CN106465147B

CN106465147B - A kind of communication equipment and communication means

Info

Publication number: CN106465147B
Application number: CN201480078712.3A
Authority: CN
Inventors: 周永行; 刘建琴; 吴强; 刘江华
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-05-19
Filing date: 2014-05-19
Publication date: 2019-11-26
Anticipated expiration: 2034-05-19
Also published as: WO2015176200A1; CN106465147A

Abstract

Embodiment of the invention discloses a kind of communication equipment and methods.The communication equipment comprises determining that unit, for determining the corresponding first driving matrix of X antenna port, the first driving matrix according to the T alternative matrix of driving for driving alternative set of matrices to obtain by forming, driving unit, for being sent the signal of the X antenna port by the corresponding aerial array of the X antenna port according to the first driving matrix.The embodiment of the present invention also provides the communication equipment and method of user side.Multiple beam features corresponding to mutiple antennas port can be adjusted flexibly in the communication equipment and method of the embodiment of the present invention, at least one antenna port is switched between multiple wave beams, and then saved Beam resources.

Description

A kind of communication equipment and communication means

Technical field

The present invention relates to the communications fields, in particular to communication equipment and communication means.

Background technique

Multiple-input and multiple-output (Multiple Input Multiple Output, MIMO) technology has been widely used In a wireless communication system come the covering for improving power system capacity with guaranteeing cell, such as long term evolution (Long Term Evolution, LTE) downlink of system uses the transmission diversity based on multiple antennas, it the space division multiplexing of open/close and is based on The multiple stream transmission of demodulated reference signal (Demodulation Reference Signal, DM-RS), wherein based on the more of DM-RS Spread it is defeated be the advanced evolution of LTE (LTE-A) system and follow-up system prevailing transmission mode.

As shown in Figure 1, the multiple stream transmission based on DM-RS often uses two dimensional beam figuration, a vertical direction can only be generated Wave beam.In order to further increase the performance of multiaerial system, people are studying the beamforming scheme of multiple vertical direction, tool Body is as shown in Figure 2.So as to carry out the wave beam forming on both horizontally and vertically simultaneously, referred to as three-dimensional wave beam forming.This Sample increases the freedom degree in a vertical direction relative to two dimensional beam figuration, then can be on same running time-frequency resource More users are multiplexed, different users is distinguished by the wave beam on horizontal or vertical direction, improves the utilization rate of resource.

For two-dimensional antenna configuration mode, base station usually by vertically to mutiple antennas a period of time be virtually weighted to one hang down The wave beam in some vertical direction is directly realized to antenna port (i.e. a radio-frequency channel, RF Chain), and passes through the antenna The corresponding wave beam in port carries out signal transmission.12 degree are set by the angle of declination of wave beam, the angle of declination refers to antenna port pair The pointing direction of wave beam caused by the aerial array answered and the angle of horizontal direction.Different aerial arrays can be formed with phase The wave beam of same or different angle of declinations.For example, a certain aerial array forms the wave beam for being directed toward the first angle of declination, other aerial arrays Form the wave beam for being directed toward other identical or different angle of declinations.It should be noted that the corresponding wave beam of each antenna port is solid It is fixed, the direction of wave beam, width, energy the parameters such as size can not be adjusted flexibly.Each aerial array is formed by antenna Port corresponds to fixed wave beam, so after for wave beam corresponding to each antenna port in some scene settings base station, If scene where base station changes, it is difficult to be adjusted correspondingly aerial array according to the scene after change to change Wave beam corresponding to each antenna port increases the complexity of product design and the ineffective activity of network deployment.Same horizontal direction Also lack one kind and beam direction is adjusted flexibly, to adapt to the technical solution of different scenes.

Summary of the invention

The embodiment of the invention provides a kind of communication equipment and communication means, can be neatly to the antenna in communication equipment Port is configured.

According to a first aspect of the embodiments of the present invention, a kind of communication equipment is provided.The communication equipment includes:

Determination unit, for determining the corresponding first driving matrix of X antenna port, the first driving matrix is by basis The alternative matrix composition of T driving for driving alternative set of matrices to obtain, the X antenna port is by the first driving rectangular At, the alternative set of matrices of driving includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, Wherein, P is less than or equal to N, and X is less than N, and the N is the maximum quantity for the antenna port that the communication equipment is capable of providing, the N A antenna port is formed by the second driving matrix, and the second driving matrix is formed according to the described S alternative matrix of driving；It is above-mentioned X, T, S, P are natural number；

Driving unit, for according to the first driving matrix by the corresponding aerial array of the X antenna port by institute The signal for stating X antenna port is sent.

Optionally, the determination unit determines the X antenna end according to the channel quality measurements of N number of antenna port Mouthful；Or, the determination unit determines the X antenna port according to the criterion of setting.

Optionally, the first driving matrix of the determination is semi-static determination, or be dynamically determined.

Optionally, the alternative matrix of driving includes any one in lower column matrix, or by one of lower column matrix Or any one multiple weighted in obtained matrix:

Wherein, A_iFor i-th of submatrix, i ∈ [1, k], the i, k are natural number, and T represents transposition.

Optionally, the corresponding angle of declination of each submatrix.

Optionally, the determination unit is for determining the corresponding first driving matrix of X antenna port, comprising:

For using at least one selection matrix to select the first driving matrix, institute from the second driving matrix Stating selection matrix includes any one in any one in lower column matrix, or the transposed matrix including lower column matrix:

Above-mentioned e_i(i=1 ..., N) is the matrix that N row 1 arranges, and i-th of element is 1 in the matrix, other elements 0.

Optionally, the first driving matrix of each antenna port of the X antenna port passes through the second driving square Battle array is multiplied to obtain with the selection matrix.

Optionally, the communication equipment further include: antenna, for sending signal；And at least one power amplifier, institute Power amplifier is stated between the driving unit and the antenna, for amplifying processing to signal.

Optionally, described according to the T alternative matrix of driving obtained in alternative set of matrices is driven, it is standby from the driving It selects T selected in set of matrices to drive alternative matrix, or is more by being selected in the alternative set of matrices of driving The T alternative matrix of driving that a alternative matrix weights of driving obtain.

Optionally, the determination unit is located at base band domain and the driving unit is located at analog domain；The antenna port For vertically to antenna port.

Another aspect according to an embodiment of the present invention, provides a kind of communication means.The communication means includes the following steps:

Determine the corresponding first driving matrix of X antenna port, the first driving matrix is by according to the alternative matrix of driving Gather the alternative matrix composition of T obtained driving, the X antenna port is formed by the first driving matrix, the driving Alternative set of matrices includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, wherein P is less than It is less than N equal to N, X, the N is the maximum quantity for the antenna port that the communication equipment is capable of providing, N number of antenna port It is formed by the second driving matrix, the second driving matrix is formed according to the described S alternative matrix of driving；Above-mentioned X, T, S, P are Natural number；

According to the first driving matrix by the corresponding aerial array of the X antenna port by the X antenna port Signal send.

Optionally, the determining X antenna port it is corresponding first driving matrix include, according to the letter of N number of antenna port Road quality measurements determine the X antenna port；Or, determining the X antenna port according to the criterion of setting.

Optionally, the corresponding angle of declination of each submatrix.

Optionally it is determined that X antenna port it is corresponding first driving matrix, comprising: using at least one selection matrix from The first driving matrix is selected in the second driving matrix, the selection matrix includes any one in lower column matrix It is a, or any one in the transposed matrix including lower column matrix:

Optionally, by the X antenna port corresponding aerial array that the X is a according to the first driving matrix Before the signal of antenna port is sent, processing is amplified to the signal.

Optionally, the antenna port is to determine the first of the X antenna port in base band domain vertically to antenna port Matrix is driven, it is by the X antenna port corresponding aerial array that the X is a according to the first driving matrix in analog domain The signal of antenna port is sent.

Another aspect according to an embodiment of the present invention, provides a kind of communication equipment.The communication equipment includes: that processing is single Member, for measuring the channel quality of N number of antenna port, the N is the maximum for the antenna port that the communication equipment is capable of providing Quantity, N number of antenna port are formed by the second driving matrix, and the second driving matrix is according to the described S alternative square of driving Battle array composition, each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N；

Transmission unit, for sending the channel quality of N number of antenna port；

Receiving unit, for receiving the data-signal of X antenna port, the X antenna port is by the first driving matrix It is formed, the first driving matrix according to the T alternative matrix of driving for driving alternative set of matrices to obtain by forming, the driving Alternative set of matrices includes the alternative matrix of the S driving, and X is less than N, and above-mentioned X, T, S, P are natural number.

Optionally, the antenna port is vertically to antenna port, the T according to obtained in driving alternative set of matrices A alternative matrix of driving, T to select from the alternative set of matrices of driving drives alternative matrix, or for by described Drive the T alternative matrix of driving that the alternative matrix weights of multiple drivings selected in alternative set of matrices obtain.

Another aspect according to an embodiment of the present invention, provides a kind of communication means.Described method includes following steps: measurement The channel quality of N number of antenna port, the N is the maximum quantity for the antenna port that opposite end communication equipment is capable of providing, described N number of Antenna port is formed by the second driving matrix, and the second driving matrix is formed according to the described S alternative matrix of driving, described every A alternative matrix of driving includes P submatrix, wherein P is less than or equal to N；The channel quality of N number of antenna port is sent out It goes；The data-signal of X antenna port is received, the X antenna port is formed by the first driving matrix, the first driving square For battle array by being formed according to the T alternative matrix of driving for driving alternative set of matrices to obtain, the alternative set of matrices of driving includes institute The S alternative matrix of driving is stated, X is less than N, and above-mentioned X, T, S, P are natural number.

Another aspect according to an embodiment of the present invention, provides a kind of communication equipment.The communication equipment includes: processor, For determining the corresponding first driving matrix of X antenna port, the first driving matrix is by according to the alternative set of matrices of driving The alternative matrix composition of T obtained driving, the X antenna port are formed by the first driving matrix, and the driving is alternative Set of matrices includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N, X are less than N, and the N is the maximum quantity of antenna port that the communication equipment is capable of providing, and N number of antenna port is by the Two driving matrixes are formed, and the second driving matrix is formed according to the described S alternative matrix of driving；Above-mentioned X, T, S, P are nature Number；Network entity is driven, for driving matrix will be described by the corresponding aerial array of the X antenna port according to described first The signal of X antenna port is sent.

Another aspect according to an embodiment of the present invention, provides a kind of communication equipment.The communication equipment includes: processor, For measuring the channel quality of N number of antenna port, the N is the maximum number for the antenna port that the communication equipment is capable of providing Amount, N number of antenna port are formed by the second driving matrix, and the second driving matrix is according to the described S alternative matrix of driving Composition, each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N；Transmitter is used for N number of day The channel quality of line end mouth is sent；Receiver, for receiving the data-signal of X antenna port, the X antenna port It is formed by the first driving matrix, the first driving matrix is by according to the T alternative square of driving for driving alternative set of matrices to obtain Battle array composition, the alternative set of matrices of driving include the alternative matrix of the S driving, and X is less than N, and above-mentioned X, T, S, P are nature Number.

In the embodiment of the present invention, by determining the corresponding driving matrix of antenna port, and according to identified driving matrix The signal of antenna port is sent, neatly the antenna port in communication equipment can be configured, and then improves Applicability of the communication equipment to various scenes.

Detailed description of the invention

In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.

Fig. 1 is two dimensional beam figuration scheme schematic diagram in the prior art；

Fig. 2 is three-dimensional beamforming scheme schematic diagram in the prior art；

Fig. 3 is Multilevel user schematic diagram of a scenario；

Fig. 4 is a kind of block diagram of communication equipment of the embodiment of the present invention；

Fig. 5 is the block diagram of another communication equipment of the embodiment of the present invention；

Fig. 6 is the block diagram of another communication equipment of the embodiment of the present invention；

Fig. 7 is the block diagram of another communication equipment of the embodiment of the present invention；

Fig. 8 is the block diagram of another communication equipment of the embodiment of the present invention；

Fig. 9 is a kind of block diagram of communication means of the embodiment of the present invention；

Figure 10 is a kind of block diagram of communication equipment of the embodiment of the present invention；

Figure 11 is the block diagram of another communication equipment of the embodiment of the present invention；

Figure 12 is the block diagram of another communication means of the embodiment of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work Example is applied, all should belong to the scope of protection of the invention.

It should be understood that communication equipment involved in the embodiment of the present invention includes but not limited to source radio network controller (Source Radio Network Controller, Source RNC)/source base station controller (Source Base Station Controller, Source BSC), source Serving GPRS Support Node (Source Serving GPRS Support Node, Source SGSN), E-UTRAN NodeB (evolved universal terrestrial radio access Network NodeB, eNodeB) and UE (User Equipment, user equipment).

In general, communication equipment becomes the data to be sent after the processing of the base band domains such as precoding by inverse Fourier It changes, parallel-serial conversion, enter analog domain after digital-to-analogue conversion, and become radiofrequency signal by up-conversion, be weighted by driving unit Launched after processing by the corresponding each antenna element of aerial array.In order to express easily, below vertically to antenna end It is illustrated for mouthful.It will be understood by those skilled in the art that the embodiment of the present invention can be equally used for horizontal direction antenna end Mouthful.

As shown in figure 4, it is each vertically to the signal of antenna port, it is weighted by the weighting coefficient of driving unit, shape It is fixed at some vertical to wave beam.It is assumed that communication equipment is using two vertically to antenna port s₁And s₂When.The drive of driving unit Dynamic matrix Q ' may be expressed as:

Wherein Q ' is the driving matrix of driving unit, and A is first vertically to antenna port s₁Submatrix, contain in the A Have n element, n be this first vertically into antenna port corresponding aerial array antenna element quantity, this n element a₁, a₂... a_nTo form first vertically to the weighting coefficient of the wave beam of antenna port.First vertically to antenna port s₁Data it is logical N weighting coefficient for crossing submatrix A weights to form some wave beam for fixing direction.B is second vertically to antenna port s₂Son Matrix, contains m element in the B, m for this second vertically into antenna port corresponding aerial array antenna element number Amount, this m element b₁, b₂... b_mFor the weighting coefficient of wave beam, second vertically to antenna port s₂Data pass through submatrix B M weighting coefficient weight to be formed some fix be directed toward wave beam.Driving unit is according to driving matrix, from first vertically to antenna The corresponding aerial array in port forms first wave beam, vertically forms second to the corresponding aerial array of antenna port from second Wave beam.

If when m=n, submatrix A and submatrix B may further have following form, B=α A.It in this way can be by right Submatrix A obtains second vertically to the submatrix α A of antenna port multiplied by complex valued weight factor alpha.Wherein α is second vertically to day Complex valued weight coefficient on line end mouth.Then formula (1) can have following form:

When α takes some special complex values, above-mentioned formula 2) in A and α A may be combined to form third vertically to antenna port, institute Third is stated vertically to the antenna element of antenna port from the first vertical antenna element into the corresponding aerial array of antenna port Vertically the antenna element composition into the corresponding aerial array of antenna port, 2n for passing through submatrix A and α A weight with second Coefficient weights to form the fixed wave beam being directed toward.

In Multilevel user distribution scene shown in Fig. 3, there are multiple users in 1-8 layers of random distribution.For low layer user For, traditional wave beam, such as the wave beam of 12 degree of angle of declinations, it is ensured that the performance of this certain customers.But the wave beam can not Sufficiently covering high-level user.Cover high-level user, it usually needs another set aerial array forms one and is directed toward the vertical of high level To wave beam.It should be noted that two groups of aerial arrays are independently directed toward fixed vertical direction, it is formed by direction, the width of wave beam The parameters such as narrow, energy size can not be adjusted flexibly.Each wave beam vertically used to antenna port can not exchange or become Change.So this cured scheme is not applied for different scenes, what the complexity and network for increasing product design were disposed Ineffective activity.

First embodiment

According to an embodiment of the invention, providing a kind of communication equipment.The communication equipment can be located at base station side, specifically can be with It is base station.As shown in figure 5, the communication equipment 500 may include:

Determination unit 503, for determine X antenna port it is corresponding first driving matrix, it is described first driving matrix by According to the alternative matrix composition of T driving for driving alternative set of matrices to obtain, the X antenna port is by the first driving square Formation is at the alternative set of matrices of driving includes the S alternative matrix of driving, and each alternative matrix of driving includes P son Matrix, wherein P is less than or equal to N, and X is less than N, and the N is the maximum quantity for the antenna port that the communication equipment is capable of providing, N number of antenna port is formed by the second driving matrix, and the second driving matrix is according to the described S alternative matrix group of driving At；Above-mentioned X, T, S, P are natural number；

Driving unit 505, for driving matrix will by the corresponding aerial array of the X antenna port according to described first The signal of the X antenna port is sent.

It is appreciated that for multiple vertically to for antenna port, in the prior art determined by vertically to antenna port Quantity be the same as the maximum quantity of antenna port that communication equipment is capable of providing.Use is vertically to antenna port It is fixed and cannot change.According to an embodiment of the invention, the first driving matrix determined by determination unit is alternative by T driving Matrix composition.Moreover, this T can arbitrarily determine in the S alternative matrix of driving, determining T drives alternative matrix every time It may be the same or different.According to an embodiment of the invention, for vertically to for antenna port, determination unit institute Determining X are the vertical maximum quantity N to antenna port being capable of providing from the communication equipment vertically to antenna port Middle determination, determining X vertically may be the same or different to antenna port every time.

According to an embodiment of the invention, the channel quality measurement that the determination unit can be returned according to opposite end communication node As a result it determines its required antenna port, while determining and driving matrix used in the antenna port.Opposite end communication node returns The channel quality measurements returned, which can be opposite end and be measured respectively based on N number of antenna port, to be obtained.It can be according to N number of antenna end The channel quality measurements of mouth determine the X antenna port, and such as X antenna port corresponds in N number of measurement result most Big X.

Other than according to channel quality measurements, the determination unit can also determine its institute according to the criterion of setting The antenna port needed.For example base station is according to the corresponding first driving matrix of scene configuration.In base station, height is greater than user's height UMa scene under, base station be intra-cell users configure driving matrix corresponding to downward wave beam, such as the corresponding angle of declination of wave beam It is 12 °.And it is less than the city Microcell that a part of user's height is greater than another part user height simultaneously in base station height Under (Urban Micro, UMi) scene, base station, which configures existing upward wave beam for intra-cell users, to be had again corresponding to downward wave beam First driving matrix, such as by -6 ° of first driving matrixes formed by 12 ° of angle of declination of existing angle of declination again.Or base station can also root Corresponding driving matrix is configured according to user distribution, such as in the case where user is distributed only over ground, base station is matched for intra-cell users Downward wave beam is set, the driving matrix as corresponding to 12 ° of angle of declination.The criterion that the determination unit of the communication equipment passes through setting Or can be changed according to channel measurement with fast responding scene, and corresponding driving matrix is adaptively adjusted, thus more preferably The different scene requirement of adaptation.

According to an embodiment of the invention, the first driving matrix of the determination can be semi-static determination, it is also possible to It is dynamically determined.It is so-called semi-static, refer to the X antenna port corresponding first being made of the T alternative matrix of driving selected Driving matrix be in longer period of time it is fixed, can be tens this period, several hundred a transmission time intervals (transmission time interval, TTI), is also possible to a few minutes or several hours.After a period of time, again really Determine the first driving matrix of the antenna port that X are formed by the T alternative matrix of driving.So-called dynamic refers to and is dynamically determined T in real time The corresponding first driving matrix of the X antenna port that a alternative matrix of driving is formed, which is real-time dynamic change. The communication equipment uses semi-static determination, and signaling overheads can be saved on the basis of not losing flexibility.The communication is set It is standby to use in real time or be dynamically determined, wave beam can be adjusted, more flexiblely to adapt to changeable scene.

According to an embodiment of the invention, the alternative matrix of driving includes any one in lower column matrix, or under Any one one or more weighted in obtained matrix of column matrix:

Wherein, A_iFor i-th of submatrix, i ∈ [1, k], the i, k are natural number, and T represents transposition.Each submatrix can To form a wave beam, the angle of declination of the wave beam is a parameter of wave beam.Angle of declination corresponding to each submatrix is usually It is different, but the same situation of angle of declination is not precluded in the embodiment of the present invention.In addition to this, width of wave beam etc. other Parameter is also can be same or different.

It is assumed that N is the maximum quantity for the antenna port that the communication equipment is capable of providing, N number of antenna port is by second Driving matrix is formed, and the second driving matrix is formed according to the described S alternative matrix of driving.For example, it described second drives Dynamic matrix includes being not limited to following form:

Wherein, Q is the matrix of P row N column.MatrixIt can be by driving alternative matrix Q₁₁, Q₂₁..., Q_P1Set of weights Conjunction obtains, similarly other available matrixes.I.e.

The second driving matrix can also include following matrix, which is the matrix that P row 1 arranges:

Wherein i₁, i₂..., i_pAny one value between [1, k], i.e. A_i1..., A_ipDifferent submatrixs is represented, α_i1..., α_ipRepresent different complex valued weight coefficients.The second driving matrix can also include the transposed matrix of the matrix.

Fig. 5 is shown according to one embodiment of present invention.As shown, the determination unit passes through X determining day The signal L of line end mouth reception base band domain₁, L₂..., L_x.The X antenna port is elected from N number of antenna port.It will be sent out The data sent are by the corresponding N number of radio-frequency channel of N number of antenna port, specifically, S₁, S₂..., S_N, into driving unit.It is described Driving unit passes through driving weighting coefficient W according to above-mentioned first driving matrix_1,1..., W_r1, W_1,2..., W_{R, 2}, W_{1, M}..., W_{R, M}, different multiple wave beams are used to form after being weighted processing to above-mentioned data, these wave beams can have different spies Property.Wherein, r is the number of most multifunctional driving weighting coefficient in each antenna element.A_kIt has a down dip sub-matrix for kth, institute State A_kIn contain M element, M for corresponding antenna element quantity.A_kIn M element be kth angle of declination driving weight Coefficient is had a down dip sub-matrix A using kth_kDriving weighting coefficient can weight to be formed be directed toward kth angle of declination wave beam.

By adjusting different vertical adjustable vertically to the direction of wave beam, width to the complex value of antenna port driving weighting coefficient The parameters such as narrow, energy intensity.Here adjustment can be adjusted by communication equipment, or the letter received according to the communication equipment Order is adjusted.

It should be noted that M corresponding to the wave beam of each angle of declination is equal, i.e., each difference in above-described embodiment Antenna port corresponding to the quantity of antenna element that uses be identical, i.e. A₁, A₂..., A_kDriving weighting coefficient number It measures identical.But it is understood that, the quantity of the antenna element used corresponding to each different antenna port in practice can be with Difference, i.e. A₁, A₂..., A_kIn the number of driving weighting coefficient can be inconsistent.Each vertically to the corresponding day of antenna port The quantity of linear array and drive the quantity of weighting coefficient that can determine according to the actual situation, as long as having a down dip silver coin square by kth Battle array A_kDriving weighting coefficient can be formed be directed toward kth angle of declination wave beam.

In the scheme of Fig. 5, an antenna element #M has been multiplexed r driving weighting coefficient W_{1, M}, W_{2, M}..., W_{R, M}.It can be with Find out, it is different vertical to be multiplexed on the same antenna to data corresponding to antenna port.It is different vertical to antenna end The driving weighting coefficient of the submatrix of different angle of declinations corresponding to mouthful can be added use.In other words, each vertically to day The corresponding driving matrix of line end mouth can be by driving any one or more weightings in alternative matrix to obtain.It should be understood that In the scheme of Fig. 5, horizontal direction antenna port vertically can will be replaced with to antenna port, corresponding weighting forms multiple level sides To wave beam.

According to an embodiment of the invention, determining the corresponding first driving matrix of X antenna port, comprising: use at least one A selection matrix selects the first driving matrix from the second driving matrix, and the selection matrix includes lower column matrix In any one, or any one in the transposed matrix including lower column matrix:

Above-mentioned e_i(i=1 ..., N) is the matrix that N row 1 arranges, and i-th of element is 1 in the matrix, other elements 0.Institute State the maximum quantity that N is the antenna port that the communication equipment is capable of providing.

Illustrated below, the driving matrix of antenna port 2 can be by above-mentioned second driving matrix Q and e₂It is multiplied, it can be with The first driving matrix that antenna port 2 uses is obtained, according to this corresponding weighting coefficient of the first driving matrix by antenna port 2 Signal is sent.

The above-mentioned scheme that the first driving matrix is determined using selection matrix is to select a kind of form of driving matrix.This As long as field technical staff, which is appreciated that in determining Q, indicates corresponding column or row, so that it may clearly required driving square Battle array.In other words, only it is to be understood that Q and required number.The number is required row number or line number.According to using The technical solution of selection matrix or row number or line number, determination unit do not need to transmit all driving squares to driving unit Battle array or the alternative matrix of driving, so as to save signal resource.Determination unit can be by the information comprising row number or line number It is sent to driving unit, so that technical solution is easier to realize.

According to an embodiment of the invention, can also have at least one power amplification between the driving unit and antenna Device, the power amplifier is for amplifying processing to the corresponding signal of antenna port.

As shown in figure 5, the power amplifier can be after driving unit, i.e., an antenna element is associated with a power and puts Big device can also be before driving unit, i.e., a radio-frequency channel is associated with a power amplifier.Power amplifier is rear, each It is lower that antenna element is associated with requirement of the technical solution of a power amplifier to power amplifier, thus can reduce use cost.Power amplifier Preceding, each radio-frequency channel is associated with the technical solution of a power amplifier to the more demanding of power amplifier, can improve use cost.

According to an embodiment of the invention, the determination unit can be located at base band domain and the driving unit can position In analog domain.Fig. 6,7 show more detailed scheme.It include determination unit in base band domain, determination unit passes through determining X Antenna port receives the signal of base band domain, and determines the corresponding first driving matrix of X antenna port, and determining first is driven Dynamic matrix is transmitted to driving unit by controller or other approach, and the data to be sent are passed through and are become by inverse Fourier Change, parallel-serial conversion, enter analog domain after digital-to-analogue conversion, and become radiofrequency signal by up-conversion, by driving unit according to above-mentioned First driving matrix is weighted after processing through being launched by the corresponding each antenna element of aerial array above-mentioned data.

Communication equipment shown in Fig. 6 includes driving unit, determination unit and antenna element and the first described power amplification Device.Wherein, the first described power amplifier refers to power amplifier of the power amplifier after driving unit.Optionally, It includes driving unit, determination unit and antenna element and second of power amplifier that Fig. 7, which shows communication equipment,.Wherein, Second of power amplifier refers to power amplifier of the power amplifier before driving unit.

In order to which the embodiment of the present invention is described in more detail, below by way of the specific technical solution of illustration.

By taking Fig. 4 as an example, communication equipment uses two groups of aerial arrays.According to an embodiment of the invention, it is standby to provide multiple drivings Select matrix.Each alternative matrix of driving includes any one in lower column matrix, or by one or more of lower column matrix Any one a weighted in obtained matrix,

Wherein, each driving matrix includes 2 submatrixs, submatrix A₁It is used to form the 1st wave beam, such as the 1st wave beam can be with 12 ° of angle of declination are directed toward, submatrix A₂It is used to form the 2nd wave beam, such as the 2nd wave beam can be directed toward -6 ° of angle of declination.

As can be seen that one or more weighting in the matrix for passing through above formula (8) can obtain the square such as following formula (9) Battle array, according to embodiments of the present invention, the set of the alternative driving matrix include but not limited to the matrix in formula (9).The weighting The operation for referring to complex valued weight coefficient and the matrix multiple, and the obtained matrix that is multiplied being added.

Wherein α₁、α₂、α₃、α₄It is complex valued weight coefficient.

For example, Q₁It can form first antenna port, and the 1st beam position angle of declination that first antenna port is formed 12°。Q₂It can form the second antenna port, and 12 ° of the 2nd beam position angle of declination that the second antenna port is formed.Q₃It can be formed Third antenna port, and the 3rd -6 ° of the beam position angle of declination that third antenna port is formed.By to Q₅In α₁Assignment is carried out, Q₅It can be used for being formed the 5th antenna port, 12 ° of the 5th beam position angle of declination that the 5th antenna port is formed.By to α₁ Assignment is adjusted, and can form a synthesis wave beam, and only more narrower compared to the 1st wave beam, the synthesis wave beam is by two It is directed toward 12 ° of angle of declination of Wave beam forming.By to Q₆In α₂Carry out assignment, Q₆It can be used for being formed the 6th antenna port, it is described 12 ° of the 6th beam position angle of declination that 6th antenna port is formed.By to α₂Assignment is adjusted, and can form a synthesis Wave beam, only more narrower compared to the 3rd wave beam, the synthesis wave beam is directed toward -6 ° of angle of declination of Wave beam forming by two.By right Q₇In α₃Carry out assignment, Q₇Can be used for being formed the 7th antenna port, the 7th antenna port forms a synthesis wave beam, The synthesis wave beam is by 12 ° of direction angle of declination of wave beam and the Wave beam forming of -6 ° of angle of declination of direction.By to Q₈In α₄It carries out Assignment, Q₈It can be used for being formed a synthesis wave beam, the wave beam that synthesizes is by -6 ° of direction angle of declination of wave beam and direction angle of declination 12 ° of Wave beam forming.Similarly, Q can also be directed to₇、Q₈Carry out assignment adjustment.

Communication equipment, such as base station can determine the vertical to antenna port of actual use according to different needs, and each Vertically to the corresponding submatrix of antenna port and wave beam.For example, can according to different scenes and/or corresponding user distribution come It is determined.

In Fig. 3, when base station height is 10 meters, and user distribution is in the high building of 1-8 layers (every floor is 3 meters high), base station It can choose according to the alternative matrix Q of driving₁, Q₄It is driven.I.e. corresponding submatrix is A₁And A₂, correspondingly, first antenna battle array Column form the 1st wave beam of downwardly directed covering, are such as directed toward 12 ° of angle of declination, and the second aerial array, which is formed, is directed toward the 2nd upward wave Beam is such as directed toward -6 ° of angle of declination.It in this way can the 5-8 layer user on coverage base station height and base station 1-4 highly below simultaneously Layer user.

Alternatively, base station can choose according to the alternative matrix Q of driving₃, Q₄It is driven, i.e., corresponding submatrix is A₂And A₂, Correspondingly, two aerial arrays, which are all formed, is directed toward the wave beam that upward inclination angle is -6 °, on coverage base station height 5-8 layers of user.Similarly, downward wave beam can be formed, base station can choose according to the alternative matrix Q of driving₁, Q₂It is driven, I.e. corresponding submatrix is A₁And A₁, correspondingly, two aerial arrays, which are all formed, is directed toward the wave beam that angle of declination is 12 °, so as to Coverage base station height 1-4 layers of user below.

Alternatively, base station can choose according to the alternative matrix Q of driving₅It is driven, i.e., corresponding submatrix is A₁And α₁A₁, By to α₁Assignment, A₁And α₁A₁One the above-mentioned 5th can be further formed vertically to antenna port, the antennas orthogonal is to antenna end The corresponding aerial array of mouth, which is formed, is directed toward above-mentioned 5th wave beam that angle of declination is 12 °.It can be adapted for city macrocell in this way (Urban Macro, UMa) scene or the scene on only ground and the 1st layer of user distribution.Base station height under the UMa scene It is 25 meters, user is randomly dispersed in 1-8 layers of high building (every floor is 3 meters high), therefore base station height is consistently greater than user's height, It therefore can be only with a downward inclination angle under this scene.

It can be seen from foregoing description when needing beam position base station height low layer below, base station can wrapped Containing A₁The alternative matrix of driving in select corresponding matrix, such as can be in Q₁, Q₂, Q₅, Q₇, Q₈Middle selection.When needing to refer to wave beam When high level more than to base station height, base station can include A₂The alternative matrix of driving in select corresponding matrix, such as can be with In Q₃, Q₄, Q₆, Q₇, Q₈Middle selection.

Pass through foregoing description, it can be seen that the embodiment of the present invention can be multiple vertically to antenna end with flexible choice and adjustment It is vertical to wave beam corresponding to mouthful, so as to be suitable for different scenes.

For example, communication equipment be capable of providing it is vertical to the maximum quantity of antenna port be 8, it is corresponding driving it is standby Selecting matrix is the Q in above-mentioned formula (9)₁To Q₈.P is the number for the beam direction that the communication equipment is capable of providing.Determination unit The channel quality that the corresponding antenna port of matrix can be alternatively driven according to this 8 of user feedback, such as signal-to-noise ratio (Signal Noise ratio, SNR), Reference Signal Received Power (Reference Signal Received Power, RSRP), channel Quality indicates (Channel Quality Indicator, CQI) etc., determine 2 vertically to antenna port, and determine this 2 It is a vertically to drive matrix to corresponding to antenna port first.Determination unit can according to measurement result using maximize criterion or 2 are vertically determined into antenna port at described 8 according to some channel quality thresholds.It is mentioned herein vertically to antenna port The first corresponding driving matrix, can be two and vertically respectively corresponds one first driving matrix to antenna port.It can be with It is two and vertically corresponds to one first driving matrix jointly to antenna port, specifically can be and specifically included in the first driving matrix Q₁To Q₈In certain the two alternative matrixes of driving.

Drive alternative matrix Q₁To Q₈The second driving matrix Q can be formed.Wherein Q₁, Q₂..., Q₈Order can change And can be pre-arranged, the Q described as an example includes being not limited to following form:

As use selection matrix e₇When being multiplied with Q, the first driving matrix Q can be obtained₇.The selection matrix includes following Any one in matrix, or any one in the transposed matrix including lower column matrix:

As Q and e₁It is multiplied, available first driving matrix Q₁, i.e., corresponding submatrix is A₁With 0.As Q and e₂It is multiplied, Available first driving matrix Q₂, i.e., corresponding submatrix is 0 and A₁.The rest may be inferred, as Q and e₈It is multiplied, available first Drive matrix Q₈.So have following formula,

Q_i=Qe_i (12)

In general, the quantity of used antenna element determines the width of its formed wave beam.For example use 8 antenna arrays The beam angle that son is formed than using the beam angle of 4 antenna element narrower, more concentrate by energy.In cell, due to Its radius of society is smaller, thus cover it is good, such as can be with so as to use the driving matrix of the broad beam formed by less a period of time Using only above-mentioned Q₁、Q₂、Q₃Or Q₄Drive alternative matrix.

The other side of embodiment according to the present invention, the communication equipment can pass through the limited alternative square of driving Battle array, combined weighted are more driven alternative matrix.

Alternative set of matrices is driven to can be the Q in formula (8) in example as above₁₁、Q₁₂、Q₂₁And Q₂₂, i.e. the Q of formula (9)₁、Q₂、Q₃ And Q₄, can also be by the way that this 4 alternative matrix combined weighteds of driving be more driven alternative matrix.

For example, the vertical maximum quantity to antenna port which is capable of providing can be 5.Communication is set Standby determination unit determines that 3 vertically drive matrix to the first of antenna port, and the first driving matrix is by driving alternative matrix The alternative matrix composition of 3 drivings in set, such as including three alternative matrixes of driving.This 3 vertically to antenna port by this First driving matrix is formed.As previously mentioned, 3 vertically drive matrix to antenna port corresponding first, it can also be each and hang down Directly to the corresponding one first driving matrix of antenna port, specifically no longer illustrate.The alternative set of matrices of driving includes above-mentioned 4 The alternative matrix of driving that alternative driving matrix and this 4 alternative driving matrix weights obtain.Each alternative matrix of driving includes 2 A submatrix.Second driving matrix then forms 5 that the communication equipment is capable of providing vertically to antenna port, second driving Matrix is made of 5 alternative driving matrixes.Assuming that corresponding 5 alternative driving matrixes are respectively Q₁、Q₂、Q₃And Q₄, and pass through Weight obtained Q₅.Determination unit can alternatively drive the channel of the corresponding antenna port of matrix according to this 5 of user feedback Quality determines that 3 vertically drive matrix to antenna port and corresponding first.Drive alternative matrix Q₁To Q₅Can be formed Two driving matrix Q.Wherein Q₁, Q₂..., Q₅Order can change and can be pre-arranged, the Q described as an example includes It is not limited to following form:

The selection matrix arranged using 35 rows 1:

It is multiplied with Q, Q included in the first driving matrix can be obtained₁、Q₂And Q₅。

It is all the matrix single-row with multirow that matrix, the first, second driving matrix, selection matrix are alternatively driven in example above Form occur.This matrix form is only constrained to the limitation of Description Matrix, is not for limiting core of the invention Thought.It should be understood that above-mentioned matrix can be replaced with the matrix of uniline multiple row by those skilled in the art, and to it is corresponding its His matrix carries out transposition and relevant parameter is adaptively adjusted, and technical solution of the present invention still may be implemented.Thus The scheme of these deformations should be included within the scope of the present invention.

The above is only be directed to vertically to illustrate to antenna port, it is possible to understand that, the embodiment of the present invention is not limited to hang down Directly to antenna port.Based on identical principle, horizontal antenna port also can be applied to.It only needs vertical to antenna by above Port replaces with horizontal direction antenna port.The embodiment of the present invention even can be applied to other possible dimensional antenna ends The scene of mouth.

Second embodiment

According to an embodiment of the invention, providing a kind of communication equipment.As shown in figure 8, the communication equipment 800 includes:

Processor 803, for determining the first driving matrix of X antenna port, the first driving matrix is by according to drive The alternative matrix composition of T driving that alternative set of matrices obtains is moved, the X antenna port is by the first driving rectangular At, the alternative set of matrices of driving includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, Wherein, P is less than or equal to N, and X is less than N, and the N is the maximum quantity for the antenna port that the communication equipment is capable of providing, the N A antenna port is formed by the second driving matrix, and the second driving matrix is formed according to the described S alternative matrix of driving；It is above-mentioned X, T, S, P are natural number；

Network entity 805 is driven, for driving matrix by the corresponding antenna array of the X antenna port according to described first Column send the signal of the X antenna port.

In the present embodiment, the institute that processor can complete determination unit in first embodiment is functional, or executes identical The step of；Network entity is driven, the institute that can complete driving unit in first embodiment is functional, or executes identical step Suddenly.The determination unit of the connection relationship and first embodiment of the processor and driving network entity and the connection of driving unit are closed System is consistent.For the situation in Fig. 6 or 7, the connection relationship of other elements is implemented with first in above-mentioned processor and communication equipment Processing unit is consistent with the connection relationship of other elements in example, the company of other elements in above-mentioned driving network entity and communication equipment It is consistent with the connection relationship of other elements with driving unit in first embodiment to connect relationship.

The present embodiment is device claim similar with first embodiment, also be may include similar in first embodiment The elements such as antenna, power amplifier may be implemented the similar effect with first embodiment, repeat no more.

3rd embodiment

According to an embodiment of the invention, providing a kind of communication means.As shown in figure 9, this method comprises the following steps:

901, the first driving matrix of X antenna port is determined, the first driving matrix is by according to the alternative matrix of driving Gather the alternative matrix composition of T obtained driving, the X antenna port is formed by the first driving matrix, the driving Alternative set of matrices includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, wherein P is less than It is less than N equal to N, X, the N is the maximum quantity for the antenna port that the communication equipment is capable of providing, N number of antenna port It is formed by the second driving matrix, the second driving matrix is formed according to the described S alternative matrix of driving；Above-mentioned X, T, S, P are Natural number；

902, according to the first driving matrix by the corresponding aerial array of the X antenna port by the X antenna The signal of port is sent.

As can be seen that in the embodiment of the present invention, it, can be neatly to logical by determining the corresponding driving matrix of antenna port Antenna port in letter equipment is configured, and then improves communication equipment to the applicability of various scenes.

Specifically, in above-mentioned steps 901, the corresponding first driving matrix of the determining X antenna port may include, The X antenna port is determined according to the channel quality measurements of N number of antenna port；Or, being determined according to the criterion of setting The X antenna port.

In above-mentioned steps 901, the first driving matrix of the determination can be semi-static determination, be also possible to dynamic really Fixed.

According to the T alternative matrix of driving obtained in alternative set of matrices is driven described in the embodiment of the present invention, be from The T alternative matrix of driving selected in the alternative set of matrices of driving, or for by the alternative set of matrices of driving The T alternative matrix of driving that the alternative matrix weights of multiple drivings selected obtain.

The alternative matrix of the driving of the embodiment of the present invention can specifically include any one in lower column matrix, or By any one one or more weighted in obtained matrix of lower column matrix:

Wherein, A_iFor i-th of submatrix, i ∈ [1, k], the i, k are natural number, and T represents transposition.Every sub- square Battle array can correspond to an angle of declination.

In above-mentioned steps 901, determines the corresponding first driving matrix of X antenna port, can specifically include:

The first driving matrix, the choosing are selected from the second driving matrix using at least one selection matrix Selecting matrix includes any one in any one in lower column matrix, or the transposed matrix including lower column matrix:

Correspondingly, the first driving matrix of each antenna port of the X antenna port passes through the second driving square Battle array is multiplied to obtain with the selection matrix.The step of the step of multiplication executes with first embodiment device is consistent, no longer superfluous It states.

Before above-mentioned steps 902 execute specific signal transmission, processing can also be amplified to the signal.

According to an embodiment of the invention, the antenna port is to determine the X day in base band domain vertically to antenna port The driving matrix of line end mouth, in analog domain according to the first driving matrix by the corresponding aerial array of the X antenna port The signal of the X antenna port is sent.

Communication means provided in this embodiment is corresponding with the communication equipment of first embodiment.The communication party of the present embodiment The effect of communication equipment of effect and first embodiment of method is consistent, repeats no more.

Fourth embodiment

According to an embodiment of the invention, providing a kind of communication equipment.The communication equipment can be located at user side, specifically can be with It is user equipment.As shown in Figure 10, the communication equipment 1000 includes: processing unit 1003, for measuring N number of antenna port Channel quality, the N are the maximum quantity of antenna port that opposite end communication equipment is capable of providing, and N number of antenna port is by the Two driving matrixes are formed, and the second driving matrix is formed according to the described S alternative matrix of driving, each alternative square of driving Battle array includes P submatrix, wherein P is less than or equal to N；

Transmission unit 1005, for sending the channel quality of N number of antenna port；

Receiving unit 1001, for receiving the data-signal of X antenna port, the X antenna port is by the first driving Matrix is formed, and the first driving matrix is described by being formed according to the T alternative matrix of driving for driving alternative set of matrices to obtain Driving alternative set of matrices includes the alternative matrix of the S driving, and X is less than N, and above-mentioned X, T, S, P are natural number.

According to an embodiment of the invention, the antenna port be vertically to antenna port, it is described according to driving alternative matrix The T alternative matrix of driving obtained in set, for the T alternative square of driving selected from the alternative set of matrices of driving Battle array, or it is standby for the T driving obtained by the alternative matrix weights of multiple drivings selected in the alternative set of matrices of driving Select matrix.

Opposite end communication equipment in the embodiment of the present invention, can be communication equipment described in above-mentioned apparatus embodiment, should Opposite end communication equipment and communication equipment shown in Fig. 10 are included in a wireless communication system.For example, shown in Fig. 10 Communication equipment can be UE, which specifically can be base station.

In the embodiment of the present invention, communication equipment passes through the channel quality shadow by detecting the channel quality of antenna port Ring the process that opposite end communication equipment determines the corresponding driving matrix of antenna port, can enable opposite end communication equipment faster more The neatly variation of responding scene improves opposite end communication equipment to the applicability of various scenes.

5th embodiment

According to an embodiment of the invention, providing a kind of communication equipment.The communication equipment can be located at user side.Such as Figure 11 institute Show, which includes: processor 1103, and for measuring the channel quality of N number of antenna port, the N is logical for opposite end The maximum quantity for the antenna port that letter equipment is capable of providing, N number of antenna port are formed by the second driving matrix, and described second Matrix is driven to be formed according to the described S alternative matrix of driving, each alternative matrix of driving includes P submatrix, wherein P Less than or equal to N；

Transmitter 1105, for sending the channel quality of N number of antenna port；

Receiver 1101, for receiving the data-signal of X antenna port, the X antenna port is by the first driving square Formation is at the first driving matrix according to the T alternative matrix of driving for driving alternative set of matrices to obtain by forming, the drive Moving alternative set of matrices includes the alternative matrix of the S driving, and X is less than N, and above-mentioned X, T, S, P are natural number.

In the present embodiment, the institute that processor can complete processing unit in fourth embodiment is functional, or executes identical The step of；Transmitter, the institute that can complete transmission unit in fourth embodiment is functional, or executes identical step；It receives The institute that machine can complete receiving unit in fourth embodiment is functional, or executes identical step.The processor, transmitter It is consistent with the connection relationship of receiving unit with the connection relationship of receiver and the processing unit of fourth embodiment, transmission unit.

The present embodiment is device claim similar with fourth embodiment, be may be implemented similar with first embodiment Effect repeats no more.

Sixth embodiment

According to an embodiment of the invention, providing a kind of communication means.The communication equipment can be used for user side equipment, specifically It can be user equipment.As shown in figure 12, the communication means, includes the following steps:

1201, the channel quality of N number of antenna port is measured, the N is the antenna port that opposite end communication equipment is capable of providing Maximum quantity, N number of antenna port by second driving matrix formed, it is described second driving matrix according to described S driving Alternative matrix composition, each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N；

1202, the channel quality of N number of antenna port is sent；

1203, the data-signal of X antenna port is received, the X antenna port is formed by the first driving matrix, described First driving matrix according to the T alternative matrix of driving for driving alternative set of matrices to obtain by forming, the alternative matrix of driving Set includes the described S alternative matrix of driving, and X is less than N, and above-mentioned X, T, S, P are natural number.

Communication means provided in this embodiment is corresponding with the communication equipment of fourth embodiment.The communication party of the present embodiment The effect of communication equipment of effect and fourth embodiment of method is consistent, repeats no more.

Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be with It is realized with hardware realization or firmware realization or their combination mode.It when implemented in software, can be by above-mentioned function Storage in computer-readable medium or as on computer-readable medium one or more instructions or code transmitted.Meter Calculation machine readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another Any medium of a place transmission computer program.Storage medium can be any usable medium that computer can access.With For this but be not limited to: computer-readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disc storages, disk Storage medium or other magnetic storage apparatus or can be used in carry or store have instruction or data structure form expectation Program code and can be by any other medium of computer access.Furthermore.Any connection appropriate can become computer Readable medium.For example, if software is using coaxial cable, optical fiber cable, twisted pair, Digital Subscriber Line (DSL) or such as The wireless technology of infrared ray, radio and microwave etc is transmitted from website, server or other remote sources, then coaxial electrical The wireless technology of cable, optical fiber cable, twisted pair, DSL or such as infrared ray, wireless and microwave etc includes in affiliated medium In fixing.As used in the present invention, disk (Disk) and dish (disc) are logical including compression optical disc (CD), laser disc, optical disc, number With optical disc (DVD), floppy disk and Blu-ray Disc, the usually magnetic replicate data of which disk, and dish is then with laser come optical duplication Data.Combination above should also be as including within the protection scope of computer-readable medium.

Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should be in covering scope of the invention.

Claims

1. a kind of communication equipment, which is characterized in that the communication equipment includes:

Determination unit, for determining the corresponding first driving matrix of X antenna port, the first driving matrix is by according to driving The alternative matrix composition of the T driving that alternative set of matrices obtains, the X antenna port are formed by the first driving matrix, The alternative set of matrices of driving includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, In, P is less than or equal to N, and X is less than N, and the N is the maximum quantity for the antenna port that the communication equipment is capable of providing, described N number of Antenna port is formed by the second driving matrix, and the second driving matrix is formed according to the described S alternative matrix of driving；Above-mentioned X, T, S, P are natural number；

Driving unit, for by the X antenna port corresponding aerial array that the X is a according to the first driving matrix The signal of antenna port is sent.

2. communication equipment as claimed in claim 1, which is characterized in that

The determination unit is further used for, and determines the X antenna end according to the channel quality measurements of N number of antenna port Mouthful；

Or, the determination unit is further used for, the X antenna port is determined according to the criterion of setting.

3. such as the communication equipment of claims 1 or 2, which is characterized in that

First driving matrix of the determination is semi-static determination, or be dynamically determined.

4. a kind of communication equipment, which is characterized in that the communication equipment, which has to communicate described in claims 1 to 3 any one, to be set Standby whole features, also, the alternative matrix of driving includes any one in lower column matrix, or by the one of lower column matrix Any one a or multiple weighted in obtained matrix:

5. communication equipment according to claim 4, which is characterized in that the corresponding angle of declination of each submatrix.

6. a kind of communication equipment, which is characterized in that the communication equipment, which has to communicate described in claim 1 to 5 any one, to be set Standby whole features, also, the determination unit is for determining the corresponding first driving matrix of X antenna port, comprising:

For using at least one selection matrix to select the first driving matrix, the choosing from the second driving matrix Selecting matrix includes any one in any one in lower column matrix, or the transposed matrix including lower column matrix:

7. communication equipment according to claim 6, which is characterized in that the X antenna port corresponding first drives square Battle array is multiplied to obtain by the second driving matrix with the selection matrix.

8. a kind of communication equipment, which is characterized in that the communication equipment, which has to communicate described in claim 1 to 7 any one, to be set Standby whole features, and, further includes:

Antenna, including the aerial array for sending the signal；And

At least one power amplifier, the power amplifier is between the driving unit and the antenna, for letter Number amplify processing.

9. a kind of communication equipment, which is characterized in that the communication equipment, which has to communicate described in claim 1 to 8 any one, to be set Standby whole features, also, the T alternative matrix of driving obtained according to the alternative set of matrices of driving,

T to select from the alternative set of matrices of driving drives alternative matrix, or

For the T alternative square of driving obtained by the alternative matrix weights of multiple drivings selected in the alternative set of matrices of driving Battle array.

10. a kind of communication equipment, which is characterized in that the communication equipment, which has to communicate described in claim 1 to 9 any one, to be set Standby whole features, also, the determination unit is located at base band domain and the driving unit is located at analog domain；

And/or the antenna port is vertically to antenna port.

11. a kind of communication means, which comprises the steps of:

Determine the corresponding first driving matrix of X antenna port, the first driving matrix is by according to the alternative set of matrices of driving The alternative matrix composition of T obtained driving, the X antenna port are formed by the first driving matrix, and the driving is alternative Set of matrices includes the S alternative matrix of driving, and each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N, X are less than N, and the N is the maximum quantity of antenna port that the communication equipment is capable of providing, and N number of antenna port is by the Two driving matrixes are formed, and the second driving matrix is formed according to the described S alternative matrix of driving；Above-mentioned X, T, S, P are nature Number；

According to the first driving matrix by the corresponding aerial array of the X antenna port by the letter of the X antenna port It number sends.

12. such as the communication means of claim 11, which is characterized in that the determining X antenna port corresponding first drives square Battle array include,

The X antenna port is determined according to the channel quality measurements of N number of antenna port；

Or, determining the X antenna port according to the criterion of setting.

13. such as the communication means of claim 11 or 12, which is characterized in that

14. a kind of communication means, which is characterized in that the communication means has to be communicated described in claim 11 to 13 any one Whole features of method, also, the alternative matrix of driving includes any one in lower column matrix, or by lower column matrix One or more weights any one in obtained matrix:

15. according to the method for claim 14, which is characterized in that the corresponding angle of declination of each submatrix.

16. a kind of communication means, which is characterized in that the communication means has to be communicated described in claim 11 to 15 any one Whole features of method, also, determine the corresponding first driving matrix of X antenna port, comprising:

The first driving matrix, the selection square are selected from the second driving matrix using at least one selection matrix Battle array includes any one in lower column matrix, or any one in the transposed matrix including lower column matrix:

17. according to the method for claim 16, which is characterized in that the of each antenna port of the X antenna port One driving matrix is multiplied to obtain by the second driving matrix with the selection matrix.

18. a kind of communication means, which is characterized in that the communication means has to be communicated described in claim 11 to 17 any one Whole features of method, also, according to the first driving matrix by the corresponding aerial array of the X antenna port by institute State X antenna port signal send before, processing is amplified to the signal.

19. a kind of communication means, which is characterized in that the communication means has to be communicated described in claim 11 to 18 any one Whole features of method, also, the T alternative matrix of driving according to obtained in driving alternative set of matrices,

20. a kind of communication means, which is characterized in that the communication means has to be communicated described in claim 11 to 19 any one Whole features of method, also,

The antenna port be vertically to antenna port,

The first driving matrix of the X antenna port is determined in base band domain,

In analog domain according to the first driving matrix by the corresponding aerial array of the X antenna port by the X antenna The signal of port is sent.

21. a kind of communication equipment, which is characterized in that the communication equipment includes:

Processing unit, for measuring the channel quality of N number of antenna port, the N is the antenna that opposite end communication equipment is capable of providing The maximum quantity of port, N number of antenna port are formed by the second driving matrix, and the second driving matrix drives according to S Alternative matrix composition, each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N；

Receiving unit, for receiving the data-signal of X antenna port, the X antenna port is formed by the first driving matrix, For the first driving matrix by being formed according to the T alternative matrix of driving for driving alternative set of matrices to obtain, the driving is alternative Set of matrices includes the alternative matrix of the S driving, and X is less than N, and above-mentioned X, T, S, P are natural number.

22. such as the communication equipment of claim 21, which is characterized in that

The antenna port be vertically to antenna port, and/or,

The T alternative matrix of driving according to obtained in driving alternative set of matrices,

23. a kind of communication means, which comprises the steps of:

The channel quality of N number of antenna port is measured, the N is the maximum number for the antenna port that opposite end communication equipment is capable of providing Amount, N number of antenna port are formed by the second driving matrix, and the second driving matrix is formed according to the S alternative matrix of driving, Each alternative matrix of driving includes P submatrix, wherein P is less than or equal to N；

The channel quality of N number of antenna port is sent；

The data-signal of X antenna port is received, the X antenna port is formed by the first driving matrix, first driving By being formed according to the T alternative matrix of driving for driving alternative set of matrices to obtain, the alternative set of matrices of driving includes matrix The alternative matrix of the S driving, X are less than N, and above-mentioned X, T, S, P are natural number.

24. such as the method for claim 23, which is characterized in that

The antenna port be vertically to antenna port,

25. a kind of computer readable storage medium, which is characterized in that

The computer-readable recording medium storage has computer program, wherein the energy when computer program is executed by hardware Enough realize method described in claim 11 to 20 any one.