WO2018192350A1 - 一种用于多天线传输的用户设备、基站中的方法和装置 - Google Patents

一种用于多天线传输的用户设备、基站中的方法和装置 Download PDF

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Publication number
WO2018192350A1
WO2018192350A1 PCT/CN2018/080984 CN2018080984W WO2018192350A1 WO 2018192350 A1 WO2018192350 A1 WO 2018192350A1 CN 2018080984 W CN2018080984 W CN 2018080984W WO 2018192350 A1 WO2018192350 A1 WO 2018192350A1
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type
air interface
reference signal
downlink information
interface resource
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PCT/CN2018/080984
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English (en)
French (fr)
Inventor
张晓博
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上海朗帛通信技术有限公司
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Application filed by 上海朗帛通信技术有限公司 filed Critical 上海朗帛通信技术有限公司
Priority to EP18787338.5A priority Critical patent/EP3614603B1/en
Priority to ES18787338T priority patent/ES2929939T3/es
Priority to EP22183457.5A priority patent/EP4089953A1/en
Publication of WO2018192350A1 publication Critical patent/WO2018192350A1/zh
Priority to US16/655,259 priority patent/US11496186B2/en
Priority to US17/933,819 priority patent/US11956033B2/en

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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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0091—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
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Definitions

  • the present application relates to a transmission method and apparatus in a wireless communication system, and more particularly to a transmission scheme and apparatus in a wireless communication system supporting multi-antenna transmission.
  • Massive MIMO Multiple Input Multiple Output
  • LTE Long Term Evolution
  • the most common way to obtain channel information is that the receiving end of the wireless signal estimates the channel state information by measuring the reference signal, and feeds back the estimated channel state information. Notification is given to the sender of the wireless signal.
  • LTE Long Term Evolution
  • the channel reciprocity between the uplink and downlink channels is fully utilized in the 5G system to acquire (partial) channel information, especially in a TDD (Time-Division Duplex) system.
  • TDD Time-Division Duplex
  • the inventors have found through research that in a system where the uplink and downlink channels have (partial) channel reciprocity, by establishing a connection between the uplink and downlink reference signals, channel reciprocity can be effectively utilized, and channel estimation quality can be improved.
  • the associated uplink and downlink reference signals may be jointly configured.
  • the present application discloses a solution to the above findings. It should be noted that although the initial motivation of the present application is for multi-antenna transmission, the present application is also applicable to single antenna transmission. In the case of no conflict, the features in the embodiments and embodiments in the first node of the present application can be applied to the second node, and vice versa. The features of the embodiments and the embodiments of the present application may be combined with each other arbitrarily without conflict.
  • the present application discloses a method for use in a first node for multi-antenna transmission, including:
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the target receiver of the first type of reference signal includes the first node, the sender of the second type of reference signal is the first node; for the first type of reference
  • the measurement of the signal is used to generate the second type of reference signal;
  • the first node is a user equipment and the operation is reception, or the first node is a base station and the operation is a transmission.
  • the above method is advantageous in that an association is established between the first type of reference signal and the second type of reference signal, and the channel reciprocity is determined according to the measurement for the first type of reference signal.
  • the transmit beam direction of the second type of reference signal is directed to reduce the overhead of the second type of reference signal.
  • the foregoing method has the advantages that the first information element and the second air interface resource are configured by using the same information unit, and the first type reference signal and the second type reference signal are reduced.
  • the overhead of configuration signaling associated with the association is established.
  • the first downlink information is carried by high layer signaling.
  • the first downlink information is carried by RRC (Radio Resource Control) signaling.
  • RRC Radio Resource Control
  • the information unit is an IE (Information Element).
  • the information element is a CSI-Process IE.
  • the first downlink information is a CSI-Process IE.
  • the first downlink information includes all fields in the CSI-Process IE.
  • the first domain is a csi-RS-ConfigNZPId-r11 field.
  • the second domain is a csi-RS-ConfigNZPId-r11 field.
  • the first air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the first air interface resource includes a CSI-RS (Channel Status Information Reference Signal) resource
  • the first node is a user equipment.
  • CSI-RS Channel Status Information Reference Signal
  • the first air interface resource includes a SRS (Sounding Reference Signal) resource
  • the first node is a base station.
  • SRS Sounding Reference Signal
  • the first air interface resource includes a positive integer number of consecutive time units in the time domain.
  • the time unit is a sub-frame.
  • the time unit is a slot.
  • the time unit is 1 ms.
  • the first air interface resource includes a positive integer number of consecutive time units in the time domain.
  • the second air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the second air interface resource includes an SRS resource
  • the first node is a user equipment
  • the second air interface resource includes a CSI-RS resource
  • the first node is a base station.
  • the second air interface resource includes a positive integer number of discontinuous time units in the time domain.
  • the second air interface resource includes a positive integer number of consecutive time units in the time domain.
  • the first type of reference signal comprises a CSI-RS
  • the first node is a user equipment.
  • the second type of reference signal comprises an SRS
  • the first node is a user equipment
  • the first type of reference signal comprises an SRS, and the first node is a base station.
  • the second type of reference signal comprises a CSI-RS
  • the first node is a base station.
  • the first air interface resource is multiple occurrences in the time domain, and the time interval between any two adjacent occurrences of the first air interface resource in the time domain is equal.
  • the second air interface resource is multiple occurrences in the time domain, and the time interval between any two adjacent occurrences of the second air interface resource in the time domain is equal.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated.
  • the benefit of the described embodiment is that the overhead of configuration signaling is saved.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the time domain resource occupied by the air interface resource and the time domain resource occupied by the second air interface resource configured by the given information unit are associated.
  • the given information element is any one of the information units.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the time interval between any two adjacent occurrences of the air interface resource in the time domain and the time interval between any two adjacent occurrences of the second air interface resource configured by the given information unit in the time domain are equal of.
  • the given information element is any one of the information units.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the time interval between any two adjacent occurrences of the air interface resource in the time domain is positive of the time interval between any two adjacent occurrences of the second air interface resource configured by the given information unit in the time domain.
  • the given information element is any one of the information units.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated with: the second configured by a given information unit.
  • the time interval between any two adjacent occurrences of the air interface resource in the time domain is positive of the time interval between any adjacent two occurrences of the first air interface resource configured by the given information unit in the time domain. Integer multiple.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the frequency domain resource occupied by the air interface resource is associated with the frequency domain resource occupied by the second air interface resource configured by the given information unit.
  • the given information element is any one of the information units.
  • the first air interface resource is a single occurrence in the time domain.
  • the second air interface resource is a single occurrence in the time domain.
  • the first downlink information is transmitted on a downlink physical layer data channel (ie, a downlink channel that can be used to carry physical layer data).
  • a downlink physical layer data channel ie, a downlink channel that can be used to carry physical layer data.
  • the downlink physical layer data channel is a PDSCH (Physical Downlink Shared CHannel).
  • PDSCH Physical Downlink Shared CHannel
  • the downlink physical layer data channel is sPDSCH (short PDSCH).
  • the downlink physical layer data channel is an NR-PDSCH (New Radio PDSCH).
  • NR-PDSCH New Radio PDSCH
  • the measuring for the first type of reference signal is used to generate the second type of reference signal means that the measurement for the first type of reference signal is used to determine a positive integer number of second type antennas
  • the port group, the second type of reference signals are respectively sent by the positive integer number of second type antenna port groups. Any one of the positive integer number of second type antenna port groups includes a positive integer number of second type antenna ports.
  • the measuring of the first type of reference signal is used to generate the second type of reference signal means that the measurement for the first type of reference signal is used to determine a positive integer number of beamforming vectors The positive integer number of beamforming vectors are used to transmit the second type of reference signal, respectively.
  • the method comprises:
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively determined.
  • the first domain in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type of air interface resources.
  • the first type of identifier corresponding to the first air interface resource in the Q1 first type identifier is the first identifier; the Q2 third downlink information is used to determine Q2 second type air interface resources and Q2, respectively.
  • the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence, and the second domain in the first downlink information is used to determine the second identifier
  • the second air interface resource is a second type of air interface resource of the Q2 second type air interface resource, and the second type identifier corresponding to the second air interface resource in the Q2 second type identifier is the a second identifier;
  • the Q1 and the Q2 are positive integers, respectively;
  • the first node is a user equipment and the For receiving, or the first node is a base station and the operation is transmitted.
  • the foregoing method is configured to pre-configure and identify multiple first-type air interface resources and multiple second-type air interface resources by using the second downlink information and the third downlink information, where the first The first air interface resource and the second air interface resource are selected in the first type of air interface resource and the plurality of second type air interface resources by using the first type identifier and the second type identifier.
  • a good compromise between overhead and flexibility is achieved.
  • the second downlink information is carried by high layer signaling.
  • the second downlink information is carried by RRC signaling.
  • the third downlink information is carried by high layer signaling.
  • the third downlink information is carried by RRC signaling.
  • the second downlink information is an IE.
  • the second downlink information is a CSI-RS-Config IE
  • the first node is a user equipment.
  • the second downlink information is a SoundingRS-UL-Config IE
  • the first node is a base station.
  • the third downlink information is an IE.
  • the third downlink information is a SoundingRS-UL-Config IE
  • the first node is a user equipment.
  • the third downlink information is a CSI-RS-Config IE
  • the first node is a base station.
  • the first domain in the first downlink information indicates the first identifier.
  • the second domain in the first downlink information indicates the second identifier.
  • any one of the Q1 first class identifiers is a non-negative integer.
  • any of the Q2 second class identifiers is a non-negative integer.
  • the first identification is a non-negative integer.
  • the second identity is a non-negative integer.
  • the second downlink information includes a sixth domain, and the sixth domain in the second downlink information indicates the corresponding first type identifier.
  • the third downlink information includes a seventh domain, and the seventh domain in the third downlink information indicates the corresponding second type identifier.
  • any one of the first type of air interface resources of the Q1 first type of air interface resources includes one or more of ⁇ time domain resources, frequency domain resources, and code domain resources ⁇ .
  • any one of the first type of air interface resources of the first type of air interface resources includes a CSI-RS resource, and the first node is a user equipment.
  • any of the first type of air interface resources of the Q1 first type of air interface resources includes an SRS resource, and the first node is a base station.
  • any one of the Q2 second-type air interface resources includes one or more of ⁇ time domain resources, frequency domain resources, and code domain resources ⁇ .
  • any of the second type of air interface resources of the Q2 second type of air interface resources includes an SRS resource, and the first node is a user equipment.
  • any of the second type of air interface resources of the Q2 second type of air interface resources includes a CSI-RS resource, and the first node is a base station.
  • the second downlink information is transmitted on a downlink physical layer data channel (ie, a downlink channel that can be used to carry physical layer data).
  • a downlink physical layer data channel ie, a downlink channel that can be used to carry physical layer data.
  • the downlink physical layer data channel is a PDSCH.
  • the downlink physical layer data channel is sPDSCH.
  • the downlink physical layer data channel is an NR-PDSCH.
  • the third downlink information is transmitted on a downlink physical layer data channel (ie, a downlink channel that can be used to carry physical layer data).
  • a downlink physical layer data channel ie, a downlink channel that can be used to carry physical layer data.
  • the downlink physical layer data channel is a PDSCH.
  • the downlink physical layer data channel is sPDSCH.
  • the downlink physical layer data channel is an NR-PDSCH.
  • the method comprises:
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal; the first node is a user equipment and the operation is reception; or The first node is a base station and the operation is a transmission.
  • the downlink signaling is a MAC CE (Medium Access Control Layer Control Element) signaling.
  • MAC CE Medium Access Control Layer Control Element
  • the downlink signaling is physical layer signaling.
  • the downlink signaling is transmitted on a downlink physical layer data channel (ie, a downlink channel that can be used to carry physical layer data).
  • a downlink physical layer data channel ie, a downlink channel that can be used to carry physical layer data.
  • the downlink physical layer data channel is a PDSCH.
  • the downlink physical layer data channel is sPDSCH.
  • the downlink physical layer data channel is an NR-PDSCH.
  • the downlink signaling is transmitted on a downlink physical layer control channel (ie, a downlink channel that can only be used to carry physical layer signaling).
  • a downlink physical layer control channel ie, a downlink channel that can only be used to carry physical layer signaling.
  • the downlink physical layer control channel is a PDCCH (Physical Downlink Control CHannel).
  • the downlink physical layer control channel is an sPDCCH (short PDCCH).
  • the downlink physical layer control channel is an NR-PDCCH (New Radio PDCCH).
  • NR-PDCCH New Radio PDCCH
  • the method comprises:
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-class antenna port groups in the M first sub-resources;
  • the second air interface The resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-type antenna port groups in the K second sub-resources;
  • Any of the first type of antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups includes a positive integer number of second type antenna ports, M and the K are positive integers, respectively.
  • measurements for the first type of reference signal are used to determine the K second type of antenna port groups.
  • the time domain resources occupied by any two of the M first sub-resources are orthogonal (non-overlapping).
  • the time domain resources occupied by at least two first sub-resources of the M first sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two first sub-resources in the M first sub-resources are the same.
  • the time domain resources occupied by any two of the K second sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two second sub-resources of the K second sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two second sub-resources of the K second sub-resources are the same.
  • any given first type of antenna port of the positive integer number of antenna ports is formed by superposition of multiple first type antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of a type of antenna to any given first type of antenna port constitute a first type of beamforming vector corresponding to any given first type of antenna port.
  • a first type of beamforming vector is composed of a first type of analog beamforming vector and a Kronecker product of a first type of digital beamforming vector.
  • the plurality of first type antennas are antennas configured by a sender of the first type of reference signal.
  • different first type antenna ports of any one of the M first type antenna port groups correspond to the same first type of analog beamforming vector.
  • different first type antenna ports of any one of the M first type antenna port groups correspond to different first type digital beamforming vectors.
  • different first antenna port groups of the M first type antenna port groups correspond to different first type analog beamforming vectors.
  • At least one first type of antenna port group in the M first type antenna port group includes only one type 1 antenna port, and the first type of antenna port corresponds to the first type of digital beam assignment.
  • the type vector is equal to 1.
  • At least one first type of antenna port group in the M first type antenna port groups includes a plurality of first type antenna ports.
  • any two different first type antenna port groups of the M first type antenna port groups include the same number of first type antenna ports.
  • the number of the first type of antenna ports included in the at least two different first type antenna port groups in the M first type antenna port groups is different.
  • any one of the positive integer second type antenna ports is formed by superposing multiple second antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of the second type of antenna to any given second type of antenna port constitute a second type of beamforming vector corresponding to any given second type of antenna port.
  • a second type of beamforming vector is composed of a second type of analog beamforming vector and a second class of digital beamforming vector Kronecker product.
  • the plurality of second type antennas are antennas configured by the first node.
  • different second antenna ports of any one of the K second type antenna port groups correspond to the same second type of analog beamforming vector.
  • different second type antenna ports of any one of the K second type antenna port groups correspond to different second type digital beamforming vectors.
  • different second antenna port groups of the K second type antenna port groups correspond to different second type analog beamforming vectors.
  • At least one second type of antenna port group of the K second type antenna port group includes only one type 2 antenna port, and the second type of antenna port corresponds to a second type of digital beam assignment.
  • the type vector is equal to 1.
  • At least one second type of antenna port group in the K second type antenna port groups includes a plurality of second type antenna ports.
  • any two different second antenna port groups of the K second type antenna port groups include the same number of second type antenna ports.
  • the number of the second type of antenna ports included in the at least two different second type antenna port groups in the K second type antenna port groups is different.
  • the first type of reference signal includes M first type of sub-signals, and the M first-type sub-signals are respectively used by the M first-type antennas in the M first sub-resources
  • the port group is sent.
  • the measurements for the K1 first type of sub-signals are used to determine K1 reference vectors, respectively, which are used to determine K second-class analog beamforming vectors
  • the K The second type of analog beamforming vectors are respectively the second type of analog beamforming vectors corresponding to the K second type antenna port groups.
  • the K1 first type sub-signals are a subset of the M first-class sub-signals, and the K1 is a positive integer not greater than the M and not greater than the K.
  • the measurements for the M first-class sub-signals are respectively used to determine M first measurement values
  • the K1 first-class sub-signals are the M first A first type of sub-signal of the sub-signal corresponding to the largest K1 first measured values of the M first measured values.
  • the measurements for the M first class sub-signals are used to determine M reference vectors, respectively, the K1 reference vectors being a subset of the M reference vectors.
  • the K1 reference vectors being a subset of the M reference vectors.
  • Any one of the M reference vectors belongs to an antenna virtualization vector set, and the antenna virtualization vector set includes a positive integer number of antenna virtualization vectors.
  • the given first class is when the reception quality of the given first type of sub-signal is higher than the reception of the given first type of sub-signal with other antenna virtualization vectors in the set of antenna virtualization vectors The reception quality of the sub-signal.
  • the receiving quality is a CQI (Channel Quality Indicator).
  • the reception quality is RSRP (Reference Signal Received Power).
  • the receiving quality is RSRQ (Reference Signal Received Quality).
  • any one of the M first measurement values is a reception quality obtained when the corresponding first type sub-signal is received by the corresponding reference vector.
  • the K1 is equal to the K
  • the K second type analog beamforming vectors are respectively equal to the K1 reference vectors.
  • the K1 is smaller than the K, and K1 second type analog beamforming vectors in the K second type analog beamforming vectors are respectively equal to the K1 reference vectors. .
  • the second type of reference signal includes K second type of sub-signals, and the K second type of sub-signals are respectively used by the K second type of antennas in the K second sub-resources
  • the port group is sent.
  • the method comprises:
  • the measurement for the first type of reference signal is used to determine the first information; the first information is used to determine whether the K second type antenna port groups need to be updated; The first information in the first downlink information is used to determine a third air interface resource, where the first information is sent in the third air interface resource; the first node Is a user device.
  • the foregoing method is advantageous in that, by using channel reciprocity, the K second type antenna port groups need to be updated in time by measuring the first type of reference signals, and the first Transmitting the information to the sender of the first downlink information, so that the sender of the first downlink information can timely adjust the configuration of the second type of reference signal, ensuring that the second The reliability of the channel estimation of the class reference signal.
  • the foregoing method has the advantages that the same information unit is used to simultaneously configure the first air interface resource, the second air interface resource, and the third air interface resource, which saves configuration signaling overhead.
  • the first information includes UCI (Uplink Control Information).
  • UCI Uplink Control Information
  • the UCI includes ⁇ HARQ-ACK (Acknowledgement), CSI (Channel State Information), RI (Rank Indicator), CQI (Channel Quality Indicator, At least one of a channel quality indicator, a PMI (Precoding Matrix Indicator), and a CRI (Channel-State Information Reference Signal Resource Indicator).
  • the first information includes an SRI (SRS Resource Indicator).
  • SRI SRS Resource Indicator
  • the first information includes a first parameter, and when the first parameter is equal to the first value, the K second type antenna port groups do not need to be updated; the first parameter is not equal to the first parameter. When a value is reached, the K second type antenna port groups need to be updated.
  • the first parameter and the first value are respectively non-negative integers.
  • the K second type antenna port groups do not need to be updated; when the first parameter is equal to 1, the K second type antennas The port group needs to be updated.
  • the K second type antenna port groups do not need to be updated; when the first parameter is equal to 0, the K second type antennas The port group needs to be updated.
  • the first information is transmitted on an uplink physical layer control channel (ie, an uplink channel that can only be used to carry physical layer signaling).
  • an uplink physical layer control channel ie, an uplink channel that can only be used to carry physical layer signaling.
  • the uplink physical layer control channel is a PUCCH (Physical Uplink Control CHannel).
  • the uplink physical layer control channel is sPUCCH (short PUCCH).
  • the uplink physical layer control channel is an NR-PUCCH (New Radio PUCCH).
  • the first information is transmitted on an uplink physical layer data channel (ie, an uplink channel that can be used to carry physical layer data).
  • an uplink physical layer data channel ie, an uplink channel that can be used to carry physical layer data.
  • the uplink physical layer data channel is a PUSCH (Physical Uplink Shared CHannel).
  • the uplink physical layer data channel is sPUSCH (short PUSCH).
  • the uplink physical layer data channel is an NR-PUSCH (New Radio PUSCH).
  • measurements for the first type of reference signal are used to determine K1 reference vectors.
  • the first information is used to determine that the K second type antenna port groups need to be updated; otherwise, the first information is used to determine the K second classes.
  • the antenna port group does not need to be updated.
  • the third air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the third air interface resource is multiple occurrences in the time domain, and the time interval between any two adjacent occurrences of the third air interface resource in the time domain is equal.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated.
  • the benefit of the described embodiment is that the overhead of configuration signaling is saved.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the time domain resource occupied by the air interface resource and the time domain resource occupied by the third air interface resource configured by the given information unit are associated.
  • the given information element is any one of the information units.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the time interval between any two adjacent occurrences of the air interface resource in the time domain and the time interval between any adjacent two occurrences of the third air interface resource configured by the given information unit in the time domain are equal of.
  • the given information element is any one of the information units.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the time interval between any two adjacent occurrences of the air interface resource in the time domain is positive of the time interval between any two adjacent occurrences of the third air interface resource configured by the given information unit in the time domain.
  • the given information element is any one of the information units.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated with: the third configured by a given information unit.
  • the time interval between any two adjacent occurrences of the air interface resource in the time domain is positive of the time interval between any adjacent two occurrences of the first air interface resource configured by the given information unit in the time domain. Integer multiple.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated with each other: the first configured by a given information unit
  • the frequency domain resource occupied by the air interface resource and the frequency domain resource occupied by the third air interface resource configured by the given information unit are associated.
  • the given information element is any one of the information units.
  • the third air interface resource is a single occurrence in the time domain.
  • the first downlink information includes a fifth domain, and the fifth domain in the first downlink information is used to determine a fourth air interface resource, where the first node is in the fourth A third type of reference signal is received in the air interface resource, and the measurement for the first type of reference signal and the measurement for the third type of reference signal are used to determine the first information.
  • the fourth air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the third type of reference signal includes ⁇ ZP (Zero Power) CSI-RS, NZP (Non Zero Power) CSI-RS, DMRS (DeModulation Reference Signals) , demodulation reference signal) ⁇ one or more.
  • the fifth domain in the first downlink information is a csi-IM-ConfigId-r11 field, and the first downlink information is a CSI-Process IE.
  • the method comprises:
  • the measurement for the first type of reference signal is used to at least one of ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ , the first node is a base station and the operation is Sending; or the first information is used to trigger the fourth downlink information, the first node is a user equipment and the operation is receiving; the fourth downlink information is used to reconfigure the first air interface At least the latter of the resource and the second air interface resource.
  • the foregoing method has the following advantages: when the K second type antenna port groups need to be updated through the measurement of the first type reference signal or the first information, the fourth is sent in time. Downlink information is used to update the configuration of the second type of reference information to ensure reliability of channel estimation based on the second type of reference information.
  • the fourth downlink information is carried by high layer signaling.
  • the fourth downlink information is carried by RRC signaling.
  • the fourth downlink information is one of the information units.
  • the first downlink information and the fourth downlink information include a fourth domain, and the value of the fourth domain and the fourth downlink information in the first downlink information.
  • the values of the fourth field are equal.
  • the fourth domain is a csi-ProcessId-r11 domain.
  • the fourth downlink information is an IE.
  • the first downlink information and the fourth downlink information are both CSI-Process IEs.
  • the fourth downlink information includes all fields in the CSI-Process IE.
  • the measuring for the first type of reference signal is used to generate the fourth downlink information, meaning that the measurement for the first type of reference signal is used to determine the K, the fourth The downlink information indicates the K.
  • the fourth downlink information implicitly indicates the K.
  • the fourth downlink information explicitly indicates the K.
  • the measuring for the first type of reference signal is used to generate the fourth downlink information, that is: the measurement for the first type of reference signal is used to determine the K second type antennas The port group, the fourth downlink information indicates the K second type antenna port groups.
  • the fourth downlink information implicitly indicates the K second type antenna port groups.
  • the fourth downlink information explicitly indicates the K second type antenna port groups.
  • measurements for the first type of reference signal are used to determine K1 reference vectors.
  • the sending of the fourth downlink information is triggered; otherwise, the sending of the fourth downlink information is not triggered.
  • the K1 is a positive integer not greater than the K.
  • the K1 is used to determine the K.
  • the K1 reference vectors are used to determine the K second type antenna port groups.
  • the sending of the fourth downlink information is triggered, and the first information is used to determine that the K second type antenna port groups need to be updated.
  • the sending of the fourth downlink information is not triggered, and the first information is used to determine that the K second type antenna port groups do not need to be updated.
  • the fourth downlink information is used to reconfigure the second air interface resource.
  • the fourth downlink information is used to reconfigure ⁇ the first air interface resource, the second air interface resource ⁇ .
  • the fourth downlink information is further used to reconfigure the third air interface resource.
  • the first type of reference signal is a channel state information reference signal
  • the second type of reference signal is a sounding reference signal
  • the first node is a user equipment.
  • the channel state information reference signal is a CSI-RS.
  • the sounding reference signal is an SRS.
  • the first type of reference signal is a sounding reference signal
  • the second type of reference signal is a channel state information reference signal
  • the first node is a base station.
  • the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is used to identify a corresponding one of the first downlink information.
  • the information unit is a fourth domain, and the fourth domain in the first downlink information is used to identify a corresponding one of the first downlink information.
  • the value of the fourth domain in the first downlink information is equal to the value of the fourth domain in the fourth downlink information, the first downlink information and the first The four downlink information are all the information units.
  • the fourth domain is a csi-ProcessId-r11 domain
  • the information element is a CSI-Process IE.
  • the value of the fourth field is a non-negative integer.
  • the present application discloses a method for use in a second node for multi-antenna transmission, including:
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the sender of the first type of reference signal is the second node, the target receiver of the second type of reference signal comprises the second node; for the first type of reference
  • the measurement of the signal is used to generate the second type of reference signal;
  • the second node is a base station and the execution is a transmission, or the second node is a user equipment and the execution is reception.
  • the information element is an IE.
  • the information element is a CSI-Process IE.
  • the first domain is a csi-RS-ConfigNZPId-r11 field.
  • the second domain is a csi-RS-ConfigNZPId-r11 field.
  • the first air interface resource includes a CSI-RS resource
  • the second node is a base station.
  • the first air interface resource includes an SRS resource
  • the second node is a user equipment
  • the second air interface resource includes an SRS resource
  • the second node is a base station.
  • the second air interface resource includes a CSI-RS resource
  • the second node is a user equipment.
  • the first type of reference signal comprises a CSI-RS and the second node is a base station.
  • the second type of reference signal comprises an SRS and the second node is a base station.
  • the first type of reference signal comprises an SRS and the second node is a user equipment.
  • the second type of reference signal comprises a CSI-RS
  • the second node is a user equipment.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated.
  • the method comprises:
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively determined.
  • the first domain in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type of air interface resources.
  • the first type of identifier corresponding to the first air interface resource in the Q1 first type identifier is the first identifier; the Q2 third downlink information is used to determine Q2 second type air interface resources and Q2, respectively.
  • the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence, and the second domain in the first downlink information is used to determine the second identifier
  • the second air interface resource is a second type of air interface resource of the Q2 second type air interface resource
  • the second type identifier corresponding to the second air interface resource in the Q2 second type identifier is the a second identifier
  • the Q1 and the Q2 are positive integers, respectively
  • the second node is a base station and the performing Transmitting, or the second node is a user equipment and the execution is received.
  • the second downlink information is an IE.
  • the second downlink information is a CSI-RS-Config IE
  • the second node is a base station.
  • the second downlink information is a SoundingRS-UL-Config IE
  • the second node is a user equipment.
  • the third downlink information is an IE.
  • the third downlink information is a SoundingRS-UL-Config IE
  • the second node is a base station.
  • the third downlink information is a CSI-RS-Config IE
  • the second node is a user equipment.
  • the method comprises:
  • the downlink signaling is used to trigger transmission of at least one of the first type of reference signal and the second type of reference signal; the second node is a base station and the execution is a transmission, or the The second node is a user equipment and the execution is reception.
  • the method comprises:
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-class antenna port groups in the M first sub-resources;
  • the second air interface The resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-type antenna port groups in the K second sub-resources;
  • Any of the first type of antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups includes a positive integer number of second type antenna ports, M and the K are positive integers, respectively.
  • measurements for the first type of reference signal are used to determine the K second type of antenna port groups.
  • any given first type of antenna port of the positive integer number of antenna ports is formed by superposition of multiple first type antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of a type of antenna to any given first type of antenna port constitute a first type of beamforming vector corresponding to any given first type of antenna port.
  • a first type of beamforming vector is composed of a first type of analog beamforming vector and a Kronecker product of a first type of digital beamforming vector.
  • the plurality of first type antennas are antennas configured by the second node.
  • any one of the positive integer second type antenna ports is formed by superposing multiple second antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of the second type of antenna to any given second type of antenna port constitute a second type of beamforming vector corresponding to any given second type of antenna port.
  • a second type of beamforming vector is composed of a second type of analog beamforming vector and a second class of digital beamforming vector Kronecker product.
  • the plurality of second type antennas are antennas configured by senders of the second type of reference signals.
  • the method comprises:
  • the measurement for the first type of reference signal is used to determine the first information; the first information is used to determine whether the K second type antenna port groups need to be updated;
  • the row information includes a third domain, where the third domain in the first downlink information is used to determine a third air interface resource, where the first information is sent in the third air interface resource; It is a base station.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated.
  • the method comprises:
  • the measurement for the first type of reference signal is used to at least one of ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ , the second node is a user equipment and the performing Is receiving; or the first information is used to trigger the fourth downlink information, the second node is a base station and the execution is sending; the fourth downlink information is used to reconfigure the first air interface At least the latter of the resource and the second air interface resource.
  • the fourth downlink information is one of the information units.
  • the fourth domain is a csi-ProcessId-r11 domain.
  • the first downlink information and the fourth downlink information are both CSI-Process IEs.
  • the first type of reference signal is a channel state information reference signal
  • the second type of reference signal is a sounding reference signal
  • the second node is a base station
  • the first type of reference signal is a sounding reference signal
  • the second type of reference signal is a channel state information reference signal
  • the second node is a user equipment
  • the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is used to identify a corresponding one of the first downlink information.
  • the information unit is a fourth domain, and the fourth domain in the first downlink information is used to identify a corresponding one of the first downlink information.
  • the value of the fourth domain in the first downlink information is equal to the value of the fourth domain in the fourth downlink information, the first downlink information and the first The four downlink information are all the information units.
  • the present application discloses a device in a first node that is used for multi-antenna transmission, including:
  • a first processing module operating the first downlink information
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the target receiver of the first type of reference signal includes the first node, the sender of the second type of reference signal is the first node; for the first type of reference
  • the measurement of the signal is used to generate the second type of reference signal;
  • the first node is a user equipment and the operation is reception, or the first node is a base station and the operation is a transmission.
  • the device in the first node used for multi-antenna transmission is characterized in that the first processing module further operates Q1 second downlink information and Q2 third downlink information.
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively determined.
  • the first domain in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type of air interface resources.
  • the first type identifier corresponding to the first air interface resource in the first type identifier of the Q1 is the first identifier.
  • the Q2 third downlink information is used to determine the Q2 second type air interface resources and the Q2 second type identifiers, where the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence.
  • the second field in the first downlink information is used to determine a second identifier, where the second air interface resource is a second type of air interface resource of the Q2 second type air interface resources, the Q2 The second type of identifier corresponding to the second air interface resource in the second type of identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the first node is a user equipment and the operation is receiving; or the first node is a base station and the operation is a transmission.
  • the device in the first node used for multi-antenna transmission is characterized in that the first processing module further operates downlink signaling.
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal.
  • the first node is a user equipment and the operation is receiving; or the first node is a base station and the operation is a transmission.
  • the device in the first node used for multi-antenna transmission is characterized in that the first type reference signal is a channel state information reference signal, and the second type reference signal is a sounding reference signal.
  • the first node is a user equipment.
  • the device in the first node used for multi-antenna transmission is characterized in that the first type of reference signal is a sounding reference signal, and the second type of reference signal is a channel state information reference signal.
  • the first node is a base station.
  • the device in the first node used for multi-antenna transmission is characterized in that the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is And the identifier is used to identify the information unit corresponding to the first downlink information.
  • the device in the first node used for multi-antenna transmission is characterized in that it comprises:
  • the second processing module receives the first type of reference signal in the first air interface resource
  • the third processing module sends the second type of reference signal in the second air interface resource
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-class antenna port groups in the K second sub-resources.
  • Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the device in the first node used for multi-antenna transmission is characterized in that the second processing module further transmits the first information.
  • the measurement for the first type of reference signal is used to determine the first information.
  • the first information is used to determine whether the K second type antenna port groups need to be updated.
  • the first downlink information includes a third domain, where the third domain in the first downlink information is used to determine a third air interface resource, where the first information is sent in the third air interface resource.
  • the first node is a user equipment.
  • the device in the first node used for multi-antenna transmission is characterized in that the third processing module is further configured to operate the fourth downlink information.
  • the measurement for the first type of reference signal is used to at least one of ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ , the first node is a base station and the operation is Transmitting; or the first information is used to trigger the fourth downlink information, the first node is a user equipment and the operation is reception.
  • the fourth downlink information is used to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • the present application discloses an apparatus in a second node that is used for multi-antenna transmission, including:
  • the fourth processing module executes the first downlink information
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the sender of the first type of reference signal is the second node, the target receiver of the second type of reference signal comprises the second node; for the first type of reference
  • the measurement of the signal is used to generate the second type of reference signal;
  • the second node is a base station and the execution is a transmission, or the second node is a user equipment and the execution is reception.
  • the device in the second node used for multi-antenna transmission is characterized in that the fourth processing module further performs Q1 second downlink information and Q2 third downlink information.
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively determined.
  • the first domain in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type of air interface resources.
  • the first type identifier corresponding to the first air interface resource in the first type identifier of the Q1 is the first identifier.
  • the Q2 third downlink information is used to determine the Q2 second type air interface resources and the Q2 second type identifiers, where the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence.
  • the second field in the first downlink information is used to determine a second identifier, where the second air interface resource is a second type of air interface resource of the Q2 second type air interface resources, the Q2 The second type of identifier corresponding to the second air interface resource in the second type of identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the second node is a base station and the execution is a transmission; or the second node is a user equipment and the execution is reception.
  • the device in the second node used for multi-antenna transmission is characterized in that the fourth processing module further performs downlink signaling.
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal.
  • the second node is a base station and the execution is a transmission; or the second node is a user equipment and the execution is reception.
  • the device in the second node used for multi-antenna transmission is characterized in that the first type reference signal is a channel state information reference signal, and the second type reference signal is a sounding reference signal.
  • the second node is a base station.
  • the device in the second node used for multi-antenna transmission is characterized in that the first type reference signal is a sounding reference signal, and the second type reference signal is a channel state information reference signal.
  • the second node is a user equipment.
  • the device in the second node used for multi-antenna transmission is characterized in that the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is And the identifier is used to identify the information unit corresponding to the first downlink information.
  • the device in the second node used for multi-antenna transmission is characterized in that it comprises:
  • the fifth processing module sends the first type reference signal in the first air interface resource
  • the sixth processing module receives the second type of reference signal in the second air interface resource
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-class antenna port groups in the M first sub-resources;
  • the second air interface The resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-type antenna port groups in the K second sub-resources;
  • Any of the first type of antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups includes a positive integer number of second type antenna ports, M and the K are positive integers, respectively.
  • the device in the second node used for multi-antenna transmission is characterized in that the fifth processing module further receives the first information.
  • the measurement for the first type of reference signal is used to determine the first information.
  • the first information is used to determine whether the K second type antenna port groups need to be updated.
  • the first downlink information includes a third domain, where the third domain in the first downlink information is used to determine a third air interface resource, where the first information is sent in the third air interface resource.
  • the second node is a base station.
  • the device in the second node used for multi-antenna transmission is characterized in that the sixth processing module further performs fourth downlink information.
  • the measurement for the first type of reference signal is used to at least one of ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ , the second node is a user equipment and the performing Is receiving; or the first information is used to trigger the fourth downlink information, the second node is a base station and the execution is a transmission.
  • the fourth downlink information is used to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • the present application has the following advantages compared with the conventional solution:
  • channel reciprocity By establishing an association between the uplink and downlink reference signals, channel reciprocity can be utilized, and the transmit beamforming direction of the up/down reference signal is determined according to the measurement of the lower/uplink reference signal, and the uplink/downlink reference signal is reduced. s expenses.
  • the same information element is also used to configure a feedback channel.
  • the feedback can be passed. The channel feeds this information back to the base station in time for the base station to process accordingly.
  • the configuration of the downlink/uplink reference signal can be updated in time to ensure reliable downlink/uplink channel estimation. Sex.
  • FIG. 1 shows a flow chart of wireless transmission in accordance with one embodiment of the present application
  • FIG. 2 shows a flow chart of wireless transmission in accordance with another embodiment of the present application.
  • FIG. 3 is a schematic diagram showing the content of first downlink information according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram showing a relationship between ⁇ first downlink information, Q1 second downlink information, and Q2 third downlink information ⁇ according to an embodiment of the present application;
  • FIG. 5 is a schematic diagram showing a relationship between first downlink information and fourth downlink information according to an embodiment of the present application
  • FIG. 6 shows a schematic diagram of how a second type of reference signal is generated from measurements for a first type of reference signal, in accordance with an embodiment of the present application
  • FIG. 7 is a schematic diagram showing a relationship between a first air interface resource and a third air interface resource in a time domain according to an embodiment of the present application
  • FIG. 8 is a block diagram showing the structure of a processing device used in a first node according to an embodiment of the present application.
  • FIG. 9 is a block diagram showing the structure of a processing device for use in a second node in accordance with one embodiment of the present application.
  • FIG. 10 is a block diagram showing the structure of a processing device used in a first node according to another embodiment of the present application.
  • FIG. 11 is a block diagram showing the structure of a processing device for use in a second node in accordance with another embodiment of the present application.
  • FIG. 12 shows a flowchart of first downlink information according to an embodiment of the present application
  • Figure 13 shows a schematic diagram of a network architecture in accordance with one embodiment of the present application.
  • FIG. 14 shows a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane in accordance with one embodiment of the present application
  • FIG. 15 shows a schematic diagram of an NR (New Radio) node and a UE according to an embodiment of the present application.
  • NR New Radio
  • Embodiment 1 illustrates a flow chart of wireless transmission, as shown in FIG.
  • base station N1 is a serving cell maintenance base station of user equipment U2.
  • the steps in blocks F1 through F7 are optional, respectively.
  • Q1 second downlink information is transmitted in step S101; Q2 third downlink information is transmitted in step S102; first downlink information is transmitted in step S11; downlink signaling is transmitted in step S103; Transmitting the first type of reference signal in the first air interface resource; receiving the second type of reference signal in the second air interface resource in step S105; receiving the first information in step S106; and transmitting the fourth downlink information in step S107.
  • Q1 second downlink information is received in step S201; Q2 third downlink information is received in step S202; first downlink information is received in step S21; downlink signaling is received in step S203; Receiving the first type of reference signal in the first air interface resource; transmitting the second type of reference signal in the second air interface resource in step S205; transmitting the first information in step S206; and receiving the fourth downlink information in step S207.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is
  • the U2 is used to determine the first air interface resource, and the second field in the first downlink information is used by the U2 to determine the second air interface resource.
  • the first air interface resource is reserved for the first type of reference signal, and the second air interface resource is reserved for the second type of reference signal.
  • the sender of the first type of reference signal is the N1
  • the target receiver of the first type of reference signal includes the U2
  • the sender of the second type of reference signal is the U2
  • the second The target recipient of the class reference signal includes the N1.
  • the measurement for the first type of reference signal is used by the U2 to generate the second type of reference signal.
  • the Q1 second downlink information is used by the U2 to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively Correspondingly, the first domain in the first downlink information is used by the U2 to determine a first identifier, where the first air interface resource is a first class of the Q1 first type air interface resources.
  • the air interface resource, the first type identifier corresponding to the first air interface resource in the Q1 first type identifier is the first identifier.
  • the Q2 third downlink information is used by the U2 to determine Q2 second type air interface resources and Q2 second type identifiers, and the Q2 second type identifiers and the Q2 second type air interface resources are respectively Correspondingly, the second domain in the first downlink information is used by the U2 to determine a second identifier, where the second air interface resource is a second class of the Q2 second type air interface resources.
  • the air interface resource, the second type identifier corresponding to the second air interface resource in the Q2 second type identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the downlink signaling is used to trigger transmission of at least one of the first type of reference signal and the second type of reference signal.
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-class antenna port groups in the K second sub-resources. Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the measurement for the first type of reference signal is used by the U2 to determine the first information.
  • the first information is used by the N1 to determine whether the K second type antenna port groups need to be updated.
  • the first downlink information includes a third domain, and the third domain in the first downlink information is used by the U2 to determine a third air interface resource, where the first information is in the third air interface resource. Sent in.
  • the first information is used to trigger the fourth downlink information, and the fourth downlink information is used by the N1 to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • the first downlink information is carried by high layer signaling.
  • the first downlink information is carried by RRC signaling.
  • the information element is an IE.
  • the information element is a CSI-Process IE.
  • the first domain is a csi-RS-ConfigNZPId-r11 field.
  • the first air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the first air interface resource includes a CSI-RS resource.
  • the second air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the second air interface resource includes an SRS resource.
  • the first type of reference signal is a channel state information reference signal
  • the second type of reference signal is a sounding reference signal
  • the channel state information reference signal is a CSI-RS.
  • the sounding reference signal is an SRS.
  • the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is used to identify the information unit corresponding to the first downlink information.
  • the fourth domain is a csi-ProcessId-r11 domain.
  • the first air interface resource is multiple occurrences in the time domain, and the time interval between any two adjacent occurrences of the first air interface resource in the time domain is equal.
  • the first air interface resource is a single occurrence in the time domain.
  • the second air interface resource is multiple occurrences in the time domain, and the time interval between any two adjacent occurrences of the second air interface resource in the time domain is equal.
  • the second air interface resource is a single occurrence in the time domain.
  • the first air interface resource and the second air interface resource configured by the same information unit are associated.
  • the second downlink information is carried by high layer signaling.
  • the second downlink information is carried by RRC signaling.
  • the third downlink information is carried by high layer signaling.
  • the third downlink information is carried by RRC signaling.
  • the second downlink information is an IE.
  • the second downlink information is a CSI-RS-Config IE.
  • the third downlink information is an IE.
  • the third downlink information is a SoundingRS-UL-Config IE.
  • the downlink signaling is MAC CE signaling.
  • the downlink signaling is physical layer signaling.
  • the measurement for the first type of reference signal is used by the U2 to determine the K second type of antenna port groups.
  • any given first type of antenna port of the positive integer number of antenna ports is formed by superposition of multiple first type antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of a type of antenna to any given first type of antenna port constitute a first type of beamforming vector corresponding to any given first type of antenna port.
  • a first type of beamforming vector is composed of a first type of analog beamforming vector and a Kronecker product of a first type of digital beamforming vector.
  • the plurality of first type antennas are antennas configured by the N1.
  • any one of the positive integer second type antenna ports is formed by superposing multiple second antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of the second type of antenna to any given second type of antenna port constitute a second type of beamforming vector corresponding to any given second type of antenna port.
  • a second type of beamforming vector is composed of a second type of analog beamforming vector and a second class of digital beamforming vector Kronecker product.
  • the plurality of second type antennas are antennas configured by the U2.
  • the first information includes UCI.
  • the UCI includes at least one of ⁇ HARQ-ACK, CSI, RI, CQI, PMI, CRI ⁇ .
  • the first information includes a first parameter, and when the first parameter is equal to the first value, the K second type antenna port groups do not need to be updated; the first parameter is not equal to the first parameter. When a value is reached, the K second type antenna port groups need to be updated.
  • the first parameter and the first value are respectively non-negative integers.
  • the measurement for the first type of reference signal is used by the U2 to determine the K second type of antenna port groups.
  • the first information indicates that the K second type antenna port groups need to be updated; otherwise, the first information indicates the K second classes The antenna port group does not need to be updated.
  • the measurement for the first type of reference signal is used by the U2 to determine K1 reference vectors.
  • the first information indicates that the K second type antenna port groups need to be updated; otherwise, the first information indicates that the K second type antenna port groups do not need to be updated. .
  • the third air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the third air interface resource is multiple occurrences in the time domain, and the time interval between any two adjacent occurrences of the third air interface resource in the time domain is equal.
  • the third air interface resource is a single occurrence in the time domain.
  • the first air interface resource and the third air interface resource configured by the same information unit are associated.
  • the fourth downlink information is carried by high layer signaling.
  • the fourth downlink information is carried by RRC signaling.
  • the fourth downlink information is one of the information units.
  • the first downlink information and the fourth downlink information include a fourth domain, and the value of the fourth domain and the fourth downlink information in the first downlink information.
  • the values of the fourth field are equal.
  • the first downlink information and the fourth downlink information are both CSI-Process IEs.
  • the sending of the fourth downlink information is triggered, and the first information indicates that the K second type antenna port groups need to be updated.
  • the sending of the fourth downlink information is not triggered, and the first information indicates that the K second type antenna port groups do not need to be updated.
  • blocks F1 to F7 in Fig. 1 are present.
  • block F1, block F2, block F4 and block F5 of Figure 1 are present, and block F3, block F6 and block F7 are not present.
  • blocks F1 through F5 in Figure 1 are present, and neither block F6 nor block F7 exists.
  • block F1, block F2, block F4, block F5 and block F6 in Figure 1 are present, and neither block F3 nor block F7 exists.
  • block F1, block F2, block F4, block F5, block F6 and block F7 in Figure 1 are present, and block F3 does not exist.
  • Embodiment 2 illustrates a flow chart of wireless transmission, as shown in FIG.
  • base station N3 is a serving cell maintenance base station of user equipment U4.
  • the steps in blocks F8 through F13 are optional, respectively.
  • Q1 second downlink information is transmitted in step S301; Q2 third downlink information is transmitted in step S302; first downlink information is transmitted in step S31; downlink signaling is transmitted in step S303; Receiving the first type of reference signal in the first air interface resource; transmitting the second type of reference signal in the second air interface resource in step S305; and transmitting the fourth downlink information in step S306.
  • Q1 second downlink information is received in step S401; Q2 third downlink information is received in step S402; first downlink information is received in step S41; downlink signaling is received in step S403; Transmitting the first type of reference signal in the first air interface resource; receiving the second type of reference signal in the second air interface resource in step S405; and receiving the fourth downlink information in step S406.
  • the first downlink information is an information unit
  • the first downlink information includes a first domain and a second domain
  • the first domain in the first downlink information is
  • the U4 is used to determine the first air interface resource
  • the second field in the first downlink information is used by the U4 to determine the second air interface resource.
  • the first air interface resource is reserved for the first type of reference signal
  • the second air interface resource is reserved for the second type of reference signal.
  • the sender of the first type of reference signal is the U4
  • the target receiver of the first type of reference signal includes the N3
  • the sender of the second type of reference signal is the N3,
  • the second The target recipient of the class reference signal includes the U4.
  • the measurement for the first type of reference signal is used by the N3 to generate the second type of reference signal.
  • the Q1 second downlink information is used by the U4 to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively Correspondingly, the first domain in the first downlink information is used by the U4 to determine a first identifier, where the first air interface resource is a first class of the Q1 first type air interface resources.
  • the air interface resource, the first type identifier corresponding to the first air interface resource in the Q1 first type identifier is the first identifier.
  • the Q2 third downlink information is used by the U4 to determine Q2 second type air interface resources and Q2 second type identifiers, and the Q2 second type identifiers and the Q2 second type air interface resources are respectively Correspondingly, the second domain in the first downlink information is used by the U4 to determine a second identifier, where the second air interface resource is a second class of the Q2 second type air interface resources.
  • the air interface resource, the second type identifier corresponding to the second air interface resource in the Q2 second type identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the downlink signaling is used to trigger transmission of at least one of the first type of reference signal and the second type of reference signal.
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-class antenna port groups in the K second sub-resources. Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the measurement for the first type of reference signal is used by the N3 to ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ .
  • the fourth downlink information is used by the N3 to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • the first type of reference signal is a sounding reference signal and the second type of reference signal is a channel state information reference signal.
  • the first air interface resource includes an SRS resource.
  • the second air interface resource includes a CSI-RS resource.
  • the second domain is a csi-RS-ConfigNZPId-r11 field.
  • the second downlink information is a SoundingRS-UL-Config IE.
  • the third downlink information is a CSI-RS-Config IE.
  • any given first type of antenna port of the positive integer number of antenna ports is formed by superposition of multiple first type antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of a type of antenna to any given first type of antenna port constitute a first type of beamforming vector corresponding to any given first type of antenna port.
  • a first type of beamforming vector is composed of a first type of analog beamforming vector and a Kronecker product of a first type of digital beamforming vector.
  • the plurality of first type antennas are antennas configured by the U4.
  • any one of the positive integer second type antenna ports is formed by superposing multiple second antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of the second type of antenna to any given second type of antenna port constitute a second type of beamforming vector corresponding to any given second type of antenna port.
  • a second type of beamforming vector is composed of a second type of analog beamforming vector and a second class of digital beamforming vector Kronecker product.
  • the plurality of second type antennas are antennas configured by the N3.
  • the measuring of the first type of reference signal by the N3 for generating the fourth downlink information means that the measurement for the first type of reference signal is used by the N3 to determine the K, the fourth downlink information indicates the K.
  • the measuring of the first type of reference signal by the N3 for generating the fourth downlink information means that the measurement for the first type of reference signal is used by the N3 to determine the K second type antenna port groups, the fourth downlink information indicating the K second type antenna port groups.
  • the measurement for the first type of reference signal is used by the N3 to determine the K second type of antenna port groups.
  • the sending of the fourth downlink information is triggered; otherwise, the sending of the fourth downlink information is not triggered.
  • the measurement for the first type of reference signal is used by the N3 to determine K1 reference vectors.
  • the K1 reference vectors change, the sending of the fourth downlink information is triggered; otherwise, the sending of the fourth downlink information is not triggered.
  • the K1 is a positive integer not greater than the K.
  • the K1 is used to determine the K.
  • the K1 reference vectors are used to determine the K second type antenna port groups.
  • blocks F8 through F13 in Figure 2 are present.
  • block F8 block F9, block F11 and block F12 of Figure 2 are present, and neither block F10 nor block F13 exists.
  • blocks F8 through F12 of Figure 2 are present and block F13 is not present.
  • block F8, block F9, block F10, block F11 and block F1 in Figure 2 are all present, and block F12 is not present.
  • block F8 block F9, block F11 and block F13 of Figure 2 are present, and neither block F10 nor block F12 exists.
  • Embodiment 3 illustrates a schematic diagram of the contents of the first downlink information, as shown in FIG.
  • the first downlink information is an information unit, and the first downlink information includes a first domain, a second domain, a third domain, and a fourth domain.
  • the first domain in the first downlink information is used to determine a first air interface resource
  • the second domain in the first downlink information is used to determine a second air interface resource, where the first
  • the third field in the downlink information is used to determine a third air interface resource
  • the fourth field in the first downlink information is used to identify the information unit corresponding to the first downlink information.
  • the first air interface resource is reserved for the first type of reference signal in the application
  • the second air interface resource is reserved for the second type of reference signal in the application.
  • the first information in the application is sent in the third air interface resource.
  • the information element is an IE.
  • the information element is a CSI-Process IE.
  • the first downlink information is a CSI-Process IE.
  • the first downlink information includes all fields in the CSI-Process IE.
  • the first domain is a csi-RS-ConfigNZPId-r11 field.
  • the second domain is a csi-RS-ConfigNZPId-r11 field.
  • the fourth domain is a csi-ProcessId-r11 field.
  • the first downlink information includes a fifth domain, and the fifth domain in the first downlink information is used to determine a fourth air interface resource, where the first node in the application is A third type of reference signal is received in the fourth air interface resource, and the measurement for the first type of reference signal and the measurement for the third type of reference signal are used to determine the first information.
  • the fourth air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the third type of reference signal includes one or more of ⁇ ZP CSI-RS, NZP CSI-RS, DMRS ⁇ .
  • the fifth domain is a csi-IM-ConfigId-r11 field.
  • Embodiment 4 exemplifies a relationship between ⁇ first downlink information, Q1 second downlink information, Q2 third downlink information ⁇ , as shown in FIG.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used.
  • the second field in the first downlink information is used to determine the second air interface resource.
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are in one-to-one correspondence.
  • the first field in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type air interface resources, and the Q1 is The first type of identifier corresponding to the first air interface resource in the first type of identifier is the first identifier.
  • the Q2 third downlink information is used to determine the Q2 second type air interface resources and the Q2 second type identifiers, where the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence.
  • the second field in the first downlink information is used to determine a second identifier, where the second air interface resource is a second type of air interface resource of the Q2 second type air interface resources, the Q2
  • the second type of identifier corresponding to the second air interface resource in the second type of identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the Q1 second downlink information, the indexes of the Q1 first type air interface resources and the Q1 first type identifiers are # ⁇ 0, 1, ..., Q1-1 ⁇ ;
  • the Q2 third downlink information, the indexes of the Q2 second type air interface resources and the Q2 second type identifiers are # ⁇ 0, 1, ..., Q2-1 ⁇ , respectively.
  • the value of the first type of identifier #x is equal to the first identifier
  • the first air interface resource is the first type of air interface resource #x, where x is a non-negative integer smaller than the Q1.
  • the value of the second type of identifier #y is equal to the second identifier
  • the second air interface resource is the second type of air interface resource #y, where y is a non-negative integer smaller than the Q2.
  • the second downlink information is an IE.
  • the second downlink information is a CSI-RS-Config IE, where the first node in the application is a user equipment, and the second node in the application is a base station.
  • the second downlink information is a SoundingRS-UL-Config IE
  • the first node is a base station
  • the second node is a user equipment.
  • the third downlink information is an IE.
  • the third downlink information is a SoundingRS-UL-Config IE
  • the first node is a user equipment
  • the second node is a base station.
  • the third downlink information is a CSI-RS-Config IE
  • the first node is a base station
  • the second node is a user equipment.
  • the first domain in the first downlink information indicates the first identifier.
  • the second domain in the first downlink information indicates the second identifier.
  • the Q1 first class identifiers are respectively non-negative integers.
  • the Q2 second class identifiers are respectively non-negative integers.
  • the first identification is a non-negative integer.
  • the second identity is a non-negative integer.
  • Embodiment 5 exemplifies a relationship between the first downlink information and the fourth downlink information, as shown in FIG.
  • the first downlink information and the fourth downlink information are respectively an information unit, and the first downlink information and the fourth downlink information respectively include a first domain, a second domain, and The fourth domain.
  • the first domain in the first downlink information is used to determine a first air interface resource
  • the first domain in the fourth downlink information is used to reconfigure the first air interface resource.
  • the second domain in the first downlink information is used to determine a second air interface resource
  • the second domain in the fourth downlink information is used to reconfigure the second air interface resource.
  • the fourth field in the first downlink information is used to identify the information unit corresponding to the first downlink information
  • the fourth field in the fourth downlink information is used to identify the The information unit corresponding to the fourth downlink information.
  • the value of the fourth domain in the first downlink information is equal to the value of the fourth domain in the fourth downlink information.
  • the first downlink information and the fourth downlink information are both CSI-Process IEs.
  • the first domain is a csi-RS-ConfigNZPId-r11 field.
  • the second domain is a csi-RS-ConfigNZPId-r11 field.
  • the fourth domain is a csi-ProcessId-r11 domain.
  • the first domain in the first downlink information is used to determine a first identifier
  • the first domain in the fourth downlink information is used to determine a third identifier
  • the first identifier and the third identifier are respectively a first type identifier of the Q1 first type identifiers in the present application.
  • the first identifier is equal to the third identifier.
  • the first identifier is not equal to the third identifier.
  • the second domain in the first downlink information is used to determine a second identifier
  • the second domain in the fourth downlink information is used to determine a fourth identifier
  • the second identifier and the fourth identifier are respectively a second type identifier of the Q2 second type identifiers in the present application.
  • the second identifier is not equal to the fourth identifier.
  • Embodiment 6 illustrates a schematic diagram of how to generate a second type of reference signal based on measurements for a first type of reference signal, as shown in FIG.
  • the second node in the application sends the first type of reference signal in the first air interface resource, and the first node in the application sends the second in the second air interface resource.
  • Class reference signal The first air interface resource includes M first sub-resources, the first type of reference signal includes M first-type sub-signals, and the M first-class sub-signals are respectively in the M first sub-resources. Transmitted by M first-class antenna port groups.
  • the second air interface resource includes K second sub-resources, the second type of reference signal includes K second-type sub-signals, and the K second-class sub-signals are respectively in the K second sub-resources It is sent by K second type antenna port groups.
  • any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the measurements for the K1 first type of sub-signals are used to determine K1 reference vectors, respectively, which are used to determine the K second-class antenna port groups.
  • the K1 first type sub-signals are a subset of the M first-class sub-signals, and the K1 is a positive integer not greater than the M and not greater than the K.
  • the white filled ellipse of the solid border and the ellipse filled with the diagonal of the solid border collectively represent the first type of reference signal, and the ellipse filled with the diagonal line of the solid line indicates the K1 first type of sub-signals.
  • the ellipse of the dashed border square fill and the ellipse filled by the dashed border dot together represent the second type of reference signal.
  • the measurements for the M first-class sub-signals are respectively used to determine M first measurement values, and the K1 first-class sub-signals are corresponding to the M first-class sub-signals. a first type of sub-signal of the largest K1 first measured values among the M first measured values.
  • the measurements for the M first class sub-signals are used to determine M reference vectors, respectively, the K1 reference vectors being a subset of the M reference vectors. Any one of the M reference vectors belongs to an antenna virtualization vector set, and the antenna virtualization vector set includes a positive integer number of antenna virtualization vectors.
  • the reference vector pairs corresponding to the given first-class sub-signals are neutralized by the M reference vectors.
  • the received quality of the given first type of sub-signal is higher than the other first virtualized vector in the set of antenna virtualization vectors for the given first sub- The received quality of the first type of sub-signal when the signal is received.
  • the reception quality is CQI.
  • the reception quality is RSRP.
  • the reception quality is RSRQ.
  • any one of the M first measurement values is that the first one corresponding to the M first type sub-signals is received by using a corresponding reference vector of the M reference vectors. The quality of reception obtained when a sub-signal is obtained.
  • any given first type of antenna port of the positive integer number of antenna ports is formed by superposition of multiple first type antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of a type of antenna to any given first type of antenna port constitute a first type of beamforming vector corresponding to any given first type of antenna port.
  • a first type of beamforming vector is composed of a first type of analog beamforming vector and a Kronecker product of a first type of digital beamforming vector.
  • the plurality of first type antennas are antennas configured by the second node.
  • different first type antenna ports of any one of the M first type antenna port groups correspond to the same first type of analog beamforming vector.
  • different first type antenna ports of any one of the M first type antenna port groups correspond to different first type digital beamforming vectors.
  • different first antenna port groups of the M first type antenna port groups correspond to different first type analog beamforming vectors.
  • any one of the positive integer second type antenna ports is formed by superposing multiple second antennas through antenna virtualization, the multiple roots
  • the mapping coefficients of the second type of antenna to any given second type of antenna port constitute a second type of beamforming vector corresponding to any given second type of antenna port.
  • a second type of beamforming vector is composed of a second type of analog beamforming vector and a second class of digital beamforming vector Kronecker product.
  • the plurality of second type antennas are antennas configured by the first node.
  • different second antenna ports of any one of the K second type antenna port groups correspond to the same second type of analog beamforming vector.
  • different second type antenna ports of any one of the K second type antenna port groups correspond to different second type digital beamforming vectors.
  • different second antenna port groups of the K second type antenna port groups correspond to different second type analog beamforming vectors.
  • the K1 reference vectors are used to determine K second-type analog beamforming vectors, and the K second-type analog beamforming vectors are respectively the K second-class antenna port groups. Corresponding second type of analog beamforming vector.
  • the K1 is less than or equal to the K
  • K1 second type analog beamforming vectors in the K second type analog beamforming vectors are respectively equal to the K1 reference vectors.
  • the ellipse filled with the dotted frame squares represents the second type of antenna port group obtained by using the K1 reference vectors as the second type of analog beamforming vectors, respectively.
  • the ellipse filled with the dotted border dot indicates the second type corresponding to the second type of analog beamforming vector of the K second type analog beamforming vectors that do not belong to the K1 reference vectors.
  • the ellipse of the dashed border represents the second type of antenna port group obtained by using the antenna virtualization vector in the antenna virtualization vector set as the second type of analog beamforming vector.
  • any one of the K second type analog beamforming vectors is an antenna virtualization vector in the antenna virtualization vector set.
  • the time domain resources occupied by any two of the M first sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two first sub-resources of the M first sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two first sub-resources in the M first sub-resources are the same.
  • the time domain resources occupied by any two of the K second sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two second sub-resources of the K second sub-resources are mutually orthogonal (non-overlapping).
  • the time domain resources occupied by at least two second sub-resources of the K second sub-resources are the same.
  • Embodiment 7 exemplifies a relationship between the first air interface resource, the second air interface resource, and the third air interface resource in the time domain, as shown in FIG. 7.
  • the first air interface resource, the second air interface resource, and the third air interface resource respectively appear multiple times in the time domain.
  • the time interval between any two adjacent occurrences of the first air interface resource in the time domain is equal, and the time interval between any two adjacent occurrences of the second air interface resource in the time domain is equal.
  • the time interval between any two adjacent occurrences of the third air interface resource in the time domain is equal.
  • the first air interface resource, the second air interface resource, and the third air interface resource are configured by the information unit in the same application.
  • the first air interface resource configured by the same information unit, the second air interface resource and the third air interface resource are associated.
  • a box filled with a left oblique line indicates the first air interface resource
  • a box filled with a right oblique line indicates the second air interface resource
  • a square filled box indicates the third air interface resource.
  • the time interval between any two adjacent occurrences of the first air interface resource configured by the given information unit and the second air interface resource configured by the given information unit is The time interval between any two adjacent occurrences in the time domain is equal.
  • the time interval between any two adjacent occurrences of the first air interface resource configured by the given information unit and the third air interface resource configured by the given information unit is any phase in the time domain
  • the time interval between two occurrences of the neighbors is equal.
  • the given information element is any one of the information units.
  • Embodiment 8 exemplifies a structural block diagram of a processing device used in the first node, as shown in FIG.
  • the processing device 200 in the first node is mainly composed of a first processing module 201, a second processing module 202, and a third processing module 203.
  • the first processing module 201 receives the first downlink information; the second processing module 202 receives the first type of reference signal in the first air interface resource; and the third processing module 203 sends the second information in the second air interface resource. Class reference signal.
  • the first node is a user equipment.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used by the second processing module 202.
  • the second field in the first downlink information is used by the third processing module 203 to determine the second air interface resource.
  • the first air interface resource is reserved for the first type of reference signal, and the second air interface resource is reserved for the second type of reference signal.
  • the target recipient of the first type of reference signal includes the first node, and the sender of the second type of reference signal is the first node.
  • the measurement for the first type of reference signal is used by the third processing module 203 to generate the second type of reference signal.
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-type antenna port groups in the K second sub-resources.
  • Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the first processing module 201 further receives Q1 second downlink information and Q2 third downlink information.
  • the Q1 second downlink information is used by the second processing module 202 to determine Q1 first type air interface resources and Q1 first type identifiers, and the Q1 first type identifiers and the Q1 units.
  • the first type of air interface resources are in one-to-one correspondence, and the first field in the first downlink information is used by the second processing module 202 to determine a first identifier, where the first air interface resource is the Q1 A first type of air interface resource in a type of air interface resource, wherein the first type identifier corresponding to the first air interface resource in the Q1 first type identifier is the first identifier.
  • the Q2 third downlink information is used by the third processing module 203 to determine Q2 second type air interface resources and Q2 second type identifiers, and the Q2 second type identifiers and the Q2 second types.
  • the second air interface resource is used by the third processing module 203 to determine the second identifier, and the second air interface resource is the Q2 second class.
  • the Q1 and the Q2 are positive integers, respectively.
  • the first processing module 201 also receives downlink signaling.
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal.
  • the first type of reference signal is a channel state information reference signal
  • the second type of reference signal is a sounding reference signal
  • the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is used to identify the information unit corresponding to the first downlink information.
  • the second processing module 202 also sends the first information.
  • the measurement for the first type of reference signal is used by the second processing module 202 to determine the first information.
  • the first information is used to determine whether the K second type antenna port groups need to be updated.
  • the first downlink information includes a third domain, and the third domain in the first downlink information is used by the second processing module 202 to determine a third air interface resource, where the first information is in the The third air interface resource is sent.
  • the third processing module 203 further receives fourth downlink information.
  • the first information is used to trigger the fourth downlink information.
  • the fourth downlink information is used to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • Embodiment 9 exemplifies a structural block diagram of a processing device for use in a second node, as shown in FIG.
  • the processing device 300 in the second node is mainly composed of a fourth processing module 301, a fifth processing module 302, and a sixth processing module 303.
  • the fourth processing module 301 sends the first downlink information; the fifth processing module 302 sends the first type of reference signal in the first air interface resource; the sixth processing module 303 receives the second information in the second air interface resource. Class reference signal.
  • the second node is a base station.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource the second domain in the first downlink information is used to determine the second air interface resource.
  • the first air interface resource is reserved for the first type of reference signal, and the second air interface resource is reserved for the second type of reference signal.
  • the sender of the first type of reference signal is the second node, and the target recipient of the second type of reference signal includes the second node. Measurements for the first type of reference signal are used to generate the second type of reference signal.
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-class antenna port groups in the K second sub-resources.
  • Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the fourth processing module 301 further sends Q1 second downlink information and Q2 third downlink information.
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively determined.
  • the first domain in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type of air interface resources.
  • the first type identifier corresponding to the first air interface resource in the first type identifier of the Q1 is the first identifier.
  • the Q2 third downlink information is used to determine the Q2 second type air interface resources and the Q2 second type identifiers, where the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence.
  • the second field in the first downlink information is used to determine a second identifier, where the second air interface resource is a second type of air interface resource of the Q2 second type air interface resources, the Q2 The second type of identifier corresponding to the second air interface resource in the second type of identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the fourth processing module 301 also sends downlink signaling.
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal.
  • the first type of reference signal is a channel state information reference signal
  • the second type of reference signal is a sounding reference signal
  • the first downlink information includes a fourth domain, and the fourth domain in the first downlink information is used to identify the information unit corresponding to the first downlink information.
  • the fifth processing module 302 also receives the first information. Wherein the measurement for the first type of reference signal is used to determine the first information.
  • the first information is used by the fourth processing module 301 to determine whether the K second type antenna port groups need to be updated.
  • the first downlink information includes a third domain, where the third domain in the first downlink information is used to determine a third air interface resource, where the first information is sent in the third air interface resource.
  • the sixth processing module 303 further sends fourth downlink information.
  • the first information is used to trigger the fourth downlink information.
  • the fourth downlink information is used to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • Embodiment 10 exemplifies a structural block diagram of a processing device for use in a first node, as shown in FIG.
  • the processing device 400 in the first node is mainly composed of a first processing module 401, a second processing module 402, and a third processing module 403.
  • the first processing module 401 sends the first downlink information; the second processing module 402 receives the first type of reference signal in the first air interface resource; and the third processing module 403 sends the second information in the second air interface resource.
  • Class reference signal
  • the first node is a base station.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource the second domain in the first downlink information is used to determine the second air interface resource.
  • the first air interface resource is reserved for the first type of reference signal, and the second air interface resource is reserved for the second type of reference signal.
  • the target recipient of the first type of reference signal includes the first node, and the sender of the second type of reference signal is the first node.
  • the measurement for the first type of reference signal is used by the third processing module 403 to generate the second type of reference signal.
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-class antenna port groups in the K second sub-resources.
  • Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the first processing module 401 further sends Q1 second downlink information and Q2 third downlink information.
  • the Q1 second downlink information is used to determine the Q1 first type air interface resources and the Q1 first type identifiers, and the Q1 first type identifiers and the Q1 first type air interface resources are respectively determined.
  • the first domain in the first downlink information is used to determine a first identifier, where the first air interface resource is a first type of air interface resource of the Q1 first type of air interface resources.
  • the first type identifier corresponding to the first air interface resource in the first type identifier of the Q1 is the first identifier.
  • the Q2 third downlink information is used to determine the Q2 second type air interface resources and the Q2 second type identifiers, where the Q2 second type identifiers and the Q2 second type air interface resources are in one-to-one correspondence.
  • the second field in the first downlink information is used to determine a second identifier, where the second air interface resource is a second type of air interface resource of the Q2 second type air interface resources, the Q2 The second type of identifier corresponding to the second air interface resource in the second type of identifier is the second identifier.
  • the Q1 and the Q2 are positive integers, respectively.
  • the first processing module 401 also sends downlink signaling.
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal.
  • the first type of reference signal is a sounding reference signal and the second type of reference signal is a channel state information reference signal.
  • the third processing module 403 further sends fourth downlink information.
  • the measurement for the first type of reference signal is used to at least one of ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ .
  • the fourth downlink information is used to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • Embodiment 11 exemplifies a structural block diagram for a processing device in a second node, as shown in FIG.
  • the processing device 500 in the second node is mainly composed of a fourth processing module 501, a fifth processing module 502, and a sixth processing module 503.
  • the fourth processing module 501 receives the first downlink information; the fifth processing module 502 sends the first type of reference signal in the first air interface resource; and the sixth processing module 503 receives the second information in the second air interface resource. Class reference signal.
  • the second node is a user equipment.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used by the fifth processing module 502.
  • the second field in the first downlink information is used by the sixth processing module 503 to determine the second air interface resource.
  • the first air interface resource is reserved for the first type of reference signal, and the second air interface resource is reserved for the second type of reference signal.
  • the sender of the first type of reference signal is the second node, and the target recipient of the second type of reference signal includes the second node. Measurements for the first type of reference signal are used to generate the second type of reference signal.
  • the first air interface resource includes M first sub-resources, and the first type of reference signals are respectively sent by the M first-type antenna port groups in the M first sub-resources.
  • the second air interface resource includes K second sub-resources, and the second type of reference signals are respectively sent by the K second-class antenna port groups in the K second sub-resources.
  • Any one of the M first type antenna port groups includes a positive integer number of first type antenna ports, and any of the K second type antenna port groups is a second type antenna port group A positive integer number of second type antenna ports are included, and the M and the K are positive integers, respectively.
  • the fourth processing module 501 further receives Q1 second downlink information and Q2 third downlink information.
  • the Q1 second downlink information is used by the fifth processing module 502 to determine Q1 first type air interface resources and Q1 first type identifiers, and the Q1 first type identifiers and the Q1 units.
  • the first type of air interface resources are in one-to-one correspondence, and the first field in the first downlink information is used by the fifth processing module 502 to determine a first identifier, where the first air interface resource is the Q1 A first type of air interface resource in a type of air interface resource, wherein the first type identifier corresponding to the first air interface resource in the Q1 first type identifier is the first identifier.
  • the Q2 third downlink information is used by the sixth processing module 503 to determine Q2 second type air interface resources and Q2 second type identifiers, and the Q2 second type identifiers and the Q2 second types.
  • the second air interface resource is used by the sixth processing module 503 to determine the second identifier, and the second air interface resource is the Q2 second class.
  • the Q1 and the Q2 are positive integers, respectively.
  • the fourth processing module 501 also receives downlink signaling.
  • the downlink signaling is used to trigger transmission of at least one of the first type reference signal and the second type reference signal.
  • the first type of reference signal is a sounding reference signal and the second type of reference signal is a channel state information reference signal.
  • the sixth processing module 503 further receives fourth downlink information.
  • the measurement for the first type of reference signal is used to at least one of ⁇ trigger the fourth downlink information, generate the fourth downlink information ⁇ .
  • the fourth downlink information is used to reconfigure at least the latter of the first air interface resource and the second air interface resource.
  • Embodiment 12 illustrates a flow chart of the first downlink information, as shown in FIG.
  • the first node in the application operates the first downlink information, where the first downlink information is an information unit, and the first downlink information includes a first domain and a second The first domain in the first downlink information is used to determine a first air interface resource, and the second domain in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for the first type of reference signal, and the second air interface resource is reserved for the second type of reference signal;
  • the target receiver of the first type of reference signal includes the first node,
  • the sender of the second type of reference signal is the first node; the measurement for the first type of reference signal is used to generate the second type of reference signal;
  • the first node is a user equipment and the operation is Received, or the first node is a base station and the operation is a transmission.
  • the first downlink information is carried by high layer signaling.
  • the first downlink information is carried by RRC signaling.
  • the information element is an IE.
  • the information element is a CSI-Process IE.
  • the first downlink information is a CSI-Process IE.
  • the first downlink information includes all fields in the CSI-Process IE.
  • the first domain is a csi-RS-ConfigNZPId-r11 field.
  • the second domain is a csi-RS-ConfigNZPId-r11 field.
  • the first air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the first air interface resource includes a CSI-RS resource
  • the first node is a user equipment.
  • the first air interface resource includes an SRS resource
  • the first node is a base station.
  • the second air interface resource includes one or more of ⁇ time domain resource, frequency domain resource, and code domain resource ⁇ .
  • the second air interface resource includes an SRS resource
  • the first node is a user equipment
  • the second air interface resource includes a CSI-RS resource
  • the first node is a base station.
  • the first type of reference signal comprises a CSI-RS
  • the first node is a user equipment.
  • the second type of reference signal comprises an SRS
  • the first node is a user equipment
  • the first type of reference signal comprises an SRS, and the first node is a base station.
  • the second type of reference signal comprises a CSI-RS
  • the first node is a base station.
  • the measuring for the first type of reference signal is used to generate the second type of reference signal means that the measurement for the first type of reference signal is used to determine a positive integer number of second type antennas
  • the port group, the second type of reference signals are respectively sent by the positive integer number of second type antenna port groups. Any one of the positive integer number of second type antenna port groups includes a positive integer number of second type antenna ports.
  • the measuring of the first type of reference signal is used to generate the second type of reference signal means that the measurement for the first type of reference signal is used to determine a positive integer number of beamforming vectors The positive integer number of beamforming vectors are used to transmit the second type of reference signal, respectively.
  • Embodiment 13 illustrates a schematic diagram of a network architecture, as shown in FIG.
  • FIG. 13 illustrates a network architecture 1300 of LTE (Long-Term Evolution), LTE-A (Long-Term Evolution Advanced) and future 5G systems.
  • the LTE network architecture 1300 may be referred to as an EPS (Evolved Packet System) 1300.
  • the EPS 1300 may include one or more UEs (User Equipment) 1301, E-UTRAN-NR (Evolved UMTS Terrestrial Radio Access Network - New Wireless) 1302, 5G-CN (5G-CoreNetwork, 5G Core Network)/EPC (Evolved Packet Core) 1310, HSS (Home Subscriber Server) 1320 and Internet Service 1330.
  • UMTS corresponds to the Universal Mobile Telecommunications System.
  • EPS can be interconnected with other access networks, but these entities/interfaces are not shown for simplicity. As shown in FIG. 13, EPS provides packet switching services, although those skilled in the art will readily appreciate that the various concepts presented throughout this application can be extended to networks that provide circuit switched services.
  • the E-UTRAN-NR includes NR (New Radio) Node B (gNB) 1303 and other gNBs 1304.
  • the gNB 1303 provides user and control plane protocol termination towards the UE 1301.
  • the gNB 1303 can be connected to other gNBs 1304 via an X2 interface (eg, a backhaul).
  • the gNB 1303 may also be referred to as a base station, a base transceiver station, a radio base station, a radio transceiver, a transceiver function, a basic service set (BSS), an extended service set (ESS), a TRP (transmission and reception point), or some other suitable terminology.
  • the gNB 1303 provides the UE 1301 with an access point to the 5G-CN/EPC 1310.
  • Examples of UEs 1301 include cellular telephones, smart phones, Session Initiation Protocol (SIP) phones, laptop computers, personal digital assistants (PDAs), satellite radios, global positioning systems, multimedia devices, video devices, digital audio players ( For example, an MP3 player), a camera, a game console, a drone, an aircraft, a narrowband physical network device, a machine type communication device, a land vehicle, a car, a wearable device, or any other similar functional device.
  • SIP Session Initiation Protocol
  • PDAs personal digital assistants
  • a person skilled in the art may also refer to UE 1301 as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, Mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client or some other suitable term.
  • the gNB1303 is connected to the 5G-CN/EPC1310 through the S1 interface.
  • the 5G-CN/EPC1310 includes an MME 1311, other MMEs 1314, an S-GW (Service Gateway) 1312, and a P-GW (Packet Date Network Gateway) 1313. .
  • the MME 1311 is a control node that handles signaling between the UE 1301 and the 5G-CN/EPC 1310. In general, the MME 1311 provides bearer and connection management. All User IP (Internet Protocol) packets are transmitted through the S-GW 1312, and the S-GW 1312 itself is connected to the P-GW 1313.
  • the P-GW 1313 provides UE IP address allocation as well as other functions.
  • the P-GW 1313 is connected to the Internet service 1330.
  • the Internet service 1330 includes an operator-compatible Internet Protocol service, and may specifically include the Internet, an intranet, an IMS (IP Multimedia Subsystem), and a PS Streaming Service (PSS).
  • IMS IP Multimedia Subsystem
  • PSS PS Streaming Service
  • the UE 1301 corresponds to the first node in the application
  • the gNB 1303 corresponds to the second node in this application.
  • the UE 1301 corresponds to the second node in the application
  • the gNB 1303 corresponds to the first node in this application.
  • Embodiment 14 illustrates a schematic diagram of an embodiment of a radio protocol architecture of a user plane and a control plane, as shown in FIG.
  • FIG. 14 is a schematic diagram illustrating an embodiment of a radio protocol architecture for a user plane and a control plane, and FIG. 14 shows the radio protocol architecture for the UE and gNB in three layers: Layer 1, Layer 2, and Layer 3.
  • Layer 1 (L1 layer) is the lowest layer and implements various PHY (physical layer) signal processing functions.
  • the L1 layer will be referred to herein as PHY 1401.
  • Layer 2 (L2 layer) 1405 is above PHY 1401 and is responsible for the link between the UE and the gNB through PHY 1401.
  • the L2 layer 1405 includes a MAC (Medium Access Control) sublayer 1402, an RLC (Radio Link Control) sublayer 1403, and a PDCP (Packet Data Convergence Protocol).
  • MAC Medium Access Control
  • RLC Radio Link Control
  • PDCP Packet Data Convergence Protocol
  • Convergence Protocol Sublayer 1404 which terminates at the gNB on the network side.
  • the UE may have several protocol layers above the L2 layer 1405, including a network layer (eg, an IP layer) terminated at the P-GW 1313 on the network side and terminated at the other end of the connection (eg, Application layer at the remote UE, server, etc.).
  • the PDCP sublayer 1404 provides multiplexing between different radio bearers and logical channels.
  • the PDCP sublayer 1404 also provides header compression for upper layer data packets to reduce radio transmission overhead, provides security by encrypting data packets, and provides handoff support for UEs between gNBs.
  • the RLC sublayer 1403 provides segmentation and reassembly of upper layer data packets, retransmission of lost data packets, and reordering of data packets to compensate for out-of-order reception due to HARQ.
  • the MAC sublayer 1402 provides multiplexing between the logical and transport channels.
  • the MAC sublayer 1402 is also responsible for allocating various radio resources (e.g., resource blocks) in one cell between UEs.
  • the MAC sublayer 1402 is also responsible for HARQ operations.
  • the radio protocol architecture for the UE and gNB is substantially the same for the physical layer 1401 and the L2 layer 1405, but there is no header compression function for the control plane.
  • the control plane also includes an RRC (Radio Resource Control) sublayer 1406 in layer 3 (L3 layer).
  • the RRC sublayer 1406 is responsible for obtaining radio resources (ie, radio bearers) and configuring the lower layer using RRC signaling between the gNB and the UE.
  • the wireless protocol architecture of Figure 14 is applicable to the first node in this application.
  • the wireless protocol architecture of Figure 14 is applicable to the second node in this application.
  • the first downlink information in this application is generated in the RRC sublayer 1406.
  • the Q1 second downlink information in the present application is generated in the RRC sublayer 1406, respectively.
  • the Q2 third downlink information in the present application is generated in the RRC sublayer 1406, respectively.
  • the downlink signaling in this application is generated by the PHY 1401.
  • the downlink signaling in this application is generated in the MAC sublayer 1402.
  • the first type of reference signal in the present application is generated by the PHY 1401.
  • the second type of reference signal in the present application is generated by the PHY 1401.
  • the first information in the present application is generated by the PHY 1401.
  • the fourth downlink information in this application is generated in the RRC sublayer 1406.
  • Embodiment 15 illustrates a schematic diagram of an NR node and a UE, as shown in FIG. Figure 15 is a block diagram of UE 1550 and gNB 1510 that are in communication with one another in an access network.
  • the gNB 1510 includes a controller/processor 1575, a memory 1576, a receiving processor 1570, a transmitting processor 1516, a multi-antenna receiving processor 1572, a multi-antenna transmitting processor 1571, a transmitter/receiver 1518, and an antenna 1520.
  • the UE 1550 includes a controller/processor 1559, a memory 1560, a data source 1567, a transmit processor 1568, a receive processor 1556, a multi-antenna transmit processor 1557, a multi-antenna receive processor 1558, a transmitter/receiver 1554, and an antenna 1552.
  • controller/processor 1575 implements the functionality of the L2 layer.
  • the controller/processor 1575 provides header compression, encryption, packet segmentation and reordering, multiplexing between logical and transport channels, and radio resource allocation to the UE 1550 based on various priority metrics.
  • the controller/processor 1575 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the UE 1550.
  • Transmit processor 1516 and multi-antenna transmit processor 1571 implement various signal processing functions for the L1 layer (ie, the physical layer).
  • Transmit processor 1516 implements encoding and interleaving to facilitate forward error correction (FEC) at UE 1550, as well as based on various modulation schemes (eg, binary phase shift keying (BPSK), quadrature phase shift keying (QPSK), Mapping of signal clusters of M phase shift keying (M-PSK), M quadrature amplitude modulation (M-QAM).
  • FEC forward error correction
  • BPSK binary phase shift keying
  • QPSK quadrature phase shift keying
  • M-PSK M phase shift keying
  • M-QAM M quadrature amplitude modulation
  • the multi-antenna transmission processor 1571 performs digital spatial precoding/beamforming processing on the encoded and modulated symbols to generate one or more spatial streams.
  • Transmit processor 1516 maps each spatial stream to subcarriers, multiplexes with reference signals (e.g., pilots) in the time and/or frequency domain, and then uses an inverse fast Fourier transform (IFFT) to generate A physical channel carrying a time-domain multi-carrier symbol stream.
  • the multi-antenna transmit processor 1571 then transmits an analog precoding/beamforming operation to the time domain multicarrier symbol stream.
  • Each transmitter 1518 converts the baseband multicarrier symbol stream provided by the multi-antenna transmit processor 1571 into a radio frequency stream, which is then provided to a different antenna 1520.
  • each receiver 1554 receives a signal through its respective antenna 1552. Each receiver 1554 recovers the information modulated onto the radio frequency carrier and converts the radio frequency stream into a baseband multi-carrier symbol stream for providing to the receive processor 1556.
  • Receive processor 1556 and multi-antenna receive processor 1558 implement various signal processing functions of the L1 layer. Multi-antenna receive processor 1558 receives analog precoding/beamforming operations on the baseband multicarrier symbol stream from receiver 1554.
  • the receive processor 1556 converts the baseband multicarrier symbol stream after receiving the analog precoding/beamforming operation from the time domain to the frequency domain using a Fast Fourier Transform (FFT).
  • FFT Fast Fourier Transform
  • the physical layer data signal and the reference signal are demultiplexed by the receiving processor 1556, wherein the reference signal will be used for channel estimation, and the data signal is recovered by the multi-antenna detection in the multi-antenna receiving processor 1558 with the UE 1550 as Any spatial stream of destinations.
  • the symbols on each spatial stream are demodulated and recovered in receive processor 1556 and a soft decision is generated.
  • Receive processor 1556 then decodes and deinterleaves the soft decision to recover the upper layer data and control signals transmitted by gNB 1510 on the physical channel.
  • the upper layer data and control signals are then provided to controller/processor 1559.
  • the controller/processor 1559 implements the functions of the L2 layer.
  • Controller/processor 1559 can be associated with memory 1560 that stores program codes and data. Memory 1560 can be referred to as a computer readable medium.
  • the controller/processor 1559 provides demultiplexing, packet reassembly, decryption, header decompression, and control signal processing between the transport and logical channels to recover upper layer packets from the core network. The upper layer packet is then provided to all protocol layers above the L2 layer. Various control signals can also be provided to L3 for L3 processing.
  • the controller/processor 1559 is also responsible for error detection using an acknowledgement (ACK) and/or negative acknowledgement (NACK) protocol to support HARQ operations.
  • ACK acknowledgement
  • NACK negative acknowledgement
  • data source 1567 is used to provide upper layer data packets to controller/processor 1559.
  • Data source 1567 represents all protocol layers above the L2 layer.
  • the controller/processor 1559 implements header compression, encryption, packet segmentation and reordering, and multiplexing between the logical and transport channels based on the radio resource allocation of the gNB 1510. Used to implement L2 layer functions for the user plane and control plane.
  • the controller/processor 1559 is also responsible for HARQ operations, retransmission of lost packets, and signaling to the gNB 1510.
  • the transmit processor 1568 performs modulation mapping, channel coding processing, and the multi-antenna transmit processor 1557 performs digital multi-antenna spatial pre-coding/beamforming processing, and then the transmit processor 1568 modulates the generated spatial stream into a multi-carrier/single-carrier symbol stream.
  • the analog precoding/beamforming operation is performed in the multi-antenna transmit processor 1557 and then provided to the different antennas 1552 via the transmitter 1554.
  • Each transmitter 1554 first converts the baseband symbol stream provided by the multi-antenna transmit processor 1557 into a stream of radio frequency symbols and provides it to the antenna 1552.
  • the function at gNB 1510 is similar to the receiving function at UE 1550 described in the DL.
  • Each receiver 1518 receives a radio frequency signal through its respective antenna 1520, converts the received radio frequency signal into a baseband signal, and provides the baseband signal to a multi-antenna receive processor 1572 and a receive processor 1570.
  • the receiving processor 1570 and the multi-antenna receiving processor 1572 jointly implement the functions of the L1 layer.
  • the controller/processor 1575 implements the L2 layer function. Controller/processor 1575 can be associated with memory 1576 that stores program codes and data. Memory 1576 can be referred to as a computer readable medium.
  • the controller/processor 1575 provides demultiplexing, packet reassembly, decryption, header decompression, and control signal processing between the transport and logical channels to recover upper layer data packets from the UE 1550.
  • Upper layer data packets from controller/processor 1575 can be provided to the core network.
  • the controller/processor 1575 is also responsible for error detection using ACK and/or NACK protocols to support HARQ operations.
  • the UE 1550 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be coupled to the at least one processor use together.
  • the UE 1550 device at least: receives the first downlink information in the application.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Reserved for the second type of reference signal;
  • the target recipient of the first type of reference signal includes the UE 1550, the sender of the second type of reference signal is the UE 1550;
  • the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the UE 1550 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by at least one processor, the action comprising: receiving the present application
  • the first downlink information is described.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Reserved for the second type of reference signal;
  • the target recipient of the first type of reference signal includes the UE 1550, the sender of the second type of reference signal is the UE 1550; the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the gNB 1510 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be coupled to the at least one processor use together.
  • the gNB1510 device transmits at least: the first downlink information.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the sender of the first type of reference signal is the gNB 1510, the target receiver of the second type of reference signal includes the gNB 1510; and the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the gNB 1510 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by the at least one processor, the action comprising: transmitting the first downlink information .
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the sender of the first type of reference signal is the gNB 1510, the target receiver of the second type of reference signal includes the gNB 1510; and the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the UE 1550 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be coupled to the at least one processor use together.
  • the UE 1550 device at least: receives the first downlink information.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Left to the second type of reference signal;
  • the sender of the first type of reference signal is the UE 1550, the target receiver of the second type of reference signal includes the UE 1550;
  • the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the UE 1550 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by the at least one processor, the action comprising: receiving the first downlink information .
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Left to the second type of reference signal;
  • the sender of the first type of reference signal is the UE 1550, the target receiver of the second type of reference signal includes the UE 1550; the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the gNB 1510 includes: at least one processor and at least one memory, the at least one memory including computer program code; the at least one memory and the computer program code are configured to be coupled to the at least one processor use together.
  • the gNB1510 device transmits at least: the first downlink information.
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the target receiver of the first type of reference signal includes the gNB 1510, the sender of the second type of reference signal is the gNB 1510; and the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the gNB 1510 includes: a memory storing a computer readable instruction program, the computer readable instruction program generating an action when executed by the at least one processor, the action comprising: transmitting the first downlink information .
  • the first downlink information is an information unit, the first downlink information includes a first domain and a second domain, and the first domain in the first downlink information is used to determine the first
  • the air interface resource, the second field in the first downlink information is used to determine a second air interface resource;
  • the first air interface resource is reserved for a first type of reference signal, and the second air interface resource is pre- Leaving a second type of reference signal;
  • the target receiver of the first type of reference signal includes the gNB 1510, the sender of the second type of reference signal is the gNB 1510; and the measurement for the first type of reference signal is Used to generate the second type of reference signal.
  • the UE 1550 corresponds to the first node in the application
  • the gNB 1510 corresponds to the second node in this application.
  • the UE 1550 corresponds to the second node in the application
  • the gNB 1510 corresponds to the first node in this application.
  • the antenna 1552, the receiver 1554, the receiving processor 1556, the multi-antenna receiving processor 1558, the controller/processor 1559, the memory 1560, the data At least one of the sources 1567 ⁇ is used to receive the Q2 third downlink information in the present application;
  • the antenna 1520, the transmitter 1518, the transmitting processor 1516, the multi-antenna transmission processing At least one of the controller 1571, the controller/processor 1575, and the memory 1576 ⁇ is used to transmit the Q2 third downlink information in the present application.
  • At least one of the antenna 1520, the receiver 1518, the receiving processor 1570, the multi-antenna receiving processor 1572, the controller/processor 1575, and the memory 1576 ⁇ Used to receive the first type of reference signal in the present application; ⁇ the antenna 1552, the transmitter 1554, the transmit processor 1568, the multi-antenna transmit processor 1557, the controller/process At least one of the memory 1560, the memory 1560, the data source 1567 ⁇ is used to transmit the first type of reference signal in the present application.
  • At least one of the antenna 1520, the receiver 1518, the receiving processor 1570, the multi-antenna receiving processor 1572, the controller/processor 1575, and the memory 1576 ⁇ Used to receive the second type of reference signal in the present application; ⁇ the antenna 1552, the transmitter 1554, the transmit processor 1568, the multi-antenna transmit processor 1557, the controller/process At least one of the memory 1560, the memory 1560, the data source 1567 ⁇ is used to transmit the second type of reference signal in the present application.
  • At least one of the antenna 1520, the receiver 1518, the receiving processor 1570, the multi-antenna receiving processor 1572, the controller/processor 1575, and the memory 1576 ⁇ Used to receive the first information in the present application; ⁇ the antenna 1552, the transmitter 1554, the transmitting processor 1568, the multi-antenna transmitting processor 1557, the controller/processor 1559
  • the memory 1560, at least one of the data sources 1567 ⁇ is used to transmit the first information in the present application.
  • the first processing module 201 in Embodiment 8 includes ⁇ the antenna 1552, the receiver 1554, the receiving processor 1556, the multi-antenna receiving processor 1558, the controller / processor 1559, the memory 1560, at least one of the data sources 1567 ⁇ .
  • the second processing module 202 in Embodiment 8 includes ⁇ the antenna 1552, the transmitter/receiver 1554, the transmitting processor 1568, the receiving processor 1556, the plurality of An antenna transmitting processor 1557, the multi-antenna receiving processor 1558, the controller/processor 1559, the memory 1560, and at least one of the data sources 1567 ⁇ .
  • the third processing module 203 in Embodiment 8 includes ⁇ the antenna 1552, the transmitter/receiver 1554, the transmitting processor 1568, the receiving processor 1556, the plurality of An antenna transmitting processor 1557, the multi-antenna receiving processor 1558, the controller/processor 1559, the memory 1560, and at least one of the data sources 1567 ⁇ .
  • the fourth processing module 301 in Embodiment 9 includes ⁇ the antenna 1520, the transmitter 1518, the transmitting processor 1516, the multi-antenna transmitting processor 1571, the controller / processor 1575, at least one of the memories 1576 ⁇ .
  • the fifth processing module 302 in Embodiment 9 includes ⁇ the antenna 1520, the transmitter/receiver 1518, the transmitting processor 1516, the receiving processor 1570, the multiple An antenna transmission processor 1571, the multi-antenna transmission processor 1572, the controller/processor 1575, and at least one of the memories 1576 ⁇ .
  • the sixth processing module 303 in Embodiment 9 includes ⁇ the antenna 1520, the transmitter/receiver 1518, the transmitting processor 1516, the receiving processor 1570, the plurality of An antenna transmission processor 1571, the multi-antenna transmission processor 1572, the controller/processor 1575, and at least one of the memories 1576 ⁇ .
  • the first processing module 401 in Embodiment 10 includes ⁇ the antenna 1520, the transmitter 1518, the transmitting processor 1516, the multi-antenna transmitting processor 1571, the controller / processor 1575, at least one of the memories 1576 ⁇ .
  • the second processing module 402 in Embodiment 10 includes ⁇ the antenna 1520, the receiver 1518, the receiving processor 1570, the multi-antenna transmitting processor 1572, the controller / processor 1575, at least one of the memories 1576 ⁇ .
  • the third processing module 403 in Embodiment 10 includes ⁇ the antenna 1520, the transmitter 1518, the transmitting processor 1516, the multi-antenna transmitting processor 1571, the controller / processor 1575, at least one of the memories 1576 ⁇ .
  • the fourth processing module 501 in Embodiment 11 includes ⁇ the antenna 1552, the receiver 1554, the receiving processor 1556, the multi-antenna receiving processor 1558, the controller / processor 1559, the memory 1560, at least one of the data sources 1567 ⁇ .
  • the fifth processing module 502 in Embodiment 11 includes ⁇ the antenna 1552, the transmitter 1554, the transmitting processor 1568, the multi-antenna transmitting processor 1557, the controller / processor 1559, the memory 1560, at least one of the data sources 1567 ⁇ .
  • the sixth processing module 503 in Embodiment 11 includes ⁇ the antenna 1552, the receiver 1554, the receiving processor 1556, the multi-antenna receiving processor 1558, the controller / processor 1559, the memory 1560, at least one of the data sources 1567 ⁇ .
  • the user equipment, UE or terminal in the present application includes but is not limited to a drone, a communication module on the drone, a remote control aircraft, an aircraft, a small aircraft, a mobile phone, a tablet, a notebook, a wireless sensor, an internet card, an internet of things terminal, RFID terminal, IoT communication module, vehicle communication device, NB-IOT terminal, MTC (Machine Type Communication) terminal, eMTC (enhanced MTC) terminal, data card, low-cost mobile phone, low-cost tablet Wireless communication equipment such as computers.
  • the base station or system equipment in this application includes, but is not limited to, a macro communication base station, a micro cell base station, a home base station, a relay base station, a gNB (NR Node B), a TRP (Transmitter Receiver Point), and the like.

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Abstract

本发明公开了一种用于多天线传输的用户设备、基站中的方法和装置。第一节点操作第一下行信息，其中，第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，第一下行信息的第一域被用于确定第一空口资源，第一下行信息的第二域被用于确定第二空口资源。第一空口资源被预留给第一类参考信号，第二空口资源被预留给第二类参考信号。第一类参考信号的目标接收者包括第一节点，第二类参考信号的发送者是第一节点。针对所述第一类参考信号的测量被用于生成所述第二类参考信号。所述第一节点是用户设备且所述操作是接收；或者所述第一节点是基站且所述操作是发送。本发明通过一个信息单元配置了上下行参考信号，节省了相关配置信令开销。

Description

一种用于多天线传输的用户设备、基站中的方法和装置 技术领域
本申请涉及无线通信系统中的传输方法和装置，尤其是支持多天线传输的无线通信系统中的传输方案和装置。
背景技术
大尺度(Massive)MIMO(Multiple Input Multiple Output，多输入多输出)成为下一代移动通信的一个研究热点。大尺度MIMO中，多个天线通过波束赋型，形成指向一个特定方向的波束来提高通信质量。为了使波束指向正确的方向，通信双方需要知道无线信道的(部分)信道信息。传统的LTE(Long Term Evolution，长期演进)系统中，最常用的一种获取信道信息的方式是无线信号的接收端通过测量参考信号来估计信道状态信息，并把估计出的信道状态信息反馈/通知给无线信号的发送端来实现的。大尺度MIMO系统中，随着天线数量的大幅增加，这种传统的方式需要的参考信号和反馈开销会大幅增加。为了降低开销，5G系统中将充分利用上下行信道之间的信道互易性来获取(部分)信道信息，尤其是在TDD(Time-Division Duplex，时分复用)系统中。使用了信道互易性之后，如何设计上下行参考信号来优化系统的性能并降低开销，是一个需要研究的问题。
发明内容
发明人通过研究发现，在上下行信道具有(部分)信道互易性的系统中，通过在上下行参考信号之间建立联系，可以有效利用信道互易性，提高信道估计质量。为了降低相关的配置信令开销，可以对相关联的上下行参考信号进行联合配置。
本申请针对上述发现公开了一种解决方案。需要说明的是，虽然本申请最初的动机是针对多天线传输，本申请也适用于单天线传输。在不冲突的情况下，本申请的第一节点中的实施例和实施例中的特征可以应用到第二节点中，反之亦然。在不冲突的情况下，本申请的实施例和实施例中的特征可以任意相互组合。
本申请公开了一种被用于多天线传输的第一节点中的方法，其中，包括：
操作第一下行信息；
其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，上述方法的好处在于，在所述第一类参考信号和所述第二类参考信号之间建立关联，利用信道互易性，根据针对所述第一类参考信号的测量确定所述第二类参考信号的发送波束指向方向，降低了所述第二类参考信号的开销。
作为一个实施例，上述方法的好处在于，使用同一个信息单元同时配置所述第一空口资源和所述第二空口资源，降低了在所述第一类参考信号和所述第二类参考信号之间建立关联所相关的配置信令的开销。
作为一个实施例，所述第一下行信息由高层信令携带。
作为一个实施例，所述第一下行信息由RRC(Radio Resource Control，无线资源控制)信令携带。
作为一个实施例，所述信息单元是一个IE(Information Element，信息粒子)。
作为一个实施例，所述信息单元是CSI-Process IE。
作为一个实施例，所述第一下行信息是CSI-Process IE。
作为一个实施例，所述第一下行信息包括CSI-Process IE中的所有域(field)。
作为一个实施例，所述第一域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第二域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第一空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第一空口资源包括CSI-RS(Channel Status Information Reference Signal，信道状态信息参考信号)资源(resource)，所述第一节点是用户设备。
作为一个实施例，所述第一空口资源包括SRS(Sounding reference signal，探测参考信号)资源(resource)，所述第一节点是基站。
作为一个实施例，所述第一空口资源在时域上包括正整数个不连续的时间单位。
作为上述实施例的一个子实施例，所述时间单位是子帧(sub-frame)。
作为上述实施例的一个子实施例，所述时间单位是时隙(slot)。
作为上述实施例的一个子实施例，所述时间单位是1ms。
作为一个实施例，所述第一空口资源在时域上包括正整数个连续的时间单位。
作为一个实施例，所述第二空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第二空口资源包括SRS资源(resource)，所述第一节点是用户设备。
作为一个实施例，所述第二空口资源包括CSI-RS资源(resource)，所述第一节点是基站。
作为一个实施例，所述第二空口资源在时域上包括正整数个不连续的时间单位。
作为一个实施例，所述第二空口资源在时域上包括正整数个连续的时间单位。
作为一个实施例，所述第一类参考信号包括CSI-RS，所述第一节点是用户设备。
作为一个实施例，所述第二类参考信号包括SRS，所述第一节点是用户设备。
作为一个实施例，所述第一类参考信号包括SRS，所述第一节点是基站。
作为一个实施例，所述第二类参考信号包括CSI-RS，所述第一节点是基站。
作为一个实施例，所述第一空口资源在时域上是多次出现的，所述第一空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。
作为一个实施例，所述第二空口资源在时域上是多次出现的，所述第二空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。
作为一个实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的。所述实施例的好处在于，节省了配置信令的开销。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源占用的时域资源和被所述给定信息单元配置的所述第二空口资源占用的时域资源是相关联的。所述给定信息单元是任意一个所述信息单元。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔和被所述给定信息单元配置的所述第二空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。所述给定信息单元是任意一个所述信息单元。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源在时域 上任意相邻两次出现之间的时间间隔是被所述给定信息单元配置的所述第二空口资源在时域上任意相邻两次出现之间的时间间隔的正整数倍。所述给定信息单元是任意一个所述信息单元。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的是指：被给定信息单元配置的所述第二空口资源在时域上任意相邻两次出现之间的时间间隔是被所述给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔的正整数倍。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源占用的频域资源和被所述给定信息单元配置的所述第二空口资源占用的频域资源是相关联的。所述给定信息单元是任意一个所述信息单元。
作为一个实施例，所述第一空口资源在时域上是单次出现的。
作为一个实施例，所述第二空口资源在时域上是单次出现的。
作为一个实施例，所述第一下行信息在下行物理层数据信道(即能用于承载物理层数据的下行信道)上传输。
作为上述实施例的一个子实施例，所述下行物理层数据信道是PDSCH(Physical Downlink Shared CHannel，物理下行共享信道)。
作为上述实施例的一个子实施例，所述下行物理层数据信道是sPDSCH(short PDSCH，短PDSCH)。
作为上述实施例的一个子实施例，所述下行物理层数据信道是NR-PDSCH(New Radio PDSCH，新无线PDSCH)。
作为一个实施例，针对所述第一类参考信号的测量被用于生成所述第二类参考信号是指：针对所述第一类参考信号的测量被用于确定正整数个第二类天线端口组，所述第二类参考信号分别被所述正整数个第二类天线端口组发送。所述正整数个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口。
作为一个实施例，针对所述第一类参考信号的测量被用于生成所述第二类参考信号是指：针对所述第一类参考信号的测量被用于确定正整数个波束赋型向量，所述正整数个波束赋型向量分别被用于发送所述第二类参考信号。
根据本申请的一个方面，其特征在于，包括：
操作Q1个第二下行信息和Q2个第三下行信息；
其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识；所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识；所述Q1和所述Q2分别是正整数；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，上述方法的好处在于，通过所述第二下行信息和所述第三下行信息预先配置并标识多个第一类空口资源和多个第二类空口资源，在所述第一下行信息中就可以用第一类标识和第二类标识灵活的在多个第一类空口资源和多个第二类空口资源中选择所述第一空口资源和所述第二空口资源，在开销和灵活度之间实现了良好的折中。
作为一个实施例，所述第二下行信息由高层信令携带。
作为一个实施例，所述第二下行信息由RRC信令携带。
作为一个实施例，所述第三下行信息由高层信令携带。
作为一个实施例，所述第三下行信息由RRC信令携带。
作为一个实施例，所述第二下行信息是一个IE。
作为一个实施例，所述第二下行信息是CSI-RS-Config IE，所述第一节点是用户设备。
作为一个实施例，所述第二下行信息是SoundingRS-UL-Config IE，所述第一节点是基站。
作为一个实施例，所述第三下行信息是一个IE。
作为一个实施例，所述第三下行信息是SoundingRS-UL-Config IE，所述第一节点是用户设备。
作为一个实施例，所述第三下行信息是CSI-RS-Config IE，所述第一节点是基站。
作为一个实施例，所述第一下行信息中的所述第一域指示所述第一标识。
作为一个实施例，所述第一下行信息中的所述第二域指示所述第二标识。
作为一个实施例，所述Q1个第一类标识中的任一第一类标识是非负整数。
作为一个实施例，所述Q2个第二类标识中的任一第二类标识是非负整数。
作为一个实施例，所述第一标识是非负整数。
作为一个实施例，所述第二标识是非负整数。
作为一个实施例，所述第二下行信息包括第六域，所述第二下行信息中的所述第六域指示对应的所述第一类标识。
作为一个实施例，所述第三下行信息包括第七域，所述第三下行信息中的所述第七域指示对应的所述第二类标识。
作为一个实施例，所述Q1个第一类空口资源中的任一第一类空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述Q1个第一类空口资源中的任一第一类空口资源包括CSI-RS资源(resource)，所述第一节点是用户设备。
作为一个实施例，所述Q1个第一类空口资源中的任一第一类空口资源包括SRS资源(resource)，所述第一节点是基站。
作为一个实施例，所述Q2个第二类空口资源中的任一第二类空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述Q2个第二类空口资源中的任一第二类空口资源包括SRS资源(resource)，所述第一节点是用户设备。
作为一个实施例，所述Q2个第二类空口资源中的任一第二类空口资源包括CSI-RS资源(resource)，所述第一节点是基站。
作为一个实施例，所述第二下行信息在下行物理层数据信道(即能用于承载物理层数据的下行信道)上传输。
作为上述实施例的一个子实施例，所述下行物理层数据信道是PDSCH。
作为上述实施例的一个子实施例，所述下行物理层数据信道是sPDSCH。
作为上述实施例的一个子实施例，所述下行物理层数据信道是NR-PDSCH。
作为一个实施例，所述第三下行信息在下行物理层数据信道(即能用于承载物理层数据的下行信道)上传输。
作为上述实施例的一个子实施例，所述下行物理层数据信道是PDSCH。
作为上述实施例的一个子实施例，所述下行物理层数据信道是sPDSCH。
作为上述实施例的一个子实施例，所述下行物理层数据信道是NR-PDSCH。
根据本申请的一个方面，其特征在于，包括：
操作下行信令；
其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少 之一的发送；所述第一节点是用户设备并且所述操作是接收；或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，所述下行信令是MAC CE(Medium Access Control layer Control Element，媒体接入控制层控制元素)信令。
作为一个实施例，所述下行信令是物理层信令。
作为一个实施例，所述下行信令在下行物理层数据信道(即能用于承载物理层数据的下行信道)上传输。
作为上述实施例的一个子实施例，所述下行物理层数据信道是PDSCH。
作为上述实施例的一个子实施例，所述下行物理层数据信道是sPDSCH。
作为上述实施例的一个子实施例，所述下行物理层数据信道是NR-PDSCH。
作为一个实施例，所述下行信令在下行物理层控制信道(即仅能用于承载物理层信令的下行信道)上传输。
作为上述实施例的一个子实施例，所述下行物理层控制信道是PDCCH(Physical Downlink Control CHannel，物理下行控制信道)。
作为上述实施例的一个子实施例，所述下行物理层控制信道是sPDCCH(short PDCCH，短PDCCH)。
作为上述实施例的一个子实施例，所述下行物理层控制信道是NR-PDCCH(New Radio PDCCH，新无线PDCCH)。
根据本申请的一个方面，其特征在于，包括：
在所述第一空口资源中接收所述第一类参考信号；
在所述第二空口资源中发送所述第二类参考信号；
其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，针对所述第一类参考信号的测量被用于确定所述K个第二类天线端口组。
作为一个实施例，所述M个第一子资源中任意两个第一子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述M个第一子资源中至少存在两个第一子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述M个第一子资源中至少存在两个第一子资源占用的时域资源是相同的。
作为一个实施例，所述K个第二子资源中任意两个第二子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述K个第二子资源中至少存在两个第二子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述K个第二子资源中至少存在两个第二子资源占用的时域资源是相同的。
作为一个实施例，所述正整数个第一类天线端口中的任一给定第一类天线端口是由多根第一类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第一类天线到所述任一给定第一类天线端口的映射系数组成所述任一给定第一类天线端口对应的第一类波束赋型向量。一个第一类波束赋型向量是由一个第一类模拟波束赋型向量和一个第一类数字波束赋型向量的Kronecker积所构成的。所述多根第一类天线是所述第一类参 考信号的发送者所配置的天线。
作为一个实施例，所述M个第一类天线端口组中的任一第一类天线端口组中的不同第一类天线端口对应相同的第一类模拟波束赋型向量。
作为一个实施例，所述M个第一类天线端口组中的任一第一类天线端口组中的不同第一类天线端口对应不同的第一类数字波束赋型向量。
作为一个实施例，所述M个第一类天线端口组中不同的第一类天线端口组对应不同的第一类模拟波束赋型向量。
作为一个实施例，所述M个第一类天线端口组中存在至少一个第一类天线端口组只包括一个第一类天线端口，所述一个第一类天线端口对应的第一类数字波束赋型向量等于1。
作为一个实施例，所述M个第一类天线端口组中存在至少一个第一类天线端口组包括多个第一类天线端口。
作为一个实施例，所述M个第一类天线端口组中任意两个不同的第一类天线端口组包括的第一类天线端口的数量是相同的。
作为一个实施例，所述M个第一类天线端口组中至少存在两个不同的第一类天线端口组包括的第一类天线端口的数量是不同的。
作为一个实施例，所述正整数个第二类天线端口中的任一给定第二类天线端口是由多根第二类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第二类天线到所述任一给定第二类天线端口的映射系数组成所述任一给定第二类天线端口对应的第二类波束赋型向量。一个第二类波束赋型向量是由一个第二类模拟波束赋型向量和一个第二类数字波束赋型向量的Kronecker积所构成的。所述多根第二类天线是所述第一节点所配置的天线。
作为一个实施例，所述K个第二类天线端口组中的任一第二类天线端口组中的不同第二类天线端口对应相同的第二类模拟波束赋型向量。
作为一个实施例，所述K个第二类天线端口组中的任一第二类天线端口组中的不同第二类天线端口对应不同的第二类数字波束赋型向量。
作为一个实施例，所述K个第二类天线端口组中不同的第二类天线端口组对应不同的第二类模拟波束赋型向量。
作为一个实施例，所述K个第二类天线端口组中存在至少一个第二类天线端口组只包括一个第二类天线端口，所述一个第二类天线端口对应的第二类数字波束赋型向量等于1。
作为一个实施例，所述K个第二类天线端口组中存在至少一个第二类天线端口组包括多个第二类天线端口。
作为一个实施例，所述K个第二类天线端口组中任意两个不同的第二类天线端口组包括的第二类天线端口的数量是相同的。
作为一个实施例，所述K个第二类天线端口组中至少存在两个不同的第二类天线端口组包括的第二类天线端口的数量是不同的。
作为一个实施例，所述第一类参考信号包括M个第一类子信号，所述M个第一类子信号分别在所述M个第一子资源中被所述M个第一类天线端口组发送。
作为一个实施例，针对K1个第一类子信号的测量分别被用于确定K1个参考向量，所述K1个参考向量被用于确定K个第二类模拟波束赋型向量，所述K个第二类模拟波束赋型向量分别是所述K个第二类天线端口组对应的第二类模拟波束赋型向量。所述K1个第一类子信号是所述M个第一类子信号的子集，所述K1是不大于所述M，并且不大于所述K的正整数。
作为上述实施例的一个子实施例，针对所述M个第一类子信号的测量分别被用于确定M个第一测量值，所述K1个第一类子信号是所述M个第一类子信号中对应所述M个第 一测量值中最大的K1个第一测量值的第一类子信号。
作为上述实施例的一个子实施例，针对所述M个第一类子信号的测量分别被用于确定M个参考向量，所述K1个参考向量是所述M个参考向量的子集。所述M个参考向量中的任意一个参考向量属于天线虚拟化向量集合，所述天线虚拟化向量集合包括正整数个天线虚拟化向量。
作为上述实施例的一个子实施例，对于所述M个第一类子信号中的任意给定第一类子信号，用对应的参考向量对所述给定第一类子信号进行接收时，所述给定第一类子信号的接收质量高于用所述天线虚拟化向量集合中的其他天线虚拟化向量对所述给定第一类子信号进行接收时，所述给定第一类子信号的接收质量。
作为上述子实施例的一个参考实施例，所述接收质量是CQI(Channel Quality Indicator，信道质量标识)。
作为上述子实施例的一个参考实施例，所述接收质量是RSRP(Reference Signal Received Power，参考信号接收功率)。
作为上述子实施例的一个参考实施例，所述接收质量是RSRQ(Reference Signal Received Quality，参考信号接收质量)。
作为上述实施例的一个子实施例，所述M个第一测量值中的任一第一测量值是用对应的参考向量接收对应的第一类子信号时得到的接收质量。
作为上述实施例的一个子实施例，所述K1等于所述K，所述K个第二类模拟波束赋型向量分别等于所述K1个参考向量。
作为上述实施例的一个子实施例，所述K1小于所述K，所述K个第二类模拟波束赋型向量中有K1个第二类模拟波束赋型向量分别等于所述K1个参考向量。
作为一个实施例，所述第二类参考信号包括K个第二类子信号，所述K个第二类子信号分别在所述K个第二子资源中被所述K个第二类天线端口组发送。
根据本申请的一个方面，其特征在于，包括：
发送第一信息；
其中，针对所述第一类参考信号的测量被用于确定所述第一信息；所述第一信息被用于确定所述K个第二类天线端口组是否需要更新；所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送；所述第一节点是用户设备。
作为一个实施例，上述方法的好处在于，利用信道互易性，能通过对所述第一类参考信号的测量及时发现所述K个第二类天线端口组需要更新，并利用所述第一信息把这一信息通知给所述第一下行信息的发送者，使所述第一下行信息的发送者能及时调整对所述第二类参考信号的配置，保证了基于所述第二类参考信号的信道估计的可靠性。
作为一个实施例，上述方法的好处在于，使用同一个信息单元同时配置{所述第一空口资源，所述第二空口资源，所述第三空口资源}，节省了配置信令的开销。
作为一个实施例，所述第一信息包括UCI(Uplink Control Information，上行控制信息)。
作为上述实施例的一个子实施例，所述UCI包括{HARQ-ACK(Acknowledgement，确认)，CSI(Channel State Information，信道状态信息)，RI(Rank Indicator，秩标识)，CQI(Channel Quality Indicator，信道质量标识)，PMI(Precoding Matrix Indicator，预编码矩阵标识)，CRI(Channel-state information reference signals Resource Indicator，信道状态信息参考信号资源标识)}中的至少之一。
作为一个实施例，所述第一信息包括SRI(SRS Resource Indicator，探测参考信号资源标识)。
作为一个实施例，所述第一信息包括第一参数，所述第一参数等于第一数值时，所述K个第二类天线端口组不需要更新；所述第一参数不等于所述第一数值时，所述K个 第二类天线端口组需要更新。所述第一参数和所述第一数值分别是非负整数。
作为上述实施例的一个子实施例，所述第一参数等于0时，所述K个第二类天线端口组不需要更新；所述第一参数等于1时，所述K个第二类天线端口组需要更新。
作为上述实施例的一个子实施例，所述第一参数等于1时，所述K个第二类天线端口组不需要更新；所述第一参数等于0时，所述K个第二类天线端口组需要更新。
作为一个实施例，所述第一信息在上行物理层控制信道(即仅能用于承载物理层信令的上行信道)上传输。
作为上述实施例的一个子实施例，所述上行物理层控制信道是PUCCH(Physical Uplink Control CHannel，物理上行控制信道)。
作为上述实施例的一个子实施例，所述上行物理层控制信道是sPUCCH(short PUCCH，短PUCCH)。
作为上述实施例的一个子实施例，所述上行物理层控制信道是NR-PUCCH(New Radio PUCCH，新无线PUCCH)。
作为一个实施例，所述第一信息在上行物理层数据信道(即能用于承载物理层数据的上行信道)上传输。
作为上述实施例的一个子实施例，所述上行物理层数据信道是PUSCH(Physical Uplink Shared CHannel，物理上行共享信道)。
作为上述实施例的一个子实施例，所述上行物理层数据信道是sPUSCH(short PUSCH，短PUSCH)。
作为上述实施例的一个子实施例，所述上行物理层数据信道是NR-PUSCH(New Radio PUSCH，新无线PUSCH)。
作为一个实施例，针对所述第一类参考信号的测量被用于确定K1个参考向量。所述K1个参考向量发生变化时，所述第一信息被用于确定所述K个第二类天线端口组需要更新；否则，所述第一信息被用于确定所述K个第二类天线端口组不需要更新。
作为一个实施例，所述第三空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第三空口资源在时域上是多次出现的，所述第三空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。
作为一个实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的。所述实施例的好处在于，节省了配置信令的开销。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源占用的时域资源和被所述给定信息单元配置的所述第三空口资源占用的时域资源是相关联的。所述给定信息单元是任意一个所述信息单元。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔和被所述给定信息单元配置的所述第三空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。所述给定信息单元是任意一个所述信息单元。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔是被所述给定信息单元配置的所述第三空口资源在时域上任意相邻两次出现之间的时间间隔的正整数倍。所述给定信息单元是任意一个所述信息单元。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的是指：被给定信息单元配置的所述第三空口资源在时域 上任意相邻两次出现之间的时间间隔是被所述给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔的正整数倍。
作为上述实施例的一个子实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的是指：被给定信息单元配置的所述第一空口资源占用的频域资源和被所述给定信息单元配置的所述第三空口资源占用的频域资源是相关联的。所述给定信息单元是任意一个所述信息单元。
作为一个实施例，所述第三空口资源在时域上是单次出现的。
作为一个实施例，所述第一下行信息包括第五域，所述第一下行信息中的所述第五域被用于确定第四空口资源，所述第一节点在所述第四空口资源中接收第三类参考信号，针对所述第一类参考信号的测量和针对所述第三类参考信号的测量被用于确定所述第一信息。
作为上述实施例的一个子实施例，所述第四空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为上述实施例的一个子实施例，所述第三类参考信号包括{ZP(Zero Power，零功率)CSI-RS，NZP(Non Zero Power，非零功率)CSI-RS，DMRS(DeModulation Reference Signals，解调参考信号)}中的一种或多种。
作为上述实施例的一个子实施例，所述第一下行信息中的所述第五域是csi-IM-ConfigId-r11域(field)，所述第一下行信息是CSI-Process IE。
根据本申请的一个方面，其特征在于，包括：
操作第四下行信息；
其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一，所述第一节点是基站并且所述操作是发送；或者所述第一信息被用于触发所述第四下行信息，所述第一节点是用户设备并且所述操作是接收；所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
作为一个实施例，上述方法的好处在于，当通过针对所述第一类参考信号的测量或者所述第一信息发现所述K个第二类天线端口组需要更新后，及时发送所述第四下行信息来更新对所述第二类参考信息的配置，保证了基于所述第二类参考信息的信道估计的可靠性。
作为一个实施例，所述第四下行信息由高层信令携带。
作为一个实施例，所述第四下行信息由RRC信令携带。
作为一个实施例，所述第四下行信息是一个所述信息单元。
作为一个实施例，所述第一下行信息和所述第四下行信息中都包括第四域，所述第一下行信息中的所述第四域的值和所述第四下行信息中的所述第四域的值相等。
作为一个实施例，所述第四域是csi-ProcessId-r11域。
作为一个实施例，所述第四下行信息是一个IE。
作为一个实施例，所述第一下行信息和所述第四下行信息都是CSI-Process IE。
作为一个实施例，所述第四下行信息包括CSI-Process IE中的所有域(field)。
作为一个实施例，针对所述第一类参考信号的测量被用于生成所述第四下行信息是指：针对所述第一类参考信号的测量被用于确定所述K，所述第四下行信息指示所述K。
作为上述实施例的一个子实施例，所述第四下行信息隐式指示所述K。
作为上述实施例的一个子实施例，所述第四下行信息显式指示所述K。
作为一个实施例，针对所述第一类参考信号的测量被用于生成所述第四下行信息是指：针对所述第一类参考信号的测量被用于确定所述K个第二类天线端口组，所述第四下行信息指示所述K个第二类天线端口组。
作为上述实施例的一个子实施例，所述第四下行信息隐式指示所述K个第二类天线端口组。
作为上述实施例的一个子实施例，所述第四下行信息显式指示所述K个第二类天线端口组。
作为一个实施例，针对所述第一类参考信号的测量被用于确定K1个参考向量。所述K1个参考向量发生变化时，所述第四下行信息的发送被触发；否则，所述第四下行信息的发送不被触发。
作为上述实施例的一个子实施例，所述K1是不大于所述K的正整数。
作为上述实施例的一个子实施例，所述K1被用于确定所述K。
作为上述实施例的一个子实施例，所述K1个参考向量被用于确定所述K个第二类天线端口组。
作为一个实施例，所述第四下行信息的发送被触发，所述第一信息被用于确定所述K个第二类天线端口组需要更新。
作为一个实施例，所述第四下行信息的发送不被触发，所述第一信息被用于确定所述K个第二类天线端口组不需要更新。
作为一个实施例，所述第四下行信息被用于重新配置所述第二空口资源。
作为一个实施例，所述第四下行信息被用于重新配置{所述第一空口资源，所述第二空口资源}。
作为一个实施例，所述第四下行信息还被用于重新配置所述第三空口资源。
根据本申请的一个方面，其特征在于，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号，所述第一节点是用户设备。
作为一个实施例，所述信道状态信息参考信号是CSI-RS。
作为一个实施例，所述探测参考信号是SRS。
根据本申请的一个方面，其特征在于，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号，所述第一节点是基站。
根据本申请的一个方面，其特征在于，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为一个实施例，所述第一下行信息中的所述第四域的值和所述第四下行信息中的所述第四域的值相等，所述第一下行信息和所述第四下行信息都是所述信息单元。
作为一个实施例，所述第四域是csi-ProcessId-r11域，所述信息单元是CSI-Process IE。
作为一个实施例，所述第四域的值是非负整数。
本申请公开了一种被用于多天线传输的第二节点中的方法，其中，包括：
执行第一下行信息；
其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述第二节点，所述第二类参考信号的目标接收者包括所述第二节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
作为一个实施例，所述信息单元是一个IE。
作为一个实施例，所述信息单元是CSI-Process IE。
作为一个实施例，所述第一域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第二域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第一空口资源包括CSI-RS资源(resource)，所述第二节点是基站。
作为一个实施例，所述第一空口资源包括SRS资源(resource)，所述第二节点是用 户设备。
作为一个实施例，所述第二空口资源包括SRS资源(resource)，所述第二节点是基站。
作为一个实施例，所述第二空口资源包括CSI-RS资源(resource)，所述第二节点是用户设备。
作为一个实施例，所述第一类参考信号包括CSI-RS，所述第二节点是基站。
作为一个实施例，所述第二类参考信号包括SRS，所述第二节点是基站。
作为一个实施例，所述第一类参考信号包括SRS，所述第二节点是用户设备。
作为一个实施例，所述第二类参考信号包括CSI-RS，所述第二节点是用户设备。
作为一个实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的。
根据本申请的一个方面，其特征在于，包括：
执行Q1个第二下行信息和Q2个第三下行信息；
其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识；所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识；所述Q1和所述Q2分别是正整数；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
作为一个实施例，所述第二下行信息是一个IE。
作为一个实施例，所述第二下行信息是CSI-RS-Config IE，所述第二节点是基站。
作为一个实施例，所述第二下行信息是SoundingRS-UL-Config IE，所述第二节点是用户设备。
作为一个实施例，所述第三下行信息是一个IE。
作为一个实施例，所述第三下行信息是SoundingRS-UL-Config IE，所述第二节点是基站。
作为一个实施例，所述第三下行信息是CSI-RS-Config IE，所述第二节点是用户设备。
根据本申请的一个方面，其特征在于，包括：
执行下行信令；
其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
根据本申请的一个方面，其特征在于，包括：
在所述第一空口资源中发送所述第一类参考信号；
在所述第二空口资源中接收所述第二类参考信号；
其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，针对所述第一类参考信号的测量被用于确定所述K个第二类天线端口组。
作为一个实施例，所述正整数个第一类天线端口中的任一给定第一类天线端口是由多根第一类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第一类天线到所述任一给定第一类天线端口的映射系数组成所述任一给定第一类天线端口对应的第一类波束赋型向量。一个第一类波束赋型向量是由一个第一类模拟波束赋型向量和一个第一类数字波束赋型向量的Kronecker积所构成的。所述多根第一类天线是所述第二节点所配置的天线。
作为一个实施例，所述正整数个第二类天线端口中的任一给定第二类天线端口是由多根第二类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第二类天线到所述任一给定第二类天线端口的映射系数组成所述任一给定第二类天线端口对应的第二类波束赋型向量。一个第二类波束赋型向量是由一个第二类模拟波束赋型向量和一个第二类数字波束赋型向量的Kronecker积所构成的。所述多根第二类天线是所述第二类参考信号的发送者所配置的天线。
根据本申请的一个方面，其特征在于，包括：
接收第一信息；
其中，针对所述第一类参考信号的测量被用于确定所述第一信息；所述第一信息被用于确定所述K个第二类天线端口组是否需要更新；所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送；所述第二节点是基站。
作为一个实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的。
根据本申请的一个方面，其特征在于，包括：
执行第四下行信息；
其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一，所述第二节点是用户设备并且所述执行是接收；或者所述第一信息被用于触发所述第四下行信息，所述第二节点是基站并且所述执行是发送；所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
作为一个实施例，所述第四下行信息是一个所述信息单元。
作为一个实施例，所述第四域是csi-ProcessId-r11域。
作为一个实施例，所述第一下行信息和所述第四下行信息都是CSI-Process IE。
根据本申请的一个方面，其特征在于，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号，所述第二节点是基站。
根据本申请的一个方面，其特征在于，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号，所述第二节点是用户设备。
根据本申请的一个方面，其特征在于，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为一个实施例，所述第一下行信息中的所述第四域的值和所述第四下行信息中的所述第四域的值相等，所述第一下行信息和所述第四下行信息都是所述信息单元。
本申请公开了一种被用于多天线传输的第一节点中的设备，其中，包括：
第一处理模块，操作第一下行信息；
其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点；针对所述第一类参考信号的测 量被用于生成所述第二类参考信号；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第一处理模块还操作Q1个第二下行信息和Q2个第三下行信息。其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。所述第一节点是用户设备并且所述操作是接收；或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第一处理模块还操作下行信令。其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。所述第一节点是用户设备并且所述操作是接收；或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号，所述第一节点是用户设备。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号，所述第一节点是基站。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，包括：
第二处理模块，在所述第一空口资源中接收所述第一类参考信号；
第三处理模块，在所述第二空口资源中发送所述第二类参考信号；
其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第二处理模块还发送第一信息。其中，针对所述第一类参考信号的测量被用于确定所述第一信息。所述第一信息被用于确定所述K个第二类天线端口组是否需要更新。所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送。所述第一节点是用户设备。
作为一个实施例，上述被用于多天线传输的第一节点中的设备的特征在于，所述第三处理模块还用于操作第四下行信息。其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一，所述第一节点是基站并且所述操作是发送；或者所述第一信息被用于触发所述第四下行信息，所述第一节点是用户设备并且所述操作是接收。所述第四下行信息被用于重新配置所述第一空口资源和所 述第二空口资源中的至少后者。
本申请公开了一种被用于多天线传输的第二节点中的设备，其中，包括：
第四处理模块，执行第一下行信息；
其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述第二节点，所述第二类参考信号的目标接收者包括所述第二节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第四处理模块还执行Q1个第二下行信息和Q2个第三下行信息。其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。所述第二节点是基站并且所述执行是发送；或者所述第二节点是用户设备并且所述执行是接收。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第四处理模块还执行下行信令。其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。所述第二节点是基站并且所述执行是发送；或者所述第二节点是用户设备并且所述执行是接收。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号，所述第二节点是基站。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号，所述第二节点是用户设备。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，包括：
第五处理模块，在所述第一空口资源中发送所述第一类参考信号；
第六处理模块，在所述第二空口资源中接收所述第二类参考信号；
其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第五处理模块还接收第一信息。其中，针对所述第一类参考信号的测量被用于确定所述第 一信息。所述第一信息被用于确定所述K个第二类天线端口组是否需要更新。所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送。所述第二节点是基站。
作为一个实施例，上述被用于多天线传输的第二节点中的设备的特征在于，所述第六处理模块还执行第四下行信息。其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一，所述第二节点是用户设备并且所述执行是接收；或者所述第一信息被用于触发所述第四下行信息，所述第二节点是基站并且所述执行是发送。所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
作为一个实施例，和传统方案相比，本申请具备如下优势：
-.通过在上下行参考信号之间建立关联，可以利用信道互易性，根据针对下/上参考信号的测量来确定上/下参考信号的发送波束赋型方向，降低了上/下行参考信号的开销。
-.使用同一个信息单元同时配置上下行参考信号，降低了在上下行参考信号之间建立关联所相关的配置信令的开销。
-.除了配置上下行参考信号，同一个信息单元还用于配置一个反馈信道，当用户设备通过对下行参考信号的测量发现相应的上行参考信号的波束赋型方向需要更新时，可以通过这个反馈信道把这一信息及时反馈给基站，以便基站做出相应处理。
-.当基站通过对上行参考信号的测量或者用户反馈获知下/上行参考信号的波束赋型方向需要更新时，能及时更新对下/上行参考信号的配置，保证了下/上行信道估计的可靠性。
附图说明
通过阅读参照以下附图中的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更加明显：
图1示出了根据本申请的一个实施例的无线传输的流程图；
图2示出了根据本申请的另一个实施例的无线传输的流程图；
图3示出了根据本申请的一个实施例的第一下行信息的内容的示意图；
图4示出了根据本申请的一个实施例的{第一下行信息，Q1个第二下行信息，Q2个第三下行信息}之间关系的示意图；
图5示出了根据本申请的一个实施例的第一下行信息和第四下行信息之间关系的示意图；
图6示出了根据本申请的一个实施例的如何根据针对第一类参考信号的测量生成第二类参考信号的示意图；
图7示出了根据本申请的一个实施例的第一空口资源，第二空口资源和第三空口资源在时域上的关系的示意图；
图8示出了根据本申请的一个实施例的用于第一节点中的处理装置的结构框图；
图9示出了根据本申请的一个实施例的用于第二节点中的处理装置的结构框图；
图10示出了根据本申请的另一个实施例的用于第一节点中的处理装置的结构框图；
图11示出了根据本申请的另一个实施例的用于第二节点中的处理装置的结构框图；
图12示出了根据本申请的一个实施例的第一下行信息的流程图；
图13示出了根据本申请的一个实施例的网络架构的示意图；
图14示出了根据本申请的一个实施例的用户平面和控制平面的无线协议架构的实施例的示意图；
图15示出了根据本申请的一个实施例的NR(New Radio，新无线)节点和UE的示意图。
实施例1
实施例1示例了无线传输的流程图，如附图1所示。附图1中，基站N1是用户设备U2的服务小区维持基站。附图1中，方框F1～方框F7中的步骤分别是可选的。
对于N1，在步骤S101中发送Q1个第二下行信息；在步骤S102中发送Q2个第三下行信息；在步骤S11中发送第一下行信息；在步骤S103中发送下行信令；在步骤S104中在第一空口资源中发送第一类参考信号；在步骤S105中在第二空口资源中接收第二类参考信号；在步骤S106中接收第一信息；在步骤S107中发送第四下行信息。
对于U2，在步骤S201中接收Q1个第二下行信息；在步骤S202中接收Q2个第三下行信息；在步骤S21中接收第一下行信息；在步骤S203中接收下行信令；在步骤S204中在第一空口资源中接收第一类参考信号；在步骤S205中在第二空口资源中发送第二类参考信号；在步骤S206中发送第一信息；在步骤S207中接收第四下行信息。
在实施例1中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被所述U2用于确定所述第一空口资源，所述第一下行信息中的所述第二域被所述U2用于确定所述第二空口资源。所述第一空口资源被预留给所述第一类参考信号，所述第二空口资源被预留给所述第二类参考信号。所述第一类参考信号的发送者是所述N1，所述第一类参考信号的目标接收者包括所述U2，所述第二类参考信号的发送者是所述U2，所述第二类参考信号的目标接收者包括所述N1。针对所述第一类参考信号的测量被所述U2用于生成所述第二类参考信号。所述Q1个第二下行信息分别被所述U2用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被所述U2用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被所述U2用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被所述U2用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。针对所述第一类参考信号的测量被所述U2用于确定所述第一信息。所述第一信息被所述N1用于确定所述K个第二类天线端口组是否需要更新。所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被所述U2用于确定第三空口资源，所述第一信息在所述第三空口资源中发送。所述第一信息被用于触发所述第四下行信息，所述第四下行信息被所述N1用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
作为一个实施例，所述第一下行信息由高层信令携带。
作为一个实施例，所述第一下行信息由RRC信令携带。
作为一个实施例，所述信息单元是一个IE。
作为一个实施例，所述信息单元是CSI-Process IE。
作为一个实施例，所述第一域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第一空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第一空口资源包括CSI-RS资源(resource)。
作为一个实施例，所述第二空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第二空口资源包括SRS资源(resource)。
作为一个实施例，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号。
作为上述实施例的一个子实施例，所述信道状态信息参考信号是CSI-RS。
作为上述实施例的一个子实施例，所述探测参考信号是SRS。
作为一个实施例，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为上述实施例的一个子实施例，所述第四域是csi-ProcessId-r11域。
作为一个实施例，所述第一空口资源在时域上是多次出现的，所述第一空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。
作为一个实施例，所述第一空口资源在时域上是单次出现的。
作为一个实施例，所述第二空口资源在时域上是多次出现的，所述第二空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。
作为一个实施例，所述第二空口资源在时域上是单次出现的。
作为一个实施例，被同一个所述信息单元配置的所述第一空口资源和所述第二空口资源是相关联的。
作为一个实施例，所述第二下行信息由高层信令携带。
作为一个实施例，所述第二下行信息由RRC信令携带。
作为一个实施例，所述第三下行信息由高层信令携带。
作为一个实施例，所述第三下行信息由RRC信令携带。
作为一个实施例，所述第二下行信息是一个IE。
作为一个实施例，所述第二下行信息是CSI-RS-Config IE。
作为一个实施例，所述第三下行信息是一个IE。
作为一个实施例，所述第三下行信息是SoundingRS-UL-Config IE。
作为一个实施例，所述下行信令是MAC CE信令。
作为一个实施例，所述下行信令是物理层信令。
作为一个实施例，针对所述第一类参考信号的测量被所述U2用于确定所述K个第二类天线端口组。
作为一个实施例，所述正整数个第一类天线端口中的任一给定第一类天线端口是由多根第一类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第一类天线到所述任一给定第一类天线端口的映射系数组成所述任一给定第一类天线端口对应的第一类波束赋型向量。一个第一类波束赋型向量是由一个第一类模拟波束赋型向量和一个第一类数字波束赋型向量的Kronecker积所构成的。所述多根第一类天线是所述N1所配置的天线。
作为一个实施例，所述正整数个第二类天线端口中的任一给定第二类天线端口是由多根第二类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第二类天线到所述任一给定第二类天线端口的映射系数组成所述任一给定第二类天线端口对应的第二类波束赋型向量。一个第二类波束赋型向量是由一个第二类模拟波束赋型向量和一个第二类数字波束赋型向量的Kronecker积所构成的。所述多根第二类天线是所述U2所配置的天线。
作为一个实施例，所述第一信息包括UCI。
作为上述实施例的一个子实施例，所述UCI包括{HARQ-ACK，CSI，RI，CQI，PMI，CRI}中的至少之一。
作为一个实施例，所述第一信息包括第一参数，所述第一参数等于第一数值时，所述K个第二类天线端口组不需要更新；所述第一参数不等于所述第一数值时，所述K个第二类天线端口组需要更新。所述第一参数和所述第一数值分别是非负整数。
作为一个实施例，针对所述第一类参考信号的测量被所述U2用于确定所述K个第二类天线端口组。所述所述K个第二类天线端口组发生变化时，所述第一信息指示所述K个第二类天线端口组需要更新；否则，所述第一信息指示所述K个第二类天线端口组不需要更新。
作为一个实施例，针对所述第一类参考信号的测量被所述U2用于确定K1个参考向量。所述K1个参考向量发生变化时，所述第一信息指示所述K个第二类天线端口组需要更新；否则，所述第一信息指示所述K个第二类天线端口组不需要更新。
作为一个实施例，所述第三空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第三空口资源在时域上是多次出现的，所述第三空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。
作为一个实施例，所述第三空口资源在时域上是单次出现的。
作为一个实施例，被同一个所述信息单元配置的所述第一空口资源和所述第三空口资源是相关联的。
作为一个实施例，所述第四下行信息由高层信令携带。
作为一个实施例，所述第四下行信息由RRC信令携带。
作为一个实施例，所述第四下行信息是一个所述信息单元。
作为一个实施例，所述第一下行信息和所述第四下行信息中都包括第四域，所述第一下行信息中的所述第四域的值和所述第四下行信息中的所述第四域的值相等。
作为一个实施例，所述第一下行信息和所述第四下行信息都是CSI-Process IE。
作为一个实施例，所述第四下行信息的发送被触发，所述第一信息指示所述K个第二类天线端口组需要更新。
作为一个实施例，所述第四下行信息的发送不被触发，所述第一信息指示所述K个第二类天线端口组不需要更新。
作为一个实施例，附图1中的方框F1～方框F7都存在。
作为一个实施例，附图1中的方框F1,方框F2,方框F4和方框F5都存在，方框F3，方框F6和方框F7都不存在。
作为一个实施例，附图1中的方框F1～方框F5都存在，方框F6和方框F7都不存在。
作为一个实施例，附图1中的方框F1,方框F2,方框F4，方框F5和方框F6都存在，方框F3和方框F7都不存在。
作为一个实施例，附图1中的方框F1,方框F2,方框F4，方框F5，方框F6和方框F7都存在，方框F3不存在。
作为一个实施例，附图1中的方框F1～方框F7都不存在。
实施例2
实施例2示例了无线传输的流程图，如附图2所示。附图2中，基站N3是用户设备U4的服务小区维持基站。附图2中，方框F8～方框F13中的步骤分别是可选的。
对于N3，在步骤S301中发送Q1个第二下行信息；在步骤S302中发送Q2个第三下行信息；在步骤S31中发送第一下行信息；在步骤S303中发送下行信令；在步骤S304中在第一空口资源中接收第一类参考信号；在步骤S305中在第二空口资源中发送第二类参考信号；在步骤S306中发送第四下行信息。
对于U4，在步骤S401中接收Q1个第二下行信息；在步骤S402中接收Q2个第三下行信息；在步骤S41中接收第一下行信息；在步骤S403中接收下行信令；在步骤S404 中在第一空口资源中发送第一类参考信号；在步骤S405中在第二空口资源中接收第二类参考信号；在步骤S406中接收第四下行信息。
在实施例2中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被所述U4用于确定所述第一空口资源，所述第一下行信息中的所述第二域被所述U4用于确定所述第二空口资源。所述第一空口资源被预留给所述第一类参考信号，所述第二空口资源被预留给所述第二类参考信号。所述第一类参考信号的发送者是所述U4，所述第一类参考信号的目标接收者包括所述N3，所述第二类参考信号的发送者是所述N3，所述第二类参考信号的目标接收者包括所述U4。针对所述第一类参考信号的测量被所述N3用于生成所述第二类参考信号。所述Q1个第二下行信息分别被所述U4用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被所述U4用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被所述U4用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被所述U4用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。针对所述第一类参考信号的测量被所述N3用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一。所述第四下行信息被所述N3用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
作为一个实施例，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号。
作为一个实施例，所述第一空口资源包括SRS资源(resource)。
作为一个实施例，所述第二空口资源包括CSI-RS资源(resource)。
作为一个实施例，所述第二域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第二下行信息是SoundingRS-UL-Config IE。
作为一个实施例，所述第三下行信息是CSI-RS-Config IE。
作为一个实施例，所述正整数个第一类天线端口中的任一给定第一类天线端口是由多根第一类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第一类天线到所述任一给定第一类天线端口的映射系数组成所述任一给定第一类天线端口对应的第一类波束赋型向量。一个第一类波束赋型向量是由一个第一类模拟波束赋型向量和一个第一类数字波束赋型向量的Kronecker积所构成的。所述多根第一类天线是所述U4所配置的天线。
作为一个实施例，所述正整数个第二类天线端口中的任一给定第二类天线端口是由多根第二类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第二类天线到所述任一给定第二类天线端口的映射系数组成所述任一给定第二类天线端口对应的第二类波束赋型向量。一个第二类波束赋型向量是由一个第二类模拟波束赋型向量和一个第二类数字波束赋型向量的Kronecker积所构成的。所述多根第二类天线是所述N3所配置的天线。
作为一个实施例，针对所述第一类参考信号的测量被所述N3用于生成所述第四下行信息是指：针对所述第一类参考信号的测量被所述N3用于确定所述K，所述第四下行信息指示所述K。
作为一个实施例，针对所述第一类参考信号的测量被所述N3用于生成所述第四下行信息是指：针对所述第一类参考信号的测量被所述N3用于确定所述K个第二类天线端口组，所述第四下行信息指示所述K个第二类天线端口组。
作为一个实施例，针对所述第一类参考信号的测量被所述N3用于确定所述K个第二类天线端口组。所述K个第二类天线端口组发生变化时，所述第四下行信息的发送被触发；否则，所述第四下行信息的发送不被触发。
作为一个实施例，针对所述第一类参考信号的测量被所述N3用于确定K1个参考向量。所述K1个参考向量发生变化时，所述第四下行信息的发送被触发；否则，所述第四下行信息的发送不被触发。
作为上述实施例的一个子实施例，所述K1是不大于所述K的正整数。
作为上述实施例的一个子实施例，所述K1被用于确定所述K。
作为上述实施例的一个子实施例，所述K1个参考向量被用于确定所述K个第二类天线端口组。
作为一个实施例，附图2中的方框F8～方框F13都存在。
作为一个实施例，附图2中的方框F8,方框F9,方框F11和方框F12都存在，方框F10和方框F13都不存在。
作为一个实施例，附图2中的方框F8～方框F12都存在，方框F13不存在。
作为一个实施例，附图2中的方框F8，方框F9，方框F10，方框F11和方框F1都3存在，方框F12不存在。
作为一个实施例，附图2中的方框F8，方框F9，方框F11和方框F13都存在，方框F10和方框F12都不存在。
作为一个实施例，附图2中的方框F8～方框F13都不存在。
实施例3
实施例3示例了第一下行信息的内容的示意图，如附图3所示。
在实施例3中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域，第二域，第三域和第四域。所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。所述第一空口资源被预留给本申请中的所述第一类参考信号，所述第二空口资源被预留给本申请中的所述第二类参考信号。本申请中的所述第一信息在所述第三空口资源中发送。
作为一个实施例，所述信息单元是一个IE。
作为一个实施例，所述信息单元是CSI-Process IE。
作为一个实施例，所述第一下行信息是CSI-Process IE。
作为一个实施例，所述第一下行信息包括CSI-Process IE中的所有域(field)。
作为一个实施例，所述第一域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第二域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第四域是csi-ProcessId-r11域(field)。
作为一个实施例，所述第一下行信息包括第五域，所述第一下行信息中的所述第五域被用于确定第四空口资源，本申请中的所述第一节点在所述第四空口资源中接收第三类参考信号，针对所述第一类参考信号的测量和针对所述第三类参考信号的测量被用于确定所述第一信息。
作为上述实施例的一个子实施例，所述第四空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为上述实施例的一个子实施例，所述第三类参考信号包括{ZP CSI-RS，NZP CSI-RS，DMRS}中的一种或多种。
作为上述实施例的一个子实施例，所述第五域是csi-IM-ConfigId-r11域(field)。
实施例4
实施例4示例了{第一下行信息，Q1个第二下行信息，Q2个第三下行信息}之间关系的示意图，如附图4所示。
在实施例4中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源。所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。
在附图4中，所述Q1个第二下行信息，所述Q1个第一类空口资源和所述Q1个第一类标识的索引分别是#{0，1，…，Q1-1}；所述Q2个第三下行信息，所述Q2个第二类空口资源和所述Q2个第二类标识的索引分别是#{0，1，…，Q2-1}。第一类标识#x的值等于所述第一标识，所述第一空口资源是第一类空口资源#x，其中x是小于所述Q1的非负整数。第二类标识#y的值等于所述第二标识，所述第二空口资源是第二类空口资源#y，其中y是小于所述Q2的非负整数。
作为一个实施例，所述第二下行信息是一个IE。
作为一个实施例，所述第二下行信息是CSI-RS-Config IE，本申请中的所述第一节点是用户设备，本申请中的所述第二节点是基站。
作为一个实施例，所述第二下行信息是SoundingRS-UL-Config IE，所述第一节点是基站，所述第二节点是用户设备。
作为一个实施例，所述第三下行信息是一个IE。
作为一个实施例，所述第三下行信息是SoundingRS-UL-Config IE，所述第一节点是用户设备，所述第二节点是基站。
作为一个实施例，所述第三下行信息是CSI-RS-Config IE，所述第一节点是基站，所述第二节点是用户设备。
作为一个实施例，所述第一下行信息中的所述第一域指示所述第一标识。
作为一个实施例，所述第一下行信息中的所述第二域指示所述第二标识。
作为一个实施例，所述Q1个第一类标识分别是非负整数。
作为一个实施例，所述Q2个第二类标识分别是非负整数。
作为一个实施例，所述第一标识是非负整数。
作为一个实施例，所述第二标识是非负整数。
实施例5
实施例5示例了第一下行信息和第四下行信息之间关系的示意图，如附图5所示。
在实施例5中，所述第一下行信息和所述第四下行信息分别是一个信息单元，所述第一下行信息和所述第四下行信息分别包括第一域，第二域和第四域。所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第四下行信息中的所述第一域被用于重新配置所述第一空口资源。所述第一下行信息中的所述第二域被用于确定第二空口资源，所述第四下行信息中的所述第二域被用于重新配置所述第二空口资源。所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元，所述第四下行信息中的所述第四域被用于标识所述第四下行信息对应的所述信息单元。所述第一下行信息中的所述第四域的值和所述第四下行信息中的所述第四域的值相等。
作为一个实施例，所述第一下行信息和所述第四下行信息都是CSI-Process IE。
作为一个实施例，所述第一域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第二域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第四域是csi-ProcessId-r11域。
作为一个实施例，所述第一下行信息中的所述第一域被用于确定第一标识，所述第四下行信息中的所述第一域被用于确定第三标识，所述第一标识和所述第三标识分别是本申请中的所述Q1个第一类标识中的一个第一类标识。
作为上述实施例的一个子实施例，所述第一标识等于所述第三标识。
作为上述实施例的一个子实施例，所述第一标识不等于所述第三标识。
作为一个实施例，所述第一下行信息中的所述第二域被用于确定第二标识，所述第四下行信息中的所述第二域被用于确定第四标识，所述第二标识和所述第四标识分别是本申请中的所述Q2个第二类标识中的一个第二类标识。
作为上述实施例的一个子实施例，所述第二标识不等于所述第四标识。
实施例6
实施例6示例了如何根据针对第一类参考信号的测量生成第二类参考信号的示意图，如附图6所示。
在实施例6中，本申请中的所述第二节点在第一空口资源中发送所述第一类参考信号，本申请中的所述第一节点在第二空口资源中发送所述第二类参考信号。所述第一空口资源包括M个第一子资源，所述第一类参考信号包括M个第一类子信号，所述M个第一类子信号分别在所述M个第一子资源中被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号包括K个第二类子信号，所述K个第二类子信号分别在所述K个第二子资源中被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。针对K1个第一类子信号的测量分别被用于确定K1个参考向量，所述K1个参考向量被用于确定所述K个第二类天线端口组。所述K1个第一类子信号是所述M个第一类子信号的子集，所述K1是不大于所述M，并且不大于所述K的正整数。
在附图6中，实线边框的白色填充椭圆和实线边框斜线填充的椭圆共同表示所述第一类参考信号，实线边框斜线填充的椭圆表示所述K1个第一类子信号，虚线边框方格填充的椭圆和虚线边框小点填充的椭圆共同表示所述第二类参考信号。
作为一个实施例，针对所述M个第一类子信号的测量分别被用于确定M个第一测量值，所述K1个第一类子信号是所述M个第一类子信号中对应所述M个第一测量值中最大的K1个第一测量值的第一类子信号。
作为一个实施例，针对所述M个第一类子信号的测量分别被用于确定M个参考向量，所述K1个参考向量是所述M个参考向量的子集。所述M个参考向量中的任意一个参考向量属于天线虚拟化向量集合，所述天线虚拟化向量集合包括正整数个天线虚拟化向量。
作为一个实施例，对于所述M个第一类子信号中的任意给定第一类子信号，用所述 M个参考向量中和所述给定第一类子信号对应的参考向量对所述给定第一类子信号进行接收时，所述给定第一类子信号的接收质量高于用所述天线虚拟化向量集合中的其他天线虚拟化向量对所述给定第一类子信号进行接收时，所述给定第一类子信号的接收质量。
作为上述实施例的一个子实施例，所述接收质量是CQI。
作为上述实施例的一个子实施例，所述接收质量是RSRP。
作为上述实施例的一个子实施例，所述接收质量是RSRQ。
作为一个实施例，所述M个第一测量值中的任一第一测量值是用所述M个参考向量中对应的参考向量接收所述M个第一类子信号对应的所述第一类子信号时得到的接收质量。
作为一个实施例，所述正整数个第一类天线端口中的任一给定第一类天线端口是由多根第一类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第一类天线到所述任一给定第一类天线端口的映射系数组成所述任一给定第一类天线端口对应的第一类波束赋型向量。一个第一类波束赋型向量是由一个第一类模拟波束赋型向量和一个第一类数字波束赋型向量的Kronecker积所构成的。所述多根第一类天线是所述第二节点所配置的天线。
作为一个实施例，所述M个第一类天线端口组中的任一第一类天线端口组中的不同第一类天线端口对应相同的第一类模拟波束赋型向量。
作为一个实施例，所述M个第一类天线端口组中的任一第一类天线端口组中的不同第一类天线端口对应不同的第一类数字波束赋型向量。
作为一个实施例，所述M个第一类天线端口组中不同的第一类天线端口组对应不同的第一类模拟波束赋型向量。
作为一个实施例，所述正整数个第二类天线端口中的任一给定第二类天线端口是由多根第二类天线通过天线虚拟化(Virtualization)叠加而成，所述多根第二类天线到所述任一给定第二类天线端口的映射系数组成所述任一给定第二类天线端口对应的第二类波束赋型向量。一个第二类波束赋型向量是由一个第二类模拟波束赋型向量和一个第二类数字波束赋型向量的Kronecker积所构成的。所述多根第二类天线是所述第一节点所配置的天线。
作为一个实施例，所述K个第二类天线端口组中的任一第二类天线端口组中的不同第二类天线端口对应相同的第二类模拟波束赋型向量。
作为一个实施例，所述K个第二类天线端口组中的任一第二类天线端口组中的不同第二类天线端口对应不同的第二类数字波束赋型向量。
作为一个实施例，所述K个第二类天线端口组中不同的第二类天线端口组对应不同的第二类模拟波束赋型向量。
作为一个实施例，所述K1个参考向量被用于确定K个第二类模拟波束赋型向量，所述K个第二类模拟波束赋型向量分别是所述K个第二类天线端口组对应的第二类模拟波束赋型向量。
作为一个实施例，所述K1小于或者等于所述K，所述K个第二类模拟波束赋型向量中有K1个第二类模拟波束赋型向量分别等于所述K1个参考向量。在附图6中，虚线边框方格填充的椭圆表示用所述K1个参考向量分别作为第二类模拟波束赋型向量所得到的第二类天线端口组。在附图6中，虚线边框小点填充的椭圆表示所述K个第二类模拟波束赋型向量中不属于所述K1个参考向量的第二类模拟波束赋型向量所对应的第二类天线端口组。在附图6中，虚线边框的椭圆表示用所述天线虚拟化向量集合中的天线虚拟化向量作为第二类模拟波束赋型向量所得到的第二类天线端口组。
作为上述实施例的一个子实施例，所述K个第二类模拟波束赋型向量中的任意一个第二类模拟波束赋型向量是所述天线虚拟化向量集合中的一个天线虚拟化向量。
作为一个实施例，所述M个第一子资源中任意两个第一子资源占用的时域资源是相 互正交(不重叠)的。
作为一个实施例，所述M个第一子资源中至少存在两个第一子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述M个第一子资源中至少存在两个第一子资源占用的时域资源是相同的。
作为一个实施例，所述K个第二子资源中任意两个第二子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述K个第二子资源中至少存在两个第二子资源占用的时域资源是相互正交(不重叠)的。
作为一个实施例，所述K个第二子资源中至少存在两个第二子资源占用的时域资源是相同的。
实施例7
实施例7示例了第一空口资源，第二空口资源和第三空口资源在时域上的关系的示意图，如附图7所示。
在实施例7中，所述第一空口资源，所述第二空口资源和所述第三空口资源在时域上分别是多次出现的。所述第一空口资源在时域上任意相邻两次出现之间的时间间隔是相等的，所述第二空口资源在时域上任意相邻两次出现之间的时间间隔是相等的，所述第三空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。所述第一空口资源，所述第二空口资源和所述第三空口资源被同一个本申请中的所述信息单元配置。被同一个所述信息单元配置的所述第一空口资源，所述第二空口资源和所述第三空口资源是相关联的。
在附图7中，左斜线填充的方框表示所述第一空口资源，右斜线填充的方框表示所述第二空口资源，方格填充的方框表示所述第三空口资源。
作为一个实施例，被给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔和被所述给定信息单元配置的所述第二空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。被给定信息单元配置的所述第一空口资源在时域上任意相邻两次出现之间的时间间隔和被所述给定信息单元配置的所述第三空口资源在时域上任意相邻两次出现之间的时间间隔是相等的。所述给定信息单元是任意一个所述信息单元。
实施例8
实施例8示例了用于第一节点中的处理装置的结构框图，如附图8所示。在附图8中，第一节点中的处理装置200主要由第一处理模块201，第二处理模块202和第三处理模块203组成。
在实施例8中，第一处理模块201接收第一下行信息；第二处理模块202在第一空口资源中接收第一类参考信号；第三处理模块203在第二空口资源中发送第二类参考信号。
在实施例8中，所述第一节点是用户设备。所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被所述第二处理模块202用于确定所述第一空口资源，所述第一下行信息中的所述第二域被所述第三处理模块203用于确定所述第二空口资源。所述第一空口资源被预留给所述第一类参考信号，所述第二空口资源被预留给所述第二类参考信号。所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点。针对所述第一类参考信号的测量被第三处理模块203用于生成所述第二类参考信号。所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述 K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，所述第一处理模块201还接收Q1个第二下行信息和Q2个第三下行信息。其中，所述Q1个第二下行信息分别被所述第二处理模块202用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被所述第二处理模块202用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被所述第三处理模块203用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被所述第三处理模块203用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。
作为一个实施例，所述第一处理模块201还接收下行信令。其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。
作为一个实施例，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号。
作为一个实施例，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为一个实施例，所述第二处理模块202还发送第一信息。其中，针对所述第一类参考信号的测量被所述第二处理模块202用于确定所述第一信息。所述第一信息被用于确定所述K个第二类天线端口组是否需要更新。所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被所述第二处理模块202用于确定第三空口资源，所述第一信息在所述第三空口资源中发送。
作为一个实施例，所述第三处理模块203还接收第四下行信息。其中，所述第一信息被用于触发所述第四下行信息。所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
实施例9
实施例9示例了用于第二节点中的处理装置的结构框图，如附图9所示。在附图9中，第二节点中的处理装置300主要由第四处理模块301，第五处理模块302和第六处理模块303组成。
在实施例9中，第四处理模块301发送第一下行信息；第五处理模块302在第一空口资源中发送第一类参考信号；第六处理模块303在第二空口资源中接收第二类参考信号。
在实施例9中，所述第二节点是基站。所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定所述第一空口资源，所述第一下行信息中的所述第二域被用于确定所述第二空口资源。所述第一空口资源被预留给所述第一类参考信号，所述第二空口资源被预留给所述第二类参考信号。所述第一类参考信号的发送者是所述第二节点，所述第二类参考信号的目标接收者包括所述第二节点。针对所述第一类参考信号的测量被用于生成所述第二类参考信号。所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述 K分别是正整数。
作为一个实施例，所述第四处理模块301还发送Q1个第二下行信息和Q2个第三下行信息。其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。
作为一个实施例，所述第四处理模块301还发送下行信令。其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。
作为一个实施例，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号。
作为一个实施例，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的所述信息单元。
作为一个实施例，所述第五处理模块302还接收第一信息。其中，针对所述第一类参考信号的测量被用于确定所述第一信息。所述第一信息被所述第四处理模块301用于确定所述K个第二类天线端口组是否需要更新。所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送。
作为一个实施例，所述第六处理模块303还发送第四下行信息。其中，所述第一信息被用于触发所述第四下行信息。所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源}的至少后者。
实施例10
实施例10示例了用于第一节点中的处理装置的结构框图，如附图10所示。在附图10中，第一节点中的处理装置400主要由第一处理模块401，第二处理模块402和第三处理模块403组成。
在实施例10中，第一处理模块401发送第一下行信息；第二处理模块402在第一空口资源中接收第一类参考信号；第三处理模块403在第二空口资源中发送第二类参考信号。
在实施例10中，所述第一节点是基站。所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定所述第一空口资源，所述第一下行信息中的所述第二域被用于确定所述第二空口资源。所述第一空口资源被预留给所述第一类参考信号，所述第二空口资源被预留给所述第二类参考信号。所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点。针对所述第一类参考信号的测量被所述第三处理模块403用于生成所述第二类参考信号。所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，所述第一处理模块401还发送Q1个第二下行信息和Q2个第三下 行信息。其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。
作为一个实施例，所述第一处理模块401还发送下行信令。其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。
作为一个实施例，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号。
作为一个实施例，所述第三处理模块403还发送第四下行信息。其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一。所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
实施例11
实施例11示例了用于第二节点中的处理装置的结构框图，如附图11所示。在附图11中，第二节点中的处理装置500主要由第四处理模块501，第五处理模块502和第六处理模块503组成。
在实施例11中，第四处理模块501接收第一下行信息；第五处理模块502在第一空口资源中发送第一类参考信号；第六处理模块503在第二空口资源中接收第二类参考信号。
在实施例11中，所述第二节点是用户设备。所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被所述第五处理模块502用于确定所述第一空口资源，所述第一下行信息中的所述第二域被所述第六处理模块503用于确定所述第二空口资源。所述第一空口资源被预留给所述第一类参考信号，所述第二空口资源被预留给所述第二类参考信号。所述第一类参考信号的发送者是所述第二节点，所述第二类参考信号的目标接收者包括所述第二节点。针对所述第一类参考信号的测量被用于生成所述第二类参考信号。所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送。所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送。所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
作为一个实施例，所述第四处理模块501还接收Q1个第二下行信息和Q2个第三下行信息。其中，所述Q1个第二下行信息分别被所述第五处理模块502用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被所述第五处理模块502用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识。所述Q2个第三下行信息分别被所述第六处理模块503用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被所述第六处理模块503用于确定第二标识，所述第二空口资源是所述Q2个第 二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识。所述Q1和所述Q2分别是正整数。
作为一个实施例，所述第四处理模块501还接收下行信令。其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送。
作为一个实施例，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号。
作为一个实施例，所述第六处理模块503还接收第四下行信息。其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一。所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
实施例12
实施例12示例了第一下行信息的流程图，如附图12所示。
在实施例12中，本申请中的所述第一节点操作第一下行信息；其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
作为一个实施例，所述第一下行信息由高层信令携带。
作为一个实施例，所述第一下行信息由RRC信令携带。
作为一个实施例，所述信息单元是一个IE。
作为一个实施例，所述信息单元是CSI-Process IE。
作为一个实施例，所述第一下行信息是CSI-Process IE。
作为一个实施例，所述第一下行信息包括CSI-Process IE中的所有域(field)。
作为一个实施例，所述第一域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第二域是csi-RS-ConfigNZPId-r11域(field)。
作为一个实施例，所述第一空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第一空口资源包括CSI-RS资源(resource)，所述第一节点是用户设备。
作为一个实施例，所述第一空口资源包括SRS资源(resource)，所述第一节点是基站。
作为一个实施例，所述第二空口资源包括{时域资源，频域资源，码域资源}中的一种或多种。
作为一个实施例，所述第二空口资源包括SRS资源(resource)，所述第一节点是用户设备。
作为一个实施例，所述第二空口资源包括CSI-RS资源(resource)，所述第一节点是基站。
作为一个实施例，所述第一类参考信号包括CSI-RS，所述第一节点是用户设备。
作为一个实施例，所述第二类参考信号包括SRS，所述第一节点是用户设备。
作为一个实施例，所述第一类参考信号包括SRS，所述第一节点是基站。
作为一个实施例，所述第二类参考信号包括CSI-RS，所述第一节点是基站。
作为一个实施例，针对所述第一类参考信号的测量被用于生成所述第二类参考信号 是指：针对所述第一类参考信号的测量被用于确定正整数个第二类天线端口组，所述第二类参考信号分别被所述正整数个第二类天线端口组发送。所述正整数个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口。
作为一个实施例，针对所述第一类参考信号的测量被用于生成所述第二类参考信号是指：针对所述第一类参考信号的测量被用于确定正整数个波束赋型向量，所述正整数个波束赋型向量分别被用于发送所述第二类参考信号。
实施例13
实施例13示例了网络架构的示意图，如附图13所示。
附图13说明了LTE(Long-Term Evolution，长期演进)，LTE-A(Long-Term Evolution Advanced，增强长期演进)及未来5G系统的网络架构1300。LTE网络架构1300可称为EPS(Evolved Packet System，演进分组系统)1300。EPS1300可包括一个或一个以上UE(User Equipment，用户设备)1301，E-UTRAN-NR(演进UMTS陆地无线电接入网络-新无线)1302，5G-CN(5G-CoreNetwork，5G核心网)/EPC(Evolved Packet Core，演进分组核心)1310，HSS(Home Subscriber Server，归属签约用户服务器)1320和因特网服务1330。其中，UMTS对应通用移动通信业务(Universal Mobile Telecommunications System)。EPS可与其它接入网络互连，但为了简单未展示这些实体/接口。如附图13所示，EPS提供包交换服务，然而所属领域的技术人员将容易了解，贯穿本申请呈现的各种概念可扩展到提供电路交换服务的网络。E-UTRAN-NR包括NR(New Radio，新无线)节点B(gNB)1303和其它gNB1304。gNB1303提供朝向UE1301的用户和控制平面协议终止。gNB1303可经由X2接口(例如，回程)连接到其它gNB1304。gNB1303也可称为基站、基站收发台、无线电基站、无线电收发器、收发器功能、基本服务集合(BSS)、扩展服务集合(ESS)、TRP(发送接收点)或某种其它合适术语。gNB1303为UE1301提供对5G-CN/EPC1310的接入点。UE1301的实例包括蜂窝式电话、智能电话、会话起始协议(SIP)电话、膝上型计算机、个人数字助理(PDA)、卫星无线电、全球定位系统、多媒体装置、视频装置、数字音频播放器(例如，MP3播放器)、相机、游戏控制台、无人机、飞行器、窄带物理网设备、机器类型通信设备、陆地交通工具、汽车、可穿戴设备，或任何其它类似功能装置。所属领域的技术人员也可将UE1301称为移动台、订户台、移动单元、订户单元、无线单元、远程单元、移动装置、无线装置、无线通信装置、远程装置、移动订户台、接入终端、移动终端、无线终端、远程终端、手持机、用户代理、移动客户端、客户端或某个其它合适术语。gNB1303通过S1接口连接到5G-CN/EPC1310。5G-CN/EPC1310包括MME1311、其它MME1314、S-GW(Service Gateway，服务网关)1312以及P-GW(Packet Date Network Gateway，分组数据网络网关)1313。MME1311是处理UE1301与5G-CN/EPC1310之间的信令的控制节点。大体上，MME1311提供承载和连接管理。所有用户IP(Internet Protocal，因特网协议)包是通过S-GW1312传送，S-GW1312自身连接到P-GW1313。P-GW1313提供UE IP地址分配以及其它功能。P-GW1313连接到因特网服务1330。因特网服务1330包括运营商对应因特网协议服务，具体可包括因特网、内联网、IMS(IP Multimedia Subsystem，IP多媒体子系统)和PS串流服务(PSS)。
作为一个实施例，所述UE1301对应本申请中的所述第一节点，所述gNB1303对应本申请中的所述第二节点。
作为一个实施例，所述UE1301对应本申请中的所述第二节点，所述gNB1303对应本申请中的所述第一节点。
实施例14
实施例14示例了用户平面和控制平面的无线协议架构的实施例的示意图，如附图14所示。
附图14是说明用于用户平面和控制平面的无线电协议架构的实施例的示意图，附图14用三个层展示用于UE和gNB的无线电协议架构：层1、层2和层3。层1(L1层)是最低层且实施各种PHY(物理层)信号处理功能。L1层在本文将称为PHY1401。层2(L2层)1405在PHY1401之上，且负责通过PHY1401在UE与gNB之间的链路。在用户平面中，L2层1405包括MAC(Medium Access Control，媒体接入控制)子层1402、RLC(Radio Link Control，无线链路层控制协议)子层1403和PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)子层1404，这些子层终止于网络侧上的gNB处。虽然未图示，但UE可具有在L2层1405之上的若干协议层，包括终止于网络侧上的P-GW1313处的网络层(例如，IP层)和终止于连接的另一端(例如，远端UE、服务器等等)处的应用层。PDCP子层1404提供不同无线电承载与逻辑信道之间的多路复用。PDCP子层1404还提供用于上层数据包的标头压缩以减少无线电发射开销，通过加密数据包而提供安全性，以及提供gNB之间的对UE的越区移交支持。RLC子层1403提供上层数据包的分段和重组装，丢失数据包的重新发射以及数据包的重排序以补偿由于HARQ造成的无序接收。MAC子层1402提供逻辑与输送信道之间的多路复用。MAC子层1402还负责在UE之间分配一个小区中的各种无线电资源(例如，资源块)。MAC子层1402还负责HARQ操作。在控制平面中，用于UE和gNB的无线电协议架构对于物理层1401和L2层1405来说大体上相同，但没有用于控制平面的标头压缩功能。控制平面还包括层3(L3层)中的RRC(Radio Resource Control，无线电资源控制)子层1406。RRC子层1406负责获得无线电资源(即，无线电承载)且使用gNB与UE之间的RRC信令来配置下部层。
作为一个实施例，附图14中的无线协议架构适用于本申请中的所述第一节点。
作为一个实施例，附图14中的无线协议架构适用于本申请中的所述第二节点。
作为一个实施例，本申请中的所述第一下行信息生成于所述RRC子层1406。
作为一个实施例，本申请中的所述Q1个第二下行信息分别生成于所述RRC子层1406。
作为一个实施例，本申请中的所述Q2个第三下行信息分别生成于所述RRC子层1406。
作为一个实施例，本申请中的所述下行信令生成于所述PHY1401。
作为一个实施例，本申请中的所述下行信令生成于所述MAC子层1402。
作为一个实施例，本申请中的所述第一类参考信号生成于所述PHY1401。
作为一个实施例，本申请中的所述第二类参考信号生成于所述PHY1401。
作为一个实施例，本申请中的所述第一信息生成于所述PHY1401。
作为一个实施例，本申请中的所述第四下行信息生成于所述RRC子层1406。
实施例15
实施例15示例了NR节点和UE的示意图，如附图15所示。附图15是在接入网络中相互通信的UE1550以及gNB1510的框图。
gNB1510包括控制器/处理器1575，存储器1576，接收处理器1570，发射处理器1516，多天线接收处理器1572，多天线发射处理器1571，发射器/接收器1518和天线1520。
UE1550包括控制器/处理器1559，存储器1560，数据源1567，发射处理器1568，接收处理器1556，多天线发射处理器1557，多天线接收处理器1558，发射器/接收器1554和天线1552。
在DL(Downlink，下行)中，在gNB1510处，来自核心网络的上层数据包被提供到控制器/处理器1575。控制器/处理器1575实施L2层的功能性。在DL中，控制器/处理器1575提供标头压缩、加密、包分段和重排序、逻辑与输送信道之间的多路复用，以及基于各种优先级量度对UE1550的无线电资源分配。控制器/处理器1575还负责HARQ操作、丢失包的重新发射，和到UE1550的信令。发射处理器1516和多天线发射处理器1571实施用于L1层(即，物理层)的各种信号处理功能。发射处理器1516实施编码和交错以促进UE1550处的前向错误校正(FEC)，以及基于各种调制方案(例如，二元相移键控(BPSK)、正交相移键控(QPSK)、 M相移键控(M-PSK)、M正交振幅调制(M-QAM))的信号群集的映射。多天线发射处理器1571对经编码和调制后的符号进行数字空间预编码/波束赋型处理，生成一个或多个空间流。发射处理器1516随后将每一空间流映射到子载波，在时域和/或频域中与参考信号(例如，导频)多路复用，且随后使用快速傅立叶逆变换(IFFT)以产生载运时域多载波符号流的物理信道。随后多天线发射处理器1571对时域多载波符号流进行发送模拟预编码/波束赋型操作。每一发射器1518把多天线发射处理器1571提供的基带多载波符号流转化成射频流，随后提供到不同天线1520。
在DL(Downlink，下行)中，在UE1550处，每一接收器1554通过其相应天线1552接收信号。每一接收器1554恢复调制到射频载波上的信息，且将射频流转化成基带多载波符号流提供到接收处理器1556。接收处理器1556和多天线接收处理器1558实施L1层的各种信号处理功能。多天线接收处理器1558对来自接收器1554的基带多载波符号流进行接收模拟预编码/波束赋型操作。接收处理器1556使用快速傅立叶变换(FFT)将接收模拟预编码/波束赋型操作后的基带多载波符号流从时域转换到频域。在频域，物理层数据信号和参考信号被接收处理器1556解复用，其中参考信号将被用于信道估计，数据信号在多天线接收处理器1558中经过多天线检测后恢复出以UE1550为目的地的任何空间流。每一空间流上的符号在接收处理器1556中被解调和恢复，并生成软决策。随后接收处理器1556解码和解交错所述软决策以恢复在物理信道上由gNB1510发射的上层数据和控制信号。随后将上层数据和控制信号提供到控制器/处理器1559。控制器/处理器1559实施L2层的功能。控制器/处理器1559可与存储程序代码和数据的存储器1560相关联。存储器1560可称为计算机可读媒体。在DL中，控制器/处理器1559提供输送与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自核心网络的上层数据包。随后将上层数据包提供到L2层之上的所有协议层。也可将各种控制信号提供到L3以用于L3处理。控制器/处理器1559还负责使用确认(ACK)和/或否定确认(NACK)协议进行错误检测以支持HARQ操作。
在UL(Uplink，上行)中，在UE1550处，使用数据源1567来将上层数据包提供到控制器/处理器1559。数据源1567表示L2层之上的所有协议层。类似于在DL中所描述gNB1510处的发送功能，控制器/处理器1559基于gNB1510的无线资源分配来实施标头压缩、加密、包分段和重排序以及逻辑与输送信道之间的多路复用，实施用于用户平面和控制平面的L2层功能。控制器/处理器1559还负责HARQ操作、丢失包的重新发射，和到gNB1510的信令。发射处理器1568执行调制映射、信道编码处理，多天线发射处理器1557进行数字多天线空间预编码/波束赋型处理，随后发射处理器1568将产生的空间流调制成多载波/单载波符号流，在多天线发射处理器1557中经过模拟预编码/波束赋型操作后再经由发射器1554提供到不同天线1552。每一发射器1554首先把多天线发射处理器1557提供的基带符号流转化成射频符号流，再提供到天线1552。
在UL(Uplink，上行)中，gNB1510处的功能类似于在DL中所描述的UE1550处的接收功能。每一接收器1518通过其相应天线1520接收射频信号，把接收到的射频信号转化成基带信号，并把基带信号提供到多天线接收处理器1572和接收处理器1570。接收处理器1570和多天线接收处理器1572共同实施L1层的功能。控制器/处理器1575实施L2层功能。控制器/处理器1575可与存储程序代码和数据的存储器1576相关联。存储器1576可称为计算机可读媒体。在UL中，控制器/处理器1575提供输送与逻辑信道之间的多路分用、包重组装、解密、标头解压缩、控制信号处理以恢复来自UE1550的上层数据包。来自控制器/处理器1575的上层数据包可被提供到核心网络。控制器/处理器1575还负责使用ACK和/或NACK协议进行错误检测以支持HARQ操作。
作为一个实施例，所述UE1550包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述UE1550装置至少：接收本申请中的所述第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第 二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述UE1550，所述第二类参考信号的发送者是所述UE1550；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述UE1550包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：接收本申请中的所述第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述UE1550，所述第二类参考信号的发送者是所述UE1550；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述gNB1510包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述gNB1510装置至少：发送第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述gNB1510，所述第二类参考信号的目标接收者包括所述gNB1510；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述gNB1510包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：发送第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述gNB1510，所述第二类参考信号的目标接收者包括所述gNB1510；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述UE1550包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述UE1550装置至少：接收第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述UE1550，所述第二类参考信号的目标接收者包括所述UE1550；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述UE1550包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：接收第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述UE1550，所述第二类参考信号的目标接收者包括所述UE1550；针对所述第一类参考信号 的测量被用于生成所述第二类参考信号。
作为一个实施例，所述gNB1510包括：至少一个处理器以及至少一个存储器，所述至少一个存储器包括计算机程序代码；所述至少一个存储器和所述计算机程序代码被配置成与所述至少一个处理器一起使用。所述gNB1510装置至少：发送第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述gNB1510，所述第二类参考信号的发送者是所述gNB1510；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述gNB1510包括：一种存储计算机可读指令程序的存储器，所述计算机可读指令程序在由至少一个处理器执行时产生动作，所述动作包括：发送第一下行信息。其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述gNB1510，所述第二类参考信号的发送者是所述gNB1510；针对所述第一类参考信号的测量被用于生成所述第二类参考信号。
作为一个实施例，所述UE1550对应本申请中的所述第一节点，所述gNB1510对应本申请中的所述第二节点。
作为一个实施例，所述UE1550对应本申请中的所述第二节点，所述gNB1510对应本申请中的所述第一节点。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述第一下行信息；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576}中的至少之一被用于发送本申请中的所述第一下行信息。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述Q1个第二下行信息；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576}中的至少之一被用于发送本申请中的所述Q1个第二下行信息。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述Q2个第三下行信息；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576}中的至少之一被用于发送本申请中的所述Q2个第三下行信息。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述下行信令；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576}中的至少之一被用于发送本申请中的所述下行信令。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述第一类参考信号；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576} 中的至少之一被用于发送本申请中的所述第一类参考信号。
作为一个实施例，{所述天线1520，所述接收器1518，所述接收处理器1570，所述多天线接收处理器1572，所述控制器/处理器1575，存储器1576}中的至少之一被用于接收本申请中的所述第一类参考信号；{所述天线1552，所述发射器1554，所述发射处理器1568，所述多天线发射处理器1557，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于发送本申请中的所述第一类参考信号。
作为一个实施例，{所述天线1520，所述接收器1518，所述接收处理器1570，所述多天线接收处理器1572，所述控制器/处理器1575，存储器1576}中的至少之一被用于接收本申请中的所述第二类参考信号；{所述天线1552，所述发射器1554，所述发射处理器1568，所述多天线发射处理器1557，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于发送本申请中的所述第二类参考信号。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述第二类参考信号；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576}中的至少之一被用于发送本申请中的所述第二类参考信号。
作为一个实施例，{所述天线1520，所述接收器1518，所述接收处理器1570，所述多天线接收处理器1572，所述控制器/处理器1575，存储器1576}中的至少之一被用于接收本申请中的所述第一信息；{所述天线1552，所述发射器1554，所述发射处理器1568，所述多天线发射处理器1557，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于发送本申请中的所述第一信息。
作为一个实施例，{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一被用于接收本申请中的所述第四下行信息；{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，存储器1576}中的至少之一被用于发送本申请中的所述第四下行信息。
作为一个实施例，实施例8中的所述第一处理模块201包括{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一。
作为一个实施例，实施例8中的所述第二处理模块202包括{所述天线1552，所述发射器/接收器1554，所述发射处理器1568，所述接收处理器1556，所述多天线发射处理器1557，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一。
作为一个实施例，实施例8中的所述第三处理模块203包括{所述天线1552，所述发射器/接收器1554，所述发射处理器1568，所述接收处理器1556，所述多天线发射处理器1557，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一。
作为一个实施例，实施例9中的所述第四处理模块301包括{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，所述存储器1576}中的至少之一。
作为一个实施例，实施例9中的所述第五处理模块302包括{所述天线1520，所述发射器/接收器1518，所述发射处理器1516，所述接收处理器1570，所述多天线发射处理器1571，所述多天线发射处理器1572，所述控制器/处理器1575，所述存储器1576}中的至少之一。
作为一个实施例，实施例9中的所述第六处理模块303包括{所述天线1520，所述发射器/接收器1518，所述发射处理器1516，所述接收处理器1570，所述多天线发射处理 器1571，所述多天线发射处理器1572，所述控制器/处理器1575，所述存储器1576}中的至少之一。
作为一个实施例，实施例10中的所述第一处理模块401包括{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，所述存储器1576}中的至少之一。
作为一个实施例，实施例10中的所述第二处理模块402包括{所述天线1520，所述接收器1518，所述接收处理器1570，所述多天线发射处理器1572，所述控制器/处理器1575，所述存储器1576}中的至少之一。
作为一个实施例，实施例10中的所述第三处理模块403包括{所述天线1520，所述发射器1518，所述发射处理器1516，所述多天线发射处理器1571，所述控制器/处理器1575，所述存储器1576}中的至少之一。
作为一个实施例，实施例11中的所述第四处理模块501包括{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一。
作为一个实施例，实施例11中的所述第五处理模块502包括{所述天线1552，所述发射器1554，所述发射处理器1568，所述多天线发射处理器1557，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一。
作为一个实施例，实施例11中的所述第六处理模块503包括{所述天线1552，所述接收器1554，所述接收处理器1556，所述多天线接收处理器1558，所述控制器/处理器1559，所述存储器1560，所述数据源1567}中的至少之一。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可以通过程序来指令相关硬件完成，所述程序可以存储于计算机可读存储介质中，如只读存储器，硬盘或者光盘等。可选的，上述实施例的全部或部分步骤也可以使用一个或者多个集成电路来实现。相应的，上述实施例中的各模块单元，可以采用硬件形式实现，也可以由软件功能模块的形式实现，本申请不限于任何特定形式的软件和硬件的结合。本申请中的用户设备、UE或者终端包括但不限于无人机，无人机上的通信模块，遥控飞机，飞行器，小型飞机，手机，平板电脑，笔记本，无线传感器，上网卡，物联网终端，RFID终端，物联网通信模块，车载通信设备，NB-IOT终端，MTC(Machine Type Communication，机器类型通信)终端，eMTC(enhanced MTC，增强的MTC)终端，数据卡，低成本手机，低成本平板电脑等无线通信设备。本申请中的基站或者系统设备包括但不限于宏蜂窝基站，微蜂窝基站，家庭基站，中继基站，gNB(NR节点B)，TRP(Transmitter Receiver Point，发送接收节点)等无线通信设备。
以上所述，仅为本申请的较佳实施例而已，并非用于限定本申请的保护范围。凡在本申请的精神和原则之内，所做的任何修改，等同替换，改进等，均应包含在本申请的保护范围之内。

Claims (22)

  1. 一种被用于多天线传输的第一节点中的方法，其中，包括：
    操作第一下行信息；
    其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
  2. 根据权利要求1所述的方法，其特征在于，包括：
    操作Q1个第二下行信息和Q2个第三下行信息；
    其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识；所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识；所述Q1和所述Q2分别是正整数；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
  3. 根据权利要求1或2所述的方法，其特征在于，包括：
    操作下行信令；
    其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
  4. 根据权利要求1至3中任一权利要求所述的方法，其特征在于，包括：
    在所述第一空口资源中接收所述第一类参考信号；
    在所述第二空口资源中发送所述第二类参考信号；
    其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
  5. 根据权利要求4所述的方法，其特征在于，包括：
    发送第一信息；
    其中，针对所述第一类参考信号的测量被用于确定所述第一信息；所述第一信息被用于确定所述K个第二类天线端口组是否需要更新；所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送；所述第一节点是用户设备。
  6. 根据权利要求1至5中任一权利要求所述的方法，其特征在于，包括：
    操作第四下行信息；
    其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一，所述第一节点是基站并且所述操作是发送；或者所述第一信息被用于触发所述第四下行信息，所述第一节点是用户设备并且所述操作是接收；所述 第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
  7. 根据权利要求1至6中任一权利要求所述的方法，其特征在于，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号，所述第一节点是用户设备。
  8. 根据权利要求1至6中任一权利要求所述的方法，其特征在于，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号，所述第一节点是基站。
  9. 根据权利要求1至8中任一权利要求所述的方法，其特征在于，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的信息单元。
  10. 一种被用于多天线传输的第二节点中的方法，其中，包括：
    执行第一下行信息；
    其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述第二节点，所述第二类参考信号的目标接收者包括所述第二节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
  11. 根据权利要求10所述的方法，其特征在于，包括：
    执行Q1个第二下行信息和Q2个第三下行信息；
    其中，所述Q1个第二下行信息分别被用于确定Q1个第一类空口资源和Q1个第一类标识，所述Q1个第一类标识和所述Q1个第一类空口资源一一对应，所述第一下行信息中的所述第一域被用于确定第一标识，所述第一空口资源是所述Q1个第一类空口资源中的一个第一类空口资源，所述Q1个第一类标识中和所述第一空口资源对应的第一类标识是所述第一标识；所述Q2个第三下行信息分别被用于确定Q2个第二类空口资源和Q2个第二类标识，所述Q2个第二类标识和所述Q2个第二类空口资源一一对应，所述第一下行信息中的所述第二域被用于确定第二标识，所述第二空口资源是所述Q2个第二类空口资源中的一个第二类空口资源，所述Q2个第二类标识中和所述第二空口资源对应的第二类标识是所述第二标识；所述Q1和所述Q2分别是正整数；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
  12. 根据权利要求10或11所述的方法，其特征在于，包括：
    执行下行信令；
    其中，所述下行信令被用于触发所述第一类参考信号和所述第二类参考信号中至少之一的发送；所述第二节点是基站并且所述执行是发送，或者所述第二节点是用户设备并且所述执行是接收。
  13. 根据权利要求10至12中任一权利要求所述的方法，其特征在于，包括：
    在所述第一空口资源中发送所述第一类参考信号；
    在所述第二空口资源中接收所述第二类参考信号；
    其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和K所述分别是正整数。
  14. 根据权利要求13所述的方法，其特征在于，包括：
    接收第一信息；
    其中，针对所述第一类参考信号的测量被用于确定所述第一信息；所述第一信息被用于确定所述K个第二类天线端口组是否需要更新；所述第一下行信息包括第三域，所述第一下行信息中的所述第三域被用于确定第三空口资源，所述第一信息在所述第三空口资源中发送；所述第二节点是基站。
  15. 根据权利要求10至14中任一权利要求所述的方法，其特征在于，包括：
    执行第四下行信息；
    其中，针对所述第一类参考信号的测量被用于{触发所述第四下行信息，生成所述第四下行信息}中的至少之一，所述第二节点是用户设备并且所述执行是接收；或者所述第一信息被用于触发所述第四下行信息，所述第二节点是基站并且所述执行是发送；所述第四下行信息被用于重新配置所述第一空口资源和所述第二空口资源中的至少后者。
  16. 根据权利要求10至15中任一权利要求所述的方法，其特征在于，所述第一类参考信号是信道状态信息参考信号，所述第二类参考信号是探测参考信号，所述第二节点是基站。
  17. 根据权利要求10至15中任一权利要求所述的方法，其特征在于，所述第一类参考信号是探测参考信号，所述第二类参考信号是信道状态信息参考信号，所述第二节点是用户设备。
  18. 根据权利要求10至17中任一权利要求所述的方法，其特征在于，所述第一下行信息包括第四域，所述第一下行信息中的所述第四域被用于标识所述第一下行信息对应的信息单元。
  19. 一种被用于多天线传输的第一节点中的设备，其中，包括：
    第一处理模块，操作第一下行信息；
    其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的目标接收者包括所述第一节点，所述第二类参考信号的发送者是所述第一节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第一节点是用户设备并且所述操作是接收，或者所述第一节点是基站并且所述操作是发送。
  20. 根据权利要求19所述的第一节点中的设备，其特征在于，包括：
    第二处理模块，在所述第一空口资源中接收所述第一类参考信号；
    第三处理模块，在所述第二空口资源中发送所述第二类参考信号；
    其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
  21. 一种被用于多天线传输的第二节点中的设备，其中，包括：
    第四处理模块，执行第一下行信息；
    其中，所述第一下行信息是一个信息单元，所述第一下行信息包括第一域和第二域，所述第一下行信息中的所述第一域被用于确定第一空口资源，所述第一下行信息中的所述第二域被用于确定第二空口资源；所述第一空口资源被预留给第一类参考信号，所述第二空口资源被预留给第二类参考信号；所述第一类参考信号的发送者是所述第二节点，所述第二类参考信号的目标接收者包括所述第二节点；针对所述第一类参考信号的测量被用于生成所述第二类参考信号；所述第二节点是基站并且所述执行是发送，或者所述 第二节点是用户设备并且所述执行是接收。
  22. 根据权利要求21所述的第二节点中的设备，其特征在于，包括：
    第五处理模块，在所述第一空口资源中发送所述第一类参考信号；
    第六处理模块，在所述第二空口资源中接收所述第二类参考信号；
    其中，所述第一空口资源包括M个第一子资源，所述第一类参考信号在所述M个第一子资源中分别被M个第一类天线端口组发送；所述第二空口资源包括K个第二子资源，所述第二类参考信号在所述K个第二子资源中分别被K个第二类天线端口组发送；所述M个第一类天线端口组中的任一第一类天线端口组包括正整数个第一类天线端口，所述K个第二类天线端口组中的任一第二类天线端口组包括正整数个第二类天线端口，所述M和所述K分别是正整数。
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