CN107231223A

CN107231223A - A kind of data processing method and device

Info

Publication number: CN107231223A
Application number: CN201610188517.7A
Authority: CN
Inventors: 李辉; 高秋彬; 陈润华; 塔玛拉卡·拉盖施; 陈文洪
Original assignee: China Academy of Telecommunications Technology CATT
Current assignee: China Academy of Telecommunications Technology CATT; Datang Mobile Communications Equipment Co Ltd
Priority date: 2016-03-24
Filing date: 2016-03-29
Publication date: 2017-10-03
Anticipated expiration: 2036-03-29
Also published as: CN107231223B

Abstract

The present invention provides a kind of data processing method and device, is related to communication technical field, the accurate delivery can ensure data when the aerial array of base station is fractal antenna array.The data processing method of the present invention includes：Sent a notification message to terminal, the information of first kind antenna element is carried in the notification message；The first kind antenna element includes the antenna element for being not used in data transfer；The aerial array also includes Equations of The Second Kind antenna element, and the Equations of The Second Kind antenna element includes the antenna element for data transfer；To the terminal pilot signal transmitted；The pre-coding matrix instruction for the first pre-coding matrix that the terminal is sent is received, is determined wherein the pre-coding matrix instruction is the terminal after channel estimation is carried out according to the pilot signal and the notification message；Second pre-coding matrix is determined according to the pre-coding matrix instruction, and precoding is carried out to data to be transmitted using the second pre-coding matrix.

Description

A kind of data processing method and device

Technical field

The present invention relates to communication technical field, more particularly to a kind of data processing method and device.

Background technology

In the multiaerial system based on linear predictive coding, when carrying out data transmission, terminal is believed according to channel Breath selects suitable pre-coding matrix from the code book of receiver side, then by the pre-coding matrix chosen at this The index of code book feeds back to base station.Wherein, code book is made up of multiple pre-coding matrixes.Then, base station according to The index received determines corresponding pre-coding matrix, and signal to be transmitted is carried out using the pre-coding matrix Appropriate pretreatment.

In LTE (Long Term Evolution, Long Term Evolution) system of Rel-10 versions, for base 8 antennas at end of standing introduce two-stage codebook.In Rel-12 versions, strengthen for 4 antennas of base station end For two-stage codebook.In Rel-13 versions, base station end employ FD MIMO (full-dimension MIMO, Full dimension MIMO) aerial array, antenna port increases to 16, and can be with one-dimensional or two-dimensional arrangements. For one-dimensional aerial array, every antenna is uniformly in line or a row.For two-dimensional antenna array, institute There is antenna evenly distributed rectangular or square.The evenly distributed aerial array of antenna is referred to as regular antenna Array.

But in actual scene, when some of aerial array antenna failure, the regular antenna of base station end Array will no longer satisfy regularly arranged.The aerial array of this form is referred to as fractal antenna array herein.

When using fractal antenna array, because terminal still can carry out channel estimation according to existing mode, So, the channel condition information (CSI) that terminal is sent to base station will be inaccurate.Therefore, base station root The pre-coding matrix and channel quality that are obtained according to the feedback of terminal indicate (CQI) be also it is inaccurate, So as to which the accurate delivery of data can not be ensured.

The content of the invention

In view of this, the present invention provides a kind of method for transmitting signals and device, can base station aerial array Ensure the accurate delivery of data during for fractal antenna array.

In order to solve the above technical problems, the present invention provides a kind of data processing method, including：

Sent a notification message to terminal, the first kind antenna element of aerial array is carried in the notification message Information；Wherein described first kind antenna element includes the antenna element for being not used in data transfer；The antenna Array also includes Equations of The Second Kind antenna element, and the Equations of The Second Kind antenna element includes the antenna list for data transfer Member；

To the terminal pilot signal transmitted；

The pre-coding matrix instruction for the first pre-coding matrix that the terminal is sent is received, wherein the precoding Matrix indicates it is that the terminal is true after channel estimation is carried out according to the pilot signal and the notification message Fixed；

Second pre-coding matrix is determined according to the pre-coding matrix instruction, and utilizes the second precoding square Battle array carries out precoding to data to be transmitted.

Wherein, it is described to be sent a notification message to terminal, the aerial array is carried in the notification message The information of first kind antenna element includes：

First kind antenna element and Equations of The Second Kind antenna element in the aerial array determine described first The corresponding first antenna port of class antenna element and corresponding second antenna port of the Equations of The Second Kind antenna element；

The information of the first kind antenna element of the aerial array is obtained, wherein the first kind of the aerial array The information of antenna element includes any combination of following information：The port-mark of the first antenna port；Institute State the line index of first antenna port corresponding pre-coding matrix in the code book of base station side first；Described second day The port-mark of line end mouthful；Second antenna port corresponding precoding in the code book of base station side first The line index of matrix；

High-level signaling is sent to the terminal, the first kind of the aerial array is carried in the high-level signaling The information of antenna element.

Wherein, it is described to include to the terminal pilot signal transmitted：

The emission power of pilot signal of the corresponding first antenna port of the first kind antenna element is set to Zero, the emission power of pilot signal of corresponding second antenna port of the Equations of The Second Kind antenna element is set to non- Zero；

It is utilized respectively the first antenna port and the second antenna port pilot signal transmitted.

Wherein, it is described to include to the terminal pilot signal transmitted：

The emission power of pilot signal of corresponding second antenna port of the Equations of The Second Kind antenna element is set to Non-zero；

Utilize the second antenna port pilot signal transmitted.

Wherein, it is described that second pre-coding matrix is determined according to the pre-coding matrix instruction, and utilize described the Two pre-coding matrixes carry out precoding to data to be transmitted to be included：

When the pre-coding matrix instruction is rope of first pre-coding matrix in the code book of end side second When drawing, the code book of base station side first is modified and the code book of base station side second is obtained；

Second pre-coding matrix is determined in the code book of base station side second according to the pre-coding matrix instruction, And precoding is carried out to data to be transmitted using second pre-coding matrix.

Wherein, it is described the code book of base station side first is modified and the code book of base station side second is obtained include：

In each pre-coding matrix included by the code book of base station side first, by the first kind antenna element Row deletion corresponding to corresponding first antenna port；

It regard the code book constituted by having carried out each pre-coding matrix after deletion action as the base station side second Code book.

When the pre-coding matrix instruction is rope of first pre-coding matrix in the code book of end side first When drawing, the second pre-coding matrix is determined in the code book of base station side first according to the pre-coding matrix instruction, and Precoding is carried out to data to be transmitted using second pre-coding matrix.

Second aspect, the present invention provides a kind of data processing method, including：

The notification message that base station is sent is received, the aerial array of the base station is included in the notification message The information of first kind antenna element；Wherein, the first kind antenna element of the aerial array includes being not used in number According to the antenna element of transmission, the aerial array also includes Equations of The Second Kind antenna element, the Equations of The Second Kind antenna list Member includes the antenna element for data transfer；

Receive the pilot signal that the base station is sent；

Channel estimation is carried out according to the pilot signal and the notification message, and it is true according to channel estimation results The pre-coding matrix instruction of fixed first pre-coding matrix；

The pre-coding matrix instruction is sent to the base station so that the base station utilizes the pre-coding matrix Indicate to determine the second pre-coding matrix and data to be transmitted is prelisted using second pre-coding matrix Code.

Wherein, it is described that channel estimation is carried out according to the pilot signal and the notification message, and according to channel Estimated result determines that the pre-coding matrix instruction of the first pre-coding matrix includes：

Corresponding second antenna port of the Equations of The Second Kind antenna element is determined according to the notification message, and according to The pilot signal that second antenna port is sent carries out channel estimation；

The code book of end side first is modified according to the notification message and the code book of end side second is obtained；

According to channel estimation results, the first pre-coding matrix is determined from the code book of end side second, and obtain Obtain the pre-coding matrix instruction of first pre-coding matrix.

Wherein, it is described that the code book of end side first is modified according to the notification message and end side is obtained Two code books include：

The notification message is parsed, the first kind day for the aerial array that the notification message includes is obtained The information of line unit；

When the information of the first kind antenna element of the aerial array is corresponding for the first kind antenna element The port-mark of first antenna port or the first antenna port are corresponding pre- in the code book of base station side first During the line index of encoder matrix, according to the port-mark of the first antenna port or the first antenna port The line index of corresponding pre-coding matrix in the code book of base station side first, the code book of end side first is wrapped The corresponding row in first antenna port described in each pre-coding matrix included is deleted；

When the information of the first kind antenna element of the aerial array is marked for the port of second antenna port Knowledge or the line index of second antenna port corresponding pre-coding matrix in the code book of base station side first When, according to the port-mark of second antenna port or second antenna port in the base station side first The line index of corresponding pre-coding matrix in code book, by each precoding included by the code book of end side first The corresponding row of second antenna port described in matrix retains, and remaining row is deleted；

It regard the code book constituted by having carried out each pre-coding matrix after deletion action as the end side second Code book.

Wherein, it is described to include to the base station transmission pre-coding matrix instruction：

Channel state feedback message is sent to the base station, is included in the channel state feedback message described Pre-coding matrix instruction.

Wherein, also include in the channel state feedback message：The order and/or channel of the code book of end side second Quality is instructed to indicate.

Wherein, the pre-coding matrix instruction of first pre-coding matrix is first pre-coding matrix at end The index of index or first pre-coding matrix in the code book of end side first in the code book of side second.

The third aspect, the present invention provides a kind of data processing equipment, including：

Message transmission module, for being sent a notification message to terminal, antenna array is carried in the notification message The information of the first kind antenna element of row；Wherein described first kind antenna element includes being not used in data transfer Antenna element；The aerial array also includes Equations of The Second Kind antenna element, and the Equations of The Second Kind antenna element includes using In the antenna element of data transfer；

Signal processing module, for the terminal pilot signal transmitted；

Information receiving module, the pre-coding matrix for receiving the first pre-coding matrix that the terminal is sent refers to Show, wherein the pre-coding matrix instruction is the terminal according to the pilot signal and the notification message Carry out what is determined after channel estimation；

Data processing module, for determining the second pre-coding matrix, and profit according to the pre-coding matrix instruction Precoding is carried out to data to be transmitted with second pre-coding matrix.

Wherein, the message transmission module includes：

Port determination sub-module, for the first kind antenna element in the aerial array and Equations of The Second Kind day Line unit determines the corresponding first antenna port of the first kind antenna element and the Equations of The Second Kind antenna element Corresponding second antenna port；

Acquisition of information submodule, the information of the first kind antenna element for obtaining the aerial array, wherein The information of the first kind antenna element of the aerial array includes any combination of following information：Described first day The port-mark of line end mouthful；The first antenna port corresponding pre-coding matrix in the code book of base station side first Line index；The port-mark of second antenna port；Second antenna port is in the base station side The line index of corresponding pre-coding matrix in one code book；

Sending submodule, for sending high-level signaling to the terminal, carries described in the high-level signaling The information of the first kind antenna element of aerial array.

Wherein, the signal processing module includes：

First sets submodule, for by the pilot tone of the corresponding first antenna port of the first kind antenna element Signal transmission power is set to zero, and the pilot tone of corresponding second antenna port of the Equations of The Second Kind antenna element is believed Number transmission power is set to non-zero；

First sending submodule, for being utilized respectively the first antenna port and second antenna port hair Send pilot signal.

Wherein, the signal processing module includes：

Second sets submodule, for by the pilot tone of corresponding second antenna port of the Equations of The Second Kind antenna element Signal transmission power is set to non-zero；

Second sending submodule, for utilizing the second antenna port pilot signal transmitted.

Wherein, the data processing module includes：

Code book change submodule, for when the pre-coding matrix instruction be first pre-coding matrix at end During index in the code book of side second, the code book of base station side first is modified and base station side second code is obtained This；

Precoding submodule, for according to the pre-coding matrix instruction in the code book of base station side second really Fixed second pre-coding matrix, and precoding is carried out to data to be transmitted using second pre-coding matrix.

Wherein, the code book modification submodule includes：

Unit is deleted, in each pre-coding matrix included by the code book of base station side first, by described in Row deletion corresponding to the corresponding first antenna port of first kind antenna element；

Generation unit, for regarding the code book constituted by having carried out each pre-coding matrix after deletion action as institute State the code book of base station side second.

Wherein, the data processing module specifically for：When the pre-coding matrix instruction is described first pre- During index of the encoder matrix in the code book of end side first, according to the pre-coding matrix instruction in base station side The second pre-coding matrix is determined in one code book, and data to be transmitted is carried out using second pre-coding matrix Precoding.

Fourth aspect, the present invention provides a kind of data processing equipment, including：

Message reception module, the notification message for receiving base station transmission, includes institute in the notification message State the information of the first kind antenna element of the aerial array of base station；Wherein, the first kind day of the aerial array Line unit includes the antenna element for being not used in data transfer, and the aerial array also includes Equations of The Second Kind antenna list Member, the Equations of The Second Kind antenna element includes the antenna element for data transfer；

Signal receiving module, for receiving the pilot signal that the base station is sent；

Channel estimation module, for carrying out channel estimation according to the pilot signal and the notification message, and The pre-coding matrix instruction of the first pre-coding matrix is determined according to channel estimation results；

Information sending module, for sending the pre-coding matrix instruction to the base station so that the base station The second pre-coding matrix is determined using the pre-coding matrix instruction and utilizes second pre-coding matrix pair Data to be transmitted carries out precoding.

Wherein, the channel estimation module includes：

Channel estimation submodule, for determining that the Equations of The Second Kind antenna element is corresponding according to the notification message Second antenna port, and the pilot signal sent according to second antenna port carries out channel estimation；

Code book handles submodule, for the code book of end side first to be modified and obtained according to the notification message Obtain the code book of end side second；

Acquisition of information submodule, for according to channel estimation results, being determined from the code book of end side second First pre-coding matrix, and obtain the pre-coding matrix instruction of first pre-coding matrix.

Wherein, the code book processing submodule includes：

Resolution unit, for parsing the notification message, obtains the antenna that the notification message includes The information of the first kind antenna element of array；

First code book changes unit, and the information for the first kind antenna element when the aerial array is described The port-mark of the corresponding first antenna port of first kind antenna element or the first antenna port are in base station In the code book of side first during the line index of corresponding pre-coding matrix, marked according to the port of the first antenna port Knowledge or the line index of the first antenna port corresponding pre-coding matrix in the code book of base station side first, by institute The corresponding row in first antenna port described in each pre-coding matrix included by the code book of end side first is stated to delete；

Second code book amendment member, the information for the first kind antenna element when the aerial array is described The port-mark of second antenna port or second antenna port correspondence in the code book of base station side first Pre-coding matrix line index when, according to the port-mark of second antenna port or second antenna The line index of port corresponding pre-coding matrix in the code book of base station side first, by the end side first The corresponding row of second antenna port described in each pre-coding matrix included by code book retains, and remaining row is deleted；

Generation unit, for regarding the code book constituted by having carried out each pre-coding matrix after deletion action as institute State the code book of end side second.

Wherein, described information sending module specifically for：Channel state feedback message is sent to the base station, Include the pre-coding matrix instruction in the channel state feedback message.

The above-mentioned technical proposal of the present invention has the beneficial effect that：

In embodiments of the present invention, the antenna element of data transfer is not used in when existing in the aerial array of base station The first kind antenna element when, base station, can also be by aerial array in addition to terminal pilot signal transmitted The information of one class antenna element is sent to terminal.Thus, terminal according to pilot signal when carrying out channel estimation It is contemplated that the situation of first kind antenna element in aerial array and can be fitted according to channel estimation results Pre-coding matrix instruction for the first pre-coding matrix of the aerial array concrete condition.So, base station exists After the pre-coding matrix instruction that have received first pre-coding matrix, you can according to the pre- of the first pre-coding matrix Encoder matrix indicates accurately to obtain the second pre-coding matrix for carrying out data to be transmitted precoding.Cause And, as seen from the above, using the scheme of the embodiment of the present invention when aerial array is fractal antenna array, Base station also can accurately obtain corresponding with the aerial array situation to data to be transmitted progress precoding Pre-coding matrix, so as to ensure that the accuracy of data transfer.

Brief description of the drawings

Fig. 1 is the flow chart of the data processing method of the embodiment of the present invention one；

Fig. 2 is the flow chart of the data processing method of the embodiment of the present invention two；

Fig. 3 is the aerial array schematic diagram of base station side in the embodiment of the present invention three；

Fig. 4 is the flow chart of the data processing method of the embodiment of the present invention three；

Fig. 5 is the schematic diagram of the data processing equipment of the embodiment of the present invention four；

Fig. 6 is the schematic diagram of the data processing equipment of the embodiment of the present invention five.

Embodiment

Below in conjunction with drawings and examples, the embodiment to the present invention is described in further detail. Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.

As shown in figure 1, the data processing method of the embodiment of the present invention one, is performed by base station, including：

Step 11, send a notification message to terminal, the first of aerial array is carried in the notification message The information of class antenna element.

Wherein, aerial array includes regular aerial array and fractal antenna array.The embodiment of the present invention is main A kind of data processing method proposed when being and being directed to base station end using fractal antenna array.In concrete application In, the aerial array that may have many reasons to cause base station end to use is fractal antenna array.

The first situation：Fractal antenna array is due to that working condition is there are in aerial array to be abnormal What antenna element was caused.Working condition in fractal antenna array is referred to as mistake for abnormal antenna element at this Antenna element is imitated, is that normal antenna element is referred to as effective antenna element by working condition.

In this case, base station can be detected to the working condition of each antenna element in aerial array comes true Determine in aerial array with the presence or absence of failure antenna element.These failure antenna elements are to be not used in data transfer 's.In embodiments of the present invention, the data transfer refers to the transmission of user data.

Second of situation：The irregular aerial array of base station end is not due to the presence of failure antenna in aerial array What unit was caused, and be due to that aerial array has directly been manufactured into irregular aerial array by manufacturer.

In LTE system, base station side and user side all preserve identical code book respectively.Of the invention real Apply in example, the code book that base station side is preserved is referred to as base station side code book, the code book that end side is preserved referred to as terminal Side code book.And due to the modification to code book will be related in embodiments of the present invention, so base station side is repaiied Code book before changing is referred to as the code book of base station side first, and amended code book is referred to as the code book of base station side second；By terminal Code book before the modification of side is referred to as the code book of end side first, and amended code book is referred to as the code book of end side second.

In this case, the code book of base station side first and the code book of end side first are all based on regular aerial array Obtained code book.This regular aerial array can be the aerial array corresponding to defined code book in standard, The code book of base station side first and the code book of end side first are defined code book in standard.Or this regular antenna Array is the aerial array corresponding to newly-designed code book, and the code book of base station side first and the code book of end side first are For newly-designed code book.Now, base station can supplement into irregular aerial array regular aerial array (this rule Then aerial array is corresponding with the code book of base station side first).Certainly, supplement in this is not truly Supplement, but a virtual concept.That is, causing the aerial array of base station to exist by this supplement It is regular aerial array corresponding with the code book of base station side first in form.Here, the antenna list that base station is supplemented Member is referred to as patch antenna unit, and these patch antenna units are without in data transfer.

Based on both the above situation, in embodiments of the present invention, by the failure antenna element in the first situation First kind antenna element is referred to as with the patch antenna unit in second of situation, and will be true in aerial array The effective antenna element just existed is referred to as Equations of The Second Kind antenna element.Wherein described first kind antenna element is not used in Data transfer；Equations of The Second Kind antenna element can be used for data transfer.

By detection, first kind antenna element and Equations of The Second Kind antenna list that base station can be in the aerial array Member determines that the corresponding first antenna port of the first kind antenna element is corresponding with the Equations of The Second Kind antenna element The second antenna port.In actual applications, first kind antenna element or Equations of The Second Kind antenna element can be Zero, one or more, first antenna port or the second antenna port can also have a zero, one or It is multiple.

In this embodiment, the notification message can be realized using high-level signaling.Base station sends high to terminal Layer signaling, carries the information of the first kind antenna element of the aerial array in this high-level signaling.As for adopting The information is carried in present invention implementation with what type of high-level signaling or in which field of high-level signaling Any restriction is not done in example.

In this embodiment, the information of the first kind antenna element of the aerial array can include first antenna The information of port, information either including the second antenna port or both includes the information of first antenna port Also the information of the second antenna port is included.

Wherein, the information of the first antenna port can be the port-mark of first antenna port, Huo Zheke To be first antenna port line index of corresponding pre-coding matrix etc. in the code book of base station side first, or Person can also be both combinations.The information of second antenna port can be second antenna port Port-mark, or can also be that second antenna port is corresponding pre- in the code book of base station side first The line index of encoder matrix, or can also be both combinations.

Certainly, other information are also can use in actual applications as first antenna port or the second antenna end The information of mouth, it is numerous to list herein.

Step 12, to the terminal pilot signal transmitted.

Base station can configure zero transmission power pilot tone and non-zero transmission power pilot tone.In embodiments of the present invention, base Pilot frequency configuration can be carried out using following two modes by standing.

Mode one, in this fashion, can be by the corresponding first antenna of first kind antenna element in aerial array The pilot signal that port is sent is configured to zero transmission power, and Equations of The Second Kind antenna element in aerial array is corresponding The pilot signal that second antenna port is sent is configured to non-zero transmission power.To terminal pilot signal transmitted When, it is utilized respectively first antenna port and the second antenna port pilot signal transmitted.

In this fashion, because first antenna port needs to send the pilot signal of zero transmission power, therefore The position of RE (Resource Element, resource particle) corresponding to the pilot tone of first antenna port can not Transmission for PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel).

Mode two, from unlike mode one, in this mode two, only to second antenna port configure Non-zero transmission power pilot tone, without configuring pilot tone to first antenna port.That is, in the manner, only will The emission power of pilot signal of second antenna port is set to non-zero.So, when launching pilot signal, only It is to utilize the second antenna port pilot signal transmitted.

In this fashion, first antenna port not pilot signal transmitted, is not take up RE (Resource Element, resource particle) position.Thus, compared with mode one, employing mode two can be further Improve data transmission capacity.

Wherein, the pilot signal includes but is not limited to CSI-RS (channel condition information measurement pilot tone) letters Number.

Step 13, the pre-coding matrix instruction for receiving the first pre-coding matrix that the terminal is sent, wherein The pre-coding matrix instruction is that the terminal is believed according to the pilot signal and the notification message Determined after road estimation.

In end side, due to there is first kind antenna element in the aerial array of base station, therefore terminal needs The code book of end side first is modified after carrying out channel estimation according to pilot signal, to cause amended end The code book of side second is adapted to the aerial array that there is first kind antenna element.So, first precoding Matrix is that terminal is selected after channel estimation is carried out from the code book of end side second.It is pre- have selected first After encoder matrix, you can determine the corresponding pre-coding matrix instruction of the first pre-coding matrix (Pre-coding Matrix Indicator, PMI).

Step 14, determine the second pre-coding matrix according to the pre-coding matrix instruction, and utilize described the Two pre-coding matrixes carry out precoding to data to be transmitted.

In embodiments of the present invention, due to the pre-coding matrix instruction be in the code book of end side second it is first pre- Corresponding to encoder matrix, then, in this embodiment, the pre-coding matrix instruction can be described Index of one pre-coding matrix in the code book of end side second, can also be first pre-coding matrix at end Index in the code book of side first.As for the pre-coding matrix instruction for using which kind of form in actual applications, Can in advance it be appointed by base station and terminal, namely pre-configured terminal is sent after channel estimation in systems The pre-coding matrix instruction of which kind of form.Certainly, if base station and terminal are not arranged in advance, then The concrete form for the pre-coding matrix instruction that can be also used it by terminal notifies base station.

Content according to representated by the pre-coding matrix instruction is different, in this embodiment, and base station determines the The method of two pre-coding matrixes is different.

The first situation, the pre-coding matrix instruction are first pre-coding matrix in end side second code Index in this.

When the pre-coding matrix instruction is rope of first pre-coding matrix in the code book of end side second When drawing, base station needs to modify to the code book of base station side first and obtain the code book of base station side second, then basis The pre-coding matrix instruction determines the second pre-coding matrix in the code book of base station side second, and utilizes institute State the second pre-coding matrix and precoding is carried out to data to be transmitted.

Specifically, when base station is modified to the code book of base station side first and obtains the second code book of base station side, be In each pre-coding matrix included by the code book of base station side first, by first kind antenna in the aerial array Row deletion corresponding to the corresponding first antenna port of unit, then will be each pre- after deletion action by having carried out The code book that encoder matrix is constituted is used as the code book of base station side second.Then, according to the first precoding square Index of the battle array in the code book of end side second determines corresponding second pre-coding matrix.

Second situation, the pre-coding matrix instruction are first pre-coding matrix first yard of end side Index in this.

When the pre-coding matrix instruction is rope of first pre-coding matrix in the code book of end side first When drawing, base station directly can determine that second prelists according to the pre-coding matrix instruction in the code book of base station side first Code matrix.

As seen from the above, in embodiments of the present invention, when in aerial array exist be not used in data transfer During the first kind antenna element of antenna element, base station, can also be by antenna in addition to terminal pilot signal transmitted The information of first kind antenna element is sent to terminal in array.Thus, terminal is believed according to pilot signal Road is contemplated that the situation of the first kind antenna element in aerial array and can be according to channel estimation knot when estimating Fruit obtains the pre-coding matrix instruction of the first pre-coding matrix suitable for the aerial array concrete condition.That , base station is after it have received the pre-coding matrix instruction of first pre-coding matrix, you can prelisted according to first The pre-coding matrix instruction of code matrix accurately obtains pre- for second to data to be transmitted progress precoding Encoder matrix.

Thus, using the scheme of the embodiment of the present invention when aerial array is fractal antenna array, base station Can accurately obtain it is corresponding with the aerial array situation to data to be transmitted carry out precoding prelist Code matrix, so as to ensure that the accuracy of data transfer.

As shown in Fig. 2 the data processing method of the embodiment of the present invention two, is performed by terminal, including：

Step 21, the notification message for receiving base station transmission, include the base station in the notification message The information of the first kind antenna element of aerial array.

Wherein, the first kind antenna element of the aerial array includes the antenna element for being not used in data transfer, Equations of The Second Kind antenna element in the aerial array includes the antenna element for data transfer.

As described in embodiment one, the notification message can be realized using high-level signaling.Base station is sent to terminal High-level signaling, carries the information of first kind antenna element in this high-level signaling.In this embodiment, it is described The information of the first kind antenna element of aerial array can include the information of first antenna port, can also include The information of second antenna port, can also information and second antenna port including first antenna port simultaneously Information.

Step 22, the pilot signal for receiving the base station transmission.

Different to the pilot frequency configuration of antenna port according to base station, terminal can receive different type sum purpose antenna The pilot signal that port is sent.If base station all sends pilot tone using first antenna port and the second antenna port Signal, then be the pilot signal for receiving first antenna port and the transmission of the second antenna port in this terminal.Such as Fruit base station utilize the second antenna port pilot signal transmitted, then this terminal be receive the second antenna port hair The pilot signal sent.

Step 23, channel estimation carried out according to the pilot signal and the notification message, and according to channel Estimated result determines the pre-coding matrix instruction of the first pre-coding matrix.

In the manner, terminal determines Equations of The Second Kind antenna element in the aerial array according to the notification message Corresponding second antenna port, and channel estimation is carried out according to the pilot signal of second antenna port.Its The process of middle channel estimation can be realized using the channel estimation methods of prior art.Then, terminal is according to described Notification message is modified to the code book of end side first and obtains the code book of end side second.

Specifically, when changing the first code book of end side, terminal can modify in accordance with the following steps.

Step 231, the parsing notification message, obtain the aerial array that the notification message includes First kind antenna element information.

Step 232, the code book of end side first is handled.

Because the information of the first kind antenna element of the aerial array can be realized using different forms, therefore Terminal needs to carry out the code book of end side first for various forms of information different processing.Specially：

Step 232a, when the aerial array first kind antenna element information be the first kind antenna The port-mark of the corresponding first antenna port of unit or the first antenna port are in the code book of base station side first In corresponding pre-coding matrix line index when, port-mark or institute of the terminal according to the first antenna port The line index of first antenna port corresponding pre-coding matrix in the code book of base station side first is stated, by the terminal The corresponding row in first antenna port described in each pre-coding matrix included by the code book of side first is deleted.

Step 232b, when the aerial array first kind antenna element information be the aerial array in The port-mark or second antenna port of corresponding second antenna port of Equations of The Second Kind antenna element are described In the code book of base station side first during the line index of corresponding pre-coding matrix, terminal is according to second antenna port Port-mark or second the antenna port corresponding pre-coding matrix in the code book of base station side first Line index, by the second antenna port described in each pre-coding matrix included by the code book of end side first Corresponding row retains, and remaining row is deleted.

Step 233, it regard the code book constituted by having carried out each pre-coding matrix after deletion action as the end The code book of side second.

Step 24, to the base station send the pre-coding matrix instruction so that the base station is using described Pre-coding matrix instruction determines the second pre-coding matrix and using second pre-coding matrix to number to be transmitted According to progress precoding.

After the second code book of end side is determined, terminal can be according to the result of channel estimation from end side second code The first pre-coding matrix is determined in this, and thereby determines that the pre-coding matrix instruction of the first pre-coding matrix.Tool Body, terminal can be selected according to the maximized principle of channel quality indicator (CQI) from the code book of end side second Go out the first pre-coding matrix.Then, terminal can send channel state feedback message (Channel to the base station State Information, CSI), include the pre-coding matrix instruction in the channel state feedback message.

Wherein, the pre-coding matrix instruction of first pre-coding matrix is first pre-coding matrix at end The index of index or first pre-coding matrix in the code book of end side first in the code book of side second.Extremely The pre-coding matrix instruction of which kind of form is specifically sent in the terminal, can be by terminal and base station according to prior Agreement determine, or can also by terminal send pre-coding matrix instruction while or before or after, To terminal send a notification message, with using the notification message tell base station it have sent the pre- of which kind of form Encoder matrix is indicated.

In addition, terminal can also by the order (RI) of the first pre-coding matrix, can using first pre-coding matrix Terminal is sent to any one in obtained CQI or two information.

In embodiments of the present invention, when there is the antenna element for being not used in data transfer in aerial array first During class antenna element, base station, can also be by the first kind day in aerial array in addition to terminal pilot signal transmitted The information of line unit is sent to terminal.Thus, terminal is contemplated that when carrying out channel estimation according to pilot signal The situation of first kind antenna element into aerial array can be simultaneously obtained suitable for being somebody's turn to do according to channel estimation results The pre-coding matrix instruction of first pre-coding matrix of aerial array concrete condition.So, base station have received After the pre-coding matrix instruction of first pre-coding matrix, you can according to the precoding square of the first pre-coding matrix Battle array indicates accurately to obtain the second pre-coding matrix for carrying out data to be transmitted precoding.Thus, by It is upper to can be seen that the scheme using the embodiment of the present invention when aerial array is fractal antenna array, base station Also it can accurately obtain corresponding with the aerial array situation to the pre- of data to be transmitted progress precoding Encoder matrix, so as to ensure that the accuracy of data transfer.

Hereinafter, with reference to the realization for implementing three data processing methods for describing in detail the embodiment of the present invention Journey.

After testing, there is first kind antenna element in the aerial array of base station end, wherein Fig. 3 shows base station Hold the schematic diagram of the fractal antenna array used.Antenna element in figure in the A of region is the of base station end Two class antenna elements, define its quantity for M；Other antenna elements are the first kind antenna element of base station end, Its quantity is defined for Q.Wherein the summation of first kind antenna element and Equations of The Second Kind antenna element is N, i.e., N=M+Q.Here, M, N, Q are natural number.

In this embodiment, it is W to define some pre-coding matrix in N antenna port code books, is represented For：

Wherein, W is N × r matrix, and r represents the fluxion of data transfer, i.e. pre-coding matrix W Order RI value.Every a line in above-mentioned pre-coding matrix is acted on corresponding antenna element as weights, That is the i-th row v of W_i,1,v_i,2,…,v_i,rAct on i-th of antenna element of aerial array.If aerial array is double Polarized antenna arrays, then preceding N/2 rows are corresponding to the antenna element of first polarised direction, rear N/2 rows correspondence In the antenna element of second polarised direction.

As shown in figure 4, the data processing method of the embodiment of the present invention three includes：

Step 41, base station carry out pilot frequency configuration using following either type to antenna port.

Mode one, configuration N-port pilot tone and N-port code book.

Here, the pilot signal power that the corresponding Q antenna port of first kind antenna element is sent is configured It is zero, the pilot signal power that the corresponding M antenna port of Equations of The Second Kind antenna element is sent is configured to non- Zero.Now the RE positions where Q zero transmission power pilot tones cannot be used for PDSCH transmission.

Mode two, configuration M port pilot tone and N-port code book.

Here, the pilot power of the corresponding M antenna port transmission of Equations of The Second Kind antenna element is configured to non- Zero, without carrying out pilot frequency configuration to the corresponding Q antenna port of first kind antenna element.

Step 42, base station are according to configuration result to terminal pilot signal transmitted.

Corresponding to above-mentioned mode one, base station utilizes N number of antenna port pilot signal transmitted；Corresponding to upper The mode two stated, base station utilizes M antenna port pilot signal transmitted.

Step 43, base station send a notification message to the terminal.

Corresponding to both the above mode, above-mentioned Q antenna end can be carried in an announcement message in this step Mouthful corresponding mark, or the above-mentioned Q antenna port of carrying is corresponding in the code book of base station side first prelists The line index of code matrix, or both are carried simultaneously.Or, can be logical at this corresponding to both the above mode Know and the corresponding mark of above-mentioned M antenna port is carried in message, or carry above-mentioned M antenna port and exist The line index of corresponding pre-coding matrix in the code book of base station side first, or both are carried simultaneously.Or, it is right It in both the above mode, should both carry the information of Q antenna port or carry the information of M antenna port.

Wherein step 42 and 43 execution has no precedence relationship.

Step 44, terminal carry out channel estimation according to pilot signal and notification message.

Step 45, terminal change the code book of end side first according to notification message, obtain the code book of end side second.

In the present embodiment, in any one pre-coding matrix of the code book of end side first, terminal will be with Q Row corresponding to the antenna port of individual zero transmission power is deleted from pre-coding matrix, is obtained with utilizing non-zero hair Penetrate the pre-coding matrix W ' that the channel measured by power pilot matches.Wherein, W ' is M × r square Battle array.W ' set constitutes the code book of end side second.The size of this code book of end side second is likely less than N-terminal The size of mouth code book.

For example, it is assumed that base station end uses dual-polarized antenna array, the antenna for the Q failure that base station is informed is located at Last column of aerial array, then have：

Step 46, terminal determine that first is pre- according to channel estimation results from the code book of end side second Encoder matrix, and obtain the pre-coding matrix instruction of first pre-coding matrix.

Step 47, terminal send the pre-coding matrix instruction to the base station.

Step 48, base station determine the second pre-coding matrix according to the pre-coding matrix instruction, and utilize institute State the second pre-coding matrix and precoding is carried out to data to be transmitted.

Content according to representated by the pre-coding matrix instruction is different, and in this embodiment, base station can have two Plant different modes and determine the second pre-coding matrix.

When the pre-coding matrix instruction is rope of first pre-coding matrix in the code book of end side second When drawing, base station is modified to the code book of base station side first and obtains the code book of base station side second, then according to described Pre-coding matrix instruction determines the second pre-coding matrix in the code book of base station side second, and utilizes described the Two pre-coding matrixes carry out precoding to data to be transmitted.

Specifically, when base station is modified to the code book of base station side first and obtains the second code book of base station side, be In each pre-coding matrix included by the code book of base station side first, by first kind antenna in the aerial array Row deletion corresponding to the corresponding first antenna port of unit, then will be each pre- after deletion action by having carried out The code book that encoder matrix is constituted is used as the code book of base station side second.

As seen from the above, it is fractal antenna array in aerial array using the scheme of the embodiment of the present invention When, base station also can accurately obtain with this that aerial array situation is corresponding that data to be transmitted is prelisted The pre-coding matrix of code, so as to ensure that the accuracy of data transfer.

As shown in figure 5, the embodiment of the present invention four provides a kind of data processing equipment, including：

Message transmission module 51, for being sent a notification message to terminal, day is carried in the notification message The information of the first kind antenna element of linear array；Wherein described first kind antenna element includes being not used in data biography Defeated antenna element；The aerial array also includes Equations of The Second Kind antenna element, the Equations of The Second Kind antenna element bag Include the antenna element for data transfer；

Signal processing module 52, for the terminal pilot signal transmitted；

Information receiving module 53, the precoding square for receiving the first pre-coding matrix that the terminal is sent Battle array is indicated, wherein the pre-coding matrix instruction is the terminal according to the pilot signal and the notice Message carries out what is determined after channel estimation；

Data processing module 54, for determining the second pre-coding matrix according to the pre-coding matrix instruction, And precoding is carried out to data to be transmitted using second pre-coding matrix.

Wherein, the message transmission module 51 may include：

Wherein, the signal processing module 52 can use different structures.For example, the signal transacting mould Block 52 may include：First sets submodule, for by the corresponding first antenna of the first kind antenna element The emission power of pilot signal of port is set to zero, by corresponding second antenna end of the Equations of The Second Kind antenna element The emission power of pilot signal of mouth is set to non-zero；First sending submodule, for being utilized respectively described first Antenna port and the second antenna port pilot signal transmitted.Or, the signal processing module 52 is also It may include：Second sets submodule, for by corresponding second antenna port of the Equations of The Second Kind antenna element Emission power of pilot signal is set to non-zero；Second sending submodule, for utilizing second antenna port Pilot signal transmitted.

Wherein, the data processing module 54 includes：Code book changes submodule, for when the precoding When matrix is designated as index of first pre-coding matrix in the code book of end side second, to base station side first Code book is modified and obtains the code book of base station side second；Precoding submodule, for according to the precoding square Battle array indicates to determine the second pre-coding matrix in the code book of base station side second, and utilizes second precoding Matrix carries out precoding to data to be transmitted.

Specifically, the code book modification submodule includes：Unit is deleted, in first yard of the base station side It is in each pre-coding matrix included by this, the corresponding first antenna port institute of the first kind antenna element is right The row deletion answered；Generation unit, for by by having carried out the code that each pre-coding matrix after deletion action is constituted This is used as the code book of base station side second.

In a particular application, the data processing module 54 specifically for：When the pre-coding matrix instruction During the index for being first pre-coding matrix in the code book of end side first, referred to according to the pre-coding matrix Show and the second pre-coding matrix is determined in the code book of base station side first, and treated using second pre-coding matrix Transmit data and carry out precoding.

The operation principle of device of the present invention can refer to the description of preceding method embodiment, and described device can In base station.

As shown in fig. 6, the embodiment of the present invention five provides a kind of data processing equipment, including：

Message reception module 61, the notification message for receiving base station transmission, is wrapped in the notification message Include the information of the first kind antenna element of the aerial array of the base station；Wherein, the first of the aerial array Class antenna element includes the antenna element for being not used in data transfer, and the aerial array also includes Equations of The Second Kind antenna Unit, the Equations of The Second Kind antenna element includes the antenna element for data transfer；

Signal receiving module 62, for receiving the pilot signal that the base station is sent；

Channel estimation module 63, for carrying out channel estimation according to the pilot signal and the notification message, And the pre-coding matrix instruction of the first pre-coding matrix is determined according to channel estimation results；

Information sending module 64, for sending the pre-coding matrix instruction to the base station so that described Base station determines the second pre-coding matrix using the pre-coding matrix instruction and utilizes the second precoding square Battle array carries out precoding to data to be transmitted.

Wherein, the channel estimation module 63 includes：Channel estimation submodule, for being notified according to described Message determines corresponding second antenna port of the Equations of The Second Kind antenna element, and according to second antenna port The pilot signal of transmission carries out channel estimation；Code book handle submodule, for according to the notification message to end The code book of side first is modified and obtains the code book of end side second；Acquisition of information submodule, for according to letter Road estimated result, determines the first pre-coding matrix, and obtain described first from the code book of end side second The pre-coding matrix instruction of pre-coding matrix.

Specifically, the code book processing submodule may include：

Wherein, described information sending module 64 specifically for：Channel state feedback is sent to the base station to disappear Breath, includes the pre-coding matrix instruction in the channel state feedback message.

The operation principle of device of the present invention can refer to the description of preceding method embodiment, and described device can In terminal.

Embodiments of the invention six provide a kind of data processing equipment, including：Processor；And pass through bus The memory that interface is connected with the processor, the memory is performing behaviour for storing the processor Used program and data when making, when processor call and perform the program that is stored in the memory and During data, including realize following functional module or unit：

Message transmission module, for being sent a notification message to terminal, antenna array is carried in the notification message The information of the first kind antenna element of row；Wherein described first kind antenna element includes being not used in data transfer Antenna element；The aerial array also includes Equations of The Second Kind antenna element, and the Equations of The Second Kind antenna element includes using In the antenna element of data transfer

Signal processing module, for the terminal pilot signal transmitted；

Embodiments of the invention seven provide a kind of data processing equipment, including：Processor；And pass through bus The memory that interface is connected with the processor, the memory is performing behaviour for storing the processor Used program and data when making, when processor call and perform the program that is stored in the memory and During data, including realize following functional module or unit：

It should be noted that the device that the six, the seven embodiments of the invention are provided is can to correspond to realize above-mentioned side The device for the paging method based on network burst that method embodiment is provided, therefore the base that above method embodiment is provided In network burst paging method all embodiments can to should apply to the six, the 7th embodiments, and Same or analogous beneficial effect can be reached.

It should be noted that the device that the six, the seven embodiments of the invention are provided is can to correspond to realize above-mentioned side Method embodiment provide data processing method device, therefore above method embodiment provide based on data processing All embodiments of method can be to should apply to the six, the 7th embodiments, and can reach identical or phase As beneficial effect.

, can be with several embodiments provided herein, it should be understood that disclosed method and apparatus Realize by another way.For example, device embodiment described above is only schematical, for example, The division of the unit, only a kind of division of logic function, can there is other division side when actually realizing Formula, such as multiple units or component can combine or be desirably integrated into another system, or some features can To ignore, or do not perform.It is another, shown or discussed coupling or direct-coupling or logical each other Letter connection can be by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be it is electrical, Machinery or other forms.

In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, Can also be that the independent physics of unit includes, can also two or more units be integrated in a unit In.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds software function The form of unit is realized.

The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in a computer can Read in storage medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used To cause a computer equipment (can be personal computer, server, or network equipment etc.) to perform The part steps of receiving/transmission method described in each embodiment of the invention.And foregoing storage medium includes：USB flash disk, Mobile hard disk, read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various can be with storage program The medium of code.

Described above is the preferred embodiment of the present invention, it is noted that for the common skill of the art For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, These improvements and modifications also should be regarded as protection scope of the present invention.

Claims

1. a kind of data processing method, it is characterised in that including：

To the terminal pilot signal transmitted；

2. according to the method described in claim 1, it is characterised in that described to be sent a notification message to terminal, The information of the first kind antenna element of the aerial array is carried in the notification message to be included：

3. according to the method described in claim 1, it is characterised in that described to send pilot tone to the terminal Signal includes：

4. according to the method described in claim 1, it is characterised in that described to send pilot tone to the terminal Signal includes：

Utilize the second antenna port pilot signal transmitted.

5. according to any described methods of claim 1-4, it is characterised in that prelisted described in the basis Code matrix indicates to determine the second pre-coding matrix, and data to be transmitted is entered using second pre-coding matrix Row precoding includes：

6. method according to claim 5, it is characterised in that described to enter to the code book of base station side first Row, which is changed and obtains the code book of base station side second, to be included：

7. according to any described methods of claim 1-4, it is characterised in that prelisted described in the basis Code matrix indicates to determine the second pre-coding matrix, and data to be transmitted is entered using second pre-coding matrix Row precoding includes：

8. a kind of data processing method, it is characterised in that including：

Receive the pilot signal that the base station is sent；

9. method according to claim 8, it is characterised in that it is described according to the pilot signal and The notification message carries out channel estimation, and determines prelisting for the first pre-coding matrix according to channel estimation results Code matrix indicates to include：

10. method according to claim 9, it is characterised in that described according to the notification message pair The code book of end side first, which is modified and obtains the code book of end side second, to be included：

11. method according to claim 8, it is characterised in that described to send described to the base station Pre-coding matrix instruction includes：

12. method according to claim 11, it is characterised in that the channel state feedback message In also include：The order and/or channel instruction quality of the code book of end side second are indicated.

13. according to any described methods of claim 8-12, it is characterised in that first precoding The pre-coding matrix instruction of matrix be index of first pre-coding matrix in the code book of end side second or Index of first pre-coding matrix in the code book of end side first.

14. a kind of data processing equipment, it is characterised in that including：

Signal processing module, for the terminal pilot signal transmitted；

15. device according to claim 14, it is characterised in that the message transmission module includes：

16. device according to claim 14, it is characterised in that the signal processing module includes：

17. device according to claim 14, it is characterised in that the signal processing module includes：

18. according to any described devices of claim 14-17, it is characterised in that the data processing mould Block includes：

19. device according to claim 18, it is characterised in that the code book changes submodule bag Include：

20. according to any described devices of claim 14-17, it is characterised in that the data processing mould Block specifically for：When the pre-coding matrix instruction be first pre-coding matrix in the code book of end side first In index when, the second precoding square is determined in the code book of base station side first according to the pre-coding matrix instruction Battle array, and precoding is carried out to data to be transmitted using second pre-coding matrix.

21. a kind of data processing equipment, it is characterised in that including：

22. device according to claim 21, it is characterised in that the channel estimation module includes：

23. device according to claim 22, it is characterised in that the code book handles submodule bag Include：

24. according to any described devices of claim 21-23, it is characterised in that described information sends mould Block specifically for：Channel state feedback message is sent to the base station, in the channel state feedback message Including the pre-coding matrix instruction.