CN104753573B

CN104753573B - A kind of method for realizing space division multiplexing, system, base station and terminal

Info

Publication number: CN104753573B
Application number: CN201310749784.3A
Authority: CN
Inventors: 鲁照华; 陈艺戬; 郭森宝; 郁光辉
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2013-12-31
Filing date: 2013-12-31
Publication date: 2018-05-01
Anticipated expiration: 2033-12-31
Also published as: WO2015100939A1; CN104753573A

Abstract

This application discloses a kind of method for realizing space division multiplexing, system, base station and terminal, including：Base station sends the pilot signal of first kind antenna sets to terminal according to the first sending cycle；The channel state feedback information of the pilot signal of the reception first kind antenna sets sent based on terminal；Generate the pilot signal of the second class antenna sets；It is less than the second sending cycle of the first sending cycle according to the cycle, sends the pilot signal of the second class antenna sets to terminal.The present invention is less than the first sending cycle by using the second sending cycle, carries out the transmission of pilot signal, realizes the pilot-frequency expense for reducing space division multiplexing.By virtual method, the implementation complexity of system is reduced.

Description

A kind of method for realizing space division multiplexing, system, base station and terminal

Technical field

The present invention relates to moving communicating field, the espespecially a kind of method for realizing space division multiplexing, system, base station and terminal.

Background technology

With the continuous development of mobile communication terminal, the data application business for promoting wireless communication is also continuously increased, all Such as cloud computing, video calling, multimedia are shared, the development and application of social activity application, make cordless communication network user that big rule be presented Mould increases, and wireless data service realizes explosive growth in a short time.According to Research statistics, in coming 10 years, no line number 500~1000 times of growth space is still had according to business, this capacity to wireless communication system proposes very high requirement.

The method of progress wireless network capacitance lifting is currently used to be had：（1）Increase spectral bandwidth；（2）Reinforcement business point Stream；（3）Improve network density；（4）Lift spectrum efficiency.In these methods, the lifting spectrum efficiency based on multi-antenna technology Method obtains very more concerns.

Multiinputoutput of the multi-antenna technology from sole user end（SU-MIMO）Evolve to the Multiinputoutput at multi-user end （MU-MIMO）, developing deeply is cooperative multipoint transmission technology（CoMP）, thinking of development is from the stability and peak value for improving single-link Flow is to raising system entirety flow.But the resource overhead that CoMP is brought due to measurement channel, data interaction etc., Yi Jiduo Imbalance of path power etc., performance is unsatisfactory in practical applications, is extremely difficult to expected effect.

Under this background, based on large-scale antenna array（LSAS）Or extensive MIMO（Massive MIMO）'s The communication technology is suggested, it is the extension and extension of MIMO technology, its essential characteristic is exactly large number of in base station side configuration Aerial array（From tens to thousands of）, utilize space division multiple access（SDMA）Principle, while serve multiple users.Due to extensive The vast array gain and interference mitigation gains that aerial array is brought so that the frequency spectrum of the total spectrum efficiency of cell and edge customer Efficiency has obtained great lifting.

Although large-scale antenna array system causes the spectrum efficiency of cell and the spectrum efficiency of edge customer to obtain pole Big lifting, however, in practical application, but there are pilot-frequency expense it is big the problem of.In tdd systems, due to uplink and downlink Link is there are heterogeneite, and the pilot signal that can be sent by base station estimates channel, so not being special the problem of pilot-frequency expense Substantially, but in the tdd systems of frequency division duplex system or uplink and downlink there is no heterogeneite（Such as it is operated in specific The system of high band）, since heterogeneite is not present in uplink downlink, descending pilot frequency expense is directly proportional to antenna number, and terminal Need to base station feedback downlink channel condition information, to also bring along bigger feedback overhead, and then seriously affected extensive The performance of antenna array system.

In addition, according to the prior art, it is assumed that base station includes 128 physics days in a large-scale antenna array communication system Line, each terminal include an antenna, and in system of the uplink and downlink channel without heterogeneite, system at least needs offer 128 A subcarrier carries out channel estimation, generation pre-coding matrix to allow terminal to be used forThe pilot-frequency expense of generation, which has seriously affected, is The performance of system, in addition, substantial amounts of antenna in system, makes terminal pre-coding matrix excessively complicated.

The content of the invention

In order to solve the above-mentioned technical problem, the invention discloses a kind of method and system for realizing space division multiplexing.It can drop The pilot-frequency expense of low large-scale antenna array, while reduce the complexity of pre-coding matrix.

In order to achieve the purpose that the application, the present invention provides a kind of method for realizing space division multiplexing, including：

Base station sends the pilot signal of first kind antenna sets to terminal according to the first sending cycle；

The channel state feedback information of the pilot signal of the reception first kind antenna sets sent based on terminal, generates the second class The pilot signal of antenna sets；

It is less than the second sending cycle of the first sending cycle according to the cycle, sends the pilot signal of the second class antenna sets to eventually End.

Further, the pilot signals of the second class antenna sets is being sent to after terminal, this method further includes：Based on terminal The channel state feedback information of the pilot signal of reception the second class antenna sets of transmission, the pilot tone letter of generation three classes antenna sets Number, to be supplied to terminal to carry out data channel demodulation.

Further, this method further includes：

The number of antennas of second class antenna sets is less than the number of antennas of first kind antenna sets.

Further, first kind antenna sets are：The physical antenna of actual disposition；Or,

The logical antenna generated after being virtualized by the physical antenna of actual disposition；

Second class antenna sets are：The antenna structure of virtualization generation is carried out by all or part of antenna of first kind antenna sets Into.

Further, first kind antenna sets channel state feedback information includes：The terminal and the first kind antenna sets Between channel higher-order statistics.

Further, the pilot signal related information of base station transmission first kind antenna sets is also wrapped to the terminal, this method Include：The terminal is based on first kind antenna sets pilot signal related information and receives first kind antenna sets pilot signal.

Further, first kind antenna sets pilot signal related information includes：The number of antennas information of first kind antenna sets, And/or first kind antenna sets pilot tone drawing information, and/or, the pilot tones of first kind antenna sets send resource location, and/or, The pilot tone sending cycle of first kind antenna sets, and/or, the pilot sequence information of first kind antenna sets.

Further, base station sends the second class antenna sets pilot signal related information and is further included to the terminal, this method： The terminal is based on the second class antenna sets pilot signal related information and receives the second class antenna sets pilot signal.

Further, the corresponding pilot signal related information of the second class antenna sets includes：Terminal iidentification, and/or, set of terminal Mark, and/or, the number of antennas information of the second class antenna sets, and/or, the pilot tone drawing information of the second class antenna sets, and/or, The pilot tones of second class antenna sets send resource location, and/or, the pilot tone sending cycle of the second class antenna sets, and/or, the second class The pilot sequence information of antenna sets.

Further, the pilot signal of transmission first kind antenna sets is：Adopted in the first different sending cycles the base station The pilot signal of first kind antenna sets is sent with identical or different antenna；

The pilot signal for sending the second class antenna sets is：The base station in the second different sending cycles using identical or Different antennas sends the pilot signal of the second class antenna sets.

Further, end side includes N number of terminal, and this method further includes：Institute is received by M terminal in N number of terminal State the pilot signal of first kind antenna sets；Wherein, M is less than or equal to N.

Further, this method further includes：All or part of, the shared respective first kind of N number of terminal The channel condition information of antenna sets.

Further, this method further includes：By X terminal in the M terminal first is sent using identical resource The channel feedback information of class antenna sets pilot signal；Wherein, X is less than or equal to M.

Further, the channel feedback information of first kind antenna sets is：By all or part of terminal of N number of terminal The information of first kind antenna sets channel condition information generation.

Further, M terminal receives the pilot signal corresponding to the first kind antenna sets, and this method further includes：Its Middle Q terminal receives the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Further, terminal receives the pilot signal of first kind antenna sets, generates the channel shape of the first kind antenna sets State information, this method further include, and the terminal receives the channel condition information of the first kind antenna sets of other-end.

On the other hand, the application also provides a kind of method for realizing space division multiplexing, including：

Terminal receives the pilot signal that the cycle receives first kind antenna sets, and the first kind antenna sets sent according to first Channel state feedback information is to base station；

It was less than for the first the second reception cycle for receiving the cycle according to the cycle, receives leading for the second class antenna sets that base station generates Frequency signal, and the channel state feedback information of the second class antenna sets sent is to base station.

Further, terminal receives the pilot signal of base station generation three classes antenna sets, and this method further includes：The terminal The demodulation of data channel is carried out according to the pilot signal of three classes antenna sets.

Further, the number of antennas of the second class antenna sets is less than first kind antenna sets.

Further, every antenna of the second class antenna sets is：It is virtual by all or part of antenna of first kind antenna sets Metaplasia into.

Further, terminal receives the relevant information of first kind antenna sets pilot signal, and this method further includes：Terminal is based on The pilot signal related information of first kind antenna sets receives first kind antenna sets pilot signal.

Further, terminal receives the second class antenna sets pilot signal related information, and this method further includes：Based on the second class The pilot signal related information of antenna sets, the terminal receive the second class antenna sets pilot signal.

Further, end side includes N number of terminal, and this method further includes：M terminal in N number of terminal receives The pilot signal of first kind antenna sets；Wherein, M is less than or equal to N.

Further, first kind antenna sets pilot tone letter is sent by using identical resource by X terminal in M terminal Number channel feedback information；Wherein, X is less than or equal to M.

Further, M terminal receives the pilot signal corresponding to the first kind antenna sets, and this method further includes：By Wherein Q terminal receives the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Further, terminal receives the pilot signal of first kind antenna sets, and first sent according to the first reception cycle The channel state feedback information of class antenna sets is to other-end.

Further, terminal receives the pilot signal of the first kind antenna sets, generates the letter of the first kind antenna sets Channel state information, this method further include, and the terminal receives the channel condition information of the first kind antenna sets of other-end.

Another further aspect, the application also provide a kind of system for realizing space division multiplexing, including：One base station and some terminals； Wherein,

Base station, for the pilot signal according to the first sending cycle transmission first kind antenna sets to terminal；According to the first kind The channel state feedback information of antenna sets generates the pilot signal of the second class antenna sets；It is less than the first sending cycle according to the cycle Second sending cycle, sends the pilot signal of the second class antenna sets to terminal；

Terminal, for receiving the pilot signal of first kind antenna sets, and the channel status of the first kind antenna sets sent is anti- Feedforward information is to base station；Receive the pilot signal of the second class antenna sets.

Further, the base station, is additionally operable to generate three classes according to the channel state feedback information of the second class antenna sets The pilot signal of antenna sets；

The terminal, the channel state feedback information for the second class antenna sets for being additionally operable to send is to base station；Receive simultaneously basis The pilot signal of three classes antenna sets, carries out the demodulation of data channel.

Further, the number of antennas of the second class antenna sets is less than the number of antennas of the first kind antenna sets.

Further, first kind antenna sets are：The physical antenna of actual disposition or, by actual disposition physical antenna into The logical antenna generated after row virtualization；

Second class antenna sets are：The all or part of antenna of first kind antenna sets is carried out to the antenna structure of virtualization generation Into.

Further, base station, is additionally operable to send first kind antenna sets pilot signal related information to the terminal；

Terminal, is additionally operable to receive first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.

Further, base station, is additionally operable to send the second class antenna sets pilot signal related information to the terminal；

Terminal, is additionally operable to receive the second class antenna sets pilot signal based on the second class antenna sets pilot signal related information.

Further, sending the pilot signal of first kind antenna sets includes：The base station uses identical or different antenna Send the corresponding pilot signal of first kind antenna sets.

Further, send the pilot signal of first kind antenna sets includes to terminal：The base station is in the first different hairs The cycle is sent to send the pilot signal of first kind antenna sets using identical or different antenna；

Send the pilot signal of the second class antenna sets；Including：Base station is in different sending cycles using identical or different Antenna send the corresponding pilot signal of first kind antenna sets.

Further, end side includes N number of terminal, and M reception first kind antenna in N number of terminal is determined by base station The pilot signal of group；Wherein, M is less than or equal to N.

Further, by all or part of terminal of N number of terminal, the channel of the shared respective first kind antenna sets Status information.

Further, determine that X terminal in the M terminal sends first kind antenna using identical resource by base station The channel feedback information of the pilot signal of group；Wherein, X is less than or equal to M.

Further, the channel feedback information of first kind antenna sets is：By all or part of terminal of N number of terminal First kind antenna sets channel condition information generates.

Further, M terminal, when being additionally operable to receive the pilot signal corresponding to the first kind antenna sets, by wherein Q A terminal receives the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Further, terminal, is additionally operable to receive the channel condition information of the first kind antenna sets of other-end.

Another further aspect, the application also provide a kind of base station for realizing space division multiplexing, including：Sending module, receiving module；Its In,

Sending module, for the pilot signal according to the first sending cycle transmission first kind antenna sets to terminal；According to week Phase is less than the second sending cycle of the first sending cycle, sends the pilot signal of the second class antenna sets to terminal；

Receiving module, the channel state feedback letter of the pilot signal of the reception first kind antenna sets sent for receiving terminal Breath.

Further, receiving module, be additionally operable to receiving terminal transmission reception the second class antenna sets it is pilot signal, the The channel state feedback information of two class antenna sets；

Pilot signal module, is additionally operable to generate three classes antenna sets according to the channel state feedback information of the second class antenna sets Pilot signal.

Further, the number of antennas of first kind antenna sets is less than the number of antennas of the second class antenna sets.

Further, which further includes virtualization modules, for according to determination unit by the whole of first kind antenna sets Or some antennas is virtualized, to generate at least one second class antenna sets that number of antennas is less than first kind antenna sets.

Further, sending module, is additionally operable to be based on first kind antenna sets pilot signal related information pilot signal transmitted To the terminal.

Further, sending module, is additionally operable to be based on the second class antenna sets pilot signal related information pilot signal transmitted To the terminal.

Further, the pilot signal for sending first kind antenna sets specifically includes：Transmitting element is using identical or different Antenna sends the corresponding pilot signal of first kind antenna sets；

The pilot signal for sending the second class antenna sets specifically includes：The transmitting element is sent out using identical or different antenna Send first kind antenna sets corresponding pilot signal.

Further, end side includes N number of terminal, and base station further includes terminal deciding module, for determining by N number of terminal In M reception first kind antenna sets pilot signal；

Receiving unit, the pilot signal of the reception first kind antenna sets for receiving X terminal in the M terminal Channel feedback information；

Wherein, M is less than or equal to N, and X is less than or equal to M.

Further, the receiving unit of X terminal in M terminal receives the channel of the pilot signal of first kind antenna sets Feedback information, specifically includes：First kind day is received using the receiving unit of X terminal in M terminal described in identical resource The channel feedback information of the pilot signal of line group.

Further, which further includes terminal and receives setup module, for setting by M terminal reception described the Pilot signal corresponding to a kind of antenna sets, wherein Q terminal are received corresponding to the first kind antenna sets of other M-Q terminal Pilot signal.

Another further aspect, the application also provide a kind of terminal for realizing space division multiplexing, including：Transmitting element, receiving unit；Its In,

Receiving unit, for receiving the pilot signal of cycle reception first kind antenna sets according to first；It is less than according to the cycle The second of first sending cycle receives the cycle, receives the pilot signal for the second class antenna sets that base station is sent；

Transmitting element, for transmission first kind antenna sets channel state feedback information to base station；The second class sent The channel state feedback information of antenna sets is to base station.

Further, transmitting element, the channel state feedback information for the second class antenna sets for being additionally operable to send is to base station；

Receiving unit, is additionally operable to receive the pilot signal of base station generation three classes antenna sets；

The terminal further includes data demodulation unit, for the pilot signal of the three classes antenna sets according to receiving unit, into The demodulation of row data channel.

Further, every antenna of the second class antenna sets, by all or part of antenna virtualization of first kind antenna sets Generation.

Further, terminal further includes channel status acquiring unit, for obtaining channel condition information；The second class day Line group channel state feedback information is：During the second class antenna sets pilot signal sent by base station, by channel status acquiring unit The channel condition information generation of acquisition.

Further, the second class antenna sets channel state feedback information includes：Precoding matrix information, and/or, channel matter Measure information, and/or, channel rank information, and/or, the relevant information of the second class antenna sets.

Further, terminal also bag channel status shared cell, for sharing the channel status acquiring unit acquisition First kind antenna sets channel condition information.

Further, receiving unit, is additionally operable to receive the related letter of first kind antenna sets pilot signal that the base station is sent Breath；First kind antenna sets pilot signal is received based on first kind antenna sets pilot signal related information；

Further, receiving unit, is additionally operable to receive the related letter of the second class antenna sets pilot signal that the base station is sent Breath, the second class antenna sets pilot signal is received based on the second class antenna sets pilot signal related information.

Further, end side includes N number of terminal, is determined by the base station by M terminal in N number of terminal Receiving unit, for receiving the pilot signal of first kind antenna sets；

The receiving unit of X terminal in M terminal, for receiving the pilot signal of first kind antenna sets；The transmission Unit, for sending the channel feedback information of the X terminal to the base station；

Wherein, M is less than or equal to N, and X is less than or equal to M.

Further, by all or part of of N number of terminal, the channel status for sharing respective first kind antenna sets is believed Breath.

Further, send the channel feedback information of X terminal includes to the base station：Transmitting element uses identical money Source sends the channel feedback information of the X terminal to the base station.

Further, base station is determined as the pilot tone corresponding to the receiving unit of M terminal receives the first kind antenna sets Signal, the receiving unit of wherein Q terminal receive the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Further, receiving module, is additionally operable to receive the channel condition information of the first kind antenna sets of other-end.

The application proposes a kind of technical solution, including：Base station sends leading for first kind antenna sets according to the first sending cycle Frequency signal is to terminal；Pilot signal, first kind antenna sets the channel shapes of the reception first kind antenna sets sent based on terminal State feedback information；Generate the pilot signal of the second class antenna sets；It is less than the second sending cycle of the first sending cycle according to the cycle, The pilot signals of the second class antenna sets is sent to terminal.The application further includes terminal corresponding with method, base station and system.This Invention is less than the first sending cycle by using the second sending cycle, carries out the transmission of pilot signal, realizes reduction spatial division multiplexing Pilot-frequency expense.By virtual method, the implementation complexity of system is reduced.

Brief description of the drawings

Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：

Fig. 1 is the flow chart for the method that base station side of the present invention realizes space division multiplexing；

Fig. 2 is the flow chart for the method that space division multiplexing is realized in end side of the present invention；

Fig. 3 is the system architecture diagram that the present invention realizes space division multiplexing；

Fig. 4 is the architecture of base station block diagram that the present invention realizes space division multiplexing；

Fig. 5 is the terminal structure block diagram that the present invention realizes space division multiplexing；

Fig. 6 is the flow chart for the embodiment 1 that base station side of the present invention realizes space division multiplexing；

Fig. 7 is the flow chart for the embodiment 2 that base station side of the present invention realizes space division multiplexing；

Fig. 8 is the flow chart for the embodiment 1 that space division multiplexing is realized in end side of the present invention；

Fig. 9 is the flow chart for the embodiment 2 that space division multiplexing is realized in end side of the present invention.

Embodiment

It is to be appreciated that in the present invention, " antenna " is it can be appreciated that " port ", every antenna can be by one or more What a period of time was formed, such as send same reference signal（Pilot signal）A period of time or physical antenna or multiple physical antennas The logical antenna formed by virtualization technology.One group of identical antenna can also virtually be turned to multiple using different precodings Different antenna ports.

Fig. 1 is the flow chart for the method that base station side of the present invention realizes space division multiplexing, as shown in Figure 1, including：

Step 100, base station send the pilot signal of first kind antenna sets to terminal according to the first sending cycle.

In this step, the pilot signal for sending first kind antenna sets is：Base station uses phase in the first different sending cycles Same or different antenna sends the pilot signal of first kind antenna sets.

The pilot signal related information that base station sends first kind antenna sets is further included to the terminal, the method for the present invention：Eventually End group receives first kind antenna sets pilot signal in first kind antenna sets pilot signal related information.Here, first kind day is generated The pilot signal related information of line group is a common technical means of those skilled in the art, and which is not described herein again.

It should be noted that first kind antenna sets of the present invention are：The physical antenna of actual disposition or, by actual disposition The logical antenna that physical antenna generates after being virtualized.And in the method for the present invention, the pilot tone of first kind antenna sets sends resource Position is：Made choice from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

The channel state feedback information of step 101, the pilot signal of the reception first kind antenna sets sent based on terminal, it is raw Into the pilot signal of the second class antenna sets.

In this step, first kind antenna sets channel state feedback information includes：Channel between terminal and first kind antenna sets Higher-order statistics.

In this step, generation pilot signal is a common technical means of those skilled in the art, and is not used to limit this The protection domain of invention, which is not described herein again.

Step 102, according to the cycle be less than the first sending cycle the second sending cycle, send the second class antenna sets pilot tone Signal is to terminal.

Base station sends the second class antenna sets pilot signal related information and is further included to terminal, the method for the present invention：Terminal is based on Second class antenna sets pilot signal related information receives the second class antenna sets pilot signal.

Send the pilot signals of the second class antenna sets to：Base station is in the second different sending cycles using identical or different Antenna send the second class antenna sets pilot signal.

It should be noted that the pilot tone transmission resource location of the second class antenna sets of the invention is：From one group of predefined figure Selected or, according to generating random number in sample.

It should be noted that the second sending cycle combination practical application scene is designed, according to pilot-frequency expense, such as Tab phenolphthaleinum Frequency impacts to large-scale antenna array system performance when, by increase the second class antenna sets pilot signal send density, The second sending cycle duration is reduced, so as to shorten the second sending cycle, achievees the purpose that to reduce pilot-frequency expense, which is ability The conventional techniques of field technique personnel, details are not described herein.

The pilot signals of the second class antenna sets is being sent to after terminal, the method for the present invention is further included, sent based on terminal Reception the second class antenna sets pilot signal channel state feedback information, generate three classes antenna sets pilot signal, with It is supplied to terminal to carry out data channel demodulation.

It should be noted that the method for the present invention the second class antenna sets channel state feedback information includes：Pre-coding matrix is believed Breath, and/or, channel quality information, and/or, channel rank information, and/or, the relevant information of the second class antenna sets.

The pilot signal of three classes antenna sets sends position：Selected or, according to random from one group of predefined pattern Number generation.

The method of the present invention further includes：The number of antennas of second class antenna sets is less than the number of antennas of first kind antenna sets；

Further, the second class antenna sets are：Virtual metaplasia is carried out by all or part of antenna of first kind antenna sets Into antenna form.

It should be noted that being easy to think of by the method for the present invention, the number of antennas by the second class antenna sets is small In or equal to three classes antenna sets number of antennas.Three classes antenna sets are：By all or part of day of the second class antenna sets Line carries out virtualization generation antenna and forms.The number of antennas of other second class antenna sets is less than first kind antenna sets number, with hair Send pilot signal the first sending cycle and the second sending cycle there are identical variation tendency.That is, when sending cycle duration contracts Short, then in order to reach the purpose of the present invention, the number of antennas of general antenna sets also can be reduced accordingly.

In above step, during according to generating random number, random number is related with systematic parameter.Wherein, systematic parameter includes：It is small Area's mark, frame identification, subframe mark, system bandwidth.

End side includes N number of terminal, and the method for the present invention further includes：First kind day is received by M terminal in N number of terminal The pilot signal of line group；Wherein, M is less than or equal to N.

The method of the present invention further includes：By all or part of of N number of terminal, the channel of shared respective first kind antenna sets Status information.

Further, the method for the present invention further includes：By X terminal in M terminal first is sent using identical resource The channel feedback information of class antenna sets pilot signal；Wherein, X is less than or equal to M.

Further, the channel feedback information of first kind antenna sets is：By the first of all or part of terminal of N number of terminal The information of class antenna sets channel condition information generation.

M terminal receives the pilot signal corresponding to the first kind antenna sets, and the method for the present invention further includes：Wherein Q Terminal receives the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Terminal receives the pilot signal of first kind antenna sets, generates the channel condition information of first kind antenna sets, the present invention Method further includes, and terminal receives the channel condition information of the first kind antenna sets of other-end.

Fig. 2 is the flow chart for the method that space division multiplexing is realized in end side of the present invention, as shown in Fig. 2, including：

Step 200, terminal receive the pilot signal of first kind antenna sets, and the first kind sent according to the first reception cycle The channel state feedback information of antenna sets is to base station.

First kind antenna sets channel state feedback information is：By the first kind antenna of all or part of terminal of N number of terminal The information of group channel condition information generation.Here N number of terminal, is the number of all terminals of end side, is had according to actual conditions Corresponding value.

Step 201, be less than for the first the second reception cycle for receiving the cycle according to the cycle, receives the second class day of base station generation The pilot signal of line group, and the channel state feedback information of the second class antenna sets sent is to base station.

It should be noted that in the method for the present invention, the second class antenna sets channel state feedback information is：Terminal receives base station During the second class antenna sets pilot signal sent, it is anti-that the second class antenna sets channel status is generated according to the channel condition information of acquisition Feedforward information.

Second class antenna sets channel state feedback information includes：Precoding matrix information, and/or, channel quality information, And/or channel rank information, and/or, the relevant information of the second class antenna sets.

The channel state feedback information of the second class antenna sets is sent to behind base station, the method for the present invention further includes：Terminal receives Base station generates the pilot signal of three classes antenna sets, and the solution of data channel is carried out according to the pilot signal of three classes antenna sets Adjust.

Terminal receives the pilot signal of base station generation three classes antenna sets, and the method for the present invention further includes：Terminal is according to the 3rd The pilot signal of class antenna sets carries out the demodulation of data channel.

The method of the present invention further includes：The number of antennas of second class antenna sets is less than first kind antenna sets.

It should be noted that by the method for the present invention it is readily conceivable that the number of antennas of three classes antenna sets and the second class The number of antennas relation and processing method of antenna sets, the number of antennas of three classes antenna sets are less than or equal to the second class antenna sets. Every antenna of three classes antenna sets, is generated by all or part of antenna virtualization of the second class antenna sets.

Terminal receives the relevant information of first kind antenna sets pilot signal, and the method for the present invention further includes：Based on first kind day The pilot signal related information of line group receives first kind antenna sets pilot signal.

It should be noted that the pilot tone transmission resource location of first kind antenna sets is in the method for the present invention：Make a reservation for from one group Made choice or, according to generating random number or, by systemic presupposition in the pattern of justice.

Terminal receives the relevant information of the second class antenna sets pilot signal, and the method for the present invention further includes：Based on the second class day The pilot signal related information of line group receives the second class antenna sets pilot signal.

The corresponding pilot signal related information of second class antenna sets includes：Terminal iidentification, and/or, terminal group identification and/ Or, second class antenna sets number of antennas information, and/or, the pilot tone drawing information of the second class antenna sets, and/or, the second class day The pilot tone of line group send resource location, and/or, the pilot tone sending cycle of the second class antenna sets, and/or, the second class antenna sets Pilot sequence information.

It should be noted that the pilot tone transmission resource location of the method for the present invention the second class antenna sets is：Predefined from one group Pattern in selection or, according to generating random number.

It is related with systematic parameter that above-mentioned pilot tone sends random number of the resource location in generating random number；Systematic parameter bag Contain：Cell ID, frame identification, subframe mark, system bandwidth.

End side includes N number of terminal, and the method for the present invention further includes：M terminal in N number of terminal receives first kind antenna The pilot signal of group；Wherein, M is less than or equal to N.

The method of the present invention further includes：By all or part of of N number of terminal, respective first kind antenna sets are shared Channel condition information.

Further, first kind antenna sets are sent by using identical resource by X terminal in the M terminal to lead The channel feedback information of frequency signal；Wherein, X is less than or equal to M.

The method of the present invention further includes, and M terminal receives the pilot signal corresponding to first kind antenna sets, and the method for the present invention is also Including：As the pilot signal corresponding to wherein Q terminal receives the first kind antenna sets of other M-Q terminal.

Fig. 3 is the system architecture diagram that the present invention realizes space division multiplexing, as shown in figure 3, including：One base station and some ends End；Wherein,

Base station, for the pilot signal according to the first sending cycle transmission first kind antenna sets to terminal；According to the first kind The channel state feedback information of antenna sets generates the pilot signal of the second class antenna sets；It is less than the first sending cycle according to the cycle Second sending cycle, sends the pilot signal of the second class antenna sets to terminal.

Sending the pilot signal of first kind antenna sets includes：Base station sends first kind antenna using identical or different antenna The corresponding pilot signal of group.

Send the pilot signal of the second class antenna sets；Including：Base station sends first kind day using identical or different antenna The corresponding pilot signal of line group.

First kind antenna sets channel state feedback information includes：The higher order statistical of channel between terminal and first kind antenna sets Information.

Base station, the channel state feedback information for the second class antenna sets for being additionally operable to send is to base station；According to the second class antenna The pilot signal of the channel state feedback information generation three classes antenna sets of group.

Terminal, is additionally operable to receive and according to the pilot signal of three classes antenna sets, carries out the demodulation of data channel.

It should be noted that the pilot signal transmission position of three classes antenna sets is：Selected from one group of predefined pattern Select or, according to generating random number.

Further, the number of antennas of the second class antenna sets is less than the number of antennas of first kind antenna sets.

First kind antenna sets are：The physical antenna of actual disposition or, after being virtualized by the physical antenna of actual disposition The logical antenna of generation.

It should be noted that three classes antenna sets can also be set and generated according to the method for the second class antenna sets, The number of antennas of specific second class antenna sets is less than or equal to the number of antennas of the three classes antenna sets.Three classes antenna sets For：The all or part of antenna of second class antenna sets is carried out to the three classes antenna sets of virtualization generation.

Base station, sends first kind antenna sets pilot signal related information to terminal；

It should be noted that the pilot tone transmission resource location of first kind antenna sets is in present system：Make a reservation for from one group Made choice or, according to generating random number or, by systemic presupposition in the pattern of justice.

Base station, is additionally operable to send the second class antenna sets pilot signal related information to terminal.

It should be noted that the pilot signal transmission position of the second class antenna sets of the invention is：From one group of predefined figure Selected or, according to generating random number in sample.

It is related with systematic parameter according to generating random number, wherein random number that above-mentioned pilot signal, which sends position,；System is joined Number includes：Cell ID, frame identification, subframe mark, system bandwidth.

End side includes N number of terminal, M terminal in N number of terminal is determined by base station, for receiving first kind antenna sets Pilot signal；Wherein, M is less than or equal to N.

X terminal in M terminal, for sending the channel feedback information of first kind antenna sets to base station；Wherein, X is small In equal to M.

Further, all or part of terminal of N number of terminal, shares the channel status letter of respective first kind antenna sets Breath.

Further, determine that X terminal in M terminal sends first kind antenna sets using identical resource by base station The channel feedback information of pilot signal.

The channel feedback information of first kind antenna sets is：By the first kind antenna sets of all or part of terminal of N number of terminal Channel condition information generates.

As the pilot signal corresponding to M terminal receives the first kind antenna sets, wherein Q terminal receives other M-Q Pilot signal corresponding to the first kind antenna sets of a terminal.

Terminal, is additionally operable to receive the channel condition information of the first kind antenna sets of other-end.

Fig. 4 is the architecture of base station block diagram that the present invention realizes space division multiplexing, as shown in figure 4, including：Sending module and reception mould Block；Wherein,

Sending module, for the pilot signal according to the first sending cycle transmission first kind antenna sets to terminal；According to week Phase is less than the second sending cycle of the first sending cycle, sends the pilot signal of the second class antenna sets to terminal.

The pilot signal for sending first kind antenna sets specifically includes：Sending module sends the using identical or different antenna The corresponding pilot signal of a kind of antenna sets is to terminal.

The pilot signal of the second class antenna sets is sent, is specifically included：Sending module is sent using identical or different antenna The corresponding pilot signal of first kind antenna sets.

It should be noted that receiving module of the present invention, the pilot tone of reception the second class antenna sets sent for receiving terminal The channel state feedback information of signal.

First kind antenna sets include：The physical antenna of actual disposition or, virtualized by the physical antenna of actual disposition The logical antenna generated afterwards.

The number of antennas of first kind antenna sets is less than the number of antennas of the second class antenna sets.

Base station of the present invention further includes virtualization modules, for according to antenna determining module by the whole of first kind antenna sets or Person's some antennas is virtualized, to generate at least one second class antenna sets that number of antennas is less than first kind antenna sets.

It should be noted that using the method for the present invention, can be with it is readily conceivable that by virtualization modules, in the second class day The number of antennas of line group is less than or equal to the number of antennas of three classes antenna sets.By all or part of day of the second class antenna sets Line is virtualized, to generate the three classes antenna sets that number of antennas is less than or equal to the second class antenna sets.

Further, first kind antenna sets channel state feedback information includes：Channel between terminal and first kind antenna sets Higher-order statistics.

Sending module, is additionally operable to based on first kind antenna sets pilot signal related information pilot signal transmitted to terminal.

First kind antenna sets pilot signal related information includes：The number of antennas information of first kind antenna sets, and/or, The pilot tone drawing information of a kind of antenna sets, and/or, the pilot tones of first kind antenna sets send resource location, and/or, first kind day The pilot tone sending cycle of line group, and/or, the pilot sequence information of first kind antenna sets.

It should be noted that the pilot tone transmission resource location of first kind antenna sets of the present invention is：From one group of predefined figure Made choice in sample or, according to generating random number or, by systemic presupposition.

Sending module, is additionally operable to based on the second class antenna sets pilot signal related information pilot signal transmitted to terminal.

It should be noted that the pilot signal transmission position of the second class antenna sets of the invention is：From one group of predefined figure Selected or, according to generating random number in sample.Wherein according in generating random number, random number is related with systematic parameter；Systematic parameter Comprising：Cell ID, frame identification, subframe mark, system bandwidth.

End side includes N number of terminal, and base station of the present invention further includes terminal deciding module, for determining by N number of terminal M reception first kind antenna sets pilot signal；

Receiving unit, the channel of the pilot signal of the reception first kind antenna sets for receiving X terminal in M terminal Feedback information；

Wherein, M is less than or equal to N, and X is less than or equal to M.

The channel feedback information of the pilot signal of the reception first kind antenna sets of X terminal in M terminal is received, specifically Including：X terminal, the reception first kind antenna sets received using receiving unit described in identical resource in M terminal are led The channel feedback information of frequency signal.

Base station of the present invention further includes terminal and receives setup module, and first kind antenna sets institute is received by M terminal for setting Corresponding pilot signal, wherein Q terminal receive the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Fig. 5 is the terminal structure block diagram that the present invention realizes space division multiplexing, as shown in figure 5, including：Transmitting element, receive list Member；Wherein,

Receiving unit, for receiving the pilot signal of cycle reception first kind antenna sets according to first；It is less than according to the cycle The second of first sending cycle receives the cycle, receives the pilot signal for the second class antenna sets that base station is sent.

Transmitting element, for transmission first kind antenna sets channel state feedback information to base station.

Transmitting element, the channel state feedback information for the second class antenna sets for being additionally operable to send is to base station.

Receiving unit, is additionally operable to receive the pilot signal of base station generation three classes antenna sets.

Terminal of the present invention further includes data demodulation unit, for the pilot signal according to three classes antenna sets, carries out data The demodulation of channel.

It should be noted that the number of antennas of the second class antenna sets of the invention is less than first kind antenna sets；Second class antenna Every antenna of group, is generated by all or part of antenna virtualization of first kind antenna sets.

It should be noted that by the method for the present invention it is readily conceivable that be less than for three classes antenna sets number of antennas or Equal to the second class antenna sets, every antenna of three classes antenna sets can be realized using the method for the present invention, by the second class antenna sets All or part of antenna virtualization generation.

Terminal of the present invention further includes channel status acquiring unit, for obtaining channel condition information；Second class antenna sets are believed Road status feedback information is：During the second class antenna sets pilot signal sent by base station, obtained by channel status acquiring unit Channel condition information generates.

Terminal of the present invention also bag channel status shared cell, the first kind day obtained for shared channel state acquiring unit Line group channel condition information.

Receiving unit, is additionally operable to receive the first kind antenna sets pilot signal related information that base station is sent；Based on the first kind Antenna sets pilot signal related information receives first kind antenna sets pilot signal；

The pilot tone of second class antenna sets sends resource location：Selected or, according to random from one group of predefined pattern Number generation.

Above-mentioned pilot tone is sent in resource location according in generating random number, and random number is related with systematic parameter；Systematic parameter Comprising：Cell ID, frame identification, subframe mark, system bandwidth.

Receiving unit, is additionally operable to receive the second class antenna sets pilot signal related information that the base station is sent, based on the Two class antenna sets pilot signal related informations receive the second class antenna sets pilot signal.

End side includes N number of terminal, is determined by base station by the receiving unit of M terminal in N number of terminal, for receiving The pilot signal of first kind antenna sets.

The receiving unit of X terminal in M terminal, for receiving the pilot signal of first kind antenna sets；Transmitting element, The channel feedback information of X terminal is sent to base station.

Wherein, M is less than or equal to N, and X is less than or equal to M.

By all or part of of N number of terminal, the channel condition information of shared respective first kind antenna sets.

Transmitting element, send the channel feedback information of X terminal includes to base station：Transmitting element, using identical resource The channel feedback information of X terminal is sent to base station.

Base station determines that wherein Q eventually as the pilot signal corresponding to the receiving unit of M terminal receives first kind antenna sets The receiving unit at end receives the pilot signal corresponding to the first kind antenna sets of other M-Q terminal.

Receiving module, is additionally operable to receive the channel condition information of the first kind antenna sets of other-end.

The method of the present invention is further described below by the specific embodiment of base station side.

Embodiment 1

Fig. 6 is the flow chart for the embodiment 1 that base station side of the present invention realizes space division multiplexing, as shown in fig. 6, including：

Step 600, base station send the pilot signal of first kind antenna sets to terminal according to the first sending cycle.

In this step, first kind antenna sets are：The physical antenna of actual disposition or, by actual disposition physical antenna into The logical antenna generated after row virtualization.

The channel state feedback information of step 601, the pilot signal of the reception first kind antenna sets sent based on terminal, it is raw Into the pilot signal of the second class antenna sets.

Step 602, according to the cycle be less than the first sending cycle the second sending cycle, send the second class antenna sets pilot tone Signal is to terminal.

The channel state feedback information of step 603, the pilot signal of reception the second class antenna sets sent based on terminal；It is raw Into the pilot signal of three classes antenna sets, to be supplied to terminal to carry out data channel demodulation.

Further, terminal receives the relevant information of first kind antenna sets pilot signal；Based on leading for first kind antenna sets Frequency signal relevant information receives first kind antenna sets pilot signal；Afterwards,

Further, the number of antennas of the second class antenna sets is less than the number of antennas of first kind antenna sets；Second class antenna Group is：The antenna that all or part of antenna of first kind antenna sets is carried out to virtualization generation is formed.

Similarly, base station determines that the number of antennas of the second class antenna sets is less than or equal to the number of antennas of three classes antenna sets. Three classes antenna sets are：The antenna that all or part of antenna of second class antenna sets is carried out to virtualization generation is formed；Afterwards,

Further, when first kind antenna sets and the second class antenna sets are virtualized,

Embodiment 2

Fig. 7 is the flow chart for the embodiment 2 that base station side of the present invention realizes space division multiplexing, as shown in fig. 7, comprises：

Step 700, base station send the pilot signal of first kind antenna sets to terminal according to the first sending cycle.

The channel state feedback information of step 701, the pilot signal of the reception first kind antenna sets sent based on terminal, it is raw Into the pilot signal of the second class antenna sets.

Step 702, according to the cycle be less than the first sending cycle the second sending cycle, send the second class antenna sets pilot tone Signal is to terminal.

Step 703, base station send the second class antenna sets pilot signal related information and are based on the second class antenna to terminal, terminal Group pilot signal related information receives the second class antenna sets pilot signal.

Similarly, the number of antennas of the second class antenna sets is less than or equal to the number of antennas of three classes antenna sets.Three classes day Line group is：The antenna that all or part of antenna of second class antenna sets is carried out to virtualization generation is formed；Afterwards,

Embodiment 3

The present embodiment combination base station side is determined to receiving pilot signal terminal, preferably to realize that the technology of the present invention is imitated Fruit part is described in detail.

After embodiment 1 and 2 base station of embodiment send the pilot signal of first kind antenna sets,

End side includes N number of terminal, and the pilot signal of first kind antenna sets is received by M terminal in N number of terminal；Its In, M is less than or equal to N.

As the pilot signal corresponding to above-mentioned M terminal receives first kind antenna sets, wherein Q terminal receives other M-Q Pilot signal corresponding to the first kind antenna sets of a terminal.

Base station receives the channel feedback letter of pilot signal X terminal, receiving first kind antenna sets in M terminal Breath；Wherein, X is less than or equal to M.

Further, the pilot signal of first kind antenna sets is received using identical resource by X terminal in M terminal Channel feedback information；Afterwards,

Further, the channel feedback information of first kind antenna sets is：By the first of all or part of terminal of N number of terminal The information of class antenna sets channel condition information generation；Afterwards,

Further, N number of terminal is all or part of, shares the channel status letter of the respective first kind antenna sets Breath；

Further, terminal receives the channel condition information of the first kind antenna sets of other-end.

After base station receives first kind antenna sets channel state feedback information, according to embodiment 1 and embodiment 2, continue this Inventive method subsequent step.

Embodiment 4

The present embodiment has carried out preferred solution on the basis of embodiment 1 and embodiment 2, for step 600, step 700 Determine.

In step 600, step 700, further, the pilot signal related information of first kind antenna sets includes：The first kind The number of antennas information of antenna sets, and/or, the pilot tone drawing information of first kind antenna sets, and/or, first kind antenna sets are led Take place frequently send resource location, and/or, the pilot tone sending cycle of first kind antenna sets, and/or, the pilot frequency sequence of first kind antenna sets Information.

Wherein, the pilot tone transmission resource location of first kind antenna sets is：Made choice from one group of predefined pattern, Or, according to generating random number or, by systemic presupposition.

Random number is related with systematic parameter；Systematic parameter includes：Cell ID, frame identification, subframe mark, system bandwidth.

Embodiment 5

On the basis of the present embodiment is combined by embodiment 2 and 4 scheme of embodiment in example 4, carried out for step 703 Preferred solution determines.

I.e. further, the corresponding pilot signal related information of the second class antenna sets includes：Terminal iidentification, and/or, terminal Group mark, and/or, the number of antennas information of the second class antenna sets, and/or, the pilot tone drawing information of the second class antenna sets and/ Or, second class antenna sets pilot tone send resource location, and/or, the pilot tone sending cycle of the second class antenna sets, and/or, second The pilot sequence information of class antenna sets.

Base station sends the second class antenna sets pilot signal related information to terminal, based on the second class antenna sets pilot signal phase Close information terminal and receive the second class antenna sets pilot signal；

The method of the present invention is further described below by the specific embodiment of end side.

Embodiment 1

Fig. 8 is the flow chart for the embodiment 1 that space division multiplexing is realized in end side of the present invention, as shown in figure 8, including：

Step 800, terminal are according to the first pilot signal for receiving cycle reception first kind antenna sets, the first kind day of transmission The channel state feedback information of line group is to base station.

Step 801, according to the cycle be less than the first sending cycle second receive the cycle, receive base station generation the second class day The pilot signal of line group；The channel state feedback information of the second class antenna sets sent is to base station.

Step 802, terminal receive the pilot signal of base station generation three classes antenna sets, and leading according to three classes antenna sets Frequency signal carries out the demodulation of data channel.

Further, in the above embodiment, the number of antennas of the second class antenna sets is less than first kind antenna sets；Afterwards,

Similarly, the number of antennas of three classes antenna sets is less than or equal to the second class antenna sets.Every of three classes antenna sets Antenna, is generated by all or part of antenna virtualization of the second class antenna sets.

Embodiment 2

Fig. 9 is the flow chart for the embodiment 2 that space division multiplexing is realized in end side of the present invention；

Step 900, terminal receive the first kind antenna sets pilot signal related information that base station is sent.

Step 901, terminal receive the relevant information of first kind antenna sets pilot signal, the pilot tone based on first kind antenna sets Signal relevant information receives cycle reception first kind antenna sets pilot signal according to first.

Step 902, terminal receive the relevant information of the second class antenna sets pilot signal.

Step 903, terminal are based on the second class antenna sets pilot signal related information, are less than the first sending cycle according to the cycle Second receive the cycle, receive base station generation the second class antenna sets pilot signal；And the letter of the second class antenna sets sent Road status feedback information is to base station.

Step 904, terminal receive the pilot signal of base station generation three classes antenna sets, and leading according to three classes antenna sets Frequency signal carries out the demodulation of data channel.

Further, first kind antenna sets channel state feedback information includes：Channel between terminal and first kind antenna sets Higher-order statistics；Afterwards,

Further, in the above embodiment, the number of antennas of the second class antenna sets determined by base station is less than the first kind Antenna sets.

Similarly, the number of antennas of three classes antenna sets is less than or equal to the second class antenna sets.

Similarly, every antenna of three classes antenna sets, is generated by all or part of antenna virtualization of the second class antenna sets.

Embodiment 3

Received and handled in all or part that end side is determined by base station for pilot signal, made with the present embodiment For preferred solution, which is described in detail.

End side includes N number of terminal, and the pilot signal of first kind antenna sets is received by M terminal in N number of terminal；

Pilot signal X terminal, receiving first kind antenna sets in M terminal, concurrent channels feedback information arrive The base station；

Wherein, M is less than or equal to N, and X is less than or equal to M.

Further, by all or part of of N number of terminal, the channel status for sharing respective first kind antenna sets is believed Breath；Afterwards,

Further, the channel feedback information of first kind antenna sets is：By the first of all or part of terminal of N number of terminal Class antenna sets channel condition information generates；Afterwards,

Further, terminal receives the channel condition information of the first kind antenna sets of other-end；Afterwards,

Further, pilot signal X terminal, receiving first kind antenna sets in M terminal, and by identical Resource sends channel feedback information to the base station.

Embodiment 4

Based on embodiment 2, pilot signal related information and pilot signal related information to first kind antenna sets send money Source position is defined, and forms the present embodiment.Specifically include：

The pilot tone of first kind antenna sets sends resource location：Made choice from one group of predefined pattern or, according to Generating random number or, by systemic presupposition.

Further, random number is related with systematic parameter；Systematic parameter includes：Cell ID, frame identification, subframe mark Know, system bandwidth；Afterwards,

Although the embodiment disclosed by the application is as above, the content is only to readily appreciate the application and use Embodiment, is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application On the premise of the spirit and scope of dew, any modification and change, but the application can be carried out in the form and details of implementation Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.

Claims

A kind of 1. method for realizing space division multiplexing, it is characterised in that including：

Base station sends the pilot signal of first kind antenna sets to terminal according to the first sending cycle；

The channel state feedback information of the pilot signal of the reception first kind antenna sets sent based on terminal, generates the second class antenna The pilot signal of group；

It is less than the second sending cycle of the first sending cycle according to the cycle, sends the pilot signal of the second class antenna sets to terminal.
2. according to the method described in claim 1, it is characterized in that, send the second class antenna sets pilot signal to terminal it Afterwards, this method further includes：The channel state feedback information of the pilot signal of reception the second class antenna sets sent based on terminal, it is raw Into the pilot signal of three classes antenna sets, to be supplied to terminal to carry out data channel demodulation.
3. according to the method described in claim 1, it is characterized in that, this method further includes：

The number of antennas of the second class antenna sets is less than the number of antennas of first kind antenna sets.
4. the method according to claim 1 or 3, it is characterised in that the first kind antenna sets are：The physics of actual disposition Antenna；Or,

The logical antenna generated after being virtualized by the physical antenna of actual disposition；

The second class antenna sets are：The antenna structure of virtualization generation is carried out by all or part of antenna of first kind antenna sets Into.
5. the method according to claim 1 or 3, it is characterised in that the first kind antenna sets channel state feedback information Comprising：The higher-order statistics of channel between the terminal and the first kind antenna sets.
6. the method according to claim 1 or 3, it is characterised in that the base station sends the pilot tone letter of first kind antenna sets Number relevant information is further included to the terminal, this method：The terminal is connect based on first kind antenna sets pilot signal related information Receive first kind antenna sets pilot signal.
7. the according to the method described in claim 6, it is characterized in that, first kind antenna sets pilot signal related information bag Contain：The number of antennas information of first kind antenna sets, and/or, the pilot tone drawing information of first kind antenna sets, and/or, first kind day The pilot tone of line group send resource location, and/or, the pilot tone sending cycle of first kind antenna sets, and/or, first kind antenna sets Pilot sequence information.
8. the method according to claim 1 or 3, it is characterised in that the base station sends the second class antenna sets pilot signal Relevant information is further included to the terminal, this method：The terminal is received based on the second class antenna sets pilot signal related information Second class antenna sets pilot signal.
9. the according to the method described in claim 8, it is characterized in that, related letter of the corresponding pilot signal of the second class antenna sets Breath includes：Terminal iidentification, and/or, terminal group identification, and/or, the number of antennas information of the second class antenna sets, and/or, second The pilot tone drawing information of class antenna sets, and/or, the pilot tones of the second class antenna sets send resource location, and/or, the second class antenna Group pilot tone sending cycle, and/or, the pilot sequence information of the second class antenna sets.
10. the method according to claim 1 or 3, it is characterised in that the pilot signal for sending first kind antenna sets For：The base station sends the pilot tone letter of first kind antenna sets in the first different sending cycles using identical or different antenna Number；

It is described send the second class antenna sets pilot signal be：The base station in the second different sending cycles using identical or Different antennas sends the pilot signal of the second class antenna sets.
11. the method according to claim 1 or 3, it is characterised in that end side includes N number of terminal, and this method is also wrapped Include：The pilot signal of the first kind antenna sets is received by M terminal in N number of terminal；Wherein, M is less than or equal to N.
12. according to the method for claim 11, it is characterised in that this method further includes：The whole of N number of terminal or Part, shares the channel condition information of the respective first kind antenna sets.
13. according to the method for claim 12, it is characterised in that this method further includes：By X in the M terminal Terminal sends the channel feedback information of first kind antenna sets pilot signal using identical resource；Wherein, X is less than or equal to M.
14. according to the method for claim 13, it is characterised in that the channel feedback information of the first kind antenna sets is： The information generated by the first kind antenna sets channel condition information of all or part of terminal of N number of terminal.
15. according to the method for claim 12, it is characterised in that M terminal is received corresponding to the first kind antenna sets Pilot signal, this method further includes：Wherein Q terminal receives leading corresponding to the first kind antenna sets of other M-Q terminal Frequency signal.
16. according to the method described in claim 1, it is characterized in that, the terminal receives the pilot tone of the first kind antenna sets Signal, generates the channel condition information of the first kind antenna sets, and this method further includes, and the terminal receives the of other-end The channel condition information of a kind of antenna sets.
A kind of 17. method for realizing space division multiplexing, it is characterised in that including：

Terminal receives the pilot signal of first kind antenna sets, and the channel of the first kind antenna sets sent according to the first reception cycle Status feedback information is to base station；

It was less than for the first the second reception cycle for receiving the cycle according to the cycle, receives the pilot tone letter of the second class antenna sets of base station generation Number, and the channel state feedback information of the second class antenna sets sent is to base station.
18. according to the method for claim 17, it is characterised in that the terminal receives base station generation three classes antenna sets Pilot signal, this method further include：The terminal carries out the demodulation of data channel according to the pilot signal of three classes antenna sets.
19. according to the method for claim 17, it is characterised in that the number of antennas of the second class antenna sets is less than first Class antenna sets.
20. according to the method for claim 19, it is characterised in that every antenna of the second class antenna sets is：By All or part of antenna virtualization generation of a kind of antenna sets.
21. the method according to claim 17 or 19, it is characterised in that the first kind antenna sets channel state feedback letter Breath includes：The higher-order statistics of channel between the terminal and the first kind antenna sets.
22. the method according to claim 17 or 19, it is characterised in that the terminal receives first kind antenna sets pilot tone letter Number relevant information, this method further includes：Pilot signal related information of the terminal based on first kind antenna sets receives first Class antenna sets pilot signal.
23. according to the method for claim 22, it is characterised in that the first kind antenna sets pilot signal related information bag Contain：The number of antennas information of first kind antenna sets, and/or, the pilot tone drawing information of first kind antenna sets, and/or, first kind day The pilot tone of line group send resource location, and/or, the pilot tone sending cycle of first kind antenna sets, and/or, first kind antenna sets Pilot sequence information.
24. the method according to claim 17 or 19, it is characterised in that the terminal receives the second class antenna sets pilot tone letter Number relevant information, this method further include：Based on the pilot signal related information of the second class antenna sets, the terminal receives the second class Antenna sets pilot signal.
25. according to the method for claim 24, it is characterised in that the corresponding pilot signal of the second class antenna sets is related Information includes：Terminal iidentification, and/or, terminal group identification, and/or, the number of antennas information of the second class antenna sets, and/or, The pilot tone drawing information of two class antenna sets, and/or, the pilot tones of the second class antenna sets send resource location, and/or, the second class day The pilot tone sending cycle of line group, and/or, the pilot sequence information of the second class antenna sets.
26. according to the method for claim 17, it is characterised in that end side includes N number of terminal, and this method further includes： M terminal in N number of terminal receives the pilot signal of first kind antenna sets；Wherein, M is less than or equal to N.
27. according to the method for claim 26, it is characterised in that this method further includes：The whole of N number of terminal or Part, shares the channel condition information of the respective first kind antenna sets.
28. according to the method for claim 26, it is characterised in that by X terminal in the M terminal by using phase Same resource sends the channel feedback information of first kind antenna sets pilot signal；Wherein, X is less than or equal to M.
29. according to the method for claim 26, it is characterised in that the channel feedback information of the first kind antenna sets is： The information generated by the first kind antenna sets channel condition information of all or part of terminal of N number of terminal.
30. according to the method for claim 26, it is characterised in that M terminal is received corresponding to the first kind antenna sets Pilot signal, this method further includes：As corresponding to wherein Q terminal receives the first kind antenna sets of other M-Q terminal Pilot signal.
31. according to the method for claim 17, it is characterised in that terminal receives cycle reception first kind antenna according to first The pilot signal of group, and the channel state feedback information of the first kind antenna sets sent is to other-end.
32. according to the method for claim 17, it is characterised in that terminal receives the pilot tone letter of the first kind antenna sets Number, the channel condition informations of the first kind antenna sets is generated, this method further includes, and the terminal receives the first of other-end The channel condition information of class antenna sets.
A kind of 33. system for realizing space division multiplexing, it is characterised in that including：One base station and some terminals；Wherein,

Base station, for the pilot signal according to the first sending cycle transmission first kind antenna sets to terminal；According to first kind antenna The channel state feedback information of group generates the pilot signal of the second class antenna sets；It is less than the second of the first sending cycle according to the cycle Sending cycle, sends the pilot signal of the second class antenna sets to terminal；

Terminal, for receiving the pilot signal of first kind antenna sets, and the channel state feedback letter of the first kind antenna sets sent Cease to base station；Receive the pilot signal of the second class antenna sets.
34. system according to claim 33, it is characterised in that

The base station, the pilot tone for being additionally operable to generate three classes antenna sets according to the channel state feedback information of the second class antenna sets are believed Number；

The terminal, the channel state feedback information for the second class antenna sets for being additionally operable to send is to base station；Receive and according to the 3rd The pilot signal of class antenna sets, carries out the demodulation of data channel.
35. system according to claim 33, it is characterised in that the number of antennas of the second class antenna sets is less than described The number of antennas of first kind antenna sets.
36. system according to claim 35, it is characterised in that the first kind antenna sets are：The physics of actual disposition Antenna or, the logical antenna generated after being virtualized by the physical antenna of actual disposition；

The second class antenna sets are：The all or part of antenna of first kind antenna sets is carried out to the antenna structure of virtualization generation Into.
37. the system according to claim 33 or 35, it is characterised in that the first kind antenna sets channel state feedback letter Breath includes：The higher-order statistics of channel between the terminal and the first kind antenna sets.
38. the system according to claim 33 or 35, it is characterised in that the base station, is additionally operable to send first kind antenna Pilot signal related information is organized to the terminal；

The terminal, is additionally operable to receive first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.
39. the system according to claim 33 or 35, it is characterised in that the related letter of the first kind antenna sets pilot signal Breath includes：The number of antennas information of first kind antenna sets, and/or, the pilot tone drawing information of first kind antenna sets, and/or, first The pilot tones of class antenna sets send resource location, and/or, the pilot tone sending cycle of first kind antenna sets, and/or, first kind antenna The pilot sequence information of group.
40. the system according to claim 33 or 35, it is characterised in that the base station, is additionally operable to send the second class antenna Pilot signal related information is organized to the terminal；

The terminal, is additionally operable to receive the second class antenna sets pilot signal based on the second class antenna sets pilot signal related information.
41. the system according to claim 33 or 35, it is characterised in that the corresponding pilot signal of the second class antenna sets Relevant information includes：Terminal iidentification, and/or, terminal group identification, and/or, the number of antennas information of the second class antenna sets and/ Or, second class antenna sets pilot tone drawing information, and/or, the pilot tones of the second class antenna sets send resource location, and/or, second The pilot tone sending cycle of class antenna sets, and/or, the pilot sequence information of the second class antenna sets.
42. the system according to claim 33 or 35, it is characterised in that the pilot signal for sending first kind antenna sets Including：The base station sends the corresponding pilot signal of first kind antenna sets using identical or different antenna.
43. the system according to claim 33 or 35, it is characterised in that the pilot signal for sending first kind antenna sets Include to terminal：The base station sends first kind antenna sets in the first different sending cycles using identical or different antenna Pilot signal；

The pilot signal for sending the second class antenna sets includes：The base station is in different sending cycles using identical or not Same antenna sends the corresponding pilot signal of the second class antenna sets.
44. the system according to claim 33 or 35, it is characterised in that end side includes N number of terminal, true by base station The pilot signal of M reception first kind antenna sets in fixed N number of terminal；Wherein, M is less than or equal to N.
45. system according to claim 44, it is characterised in that common by all or part of terminal of N number of terminal Enjoy the channel condition information of the respective first kind antenna sets.
46. system according to claim 44, it is characterised in that determine that X terminal in the M terminal makes by base station The channel feedback information of the pilot signal of first kind antenna sets is sent with identical resource；Wherein, X is less than or equal to M.
47. system according to claim 44, it is characterised in that the channel feedback information of the first kind antenna sets is： Generated by the first kind antenna sets channel condition information of all or part of terminal of N number of terminal.
48. system according to claim 44, it is characterised in that the M terminal, is additionally operable to receive the first kind day During pilot signal corresponding to line group, as leading corresponding to wherein Q terminal receives the first kind antenna sets of other M-Q terminal Frequency signal.
49. system according to claim 33, it is characterised in that the terminal, is additionally operable to receive the first of other-end The channel condition information of class antenna sets.
A kind of 50. base station for realizing space division multiplexing, it is characterised in that including：Sending module, receiving module；Wherein,

Sending module, for the pilot signal according to the first sending cycle transmission first kind antenna sets to terminal；It is small according to the cycle In the second sending cycle of the first sending cycle, the pilot signals of the second class antenna sets is sent to terminal；

Receiving module, the channel state feedback information of the pilot signal of the reception first kind antenna sets sent for receiving terminal.
51. base station according to claim 50, it is characterised in that the receiving module, is additionally operable to receiving terminal transmission Receive the channel state feedback information of the pilot signal of the second class antenna sets；

The pilot signal module, is additionally operable to generate three classes antenna sets according to the channel state feedback information of the second class antenna sets Pilot signal.
52. base station according to claim 50, it is characterised in that the number of antennas of the second class antenna sets is less than first The number of antennas of class antenna sets.
53. base station according to claim 52, it is characterised in that the base station further includes virtualization modules, for according to true Order member is virtualized all or part of antenna of first kind antenna sets, is less than first kind antenna to generate number of antennas At least one second class antenna sets of group.
54. the base station according to claim 50 or 52, it is characterised in that the first kind antenna sets channel state feedback letter Breath includes：The higher-order statistics of channel between the terminal and the first kind antenna sets.
55. the base station according to claim 50 or 52, it is characterised in that the sending module, is additionally operable to be based on the first kind Antenna sets pilot signal related information pilot signal transmitted is to the terminal.
56. the base station according to claim 50 or 52, it is characterised in that the related letter of the first kind antenna sets pilot signal Breath includes：The number of antennas information of first kind antenna sets, and/or, the pilot tone drawing information of first kind antenna sets, and/or, first The pilot tones of class antenna sets send resource location, and/or, the pilot tone sending cycle of first kind antenna sets, and/or, first kind antenna The pilot sequence information of group.
57. base station according to claim 51, it is characterised in that the sending module, is additionally operable to be based on the second class antenna Pilot signal related information pilot signal transmitted is organized to the terminal.
58. the base station according to claim 50 or 52, it is characterised in that the corresponding pilot signal of the second class antenna sets Relevant information includes：Terminal iidentification, and/or, terminal group identification, and/or, the number of antennas information of the second class antenna sets and/ Or, second class antenna sets pilot tone drawing information, and/or, the pilot tones of the second class antenna sets send resource location, and/or, second The pilot tone sending cycle of class antenna sets, and/or, the pilot sequence information of the second class antenna sets.
59. the base station according to claim 50 or 52, it is characterised in that the pilot signal for sending first kind antenna sets Specifically include：The transmitting element sends the corresponding pilot signal of first kind antenna sets using identical or different antenna；

The pilot signal for sending the second class antenna sets specifically includes：The transmitting element is sent out using identical or different antenna Send the second class antenna sets corresponding pilot signal.
60. the base station according to claim 50 or 52, it is characterised in that end side includes N number of terminal, and the base station is also Including terminal deciding module, for determining by the pilot signal of M reception first kind antenna sets in N number of terminal；

The receiving unit, the pilot signal of the reception first kind antenna sets for receiving X terminal in the M terminal Channel feedback information；

Wherein, M is less than or equal to N, and X is less than or equal to M.
61. base station according to claim 60, it is characterised in that the receiving unit of X terminal in the M terminal connects The channel feedback information of the pilot signal of first kind antenna sets is received, is specifically included：Using in M terminal described in identical resource The receiving unit of X terminal receives the channel feedback information of the pilot signal of first kind antenna sets.
62. base station according to claim 60, it is characterised in that the channel feedback information of the first kind antenna sets is： Generated by the first kind antenna sets channel condition information of all or part of terminal of N number of terminal.
63. the base station according to claim 50 or 52, it is characterised in that the base station further includes terminal and receives setup module, Other M-Q are received as the pilot signal corresponding to M terminal receives the first kind antenna sets, wherein Q terminal for setting Pilot signal corresponding to the first kind antenna sets of a terminal.
A kind of 64. terminal for realizing space division multiplexing, it is characterised in that including：Transmitting element, receiving unit；Wherein,

Receiving unit, for receiving the pilot signal of cycle reception first kind antenna sets according to first；It is less than first according to the cycle The second of sending cycle receives the cycle, receives the pilot signal for the second class antenna sets that base station is sent；

Transmitting element, for transmission first kind antenna sets channel state feedback information to base station；The the second class antenna sent The channel state feedback information of group is to base station.
65. terminal according to claim 64, it is characterised in that transmitting element, is additionally operable to the second class antenna sets sent Channel state feedback information to base station；

The receiving unit, is additionally operable to receive the pilot signal of base station generation three classes antenna sets；

The terminal further includes data demodulation unit, for the pilot signal of the three classes antenna sets according to receiving unit, into line number It is believed that the demodulation in road.
66. terminal according to claim 64, it is characterised in that the number of antennas of the second class antenna sets is less than first Class antenna sets.
67. terminal according to claim 66, it is characterised in that every antenna of the second class antenna sets, by first All or part of antenna virtualization generation of class antenna sets.
68. the terminal according to claim 64 or 66, it is characterised in that the terminal further includes channel status and obtains list Member, for obtaining channel condition information；The second class antenna sets channel state feedback information is：The second class sent by base station During antenna sets pilot signal, the channel condition information obtained by channel status acquiring unit generates.
69. the terminal according to claim 64 or 66, it is characterised in that the first kind antenna sets channel state feedback letter Breath includes：The higher-order statistics of channel between the terminal and the first kind antenna sets.
70. the terminal according to claim 64 or 66, it is characterised in that the second class antenna sets channel state feedback letter Breath includes：Precoding matrix information, and/or, channel quality information, and/or, channel rank information, and/or, the second class antenna sets Relevant information.
71. the terminal according to claim 64 or 66, it is characterised in that the terminal also bag channel status shared cell, The first kind antenna sets channel condition information obtained for sharing the channel status acquiring unit.
72. the terminal according to claim 64 or 66, it is characterised in that the receiving unit, is additionally operable to receive the base Stand send first kind antenna sets pilot signal related information；First is received based on first kind antenna sets pilot signal related information Class antenna sets pilot signal.
73. the terminal according to claim 72, it is characterised in that the first kind antenna sets pilot signal related information bag Include：The number of antennas information of first kind antenna sets, and/or, the pilot tone drawing information of first kind antenna sets, and/or, first kind day The pilot tone of line group send resource location, and/or, the pilot tone sending cycle of first kind antenna sets, and/or, first kind antenna sets Pilot sequence information.
74. the terminal according to claim 64 or 66, it is characterised in that the receiving unit, is additionally operable to receive the base Stand send the second class antenna sets pilot signal related information, based on the second class antenna sets pilot signal related information receive second Class antenna sets pilot signal.
75. the terminal according to claim 74, it is characterised in that the corresponding pilot signal of the second class antenna sets is related Information includes：Terminal iidentification, and/or, terminal group identification, and/or, the number of antennas information of the second class antenna sets, and/or, The pilot tone drawing information of two class antenna sets, and/or, the pilot tones of the second class antenna sets send resource location, and/or, the second class day The pilot tone sending cycle of line group, and/or, the pilot sequence information of the second class antenna sets.
76. the terminal according to claim 64 or 66, it is characterised in that end side includes N number of terminal, by the base station The receiving unit by M terminal in N number of terminal is determined, for receiving the pilot signal of first kind antenna sets；

The receiving unit of X terminal in the M terminal, for receiving the pilot signal of first kind antenna sets；The transmission Unit, for sending the channel feedback information of the X terminal to the base station；

Wherein, M is less than or equal to N, and X is less than or equal to M.
77. the terminal according to claim 76, it is characterised in that by all or part of of N number of terminal, share each From first kind antenna sets channel condition information.
78. the terminal according to claim 76, it is characterised in that the channel feedback information for sending the X terminal Include to the base station：Transmitting element sends the channel feedback information of the X terminal to the base station using identical resource.
79. the terminal according to claim 76, it is characterised in that the channel feedback information of the first kind antenna sets is： Generated by the first kind antenna sets channel condition information of all or part of terminal of N number of terminal.
80. the terminal according to claim 76, it is characterised in that the base station is determined by the reception list of the M terminal Member receives the pilot signal corresponding to the first kind antenna sets, and the receiving unit of wherein Q terminal receives other M-Q terminal First kind antenna sets corresponding to pilot signal.
81. terminal according to claim 66, it is characterised in that the receiving module, is additionally operable to receive other-end The channel condition information of first kind antenna sets.