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CN106559114B - A kind of wave beam training method and device - Google Patents

A kind of wave beam training method and device Download PDF

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Publication number
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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wave beam
information
user terminal
transceiver
request message
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CN106559114A (en
Inventor
陈林
张芳
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2016/077125 priority patent/WO2016177165A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • 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

A kind of wave beam training method and device
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.
CN201510628542.8A 2015-09-28 2015-09-28 A kind of wave beam training method and device Active CN106559114B (en)

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