构示意图。该装置可以集成于上 述第一设备,具体地,该装置包括:接收模块601和处理模块602,其中:
接收模块601,用于接收控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息;在第二资源上接收所述控制信息关联的数据。
处理模块602,用于将所述数据放入所述第一资源所关联的HARQ实体的所述HARQ进程的缓存中。
图7为本申请另一实施例提供的数据处理装置结构示意图。该装置可以集成于上述第二设备,具体地,该装置包括:生成模块701和发送模块702,其中:
生成模块701,用于生成控制信息,所述控制信息包括第一资源的信息和HARQ进程的信息。
发送模块702,用于发送所述控制信息。
图8为本申请另一实施例提供的数据处理装置结构示意图。该装置可以集成于上述第二设备,具体地,该装置包括:发送模块801和接收模块802,其中:
发送模块801,用于发送控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息。
接收模块802,用于在第二资源上接收与所述第一资源关联的所述HARQ进程的数据。
基于图5~图8所示的实施例,可选地,所述第一资源的信息为所述第一资源关联的HARQ实体的标识。
可选地,所述第一资源的信息为所述第一资源的标识。
可选地,所述控制信息包括:调制方式字段,用于指示所述第一资源的信息。
可选地,所述控制信息包括:初重传指示标识,所述初重传指示标识用于本次数据传输是重传数据或初传数据;
其中,所述初重传指示标识指示本次数据传输是重传数据时,所述调制方式字段通过调制方式与资源的映射关系指示所述第一资源。
可选地,所述第二资源为调度载波时,所述第一资源为多个被调度载波中的一个。
可选地,所述第二资源为被调度载波,所述第一资源为调度载波。
可选地,所述第二资源为被调度载波,所述第一资源为调度载波。
可选地,所述多个被调度载波的个数为min{N 1,N 2,…,N i,…,N k},其中,所述调制方式字段有N i个值指示调制阶数M i,k为大于0的整数,1≤i≤k,且i为整数,N i和M i均为大于0的整数。
上述图5~图8提供的装置用于执行前述方法,具体实现方式和技术效果类似,这里不再赘述。
需要说明的是,应理解以上装置的各个模块的划分仅仅是一种逻辑功能的划分,实际实现时可以全部或部分集成到一个物理实体上,也可以物理上分开。且这些模块可以全部以软件通过处理元件调用的形式实现;也可以全部以硬件的形式实现;还可以部分模块通过处理元件调用软件的形式实现,部分模块通过硬件的形式实现。例如,确定模块可以为单独设立的处理元件,也可以集成在上述装置的某一个芯片中实现, 此外,也可以以程序代码的形式存储于上述装置的存储器中,由上述装置的某一个处理元件调用并执行以上确定模块的功能。其它模块的实现与之类似。此外这些模块全部或部分可以集成在一起,也可以独立实现。这里所述的处理元件可以是一种集成电路,具有信号的处理能力。在实现过程中,上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如,以上这些模块可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个特定集成电路(Application Specific Integrated Circuit,ASIC),或,一个或多个微处理器(digital singnal processor,DSP),或,一个或者多个现场可编程门阵列(Field Programmable Gate Array,FPGA)等。再如,当以上某个模块通过处理元件调度程序代码的形式实现时,该处理元件可以是通用处理器,例如中央处理器(Central Processing Unit,CPU)或其它可以调用程序代码的处理器。再如,这些模块可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现。
图9为本申请另一实施例提供的数据处理装置结构示意图。该装置可以集成于上述第一设备,具体地,该装置包括:处理器91、存储元件92、收发装置93。
其中,收发装置93可以与天线连接。在下行方向上,收发装置93通过天线接收第二设备发送的信息,并将信息发送给处理器91进行处理;在上行方向上,处理器91对该装置的数据进行处理,并通过收发装置93发送给第二设备。
存储元件92用于存储实现以上方法实施例,或者图5、图6所示实施例各个模块的程序代码,处理器91调用该程序代码,执行以上方法实施例的操作,以实现图5、图6所示实施例各个模块。
或者,以上各个单元的部分或全部也可以通过现场可编程门阵列(Field Programmable Gate Array,FPGA)的形式内嵌于该终端的某一个芯片上来实现。且它们可以单独实现,也可以集成在一起。
这里的处理元件同以上描述,可以是通用处理器,例如CPU,还可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个特定集成电路(Application Specific Integrated Circuit,ASIC),或,一个或多个微处理器(digital singnal processor,DSP),或,一个或者多个现场可编程门阵列(Field Programmable Gate Array,FPGA)等。存储元件可以是一个存储装置,也可以是多个存储元件的统称。
另外,该处理器上可以设置多个接口,分别用于连接外围设备或与外围设备连接的接口电路。例如,用于连接显示屏的接口,用于连接摄像头的接口,用于连接音频处理元件的接口等。
图10为本申请另一实施例提供的数据处理装置结构示意图。该装置可以集成于上述第二设备,具体地,该装置包括:天线11、射频装置12、基带装置13。天线11与射频装置12连接。在上行方向上,射频装置12通过天线11接收信息,将接收的信息发送给基带装置13进行处理。在下行方向上,基带装置13对要发送的信息进行处理,并发送给射频装置12,射频装置12对收到的信息进行处理后经过天线11发送出去。
上述频带处理装置可以位于基带装置13中,以上实施例提供的方法可以在基带装置13中实现,该基带装置13包括处理元件131和存储元件132。基带装置13例如可 以包括至少一个基带板,该基带板上设置有多个芯片,如图10所示,其中一个芯片例如为处理元件131,与存储元件132连接,以调用存储元件132中的程序,执行以上方法实施例中所示的操作。
该基带装置13还可以包括接口133,用于与射频装置12交互信息,该接口例如为通用公共无线接口(common public radio interface,CPRI)。
这里的处理元件可以是一个处理器,也可以是多个处理元件的统称,例如,该处理元件可以是CPU,也可以是ASIC,或者是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个微处理器DSP,或,一个或者多个现场可编程门阵列FPGA等。存储元件可以是一个存储器,也可以是多个存储元件的统称。
本申请实施例还提供一种数据处理装置,包括处理器,用于与存储器耦合,读取存储器中的指令,并执行所述指令以实现上述任一实施例的方法。可选的,该装置还可以包括该存储器。可选的,该数据处理装置可以是集成电路,芯片系统,或者芯片。
最后应说明的是:以上各实施例仅用以说明本申请的技术方案,而非对其限制;尽管参照前述各实施例对本申请进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (23)

  1. 一种数据处理方法,其特征在于,包括:
    接收控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;
    在第二资源上发送与所述第一资源关联的所述HARQ进程的数据。
  2. 一种数据处理方法,其特征在于,包括:
    接收控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;
    在第二资源上接收所述控制信息关联的数据;
    将所述数据放入所述第一资源所关联的HARQ实体的所述HARQ进程的缓存中。
  3. 一种数据处理方法,其特征在于,包括:
    生成控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;
    发送所述控制信息。
  4. 一种数据处理方法,其特征在于,包括:
    发送控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;
    在第二资源上接收与所述第一资源关联的所述HARQ进程的数据。
  5. 根据权利要求1-4任一项所述的方法,其特征在于,所述第一资源的信息为所述第一资源关联的HARQ实体的标识。
  6. 根据权利要求1-4任一项所述的方法,其特征在于,所述第一资源的信息为所述第一资源的标识。
  7. 根据权利要求1-4任一项所述的方法,其特征在于,所述控制信息包括:调制方式字段,用于指示所述第一资源的信息。
  8. 根据权利要求7所述的方法,其特征在于,所述控制信息包括:初重传指示标识;
    其中,所述初重传指示标识指示本次数据传输是重传数据时,所述调制方式字段通过调制方式与资源的映射关系指示所述第一资源。
  9. 根据权利要求1-8任一项所述的方法,其特征在于,所述第二资源为调度载波时,所述第一资源为多个被调度载波中的一个。
  10. 根据权利要求1-8任一项所述的方法,其特征在于,所述第二资源为被调度载波,所述第一资源为调度载波。
  11. 根据权利要求9所述的方法,其特征在于,所述多个被调度载波的个数为min{N 1,N 2,…,N i,…,N k},其中,所述调制方式字段有N i个值指示调制阶数M i,k为大于0的整数,1≤i≤k,且i为整数,N i和M i均为大于0的整数。
  12. 一种数据处理装置,其特征在于,所述装置集成于第一设备,所述装置包括:
    接收模块,用于接收控制信息,所述控制信息包括第一资源的信息和混合自动重传 请求HARQ进程的信息;
    发送模块,用于在第二资源上发送与所述第一资源关联的所述HARQ进程的数据。
  13. 一种数据处理装置,其特征在于,所述装置包括:
    接收模块,用于接收控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;在第二资源上接收所述控制信息关联的数据;
    处理模块,用于将所述数据放入所述第一资源所关联的HARQ实体的所述HARQ进程的缓存中。
  14. 一种数据处理装置,其特征在于,所述装置包括:
    生成模块,用于生成控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;
    发送模块,用于发送所述控制信息。
  15. 一种数据处理装置,其特征在于,所述装置包括:
    发送模块,用于发送控制信息,所述控制信息包括第一资源的信息和混合自动重传请求HARQ进程的信息;
    接收模块,用于在第二资源上接收与所述第一资源关联的所述HARQ进程的数据。
  16. 根据权利要求12-15任一项所述的装置,其特征在于,所述第一资源的信息为所述第一资源关联的HARQ实体的标识。
  17. 根据权利要求12-15任一项所述的装置,其特征在于,所述第一资源的信息为所述第一资源的标识。
  18. 根据权利要求12-15任一项所述的装置,其特征在于,所述控制信息包括:调制方式字段,用于指示所述第一资源的信息。
  19. 根据权利要求18所述的装置,其特征在于,所述控制信息包括:初重传指示标识,所述初重传指示标识用于本次数据传输是重传数据或初传数据;
    其中,所述初重传指示标识指示本次数据传输是重传数据时,所述调制方式字段通过调制方式与资源的映射关系指示所述第一资源。
  20. 根据权利要求12-19任一项所述的装置,其特征在于,所述第二资源为调度载波时,所述第一资源为多个被调度载波中的一个。
  21. 根据权利要求12-19任一项所述的装置,其特征在于,所述第二资源为被调度载波,所述第一资源为调度载波。
  22. 根据权利要求12-19任一项所述的装置,其特征在于,所述第二资源为被调度载波,所述第一资源为调度载波。
  23. 根据权利要求22所述的装置,其特征在于,所述多个被调度载波的个数为min{N 1,N 2,…,N i,…,N k},其中,所述调制方式字段有N i个值指示调制阶数M i,k为大于0的整数,1≤i≤k,且i为整数,N i和M i均为大于0的整数。
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