CN106559114B - A kind of wave beam training method and device - Google Patents
A kind of wave beam training method and device Download PDFInfo
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- CN106559114B CN106559114B CN201510628542.8A CN201510628542A CN106559114B CN 106559114 B CN106559114 B CN 106559114B CN 201510628542 A CN201510628542 A CN 201510628542A CN 106559114 B CN106559114 B CN 106559114B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
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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
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- Computer Networks & Wireless Communication (AREA)
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- Radio Transmission System (AREA)
Abstract
The invention discloses a kind of wave beam training methods, applied to base station, include: that sequence beam scanning transmitting is trained by transceiver array, the wave beam train request message for carrying beam transmission directional information and being used to indicate the received reception pattern information of omnidirectional antenna is sent to user terminal;After the wave beam training response message for receiving the carrying beam transmission direction feedback information of user terminal transmission, preferred beam transmission direction is determined;The wave beam train request message for carrying preferred beam transmission directional information with the reception pattern information for being used to indicate broad beam antenna array phase Rotation of receiver is sent to user terminal, emits training sequence along the preferred beam transmission direction of each transceiver;After the wave beam training response message for receiving the carrying wave beam receiving direction information of user terminal transmission, preferred wave beam receiving direction is determined.The present invention can provide a kind of quick wave beam training method for the antenna of high frequency mixed-beam figuration framework, can support the wave beam training of single user, multi-user.
Description
Technical field
The present invention relates to mobile communication technology field more particularly to a kind of wave beam training method and devices.
Background technique
The target of 5th third-generation mobile communication technology (5G) is: the mobile data flow in 1000 times of every region increases, every user
10 to 100 times of handling capacity increases, the growth of 10 to 100 times of number of devices of connection, the longer cell life that 10 times of low-power equipment
The decline postponed with end-to-end 5 times.In order to realize the target of 5G, some new wireless technology solutions must be proposed in 5G.
It wherein, the use of big bandwidth (500M-1GHz) is the main of solution Future Data business throughput exponential increase in millimeter wave frequency band
Solution.
Millimeter wave frequency band (10G-100G) since the path loss propagated in air is big, reflection and scattering phenomenon are serious, in order to
Guarantee the certain coverage area of website, needs using some new technical solutions.In view of millimeter wave frequency band wavelength up to a centimetre amount
Grade, the size of extensive antenna can control in suitable range, can be effective using extensive antenna and beamforming technique
The gain of raising system solves to propagate the unfavorable factors bring a series of problems such as path loss is big in high-frequency communication.
In LTE-A (Long Term Evolution-Advanced, long term evolution enhancing) system, wave beam forming be
Numeric field is multiplied by what a complex coefficient weight was realized to modulated baseband signal.But pure digi-tal wave beam is used in millimeter wave frequency band
Figuration technology, when antenna number increases on a large scale, required hardware cost can be steeply risen, thus be examined in millimeter wave frequency band industry
Considering at most is mixed-beam figuration scheme, that is, using the precoding technique of similar LTE-A in numeric field, and is being simulated
Beamforming technique is realized by adjusting the phase shifter before each antenna oscillator in domain.
In the related technology, a kind of scheme of wave beam forming is: emitting side and receiving side while beam scanning is carried out, that is,
Each transceiver of emitting side, each transceiver of receiving side need while being combined scanning, therefore, the time of wave beam training
It is longer.For LTE (Long Term Evolution, long term evolution) system, MU-MIMO (Multi-User Multiple-
Input Multiple-Output, multi-user's multiple-input and multiple-output) beamforming scheme under scene, need to choose two codes
Originally orthogonal user terminal (User Equipment, UE) goes to realize by joint precoding, the requirement to pairing user terminal
Higher, the complexity of realization is also high.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of wave beam training method and devices, can be high frequency mixed recharge
The antenna of beam figuration framework provides a kind of quick wave beam training method, can support the wave beam training of single user, multi-user, be
It dispatches one or more users and gets ready in base station.
The embodiment of the invention provides a kind of wave beam training methods, are applied to base station, this method comprises:
It is trained sequence beam scanning transmitting by transceiver array, is sent to user terminal and carries beam transmission direction
Information and the wave beam train request message for being used to indicate the received reception pattern information of omnidirectional antenna;
After the wave beam training response message for receiving the carrying beam transmission direction feedback information of user terminal transmission, determine
It is preferred that beam transmission direction;
It sends to carry preferred beam transmission directional information and be used to indicate broad beam antenna array phase to user terminal and revolve
The wave beam train request message for turning received reception pattern information emits training along the preferred beam transmission direction of each transceiver
Sequence;
After the wave beam training response message for receiving the carrying wave beam receiving direction information of user terminal transmission, determine preferred
Wave beam receiving direction.
Optionally it is determined that it is preferred that after wave beam receiving direction, further includes:
Wave beam is sent to user terminal and refines train request message, is sent out along the preferred beam transmission direction of each transceiver
Penetrate training sequence;In the wave beam fining for receiving the carrying channel state information CSI measurement result that the user terminal is sent
After training response message, the index of beam shape-endowing weight value and beam shape-endowing weight value is determined, by the index of the beam shape-endowing weight value
Information is sent to the user terminal.
Optionally, described to send wave beam fining train request message to user terminal, along the preferred wave of each transceiver
The beam direction of the launch emits training sequence, comprising:
Wave beam is sent to user terminal and refines train request message, wherein carrying the preferred beam transmission direction of training sequence
The preferred wave beam receiving direction information of information, training sequence and channel state information CSI measurement pattern information;Along each transceiver
It is preferred that beam transmission direction emits training sequence.
It is optionally, described that sequence beam scanning transmitting is trained by transceiver array, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal then selects identical transceiver array for different user terminals;
It is described to send wave beam fining train request message to user terminal, along the preferred beam transmission side of each transceiver
To transmitting training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
The terminal and corresponding transceiver array of each user terminal dispatched simultaneously and preferred beam transmission direction are same or similar, it is determined that
The corresponding digit phase of each user terminal adjusts the angle, and different user terminals is made to correspond to different digit phase adjusting angles
Degree;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, wherein carrying preferred beam transmission
Directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel state information CSI measurement pattern letter
Breath;It adjusts the angle information according to the digit phase to be adjusted the phase angle of transceiver array, along the excellent of each transceiver
Beam transmission direction is selected to emit training sequence.
It is optionally, described that sequence beam scanning transmitting is trained by transceiver array, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal selects different transceiver arrays then for different user terminals;
It is described to send wave beam fining train request message to user terminal, along the preferred beam transmission side of each transceiver
To transmitting training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal and the corresponding transceiver array difference of each user terminal dispatched simultaneously, then to each user terminal send wave of scheduling simultaneously
Beam refines train request message, wherein carrying preferred beam transmission directional information, preferably wave beam receiving direction information and channel
Status information CSI measurement pattern information emits training sequence along the preferred beam transmission direction of each transceiver.
Optionally, described that sequence beam scanning transmitting is trained by transceiver array, it sends and carries to user terminal
The wave beam train request message of beam transmission directional information and the reception pattern information for being used to indicate omnidirectional antenna reception pattern, packet
It includes:
The beam transmission direction of the transceiver array is traversed, behind the beam transmission direction for changing a transceiver every time,
Emit training sequence along the beam transmission direction of each transceiver, is sent to user terminal and carry beam transmission directional information and use
In the wave beam train request message of the reception pattern information of instruction omnidirectional antenna reception pattern.
Optionally, the beam transmission directional information includes: the wave beam of each of transceiver array transceiver
The information of the direction of the launch;
Beam transmission direction feedback information includes: the letter in the optimal beam transmission direction of received signal quality
Breath, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, or
Person, the information of the preferably multiple wave beam receiving directions of received signal quality.
The embodiment of the invention also provides a kind of wave beam training methods, are applied to user terminal, this method comprises:
It receives the carrying beam transmission directional information of base station transmission and is used to indicate the received reception pattern of omnidirectional antenna
After the wave beam train request message of information, the training sequence is received in multiple directions simultaneously by transceiver array, measurement connects
Receive signal quality;
After receiving all training sequences under omnidirectional antenna reception pattern, is sent to base station and carry beam transmission side
To the wave beam of feedback information training response message;
It receives the carrying beam transmission directional information of base station transmission and is used to indicate the rotation of broad beam antenna array phase
After the wave beam train request message of received reception pattern information, the phase of the transceiver in transceiver array described in circulation rotating
Angle, received training sequence measure received signal quality;
After receiving all training sequences under broad beam antenna array phase Rotation of receiver mode, sent to base station
Carry the wave beam training response message of wave beam receiving direction information.
Optionally, after the wave beam training response message for carrying wave beam receiving direction information is sent to base station, further includes:
After the wave beam fining train request message for receiving base station transmission, training is received in preferred wave beam receiving direction
Sequence, measure channel state information CSI give CSI measurement feedback to the base station;Receive the wave beam forming power that base station is sent
The index information of value.
Optionally, after the wave beam fining train request message for receiving base station transmission, in preferred wave beam recipient
Upward received training sequence, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include preferred beam transmission directional information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information,
The then received training sequence in the preferred wave beam receiving direction.
Optionally, after the wave beam fining train request message for receiving base station transmission, in preferred wave beam recipient
Upward received training sequence, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include that preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel shape
State information CSI measurement pattern information then adjusts the angle information according to digit phase and carries out to the phase angle of the transceiver array
Adjustment, along the preferred wave beam receiving direction received training sequence.
Optionally, the beam transmission directional information includes: the wave beam of each of transceiver array transceiver
The information of the direction of the launch;
Beam transmission direction feedback information includes: the letter in the optimal beam transmission direction of received signal quality
Breath, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, or
Person, the information of the preferably multiple wave beam receiving directions of received signal quality.
The embodiment of the invention provides a kind of wave beam training devices, are applied to base station, comprising:
First beam transmission and processing module, for being trained sequence beam scanning transmitting by transceiver array, to
User terminal sends the wave beam instruction for carrying beam transmission directional information and being used to indicate the received reception pattern information of omnidirectional antenna
Practice request message;
Second beam transmission and processing module carry preferred beam transmission directional information and use for sending to user terminal
In the wave beam train request message of the reception pattern information of instruction broad beam antenna array phase Rotation of receiver, along each transceiver
Preferred beam transmission direction emit training sequence;Receive the wave beam of the carrying wave beam receiving direction information of user terminal transmission
After training response message, preferred wave beam receiving direction is determined.
Optionally, described device further include:
Third beam transmission and processing module refine train request message for sending wave beam to user terminal, along
The preferred beam transmission direction of each transceiver emits training sequence;In the carrying channel status for receiving the user terminal transmission
After the wave beam of information CSI measurement result refines training response message, the rope of beam shape-endowing weight value and beam shape-endowing weight value is determined
Draw, the index information of the beam shape-endowing weight value is sent to the user terminal.
Optionally, third beam transmission and processing module disappear for sending wave beam fining train request to user terminal
Breath emits training sequence along the preferred beam transmission direction of each transceiver, comprising:
Wave beam is sent to user terminal and refines train request message, wherein carrying preferred beam transmission directional information, excellent
Select wave beam receiving direction information and channel state information CSI measurement pattern information;Along the preferred beam transmission side of each transceiver
To transmitting training sequence.
Optionally, first beam transmission and processing module, for being trained sequence wave beam by transceiver array
Scanning transmitting, comprising: when user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as need while scheduling is more
A user terminal then selects identical transceiver array for different user terminals;
The third beam transmission and processing module refine train request message for sending wave beam to user terminal,
Emit training sequence along the preferred beam transmission direction of each transceiver, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
The terminal and corresponding transceiver array of each user terminal dispatched simultaneously and preferred beam transmission direction are same or similar, it is determined that
The corresponding digit phase of each user terminal adjusts the angle, and different user terminals is made to correspond to different digit phase adjusting angles
Degree;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, wherein carrying preferred beam transmission
Directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel state information CSI measurement pattern letter
Breath;It adjusts the angle information according to the digit phase to be adjusted the phase angle of transceiver array, along the excellent of each transceiver
Beam transmission direction is selected to emit training sequence.
Optionally, first beam transmission and processing module, for being trained sequence wave beam by transceiver array
Scanning transmitting, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal selects different transceiver arrays then for different user terminals;
The third beam transmission and processing module refine train request message for sending wave beam to user terminal,
Emit training sequence along the preferred beam transmission direction of each transceiver, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal and the corresponding transceiver array difference of each user terminal dispatched simultaneously, then to each user terminal send wave of scheduling simultaneously
Beam refines train request message, wherein carrying preferred beam transmission directional information, preferably wave beam receiving direction information and channel
Status information CSI measurement pattern information emits training sequence along the preferred beam transmission direction of each transceiver.
Optionally, first beam transmission and processing module, for being trained sequence wave beam by transceiver array
Scanning transmitting, the reception mould for carrying beam transmission directional information and being used to indicate omnidirectional antenna reception pattern is sent to user terminal
The wave beam train request message of formula information, comprising:
The beam transmission direction of the transceiver array is traversed, behind the beam transmission direction for changing a transceiver every time,
Emit training sequence along the beam transmission direction of each transceiver, is sent to user terminal and carry beam transmission directional information and use
In the wave beam train request message of the reception pattern information of instruction omnidirectional antenna reception pattern.
Optionally, the beam transmission directional information includes: the wave beam of each of transceiver array transceiver
The information of the direction of the launch;
Beam transmission direction feedback information includes: the letter in the optimal beam transmission direction of received signal quality
Breath, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, or
Person, the information of the preferably multiple wave beam receiving directions of received signal quality.
The embodiment of the invention also provides a kind of wave beam training devices, are applied to user terminal, comprising:
First receive and processing module, for receive base station transmission carrying training sequence beam transmission directional information and
After being used to indicate the wave beam train request message of the received reception pattern information of omnidirectional antenna, by transceiver array simultaneously more
A direction receives the training sequence, measures received signal quality;All instructions are received under omnidirectional antenna reception pattern
After practicing sequence, the wave beam training response message for carrying training sequence beam transmission direction feedback information is sent to base station;
Second receive and processing module, for receive base station transmission carrying training sequence beam transmission directional information and
After being used to indicate the wave beam train request message of the reception pattern information of broad beam antenna array phase Rotation of receiver, circulation rotating
The phase angle of transceiver in the transceiver array, received training sequence measure received signal quality;In broad beam antenna battle array
After receiving all training sequences under column phase rotation reception pattern, is sent to base station and carry training sequence wave beam recipient
To the wave beam of information training response message.
Optionally, described device further include:
Third receives and processing module, after the wave beam fining train request message for receiving base station transmission, excellent
Received training sequence in wave beam receiving direction is selected, measure channel state information CSI gives CSI measurement feedback to the base station;
Receive the index information for the beam shape-endowing weight value that base station is sent.
Optionally, the third receives and processing module, the wave beam for receiving base station transmission refine train request
After message, the received training sequence in preferred wave beam receiving direction, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include preferred beam transmission directional information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information,
The then received training sequence in the preferred wave beam receiving direction of the training sequence.
Optionally, third receives and processing module, the wave beam for receiving base station transmission refine train request message
Afterwards, the received training sequence in preferred wave beam receiving direction, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include that preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel shape
State information CSI measurement pattern information then adjusts the angle information according to digit phase and carries out to the phase angle of the transceiver array
Adjustment, along the preferred wave beam receiving direction received training sequence.
Optionally, the beam transmission directional information includes: the wave beam of each of transceiver array transceiver
The information of the direction of the launch;
Beam transmission direction feedback information includes: the letter in the optimal beam transmission direction of received signal quality
Breath, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, or
Person, the information of the preferably multiple wave beam receiving directions of received signal quality.
Compared with prior art, a kind of wave beam training method provided by the invention and device, base station pass through transceiver array
It is trained sequence beam scanning transmitting, is sent to user terminal and is carried beam transmission directional information and be used to indicate omnidirectional antenna
The wave beam train request message of received reception pattern information, user terminal receive after to the preferred beam transmission side of base station feedback
To then base station is sent to user terminal carries preferred beam transmission directional information and be used to indicate broad beam antenna array phase
The wave beam train request message of the reception pattern information of Rotation of receiver emits instruction along the preferred beam transmission direction of each transceiver
Practice sequence, user terminal receive after to the preferred wave beam receiving direction of base station feedback.The present invention can be high frequency mixed-beam figuration
The antenna of framework provides a kind of quick wave beam training method, can support the wave beam training of single user, multi-user, be base station tune
One or more users are spent to get ready.
Detailed description of the invention
Fig. 1 is the schematic diagram of the mixed-beam figuration framework of the embodiment of the present invention.
Fig. 2 is a kind of wave beam training method (base station side) flow chart of the embodiment of the present invention.
Fig. 3 is a kind of wave beam training method (terminal side) flow chart of the embodiment of the present invention.
Fig. 4 is a kind of wave beam training device (base station side) schematic diagram of the embodiment of the present invention.
Fig. 5 is a kind of wave beam training device (terminal side) structural schematic diagram of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
A kind of mixed-beam figuration framework of N × M is as shown in Figure 1, wherein transceiver array includes N number of transceiver, each
Transceiver includes M antenna.ABF (Analog Beamforming, analog beam figuration) be to the antenna of each transceiver into
Row operation can be adjusted for the phase of the antenna of each transceiver.DBF (Digital Beamforming, digital wave
Beam figuration) it is to be operated to N number of transceiver, different phase operations can be carried out for different frequency points.DAC(Digital
Analog Converter) it is digital-analog convertor, PA is the power amplifier for each antenna.Antenna 0,
Antenna1 ..., Antenna (M-1) respectively represent the different antennae of a transceiver, Sector0, Sector1 ...,
Sector n-1 respectively represents a sector directions, the corresponding sector directions of a wave beam.
As shown in Fig. 2, it is applied to base station the embodiment of the invention provides a kind of wave beam training method, this method comprises:
S201 is trained sequence beam scanning transmitting by transceiver array, sends to user terminal and carry wave beam hair
It penetrates directional information and is used to indicate the wave beam train request message of the reception pattern information of omnidirectional antenna reception pattern;
Wherein, described that sequence beam scanning transmitting is trained by transceiver array, it is sent to user terminal and carries wave
The wave beam train request message of beam direction of the launch information and the reception pattern information for being used to indicate omnidirectional antenna reception pattern, packet
It includes: traversing the beam transmission direction of the transceiver array, behind the beam transmission direction for changing a transceiver every time, along each
The beam transmission direction of transceiver emits training sequence, sends to user terminal and carries beam transmission directional information and be used to indicate
The wave beam train request message of the reception pattern information of omnidirectional antenna reception pattern;
Wherein, the beam transmission directional information includes: the wave beam hair of each of transceiver array transceiver
Penetrate the information in direction;
Wherein, beam transmission direction can be indicated with transmitting sector number;
For example, the beam transmission direction of any one transceiver can be expressed as the two of transceiver number and transmitting sector number
Tuple (ai,bi);Wherein, aiIt is transceiver number, biIt is transmitting sector number;
Wherein, transceiver changes beam transmission direction by the way that different antenna phase angles is arranged;
Wherein, training sequence length information is also carried in the wave beam train request message;
Wherein, the antenna oscillator number of the transceiver of the transceiver array are as follows: 2,4 or 8;
Wherein, the width of wave beam can be changed by adjusting the antenna oscillator number of transceiver, and antenna oscillator number is more,
The width of wave beam is narrower;
Wherein, sequence beam scanning transmitting is trained by transceiver array, comprising:
Multi-user's multiple-input and multiple-output MU-MIMO (Multi-User Multiple-Input is supported in user terminal
Multiple-Output, multi-user's multiple-input and multiple-output) function when, such as need and meanwhile dispatch multiple user terminals, then be difference
The identical transceiver array of user terminal selecting or different transceiver arrays;
For example, base station can according to itself configuration network management parameter " single user scheduling ", " multi-user digital phase adjustment tune
Degree " or " scheduling of multi-user's difference transceiver " select the user specifically dispatched;For " scheduling of multi-user digital phase adjustment ",
Identical transceiver array can be selected for the different terminals for needing while dispatching;For " scheduling of multi-user's difference transceiver ",
Different transceiver arrays can be selected for the different terminals of needs while scheduling.
If the network management parameter configuration of base station is " scheduling of multi-user digital phase adjustment " mode, multiple users is selected to send out
Play wave beam training process, wherein can be that each user arbitrarily selects transceiver number from transceiver (0 ... N-1), for difference
The transceiver of user's selection can be overlapped between each other;And the frequency resource of follow-up work is distributed for each user, difference is used
It cannot be overlapped between the frequency resource of family work.After the frequency resource for selecting transceiver and work for each user, wave beam is initiated
Training process.
If the network management parameter configuration of base station is " scheduling of multi-user's difference transceiver " mode, multiple users is selected to initiate
Wave beam trains process, wherein can be that each user arbitrarily selects transceiver number, but different use from transceiver (0 ... N-1)
It cannot be overlapped between the transceiver of family selection;The frequency resource of each user job can be different or identical.?
After the frequency resource for selecting transceiver and work for each user, wave beam training process is initiated.Such as, it is assumed that there are 8 transmitting-receivings
Device needs to dispatch the user terminal of two support MU-MIMO functions simultaneously, then can choose 1~No. 4 transceiver and constitute transceiver
Array constitutes transceiver array to user terminal 2 to 1,5~No. 8 transceivers of user terminal.
S202 receives the wave beam training response message of the carrying beam transmission direction feedback information of user terminal transmission
Afterwards, preferred beam transmission direction is determined;
Wherein, beam transmission direction feedback information includes: the optimal beam transmission direction of received signal quality
Information, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
Wherein, the preferred beam transmission direction of the determination, comprising:
If beam transmission direction feedback information includes the letter in the optimal beam transmission direction of received signal quality
Breath, then be determined as preferred beam transmission direction for the optimal beam transmission direction of the received signal quality;Or
If beam transmission direction feedback information includes the letter in the preferably multiple beam transmission directions of received signal quality
Breath then selects a beam transmission direction to be determined as preferred beam transmission direction from the multiple beam transmission direction;
Wherein, the received signal quality can be using SINR (the Signal to Interference for receiving signal
Plus Noise Ratio, Signal to Interference plus Noise Ratio) it indicates, or using indexs such as the energy or intensity for receiving signal
To indicate;
S203 sends to user terminal and carries preferred beam transmission directional information and be used to indicate broad beam antenna array phase
The wave beam train request message of the reception pattern information of position Rotation of receiver emits along the preferred beam transmission direction of each transceiver
Training sequence;
Wherein, the preferred beam transmission directional information includes: the excellent of each of transceiver array transceiver
Select the information in beam transmission direction;
S204, after receiving the wave beam training response message for carrying wave beam receiving direction information that user terminal is sent, really
Fixed preferred wave beam receiving direction;
Wherein, the wave beam receiving direction information includes: the letter of the optimal wave beam receiving direction of received signal quality
Breath, alternatively, the information of the preferably multiple wave beam receiving directions of received signal quality;
Wherein, the preferred wave beam receiving direction of the determination, comprising:
If the wave beam receiving direction information includes the information of the optimal wave beam receiving direction of received signal quality, then
The optimal wave beam receiving direction of the received signal quality is determined as preferred wave beam receiving direction;Or
If the wave beam receiving direction information includes the information of the preferably multiple wave beam receiving directions of received signal quality, then
A wave beam receiving direction is selected to be determined as preferred wave beam receiving direction from the multiple wave beam receiving direction;
Wherein, the received signal quality can be indicated using the Signal to Interference plus Noise Ratio SINR for receiving signal,
Or it is indicated using indexs such as the energy or intensity for receiving signal;
S205 sends wave beam to user terminal and refines train request message, along the preferred beam transmission of each transceiver
Direction emits training sequence;
Wherein, described to send wave beam fining train request message to user terminal, along the preferred wave beam of each transceiver
The direction of the launch emits training sequence, comprising:
Wave beam is sent to user terminal and refines train request message, wherein carrying preferred beam transmission directional information, excellent
Select wave beam receiving direction information and channel state information CSI (Channel State Information) measurement pattern information;Edge
Each transceiver preferred beam transmission direction emit training sequence;
Wherein, the channel state information CSI measurement pattern includes: wide-band width measurement mode or subband measurement pattern;
Wherein, described to send wave beam fining train request message to user terminal, along the preferred wave beam of each transceiver
The direction of the launch emits training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
The terminal and corresponding transceiver array of each user terminal dispatched simultaneously and preferred beam transmission direction are same or similar, it is determined that
The corresponding digit phase of each user terminal adjusts the angle, and different user terminals is made to correspond to different digit phase adjusting angles
Degree;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, wherein carrying preferred beam transmission
Directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel state information CSI measurement pattern letter
Breath;It adjusts the angle information according to the digit phase to be adjusted the phase angle of transceiver array, along the excellent of each transceiver
Beam transmission direction is selected to emit training sequence;
Wherein, it when user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple
The user terminal and corresponding transceiver array of each user terminal dispatched simultaneously is different or part is identical, can also determine each
The corresponding digit phase of user terminal adjusts the angle, and so that different user terminals is corresponded to different digit phases and adjusts the angle;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, wherein carrying preferred beam transmission
Directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel state information CSI measurement pattern letter
Breath;It adjusts the angle information according to the digit phase to be adjusted the phase angle of transceiver array, along the excellent of each transceiver
Beam transmission direction is selected to emit training sequence;
Wherein, it is adjusted the angle, can be incited somebody to action by making the different user terminals dispatched simultaneously correspond to different digit phases
Different user terminals are dispatched in different frequency resources simultaneously;
Wherein, described to send wave beam fining train request message to user terminal, along the preferred wave beam of each transceiver
The direction of the launch emits training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal and the corresponding transceiver array difference of each user terminal dispatched simultaneously, then to each user terminal send wave of scheduling simultaneously
Beam refines train request message, wherein carrying preferred beam transmission directional information, preferably wave beam receiving direction information and channel
Status information CSI measurement pattern information emits training sequence along the preferred beam transmission direction of each transceiver;
Wherein, the width of wave beam can be changed by adjusting the antenna oscillator number of transceiver, and antenna oscillator number is more,
The width of wave beam is narrower;
S206, it is fine in the wave beam for receiving the carrying channel state information CSI measurement result that the user terminal is sent
After changing training response message, the index of beam shape-endowing weight value and beam shape-endowing weight value is determined, by the rope of the beam shape-endowing weight value
Fuse breath is sent to the user terminal;
Wherein, the index of the determining beam shape-endowing weight value and beam shape-endowing weight value, comprising:
According to PMI (Precoding Matrix Indicator, the pre-coding matrix in the CSI measurement result information
Indicating) value determines the index of beam shape-endowing weight value and beam shape-endowing weight value;
As shown in figure 3, being applied to user terminal, this method packet the embodiment of the invention provides a kind of wave beam training method
It includes:
S301 receives the carrying beam transmission directional information of base station transmission and is used to indicate the received reception of omnidirectional antenna
After the wave beam train request message of pattern information, the training sequence is received in multiple directions simultaneously by transceiver array, is surveyed
Measure received signal quality;
Wherein, the beam transmission directional information includes: the wave beam hair of each of transceiver array transceiver
Penetrate the information in direction;
Wherein, beam transmission direction can be indicated with transmitting sector number;
For example, the beam transmission direction of any one transceiver can be expressed as the two of transceiver number and transmitting sector number
Tuple (ai,bi);Wherein, aiIt is transceiver number, biIt is transmitting sector number;
Wherein, training sequence length information is also carried in the wave beam train request message;
Wherein, the measurement received signal quality, including measuring any one in following information: receiving the signal of signal
With interference plus noise ratio SINR, receives the energy of signal or receive the intensity of signal;
S302 after receiving all training sequences under omnidirectional antenna reception pattern, sends to base station and carries wave beam
The wave beam training response message of direction of the launch feedback information;
Wherein, beam transmission direction feedback information includes: the optimal beam transmission direction of received signal quality
Information, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
S303 receives the carrying beam transmission directional information of base station transmission and is used to indicate broad beam antenna array phase
After the wave beam train request message of the reception pattern information of Rotation of receiver, transceiver in transceiver array described in circulation rotating
Phase angle, received training sequence measure received signal quality;
Wherein, the measurement received signal quality, including measuring any one in following information: receiving the signal of signal
With interference plus noise ratio SINR, receives the energy of signal or receive the intensity of signal;
S304, after receiving all training sequences under broad beam antenna array phase Rotation of receiver mode, Xiang Ji
It stands and sends the wave beam training response message for carrying training sequence wave beam receiving direction information;
Wherein, the wave beam receiving direction information includes: the letter of the optimal wave beam receiving direction of received signal quality
Breath, alternatively, the information of the preferably multiple wave beam receiving directions of received signal quality;
S305 connects in preferred wave beam receiving direction after receiving the wave beam fining train request message that base station is sent
Training sequence is received, measure channel state information CSI gives CSI measurement feedback to the base station;
It wherein, include that (Precoding Matrix Indicator, pre-coding matrix refer to PMI in the CSI measurement result
Show) value;
Wherein, after the wave beam fining train request message for receiving base station transmission, in preferred wave beam receiving direction
Upper received training sequence, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include preferred beam transmission directional information, preferably wave beam receiving direction information and channel state information CSI (Channel
State Information) measurement pattern information, then the received training sequence in the preferred wave beam receiving direction;
Wherein, after the wave beam fining train request message for receiving base station transmission, in preferred wave beam receiving direction
Upper received training sequence, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include that preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel shape
State information CSI (Channel State Information) measurement pattern information then adjusts the angle information pair according to digit phase
The phase angle of the transceiver array is adjusted, along the preferred wave beam receiving direction received training sequence of the training sequence;
Wherein, the channel state information CSI measurement pattern includes: wide-band width measurement mode or subband measurement pattern;
S306 receives the index information for the beam shape-endowing weight value that base station is sent;
As shown in figure 4, being applied to base station the embodiment of the invention provides a kind of wave beam training device, comprising:
First beam transmission and processing module 401, for being trained sequence beam scanning transmitting by transceiver array,
The wave beam for carrying beam transmission directional information and being used to indicate the received reception pattern information of omnidirectional antenna is sent to user terminal
Train request message;
Second beam transmission and processing module 402 carry preferred beam transmission directional information for sending to user terminal
With the wave beam train request message for the reception pattern information for being used to indicate broad beam antenna array phase Rotation of receiver, along each receipts
The preferred beam transmission direction for sending out device emits training sequence;Receive the carrying wave beam receiving direction information of user terminal transmission
After wave beam training response message, preferred wave beam receiving direction is determined.
Wherein, described device further include:
Third beam transmission and processing module 403 refine train request message, edge for sending wave beam to user terminal
Each transceiver preferred beam transmission direction emit training sequence;In the carrying channel shape for receiving the user terminal transmission
After the wave beam of state information CSI measurement result refines training response message, beam shape-endowing weight value and beam shape-endowing weight value are determined
Index, is sent to the user terminal for the index information of the beam shape-endowing weight value.
Wherein, the third beam transmission and processing module 403 are asked for sending wave beam fining training to user terminal
Message is sought, emits training sequence along the preferred beam transmission direction of each transceiver, comprising:
Wave beam is sent to user terminal and refines train request message, wherein carrying preferred beam transmission directional information, excellent
Select wave beam receiving direction information and channel state information CSI measurement pattern information;Along the preferred beam transmission side of each transceiver
To transmitting training sequence.
Wherein, first beam transmission and processing module 401, for being trained sequence wave beam by transceiver array
Scanning transmitting, comprising: when user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as need while scheduling is more
A user terminal then selects identical transceiver array for different user terminals;
The third beam transmission and processing module 403 disappear for sending wave beam fining train request to user terminal
Breath emits training sequence along the preferred beam transmission direction of each transceiver, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
The terminal and corresponding transceiver array of each user terminal dispatched simultaneously and preferred beam transmission direction are same or similar, it is determined that
The corresponding digit phase of each user terminal adjusts the angle, and different user terminals is made to correspond to different digit phase adjusting angles
Degree;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, wherein carrying preferred beam transmission
Directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel state information CSI measurement pattern letter
Breath;It adjusts the angle information according to the digit phase to be adjusted the phase angle of transceiver array, along the excellent of each transceiver
Beam transmission direction is selected to emit training sequence.
Wherein, first beam transmission and processing module 401, for being trained sequence wave beam by transceiver array
Scanning transmitting, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal selects different transceiver arrays then for different user terminals;
The third beam transmission and processing module 403 disappear for sending wave beam fining train request to user terminal
Breath emits training sequence along the preferred beam transmission direction of each transceiver, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple users
Terminal and the corresponding transceiver array difference of each user terminal dispatched simultaneously, then to each user terminal send wave of scheduling simultaneously
Beam refines train request message, wherein carrying preferred beam transmission directional information, preferably wave beam receiving direction information and channel
Status information CSI measurement pattern information emits training sequence along the preferred beam transmission direction of each transceiver.
Wherein, first beam transmission and processing module 401, for being trained sequence wave beam by transceiver array
Scanning transmitting, the reception mould for carrying beam transmission directional information and being used to indicate omnidirectional antenna reception pattern is sent to user terminal
The wave beam train request message of formula information, comprising:
The beam transmission direction of the transceiver array is traversed, behind the beam transmission direction for changing a transceiver every time,
Emit training sequence along the beam transmission direction of each transceiver, is sent to user terminal and carry beam transmission directional information and use
In the wave beam train request message of the reception pattern information of instruction omnidirectional antenna reception pattern.
Wherein, the beam transmission directional information includes: the wave beam hair of each of transceiver array transceiver
Penetrate the information in direction;
Beam transmission direction feedback information includes: the letter in the optimal beam transmission direction of received signal quality
Breath, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, or
Person, the information of the preferably multiple wave beam receiving directions of received signal quality.
As shown in figure 5, being applied to user terminal the embodiment of the invention provides a kind of wave beam training device, comprising:
First reception and processing module 501, for receiving the carrying training sequence beam transmission direction letter of base station transmission
After ceasing and being used to indicate the wave beam train request message of the received reception pattern information of omnidirectional antenna, simultaneously by transceiver array
The training sequence is received in multiple directions, measures received signal quality;It is received under omnidirectional antenna reception pattern all
Training sequence after, to base station send carry training sequence beam transmission direction feedback information wave beam training response message;
Second reception and processing module 502, for receiving the carrying training sequence beam transmission direction letter of base station transmission
After ceasing and being used to indicate the wave beam train request message of reception pattern information of broad beam antenna array phase Rotation of receiver, circulation
The phase angle of the transceiver in the transceiver array is rotated, received training sequence measures received signal quality;In broad beam day
After receiving all training sequences under linear array phase rotation reception pattern, carrying training sequence wave beam is sent to base station and is connect
Receive the wave beam training response message of directional information.
Wherein, described device further include:
Third receives and processing module 503, after the wave beam fining train request message for receiving base station transmission,
It is preferred that received training sequence in wave beam receiving direction, measure channel state information CSI give CSI measurement feedback to the base
It stands;Receive the index information for the beam shape-endowing weight value that base station is sent.
Wherein, the third receives and processing module 503, the wave beam for receiving base station transmission refine train request
After message, the received training sequence in preferred wave beam receiving direction, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include preferred beam transmission directional information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information,
The then received training sequence in the preferred wave beam receiving direction of the training sequence.
Wherein, third receives and processing module 503, the wave beam for receiving base station transmission refine train request message
Afterwards, the received training sequence in preferred wave beam receiving direction, comprising:
After the wave beam fining train request message for receiving base station transmission, such as the wave beam refines train request message
In include that preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjust the angle information and channel shape
State information CSI measurement pattern information then adjusts the angle information according to digit phase and carries out to the phase angle of the transceiver array
Adjustment, along the preferred wave beam receiving direction received training sequence.
Wherein, the beam transmission directional information includes: the wave beam hair of each of transceiver array transceiver
Penetrate the information in direction;
Beam transmission direction feedback information includes: the letter in the optimal beam transmission direction of received signal quality
Breath, alternatively, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, or
Person, the information of the preferably multiple wave beam receiving directions of received signal quality.
A kind of wave beam training method provided by the above embodiment and device, base station are trained sequence by transceiver array
Beam scanning transmitting sends to user terminal and carries beam transmission directional information and be used to indicate the received reception mould of omnidirectional antenna
The wave beam train request message of formula information, user terminal receive after to the preferred beam transmission direction of base station feedback, then base station to
User terminal, which is sent, to be carried preferred beam transmission directional information and is used to indicate connecing for broad beam antenna array phase Rotation of receiver
The wave beam train request message for receiving pattern information emits training sequence, user along the preferred beam transmission direction of each transceiver
Terminal receive after to the preferred wave beam receiving direction of base station feedback.The embodiment of the present invention can be high frequency mixed-beam figuration framework
Antenna provides a kind of quick wave beam training method, can support the wave beam training of single user, multi-user, dispatch one for base station
Or multiple users get ready.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits also can be used to realize, accordingly in all or part of the steps of above-described embodiment
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
It should be noted that the invention may also have other embodiments, without departing substantially from spirit of that invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these are corresponding
Change and modification all should fall within the scope of protection of the appended claims of the present invention.
Claims (24)
1. a kind of wave beam training method is applied to base station, this method comprises:
It is trained sequence beam scanning transmitting by transceiver array, is sent to user terminal and carries beam transmission directional information
With the wave beam train request message for being used to indicate the received reception pattern information of omnidirectional antenna;
After the wave beam training response message for receiving the carrying beam transmission direction feedback information of user terminal transmission, determine preferred
Beam transmission direction;
It sends to carry preferred beam transmission directional information and be used to indicate the rotation of broad beam antenna array phase to user terminal and connect
The wave beam train request message of the reception pattern information of receipts emits training sequence along the preferred beam transmission direction of each transceiver
Column;
After the wave beam training response message for receiving the carrying wave beam receiving direction information of user terminal transmission, preferred wave beam is determined
Receiving direction.
2. the method as described in claim 1, which is characterized in that after determining preferred wave beam receiving direction, further includes:
Wave beam is sent to user terminal and refines train request message, emits instruction along the preferred beam transmission direction of each transceiver
Practice sequence;In the wave beam fining training for receiving the carrying channel state information CSI measurement result that the user terminal is sent
After response message, the index of beam shape-endowing weight value and beam shape-endowing weight value is determined, by the index information of the beam shape-endowing weight value
It is sent to the user terminal.
3. method according to claim 2, it is characterised in that:
It is described to send wave beam fining train request message to user terminal, it is sent out along the preferred beam transmission direction of each transceiver
Penetrate training sequence, comprising:
Wave beam is sent to user terminal and refines train request message, and the wave beam fining train request message carries preferred wave
Beam direction of the launch information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information;Along each transceiver
Preferred beam transmission direction emit training sequence.
4. method according to claim 2, it is characterised in that:
It is described that sequence beam scanning transmitting is trained by transceiver array, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, multiple user terminals are such as needed while dispatching,
Then identical transceiver array is selected for different user terminals;
It is described to send wave beam fining train request message to user terminal, it is sent out along the preferred beam transmission direction of each transceiver
Penetrate training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple user terminals
And the corresponding transceiver array of each user terminal dispatched simultaneously and preferred beam transmission direction are same or similar, it is determined that each
The corresponding digit phase of a user terminal adjusts the angle, and so that different user terminals is corresponded to different digit phases and adjusts the angle;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, and the wave beam fining train request disappears
Breath carries preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjusts the angle information and channel shape
State information CSI measurement pattern information;Information is adjusted the angle according to the digit phase to adjust the phase angle of transceiver array
It is whole, emit training sequence along the preferred beam transmission direction of each transceiver.
5. method according to claim 2, it is characterised in that:
It is described that sequence beam scanning transmitting is trained by transceiver array, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, multiple user terminals are such as needed while dispatching,
Then different transceiver arrays is selected for different user terminals;
It is described to send wave beam fining train request message to user terminal, it is sent out along the preferred beam transmission direction of each transceiver
Penetrate training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple user terminals
And the corresponding transceiver array of each user terminal dispatched simultaneously is different, then sends wave beam essence to each user terminal of scheduling simultaneously
Train request message is refined, the wave beam fining train request message carries preferred beam transmission directional information, preferably wave beam
Receiving direction information and channel state information CSI measurement pattern information emit along the preferred beam transmission direction of each transceiver
Training sequence.
6. method according to any one of claims 1 to 5, it is characterised in that:
It is described that sequence beam scanning transmitting is trained by transceiver array, it is sent to user terminal and carries beam transmission direction
The wave beam train request message of information and the reception pattern information for being used to indicate omnidirectional antenna reception pattern, comprising:
The beam transmission direction of the transceiver array is traversed, behind the beam transmission direction for changing a transceiver every time, along
The beam transmission direction of each transceiver emits training sequence, sends to user terminal and carries beam transmission directional information and for referring to
Show the wave beam train request message of the reception pattern information of omnidirectional antenna reception pattern.
7. method according to any one of claims 1 to 5, it is characterised in that:
The beam transmission directional information includes: the letter in the beam transmission direction of each of transceiver array transceiver
Breath;
Beam transmission direction feedback information includes: the information in the optimal beam transmission direction of received signal quality, or
Person, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, alternatively, connecing
The information of multiple wave beam receiving directions of collection of letters better quality.
8. a kind of wave beam training method is applied to user terminal, this method comprises:
It receives the carrying beam transmission directional information of base station transmission and is used to indicate the received reception pattern information of omnidirectional antenna
Wave beam train request message after, by transceiver array simultaneously in multiple directions received training sequence, measurement receives signal matter
Amount;
After receiving all training sequences under omnidirectional antenna reception pattern, it is anti-that carrying beam transmission direction is sent to base station
The wave beam training response message of feedforward information;
It receives the preferred beam transmission directional information of carrying of base station transmission and is used to indicate the rotation of broad beam antenna array phase
After the wave beam train request message of received reception pattern information, the phase of the transceiver in transceiver array described in circulation rotating
Angle, received training sequence measure received signal quality;
After receiving all training sequences under broad beam antenna array phase Rotation of receiver mode, sends and carry to base station
The wave beam training response message of wave beam receiving direction information.
9. method according to claim 8, which is characterized in that send the wave beam instruction for carrying wave beam receiving direction information to base station
After practicing response message, further includes:
After the wave beam fining train request message for receiving base station transmission, training sequence is received in preferred wave beam receiving direction
Column, measure channel state information CSI give CSI measurement feedback to the base station;Receive the beam shape-endowing weight value that base station is sent
Index information.
10. method as claimed in claim 9, it is characterised in that:
After the wave beam fining train request message for receiving base station transmission, training is received in preferred wave beam receiving direction
Sequence, comprising:
After the wave beam fining train request message for receiving base station transmission, as wrapped in wave beam fining train request message
Preferred beam transmission directional information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information are included, then is existed
Received training sequence in the preferred wave beam receiving direction.
11. method as claimed in claim 9, it is characterised in that:
After the wave beam fining train request message for receiving base station transmission, training is received in preferred wave beam receiving direction
Sequence, comprising:
After the wave beam fining train request message for receiving base station transmission, as wrapped in wave beam fining train request message
Include preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjusts the angle information and channel status letter
CSI measurement pattern information is ceased, then information is adjusted the angle according to digit phase and the phase angle of the transceiver array is adjusted,
Along the preferred wave beam receiving direction received training sequence.
12. the method as described in any one of claim 8-11, it is characterised in that:
The beam transmission directional information includes: the letter in the beam transmission direction of each of transceiver array transceiver
Breath;
Beam transmission direction feedback information includes: the information in the optimal beam transmission direction of received signal quality, or
Person, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, alternatively, connecing
The information of multiple wave beam receiving directions of collection of letters better quality.
13. a kind of wave beam training device is applied to base station, comprising:
First beam transmission and processing module, for being trained sequence beam scanning transmitting by transceiver array, to user
Terminal sends carrying beam transmission directional information asks with the wave beam training for being used to indicate the received reception pattern information of omnidirectional antenna
Seek message;After the wave beam training response message for receiving the carrying beam transmission direction feedback information of user terminal transmission, determine
It is preferred that beam transmission direction;
Second beam transmission and processing module carry preferred beam transmission directional information and for referring to for sending to user terminal
The wave beam train request message for showing the reception pattern information of broad beam antenna array phase Rotation of receiver, along the excellent of each transceiver
Beam transmission direction is selected to emit training sequence;Receive the wave beam training of the carrying wave beam receiving direction information of user terminal transmission
After response message, preferred wave beam receiving direction is determined.
14. device as claimed in claim 13, which is characterized in that further include:
Third beam transmission and processing module refine train request message for sending wave beam to user terminal, along each receipts
The preferred beam transmission direction for sending out device emits training sequence;In the carrying channel state information for receiving the user terminal transmission
After the wave beam of CSI measurement result refines training response message, the index of beam shape-endowing weight value and beam shape-endowing weight value is determined, it will
The index information of the beam shape-endowing weight value is sent to the user terminal.
15. device as claimed in claim 14, it is characterised in that:
Third beam transmission and processing module refine train request message for sending wave beam to user terminal, along each receipts
The preferred beam transmission direction for sending out device emits training sequence, comprising:
Wave beam is sent to user terminal and refines train request message, and the wave beam fining train request message carries preferred wave
Beam direction of the launch information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information;Along each transceiver
Preferred beam transmission direction emit training sequence.
16. device as claimed in claim 14, it is characterised in that:
First beam transmission and processing module, for being trained sequence beam scanning transmitting, packet by transceiver array
It includes: when user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needing while dispatching multiple user terminals,
Then identical transceiver array is selected for different user terminals;
The third beam transmission and processing module refine train request message for sending wave beam to user terminal, along
The preferred beam transmission direction of each transceiver emits training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple user terminals
And the corresponding transceiver array of each user terminal dispatched simultaneously and preferred beam transmission direction are same or similar, it is determined that each
The corresponding digit phase of a user terminal adjusts the angle, and so that different user terminals is corresponded to different digit phases and adjusts the angle;
Wave beam is sent to each user terminal of scheduling simultaneously and refines train request message, and the wave beam fining train request disappears
Breath carries preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjusts the angle information and channel shape
State information CSI measurement pattern information;Information is adjusted the angle according to the digit phase to adjust the phase angle of transceiver array
It is whole, emit training sequence along the preferred beam transmission direction of each transceiver.
17. device as claimed in claim 14, it is characterised in that:
First beam transmission and processing module, for being trained sequence beam scanning transmitting, packet by transceiver array
It includes:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, multiple user terminals are such as needed while dispatching,
Then different transceiver arrays is selected for different user terminals;
The third beam transmission and processing module refine train request message for sending wave beam to user terminal, along
The preferred beam transmission direction of each transceiver emits training sequence, comprising:
When user terminal supports multi-user's multiple-input and multiple-output MU-MIMO function, such as needs while dispatching multiple user terminals
And the corresponding transceiver array of each user terminal dispatched simultaneously is different, then sends wave beam essence to each user terminal of scheduling simultaneously
Train request message is refined, the wave beam fining train request message carries preferred beam transmission directional information, preferably wave beam
Receiving direction information and channel state information CSI measurement pattern information emit along the preferred beam transmission direction of each transceiver
Training sequence.
18. the device as described in any one of claim 13-17, it is characterised in that:
First beam transmission and processing module, for being trained sequence beam scanning transmitting by transceiver array, to
User terminal sends the wave for carrying beam transmission directional information with the reception pattern information for being used to indicate omnidirectional antenna reception pattern
Beam train request message, comprising:
The beam transmission direction of the transceiver array is traversed, behind the beam transmission direction for changing a transceiver every time, along
The beam transmission direction of each transceiver emits training sequence, sends to user terminal and carries beam transmission directional information and for referring to
Show the wave beam train request message of the reception pattern information of omnidirectional antenna reception pattern.
19. the device as described in any one of claim 13-17, it is characterised in that:
The beam transmission directional information includes: the letter in the beam transmission direction of each of transceiver array transceiver
Breath;
Beam transmission direction feedback information includes: the information in the optimal beam transmission direction of received signal quality, or
Person, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, alternatively, connecing
The information of multiple wave beam receiving directions of collection of letters better quality.
20. a kind of wave beam training device is applied to user terminal, comprising:
First reception and processing module, for receiving the carrying training sequence beam transmission directional information of base station transmission and being used for
After the wave beam train request message for indicating the received reception pattern information of omnidirectional antenna, by transceiver array simultaneously in multiple sides
To the training sequence is received, received signal quality is measured;All training sequences are received under omnidirectional antenna reception pattern
After column, the wave beam training response message for carrying training sequence beam transmission direction feedback information is sent to base station;
Second receive and processing module, for receive base station transmission the preferred training sequence beam transmission directional information of carrying and
After being used to indicate the wave beam train request message of the reception pattern information of broad beam antenna array phase Rotation of receiver, circulation rotating
The phase angle of transceiver in the transceiver array, received training sequence measure received signal quality;In broad beam antenna battle array
After receiving all training sequences under column phase rotation reception pattern, is sent to base station and carry training sequence wave beam recipient
To the wave beam of information training response message.
21. device as claimed in claim 20, which is characterized in that further include:
Third receives and processing module, after the wave beam fining train request message for receiving base station transmission, in preferred wave
Received training sequence in beam receiving direction, measure channel state information CSI give CSI measurement feedback to the base station;It receives
The index information for the beam shape-endowing weight value that base station is sent.
22. device as claimed in claim 21, it is characterised in that:
The third receives and processing module, after the wave beam fining train request message for receiving base station transmission, excellent
Select received training sequence in wave beam receiving direction, comprising:
After the wave beam fining train request message for receiving base station transmission, as wrapped in wave beam fining train request message
Preferred beam transmission directional information, preferably wave beam receiving direction information and channel state information CSI measurement pattern information are included, then is existed
Received training sequence in the preferred wave beam receiving direction.
23. device as claimed in claim 21, it is characterised in that:
Third receives and processing module, after the wave beam fining train request message for receiving base station transmission, in preferred wave
Received training sequence in beam receiving direction, comprising:
After the wave beam fining train request message for receiving base station transmission, as wrapped in wave beam fining train request message
Include preferred beam transmission directional information, preferably wave beam receiving direction information, digit phase adjusts the angle information and channel status letter
CSI measurement pattern information is ceased, then information is adjusted the angle according to digit phase and the phase angle of the transceiver array is adjusted,
Along the preferred wave beam receiving direction received training sequence.
24. the device as described in any one of claim 20-23, it is characterised in that:
The beam transmission directional information includes: the letter in the beam transmission direction of each of transceiver array transceiver
Breath;
Beam transmission direction feedback information includes: the information in the optimal beam transmission direction of received signal quality, or
Person, the information in the preferably multiple beam transmission directions of received signal quality;
The wave beam receiving direction information includes: the information of the optimal wave beam receiving direction of received signal quality, alternatively, connecing
The information of multiple wave beam receiving directions of collection of letters better quality.
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CN108155922A (en) * | 2016-12-05 | 2018-06-12 | 中国电信股份有限公司 | CSI feedback method and device based on wave beam forming |
US11228348B2 (en) | 2017-01-13 | 2022-01-18 | Qualcomm Incorporated | Efficient beamforming technique |
CN108736930B (en) * | 2017-04-21 | 2020-12-15 | 华为技术有限公司 | Method and network device for transmitting data |
CN109004958B (en) * | 2017-06-06 | 2021-05-25 | 财团法人工业技术研究院 | User equipment and operation method thereof, network device and operation method thereof |
CN107370493B (en) * | 2017-06-08 | 2019-05-31 | 东南大学 | Millimeter wave transmission method and communication system of the low Precision A/D C in conjunction with mixing precoding |
CN107359922B (en) * | 2017-06-27 | 2019-11-12 | 中国电子科技集团公司第五十四研究所 | A kind of neighbours that beam scanning is combined with DOA discovery and accuracy alignment method |
EP3531572A4 (en) | 2017-07-06 | 2020-01-22 | Huawei Technologies Co., Ltd. | Beam-forming training method, receiving device and sending device |
CN109429235B (en) * | 2017-08-30 | 2022-04-01 | ***通信有限公司研究院 | Beam scanning method, network side equipment and mobile communication terminal |
CN109462425B (en) * | 2017-09-06 | 2021-08-13 | 华为技术有限公司 | Beam scanning indication method and device |
CN109687895A (en) * | 2017-10-19 | 2019-04-26 | 华为技术有限公司 | Wave beam training method and wave beam training device |
CN110098856B (en) * | 2018-01-31 | 2021-06-22 | 华为技术有限公司 | Antenna device and related equipment |
CN113036456B (en) * | 2018-02-28 | 2024-07-05 | 华为技术有限公司 | Antenna device and related equipment |
WO2020020080A1 (en) * | 2018-07-23 | 2020-01-30 | 华为技术有限公司 | Beam management method and related device |
US10708090B1 (en) | 2018-12-27 | 2020-07-07 | Industrial Technology Research Institute | Millimeter wave channel estimation method |
US11985515B2 (en) * | 2019-11-04 | 2024-05-14 | Qualcomm Incorporated | Methods and apparatuses for dynamic antenna array reconfiguration and signaling in millimeter wave bands |
US12040860B2 (en) | 2020-01-21 | 2024-07-16 | Qualcomm Incorporated | Techniques for antenna subset selection in upper millimeter wave bands |
CN117177361A (en) * | 2022-05-23 | 2023-12-05 | 华为技术有限公司 | Communication method and device |
CN117938220A (en) * | 2024-01-15 | 2024-04-26 | 国家工业信息安全发展研究中心 | Method for realizing mobile antenna beam training framework for safe transmission |
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US8811907B2 (en) * | 2009-11-04 | 2014-08-19 | Nec Corporation | Control method of radio communication system, radio communication system, and radio communication apparatus |
KR20130127347A (en) * | 2012-05-10 | 2013-11-22 | 삼성전자주식회사 | Method and apparatus for communication on analog and digital hybrid beam-forming |
CN104639222A (en) * | 2015-02-03 | 2015-05-20 | 芜湖航飞科技股份有限公司 | Self-adaptive beam forming method of intelligent antenna |
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