CN107370534A - The measuring method and device of channel condition information - Google Patents
The measuring method and device of channel condition information Download PDFInfo
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- CN107370534A CN107370534A CN201610319480.7A CN201610319480A CN107370534A CN 107370534 A CN107370534 A CN 107370534A CN 201610319480 A CN201610319480 A CN 201610319480A CN 107370534 A CN107370534 A CN 107370534A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of measuring method of channel condition information and device, wherein, this method includes:N number of reference signal port is sent to the second equipment by the first equipment according to specified sending method on specified reference signal resource, wherein, the reference signal port is used for the channel condition information between the first equipment and the second equipment described in second device measuring, and the N is positive integer;First equipment receives the channel condition information of the second equipment feedback, by the present invention, solves the problems, such as the measurement of channel condition information in correlation technique.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of measuring method of channel condition information
And device.
Background technology
Cellular network system in correlation technique is mainly using low-frequency range (such as 300MHz~3GHz) frequency
Spectrum, however, with the continuous growth of traffic demands, traditional low-frequency range becomes more and more crowded,
It has been insufficient for the demand of future communications.
The characteristics of high-frequency communication is to have than more serious path loss, penetration loss, spatial with
Air is in close relations.Because the wavelength of high-frequency signal is extremely short, great quantity of small antenna array can be applied, with
Enable beamforming technique to obtain more accurate beam direction, improved with narrow beam technical advantage
The covering power of high-frequency signal, makes up transmission loss, is a big feature of high-frequency communication.
Long Term Evolution (LTE, Long Term Evolution) system is carried out more using base band precoding
Antenna data multiplexing transmission, it preferably can support multi-stream data to transmit, therefore being capable of preferable twelve Earthly Branches
Hold space division multiplexing and MIMO (Mutiple Input Mutiple Output, multiple-input and multiple-output) is passed
Transmission scheme, but shortcoming is that each transmission antenna needs to correspond to a radio frequency link, and cost is too high.Radio frequency
Precoding is also known as radio frequency beam figuration, although saving radio frequency link quantity, wave beam forming power
Value is only applied to be sent on signal in single current, is then sent again by multiple antennas, so as to limit
System multiplexing capacity.In high frequency communication system, as a result of big aerial array, in order to continue to prop up
MIMO multiple stream transmissions are held, and effectively control radio frequency link cost, it is a kind of feasible in correlation technique
Mode be using mixing precoding structure, i.e., simultaneously using base band precoding and radio frequency precoding progress
Multi-antenna data multiplexing transmission.Mix under precoding structure, the corresponding antenna array of a radio frequency link
Row.However, because a radio frequency link can only get a wave beam at the same moment, therefore carry out
Multiple wave beams of data-reusing must be from different radio frequency links, and which increase in high frequency communication system
The difficulty of wave beam training.
For how rapidly and accurately to complete channel condition information under the said structure in correlation technique
Measurement and feedback, at present it is not yet found that the solution of effect.
The content of the invention
The embodiments of the invention provide a kind of measuring method of channel condition information and device, at least to solve
The problem of certainly measurement efficiency of channel condition information is low in correlation technique.
According to one embodiment of present invention, there is provided a kind of measuring method of channel condition information, bag
Include:First equipment is by N number of reference signal port according to specified sending method in specified reference signal
The second equipment is sent in resource, wherein, the reference signal port is used for second device measuring
Channel condition information between first equipment and the second equipment, the N are positive integer;Described
One equipment receives the channel condition information of the second equipment feedback.
Alternatively, the sending method specified includes the first sending method or the second sending method,
Wherein, first sending method be the first equipment by the reference signal port with first kind send wave
Beam is sent to the second equipment, second sending method be the first equipment by the reference signal port with
Second class sends wave beam and is sent to the second equipment.
Alternatively, it is that first kind precoding is passed through in the reference signal port that the first kind, which sends wave beam,
Signal after being weighted with the second class precoding;It is the reference signal port that second class, which sends wave beam,
Signal after being weighted merely through the second class precoding.
Alternatively, the first kind precoding is base band precoding, and the second class precoding is radio frequency
Precoding.
Alternatively, the sending method specified include by the reference signal port of the first equipment by
Repeat to send Q times according to identical sending method, wherein Q is the integer more than 1.
Alternatively, the Q repetition is sent is located at Q different time quantum set respectively, its
Described in the time set in include at least one time quantum.
Alternatively, sending method first equipment specified and the second equipment are made an appointment
Sending method or by network side by signaling to the first equipment and/or the second equipment.
Alternatively, the reference signal resource specified includes:The subcarrier in frequency domain position specified and/
Or time domain time quantum,
Alternatively, the subcarrier in frequency domain position specified includes equally spaced sub-carrier positions.
Alternatively, the sub-carrier positions and/or time quantum by first equipment by signaling
To second equipment.
Alternatively, first equipment in the equally spaced sub-carrier positions of frequency domain with first kind send wave
Beam sends the reference signal port.
Alternatively, first equipment in the equally spaced sub-carrier positions of frequency domain with the identical first kind
Send wave beam and send the reference signal port.
Alternatively, the sub-carrier positions send wave beam with the first kind has corresponding relation.
Alternatively, the corresponding relation made an appointment by first equipment and second equipment or by
Network side is by signaling to the first equipment and/or the second equipment.
Alternatively, the corresponding relation includes one below:
The continuous sub-carrier positions of frequency domain every M from low to high correspond to M by permanent order
The different first kind sends wave beam;
Per M, a continuous sub-carrier positions corresponds to M not to frequency domain by permanent order from high to low
The same first kind sends wave beam;
Wherein, the M different first kind transmission wave beams correspond to the M different first kind and prelisted
Code weight value and identical the second class precoding weights, the M are the integer more than 1.
Alternatively, the corresponding relation includes:
The every N number of continuous sub-carrier positions of frequency domain from low to high or from high to low are a son
Carrier wave set, N number of subcarrier in each subcarrier group correspond to N number of different first by permanent order
Class sends wave beam, and it is pre- that N number of different first kind transmission wave beam corresponds to N number of the second different class
Encode weights and identical first kind precoding weights, the first kind send wave in different subcarrier groups
Beam corresponds to different first kind precoding weights and by the corresponding class of identical second of subcarrier order in group
Precoding weights.
Alternatively, N number of subcarrier in each subcarrier group respectively positioned at it is N number of different when
Between unit.
Alternatively, first equipment in the equally spaced sub-carrier positions of frequency domain with the second class send wave
Beam sends the reference signal port.
Alternatively, first equipment is at the same time on unit respectively with N number of the second different class
Send wave beam and send N number of reference signal port.
Alternatively, first equipment sends identical reference in the equally spaced sub-carrier positions of frequency domain
Signal port.
Alternatively, N number of reference signal port respectively from N number of different sub-carrier positions one by one
It is corresponding.
Alternatively, N number of reference signal port is sent out on N number of different time quantum respectively
Send.
Alternatively, N number of reference signal port is respectively N number of reference signal sequence.
Alternatively, the reference signal sequence is by pseudo noise PN53439 sequences or CAZAC sequence structures
Into.
Alternatively, send wave of the generation of the reference signal sequence with sending the reference signal port
The wave beam mark of beam is related.
Alternatively, send wave of the generation of the reference signal sequence with sending the reference signal port
Radio frequency link port-mark where beam is related.
Alternatively, the value of the N includes at least one of:The radio frequency link port number of first equipment
Mesh, the first kind send wave beam number, the second class sends wave beam number, first kind precoding weights number,
Second class precoding weights number, the maximum transmitted number of plies.
Alternatively, the channel condition information includes first kind channel condition information or the second class channel
Status information.
Alternatively, one or one group of first kind send wave beam identification information, one or one group second
Class sends running time-frequency resource information corresponding to wave beam, one or one group of first kind sends son where wave beam
Carrier position information, one or one group of first kind send radio frequency link port information corresponding to wave beam,
Corresponding channel quality information under one or one group of transmission wave beam, wherein, described one group first
Class send wave beam in wave beam respectively from different radio frequency link ports, wherein, one group of expression is multiple.
Alternatively, the second class channel condition information includes at least one of:One or one group
Two class send wave beam identification information, reference signal port information, one or one group of second class are sent
Sub-carrier positions information corresponding to wave beam, sub-carrier positions information corresponding to the reference signal port,
First kind precoding value information, wave beam and described first sent based on one or one group of second class
Channel quality information under class precoding weights, wherein, one group of expression is multiple.
According to one embodiment of present invention, there is provided the measuring method of another channel condition information,
Including:Second equipment receives the N number of with reference to letter of the first equipment transmission on specified reference signal resource
Number port;Second equipment is according to the ginseng received on the reference signal resource specified
The channel condition information between signal port measurement first equipment and the second equipment is examined, and by described in
Information feedback gives first equipment, wherein, the N is positive integer.
Alternatively, the reference signal resource specified includes:The subcarrier in frequency domain position specified and/
Or time domain time quantum set.
Alternatively, the subcarrier in frequency domain position specified includes equally spaced sub-carrier positions.
Alternatively, the sub-carrier positions and/or time quantum by the second equipment by receiving come automatic network
Side signals acquisition.
Alternatively, second equipment is in the equally spaced son of reference signal resource frequency domain specified
The reference signal port is received on carrier position.
Alternatively, second equipment is according to the mode made an appointment or by receiving from network side
Signal the sending method for obtaining the reference signal port.
Alternatively, described sender formula includes the first sending method or the second sending method, wherein,
First sending method is that the reference signal port is sent wave beam hair by the first equipment with the first kind
Give the second equipment, the second class sending method is the first equipment by the reference signal port with the
Two classes send wave beam and are sent to the second equipment.
Alternatively, it is that first kind precoding is passed through in the reference signal port that the first kind, which sends wave beam,
Signal after being weighted with the second class precoding, it is the reference signal port that second class, which sends wave beam,
Signal after being weighted merely through the second class precoding.
Alternatively, the first kind precoding is base band precoding, and the second class precoding is radio frequency
Precoding.
Alternatively, described sender formula include by the reference signal port of first equipment according to
Identical sending method repeats to send Q times, and wherein Q is the integer more than 1.
Alternatively, the Q repetition is sent is located at Q different time quantum set respectively, its
Described in the time set in comprise at least a time quantum.
Alternatively, N number of reference signal port is respectively N number of reference signal sequence.
Alternatively, the reference signal sequence is by PN53439 sequences or CAZAC Sequence compositions.
Alternatively, send wave of the generation of the reference signal sequence with sending the reference signal port
The wave beam mark of beam is related.
Alternatively, send wave of the generation of the reference signal sequence with sending the reference signal port
Radio frequency link port-mark where beam is related.
Alternatively, send wave of the reference signal resource specified with sending the reference signal port
There is corresponding relation, the corresponding relation determines or passed through reception by mode predetermined in advance between beam
Signaling for network side is known.
Alternatively, between the reference signal port and the transmission wave beam for sending the reference signal port
With corresponding relation, the corresponding relation is determined by the mode made an appointment or by receiving network side
Signal and know.
Alternatively, send wave of the reference signal resource specified with sending the reference signal port
There is corresponding relation, the corresponding relation is by the side that makes an appointment between radio frequency link port where beam
Formula is determined or known by receiving signaling for network side.
Alternatively, where transmission wave beam of the reference signal port with sending the reference signal port
Radio frequency link port between there is corresponding relation, the corresponding relation is determined by the mode made an appointment
Or known by receiving signaling for network side.
Alternatively, the corresponding relation includes one below:
The continuous subcarrier position of the reference signal resource frequency domain specified every M from low to high
Put and correspond to M different first kind transmission wave beams in a fixed order;
The continuous subcarrier pair of the reference signal resource frequency domain specified every M from high to low
The M different first kind are answered to send wave beam;
Wherein, the M different first kind transmission wave beams correspond to the M different first kind and prelisted
Code weight value and identical the second class precoding weights, the M are the integer more than 1.
According to the method for claim 46, it is characterised in that the corresponding relation includes:Institute
State the reference signal resource frequency domain specified from low to high or from high to low every N number of continuous described
Sub-carrier positions are a sub- carrier wave set, and N number of subcarrier in each subcarrier group presses permanent order pair
N number of different first kind is answered to send wave beam, N number of different first kind sends wave beam and corresponds to N
Individual the second different class precoding weights and identical first kind precoding weights, different subcarrier groups
On the first kind send wave beam correspond to different first kind precoding weights and by group subcarrier sequentially
Corresponding identical the second class precoding weights.
Alternatively, N number of subcarrier in each subcarrier group respectively positioned at it is N number of different when
Between unit.
Alternatively, the corresponding relation include the reference signal resource specified in it is different at equal intervals
Sub-carrier positions correspond to the second different classes and send wave beam.
Alternatively, the corresponding relation is included in the reference signal resource specified at the same time
N number of reference signal port corresponds to N number of the second different class and sends wave beam on unit.
Alternatively, second equipment determines according to the sub-carrier positions where the reference signal port
The first kind sends the wave beam mark or wave beam mark scope of wave beam, and works as the second equipment root
Determine that the first kind sends the wave beam of wave beam according to the sub-carrier positions where the reference signal port
In the case of identifying scope, second equipment is further by blind in the range of wave beam mark
Detection determines that the first kind sends the wave beam mark of wave beam.
Alternatively, second equipment determines that the first kind sends wave beam according to the sub-carrier positions
The radio frequency link port at place.
Alternatively, second equipment determines the second class send wave according to the reference signal port
The wave beam mark or wave beam mark scope of beam, and when second equipment is according to the reference signal
In the case that port determines the wave beam mark scope that second class sends wave beam, second equipment is entered
One step determines that second class sends the wave beam of wave beam by blind Detecting in the range of being identified in the wave beam
Mark.
Alternatively, second equipment determines that sending second class sends out according to the reference signal port
Send the radio frequency link port where wave beam.
Alternatively, second equipment determines that sending second class sends out according to the reference signal port
The radio frequency link port where wave beam is sent, and determines that radio frequency link port is corresponding by the way of blind Detecting
Transmission wave beam wave beam mark.
Alternatively, the value of the N includes at least one of:First equipment is described for sending
Maximum radio frequency link port number, the first kind of reference signal port send wave beam number, the second class hair
Send wave beam number, first kind precoding weights number, the second class precoding weights number, maximum transmitted
The number of plies.
Alternatively, the channel condition information includes first kind channel condition information or the second class channel
Status information.
Alternatively, the first kind channel condition information includes at least one of:One or one group
A kind of send wave beam identification information, one or one group of first kind send running time-frequency resource corresponding to wave beam
Sub-carrier positions information where information, one or one group of first kind send wave beam, it is one or
One group of first kind sends radio frequency link port information, one or one group of transmission wave beam corresponding to wave beam
Lower corresponding channel quality information, wherein the wave beam that one group of first kind is sent in wave beam comes respectively
From different radio frequency link ports, wherein, one group of expression is multiple.
Alternatively, the second class channel condition information includes at least one of:One or one group
Two class send wave beam identification information, reference signal port information, one or one group of second class are sent
Running time-frequency resource information, one or one group of second class send subcarrier corresponding to wave beam corresponding to wave beam
Sub-carrier positions information, first kind precoding weights corresponding to positional information, the reference signal port
Information, the channel under wave beam and first kind precoding weights sent based on one or one group of second class
Quality information, wherein the wave beam in one group of second class transmission wave beam is respectively from different rf chains
Road port, wherein, one group of expression is multiple.
According to another embodiment of the invention, there is provided a kind of measurement apparatus of channel condition information,
The first equipment is arranged on, including:Sending module, for by N number of reference signal port according to specified
Sending method is sent to the second equipment on specified reference signal resource, wherein, the reference signal
Port is used for the channel status letter between the first equipment and the second equipment described in second device measuring
Breath, the N is positive integer;Receiving module, for receiving the channel status of the second equipment feedback
Information.
According to another embodiment of the invention, there is provided the measurement apparatus of another channel condition information,
The second equipment is arranged on, including:Receiving module, for receiving on specified reference signal resource
N number of reference signal port that one equipment is sent;Processing module, for according in the reference specified
The reference signal port that is received on signal resource measure first equipment and the second equipment it
Between channel condition information, and give the information feedback to first equipment, wherein,
The N is positive integer.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is set
It is set to the program code that storage is used to perform following steps:
By N number of reference signal port according to specified sending method on specified reference signal resource
The second equipment is sent to, wherein, the reference signal port is used for the described in second device measuring
Channel condition information between one equipment and the second equipment, the N are positive integer;
Receive the channel condition information of the second equipment feedback.
By means of the invention it is possible to the wave beam training process being completed quickly and effectively in high frequency communication system,
By way of the reference signal port for sending wave beam is bound with transmission wave beam so that receiving side can
Pass through the frequency domain position where the reference signal port that receives or the reference signal port received
Just can determine that receive send wave beam or send beam area and/or send wave beam from rf chain
Road port, because reducing receiving side to sending the blind Detecting complexity of wave beam, and enable receiving side
The transmission wave beam from different radio frequency link port is distinguished, so as to which multi-antenna data transmission multiplexing will be used for
Wave beam and channel quality information feedback to sending side, solve channel condition information in correlation technique
The problem of measurement efficiency is low.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the one of the application
Part, schematic description and description of the invention are used to explain the present invention, not formed to this hair
Bright improper restriction.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the measuring method of channel condition information according to embodiments of the present invention;
Fig. 2 is the flow chart of the measuring method of another channel condition information according to embodiments of the present invention;
Fig. 3 is a kind of structured flowchart of the measurement apparatus of channel condition information according to embodiments of the present invention;
Fig. 4 is the structural frames of the measurement apparatus of another channel condition information according to embodiments of the present invention
Figure;
Fig. 5 is a kind of mixing precoding structural representation positioned at transmitting terminal according to embodiments of the present invention;
Fig. 6 is that the send wave beam and sub-carrier positions of reference signal in the embodiment of the present invention have fixation
The schematic diagram of mapping relations;
Fig. 7 is to send wave beam and sub-carrier positions from different radio frequency link in the embodiment of the present invention
A kind of schematic diagram of mapping relations;
Fig. 8, which is that frequency domain different sub-carrier position correspondence time domain of the embodiment of the present invention is multiple, sends wave beam
A kind of schematic diagram;
Fig. 9 be frequency domain of embodiment of the present invention sub-carrier positions and the different beams from different links it
Between there is a kind of schematic diagrames of fixed mapping relations;
Figure 10 is that have fixed reflect in the embodiment of the present invention between reference signal port and radio frequency link
Penetrate a kind of schematic diagram of relation;
Figure 11 is that have admittedly between reference signal port and subcarrier in frequency domain position in the embodiment of the present invention
A kind of schematic diagram of fixed mapping relations;
Figure 12 is that different base station takes different subcarrier in frequency domain position transmission ginsengs in the embodiment of the present invention
Examine a kind of schematic diagram of signal.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that
In the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that the term in description and claims of this specification and above-mentioned accompanying drawing
" first ", " second " etc. be for distinguishing similar object, without for describe specific order or
Precedence.
Embodiment 1
A kind of measuring method of channel condition information is provided in the present embodiment, and Fig. 1 is according to this hair
The flow chart of the measuring method of a kind of channel condition information of bright embodiment, as shown in figure 1, the flow
Comprise the following steps:
Step S102, the first equipment are referring to N number of reference signal port according to specified sending method
The second equipment is sent on fixed reference signal resource, wherein, reference signal port is used for the second equipment
The channel condition information between the first equipment and the second equipment is measured, N is positive integer;
Step S104, the first equipment receive the channel condition information of the second equipment feedback.
Wherein, N number of reference signal port is used between second the first equipment of device measuring and the second equipment
Channel condition information, N is positive integer.
By above-mentioned steps, the wave beam training process that can be completed quickly and effectively in high frequency communication system,
By the reference signal port by wave beam is sent with sending wave beam binding and/or sending the money of reference signal
Source and the mode for sending wave beam binding so that receiving side can be by the reference signal port institute that receives
Frequency domain position and/or time quantum or the reference signal port that receives just can determine that and receive
Send wave beam or send beam area and/or send wave beam from radio frequency link port, thus reduce
Receiving side enables receiving side to distinguish from different radio frequency to sending the blind Detecting complexity of wave beam
The transmission wave beam of link port, so as to which the wave beam and channel quality of multiplexing will be transmitted for multi-antenna data
Feedback of the information solves the problems, such as that the measurement efficiency of channel condition information in correlation technique is low to sending side.
Herein it should be noted that " time quantum " mentioned in the present invention includes at least one time domain
Minimum time unit, for example, the time quantum can be a symbol either by fixed number of symbol
A subframe etc. for number composition;" time quantum set " mentioned in the present invention includes at least one institute
Time quantum is stated, wherein at least one time quantum is probably multiple continuous time quantums
Either discrete time quantum.
Alternatively, the executive agent of above-mentioned steps can be base station etc., but not limited to this.The present embodiment
And a kind of feedback method of channel condition information, downlink transmitting terminal (base station side) will refer to letter
Number port (including:Reference signal) it is handed down to end side (the second equipment), end side feedback letter again
Channel state information is to base station side.
The measuring method of another channel condition information is additionally provided in the present embodiment, is applied and is being received
End, or end side.Fig. 2 is the measurement side of another channel condition information according to embodiments of the present invention
The flow chart of method, as shown in Fig. 2 the flow comprises the following steps:
Step S202, the second equipment receive the N of the first equipment transmission on specified reference signal resource
Individual reference signal port;
Step S204, the second equipment are believed according to the reference received on specified reference signal resource
Number port measures the channel condition information between the first equipment and the second equipment, and by channel condition information
The first equipment is fed back to, wherein, N is positive integer.
In the present embodiment, " reference signal " and " reference signal port " can be with equivalent equivalence;" penetrate
Frequency link " and " radio frequency link port " can be with equivalent equivalences.
In the optional embodiment according to the present embodiment, the first equipment is the transmitting terminal of reference signal,
Second equipment is the receiving terminal of reference signal, such as in cellular network system downlink transmission, first
Equipment is base station, and accordingly the second equipment is terminal;In the transmission of cellular network system up-link, the
One equipment is terminal, and accordingly the second equipment is base station;In equipment and equipment (D2D, Device to
Device in communication environment), the first equipment is terminal 1, and accordingly the second equipment is terminal 2.
In the optional embodiment according to the present embodiment, network side signals generally to be issued by base station
To terminal.
The first kind sends wave beam and refers to that reference signal is passed through first kind precoding and second by the first equipment
The second equipment is sent to after class precoding;Second class sends wave beam and refers to the first equipment by reference signal
The second equipment is sent to merely through the second class precoding afterwards.Wherein, first kind precoding is that base band is pre-
Coding or referred to as digital precode, the second class precoding are that radio frequency precoding or referred to as simulation prelist
Code.
Optionally, N number of reference signal port is respectively N number of reference signal sequence, wherein reference signal
Sequence by pseudo noise sequence (Pseudo-noise Sequence, referred to as PN53439 sequences) or
Zadoff-Chu sequence (referred to as ZC sequences) is formed, the generation of reference signal sequence and the first kind
Send wave beam or the second class sends the wave beam mark correlation of wave beam.Wherein, ZC sequences are a kind of typical cases
Permanent envelope zero auto-correlation (Constant Amplitude Zero Auto Correlation, referred to as
CAZAC) sequence.
Optionally, the generation of reference signal also sends wave beam with the first kind or the second class sends wave beam and come from
Radio frequency link port-mark it is related.
Optionally, N value is equal to transmitting terminal rf chain way, or the first kind sends wave beam number,
Either the second class sends wave beam number or first kind precoding weights number, or the second class prelists
Code weight value number, or multi-antenna data is multiplexed the maximum allowable transmission number of plies in communication system.
The present embodiment includes following two implementations, is specially:
Mode one:
N number of reference signal port of first equipment sends wave beam according to the first kind and believed in specified reference
The second equipment is sent in number resource;Second equipment sets first kind information feedback to first
It is standby.
The reference signal resource specified includes, the first equipment specified subcarrier in frequency domain position and/or when
Between send wave beam according to the first kind on unit set and send reference signal.Wherein, sub-carrier positions and/
Or the time gathers having been made an appointment by the first equipment and the second equipment or passes through letter by the first equipment
Order notice is to the second equipment.It is worth noting that, the sub-carrier positions specified also include all sons of frequency domain
Carrier position.
Alternatively, N number of reference signal port of the first equipment sends wave beam according to the first equipment and specified
Time quantum collection close repetition and send Q time, wherein Q is integer more than 1.This is mainly examined
Consider the second equipment also will the mode based on wave beam carry out the reception of reference signal port, it is at this moment different
Receive under wave beam, the first equipment repeats to send the reference signal port in the same fashion, i.e., logical
In the case of often, there are the second equipment how many reception wave beams to require the first equipment in the same fashion
Repeat to send how many times reference signal port.Here receive wave beam to refer to, receiving device (the second equipment)
Processing is weighted to the channel received to obtain, the corresponding reception wave beam of each weighted value.
Optionally, the first equipment is sent out in the equally spaced sub-carrier positions of frequency domain according to the identical first kind
Wave beam is sent to send reference signal.Wherein, sub-carrier positions and the first kind send wave of reference signal port
There is fixed corresponding relation, corresponding relation is made an appointment by the first equipment and the second equipment between beam
Or by the first equipment by signaling to the second equipment.
Optionally, per M, a continuous sub-carrier positions presses fixation to frequency domain from low to high or from high to low
The corresponding M different first kind wave beams of order, M first kind wave beam correspond to M different first
Class precoding weights and identical the second class precoding weights, wherein M are the integer more than 1.
Corresponding relation between this reference signal resource and first kind wave beam, it is more suitable for only supporting single layer data
The situation of transmission.
Or it is optional, frequency domain is from low to high or N number of continuous sub-carrier positions every from high to low are one
Individual sub- carrier wave set, N number of subcarrier in each subcarrier group are corresponded to N number of different by permanent order
First kind wave beam, N number of different first kind wave beam correspond to N number of the second different class precoding and one
Identical first kind precoding, the first kind wave beam in different subcarrier groups correspond to the different first kind
Precoding.Wherein, the first kind on N number of subcarrier in each subcarrier group sends wave beam and existed respectively
It is transmitted on N number of different time quantum.Between this reference signal resource and first kind wave beam
Corresponding relation, it is more suitable for the situation of multi-antenna data multilayer multiplexing transmission.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
There is fixed corresponding relation, the corresponding relation is that the first equipment and the second equipment are pre- between transmission wave beam
It is first arranging or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
There is fixed corresponding relation between transmission wave beam, the corresponding relation is by the first equipment and the second equipment
In advance set in advance or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Second equipment receives reference signal port on specified reference signal resource, is specified based on described
The reference signal port estimation channel condition information received on reference signal resource, specifically including root
Determine to send reference signal first kind send wave according to the sub-carrier positions where the reference signal received
The wave beam mark or wave beam mark scope of beam, further pass through blind Detecting for the equipment of latter instance second
Mode from wave beam identify scope in determine send reference signal the first kind send wave beam wave beam mark
Know, it is preferable that the second equipment can also determine to send the first kind hair of reference signal from sub-carrier positions
Send the radio frequency link port where wave beam, further the second equipment by information feedback to the
One equipment, wherein channel condition information comprise at least one below:One or one group of first kind send wave
Sub-carrier positions information where beam identification information, one or one group of first kind send wave beam, one or one
It is right that the group first kind sends radio frequency link port information, one or lower of one group of transmission wave beam corresponding to wave beam
The channel quality information answered, the wave beam that the one of which first kind is sent in wave beam are penetrated respectively from different
Frequency link port.
Mode two:
N number of reference signal port of first equipment sends wave beam according to the second class and believed in specified reference
The second equipment is sent in number resource;Second equipment sets the second class information feedback to first
It is standby.
The reference signal resource specified includes, the first equipment specified subcarrier in frequency domain position and/or when
Between send wave beam according to the first kind on unit set and send reference signal.Wherein, sub-carrier positions and/
Or time quantum set made an appointment by the first equipment and the second equipment or led to by the first equipment
Cross and signal to the second equipment.Optionally, the sub-carrier positions specified also include all sub- loads of frequency domain
Ripple position.
Alternatively, N number of reference signal port of the first equipment sends wave beam specified according to the second class
Time quantum collection closes repetition and sent Q times, and wherein Q is the integer more than 1.This mainly considers
To the second equipment also will the mode based on wave beam carry out the reception of reference signal port, at this moment different connects
Receive under wave beam, the first equipment repeats to send the reference signal port in the same fashion, i.e., generally
In the case of, there are the second equipment how many reception wave beams to require the first equipment to weigh in the same fashion
How many times reference signal port is sent in recurrence.Here receive wave beam to refer to, receiving device (the second equipment)
Processing is weighted to the channel received, the corresponding reception wave beam of each weighted value.
First equipment is being sent out respectively on unit with N number of different the second class transmission wave beam at the same time
Send N number of reference signal port.
Or first equipment in the equally spaced sub-carrier positions of frequency domain with the second class send wave beam send
N number of reference signal port, wherein first equipment is in the equally spaced sub-carrier positions of frequency domain
Send identical reference signal port.Preferably, N number of reference signal port respectively with it is N number of
Different sub-carrier positions correspond.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
There is fixed corresponding relation, the corresponding relation is that the first equipment and the second equipment are pre- between transmission wave beam
It is first arranging or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
There is fixed corresponding relation between transmission wave beam, the corresponding relation is by the first equipment and the second equipment
In advance set in advance or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Second equipment receives N number of reference signal port, based on reference signal port estimation channel status letter
Breath, specifically include being determined to send the second of reference signal port according to the reference signal port received
Class sends the wave beam mark or wave beam mark scope of wave beam, further for the equipment of latter instance second
Identified by way of blind Detecting from wave beam and the first kind send wave for sending reference signal is determined in scope
The wave beam mark of beam, optionally, the second equipment can also determine according to the reference signal port received
Send the radio frequency link port where the second class transmission wave beam.Further the second equipment is by channel status
Feedback of the information gives the first equipment, and wherein channel condition information comprises at least one below:One or one group
Second class sends wave beam form data, first kind precoding value information, one or one group of second class hair
Send reference signal port information corresponding to wave beam, wave beam and first is sent based on one or one group of second class
Channel quality information under class precoding weights, the class of one of which second send the hungry wave beam point in wave beam
Not from different radio frequency link ports.
Or N number of reference signal port corresponds to different subcarriers respectively in a fixed order in frequency domain
Position, such as the second equipment send identical reference signal port, receiving terminal on equally spaced position
It can be assured that according to the sub-carrier positions for receiving reference signal and send the second of reference signal
Class wave beam from radio frequency link port.
Through the above description of the embodiments, those skilled in the art can be understood that root
The mode of required general hardware platform can be added by software according to the method for above-described embodiment to realize, when
So can also be by hardware, but the former is more preferably embodiment in many cases.Based on such reason
Solution, the part that technical scheme substantially contributes to prior art in other words can be with soft
The form of part product embodies, and the computer software product is stored in a storage medium (such as
ROM/RAM, magnetic disc, CD) in, including some instructions are make it that a station terminal equipment (can
To be mobile phone, computer, server, or network equipment etc.) perform each embodiment of the present invention
Method.
Embodiment 2
A kind of measurement apparatus of channel condition information is additionally provided in the present embodiment, and the device is used for real
Existing above-described embodiment and preferred embodiment, had carried out repeating no more for explanation.Make as following
, term " module " can realize the combination of the software and/or hardware of predetermined function.It is although following
Device described by embodiment is preferably realized with software, but hardware, or software and hardware
The realization of combination is also what may and be contemplated.
Fig. 3 is a kind of structured flowchart of the measurement apparatus of channel condition information according to embodiments of the present invention,
Transmitting terminal, base station side can be arranged on, as shown in figure 3, the device includes:
Sending module 30, for N number of reference signal port of the first equipment to be sent according to the first kind
Wave beam or the second class send wave beam and the second equipment are sent on specified reference signal resource;
Receiving module 32, believe for receiving the first kind that the second equipment is fed back according to first kind transmission wave beam
Channel state information or the second class channel condition information that wave beam feedback is sent according to the second class;Wherein, N
The channel status that individual reference signal port is used between second the first equipment of device measuring and the second equipment
Information, N are positive integer.
Fig. 4 is the structural frames of the measurement apparatus of another channel condition information according to embodiments of the present invention
Figure, can be arranged on receiving terminal, end side, as shown in figure 4, the device includes:
Receiving module 40, wave beam or the second class send wave are sent according to the first kind for receiving the first equipment
N number of reference signal port that beam is sent;
Processing module 42, for measuring the first equipment and the second equipment according to N number of reference signal port
Between channel condition information, and give information feedback to the first equipment, wherein, N is just
Integer.
In the present embodiment, the first equipment can be the transmitting terminal of reference signal, and the second equipment can be
The receiving terminal of reference signal, such as in cellular network system downlink transmission, the first equipment is base station,
Accordingly the second equipment is terminal;In the transmission of cellular network system up-link, the first equipment is terminal,
Accordingly the second equipment is base station;In the communication of equipment and equipment (D2D, Device to Device)
In environment, both terminal, the first equipment are terminal 1, and accordingly the second equipment is terminal 2.
Above-mentioned to be merely illustrative of, not limited to this is commonly used in application of the invention.
Optionally, first kind transmission wave beam refers to that reference signal is passed through first kind precoding by the first equipment
The second equipment is sent to the second class precoding afterwards;Second class sends wave beam and refers to that the first equipment will join
Examine signal and be sent to the second equipment afterwards merely through the second class precoding.Wherein, first kind precoding is
Base band precoding or referred to as digital precode, the second class precoding are radio frequency precoding or referred to as mould
Intend precoding.
Optionally, N number of reference signal port is respectively N number of reference signal sequence, wherein reference signal
Sequence is sent by PN53439 sequences or ZC Sequence compositions, generation and the first kind of reference signal sequence
The wave beam mark that wave beam or the second class send wave beam is related.Wherein, ZC sequences are a kind of typical permanent
Envelope zero auto-correlation (Constant Amplitude Zero Auto Correlation, referred to as CAZAC)
Sequence.
Optionally, the generation of reference signal also sends wave beam with the first kind or the second class sends wave beam and come from
Radio frequency link port-mark it is related.
Optionally, N value is equal to transmitting terminal rf chain way, or the first kind sends wave beam number,
The either number or first kind precoding weights number of the second class transmission wave beam, or the second class are pre-
Weights number is encoded, or multi-antenna data is multiplexed the maximum allowable transmission number of plies in communication system.
The measurement of transmitting terminal and receiving terminal the completion channel condition information of the present embodiment can include following
Two kinds of implementations, it is specially:
Mode one:
N number of reference signal port of first equipment sends wave beam according to the first kind and believed in specified reference
The second equipment is sent in number resource;Second equipment sets first kind information feedback to first
It is standby.
The reference signal resource specified includes, the first equipment specified subcarrier in frequency domain position and/or when
Between send wave beam according to the first kind on unit set and send reference signal.Wherein, sub-carrier positions and/
Or the time gathers having been made an appointment by the first equipment and the second equipment or passes through letter by the first equipment
Order notice is to the second equipment.It is worth noting that, the sub-carrier positions specified also include all sons of frequency domain
Carrier position.
Alternatively, N number of reference signal port of the first equipment sends wave beam according to the first equipment and specified
Time quantum collection close repetition and send Q time, wherein Q is integer more than 1.This is mainly examined
Consider the second equipment also will the mode based on wave beam carry out the reception of reference signal port, it is at this moment different
Receive under wave beam, the first equipment repeats to send the reference signal port in the same fashion, i.e., logical
In the case of often, there are the second equipment how many reception wave beams to require the first equipment in the same fashion
Repeat to send how many times reference signal port.Here receive wave beam to refer to, receiving device (the second equipment)
Processing is weighted to the channel received to obtain, the corresponding reception wave beam of each weighted value.
Optionally, the first equipment is sent out in the equally spaced sub-carrier positions of frequency domain according to the identical first kind
Wave beam is sent to send reference signal.Wherein, sub-carrier positions and the first kind send wave of reference signal port
There is fixed corresponding relation, corresponding relation is made an appointment by the first equipment and the second equipment between beam
Or by the first equipment by signaling to the second equipment.
Optionally, per M, a continuous sub-carrier positions presses fixation to frequency domain from low to high or from high to low
The corresponding M different first kind wave beams of order, M first kind wave beam correspond to M different first
Class precoding weights and identical the second class precoding weights, wherein M are the integer more than 1.
Corresponding relation between this reference signal resource and first kind wave beam, it is more suitable for only supporting single layer data
The situation of transmission.
Or frequency domain carries per N number of continuous sub-carrier positions for a son from low to high or from high to low
Ripple group, N number of subcarrier in each subcarrier group correspond to N number of different first kind by permanent order
Wave beam, N number of different first kind wave beam correspond to N number of the second different class precoding and an identical
First kind precoding, the first kind wave beam in different subcarrier groups correspond to different first kind precodings.
Wherein, the first kind on N number of subcarrier in each subcarrier group send wave beam respectively it is N number of not
It is transmitted on same time quantum.Corresponding pass between this reference signal resource and first kind wave beam
System, it is more suitable for the situation of multi-antenna data multilayer multiplexing transmission.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
There is fixed corresponding relation, the corresponding relation is that the first equipment and the second equipment are pre- between transmission wave beam
It is first arranging or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
There is fixed corresponding relation between transmission wave beam, the corresponding relation is by the first equipment and the second equipment
In advance set in advance or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Second equipment receives reference signal port on specified reference signal resource, is specified based on described
The reference signal port estimation channel condition information received on reference signal resource, specifically including root
Determine to send reference signal first kind send wave according to the sub-carrier positions where the reference signal received
The wave beam mark or wave beam mark scope of beam, further pass through blind Detecting for the equipment of latter instance second
Mode from wave beam identify scope in determine send reference signal the first kind send wave beam wave beam mark
Know, it is preferable that the second equipment can also determine to send the first kind hair of reference signal from sub-carrier positions
Send the radio frequency link port where wave beam, further the second equipment by information feedback to the
One equipment, wherein channel condition information comprise at least one below:One or one group of first kind send wave
Sub-carrier positions information where beam identification information, one or one group of first kind send wave beam, one or one
It is right that the group first kind sends radio frequency link port information, one or lower of one group of transmission wave beam corresponding to wave beam
The channel quality information answered, the wave beam that the one of which first kind is sent in wave beam are penetrated respectively from different
Frequency link port.
Mode two:
N number of reference signal port of first equipment sends wave beam according to the second class and believed in specified reference
The second equipment is sent in number resource;Second equipment sets the second class information feedback to first
It is standby.
The reference signal resource specified includes, the first equipment specified subcarrier in frequency domain position and/or when
Between send wave beam according to the first kind on unit set and send reference signal.Wherein, sub-carrier positions and/
Or time quantum set made an appointment by the first equipment and the second equipment or led to by the first equipment
Cross and signal to the second equipment.Optionally, the sub-carrier positions specified also include all sub- loads of frequency domain
Ripple position.
Alternatively, N number of reference signal port of the first equipment sends wave beam specified according to the second class
Time quantum collection closes repetition and sent Q times, and wherein Q is the integer more than 1.This mainly considers
To the second equipment also will the mode based on wave beam carry out the reception of reference signal port, at this moment different connects
Receive under wave beam, the first equipment repeats to send the reference signal port in the same fashion, i.e., generally
In the case of, there are the second equipment how many reception wave beams to require the first equipment to weigh in the same fashion
How many times reference signal port is sent in recurrence.Here receive wave beam to refer to, receiving device (the second equipment)
Processing is weighted to the channel received, the corresponding reception wave beam of each weighted value.
First equipment is being sent out respectively on unit with N number of different the second class transmission wave beam at the same time
Send N number of reference signal port.
Or first equipment in the equally spaced sub-carrier positions of frequency domain with the second class send wave beam send
N number of reference signal port, wherein first equipment is in the equally spaced sub-carrier positions of frequency domain
Send identical reference signal port.Preferably, N number of reference signal port respectively with it is N number of
Different sub-carrier positions correspond.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
There is fixed corresponding relation, the corresponding relation is that the first equipment and the second equipment are pre- between transmission wave beam
It is first arranging or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal resource specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
There is fixed corresponding relation between transmission wave beam, the corresponding relation is by the first equipment and the second equipment
In advance set in advance or by the first equipment by signaling to the second equipment.
Alternatively, the first kind of the reference signal port specified with sending the reference signal port
Sending between the radio frequency link port where wave beam has fixed corresponding relation, the corresponding relation by
It is that first equipment and the second equipment have been made an appointment or by the first equipment by signaling to second
Equipment.
Second equipment receives N number of reference signal port, based on reference signal port estimation channel status letter
Breath, specifically include being determined to send the second of reference signal port according to the reference signal port received
Class sends the wave beam mark or wave beam mark scope of wave beam, further for the equipment of latter instance second
Identified by way of blind Detecting from wave beam and the first kind send wave for sending reference signal is determined in scope
The wave beam mark of beam, optionally, the second equipment can also determine according to the reference signal port received
Send the radio frequency link port where the second class transmission wave beam.Further the second equipment is by channel status
Feedback of the information gives the first equipment, and wherein channel condition information comprises at least one below:One or one group
Second class sends wave beam form data, first kind precoding value information, one or one group of second class hair
Send reference signal port information corresponding to wave beam, wave beam and first is sent based on one or one group of second class
Channel quality information under class precoding weights, the class of one of which second send the hungry wave beam point in wave beam
Not from different radio frequency link ports.
Optionally, N number of reference signal port corresponds to different sons in frequency domain and carried respectively in a fixed order
Ripple position, such as the second equipment send identical reference signal port on equally spaced position, receive
End can be assured that according to the sub-carrier positions for receiving reference signal sends the of reference signal
Two class wave beams from radio frequency link port.
Optionally, the present embodiment, which includes the executive agents of concrete operations, can be provided in the first equipment
Or second equipment module or unit, or be provided in the control terminal of the first equipment or the second equipment
Module or unit.
It should be noted that above-mentioned modules can be realized by software or hardware, for
The latter, it can be accomplished by the following way, but not limited to this:Above-mentioned module is respectively positioned on same processor
In;Or the form of above-mentioned modules in any combination is located in different processors respectively.
Embodiment 3
The present embodiment is alternative embodiment, including multiple specific embodiments, for entering to above-described embodiment
Row is illustrated and explained.
Specific embodiment 1
Fig. 5 is a kind of mixing precoding structural representation positioned at transmitting terminal according to embodiments of the present invention,
As shown in figure 5, wherein, NsIt is to send fluxion/number of plies, NRFIt is rf chain way, NtIt is each penetrate
Transmission antenna number corresponding to frequency link (Radio Frequency Chain, referred to as RF links).Base band
As shown in Figure 5, radio frequency precoding is called radio frequency beam figuration and only referred to makees phase in the RF stages for precoding
Position adjustment, the i.e. wave beam forming of phase.
A feature for mixing precoding is that base band precoding is due to being carried out in base band domain, therefore
It can accomplish that different subcarriers carries out different base band precodings, and radio frequency precoding is due to being to penetrate
What frequency domain was carried out, therefore can not accomplish to carry out precoding by subcarrier, therefore when radio frequency stage is each
A radio frequency beam can only be got by carving a radio frequency link.
The reference signal of transmitting terminal uses above-mentioned mixing precoding structure, first passes through base band precoding, so
Pass through radio frequency precoding again afterwards, the wave beam formed under mixing precoding is sent.Assuming that transmitting terminal
Rf chain way NRFEqual to 4, the code word of wherein base band precoding shares 4, radio frequency beam figuration
Weights share 2, and the wave beam number under the mixing precoding then formed on each radio frequency link is 8
It is individual.
Below using transmitting terminal as base station, receiving terminal is terminal, further refines explanation.
Base station sends identical wave beam in the equally spaced sub-carrier positions of frequency domain, wherein sending identical
Two sub- carrier waves of wave beam are the transmission wave beam of reference signal in the embodiment of the present invention at intervals of 4, Fig. 6
There is the schematic diagram one of fixed mapping relations with sub-carrier positions, as shown in Figure 6, it is assumed that 8 ripples
The wave beam mark of beam is respectively 0~7, and on wave beam training time unit t, reference signal is in subcarrier
4k is upper to be sent according to wave beam 0, is sent on subcarrier 4k+1 according to wave beam 1, in subcarrier 4k+2
On sent according to wave beam 2, sent on subcarrier 4k+3 according to wave beam 3.
Now, Fig. 7 is transmission wave beam and subcarrier from different radio frequency link in the embodiment of the present invention
A kind of schematic diagram of the mapping relations of position, accordingly different beams under transmitting terminal mixing precoding framework
Sub-carrier positions distribution, as shown in fig. 7, the wave beam 0 of each link is on sub-carrier positions 4k
Send simultaneously, the wave beam 1 of each link is sent simultaneously on sub-carrier positions 4k+1, each link
Wave beam 2 sent simultaneously on sub-carrier positions 4k+2, the wave beam 3 of each link is in subcarrier position
Put on 4k+3 while send.
Due to sharing 8 transmission wave beams under each radio frequency link of transmitting terminal, therefore only with a wave beam
Training time unit can not complete channel quality information measurement whole under all wave beams, and Fig. 8 is this hair
A kind of multiple schematic diagrames for sending wave beam of bright embodiment frequency domain different sub-carrier position correspondence time domain, such as
Shown in Fig. 8, on wave beam training time unit t+k, transmitting terminal exists in same manner described above
Subcarrier 4k, subcarrier 4k+1, subcarrier 4k+2, send respectively on subcarrier 4k+3 wave beam 4,
5、6、7。
Receiving terminal determines to send the ripple of the reference signal according to the sub-carrier positions for receiving reference signal
Beam identification, such as the wave beam mark of the reference signal received on sub-carrier positions 4k are only possible 0
With 4, i.e., the wave beam mark scope of the reference signal received on sub-carrier positions 4k is { 0,4 }, by
In generating typically with wave beam mark correlation for reference signal, therefore receiving terminal can utilize correlation
Mode carries out the wave beam of reference signal that blind Detecting determines to receive on a certain moment sub-carrier positions 4k
Mark is 0 or 4, similarly also determines to join according to above-mentioned this mode in other sub-carrier positions
Examine the send wave beam identification of signal.Further, if the generation of reference signal is also with rf chain terminal
If mouth is related, then receiving terminal can also determine that the reference signal is sent out according to the reference signal received
Send radio frequency link port corresponding to wave beam.Then, receiving terminal gives obtained information feedback
Transmitting terminal, wherein channel condition information comprise at least one of following information:One or one group of transmission wave beam
Identification information, one or one group of transmission wave beam place sub-carrier positions relevant information, one or one group of hair
Send radio frequency link port information corresponding to wave beam, channel matter corresponding under one or one group of transmission wave beam
Measure information, one of which send wave beam in wave beam respectively from different radio frequency link ports.
Specific embodiment 2
The reference signal of transmitting terminal uses above-mentioned mixing precoding structure, first passes through base band precoding, so
Pass through radio frequency precoding again afterwards, the wave beam formed under mixing precoding is sent.Assuming that transmitting terminal
Rf chain way NRFEqual to 4, the code word of wherein base band precoding shares 2, radio frequency beam figuration
Weights share 2, and the wave beam number under the mixing precoding then formed on each radio frequency link is 4
It is individual.
Below using transmitting terminal as base station, receiving terminal is terminal, further refines explanation.
Base station sends identical wave beam in the equally spaced sub-carrier positions of frequency domain, wherein sending identical
Two sub- carrier waves of wave beam are frequency domain of embodiment of the present invention sub-carrier positions at intervals of 16, Fig. 9 and come
From a kind of schematic diagram between the different beams of different links with fixed mapping relations, such as Fig. 9 institutes
Show, it is assumed that the wave beam mark of 4 wave beams is respectively 0~3 on each link, and reference signal is in subcarrier
Sent respectively according to the wave beam 0 from radio frequency link 0~3 on 16k~16k+3, in subcarrier
Sent respectively according to the wave beam 1 from radio frequency link 0~3 on 16k+4~16k+7, in subcarrier
Sent respectively according to the wave beam 2 from radio frequency link 0~3 on 16k+8~16k+11, in subcarrier
Sent respectively according to the wave beam 3 from radio frequency link 0~3 on 16k+12~16k+1515.Come from and penetrate
Wave beam on frequency link 0 is regularly sent on sub-carrier positions 16k+4i (i=0,1,2,3), from penetrating
Wave beam on frequency link 1 is regularly sent on sub-carrier positions 16k+4i+1, from radio frequency link 2
On wave beam regularly sent on sub-carrier positions 16k+4i+2, the wave beam from radio frequency link 3
Regularly sent on sub-carrier positions 16k+4i+3.
Receiving terminal determines to send the ripple of the reference signal according to the sub-carrier positions for receiving reference signal
Beam identification and send the wave beam of the reference signal from radio frequency link port, then, receiving terminal will
Obtained information feedback comprises at least following information to transmitting terminal, wherein channel condition information
One of:One or one group of send wave beam identification information, one or one group of transmission wave beam place subcarrier position
Radio frequency link port information, one or one group of transmission corresponding to confidence breath, one or one group of transmission wave beam
Corresponding channel quality information under wave beam, one of which send wave beam in wave beam respectively from difference
Radio frequency link port.
Specific embodiment 3
The data transfer of transmitting terminal uses mixing precoding structure as shown in Figure 5, but reference signal
Transmission just sent merely through radio frequency precoding, it is understood that reference signal pass through fixation base band
Precoding, such as base band precoding are unit matrix.Assuming that the rf chain way N of transmitting terminalRFIt is equal to
4, the code word of wherein base band precoding shares 2, and radio frequency beam shape-endowing weight value shares 2, then
Wave beam number under the mixing precoding formed on each radio frequency link is 4.Assuming that each rf chain
The wave beam of wave beam on road is identified as 0~3.
Transmitting terminal sends N number of reference signal port, and wherein N value is equal to rf chain way NRFValue,
N number of reference signal port in a fixed order respectively with NRFIndividual radio frequency link is corresponding, i.e., N number of reference
Signal port is in a fixed order respectively from NRFSent in individual radio frequency link, Figure 10 is implementation of the present invention
There is a kind of schematic diagram of fixed mapping relations in example between reference signal port and radio frequency link;Such as
Shown in Figure 10, on each wave beam training time unit, transmitting terminal is at most simultaneously emitted by NRFIndividual wave beam,
This NRFIndividual wave beam is respectively from different radio frequency link ports, this NRFIndividual wave beam respectively with N number of ginseng
Examine signal port one-to-one corresponding.Because each radio frequency link has 4 wave beams, then transmitting terminal at least needs
Want 4 wave beam training time units could be by N number of reference signal according to all in each radio frequency link
Wave beam is sent one time.
Wherein, N number of reference signal port is respectively N number of different reference signal sequence, wherein referring to
Signal sequence is by PN53439 sequences or ZC Sequence compositions, generation and the rf chain terminal of reference signal
Mouth is related.Preferably, the wave beam of wave beam of the generation of reference signal with sending the reference signal identifies phase
Close.
The wave beam that receiving terminal determines to send the reference signal according to the port for receiving reference signal comes from
Radio frequency link port.Transmitting terminal can also determine to send according to the time quantum for receiving reference signal
The wave beam of the reference signal wave beam mark, if or reference signal generation it is related to wave beam mark,
Then receiving terminal can also utilize the reference signal port received to determine to send the wave beam of the reference signal
Mark scope, and then carry out blind Detecting by the way of related and determine to send the wave beam of the reference signal
Wave beam mark.Then, receiving terminal by obtained information feedback to transmitting terminal, wherein believing
Channel state information comprises at least one of following information:One or one group of send wave beam identification information, recommendation
Data transfer use base band precoding weights relevant information, corresponding to one or one group of transmission wave beam
Reference signal port relevant information, based under one or one group of transmission wave beam and base band precoding weights
Channel quality information, one of which send wave beam in wave beam respectively from different radio frequency link ports.
Specific embodiment 4
The data transfer of transmitting terminal uses mixing precoding structure as shown in Figure 5, but reference signal
Transmission just sent merely through radio frequency precoding, or be appreciated that reference signal passes through fixed base
Band precoding, such as base band precoding is unit matrix.Assuming that the rf chain way N of transmitting terminalRFDeng
In 4, the code word of wherein base band precoding shares 2, and radio frequency beam shape-endowing weight value shares 2, in
It is that the wave beam number mixed under precoding formed on each radio frequency link is 4.Assuming that each radio frequency
The wave beam of wave beam on link is identified as 0~3.
Transmitting terminal sends N number of reference signal port, and wherein N value is equal to rf chain way NRFValue,
N number of reference signal port in a fixed order respectively with NRFIndividual radio frequency link is corresponding, i.e., N number of ginseng
Signal port is examined in a fixed order respectively from NRFSent in individual radio frequency link.Each wave beam training
On time quantum, transmitting terminal is at most simultaneously emitted by NRFIndividual wave beam, this NRFIndividual wave beam is not respectively from
Same radio frequency link port, this NRFIndividual wave beam corresponds with N number of reference signal port respectively.By
There are 4 wave beams in each radio frequency link, then transmitting terminal at least needs 4 wave beam training time units
N number of reference signal could be sent one time according to all wave beams in each radio frequency link.
Wherein, N number of reference signal sequence, N number of reference signal port are distinguished in N number of reference signal port
Different sub-carrier positions are taken respectively, and each reference signal port is accounted in frequency domain in a manner of equally spaced
With different sub-carrier positions, equally spaced mode refers to sends identical at interval of fixed sub-carrier number
Reference signal port, Figure 11 are reference signal port and subcarrier in frequency domain position in the embodiment of the present invention
Between there is a kind of schematic diagrames of fixed mapping relations, as shown in figure 11, it is assumed that there are 4 ginsengs
Signal port is examined, this 4 reference signal ports are sent on subcarrier 4k~4k+3 respectively.It is preferred that
Ground, the wave beam mark of the wave beam of the generation to transmission of the reference signal reference signal are related.
Receiving terminal receives reference signal port, is determined according to the sub-carrier positions for receiving reference signal port
Send the wave beam of reference signal port from radio frequency link port, carry out blind check by the way of related
Survey the wave beam mark for the wave beam for determining to send the reference signal port.Then, receiving terminal will be believed
Channel state information feeds back to transmitting terminal, and wherein channel condition information comprises at least one of following information:One
The base band precoding weights that individual or one group of send wave beam identification information, the data transfer recommended use are related
Reference signal port relevant information corresponding to information, one or one group of transmission wave beam, based on one or one
Group sends the channel quality information under wave beam and base band precoding weights, and one of which is sent in wave beam
Wave beam is respectively from different radio frequency link ports.
Specific embodiment 5
The data transfer of transmitting terminal uses mixing precoding structure as shown in Figure 5, but reference signal
Transmission just sent merely through radio frequency precoding, it is understood that the base band that reference signal is passed through prelists
Code is unit matrix.Assuming that the rf chain way N of transmitting terminalRFEqual to 4, wherein base band precoding
Code word shares 2, and radio frequency beam shape-endowing weight value shares 2, is then formed on each radio frequency link
It is 4 to mix the wave beam number under precoding.Assuming that the wave beam mark point of the wave beam on radio frequency link j
Not Wei 4j+q, wherein j value is [0,3], and q value is [0,3], and j and q are integer.
Transmitting terminal sends N number of reference signal port, and wherein N value is equal to rf chain way NRF*Nt's
Value, N number of reference signal port in a fixed order respectively with NRFWave beam on individual radio frequency link is one by one
It is corresponding.
Wherein, N number of reference signal port is respectively N number of different reference signal sequence, wherein referring to
Signal sequence is by PN53439 sequences or ZC Sequence compositions, and the generation of reference signal is with sending the reference
The wave beam mark of the wave beam of signal is related.
Receiving terminal determines to send the ripple of the wave beam of the reference signal according to the port for receiving reference signal
Beam identification, and by the mark determine wave beam from radio frequency link, then, receiving terminal will be obtained
Information feedback comprises at least one of following information to transmitting terminal, wherein channel condition information:
One or one group of send wave beam identification information, the base band precoding weights phase for the data transfer use recommended
Close information, reference signal port relevant information corresponding to one or one group of transmission wave beam, based on one or
Channel quality information under one group of transmission wave beam and base band precoding weights, one of which are sent in wave beam
Wave beam respectively from different radio frequency link ports.
Specific embodiment 6
Base station sends wave beam according to the first kind in specified sub-carrier positions or the second class sends wave beam
Send reference signal.Wherein, sub-carrier positions are made an appointment by base station and terminal or passed through by base station
Signal to terminal.
Pass through the method for the present embodiment, it is possible to achieve different base station takes the different sub-carrier positions of frequency domain
Reference signal is sent according to wave beam to UE simultaneously, mutual interference problem is avoided, has simultaneously
Effect saves multiple base stations to the wave beam training time under same UE service scenarios.Figure 12 is this
Different base station takes one kind that different subcarrier in frequency domain positions sends reference signal in inventive embodiments
Schematic diagram, as shown in figure 12, base station 1 and base station 2 can provide service, base station 1 to UE
The sub-carrier positions 2k and 2k+1 that acquisition frequency is distinguished with base station 2 sends reference signal to UE.
Wherein base station 1 or base station 2 send the mode of reference signal and feedback system to UE and can joined
Examine the method in preceding embodiment 1~4 of the present invention.
Embodiment 4
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, on
State storage medium and can be configured to the program code that storage is used to perform following steps:
S1, N number of reference signal port of the first equipment is sent into wave beam or the second class according to the first kind
Send wave beam and the second equipment is sent on specified reference signal resource;
S2, receive the second equipment according to the first kind send wave beam feed back first kind channel condition information or
The second class channel condition information of wave beam feedback is sent according to the second class;
Wherein, N number of reference signal port is used between second the first equipment of device measuring and the second equipment
Channel condition information, N is positive integer.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to:USB flash disk, only
Read memory (ROM, Read-Only Memory), random access memory (RAM, Random
Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with Jie of store program codes
Matter.
Alternatively, in the present embodiment, processor is held according to the program code stored in storage medium
The N number of reference signal port for being about to the first equipment sends wave beam or the transmission of the second class according to the first kind
Wave beam is sent to the second equipment on specified reference signal resource;
Alternatively, in the present embodiment, processor is held according to the program code stored in storage medium
Row receive the second equipment according to the first kind send wave beam feed back first kind channel condition information or according to
Second class sends the second class channel condition information of wave beam feedback;Wherein, N number of reference signal port is used
Channel condition information between second the first equipment of device measuring and the second equipment, N is positive integer.
Alternatively, the specific example in the present embodiment may be referred to above-described embodiment and optional embodiment
Described in example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step
It can be realized with general computing device, they can be concentrated on single computing device, or
It is distributed on the network that multiple computing devices are formed, alternatively, they be able to can be held with computing device
Capable program code realizes, it is thus possible to be stored in storage device by computing device Lai
Perform, and in some cases, can be shown or described to be performed different from order herein
Step, they are either fabricated to each integrated circuit modules respectively or by multiple moulds in them
Block or step are fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any spy
Fixed hardware and software combines.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for ability
For the technical staff in domain, the present invention can have various modifications and variations.It is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., the guarantor of the present invention should be included in
Within the scope of shield.
Claims (65)
- A kind of 1. measuring method of channel condition information, it is characterised in that including:N number of reference signal port is sent to the second equipment by the first equipment according to specified sending method on specified reference signal resource, wherein, the reference signal port is used for the channel condition information between the first equipment and the second equipment described in second device measuring, and the N is positive integer;First equipment receives the channel condition information of the second equipment feedback.
- 2. according to the method for claim 1, it is characterized in that, the sending method specified includes the first sending method or the second sending method, wherein, first sending method is that the reference signal port is sent to the second equipment by the first equipment with first kind transmission wave beam, and second sending method is that the reference signal port is sent to the second equipment by the first equipment with the second class transmission wave beam.
- 3. according to the method for claim 2, it is characterised in that it is signal of the reference signal port after first kind precoding and the second class precoding weighting that the first kind, which sends wave beam,;It is the signal after the reference signal port weights merely through the second class precoding that second class, which sends wave beam,.
- 4. according to the method for claim 3, it is characterised in that the first kind precoding is base band precoding, and the second class precoding is radio frequency precoding.
- 5. according to the method for claim 1, it is characterised in that the sending method specified includes repeating to send Q times according to identical sending method by the reference signal port of the first equipment, and wherein Q is the integer more than 1.
- 6. according to the method for claim 5, it is characterised in that the Q repetition is sent respectively positioned at Q different time quantum set, wherein including at least one time quantum in time set.
- 7. according to the method for claim 1, it is characterised in that the sending method specified be the sending method made an appointment of first equipment and the second equipment or by network side by signaling to the first equipment and/or the second equipment.
- 8. according to the method for claim 1, it is characterised in that the reference signal resource specified includes:The subcarrier in frequency domain position specified and/or time domain time quantum.
- 9. according to the method for claim 8, it is characterised in that the subcarrier in frequency domain position specified includes equally spaced sub-carrier positions.
- 10. according to the method for claim 8, it is characterised in that the sub-carrier positions and/or time quantum are by first equipment by signaling to second equipment.
- 11. according to the method for claim 1, it is characterised in that first equipment sends wave beam with the first kind in the equally spaced sub-carrier positions of frequency domain and sends the reference signal port.
- 12. according to the method for claim 11, it is characterised in that first equipment sends wave beam with the identical first kind in the equally spaced sub-carrier positions of frequency domain and sends the reference signal port.
- 13. according to the method for claim 11, it is characterised in that the sub-carrier positions send wave beam with the first kind has corresponding relation.
- 14. according to the method for claim 13, it is characterised in that the corresponding relation is made an appointment or by network side by signaling to the first equipment and/or the second equipment by first equipment and second equipment.
- 15. according to the method for claim 13, it is characterised in that the corresponding relation includes one below:The continuous sub-carrier positions of frequency domain every M from low to high correspond to the M different first kind by permanent order and send wave beam;The every M continuous sub-carrier positions correspond to M different first kind transmission wave beams to frequency domain by permanent order from high to low;Wherein, the M different first kind send wave beam and correspond to M different first kind precoding weights and identical the second class precoding weights, and the M is the integer more than 1.
- 16. according to the method for claim 13, it is characterised in that the corresponding relation includes:The every N number of continuous sub-carrier positions of frequency domain from low to high or from high to low are a sub- carrier wave set, N number of subcarrier in each subcarrier group corresponds to N number of different first kind by permanent order and sends wave beam, N number of different first kind sends wave beam and correspond to N number of the second different class precoding weights and identical first kind precoding weights, and the first kind in different subcarrier groups sends wave beam and correspond to different first kind precoding weights and by sequentially correspondence identical the second class precoding weights of subcarrier in group.
- 17. according to the method for claim 16, it is characterised in that N number of subcarrier in each subcarrier group is located at N number of different time quantum respectively.
- 18. according to the method for claim 1, it is characterised in that first equipment sends wave beam with the second class in the equally spaced sub-carrier positions of frequency domain and sends the reference signal port.
- 19. according to the method for claim 1, it is characterised in that first equipment is sending wave beam transmission N number of reference signal port with N number of the second different class respectively on unit at the same time.
- 20. according to the method for claim 19, it is characterised in that first equipment sends identical reference signal port in the equally spaced sub-carrier positions of frequency domain.
- 21. according to the method for claim 19, it is characterised in that N number of reference signal port corresponds from N number of different sub-carrier positions respectively.
- 22. according to the method for claim 19, it is characterised in that N number of reference signal port is sent on N number of different time quantum respectively.
- 23. according to the method for claim 1, it is characterised in that N number of reference signal port is respectively N number of reference signal sequence.
- 24. according to the method for claim 23, it is characterised in that the reference signal sequence is by pseudo noise PN53439 sequences or CAZAC Sequence compositions.
- 25. according to the method for claim 23, it is characterised in that the wave beam mark of transmission wave beam of the generation of the reference signal sequence to sending the reference signal port is related.
- 26. according to the method for claim 23, it is characterised in that the generation of the reference signal sequence is related to the radio frequency link port-mark where the transmission wave beam for sending the reference signal port.
- 27. according to the method for claim 1, it is characterised in that the value of the N includes at least one of:The radio frequency link port number of first equipment, the first kind send wave beam number, the second class sends wave beam number, first kind precoding weights number, the second class precoding weights number, the maximum transmitted number of plies.
- 28. according to the method for claim 1, it is characterised in that the channel condition information includes first kind channel condition information or the second class channel condition information.
- 29. according to the method for claim 27, it is characterised in that the first kind channel condition information includes at least one of:Sub-carrier positions information, one or one group of first kind send channel quality information corresponding under radio frequency link port information, one or one group of transmission wave beam corresponding to wave beam where one or one group of first kind send wave beam identification information, one or one group of second class send running time-frequency resource information corresponding to wave beam, one or one group of first kind sends wave beam, wherein, wave beam in one group of first kind transmission wave beam is respectively from different radio frequency link ports, wherein, one group of expression is multiple.
- 30. according to the method for claim 27, it is characterised in that the second class channel condition information includes at least one of:One or one group of second class send wave beam identification information, reference signal port information, one or one group of second class are sent sub-carrier positions information corresponding to wave beam, sub-carrier positions information corresponding to the reference signal port, first kind precoding value information, are sent based on one or one group of second class channel quality information under wave beam and the first kind precoding weights, wherein, one group of expression is multiple.
- A kind of 31. measuring method of channel condition information, it is characterised in that including:Second equipment receives N number of reference signal port of the first equipment transmission on specified reference signal resource;Second equipment measures the channel condition information between first equipment and the second equipment according to the reference signal port received on the reference signal resource specified, and give the information feedback to first equipment, wherein, the N is positive integer.
- 32. according to the method for claim 31, it is characterised in that the reference signal resource specified includes:The subcarrier in frequency domain position specified and/or time domain time quantum.
- 33. according to the method for claim 32, it is characterised in that the subcarrier in frequency domain position specified includes equally spaced sub-carrier positions.
- 34. according to the method for claim 32, it is characterised in that the sub-carrier positions and/or time quantum signal acquisition by receiving by the second equipment from network side.
- 35. according to the method for claim 31, it is characterised in that second equipment receives the reference signal port in the equally spaced sub-carrier positions of reference signal resource frequency domain specified.
- 36. according to the method for claim 31, it is characterised in that second equipment obtains the sending method of the reference signal port according to the mode made an appointment or by receiving signaling from network side.
- 37. based on the method described in claim 36, it is characterized in that, described sender formula includes the first sending method or the second sending method, wherein, first sending method is that the reference signal port is sent to the second equipment by the first equipment with first kind transmission wave beam, and the second class sending method is that the reference signal port is sent to the second equipment by the first equipment with the second class transmission wave beam.
- 38. based on the method described in claim 37, it is characterized in that, it is signal of the reference signal port after first kind precoding and the second class precoding weighting that the first kind, which sends wave beam, and it is the signal after the reference signal port weights merely through the second class precoding that second class, which sends wave beam,.
- 39. according to the method for claim 38, it is characterised in that the first kind precoding is base band precoding, and the second class precoding is radio frequency precoding.
- 40. according to the method for claim 36, it is characterised in that described sender formula includes repeating to send Q times according to identical sending method by the reference signal port of first equipment, and wherein Q is the integer more than 1.
- 41. according to the method for claim 40, it is characterised in that the Q repetition is sent respectively positioned at Q different time quantum set, wherein comprising at least a time quantum in time set.
- 42. according to the method for claim 31, it is characterised in that N number of reference signal port is respectively N number of reference signal sequence.
- 43. according to the method for claim 42, it is characterised in that the reference signal sequence is by PN53439 sequences or CAZAC Sequence compositions.
- 44. according to the method for claim 42, it is characterised in that the wave beam mark of transmission wave beam of the generation of the reference signal sequence to sending the reference signal port is related.
- 45. according to the method for claim 42, it is characterised in that the generation of the reference signal sequence is related to the radio frequency link port-mark where the transmission wave beam for sending the reference signal port.
- 46. according to the method for claim 31, it is characterized in that, there is corresponding relation, the corresponding relation is determined by mode predetermined in advance or known by receiving signaling for network side between the reference signal resource specified and the transmission wave beam for sending the reference signal port.
- 47. according to the method for claim 31, it is characterized in that, there is corresponding relation between the reference signal port and the transmission wave beam for sending the reference signal port, the corresponding relation is determined by the mode made an appointment or known by receiving signaling for network side.
- 48. according to the method for claim 31, it is characterized in that, there is corresponding relation between radio frequency link port where the reference signal resource specified and the transmission wave beam of the transmission reference signal port, the corresponding relation is determined by the mode made an appointment or known by receiving signaling for network side.
- 49. according to the method for claim 31, it is characterized in that, there is corresponding relation between radio frequency link port where the transmission wave beam of the reference signal port and the transmission reference signal port, the corresponding relation is determined by the mode made an appointment or known by receiving signaling for network side.
- 50. according to the method for claim 46, it is characterised in that the corresponding relation includes one below:The continuous sub-carrier positions of the reference signal resource frequency domain specified every M from low to high correspond to the M different first kind and send wave beam in a fixed order;The continuous subcarrier of the reference signal resource frequency domain specified every M from high to low corresponds to the M different first kind and sends wave beam;Wherein, the M different first kind send wave beam and correspond to M different first kind precoding weights and identical the second class precoding weights, and the M is the integer more than 1.
- 51. according to the method for claim 46, it is characterised in that the corresponding relation includes:The every N number of continuous sub-carrier positions of the reference signal resource frequency domain specified from low to high or from high to low are a sub- carrier wave set, N number of subcarrier in each subcarrier group corresponds to N number of different first kind by permanent order and sends wave beam, N number of different first kind sends wave beam and correspond to N number of the second different class precoding weights and identical first kind precoding weights, and the first kind in different subcarrier groups sends wave beam and correspond to different first kind precoding weights and by sequentially correspondence identical the second class precoding weights of subcarrier in group.
- 52. method according to claim 51, it is characterised in that N number of subcarrier in each subcarrier group is located at N number of different time quantum respectively.
- 53. according to the method for claim 46, it is characterised in that the corresponding relation includes sub-carrier positions at equal intervals different in the reference signal resource specified and corresponds to different the second class transmission wave beams.
- 54. according to the method for claim 47, it is characterised in that the corresponding relation is included in the reference signal resource specified N number of reference signal port correspond to N number of different second class transmission wave beam on unit at the same time.
- 55. according to the method for claim 46, it is characterized in that, second equipment determines that the first kind sends the wave beam mark or wave beam mark scope of wave beam according to the sub-carrier positions where the reference signal port, and in the case that second equipment determines that the first kind sends the wave beam mark scope of wave beam according to the sub-carrier positions where the reference signal port, the wave beam that second equipment further determines first kind transmission wave beam by the blind Detecting in the range of wave beam mark identifies.
- 56. according to the method for claim 48, it is characterised in that radio frequency link port of second equipment according to where the sub-carrier positions determine the first kind transmission wave beam.
- 57. according to the method for claim 47, it is characterized in that, second equipment determines that second class sends the wave beam mark of wave beam or wave beam identifies scope according to the reference signal port, and in the case that second equipment determines that second class sends the wave beam mark scope of wave beam according to the reference signal port, the wave beam that second equipment further determines the second class transmission wave beam by blind Detecting in the range of being identified in the wave beam identifies.
- 58. according to the method for claim 49, it is characterised in that second equipment determines to send the radio frequency link port where second class sends wave beam according to the reference signal port.
- 59. according to the method for claim 49, it is characterized in that, second equipment is determined to send the radio frequency link port where second class sends wave beam according to the reference signal port, and the wave beam mark of transmission wave beam corresponding to radio frequency link port is determined by the way of blind Detecting.
- 60. according to the method for claim 31, it is characterised in that the value of the N includes at least one of:First equipment is used to send the maximum radio frequency link port number of the reference signal port, first kind transmission wave beam number, the second class transmission wave beam number, first kind precoding weights number, the second class precoding weights number, the maximum transmitted number of plies.
- 61. according to the method for claim 31, it is characterised in that the channel condition information includes first kind channel condition information or the second class channel condition information.
- 62. method according to claim 61, it is characterised in that the first kind channel condition information includes at least one of:Sub-carrier positions information, one or one group of first kind send channel quality information corresponding under radio frequency link port information, one or one group of transmission wave beam corresponding to wave beam where one or one group of first kind send wave beam identification information, one or one group of first kind send running time-frequency resource information corresponding to wave beam, one or one group of first kind sends wave beam, wave beam in wherein described one group of first kind transmission wave beam is respectively from different radio frequency link ports, wherein, one group of expression is multiple.
- 63. method according to claim 61, it is characterised in that the second class channel condition information includes at least one of:One or one group of second class send wave beam identification information, reference signal port information, one or one group of second class sends running time-frequency resource information corresponding to wave beam, one or one group of second class sends sub-carrier positions information corresponding to wave beam, sub-carrier positions information corresponding to the reference signal port, first kind precoding value information, the channel quality information under wave beam and first kind precoding weights is sent based on one or one group of second class, wave beam in wherein described one group of second class transmission wave beam is respectively from different radio frequency link ports, wherein, one group of expression is multiple.
- A kind of 64. measurement apparatus of channel condition information, it is characterised in that the first equipment is arranged on, including:Sending module, for N number of reference signal port to be sent into the second equipment on specified reference signal resource according to specified sending method, wherein, the reference signal port is used for the channel condition information between the first equipment and the second equipment described in second device measuring, and the N is positive integer;Receiving module, for receiving the channel condition information of the second equipment feedback.
- A kind of 65. measurement apparatus of channel condition information, it is characterised in that the second equipment is arranged on, including:Receiving module, for receiving N number of reference signal port of the first equipment transmission on specified reference signal resource;Processing module, for measuring the channel condition information between first equipment and the second equipment according to the reference signal port received on the reference signal resource specified, and give the information feedback to first equipment, wherein, the N is positive integer.
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CN111224754A (en) * | 2018-11-23 | 2020-06-02 | 华为技术有限公司 | Communication method, device, equipment, system and storage medium |
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