CN108092700A - The method and apparatus of data transmission - Google Patents
The method and apparatus of data transmission Download PDFInfo
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- CN108092700A CN108092700A CN201611032154.4A CN201611032154A CN108092700A CN 108092700 A CN108092700 A CN 108092700A CN 201611032154 A CN201611032154 A CN 201611032154A CN 108092700 A CN108092700 A CN 108092700A
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- antenna
- submatrix
- user equipment
- equipment
- reference signal
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Classifications
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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
- H04B7/0602—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 antenna switching
- H04B7/0608—Antenna selection according to transmission parameters
- H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
Abstract
This application provides a kind of methods and apparatus of data transmission.This method includes：The network equipment sends supplementary reference signal by each initial antenna submatrix in multiple initial antenna submatrixs, which includes at least one antenna element；The network equipment receives the feedback information that each user equipment is sent in multiple user equipmenies, the channel quality information which includes the quantity of the antenna element in the receiving antenna array of each user equipment and each user equipment is determined according to the supplementary reference signal received；The feedback information that the network equipment is sent according to each user equipment in the plurality of user equipment, determines multiple target antenna submatrixs, and each antenna submatrix includes at least one antenna element in the plurality of target antenna submatrix；The network equipment, which is based on each target antenna submatrix in the plurality of target antenna submatrix, to carry out data transmission.The method and apparatus of the data transmission provided using the application can improve the utilization rate of network equipment antenna resources.
Description
Technical field
This application involves the communications field, more particularly, to the method and apparatus of data transmission in the communications field.
Background technology
It is existing with continuous promotion of the user to requirements such as message transmission rate, the communication qualities of mobile communication now
The frequency range of mobile communication has become very crowded.However, still possess on the millimeter wave frequency band of 6-300GHz largely also not
Allocated frequency spectrum resource.Millimeter wave frequency band is introduced into honeycomb access communications, makes full use of the big band of millimeter wave frequency band
Wide resource is one of important research direction of next-generation 5G mobile communication technologies.
In existing research, the high band using millimeter wave frequency band as representative is mainly used in indoor short distance communication field
Scape.In outdoor scene, since its is with a varied topography, in addition high band path loss is larger, it is weak to penetrate barrier ability and some
The features such as frequency domain attenuation is serious, seriously constrains application of the high band in outdoor scene.However, high band is since its wavelength is short,
It easily realizes large scale array antenna, big directional aerial gain can be brought by beam forming technique, so as to effectively compensate
High path loss, this also provides possibility for high band in the application that the middle and long distance of outdoor scene transmits.In addition, directional beam into
Shape can allow base station equipment in same frequency range while give multi-user installation directive sending different signal, these signals mutually it
Between will not be by excessive interference, so as to form multiple-input and multiple-output (Multi Input Multi Output, MIMO) system, at double
Rate is promoted, so as to further lifting system spectrum efficiency.
In existing millimeter wave mimo system framework, the transmission antenna array of base station is divided into mutiple antennas submatrix
Row, the antenna element quantity that each sub-array antenna includes is identical, therefore, by the send wave formed after beamforming training
The antenna gain of beam is fixed, in the case where user equipment is not very big to the demand of antenna gain, antenna can be caused to increase
The waste of benefit, the utilization rate for causing base station antenna resource are relatively low.
The content of the invention
This application provides a kind of method and apparatus of data transmission, the utilization of network equipment antenna resources can be improved
Rate.
In a first aspect, this application provides a kind of method of data transmission, this method includes：
The network equipment sends supplementary reference signal by each initial antenna submatrix in multiple initial antenna submatrixs, this is each
Initial antenna submatrix includes at least one antenna element；
The network equipment receives the feedback information that each user equipment is sent in multiple user equipmenies, which includes
The quantity of antenna element in the receiving antenna array of each user equipment and each user equipment are auxiliary according to what is received
Help the channel quality information that reference signal determines；
The network equipment determines multiple targets according to the feedback information that each user equipment is sent in the plurality of user equipment
Antenna submatrix, each antenna submatrix includes at least one antenna element in the plurality of target antenna submatrix；
The network equipment, which is based on each target antenna submatrix in the plurality of target antenna submatrix, to carry out data transmission.
The method for the data transmission that the application provides, the network equipment pass through each initial antenna in multiple initial antenna submatrixs
Submatrix sends supplementary reference signal, receives the feedback information that each user equipment is sent in the plurality of user equipment, and according to this
The feedback information for the supplementary reference signal that each user equipment is sent, determines multiple target antenna submatrixs in multiple user equipmenies,
The feedback information includes the quantity and each user equipment of the antenna element in the receiving antenna array of each user equipment
The channel quality information that supplementary reference signal according to receiving determines.
It is to be understood that each initial antenna submatrix panel of the network equipment is followed by a radio frequency link, formed individual all the way
Analog channel, after being trained by wave beam, formation sends wave beam all the way, can pass through the transmission wave beam and the transmission wave cover
In the range of user equipment carry out data transmission.
Optionally, multiple initial antenna submatrixs of the network equipment can be institute in the transmission antenna array of the decile network equipment
There is an antenna element or some antennas a period of time obtains, the application is not construed as limiting this.
Specifically, the method for data transmission provided in an embodiment of the present invention, the network equipment can be according to user equipmenies
Feedback information adjusts multiple initial antenna submatrixs into Mobile state, forms multiple target antenna submatrixs, set with adapting to active user
Standby demand, improves the utilization rate of network equipment antenna resources, and is capable of the total throughout of lifting system.
Optionally, which can determine the day that each target antenna submatrix includes in the plurality of target antenna submatrix
The quantity of linear array, and to each target antenna submatrix according to initial antenna submatrix corresponding with each target antenna submatrix
Beam direction carry out wave beam training, formed send wave beam.
Optionally, which can determine the day that each target antenna submatrix includes in the plurality of target antenna submatrix
The quantity and antenna direction of linear array, and wave beam training is carried out to each target antenna submatrix antenna direction, it is formed and sent
Wave beam.
Optionally, which can pass sequentially through in the plurality of initial antenna submatrix each initial antenna submatrix to hair
It send supplementary reference signal or the network equipment can each initial antenna submatrix be sent out into the plurality of initial antenna submatrix simultaneously
Supplementary reference signal is sent, the application is not construed as limiting this.
With reference to first aspect, in the first possible realization method of first aspect, the network equipment is according to the plurality of
The feedback information that each user equipment is sent in user equipment, determines multiple target antenna submatrixs, including：The network equipment according to
Each initial antenna submatrix bag in the feedback information of each user equipment, the plurality of initial antenna submatrix in the plurality of user equipment
The quantity of the quantity of the antenna element included and the plurality of initial antenna submatrix determines the plurality of target antenna submatrix.
Specifically, which can combine the feedback information of each user equipment in multiple user equipmenies, more to this
The number for the antenna element that each initial antenna submatrix includes in the quantity of a initial antenna submatrix and the plurality of initial antenna submatrix
It measures and is adjusted into Mobile state, form the plurality of target antenna submatrix.
With reference to first aspect or the first possible realization method of first aspect, second in first aspect are possible
In realization method, which includes at least one in following message：Signal to Noise Ratio (SNR), signal and interference plus noise
Than SINR, received signal strength indicator RSSI information.
With reference to first aspect, the first or second of possible realization method of first aspect, the 3rd of first aspect the
In kind possible realization method, if the channel quality information includes signal-to-noise ratio, each target in the plurality of target antenna submatrix
The antenna element quantity that antenna submatrix includes is definite according to the following formula：
Wherein,L be the plurality of initial antenna submatrix quantity, NtFor the transmission of the network equipment
The total quantity for the antenna element that aerial array includes, NtkFor the quantity of the antenna element in k-th of target antenna submatrix, Nrk
For the quantity of the antenna element in the receiving antenna array of k-th of user equipment, SNRkFor the noise of k-th of user equipment feedback
Than, wherein, 0≤k≤L.
The method for the data transmission that the application provides can determine each in multiple target antenna submatrixs by above-mentioned formula
The antenna element quantity that target antenna submatrix includes.
The third possible realization method with reference to first aspect, in the 4th kind of possible realization method of first aspect
In, which receives the feedback information that each user equipment is sent in multiple user equipmenies, including：The network equipment receives
The channel quality information that first user equipment is obtained by measuring the channel quality of the first supplementary reference signal, wherein, it is the plurality of
User equipment includes first user equipment, and the plurality of supplementary reference signal includes first supplementary reference signal.
Optionally, which can be any one or more user equipmenies in the plurality of user equipment,
First supplementary reference signal can be one or more of the plurality of supplementary reference signal.
The 4th kind of possible realization method with reference to first aspect, in the 5th kind of possible realization method of first aspect
In, channel quality is best in all supplementary reference signals which receives for first user equipment
Supplementary reference signal.
The method for the data transmission that the application provides, if first supplementary reference signal receives for first user equipment
All supplementary reference signals in the best supplementary reference signal of channel quality, then can improve the target that the network equipment determines
The accuracy of antenna submatrix makes full use of the antenna gain of each target antenna submatrix, further improves network equipment antenna money
The utilization rate in source.
With reference to first aspect, the first of first aspect is to any one of the 5th kind of possible realization method possible reality
Existing mode, in the 6th kind of possible realization method of first aspect, passes through in the network equipment in multiple initial antenna submatrixs
Before each initial antenna submatrix sends supplementary reference signal, this method further includes：The network equipment is by the hair of the network equipment
The antenna element that antennas array includes is divided into the plurality of initial antenna submatrix, in the plurality of initial antenna submatrix it is each just
The quantity for the antenna element that beginning antenna submatrix includes is identical.
Second aspect, this application provides a kind of method of data transmission, this method includes：
User equipment receives auxiliary of the network equipment by each initial antenna submatrix transmission in multiple initial antenna submatrixs
Reference signal, each initial antenna submatrix includes at least one antenna element in the plurality of initial antenna submatrix；
The user's equipment determines channel quality information according to the multiple supplementary reference signals received；
The user's equipment sends feedback information to the network equipment, which includes the reception antenna of the user's equipment
The quantity of antenna element and the channel quality information in array.
The data transmission method that the application provides, user equipment pass through every in multiple initial antenna submatrixs according to the network equipment
The supplementary reference signal that a initial antenna submatrix is sent determines channel quality information, and sends feedback information to the network equipment,
The quantity and the channel quality information of antenna element in receiving antenna array of the feedback information including the user's equipment so that should
The network equipment can determine multiple target antenna submatrixs according to the feedback information that the user's equipment is sent, so as to improve the network equipment
The utilization rate of antenna resources.
Optionally, the receiving antenna array of the user's equipment can include multiple reception antenna submatrixs, and the user's equipment can
The reception antenna submatrix used with preset in advance, and pass through feedback information and feed back default reception antenna to the network equipment
The quantity for the antenna element that battle array includes.
Specifically, the method for data transmission provided in an embodiment of the present invention, user equipment can be fed back to the network equipment
The channel quality information of each initial antenna submatrix, in order to the network equipment according to the feedback information of user equipment to multiple first
Beginning antenna submatrix is adjusted into Mobile state, forms multiple target antenna submatrixs, to adapt to the demand of current user equipment, improves network
The utilization rate of device antenna resource, and it is capable of the total throughout of lifting system.
With reference to second aspect, in the first possible realization method of second aspect, the user's equipment is according to receiving
Multiple supplementary reference signals, determine channel quality information, including：The network equipment is joined by measuring the multiple auxiliary received
The first supplementary reference signal in signal is examined, determines channel quality information.
It is to be understood that first user equipment can be any one or more user equipmenies in the plurality of user equipment,
First supplementary reference signal can be one or more of the plurality of supplementary reference signal.
With reference to the first possible realization method of second aspect, in second of possible realization method of second aspect
In, the best auxiliary of channel quality in multiple supplementary reference signals which receives for the user's equipment
Reference signal.
The method for the data transmission that the application provides, if first supplementary reference signal receives for first user equipment
All supplementary reference signals in the best supplementary reference signal of channel quality, then can improve the target that the network equipment determines
The accuracy of antenna submatrix makes full use of the antenna gain of each target antenna submatrix, further improves network equipment antenna money
The utilization rate in source.
With reference to the first or second of possible realization method of second aspect, second aspect, the 3rd of second aspect the
In the possible realization method of kind, which includes：Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR, letter is received
In number intensity instruction RSSI information at least one of information.
The third aspect, this application provides a kind of equipment of data transmission, for performing above-mentioned first aspect or first party
Method in the arbitrary possible realization method in face.Specifically, which includes performing above-mentioned first aspect or first party
The unit of method in the arbitrary possible realization method in face.
Fourth aspect, this application provides a kind of equipment of data transmission, for performing above-mentioned second aspect or second party
Method in the arbitrary possible realization method in face.Specifically, which includes performing above-mentioned second aspect or second party
The unit of method in the arbitrary possible realization method in face.
5th aspect, this application provides a kind of equipment of data transmission, which includes：Receiver, transmitter, storage
Device, processor and bus system.Wherein, the receiver, the transmitter, the memory and the processor pass through the bus system phase
Even, for storing instruction, which is used to perform the instruction of the memory storage to the memory, and transmitter is controlled to send letter
Number, and when the processor performs the instruction of the memory storage, can realize that first aspect or the arbitrary of first aspect can
Method in the realization method of energy.
6th aspect, this application provides a kind of equipment of data transmission, which includes：Receiver, transmitter, storage
Device, processor and bus system.Wherein, the receiver, the transmitter, the memory and the processor pass through the bus system phase
Even, for storing instruction, which is used to perform the instruction of the memory storage to the memory, and transmitter is controlled to send letter
Number, and when the processor performs the instruction of the memory storage, can realize that second aspect or the arbitrary of second aspect can
Method in the realization method of energy.
7th aspect, this application provides a kind of computer-readable mediums, for storing computer program, the computer journey
Sequence includes the instruction of the method in the arbitrary possible realization method for performing first aspect or first aspect.
Eighth aspect, this application provides a kind of computer-readable mediums, for storing computer program, the computer journey
Sequence includes the instruction of the method in the arbitrary possible realization method for performing second aspect or second aspect.
Description of the drawings
Fig. 1 is the schematic flow chart of the method for the data transmission of the embodiment of the present invention；
Fig. 2 is the schematic flow chart of the method for another data transmission of the embodiment of the present invention；
Fig. 3 is the schematic flow chart of the method for the another data transmission of the embodiment of the present invention
Fig. 4 is the schematic block diagram of the equipment of the data transmission of the embodiment of the present invention；
Fig. 5 is the schematic block diagram of the equipment of another data transmission of the embodiment of the present invention；
Fig. 6 is the schematic block diagram of the equipment of the another data transmission of the embodiment of the present invention；
Fig. 7 is the schematic block diagram of the equipment of the another data transmission of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is described.
It is to be understood that user equipment (English：User Equipment, write a Chinese character in simplified form：UE), it is also referred to as mobile terminal
(Mobile Terminal), mobile subscriber equipment etc., can be through wireless access network (for example, RAN, Radio Access
Network) communicate with one or more core nets, user equipment can be mobile terminal, as mobile phone (or is
" honeycomb " phone) and with mobile terminal computer, for example, it may be portable, pocket, hand-held, built-in computer
Or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.
It is to be understood that base station, can be Long Term Evolution (English：Long Term Evolution, referred to as：LTE) in system
Evolved base station (eNB or e-NodeB, evolutional Node B) or Universal Mobile Telecommunications System (English：
Universal Mobile Telecommunication System, referred to as：UMTS radio network controller (the English in)：
Radio Network Controller, referred to as：RNC) etc., it can also be the emerging base station in 5G systems, the embodiment of the present invention
It does not limit.
Fig. 1 shows the schematic flow chart of the method 100 of the data transmission of the embodiment of the present invention, and this method can be by net
Network equipment performs, which can be for example base station, but the embodiment of the present invention is without being limited thereto.
S110, the network equipment send supplementary reference signal by each initial antenna submatrix in multiple initial antenna submatrixs,
Each initial antenna submatrix includes at least one antenna element.
S120, the network equipment receive the feedback information that each user equipment is sent in multiple user equipmenies, the feedback letter
Breath includes the quantity of the antenna element in the receiving antenna array of each user equipment with each user equipment according to reception
To the channel quality information that determines of supplementary reference signal.
S130, the network equipment determine more according to the feedback information that each user equipment is sent in the plurality of user equipment
A target antenna submatrix, each antenna submatrix includes at least one antenna element in the plurality of target antenna submatrix.
S140, which, which is based on each target antenna submatrix in the plurality of target antenna submatrix, carries out data transmission.
The method of data transmission provided in an embodiment of the present invention, the network equipment pass through each first in multiple initial antenna submatrixs
Beginning antenna submatrix sends supplementary reference signal, receives the feedback information that each user equipment is sent in the plurality of user equipment, and
According to the feedback information of the supplementary reference signal that each user equipment is sent in the plurality of user equipment, multiple target antennas are determined
Submatrix, the feedback information include quantity and each user of the antenna element in the receiving antenna array of each user equipment
The channel quality information that equipment is determined according to the supplementary reference signal received.
The method for the data transmission that inventive embodiments provide, the network equipment can be according to the demand flexible configuration of user equipment
Antenna element in transmission antenna array improves the utilization rate of network equipment antenna resources.
Optionally, before S110, day which can include the transmission antenna array of the network equipment
Linear array is divided into multiple initial antenna submatrixs, the antenna array that each initial antenna submatrix includes in the plurality of initial antenna submatrix
The quantity of son is identical.
Specifically, the transmission antenna array of the network equipment is divided into multiple initial antenna submatrixs, the plurality of initial antenna
Each initial antenna submatrix in submatrix is trained by wave beam, can be formed and each initial day in the plurality of initial antenna submatrix
Transmission wave beam on the corresponding direction of line submatrix, the network equipment can be used on corresponding time interval resource with it is the plurality of initial
The corresponding multiple transmission wave beams of antenna submatrix carry out data transmission with user equipment.
Optionally, in S110, which can pass through each initial antenna in the plurality of initial antenna submatrix
At least one user equipment of the battle array into the transmission beam coverage that each initial antenna submatrix is formed sends auxiliary reference
Signal is believed alternatively, the network equipment can broadcast auxiliary reference by each initial antenna submatrix in the plurality of initial antenna submatrix
Number, the embodiment of the present invention is not construed as limiting this.
It is to be understood that the channel quality information in the embodiment of the present invention can include at least one in following message：Letter
It makes an uproar than SNR, Signal to Interference plus Noise Ratio SINR, received signal strength indicator RSSI information.
Specifically, in S120, which can also be according to each user equipment in the plurality of user equipment
In feedback information, the plurality of initial antenna submatrix the quantity for the antenna element that each initial antenna submatrix includes and it is the plurality of just
The quantity of beginning antenna submatrix determines the plurality of target antenna submatrix.
Wherein, if the channel quality information includes signal-to-noise ratio, each target antenna in the plurality of target antenna submatrix
The antenna element quantity that submatrix includes is definite according to the following formula：
Wherein,L be the plurality of initial antenna submatrix quantity, NtFor the transmission of the network equipment
The total quantity for the antenna element that aerial array includes, NtkFor the quantity of the antenna element in k-th of target antenna submatrix, Nrk
For the quantity of the antenna element in the receiving antenna array of k-th of user equipment, SNRkFor the noise of k-th of user equipment feedback
Than, wherein, 0≤k≤L.
Specifically, in S120, which can receive the first user equipment by measuring the first auxiliary reference
The channel quality information that the channel quality of signal obtains, wherein, the plurality of user equipment includes first user equipment, the plurality of
Supplementary reference signal includes first supplementary reference signal.
It is to be understood that first user equipment can be any one or more user equipmenies in the plurality of user equipment,
First supplementary reference signal can be one or more of the plurality of supplementary reference signal.
Optionally, believe in all supplementary reference signals which receives for first user equipment
The top-quality supplementary reference signal in road, but the embodiment of the present invention is without being limited thereto.
The method of data transmission provided in an embodiment of the present invention, if first supplementary reference signal is first user equipment
The best supplementary reference signal of channel quality in all supplementary reference signals received can then improve the network equipment and determine
Target antenna submatrix accuracy, make full use of the antenna gain of each target antenna submatrix, further improve the network equipment
The utilization rate of antenna resources.
As an alternative embodiment, which can determine each target antenna in the plurality of target antenna submatrix
The quantity for the antenna element that submatrix includes, and to each target antenna submatrix according to corresponding with each target antenna submatrix
The beam direction of initial antenna submatrix carries out wave beam training, is formed and sends wave beam.
As another alternative embodiment, which can determine each target day in the plurality of target antenna submatrix
The quantity and antenna direction for the antenna element that line submatrix includes, and wave beam is carried out to each target antenna submatrix antenna direction
Training, forms and sends wave beam, and the embodiment of the present invention is not construed as limiting this.
Fig. 2 shows the schematic flow chart of the method 200 of another data transmission of the embodiment of the present invention, and this method can be with
It is performed by user equipment, but the embodiment of the present invention is without being limited thereto.
S210, user equipment receive what the network equipment was sent by each initial antenna submatrix in multiple initial antenna submatrixs
Supplementary reference signal, each initial antenna submatrix includes at least one antenna element in the plurality of initial antenna submatrix.
S220, the user's equipment determine channel quality information according to the multiple supplementary reference signals received.
S230, the user's equipment send feedback information to the network equipment, which includes connecing for the user's equipment
Receive the quantity and the channel quality information of antenna element in aerial array.
Data transmission method provided in an embodiment of the present invention, user equipment pass through multiple initial antennas according to the network equipment
The supplementary reference signal that each initial antenna submatrix is sent in battle array determines channel quality information, and is sent instead to the network equipment
Feedforward information, the quantity of antenna element and the channel quality are believed in the receiving antenna array of the feedback information including the user's equipment
Breath so that the network equipment can determine multiple target antenna submatrixs according to the feedback information that the user's equipment is sent, so as to carry
The utilization rate of high network equipment antenna resources.
Optionally, the receiving antenna array of the user's equipment can include multiple reception antenna submatrixs, and the user's equipment can
The reception antenna submatrix used with preset in advance, and pass through feedback information and feed back default reception antenna to the network equipment
The quantity for the antenna element that battle array includes.
Optionally, in S220, which can be by measuring the in multiple supplementary reference signals for receiving
One supplementary reference signal, determines channel quality information.
It is to be understood that first supplementary reference signal can be in multiple supplementary reference signals that the user's equipment receives
It is one or more.
Optionally, channel matter in multiple supplementary reference signals which receives for the user's equipment
Measure best supplementary reference signal.
The method of data transmission provided in an embodiment of the present invention, if first supplementary reference signal is first user equipment
The best supplementary reference signal of channel quality in all supplementary reference signals received can then improve the network equipment and determine
Target antenna submatrix accuracy, make full use of the antenna gain of each target antenna submatrix, further improve the network equipment
The utilization rate of antenna resources.
Optionally, the channel quality information in the embodiment of the present invention includes：Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio
At least one information in SINR, received signal strength indicator RSSI information.
Fig. 3 shows the schematic flow chart of the method 300 of the another data transmission of the embodiment of the present invention, this method 300
It can be applied to millimeter wave multi-user transmission system.
It is to be understood that millimeter wave multi-user transmission system provided in an embodiment of the present invention can include the network equipment and multiple use
Family equipment, the transmission antenna array of the network equipment can include multiple initial antenna submatrixs, below only with two user equipmenies (such as
The first UE and the 2nd UE in Fig. 3) and two initial antenna submatrixs (such as the first initial antenna submatrix and the second initial antenna
Battle array) exemplified by, the method for the data transmission of the embodiment of the present invention is described in detail, but the embodiment of the present invention is without being limited thereto.
S301, the network equipment send auxiliary ginseng by the first initial antenna submatrix and the second initial antenna submatrix to the first UE
Examine signal.
Optionally, which can pass through the first initial antenna submatrix and the second initial antenna submatrix broadcast auxiliary ginseng
Examine signal.
S302, the first UE determine the first feedback information, first feedback information according to the supplementary reference signal received
In receiving antenna array including the first UE the quantity of antenna element and the first UE measure the network equipment receive it is auxiliary
Help the channel quality information of reference signal.
S303, the first UE send first feedback information to the network equipment.
As an alternative embodiment, the first UE can measure the network equipment by the first initial antenna submatrix and
The channel quality for the supplementary reference signal that the second initial antenna submatrix is sent, determines that the network equipment passes through first initial antenna
The channel quality for the supplementary reference signal that submatrix is sent is better than the supplementary reference signal sent by the second initial antenna submatrix
Channel quality, first feedback information can include the first UE by measure the first initial antenna submatrix send auxiliary
The channel quality information that reference information obtains, the embodiment of the present invention are not construed as limiting this.
S304, the network equipment send auxiliary ginseng by the first initial antenna submatrix and the second initial antenna submatrix to the 2nd UE
Examine signal.
Optionally, which can pass through the first initial antenna submatrix and the second initial antenna submatrix broadcast auxiliary ginseng
Examine signal.
S305, the 2nd UE determine the second feedback information, second feedback information according to the supplementary reference signal received
In receiving antenna array including the 2nd UE the quantity of antenna element and the 2nd UE measure the network equipment receive it is auxiliary
Help the channel quality information of reference signal.
S306, the 2nd UE send second feedback information to the network equipment.
As an alternative embodiment, the 2nd UE can measure the network equipment by the first initial antenna submatrix and
The channel quality for the supplementary reference signal that the second initial antenna submatrix is sent, determines that the network equipment passes through second initial antenna
The channel quality for the supplementary reference signal that submatrix is sent is better than the supplementary reference signal sent by the first initial antenna submatrix
Channel quality, second feedback information can include the 2nd UE by measure the second initial antenna submatrix send auxiliary
The channel quality information that reference information obtains, the embodiment of the present invention are not construed as limiting this.
S307, the network equipment determine first object antenna according to first feedback information and second feedback information
Battle array and the second target antenna submatrix.
Specifically, which can be according to first feedback information, second feedback information, the plurality of initial antenna
The quantity for the antenna element that each antenna submatrix includes, determines first mesh in the quantity of submatrix and the plurality of initial antenna submatrix
Mark antenna submatrix and the second target antenna submatrix.
As an alternative embodiment, which can determine multiple target antenna according to following optimization method
The quantity for the antenna element that each target antenna submatrix includes in battle array：
Ntk≥0
Ntk∈Z
Wherein, L be the plurality of initial antenna submatrix quantity, NtInclude for the transmission antenna array of the network equipment
The total quantity of antenna element, NtkFor the quantity of the antenna element in k-th of target antenna submatrix, NrkFor k-th user equipment
The quantity of antenna element in receiving antenna array, SNRkFor the signal-to-noise ratio of k-th user equipment feedback, wherein, 0≤k≤L.
To the quantity of each target antenna submatrix in multiple target antenna submatrixs, can be not limited according to formula (1)
Condition is differentiated：
Order
Then the quantity for the antenna element that each antenna submatrix includes can obtain according to the following formula in the plurality of target antenna submatrix
It arrives：
Wherein,
If there are negative in the one group of solution obtained according to formula (3) solution, it is 0 to make the minimum value in this group of solution, is laid equal stress on
Remaining solution is solved by formula (1) to formula (3) again, until all solutions are positive integer, that is, acquires the plurality of target antenna
The quantity for the antenna element that each target antenna submatrix includes in battle array.
S308, the network equipment are carried out data transmission by first object antenna submatrix and the first UE.
S309, the network equipment are carried out data transmission by the second target antenna submatrix with the 2nd UE.
Above in conjunction with Fig. 1 to Fig. 3, the method that data transmission according to embodiments of the present invention is described in detail below will
With reference to Fig. 4 to Fig. 7, the equipment for describing the data transmission of the embodiment of the present invention.
Fig. 4 shows the equipment 400 of data transmission provided in an embodiment of the present invention, and equipment 400 for example can be above-mentioned reality
The network equipment in example is applied, which for example can be base station.The equipment 400 includes：
Transmitting element 410 is believed for sending auxiliary reference by each initial antenna submatrix in multiple initial antenna submatrixs
Number, which includes at least one antenna element；
Receiving unit 420, for receiving the feedback information that each user equipment is sent in multiple user equipmenies, the feedback letter
Breath includes the quantity of the antenna element in the receiving antenna array of each user equipment with each user equipment according to reception
To the channel quality information that determines of supplementary reference signal；
Determination unit 430, for each user equipment hair in the plurality of user equipment that is received according to the receiving unit 420
The feedback information sent, determines multiple target antenna submatrixs, and each antenna submatrix includes at least one in the plurality of target antenna submatrix
A antenna element；
Transmission unit 440, for based on each target day in the definite the plurality of target antenna submatrix of the determination unit 430
Line submatrix carries out data transmission.
Optionally, which is specifically used for：According to the feedback information of each user equipment in the plurality of user equipment,
The quantity for the antenna element that each initial antenna submatrix includes and the plurality of initial antenna in the plurality of initial antenna submatrix
The quantity of battle array, determines the plurality of target antenna submatrix.
Optionally, which includes at least one in following message：Signal to Noise Ratio (SNR), signal and interference add
Noise is than SINR, received signal strength indicator RSSI information.
Optionally, if the channel quality information includes signal-to-noise ratio, which is specifically used for determining that this is more according to the following formula
The antenna element quantity that each target antenna submatrix in a target antenna submatrix includes：
Wherein,L be the plurality of initial antenna submatrix quantity, NtFor the transmission of the network equipment
The total quantity for the antenna element that aerial array includes, NtkFor the quantity of the antenna element in k-th of target antenna submatrix, Nrk
For the quantity of the antenna element in the receiving antenna array of k-th of user equipment, SNRkFor the noise of k-th of user equipment feedback
Than, wherein, 0≤k≤L.
Optionally, which is specifically used for：The first user equipment is received by measuring the first supplementary reference signal
The channel quality information that channel quality obtains, wherein, the plurality of user equipment includes first user equipment, the plurality of auxiliary ginseng
Examining signal includes first supplementary reference signal.
Optionally, believe in all supplementary reference signals which receives for first user equipment
The top-quality supplementary reference signal in road.
Optionally, which further includes：Division unit, the division unit are used to pass through in multiple initial antenna submatrixs at this
Before each initial antenna submatrix sends supplementary reference signal, antenna array that the transmission antenna array of the network equipment is included
Son is divided into the plurality of initial antenna submatrix, the antenna element that each initial antenna submatrix includes in the plurality of initial antenna submatrix
Quantity it is identical.
It is to be understood that equipment 400 here is embodied in the form of functional unit.Here term " unit " can refer to special collection
Into circuit (English：Application-specific integrated circuit, referred to as：ASIC), electronic circuit, be used for
Perform one or more softwares or firmware program processor (such as shared processor, proprietary processor or group processor etc.) and
Memory merges logic circuit and/or other appropriate components for supporting described function.In an optional example, ability
Field technique personnel are appreciated that equipment 400 can be specially the network equipment in above-described embodiment, which can be used for
Each flow corresponding with the network equipment and/or step in above method embodiment are performed, it is no longer superfluous herein to avoid repeating
It states.
Fig. 5 shows the equipment 500 of another data transmission provided in an embodiment of the present invention, and equipment 500 for example can be upper
State the user equipment in embodiment.The equipment 500 includes：
Receiving unit 510 is sent out for receiving the network equipment by each initial antenna submatrix in multiple initial antenna submatrixs
The supplementary reference signal sent, each initial antenna submatrix includes at least one antenna element in the plurality of initial antenna submatrix；
Determination unit 520 for the multiple supplementary reference signals received according to the receiving unit 510, determines channel matter
Measure information；
Transmitting element 530, for sending the definite feedback information of the determination unit 520, the feedback letter to the network equipment
Cease the quantity and the channel quality information of antenna element in the receiving antenna array for including the user's equipment.
Optionally, which is specifically used for the first auxiliary in the multiple supplementary reference signals received by measurement
Reference signal determines channel quality information.
Optionally, channel matter in multiple supplementary reference signals which receives for the user's equipment
Measure best supplementary reference signal.
Optionally, which includes：Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR, reception signal are strong
At least one information in degree instruction RSSI information.
It is to be understood that equipment 500 here is embodied in the form of functional unit.Here term " unit " can refer to special collection
Into circuit (English：Application-specific integrated circuit, referred to as：ASIC), electronic circuit, be used for
Perform one or more softwares or firmware program processor (such as shared processor, proprietary processor or group processor etc.) and
Memory merges logic circuit and/or other appropriate components for supporting described function.In an optional example, ability
Field technique personnel are appreciated that equipment 500 can be specially the user equipment in above-described embodiment, which can be used for
Each flow corresponding with user equipment and/or step in above method embodiment are performed, it is no longer superfluous herein to avoid repeating
It states.
Fig. 6 shows the equipment 600 of another data transmission provided in an embodiment of the present invention, which includes：Processor
610th, transmitter 620, receiver 630, memory 640 and bus system 650.Wherein, processor 610, transmitter 620, reception
Device 630 is connected with memory 640 by bus system 650, and for storing instruction, which is used to hold the memory 640
The instruction of the row memory 640 storage, the transmitter 620 to be controlled to send signal or the receiver 630 is controlled to receive signal.Hair
It can be communication interface to send device 620 and receiver 630, and specific transmitter 620 can be for receiving connecing for data and/or instruction
Mouthful, receiver 630 can be for sending the interface of data and/or instruction, herein no longer to transmitter 620 and receiver 630
Concrete form be illustrated.
It is to be understood that equipment 600 can be used for perform above method embodiment in each step corresponding with the network equipment and/
Or flow.Optionally, which can include read-only memory and random access memory, and refer to processor offer
Order and data.The a part of of memory can also include nonvolatile RAM.For example, memory can also store
The information of device type.The processor 610 can be used for performing the instruction stored in memory, and the processor performs this and refers to
When making, each step corresponding with the network equipment in above method embodiment can be performed.
It is to be understood that in embodiments of the present invention, which can be central processing unit (English：central
Processing unit, referred to as：CPU), which can also be other general processors, digital signal processor (English：
Digital signal processing, referred to as：DSP), application-specific integrated circuit ASIC, ready-made programmable gate array (English：
Field programmable gate array, referred to as：FPGA) either other programmable logic device, discrete gate or crystal
Pipe logical device, discrete hardware components etc..General processor can be microprocessor or the processor can also be it is any often
Processor of rule etc..
Fig. 7 shows the equipment 700 of another data transmission provided in an embodiment of the present invention, which includes：Processor
710th, transmitter 720, receiver 730, memory 740 and bus system 750.Wherein, processor 710, transmitter 720, reception
Device 730 is connected with memory 740 by bus system 750, and for storing instruction, which is used to hold the memory 740
The instruction of the row memory 740 storage, the transmitter 720 to be controlled to send signal or the receiver 730 is controlled to receive signal.Hair
It can be communication interface to send device 720 and receiver 730, and specific transmitter 720 can be for receiving connecing for data and/or instruction
Mouthful, receiver 730 can be for sending the interface of data and/or instruction, herein no longer to transmitter 720 and receiver 730
Concrete form be illustrated.
It is to be understood that equipment 700 can be specially the user equipment in above-described embodiment, and can be used for performing above-mentioned side
Each step corresponding with user equipment and/or flow in method embodiment.Optionally, which can include read-only deposit
Reservoir and random access memory, and provide instruction and data to processor.Memory it is a part of can also include it is non-volatile
Property random access memory.For example, memory can be with the information of storage device type.The processor 710 can be used for performing
The instruction stored in memory, and when the processor performs the instruction, which can perform in above method embodiment
Each step corresponding with user equipment.
It is to be understood that in embodiments of the present invention, which can be CPU, which can also be other general places
Manage device, DSP, ASIC, FPGA either other programmable logic device, discrete gate or transistor logic, discrete hardware group
Part etc..General processor can be microprocessor or the processor can also be any conventional processor etc..
During realization, each step of the above method can by the integrated logic circuit of the hardware in processor or
The instruction of software form is completed.The step of method with reference to disclosed in the embodiment of the present invention, can be embodied directly in hardware processor
It performs completion or performs completion with the hardware in processor and software module combination.Software module can be located at random storage
Device, flash memory, read-only memory, this fields such as programmable read only memory or electrically erasable programmable memory, register into
In ripe storage medium.The storage medium is located at memory, and processor performs the instruction in memory, is completed with reference to its hardware
The step of stating method.To avoid repeating, it is not detailed herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
Division is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component in actual implementation
It may be combined or can be integrated into another system or some features can be ignored or does not perform.In addition, shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be the INDIRECT COUPLING by some interfaces, device or unit
Or communication connection or electricity, the connection of mechanical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
If the integrated unit is realized in the form of SFU software functional unit and is independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical solution of the application is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or the network equipment etc.) performs the complete of each embodiment the method for the application
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only memory (English：read-only
Memory, referred to as：ROM), random access memory (random access memory, abbreviation：RAM), magnetic disc or CD etc.
The various media that can store program code.
The above is only the specific embodiment of the application, but the protection domain of the application is not limited thereto, any
In the technical scope that those familiar with the art discloses in the application, various equivalent modifications can be readily occurred in or replaced
It changes, these modifications or substitutions should all cover within the protection domain of the application.Therefore, the protection domain of the application should be with right
It is required that protection domain subject to.
Claims (22)
- A kind of 1. method of data transmission, which is characterized in that including：The network equipment sends supplementary reference signal by each initial antenna submatrix in multiple initial antenna submatrixs, described each first Beginning antenna submatrix includes at least one antenna element；The network equipment receives the feedback information that each user equipment is sent in multiple user equipmenies, and the feedback information includes The quantity of antenna element in the receiving antenna array of each user equipment and each user equipment are according to receiving The channel quality information that determines of supplementary reference signal；The network equipment determines multiple targets according to the feedback information that each user equipment is sent in the multiple user equipment Antenna submatrix, each antenna submatrix includes at least one antenna element in the multiple target antenna submatrix；The network equipment, which is based on each target antenna submatrix in the multiple target antenna submatrix, to carry out data transmission.
- 2. according to the method described in claim 1, it is characterized in that, the network equipment is according to every in the multiple user equipment The feedback information that a user equipment is sent, determines multiple target antenna submatrixs, including：The network equipment is according to the feedback information of each user equipment, the multiple initial antenna in the multiple user equipment The quantity of the quantity for the antenna element that each initial antenna submatrix includes and the multiple initial antenna submatrix in submatrix determines The multiple target antenna submatrix.
- 3. method according to claim 1 or 2, which is characterized in that the channel quality information is included in following message At least one of：Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR, received signal strength indicator RSSI information.
- 4. according to the method in any one of claims 1 to 3, which is characterized in that if the channel quality information includes letter It makes an uproar and compares, the antenna element quantity that each target antenna submatrix in the multiple target antenna submatrix includes is definite according to the following formula 's：Wherein,L be the multiple initial antenna submatrix quantity, NtFor the transmission of the network equipment The total quantity for the antenna element that aerial array includes, NtkFor the quantity of the antenna element in k-th of target antenna submatrix, Nrk For the quantity of the antenna element in the receiving antenna array of k-th of user equipment, SNRkFor the noise of k-th of user equipment feedback Than, wherein, 0≤k≤L.
- 5. it according to the method described in claim 4, it is characterized in that, is each used in the multiple user equipmenies of network equipment reception The feedback information that family equipment is sent, including：The network equipment receives the channel that the first user equipment is obtained by measuring the channel quality of the first supplementary reference signal Quality information, wherein, the multiple user equipment includes first user equipment, and the multiple supplementary reference signal includes institute State the first supplementary reference signal.
- 6. according to the method described in claim 5, it is characterized in that, first supplementary reference signal sets for first user The best supplementary reference signal of channel quality in the standby all supplementary reference signals received.
- 7. method according to any one of claim 1 to 6, which is characterized in that pass through in the network equipment multiple first Before each initial antenna submatrix sends supplementary reference signal in beginning antenna submatrix, the method further includes：The antenna element that the transmission antenna array of the network equipment includes is divided into the multiple first by the network equipment Beginning antenna submatrix, the quantity for the antenna element that each initial antenna submatrix includes is identical in the multiple initial antenna submatrix.
- A kind of 8. method of data transmission, which is characterized in that including：User equipment receives auxiliary reference of the network equipment by each initial antenna submatrix transmission in multiple initial antenna submatrixs Signal, each initial antenna submatrix includes at least one antenna element in the multiple initial antenna submatrix；The user equipment determines channel quality information according to the multiple supplementary reference signals received；The user equipment sends feedback information to the network equipment, and the feedback information includes the reception of the user equipment The quantity of antenna element and the channel quality information in aerial array.
- 9. according to the method described in claim 8, it is characterized in that, the user equipment is according to the multiple auxiliary references received Signal determines channel quality information, including：The network equipment determines channel by measuring the first supplementary reference signal in the multiple supplementary reference signals received Quality information.
- 10. according to the method described in claim 9, it is characterized in that, first supplementary reference signal is the user equipment The best supplementary reference signal of channel quality in the multiple supplementary reference signals received.
- 11. the method according to any one of claim 8 to 10, which is characterized in that the channel quality information includes：Letter It makes an uproar than at least one information in SNR, Signal to Interference plus Noise Ratio SINR, received signal strength indicator RSSI information.
- 12. a kind of equipment of data transmission, which is characterized in that including：Transmitting element, it is described for sending supplementary reference signal by each initial antenna submatrix in multiple initial antenna submatrixs Each initial antenna submatrix includes at least one antenna element；Receiving unit, for receiving the feedback information that each user equipment is sent in multiple user equipmenies, the feedback information bag Include the antenna element in the receiving antenna array of each user equipment quantity and each user equipment according to reception To the channel quality information that determines of supplementary reference signal；Determination unit is sent anti-for each user equipment in the multiple user equipment that is received according to the receiving unit Feedforward information, determines multiple target antenna submatrixs, and each antenna submatrix includes at least one day in the multiple target antenna submatrix Linear array；Transmission unit, each target antenna submatrix in the multiple target antenna submatrix determined for unit based on the determination Carry out data transmission.
- 13. equipment according to claim 12, which is characterized in that the determination unit is specifically used for：According to each first in the feedback information of each user equipment, the multiple initial antenna submatrix in the multiple user equipment The quantity of the quantity for the antenna element that beginning antenna submatrix includes and the multiple initial antenna submatrix, determines the multiple target Antenna submatrix.
- 14. the equipment according to claim 12 or 13, which is characterized in that the channel quality information is included in following message At least one of：Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR, received signal strength indicator RSSI information.
- 15. the equipment according to any one of claim 12 to 14, which is characterized in that if the channel quality information includes Signal-to-noise ratio, the determination unit are specifically used for determining each target antenna in the multiple target antenna submatrix according to the following formula The antenna element quantity that battle array includes：Wherein,L be the multiple initial antenna submatrix quantity, NtFor the transmission of the network equipment The total quantity for the antenna element that aerial array includes, NtkFor the quantity of the antenna element in k-th of target antenna submatrix, Nrk For the quantity of the antenna element in the receiving antenna array of k-th of user equipment, SNRkFor the noise of k-th of user equipment feedback Than, wherein, 0≤k≤L.
- 16. equipment according to claim 15, which is characterized in that the receiving unit is specifically used for：The channel quality information that the first user equipment is obtained by measuring the channel quality of the first supplementary reference signal is received, In, the multiple user equipment includes first user equipment, and the multiple supplementary reference signal includes the described first auxiliary Reference signal.
- 17. equipment according to claim 16, which is characterized in that first supplementary reference signal is first user The best supplementary reference signal of channel quality in all supplementary reference signals that equipment receives.
- 18. the equipment according to any one of claim 12 to 17, which is characterized in that the equipment further includes：Division is single Member, the division unit be used for it is described by multiple initial antenna submatrixs in each initial antenna submatrix send auxiliary reference letter Before number,The antenna element that the transmission antenna array of the network equipment includes is divided into the multiple initial antenna submatrix, institute The quantity for stating the antenna element that each initial antenna submatrix includes in multiple initial antenna submatrixs is identical.
- 19. a kind of equipment of data transmission, which is characterized in that including：Receiving unit, for receiving auxiliary of the network equipment by each initial antenna submatrix transmission in multiple initial antenna submatrixs Reference signal, each initial antenna submatrix includes at least one antenna element in the multiple initial antenna submatrix；Determination unit for the multiple supplementary reference signals received according to the receiving unit, determines channel quality information；Transmitting element, for the feedback information determined to the network equipment transmission determination unit, the feedback information bag Include the quantity of antenna element and the channel quality information in the receiving antenna array of the user equipment.
- 20. equipment according to claim 19, which is characterized in that the determination unit is specifically used for receiving by measurement Multiple supplementary reference signals in the first supplementary reference signal, determine channel quality information.
- 21. equipment according to claim 20, which is characterized in that first supplementary reference signal is the user equipment The best supplementary reference signal of channel quality in the multiple supplementary reference signals received.
- 22. the equipment according to any one of claim 19 to 21, which is characterized in that the channel quality information includes： At least one information in Signal to Noise Ratio (SNR), Signal to Interference plus Noise Ratio SINR, received signal strength indicator RSSI information.
Priority Applications (1)
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| CN201611032154.4A CN108092700A (en) | 2016-11-22 | 2016-11-22 | The method and apparatus of data transmission |
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| CN201611032154.4A CN108092700A (en) | 2016-11-22 | 2016-11-22 | The method and apparatus of data transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020030050A1 (en) * | 2018-08-10 | 2020-02-13 | 华为技术有限公司 | Method and apparatus for training antenna panel |
| CN110890632A (en) * | 2018-09-10 | 2020-03-17 | 华为技术有限公司 | Method and device for adjusting antenna half-power angle |
-
2016
- 2016-11-22 CN CN201611032154.4A patent/CN108092700A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020030050A1 (en) * | 2018-08-10 | 2020-02-13 | 华为技术有限公司 | Method and apparatus for training antenna panel |
| US11350425B2 (en) | 2018-08-10 | 2022-05-31 | Huawei Technologies Co., Ltd. | Antenna panel training method and apparatus |
| CN110890632A (en) * | 2018-09-10 | 2020-03-17 | 华为技术有限公司 | Method and device for adjusting antenna half-power angle |
| US11855733B2 (en) | 2018-09-10 | 2023-12-26 | Huawei Technologies Co., Ltd. | Method and apparatus for adjusting half-power angle of antenna |
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