WO2019047598A1 - 一种csi信息的上报、接收方法及通信设备 - Google Patents

一种csi信息的上报、接收方法及通信设备 Download PDF

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Publication number
WO2019047598A1
WO2019047598A1 PCT/CN2018/093407 CN2018093407W WO2019047598A1 WO 2019047598 A1 WO2019047598 A1 WO 2019047598A1 CN 2018093407 W CN2018093407 W CN 2018093407W WO 2019047598 A1 WO2019047598 A1 WO 2019047598A1
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Prior art keywords
information
csi
terminal
uplink channel
mapping
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PCT/CN2018/093407
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English (en)
French (fr)
Inventor
李辉
高秋彬
拉盖施
陈润华
苏昕
缪德山
黄秋萍
王蒙军
Original Assignee
电信科学技术研究院有限公司
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Application filed by 电信科学技术研究院有限公司 filed Critical 电信科学技术研究院有限公司
Priority to JP2020514208A priority Critical patent/JP7140827B2/ja
Priority to US16/645,524 priority patent/US11218277B2/en
Priority to KR1020207009922A priority patent/KR20200044120A/ko
Priority to EP18854247.6A priority patent/EP3681076B1/en
Publication of WO2019047598A1 publication Critical patent/WO2019047598A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation

Definitions

  • the present application relates to the field of computer technologies, and in particular, to a method for reporting and receiving CSI information and a communication device.
  • MIMO Multi-Input Multiple-Output
  • BF Beam Forming
  • LTE Long Term Evolution
  • the pilot structure in the system has also undergone corresponding changes.
  • the downlink pilot transmitted by the base station includes a demodulation pilot (ie, a Demodulation Reference Signal (DMRS)) and a measurement pilot (ie, a Channel State Indication Reference Signal (CSI). -RS)).
  • DMRS Demodulation Reference Signal
  • CSI Channel State Indication Reference Signal
  • a terminal after measuring a downlink channel, a terminal can calculate channel state information (CSI), and then pass CSI information through an uplink channel, such as a physical uplink control channel (Physical Uplink Control Channel, The PUCCH) or the Physical Uplink Shared Channel (PUSCH) is reported, but there is no corresponding solution for how the terminal maps the CSI information to the uplink channel and transmits the NR system.
  • CSI channel state information
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the embodiment of the present application provides a method for reporting and receiving CSI information and a communication device, which are used to solve the technical problem of how the terminal maps the CSI information to the uplink channel and transmits the corresponding scheme in the NR system.
  • the embodiment of the present application provides a method for reporting CSI information, including the following steps:
  • uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling sent by the base station, and determining, according to the uplink channel resource configuration signaling and/or the DMRS configuration signaling, a mapping symbol set;
  • the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and the time-frequency position of the orthogonal frequency division multiplexing OFDM symbols occupied by each DMRS in the time-frequency resources carrying the uplink channel.
  • the uplink channel resource configuration signaling is used to indicate a time-frequency resource occupied by the uplink channel, where the mapping symbol set is a set of OFDM symbols adjacent to the OFDM symbol in the time-frequency resource;
  • the terminal measures the downlink channel, and calculates channel state information CSI according to the measurement result;
  • the terminal encodes the CSI information, and maps the information part of the encoded CSI information including the rank indication RI information to the resource unit RE of the at least one OFDM symbol in the mapping symbol set for transmission.
  • the CSI information is encoded by the terminal, and the information part including the rank indication RI information in the encoded CSI information is mapped to the RE corresponding to the at least one OFDM symbol in the mapping symbol set. After the transmission is performed, it further includes:
  • the transmission is performed on the RE of the OFDM symbol.
  • the CSI information is encoded by the terminal, and the information part including the rank indication RI information in the encoded CSI information is mapped to the RE of the at least one OFDM symbol in the mapping symbol set. After the transmission, further includes:
  • the terminal maps the remaining CSI information to the RE corresponding to the OFDM symbol except the OFDM symbol included in the mapping symbol set in the time-frequency resource for transmission.
  • the method before the terminal encodes the CSI information, the method further includes:
  • the terminal acquires CSI feedback configuration information sent by the base station, where the CSI feedback configuration information is used to indicate a feedback mode used by the terminal configured by the system to report the CSI information;
  • the terminal Determining, by the terminal, the uplink channel used by the CSI information according to the CSI feedback configuration information and the correspondence between the feedback mode and the uplink channel;
  • the terminal encodes the CSI information, including:
  • the terminal encodes the CSI information according to the determined feedback manner and the correspondence between the feedback mode and the coding mode.
  • the coding mode includes an overall coding mode and a split coding mode.
  • the embodiment of the present application provides a CSI information receiving method, including:
  • the base station sends uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling to the terminal, where the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and each DMRS is in the The time-frequency position of the orthogonal frequency division multiplexing OFDM symbol occupied by the time-frequency resource of the uplink channel, where the uplink channel resource configuration signaling is used to indicate the time-frequency resource occupied by the uplink channel;
  • the base station receives the encoded channel state information CSI fed back by the terminal, and obtains the rank indication RI information included in the encoded CSI information, where the information part of the encoded CSI information including the RI information is Mapping to an RE of at least one OFDM symbol in a set of mapping symbols, the set of mapping symbols being a set of OFDM symbols adjacent to an OFDM symbol occupied by the DMRS in a time-frequency resource carrying the uplink channel;
  • the base station decodes the encoded CSI information according to the RI information.
  • the base station before the base station receives the encoded channel state information CSI that is sent by the terminal, and obtains the rank indication RI information included in the encoded CSI information, the base station further includes:
  • the base station is configured to indicate CSI feedback configuration information of a feedback mode used by the terminal to report CSI information;
  • the base station sends the CSI feedback configuration information to the terminal, so that the terminal feeds back the encoded CSI information according to the CSI feedback configuration information.
  • an embodiment of the present application provides a terminal, including:
  • a receiver configured to receive uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling sent by the base station, and determine a mapping symbol set according to the uplink channel resource configuration signaling and/or the DMRS configuration signaling
  • the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and the time of each DMRS in the orthogonal frequency division multiplexing OFDM symbols occupied by the time-frequency resources carrying the uplink channel.
  • the uplink channel resource configuration signaling is used to indicate a time-frequency resource occupied by the uplink channel, where the mapping symbol set is a set of OFDM symbols adjacent to the OFDM symbol in the time-frequency resource;
  • the processor is connected to the receiver, configured to measure the downlink channel, calculate channel state information CSI according to the measurement result, and encode the CSI information, and include the information of the rank indication RI information in the encoded CSI information. a portion, mapped to a resource unit RE of at least one OFDM symbol in the set of mapping symbols;
  • the transmitter is connected to the processor and used to report the mapped CSI information.
  • the processor is further configured to:
  • the mapping is determined. There are unmapped remaining OFDM symbols in the symbol set, and remaining CSI information parts other than the information part including the RI information in the encoded CSI information, and mapping the remaining CSI information parts to the remaining.
  • the RE of the OFDM symbol is transmitted, and/or mapped to the RE of the OFDM symbol other than the OFDM symbol included in the mapping symbol set in the time-frequency resource.
  • the processor is further configured to:
  • the REs corresponding to other OFDM symbols are transmitted.
  • the receiver is further configured to:
  • the processor Before the processor encodes the CSI information, acquiring CSI feedback configuration information sent by the base station, where the CSI feedback configuration information is used to indicate feedback used by the terminal configured by the system to report the CSI information. And determining, according to the CSI feedback configuration information, and the correspondence between the feedback mode and the uplink channel, the uplink channel used by the CSI information;
  • the processor is further configured to: encode the CSI information according to a determined feedback manner, and a correspondence between a feedback manner and an encoding manner; where the encoding manner includes an overall encoding manner and a split encoding manner.
  • an embodiment of the present application provides a base station, including:
  • a transmitter configured to send uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling to the terminal, where the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and each a time-frequency location of an Orthogonal Frequency Division Multiplexing OFDM symbol occupied by a DMRS in a time-frequency resource that carries the uplink channel, where the uplink channel resource configuration signaling is used to indicate a time-frequency resource occupied by the uplink channel;
  • a receiver configured to receive the encoded channel state information CSI fed back by the terminal, to obtain the rank indication RI information included in the encoded CSI information, where the encoded CSI information includes information of the RI information Part of being mapped to an RE of at least one OFDM symbol in a set of mapping symbols, the set of mapping symbols being a set of OFDM symbols adjacent to an OFDM symbol occupied by the DMRS in a time-frequency resource carrying the uplink channel;
  • a processor connected to the receiver and the transmitter, configured to decode the encoded CSI information according to the RI information.
  • the processor is further configured to:
  • the receiver Before the receiver receives the encoded channel state information CSI fed back by the terminal, and obtains the rank indication RI information included in the encoded CSI information, configured to indicate, when the terminal reports the CSI information, Feedback mode CSI feedback configuration information;
  • the base station sends the CSI feedback configuration information to the terminal, so that the terminal feeds back the encoded CSI information according to the CSI feedback configuration information.
  • the implementation of the present application provides a terminal, including:
  • a receiving module configured to receive uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling sent by the base station, and determine a corresponding mapping according to the uplink channel resource configuration signaling and/or the DMRS configuration signaling a set of symbols; wherein the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and the orthogonal frequency division multiplexing OFDM symbols occupied by each DMRS in time-frequency resources carrying the uplink channel The time-frequency location, the uplink channel resource configuration signaling is used to indicate a time-frequency resource occupied by the uplink channel, where the mapping symbol set is a set of OFDM symbols adjacent to the OFDM symbol in the time-frequency resource. ;
  • a measuring module configured to measure a downlink channel, and calculate channel state information CSI according to the measurement result
  • a processing module configured to encode the CSI information, and map the information part of the encoded CSI information including the rank indication RI information to the resource unit RE of the at least one OFDM symbol in the mapping symbol set for transmission .
  • an embodiment of the present application provides a base station, including:
  • a sending module configured to send uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling to the terminal, where the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and each a time-frequency location of the orthogonal frequency division multiplexing OFDM symbol occupied by the DMRS in the time-frequency resource of the uplink channel, where the uplink channel resource configuration signaling is used to indicate a time-frequency resource occupied by the uplink channel;
  • a receiving module configured to receive the encoded channel state information CSI fed back by the terminal, to obtain the rank indication RI information included in the encoded CSI information, where the encoded CSI information includes information of the RI information Part of being mapped to an RE of at least one OFDM symbol in a set of mapping symbols, the set of mapping symbols being a set of OFDM symbols adjacent to an OFDM symbol occupied by the DMRS in a time-frequency resource carrying the uplink channel;
  • a processing module configured to decode the encoded CSI information according to the RI information.
  • the embodiment of the present application provides a computer apparatus, where the computer apparatus includes a processor, and the processor is configured to implement the method according to the first aspect and the second aspect when the computer program is stored in a memory.
  • an embodiment of the present application provides a computer readable storage medium, where the computer readable storage medium stores computer instructions, when the instructions are run on a computer, causing the computer to perform the first aspect and the second aspect. Said method.
  • the terminal determines the corresponding mapping symbol set according to the DMRS configuration signaling sent by the base station
  • the terminal reports the CSI information
  • the information part of the encoded CSI information including the RI information may be preferentially mapped to
  • the at least one OFDM symbol in the mapping symbol set is transmitted to improve the transmission success rate of the RI information, so that the base station can decode the received encoded CSI information according to the RI information reported by the terminal, thereby improving the decoding accuracy.
  • FIG. 1 is a schematic diagram of a DMRS configuration on a PUCCH channel in an NR system in the prior art
  • FIG. 2 is a schematic diagram of a DMRS configuration on a PUSCH channel in an NR system in the prior art
  • FIG. 3 is a flowchart of a method for reporting CSI information in an embodiment of the present application.
  • 4A-4C are schematic diagrams of mapping symbol sets in a PUSCH channel according to an embodiment of the present application.
  • 5A-5C are schematic diagrams of mapping symbol sets in a PUCCH channel according to an embodiment of the present application.
  • FIG. 6 is a flowchart of a method for receiving CSI information in an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a terminal in an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a base station according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a module of a terminal in an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a module of a base station according to an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a computer device according to an embodiment of the present application.
  • a base station which may refer to a device in an access network that communicates with a terminal over one or more sectors on an air interface.
  • the base station may include an evolved base station (NodeB or eNB or e-NodeB, evolutional Node B) in a Long Term Evolution (LTE) system or an evolved LTE system (LTE-A), or It may include a next generation node B (gNB) in a 5G system.
  • NodeB or eNB or e-NodeB, evolutional Node B in a Long Term Evolution (LTE) system or an evolved LTE system (LTE-A), or It may include a next generation node B (gNB) in a 5G system.
  • LTE Long Term Evolution
  • LTE-A evolved LTE system
  • gNB next generation node B
  • the base station in the embodiment of the present application mainly refers to a base station in a 5G system.
  • the terminal may be a device having a wireless communication function.
  • the terminal can receive downlink data, such as a CSI-RS, transmitted by the base station, and can report corresponding data, such as CSI information, through the uplink channel.
  • the terminal can communicate with the core network via a Radio Access Network (RAN).
  • the terminal may include a User Equipment (UE), a wireless terminal device, a mobile terminal device, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile Station, and a Remote Station. (Remote Station), Access Point (AP), Remote Terminal, Access Terminal, User Terminal, User Agent, or User Equipment (User Device), etc.
  • a mobile phone or "cellular” phone
  • a computer with a mobile terminal device a portable, pocket, handheld, computer built-in or in-vehicle mobile device, smart wearable device, and the like.
  • PCS Personal Communication Service
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • Smart Watches smart helmets, smart glasses, smart bracelets and other equipment.
  • restricted devices such as devices with lower power consumption, or devices with limited storage capacity, or devices with limited computing capabilities. Examples include information sensing devices such as bar codes, radio frequency identification (RFID), sensors, global positioning systems (GPS), and laser scanners.
  • RFID radio frequency identification
  • GPS global positioning systems
  • the uplink channel is used for the terminal to transmit data to the base station, for example, reporting CSI information.
  • the uplink channel may refer to a PUCCH channel or a PUSCH channel.
  • a short PUCCH channel and a long PUCCH channel are defined.
  • the short PUCCH channel includes 1-2 OFDM symbols, and when the CSI information is transmitted, the DMRS is configured on each OFDM symbol, that is, in the time-frequency resources occupied by the PUCCH, each OFDM symbol can be configured.
  • the long PUCCH channel includes 4-14 OFDM symbols. According to the OFDM symbol number, the long PUCCH channel can be divided into two structures: frequency hopping and non-hopping.
  • the non-hopping PUCCH contains two DMRS symbols, as shown in (a) of FIG.
  • For the frequency hopping PUCCH according to the OFDM symbol number of each frequency hopping part, one DMRS symbol is included in each frequency hopping part, as shown in FIG. 1(b), or each frequency hopping part may also include Two DMRS symbols are shown in Figure 1 (c).
  • the system can be applied according to the user's moving speed and other application scenarios.
  • one or two additional DMRSs can be added, as shown in FIG. 2 .
  • a method for reporting CSI information is provided in the embodiment of the present application.
  • the method may be applied to a terminal to enable data transmission between the terminal and the base station. As shown in FIG. 3, the method may be described as follows.
  • the terminal receives the uplink channel resource configuration signaling and/or the DMRS configuration signaling sent by the base station, and determines a mapping symbol set according to the uplink channel resource configuration signaling and/or the DMRS configuration signaling, where the DMRS configuration signaling is used to indicate The number of DMRSs configured by the system for the uplink channel, and the time-frequency location of the orthogonal frequency division multiplexing OFDM symbols occupied by each DMRS in the time-frequency resources carrying the uplink channel, and the uplink channel resource configuration signaling is used to indicate the uplink channel.
  • the occupied time-frequency resource, the set of mapping symbols is a set of OFDM symbols adjacent to the OFDM symbol in the time-frequency resource.
  • the terminal may determine the DMRS configuration of the system for the uplink channel, for example, determine the number of DMRSs in the PUCCH channel (or the PUSCH channel), and determine The location of the OFDM symbol occupied by each DMRS in the time-frequency resource carrying the PUCCH channel.
  • the uplink channel resource configuration signaling may refer to the PUSCH resource configuration signaling or the PUCCH configuration signaling, and the PUSCH resource configuration signaling may indicate the time-frequency resource occupied by the PUSCH channel, and the PUCCH configuration signaling may indicate that the PUCC channel is occupied. Time-frequency resources.
  • the terminal may determine, as a mapping symbol, an OFDM symbol of an adjacent side or both sides of an OFDM symbol occupied by each DMRS in the time-frequency resource according to a predefined definition of the system, and the set of all mapping symbols is a mapping symbol set.
  • FIG. 4A-4C it is three DMRS configurations of the system for the PUSCH channel, and a mapping symbol set corresponding to each DMRS configuration.
  • 4A is a pre-DMRS
  • FIG. 4B is a pre-DMRS and a set of additional DMRS
  • FIG. 4C is a pre-DMRS and two sets of additional DMRS.
  • Each of the above figures is a physical resource block (Physical Resource Block, PRB) is indicated.
  • PRB Physical Resource Block
  • S12 The terminal measures the downlink channel, and calculates channel state information CSI according to the measurement result.
  • the terminal may perform channel measurement on the downlink channel, that is, measure CQI, PMI, Rank Indexes (RI) of the downlink channel, and obtain CSI including information such as RI, PMI, and CQI. information.
  • the CSI information may further include resource indication information CRI of a Channel State Indication Reference Signal (CSI-RS).
  • CSI-RS Channel State Indication Reference Signal
  • the terminal may further obtain the CSI feedback configuration information sent by the base station, where the CSI feedback configuration information may be used to indicate a feedback manner used by the terminal configured by the base station to report the CSI information, for example, using a Type I codebook or a Type. II codebook, using periodic, semi-continuous or aperiodic feedback, using broadband feedback or sub-band feedback.
  • the CSI feedback configuration information may be used to indicate a feedback manner used by the terminal configured by the base station to report the CSI information, for example, using a Type I codebook or a Type. II codebook, using periodic, semi-continuous or aperiodic feedback, using broadband feedback or sub-band feedback.
  • the terminal can determine the uplink channel used by the CSI information in the current feedback according to the received CSI feedback configuration information and the correspondence between the feedback mode and the uplink channel.
  • the terminal encodes the CSI information, and maps the information part including the RI information in the encoded CSI information to a resource element (Resource Element, RE) of at least one OFDM symbol in the mapping symbol set for transmission.
  • resource element Resource Element, RE
  • the terminal may encode the CSI information according to the determined feedback manner and the correspondence between the feedback mode and the coding mode, where the coding mode includes an overall coding mode and a split coding mode, that is, CSI information according to the configuration.
  • the feedback mode may be used to encode the CSI information as a whole, or the CSI information may be separately encoded into two or more information parts to perform transmission feedback.
  • Common CSI information encoding methods include but are not limited to the following:
  • the feedback for the PUCCH channel (mainly the long PUCCH channel) includes two coding methods, including:
  • the terminal jointly encodes the CSI information as a whole;
  • the terminal divides the CSI information into two information parts for independent coding, one information part is RI/CRI joint coding, and the other information part is PMI/CQI joint coding.
  • the terminal may determine the corresponding coding mode according to the type of the codebook that is fed back:
  • the terminal may separately divide the CSI information into two information parts for independent coding, one information part is CQI joint coding of RI/CRI and the first codeword, and another information part Is a CQI joint encoding of the PMI and the second codeword;
  • the terminal divides the CSI information into two information parts or three information parts, and independently encodes each information part.
  • the first information part is usually RI/CQI joint coding
  • the second information part is wideband amplitude information joint coding
  • the third information part is PMI joint coding.
  • the CSI information may be mapped to the OFDM symbol included in the time-frequency resource carrying the uplink channel, so that the CSI information is reported to the base station.
  • the terminal may preferentially map the information part including the RI information in the encoded CSI information to the RE corresponding to the OFDM symbol in the mapping symbol set, when mapping and transmitting the encoded CSI information in the uplink channel.
  • the terminal may preferentially map the information part including the RI information in the encoded CSI information to the RE corresponding to the OFDM symbol in the mapping symbol set, when mapping and transmitting the encoded CSI information in the uplink channel.
  • Case 1 If the terminal reports this time, it adopts the method of combining the complete CSI information as a whole.
  • the terminal may preferentially map the jointly encoded CSI information to one, multiple or all OFDM symbols in the set of mapping symbols. Furthermore, the terminal may map the remaining unmapped coded CSI information onto the remaining OFDM symbols of the uplink channel.
  • Case 2 If the terminal reports this time, it adopts a method of splitting the complete CSI information into multiple information parts, and each information part is independently coded.
  • the terminal may preferentially map the information part including the RI information in the encoded CSI information to one, multiple or all OFDM symbols in the mapping symbol set.
  • the terminal may map the other information parts of the encoded CSI information to the remaining resources for transmission, and/or, The mapping is performed on REs mapped to other OFDM symbols of the time-frequency resource except for the OFDM symbols included in the mapping symbol set.
  • REs still remaining resources
  • the encoded CSI information may be preferentially mapped to the remaining resources in the mapping symbol set except for other information parts of the information part including the RI information, and if other information parts have remaining CSI information, the remaining information may be further The CSI information is mapped onto the remaining OFDM symbols of the uplink channel.
  • all other information parts may also be mapped to the remaining OFDM symbols except the mapping symbol set in the time-frequency resources carrying the uplink channel, for example, other time-frequency resources.
  • the OFDM symbol occupied by the OFDM is adjacent to the OFDM.
  • the terminal can effectively improve the success rate of transmitting the RI information by preferentially mapping the RI information in the CSI information to the RE of the OFDM symbol in the higher reliability mapping symbol set, and
  • the information can be used to indicate the number of streams when the user data is transmitted, thereby helping to improve the accuracy of decoding the CSI information by the base station.
  • the terminal determines, according to the received PUSCH resource configuration signaling and the DMRS configuration signaling, the configuration of the DMRS in the uplink channel is as shown in FIG. 4B, that is, configuring a pre-DMRS and a set of additional DMRS on the PUSCH channel, and the base station
  • the terminal triggers the feedback of the aperiodic Type II CSI through DCI signaling.
  • the mapping symbol set can be determined. Please refer to FIG. 4B.
  • the terminal determines, according to the CSI feedback configuration information of the base station, that the current feedback mode is to perform aperiodic Type II CSI feedback on the PUSCH channel.
  • the terminal calculates CSI information of the complete Type II according to the channel measurement result of the downlink channel, which includes RI/PMI/CQI.
  • the terminal determines that the CSI information at this time is divided into three parts according to the feedback manner.
  • the first part includes RI/CQI and encodes the part;
  • the second part includes the broadband amplitude information in the PMI, and the part is encoded;
  • the third part includes the remaining PMI information except the wideband amplitude information, and Partially encoded.
  • the terminal may preferentially map the encoded first part to the RE of the OFDM in the mapping symbol set when mapping the encoded CSI information, for example, mapping to the mapping in FIG. 4B.
  • Symbol 3 i.e., the RE corresponding to the OFDM symbol numbered 3, the word that appears subsequently has the same meaning
  • the mapping symbol 10 10.
  • mapping manner of the pre-frequency domain and the time domain may also be adopted, that is, mapping is first performed on the OFDM symbol 3, and after the RE of the symbol is full, the OFDM symbol 10 continues. Mapping on the RE; or mapping in the first-frequency domain and the backward-frequency domain, that is, mapping to the RE of the OFDM symbol 3 on each subcarrier in the order of the subcarriers, and then mapping to the RE of the OFDM symbol 10 on.
  • the terminal may sequentially map the encoded second partial CSI information and the third partial CSI information onto the OFDM symbol 12, the symbol 13 and the symbols 4-9. This is first mapped to symbol 12 because it is in close proximity to the DMRS symbol.
  • the terminal maps the first part after the encoding in the mapping symbol set, the remaining REs on the symbol 3 or the symbol 10 are not occupied, and the part of the resources may not be used.
  • the terminal reports the CSI information mapped on the PUSCH channel.
  • FIGS. 5A-5C If for each DMRS configuration of the long PUCCH, the system is predefined as shown in FIGS. 5A-5C, three DMRS configurations, and the mapping symbol set corresponding to each DMRS configuration is shown in the figure.
  • 5A shows a non-frequency modulation structure
  • FIG. 5B shows frequency hopping - each hopping small symbol number
  • FIG. 5C shows frequency hopping - each hopping large symbol number.
  • the OFDM symbol herein is only used to indicate the first symbol to the last symbol of the PUCCH region, that is, the numbering function, instead of the symbol index in one slot. .
  • the base station configures a long PUCCH of 8 OFDM symbols for the terminal, and uses a frequency hopping method, each hop includes 4 OFDM symbols, and each hop includes only one DMRS. As shown in Figure 5B. And determining, by the CSI, the Type I CSI of the base station configuration terminal feedback period by using the CSI feedback configuration information.
  • the terminal receives the PUCCH configuration signaling sent by the base station, and determines the mapping symbol set. Please refer to FIG. 5B.
  • the terminal determines, according to the CSI feedback configuration information of the base station, that the feedback mode is the sub-band period Type I CSI feedback, and determines that the feedback is performed on the long PUCCH channel according to the corresponding relationship between the system-predefined feedback manner and the uplink channel.
  • the terminal performs channel measurement and calculates complete Type I CSI information, which includes RI/CRI/PMI/CQI.
  • the terminal determines, according to the feedback manner, that the CSI information is divided into two parts, the first part includes the CQI of the RI/CRI and the first codeword, and the part is encoded; the second part includes the CQI of the PMI and the second codeword, This section is coded.
  • the terminal can map the encoded first portion onto the mapped symbols 1, 3, 5, and 7 in FIG. 5B.
  • the terminal may adopt a mapping manner of a pre-frequency domain and a time domain, or a mapping manner of a pre-time domain and a post-frequency domain.
  • the terminal determines that the remaining REs on the mapping symbols 1, 3, 5 or 7 are not occupied, and the encoded second partial CSI information may be mapped to the remaining REs, and then The remaining portion of the encoded second partial CSI information is mapped onto symbols 4, 8.
  • the terminal reports the CSI information mapped on the PUCCH channel.
  • the embodiment of the present application provides a CSI information receiving method, which can be applied to a base station, and the method includes the following steps:
  • the base station sends uplink channel configuration signaling and/or DMRS configuration signaling to the terminal, where the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and the time-frequency resources of each DMRS carrying the uplink channel.
  • the time-frequency position of the orthogonal frequency division multiplexing OFDM symbol occupied by the uplink channel resource configuration signaling is used to indicate the time-frequency resource occupied by the uplink channel.
  • the uplink channel configuration signaling and/or the DMRS configuration signaling may indicate that the terminal configures a pre-DMRS and a set of additional DMRSs on the PUSCH channel, that is, the configuration shown in FIG. 4B, or may also indicate that the terminal is configured with eight
  • the long PUCCH of the OFDM symbol is in a frequency hopping manner, and each hop includes 4 OFDM symbols, and each hop includes only one DMRS symbol, that is, the configuration shown in FIG. 5B.
  • the base station sends the uplink channel configuration signaling and/or the DMRS configuration signaling to the terminal through the downlink channel, so that the terminal knows that the base station indicates the DMRS configuration of the uplink channel of the current feedback CSI information, and according to the received uplink channel configuration information.
  • the command and/or DMRS configuration signaling is performed accordingly, for example, causing the terminal to determine a set of mapped symbols.
  • the base station receives the encoded CSI information fed back by the terminal, and obtains RI information included in the encoded CSI information.
  • the information part of the encoded CSI information including the RI information is mapped to at least one OFDM in the mapping symbol set.
  • the mapping symbol set is a set of OFDM symbols adjacent to the OFDM symbol occupied by the DMRS among the time-frequency resources carrying the uplink channel.
  • the base station may further configure CSI feedback configuration information for indicating a feedback mode when the terminal reports the CSI information, and send the CSI feedback configuration information to the terminal.
  • the base station decodes the encoded CSI information according to the RI information.
  • the RI information included in the CSI information received by the base station may be used to indicate the number of streams when the user data is transmitted, which helps improve the accuracy of decoding the CSI information.
  • the embodiment of the present application provides a terminal, where the terminal can be used to perform a CSI information reporting method as shown in FIG. 3.
  • the terminal includes a receiver 31, a processor 33, and a transmitter. 32.
  • the receiver 31 and the transmitter 32 are usually disposed in the same device, such as a transceiver, the components in the transceiver are exemplified in FIG. 7 as the components in the transceiver.
  • a memory 34 may also be included in the terminal, shown in phantom in FIG.
  • the memory 34 can be used to store various data in the terminal, such as storing CSI information and the like.
  • the receiver 31 may be configured to receive uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling sent by the base station, and determine a mapping symbol set according to the uplink channel resource configuration signaling and/or DMRS configuration signaling.
  • the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and the time frequency of the orthogonal frequency division multiplexing OFDM symbols occupied by each DMRS in the time-frequency resources carrying the uplink channel.
  • the uplink channel resource configuration signaling is used to indicate a time-frequency resource occupied by the uplink channel, where the mapping symbol set is a set of OFDM symbols adjacent to the OFDM symbol in the time-frequency resource;
  • the processor 33 is connected to the receiver 31, configured to perform measurement on the downlink channel, calculate channel state information CSI according to the measurement result, and encode the CSI information, and include the rank indication RI information in the encoded CSI information.
  • the transmitter 32 is connected to the processor 33 and the receiver 31 for reporting the mapped CSI information.
  • the processor 33 is further configured to:
  • the mapping is determined. There are unmapped remaining OFDM symbols in the symbol set, and remaining CSI information parts other than the information part including the RI information in the encoded CSI information, and mapping the remaining CSI information parts to the remaining.
  • the RE of the OFDM symbol is transmitted, and/or mapped to the RE of the OFDM symbol other than the OFDM symbol included in the mapping symbol set in the time-frequency resource.
  • the processor 33 is further configured to:
  • the REs corresponding to other OFDM symbols are transmitted.
  • the receiver 31 is further configured to:
  • the processor Before the processor encodes the CSI information, acquiring CSI feedback configuration information sent by the base station, where the CSI feedback configuration information is used to indicate feedback used by the terminal configured by the system to report the CSI information. And determining, according to the CSI feedback configuration information, and the correspondence between the feedback mode and the uplink channel, the uplink channel used by the CSI information;
  • the processor 33 is further configured to: encode the CSI information according to a determined feedback manner, and a correspondence between a feedback manner and an encoding manner; where the encoding manner includes an overall encoding manner and a split encoding manner.
  • an embodiment of the present application provides a base station, where the base station can be used to perform a CSI information receiving method as shown in FIG. 6 , where the base station includes a transmitter 41 , a receiver 42 , and a processor 43 . .
  • the receiver 42 and the transmitter 41 are typically disposed in the same device, such as a transceiver, the components in the transceiver are exemplified in FIG.
  • a memory 44 may also be included in the terminal, shown in phantom in FIG.
  • the memory 44 can be used to store various data in the base station, such as storing DMRS configurations or received CSI information, and the like.
  • the transmitter 41 is configured to send uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling to the terminal, where the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and each The time-frequency position of the orthogonal frequency division multiplexing OFDM symbol occupied by the DMRS in the time-frequency resource of the uplink channel, where the uplink channel resource configuration signaling is used to indicate the time-frequency resource occupied by the uplink channel;
  • the receiver 42 is configured to receive the encoded channel state information CSI fed back by the terminal, and obtain the rank indication RI information included in the encoded CSI information, where the encoded CSI information includes the RI information.
  • An information portion is mapped to an RE of at least one OFDM symbol in a set of mapping symbols, the set of mapping symbols being a set of OFDM symbols adjacent to an OFDM symbol occupied by the DMRS in a time-frequency resource carrying the uplink channel ;
  • the processor 43 is connected to the receiver 42 and the transmitter 41 for decoding the encoded CSI information according to the RI information.
  • the processor 43 is further configured to:
  • the receiver 42 receives the encoded channel state information CSI fed back by the terminal, and obtains the rank indication RI information included in the encoded CSI information, and is configured to be used when the terminal reports the CSI information.
  • CSI feedback configuration information of the feedback mode
  • the transmitter 41 is further configured to send the CSI feedback configuration information to the terminal.
  • the embodiment of the present application provides a terminal, where the terminal base station can be used to perform a CSI information reporting method, as shown in FIG. 3, where the terminal includes a receiving module 51, a measuring module 52, and a processing module 53.
  • the receiving module 51 is configured to receive uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling sent by the base station, and determine corresponding mapping according to the uplink channel resource configuration signaling and/or the DMRS configuration signaling. a set of symbols; wherein the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and the orthogonal frequency division multiplexing OFDM symbols occupied by each DMRS in time-frequency resources carrying the uplink channel a time-frequency location, the set of mapping symbols being a set of OFDM symbols adjacent to the OFDM symbol in the time-frequency resource;
  • the measuring module 52 is configured to measure the downlink channel, and calculate channel state information CSI according to the measurement result;
  • the processing module 53 is configured to encode the CSI information, and map the information part including the rank indication RI information in the encoded CSI information to the resource unit RE of the at least one OFDM symbol in the mapping symbol set for transmission. .
  • the processing module 53 is further configured to: after encoding the CSI information, mapping the information part of the encoded CSI information including the rank indication RI information to at least one OFDM in the mapping symbol set. After transmitting on the RE corresponding to the symbol, determining that there are unmapped remaining OFDM symbols in the mapping symbol set, and remaining CSI information parts in the encoded CSI information except the information part including the RI information;
  • the processing module 53 is further configured to: code, in the terminal, the CSI information, and map the information part of the encoded CSI information that includes the rank indication RI information into the mapping symbol set. After transmitting on the RE of the at least one OFDM symbol, determining the remaining CSI information part of the encoded CSI information except the information part including the RI information;
  • the receiving module 51 is further configured to: before the terminal encodes the CSI information, acquire CSI feedback configuration information sent by the base station, where the CSI feedback configuration information is used to indicate the system configuration. a feedback mode used by the terminal to report the CSI information, and determining an uplink channel used by the CSI information according to the CSI feedback configuration information and the correspondence between the feedback mode and the uplink channel;
  • the processing module 53 is configured to encode the CSI information according to a feedback manner determined by the receiving module 51, and a correspondence between a feedback manner and an encoding manner, where the encoding manner includes an overall encoding manner and a splitting manner. Encoding.
  • the embodiment of the present application provides a base station, where the base station can be used to perform a CSI information receiving method, as shown in FIG. 6, the base station includes a sending module 61, a receiving module 62, and a processing module 63.
  • the sending module 61 may be configured to send uplink channel resource configuration signaling and/or demodulation reference signal DMRS configuration signaling to the terminal, where the DMRS configuration signaling is used to indicate the number of DMRSs configured by the system for the uplink channel, and each The time-frequency position of the orthogonal frequency division multiplexing OFDM symbol occupied by the DMRS in the time-frequency resource carrying the uplink channel, where the uplink channel resource configuration signaling is used to indicate the time-frequency resource occupied by the uplink channel,
  • the receiving module 62 may be configured to receive the encoded channel state information CSI fed back by the terminal, and obtain the rank indication RI information included in the encoded CSI information, where the encoded CSI information includes the RI information.
  • An information portion is mapped to an RE of at least one OFDM symbol in a set of mapping symbols, the set of mapping symbols being a set of OFDM symbols adjacent to an OFDM symbol occupied by the DMRS in a time-frequency resource carrying the uplink channel .
  • the processing module 63 can be configured to decode the encoded CSI information according to the RI information.
  • the processor 63 receives, after the receiving module 62, the encoded channel state information CSI fed back by the terminal, and obtains the rank indication RI information included in the encoded CSI information, and is further configured to be configured.
  • CSI feedback configuration information used to indicate a feedback mode used by the terminal to report CSI information;
  • the sending module 61 is configured to send the CSI feedback configuration information to the terminal.
  • a computer device is also provided in the embodiment of the present application.
  • the computer device includes a processor 71, a memory 72, and a transceiver 73, and the three can be connected through a bus.
  • the transceiver 73 receives and transmits data under the control of the processor 71, such as transmitting/receiving CSI information, etc.
  • the memory 72 stores a preset program, and when the processor 71 is configured to execute the computer program stored in the memory 72, The steps of the method provided in Embodiment 1 and Embodiment 2 of the present application are implemented.
  • the processor 71 may be a central processing unit, an application specific integrated circuit (ASIC), and may be one or more integrated circuits for controlling program execution, and may be a field programmable gate array.
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the processor 71 may include at least one processing core.
  • the memory 72 of the electronic device may include a read only memory (ROM), a random access memory (RAM), and a disk storage.
  • the memory 72 is used to store data required by the processor 71 to operate.
  • the number of memories 72 is one or more.
  • the embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium stores a computer instruction, and when the computer instruction instruction is run on a computer, the pilot configuration method and implementation provided by an example of the present application may be implemented. The steps of the channel measurement method of the second example.
  • the disclosed network traffic monitoring method and network traffic monitoring system may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of units is only a logical function division.
  • multiple units or components may be combined or integrated. Go to another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.
  • the functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may also be an independent physical module.
  • An integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium.
  • all or part of the technical solutions of the embodiments of the present application may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for causing a computer device, for example, A personal computer, server, or network device or the like, or a processor performs all or part of the steps of the methods of various embodiments of the present application.
  • the foregoing storage medium includes: a Universal Serial Bus flash drive (USB), a mobile hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), A variety of media that can store program code, such as a disk or an optical disk.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware.
  • the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本申请实施例提供一种CSI信息的上报、接收方法及通信设备，用于为NR系统中终端提供将CSI信息映射到上行信道并进行传输的方案。该方法包括：终端接收基站发送的上行信道资源配置信令和/或DMRS配置信令，并确定映射符号集合；其中，DMRS配置信令用于指示系统为上行信道配置的DMRS的数量及所占用的OFDM符号的时频位置，上行信道资源配置信令表征上行信道的时频资源，映射符号集合为与OFDM符号相邻的OFDM符号的集合；终端对下行信道进行测量，计算信道状态信息CSI，并对CSI信息进行编码，将包含秩指示RI信息的信息部分，映射到映射符号集合中的至少一个OFDM符号的RE上进行传输。

Description

一种CSI信息的上报、接收方法及通信设备
本申请要求在2017年9月8日提交中国专利局、申请号为201710807356.X、发明名称为“一种CSI信息的上报、接收方法及通信设备”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
本申请涉及计算机技术领域，特别涉及一种CSI信息的上报、接收方法及通信设备。
背景技术
MIMO(Multi-Input Multiple-Output，多输入多输出)技术作为重要的提高传输质量和效率的物理层多天线技术，在新一代通信系统中扮演重要角色。在新一代无线接入技术(New RAT(radio access technology)，NR)系统中或LTE(Long Term Evolution，长期演进)系统支持发射分集，空间复用技术以及波束赋型(BF，Beam Forming)等多种ΜΙΜΟ技术。
为了更好地发挥MIMO技术优势，系统中导频结构也发生了相应的变化。通常来说，基站发送的下行导频包括解调导频(即，解调参考信号(Demodulation Reference Signal，DMRS))和测量导频(即，信道状态指示参考信号(Channel State Indication Reference Signal，CSI-RS))。
目前，在MIMO系统中，终端在对下行信道进行测量后，可以计算信道状态信息(Channel State Information，CSI)，进而将CSI信息通过上行信道，如物理上行链路控制信道(Physical Uplink Control Channel，PUCCH)或物理上行共享信道(Physical Uplink Shared Channel，PUSCH)进行上报，但针对NR系统中终端如何将CSI信息映射至上行信道并进行传输，还没有相应的方案。
发明内容
本申请实施例提供一种CSI信息的上报、接收方法及通信设备，用于解决在NR系统中终端如何将CSI信息映射到上行信道并进行传输还没有相应方案的技术问题。
第一方面，本申请实施例提供一种CSI信息的上报方法，包括以下步骤：
终端接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或所述DMRS配置信令确定映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信 道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
所述终端对下行信道进行测量，并根据测量结果计算信道状态信息CSI；
所述终端对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上进行传输。
可能的实施方式中，在所述终端对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号对应的RE上进行传输之后，进一步包括：
所述终端确定所述映射符号集合中存在未被映射的剩余OFDM符号，及所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分；
所述终端将所述剩余CSI信息部分映射到所述剩余OFDM符号的RE上进行传输，和/或，映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上进行传输。
可能的实施方式中，在所述终端对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的RE上进行传输之后，进一步包括：
所述终端确定所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分；
所述终端将所述剩余CSI信息部分映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号对应的RE上进行传输。
可能的实施方式中，在所述终端对所述CSI信息进行编码之前，进一步包括：
所述终端获取所述基站发送的CSI反馈配置信息，所述CSI反馈配置信息用于指示系统配置的所述终端上报所述CSI信息时所使用的反馈方式；
所述终端根据所述CSI反馈配置信息，及反馈方式与上行信道的对应关系，确定所述CSI信息所使用的上行信道；
所述终端对所述CSI信息进行编码，包括：
所述终端根据确定的反馈方式，以及反馈方式与编码方式之间的对应关系对所述CSI信息进行编码；其中，所述编码方式包括整体编码方式和拆分编码方式。
第二方面，本申请实施例提供一种CSI信息接收方法，包括：
所述基站向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源；
所述基站接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
所述基站根据所述RI信息解码所述编码后的CSI信息。
可能的实施方式中，在所述基站接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息之前，进一步包括：
所述基站配置用于指示所述终端上报CSI信息时所使用的反馈方式的CSI反馈配置信息；
所述基站将所述CSI反馈配置信息发送给所述终端，以使所述终端根据所述CSI反馈配置信息反馈编码后的CSI信息。
第三方面，本申请实施例提供一种终端，包括：
接收器，用于接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或所述DMRS配置信令确定映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
处理器，与接收器相连，用于对下行信道进行测量，并根据测量结果计算信道状态信息CSI，及对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上；
发送器，与处理器相连，用于将映射后的CSI信息进行上报。
可能的实施方式中，所述处理器进一步用于：
在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号对应的RE上进行传输之后，确定所述映射符号集合中存在未被映射的剩余OFDM符号，及所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分，并将所述剩余CSI信息部分映射到所述剩余OFDM符号的RE上进行传输，和/或，映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上。
可能的实施方式中，所述处理器进一步用于：
在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的RE上进行传输之后，确定所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分，并将所述剩余 CSI信息部分映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号对应的RE上进行传输。
可能的实施方式中，所述接收器进一步用于：
在所述处理器对所述CSI信息进行编码之前，获取所述基站发送的CSI反馈配置信息，所述CSI反馈配置信息用于指示系统配置的所述终端上报所述CSI信息时所使用的反馈方式，并根据所述CSI反馈配置信息，及反馈方式与上行信道的对应关系，确定所述CSI信息所使用的上行信道；
所述处理器进一步用于：根据确定的反馈方式，以及反馈方式与编码方式之间的对应关系对所述CSI信息进行编码；其中，所述编码方式包括整体编码方式和拆分编码方式。
第四方面，本申请实施例提供一种基站，包括：
发送器，用于向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源；
接收器，用于接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
处理器，与所述接收器和发送器连接，用于根据所述RI信息解码所述编码后的CSI信息。
可能的实施方式中，所述处理器进一步用于：
在所述接收器接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息之前，配置用于指示所述终端上报CSI信息时所使用的反馈方式的CSI反馈配置信息；
所述基站将所述CSI反馈配置信息发送给所述终端，以使所述终端根据所述CSI反馈配置信息反馈编码后的CSI信息。
第五方面，本申请实施提一种终端，包括：
接收模块，用于接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或所述DMRS配置信令确定相应的映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
测量模块，用于对下行信道进行测量，并根据测量结果计算信道状态信息CSI；
处理模块，用于对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上进行传输。
第六方面，本申请实施例提供一种基站，包括：
发送模块，用于向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，；
接收模块，用于接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
处理模块，用于根据所述RI信息解码所述编码后的CSI信息。
第七方面，本申请实施例提供一种计算机装置，所述计算机装置包括处理器，所述处理器用于执行存储器中存储的计算机程序时实现如第一方面及第二方面所述方法。
第八方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质存储有计算机指令，当所述指令在计算机上运行时，使得计算机执行如第一方面及第二方面所述的方法。
本申请实施例中，由于终端在根据基站发送的DMRS配置信令确定相应的映射符号集合后，因此在终端上报CSI信息时，可将编码后的CSI信息中包含RI信息的信息部分优先映射到映射符号集合中的至少一个OFDM符号上进行传输，以提高RI信息的传输成功率，便于基站根据终端上报RI信息对接收的编码后的CSI信息进行解码，从而提高解码的准确性。
附图说明
图1为现有技术中NR系统中在PUCCH信道上DMRS配置的示意图；
图2为现有技术中NR系统中在PUSCH信道上DMRS配置的示意图；
图3为本申请实施例中CSI信息上报方法的流程图；
图4A-图4C为本申请实施例中PUSCH信道中映射符号集合示意图；
图5A-图5C为本申请实施例中PUCCH信道中映射符号集合示意图；
图6为本申请实施例中CSI信息接收方法的流程图；
图7为本申请实施例中终端的结构示意图；
图8为本申请实施例中基站的结构示意图；
图9为本申请实施例中终端的模块示意图；
图10为本申请实施例中基站的模块示意图；
图11为本申请实施例中计算机装置的结构示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
本文中描述的技术方案可用于第五代移动通信技术(5G)系统，还可用于下一代移动通信系统。
首先，对本申请实施例中的部分用语进行解释说明，以便于本领域技术人员理解。
(1)基站，可以是指接入网中在空中接口上通过一个或多个扇区与终端通信的设备。例如，基站可以包括长期演进(Long Term Evolution，LTE)系统或演进的LTE系统(LTE-Advanced，LTE-A)中的演进型基站(NodeB或eNB或e-NodeB，evolutional Node B)，或者也可以包括5G系统中的下一代节点B(next generation node B，gNB)。本申请实施例中的基站主要是指5G系统中的基站。
(2)终端，可以是具有无线通信功能的设备。终端可以接收基站传输的下行数据，例如CSI-RS，并能够通过上行信道上报相应数据，例如CSI信息。该终端可以经无线接入网(Radio Access Network，RAN)与核心网进行通信。该终端可以包括用户设备(User Equipment，UE)、无线终端设备、移动终端设备、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)、接入点(Access Point，AP)、远程终端设备(Remote Terminal)、接入终端设备(Access Terminal)、用户终端设备(User Terminal)、用户代理(User Agent)、或用户装备(User Device)等。例如，可以包括移动电话(或称为“蜂窝”电话)，具有移动终端设备的计算机，便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，智能穿戴式设备等。例如，个人通信业务(Personal Communication Service，PCS)电话、无绳电话、会话发起协议(SIP)话机、无线本地环路(Wireless Local Loop，WLL)站、个人数字助理(Personal Digital Assistant，PDA)、智能手表、智能头盔、智能眼镜、智能手环等设备。还包括受限设备，例如功耗较低的设备，或存储能力有限的设备，或计算能力有限的设备等。例如包括条码、射频识别(RFID)、传感器、全球定位系统(GPS)、激光扫描器等信息传感设备。
(3)上行信道，用于终端向基站传输数据，例如上报CSI信息等。本申请实施例中， 上行信道可以是指PUCCH信道或PUSCH信道。
接下来，将对NR系统中的上行信道的常见结构进行说明。
一、PUCCH信道。
在NR系统中，定义了short PUCCH信道和long PUCCH信道。其中，short PUCCH信道包含1-2个OFDM符号，在传输CSI信息时，每个OFDM符号上均配置了DMRS，也就是说，在PUCCH所占用的时频资源中，每个OFDM符号上可以配置一个DMRS。long PUCCH信道包含4-14个OFDM符号，根据OFDM符号数，可将long PUCCH信道分为跳频和非跳频两种结构。
非跳频的PUCCH包含2个DMRS符号，如图1中(a)所示。对于跳频的PUCCH，可以进一步根据每个跳频部分的OFDM符号数，在每个跳频部分包括1个DMRS符号，如图1中(b)所示，或者每个跳频部分也可以包括2个DMRS符号，如图1中(c)所示。
二、PUSCH信道。
PUSCH信道的结构中，系统可以根据用户的移动速度等应用场景，除了前置DMRS(front-loaded DMRS)之外，还可以额外增加一组或两组附加DMRS，如图2所示。
下面，为了更好的理解上述技术方案，下面将结合说明书附图以及具体的实施方式对上述技术方案进行详细的说明。
实施例一
本申请实施例中提供一种CSI信息上报方法，该方法可以应用于终端，以使终端与基站进行数据传输，如图3所示，该方法可以描述如下。
S11：终端接收基站发送的上行信道资源配置信令和/或DMRS配置信令，并根据上行信道资源配置信令和/或DMRS配置信令确定映射符号集合；其中，DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，上行信道资源配置信令用于指示上行信道所占用的时频资源，映射符号集合为时频资源中与OFDM符号相邻的OFDM符号的集合。
具体的，终端在接收基站发送的上行信道资源配置信令和/或DMRS配置信令后，可以确定系统针对上行信道的DMRS配置，例如确定PUCCH信道(或PUSCH信道)中DMRS的数量，以及确定每个DMRS在承载PUCCH信道的时频资源中所占用的OFDM符号的位置。
其中，上行信道资源配置信令可以是指PUSCH资源配置信令或PUCCH配置信令，则PUSCH资源配置信令可以指示PUSCH信道所占用的时频资源，而PUCCH配置信令可以指示PUCC信道所占用的时频资源。
进一步，终端可按照系统的预定义将时频资源中每个DMRS所占用的OFDM符号的 相邻一侧或者两侧的OFDM符号确定为映射符号，所有映射符号的集合即为映射符号集合。例如，如图4A-图4C所示，其为系统针对PUSCH信道的三种DMRS配置，及每种DMRS配置对应的映射符号集合。其中，图4A所示为前置DMRS，图4B为前置DMRS及一组附加DMRS，图4C为前置DMRS及两组附加DMRS，上述各图中均以一个资源数据块(Physical Resource Block，PRB)进行示意。
S12：终端对下行信道进行测量，并根据测量结果计算信道状态信息CSI。
本申请实施例中，终端可对下行信道进行信道测量，即对下行信道的CQI，PMI，秩指示(Rank Indexes，RI)等信息进行测量，即可获得包括RI，PMI和CQI等信息的CSI信息。
当然，在实际应用中，CSI信息中还可能包含信道状态信息测量导频(Channel State Indication Reference Signal，CSI-RS)的资源指示信息CRI。
本申请实施例中，终端还可以获取基站发送的CSI反馈配置信息，该CSI反馈配置信息可以用于指示基站配置的终端在上报CSI信息时所使用的反馈方式，例如采用Type I码本或Type II码本，采用周期、半持续或者非周期反馈，采用宽带反馈或者子带反馈等。
进而，终端根据接收的CSI反馈配置信息，及反馈方式与上行信道的对应关系，即可确定CSI信息在本次反馈使用的上行信道。
S13：终端对CSI信息进行编码，并将编码后的CSI信息中包含RI信息的信息部分，映射到映射符号集合中的至少一个OFDM符号的资源单元(Resource Element，RE)上进行传输。
在该步骤中，终端可根据确定的反馈方式，以及反馈方式与编码方式之间的对应关系可以对CSI信息进行编码，该编码方式包括整体编码方式和拆分编码方式，即根据配置的CSI信息的反馈方式的不同，可以将CSI信息作为一个整体进行编码反馈，或者，也可以将CSI信息分为两个或两个以上的信息部分分别进行编码，进而进行传输反馈。
常见的CSI信息的编码方式包括但不仅限于以下情况：
情况一：对于PUCCH信道(主要是指long PUCCH信道)的反馈，包括两种编码方式，包括：
①终端将CSI信息作为一个整体联合编码；
②终端将CSI信息分为两个信息部分进行独立编码，一个信息部分是RI/CRI联合编码，另一个信息部分是PMI/CQI联合编码。
情况二、对于PUSCH信息反馈，终端可以根据反馈的码本类型确定相应的编码方式：
①针对类型I码本(即Type I码本)，终端可将CSI信息分成两个信息部分进行独立编码，一个信息部分是RI/CRI和第一个码字的CQI联合编码，另一个信息部分是PMI和第二个码字的CQI联合编码；
②针对类型II码本(即Type II码本)，终端将CSI信息分成两个信息部分或三个信息部分，并对每个信息部分独立进行编码。例如，若终端将CS信息分成三个信息部分，则第一信息部分通常是RI/CQI联合编码，第二信息部分是宽带幅度信息联合编码，第三信息部分是PMI联合编码。
在S13中，终端完成对CSI信息的编码后，可将编码后的CSI信息映射到承载上行信道的时频资源所包含的OFDM符号上，以将CSI信息上报基站。
具体来说，终端在将编码后的CSI信息在上行信道中进行映射和传输时，可将编码后的CSI信息中包括RI信息的信息部分优先映射到映射符号集合中的OFDM符号对应的RE上，下面分情况分别说明：
情况一：若终端在本次上报时，采用将完整的CSI信息作为一个整体联合编码的方式。
则终端可将联合编码后的CSI信息优先映射至映射符号集合中的一个，多个或者全部OFDM符号上。进而，终端可将剩余未能映射的编码后的CSI信息映射至上行信道的其余OFDM符号上。
情况二：若终端在本次上报时，采用将完整的CSI信息拆分成多个信息部分，每个信息部分独立编码的方式。
则终端可将编码后的CSI信息中包含RI信息的信息部分优先映射至映射符号集合中的一个，多个或者全部OFDM符号上。
进而，若终端确定映射符号集合中还存在有剩余资源(RE)，即剩余OFDM符号的RE，则终端可将编码后的CSI信息的其他信息部分映射到剩余资源上进行传输，和/或，映射到映射至时频资源中除映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上进行传输。
例如，可将编码后的CSI信息除包含RI信息的信息部分的其他信息部分，优先映射至映射符号集合中的剩余资源上，若其他信息部分还有剩余的CSI信息，则进一步可将剩余的CSI信息映射至上行信道的其余OFDM符号上。或者，在映射符合集合中存在剩余资源的情况下，也可将其他信息部分全部映射至承载上行信道的时频资源中除映射符号集合之外的其余OFDM符号上，例如时频资源中其它与DMRS所占用的OFDM符号邻近的OFDM上。
因此，本申请实施例中，终端同通过将CSI信息中的RI信息优先映射到可靠性较高的映射符号集合中的OFDM符号的RE上，能够有效提高传输RI信息的成功率，且由于RI信息可以用于指示用户数据传输时的流数，故有助于提高基站解码CSI信息的准确性。
下面通过具体的举例说明本申请实施例的应用场景。
场景一
若终端根据接收的PUSCH资源配置信令和DMRS配置信令，确定DMRS在上行信道 中的配置为如图4B所示结构，即在PUSCH信道上配置一个前置DMRS以及一组附加DMRS，且基站通过DCI信令触发终端反馈非周期的Type II CSI。
首先，终端接收基站发送的PUSCH资源配置信令和DMRS配置信令后，可以确定映射符号集合，请仍参考图4B所示。
然后，终端根据基站的CSI反馈配置信息确定本次反馈方式为在PUSCH信道上进行非周期Type II CSI反馈。
进而，终端根据下行信道的信道测量结果，计算得到完整Type II的CSI信息，其包括RI/PMI/CQI。终端根据反馈方式确定此时的CSI信息分为三个部分。其中，第一部分包括RI/CQI，并对此部分进行编码；第二部分包括PMI中的宽带幅度信息，对此部分进行编码；第三部分包括除去宽带幅度信息外的剩余PMI信息，并对此部分进行编码。
由于第一部分包含RI信息，因此，终端在将编码后的CSI信息进行映射时，可将经过编码后的第一部分优先映射至映射符号集合中的OFDM的RE上，例如映射至图4B中的映射符号3(即对应编号为3的OFDM符号的RE，后续出现的该词含义相同)和映射符号10上。
在将第一部分在映射符号集合中进行映射时，也可采用先频域后时域的映射方式，即首先在OFDM符号3上进行映射，此符号的RE占满后，继续在OFDM符号10的RE上进行映射；或者，也可以采用先时域后频域的映射方式，即按照子载波的顺序，在每个子载波上首先映射至OFDM符号3的RE上，再映射至OFDM符号10的RE上。
进而，终端可将编码后的第二部分CSI信息和第三部分CSI信息依次映射至OFDM符号12、符号13以及符号4-9上。这里首先映射至符号12上是因为其紧邻DMRS符号。
其中，如果终端在将编码后的第一部分在映射符号集合中映射完成后，符号3或者符号10上仍有剩余RE未被占用，此部分资源可不被使用。
最后，终端将映射在PUSCH信道的CSI信息进行上报。
场景二
若针对long PUCCH的每种DMRS配置，系统预定义如图5A-图5C所示，三种DMRS配置，且图中示出每种DMRS配置对应的映射符号集合。其中，图5A所示为非调频结构，图5B为跳频-每个跳频小符号数，图5C为跳频-每个跳频大符号数。
需要说明的是，与图4A-图4C不同，这里的OFDM符号仅用于表示的是PUCCH区域的第一个符号至最后一个符号，即起编号作用，而非在一个时隙中的符号索引。
若终端根据接收的PUCCH配置信令，确定基站为终端配置8个OFDM符号的long PUCCH，采用跳频方式，每个跳频上包括4个OFDM符号，且每个跳频上只包含一个DMRS，如图5B所示。以及，终端通过CSI反馈配置信息确定基站配置终端反馈周期的Type I CSI。
则对于终端来说，首先，终端接收基站发送的PUCCH配置信令，并确定映射符号集合，请仍参考图5B。
然后，终端根据基站的CSI反馈配置信息确定本次反馈方式为子带周期Type I CSI反馈，并根据系统预定义的反馈方式与上行信道的对应关系，确定在long PUCCH信道上进行反馈。
进而，终端进行信道测量并计算得到完整Type I CSI信息，其包括RI/CRI/PMI/CQI。终端根据反馈方式确定将CSI信息分为两个部分，第一部分包括RI/CRI和第一个码字的CQI，对此部分进行编码；第二部分包括PMI和第二个码字的CQI，对此部分进行编码。
由于第一部分包含RI信息，则终端可将经过编码后的第一部分映射至图5B中的映射符号1、3、5和7上。在进行资源映射时，终端可以采用先频域后时域的映射方式，也可以采用先时域后频域的映射方式。
假设经过编码后的第一部分映射完成后，终端确定映射符号1、3、5或7上仍有剩余RE未被占用，则可以将编码后的第二部分CSI信息映射至这些剩余RE上，再将编码后的第二部分CSI信息的剩余部分映射至符号4、8上。
最后，终端将映射在PUCCH信道的CSI信息进行上报。
实施例二
如图6所示，本申请实施例提供一种CSI信息接收方法，可以应用于基站，该方法包括以下步骤：
S21：基站向终端发送上行信道配置信令和/或DMRS配置信令；其中，DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，上行信道资源配置信令用于指示上行信道所占用的时频资源。
具体来说，上行信道配置信令和/或DMRS配置信令可以指示终端在PUSCH信道上配置一个前置DMRS以及一组附加DMRS，即图4B所示配置，或者也可以指示为终端配置8个OFDM符号的long PUCCH，且采用跳频方式，每个跳频上包括4个OFDM符号，且每个跳频上只包含一个DMRS符号，即图5B所示配置。
因此，基站通过下行信道将上行信道配置信令和/或DMRS配置信令发送给终端，以使终端得知基站指示本次反馈CSI信息的上行信道的DMRS配置，并根据接收的上行信道配置信令和/或DMRS配置信令进行相应操作，例如触使终端确定映射符号集合。
S22：基站接收终端反馈的编码后的CSI信息，获得编码后的CSI信息中包括的RI信息；其中，编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，映射符号集合为承载上行信道的时频资源中与DMRS所占用的OFDM符号相邻的OFDM符号的集合。
在S22之前，基站还可以配置用于指示终端上报CSI信息时的反馈方式的CSI反馈配置信息，并将给CSI反馈配置信息发送给终端。
S23：基站根据RI信息解码编码后的CSI信息。
本申请实施例中，基站接收的CSI信息中所包括的RI信息可以用于指示用户数据传输时的流数，有助于提高解码CSI信息时的准确性。
实施例三
基于同一发明构思，本申请实施例提供一种终端，该终端可以用于执行如图3所示的CSI信息上报方法，如图7所示，该终端包括接收器31、处理器33和发送器32。
考虑到在实际应用中，接收器31和发送器32通常被设置在同一设备中，例如收发机，因此图7中以这两个部件为收发机中的部件为例。
此外，终端中还可以包括存储器34，图7中以虚线示出。存储器34可以用于存储终端中的各种数据，例如存储CSI信息等。
接收器31可以用于接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或DMRS配置信令确定映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
处理器33与接收器31相连，用于对下行信道进行测量，并根据测量结果计算信道状态信息CSI，及对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上；
发送器32，可以分别与处理器33及接收器31相连，用于将映射后的CSI信息进行上报。
可选的，所述处理器33进一步用于：
在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号对应的RE上进行传输之后，确定所述映射符号集合中存在未被映射的剩余OFDM符号，及所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分，并将所述剩余CSI信息部分映射到所述剩余OFDM符号的RE上进行传输，和/或，映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上。
可选的，所述处理器33进一步用于：
在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的RE上进行传输之后，确定所述编码 后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分，并将所述剩余CSI信息部分映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号对应的RE上进行传输。
可选的，所述接收器31进一步用于：
在所述处理器对所述CSI信息进行编码之前，获取所述基站发送的CSI反馈配置信息，所述CSI反馈配置信息用于指示系统配置的所述终端上报所述CSI信息时所使用的反馈方式，并根据所述CSI反馈配置信息，及反馈方式与上行信道的对应关系，确定所述CSI信息所使用的上行信道；
所述处理器33进一步用于：根据确定的反馈方式，以及反馈方式与编码方式之间的对应关系对所述CSI信息进行编码；其中，所述编码方式包括整体编码方式和拆分编码方式。
实施例四
图8所示，基于同一发明构思，本申请实施例提供一种基站，该基站可以用于执行如图6所示的CSI信息接收方法，该基站包括发送器41、接收器42和处理器43。
考虑到在实际应用中，接收器42和发送器41通常被设置在同一设备中，例如收发机，因此图8中以这两个部件为收发机中的部件为例。
此外，终端中还可以包括存储器44，图8中以虚线示出。存储器44可以用于存储基站中的各种数据，例如存储DMRS配置或接收的CSI信息等。
发送器41，用于向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源；
接收器42，用于接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
处理器43，与所述接收器42和发送器41连接，用于根据所述RI信息解码所述编码后的CSI信息。
可选的，所述处理器43进一步用于：
在所述接收器42接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息之前，配置用于指示所述终端上报CSI信息时所使用的反馈方式的CSI反馈配置信息；
所述发送器41进一步用于将所述CSI反馈配置信息发送给所述终端。
实施例五
如图9所示，本申请实施例提供一种终端，该终端基站可以用于执行如图3所示的CSI信息上报方法，该终端包括接收模块51、测量模块52和处理模块53。
接收模块51用于接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或所述DMRS配置信令确定相应的映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
测量模块52用于对下行信道进行测量，并根据测量结果计算信道状态信息CSI；
处理模块53用于对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上进行传输。
可选的，所述处理模块53还用于：在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号对应的RE上进行传输之后，确定所述映射符号集合中存在未被映射的剩余OFDM符号，及所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分；
及，将所述剩余CSI信息部分映射到所述剩余OFDM符号的RE上进行传输，和/或，映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上进行传输
可选的，所述处理模块53还用于：在所述终端对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的RE上进行传输之后，确定所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分；
及，将所述剩余CSI信息部分映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号对应的RE上进行传输。
可选的，所述接收模块51还用于在所述终端对所述CSI信息进行编码之前，获取所述基站发送的CSI反馈配置信息，所述CSI反馈配置信息用于指示系统配置的所述终端上报所述CSI信息时所使用的反馈方式，并根据所述CSI反馈配置信息，及反馈方式与上行信道的对应关系，确定所述CSI信息所使用的上行信道；
所述处理模块53用于根据所述接收模块51确定的反馈方式，以及反馈方式与编码方式之间的对应关系对所述CSI信息进行编码；其中，所述编码方式包括整体编码方式和拆分编码方式。
实施例六
如图10所示，本申请实施例提供一种基站，该基站可以用于执行如图6所示的CSI信息接收方法，该基站包括发送模块61、接收模块62和处理模块63。
发送模块61可以用于向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，
接收模块62可以用于接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合。
处理模块63可以用于根据所述RI信息解码所述编码后的CSI信息。
可选的，所述处理器63在所述接收模块62接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息之前，还用于配置用于指示所述终端上报CSI信息时所使用的反馈方式的CSI反馈配置信息；
所述发送模块61用于将所述CSI反馈配置信息发送给所述终端。
实施例七
本申请实施例中还提供一种计算机装置，请参考图11所示，该计算机装置包括处理器71、存储器72和收发机73，三者之间可以通过总线进行连接。其中，收发机73在处理器71的控制下接收和发送数据，例如发送/接收CSI信息等等，存储器72中保存有预设的程序，处理器71用于执行存储器72中存储的计算机程序时实现本申请实施例一和实施例二所提供的方法的步骤。
可选的，处理器71具体可以是中央处理器、特定应用集成电路(Application Specific Integrated Circuit，ASIC)，可以是一个或多个用于控制程序执行的集成电路，可以是使用现场可编程门阵列(Field Programmable Gate Array，FPGA)开发的硬件电路，可以是基带处理器。
可选的，处理器71可以包括至少一个处理核。
可选的，电子设备的存储器72可以包括只读存储器(Read Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)和磁盘存储器。存储器72用于存储处理器71运行时所需的数据。存储器72的数量为一个或多个。
实施例八
本申请实施例中还提供一种计算机可读存储介质，该计算机可读存储介质存储有计算 机指令，当计算机指令指令在计算机上运行时可以实现如本申请实施一例提供的导频配置方法和实施例二的信道测量方法的步骤。
在本申请实施例中，应该理解到，所揭露网络流量监控方法及网络流量监控系统，可以通过其它的方式实现。例如，以上所描述的设备实施例仅仅是示意性的，例如，单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性或其它的形式。
在本申请实施例中的各功能单元可以集成在一个处理单元中，或者各个单元也可以均是独立的物理模块。
集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请实施例的技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备，例如可以是个人计算机，服务器，或者网络设备等，或处理器(Processor)执行本申请各个实施例的方法的全部或部分步骤。而前述的存储介质包括：通用串行总线闪存盘(Universal Serial Bus flash drive，USB)、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请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，本申请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。
本申请是参照根据本申请实施例的方法、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。
尽管已描述了本申请的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本申请范围的所有变更和修改。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实施例的精神和范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (16)

  1. 一种CSI信息上报方法，其特征在于，包括：
    终端接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或DMRS配置信令确定映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
    所述终端对下行信道进行测量，并根据测量结果计算信道状态信息CSI；
    所述终端对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上进行传输。
  2. 如权利要求1所述的方法，其特征在于，在所述终端对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号对应的RE上进行传输之后，进一步包括：
    所述终端确定所述映射符号集合中存在未被映射的剩余OFDM符号，及所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分；
    所述终端将所述剩余CSI信息部分映射到所述剩余OFDM符号的RE上进行传输，和/或，映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上进行传输。
  3. 如权利要求1所述的方法，其特征在于，在所述终端对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的RE上进行传输之后，进一步包括：
    所述终端确定所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分；
    所述终端将所述剩余CSI信息部分映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号对应的RE上进行传输。
  4. 如权利要求1-3任一权项所述的方法，其特征在于，在所述终端对所述CSI信息进行编码之前，进一步包括：
    所述终端获取所述基站发送的CSI反馈配置信息，所述CSI反馈配置信息用于指示系统配置的所述终端上报所述CSI信息时所使用的反馈方式；
    所述终端根据所述CSI反馈配置信息，及反馈方式与上行信道的对应关系，确定所述CSI信息所使用的上行信道；
    所述终端对所述CSI信息进行编码，包括：
    所述终端根据确定的反馈方式，以及反馈方式与编码方式之间的对应关系对所述CSI信息进行编码；其中，所述编码方式包括整体编码方式和拆分编码方式。
  5. 一种CSI信息接收方法，其特征在于，包括：
    所述基站向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源；
    所述基站接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
    所述基站根据所述RI信息解码所述编码后的CSI信息。
  6. 如权利要求5所述的方法，其特征在于，在所述基站接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息之前，进一步包括：
    所述基站配置用于指示所述终端上报CSI信息时所使用的反馈方式的CSI反馈配置信息；
    所述基站将所述CSI反馈配置信息发送给所述终端，以使所述终端根据所述CSI反馈配置信息反馈编码后的CSI信息。
  7. 一种终端，其特征在于，包括：
    接收器，用于接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或所述DMRS配置信令确定映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
    处理器，与接收器相连，用于对下行信道进行测量，并根据测量结果计算信道状态信息CSI，及对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上；
    发送器，与处理器相连，用于将映射后的CSI信息进行上报。
  8. 如权利要求7所述的终端，其特征在于，所述处理器进一步用于：
    在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分， 映射到所述映射符号集合中的至少一个OFDM符号对应的RE上进行传输之后，确定所述映射符号集合中存在未被映射的剩余OFDM符号，及所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分，并将所述剩余CSI信息部分映射到所述剩余OFDM符号的RE上进行传输，和/或，映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号的RE上。
  9. 如权利要求7所述的终端，其特征在于，所述处理器进一步用于：
    在对所述CSI信息进行编码，将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的RE上进行传输之后，确定所述编码后的CSI信息中除包含所述RI信息的信息部分以外的剩余CSI信息部分，并将所述剩余CSI信息部分映射到所述时频资源中除所述映射符号集合所包含的OFDM符号之外的其它OFDM符号对应的RE上进行传输。
  10. 如权利要求7-9任一权项所述的终端，其特征在于，所述接收器进一步用于：
    在所述处理器对所述CSI信息进行编码之前，获取所述基站发送的CSI反馈配置信息，所述CSI反馈配置信息用于指示系统配置的所述终端上报所述CSI信息时所使用的反馈方式，并根据所述CSI反馈配置信息，及反馈方式与上行信道的对应关系，确定所述CSI信息所使用的上行信道；
    所述处理器进一步用于：根据确定的反馈方式，以及反馈方式与编码方式之间的对应关系对所述CSI信息进行编码；其中，所述编码方式包括整体编码方式和拆分编码方式。
  11. 一种基站，其特征在于，包括：
    发送器，用于向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源；
    接收器，用于接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
    处理器，与所述接收器和发送器连接，用于根据所述RI信息解码所述编码后的CSI信息。
  12. 如权利要求11所述的基站，其特征在于，所述处理器进一步用于：
    在所述接收器接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息之前，配置用于指示所述终端上报CSI信息时所使用的反馈方式的CSI反馈配置信息；
    所述基站将所述CSI反馈配置信息发送给所述终端，以使所述终端根据所述CSI反馈配置信息反馈编码后的CSI信息。
  13. 一种终端，其特征在于，包括：
    接收模块，用于接收基站发送的上行信道资源配置信令和/或解调参考信号DMRS配置信令，并根据所述上行信道资源配置信令和/或所述DMRS配置信令确定相应的映射符号集合；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源，所述映射符号集合为所述时频资源中与所述OFDM符号相邻的OFDM符号的集合；
    测量模块，用于对下行信道进行测量，并根据测量结果计算信道状态信息CSI；
    处理模块，用于对所述CSI信息进行编码，并将编码后的CSI信息中包含秩指示RI信息的信息部分，映射到所述映射符号集合中的至少一个OFDM符号的资源单元RE上进行传输。
  14. 一种基站，其特征在于，包括：
    发送模块，用于向终端发送上行信道资源配置信令和/或解调参考信号DMRS配置信令；其中，所述DMRS配置信令用于指示系统为上行信道配置的DMRS的数量，以及每个DMRS在承载所述上行信道的时频资源中所占用的正交频分复用OFDM符号的时频位置，所述上行信道资源配置信令用于指示上行信道所占用的时频资源；
    接收模块，用于接收所述终端反馈的编码后的信道状态信息CSI，获得所述编码后的CSI信息中包括的秩指示RI信息；其中，所述编码后的CSI信息中包括RI信息的信息部分被映射到映射符号集合中的至少一个OFDM符号的RE上，所述映射符号集合为承载所述上行信道的时频资源中与所述DMRS所占用的OFDM符号相邻的OFDM符号的集合；
    处理模块，用于根据所述RI信息解码所述编码后的CSI信息。
  15. 一种计算机装置，其特征在于，所述计算机装置包括处理器，所述处理器用于执行存储器中存储的计算机程序时实现如权利要求1-6中任一权项所述方法。
  16. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储有计算机指令，当所述指令在计算机上运行时，使得计算机执行如权利要求1-6中任一权项所述的方法。
PCT/CN2018/093407 2017-09-08 2018-06-28 一种csi信息的上报、接收方法及通信设备 WO2019047598A1 (zh)

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