CN104753573A

CN104753573A - Space division multiplexing implementation method, system, base station and terminal

Info

Publication number: CN104753573A
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: 2015-07-01
Anticipated expiration: 2033-12-31
Also published as: CN104753573B; WO2015100939A1

Abstract

The invention discloses a space division multiplexing implementation method, system, base station and terminal. The space division multiplexing implementation method includes that the base station sends a pilot signal of a first antenna group to the terminal according to a first sending period; the base station generates a pilot signal of a second antenna group based on signal path state feedback information sent from the terminal after receiving the pilot signal of the first antenna group; the base station sends the pilot signal of the second antenna group to the terminal according to a second sending period smaller than the first sending period. Through using the second sending period smaller than the first sending period to send the pilot signal, the space division multiplexing pilot expenditure is lowered; the implementation complexity of the system is lowered through a virtualization method.

Description

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

Technical field

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

Background technology

Along with the development of mobile communication terminal, the market demand business facilitating radio communication also constantly increases, the Application and Development of the application such as such as cloud computing, video calling, multimedia are shared, social, make cordless communication network user present extensive growth, wireless data service achieves explosive growth in a short time.According to Research statistics, at coming 10 years, still there is the growth space of 500 ~ 1000 times in wireless data service, and this proposes very high requirement to the capacity of wireless communication system.

What the method for carrying out wireless network capacitance lifting was commonly used at present has: (1) increases spectral bandwidth; (2) service distributing is strengthened; (3) network density is improved; (4) spectrum efficiency is promoted.In these methods, the lifting spectrum efficiency method based on multi-antenna technology obtains very many concerns.

The Multiinputoutput (SU-MIMO) that multi-antenna technology is held from sole user evolves to the Multiinputoutput (MU-MIMO) of multi-user's end, developing deeply is cooperative multipoint transmission technology (CoMP), and thinking of development is from improving the stability of single-link and peak flow to raising entire system flow.But the resource overhead that CoMP brings owing to measuring channel, data interaction etc., and the imbalance etc. of multipath power, performance is unsatisfactory in actual applications, is difficult to get a desired effect.

Under this background, based on large-scale antenna array (LSAS) or extensive MIMO(Massive MIMO) the communication technology be suggested, it is expansion and the extension of MIMO technology, its essential characteristic is exactly the aerial array (from tens to several thousand) at base station side configuration One's name is legion, utilize space division multiple access (SDMA) principle, serve multiple user simultaneously.The vast array gain brought due to large-scale antenna array and AF panel gain, the spectrum efficiency making community total and the spectrum efficiency of edge customer obtain great lifting.

Although large-scale antenna array system makes the spectrum efficiency of community and the spectrum efficiency of edge customer obtain great lifting, but, when practical application, there is the problem that pilot-frequency expense is large.In tdd systems, because uplink downlink exists heterogeneite, the pilot signal that can be sent by base station estimates channel, so the problem of pilot-frequency expense is not obvious especially, but do not exist in the tdd systems of heterogeneite at frequency division duplex system or up-downgoing and (be such as operated in the system of specific high band), because uplink downlink does not exist heterogeneite, descending pilot frequency expense is directly proportional to antenna number, and terminal needs to base station feedback downlink channel condition information, also larger feedback overhead can be brought, and then had a strong impact on the performance of large-scale antenna array system.

In addition, conventionally, suppose that in a large-scale antenna array communication system, base station comprises 128 physical antennas, each terminal comprises an antenna, do not have in the system of heterogeneite at up-downgoing channel, system at least needs to provide 128 subcarriers to allow terminal for carrying out channel estimating, generating pre-coding matrix the pilot-frequency expense produced has had a strong impact on the performance of system, and in addition, antennas a large amount of in system, makes terminal pre-coding matrix too complicated.

Summary of the invention

In order to solve the problems of the technologies described above, the invention discloses a kind of method and system realizing space division multiplexing.The pilot-frequency expense of large-scale antenna array can be reduced, reduce the complexity of pre-coding matrix simultaneously.

In order to reach the object of the application, the invention provides a kind of method realizing space division multiplexing, comprising:

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

Based on the channel state feedback information of the pilot signal of the reception first kind antenna sets of terminal transmission, generate the pilot signal of Equations of The Second Kind antenna sets;

Be less than the second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.

Further, after the pilot signal sending Equations of The Second Kind antenna sets to terminal, the method also comprises: based on the channel state feedback information of the pilot signal of the reception Equations of The Second Kind antenna sets of terminal transmission, generate the pilot signal of the 3rd class antenna sets, carry out data channel demodulation to be supplied to terminal.

Further, the method also comprises:

The number of antennas of Equations of The Second Kind antenna sets is less than the number of antennas of first kind antenna sets.

Further, first kind antenna sets is: the physical antenna of actual disposition; Or,

The logical antenna of virtual rear generation is carried out by the physical antenna of actual disposition;

Equations of The Second Kind antenna sets is: the antenna being carried out virtual generation by all or part of antenna of first kind antenna sets is formed.

Further, first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between described terminal and described first kind antenna sets.

Further, base station sends the pilot signal related information of first kind antenna sets to described terminal, and the method also comprises: described terminal receives first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.

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

Further, base station sends Equations of The Second Kind antenna sets pilot signal related information to described terminal, and the method also comprises: described terminal receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

Further, pilot signal related information corresponding to Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

Further, the pilot signal sending first kind antenna sets is: described base station adopts identical or different antenna to send the pilot signal of first kind antenna sets in the first different transmission cycles;

The pilot signal sending Equations of The Second Kind antenna sets is: described base station adopts identical or different antenna to send the pilot signal of Equations of The Second Kind antenna sets within the second different transmission cycles.

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

Further, the method also comprises: described N number of terminal all or part of, shares the channel condition information of respective described first kind antenna sets.

Further, the method also comprises: use identical resource to send the channel feedback information of first kind antenna sets pilot signal by X terminal in a described M terminal; Wherein, X is less than or equal to M.

Further, the channel feedback information of first kind antenna sets is: the information generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

Further, M terminal receives the pilot signal corresponding to described first kind antenna sets, and the method also comprises: wherein Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

Further, terminal receives the pilot signal of first kind antenna sets, and generate the channel condition information of described first kind antenna sets, the method also comprises, and described 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 realizing space division multiplexing, comprising:

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

Be less than the second receiving cycle of the first receiving cycle according to the cycle, receive the pilot signal of the Equations of The Second Kind antenna sets that base station generates, and the channel state feedback information of the Equations of The Second Kind antenna sets sent is to base station.

Further, terminal receives the pilot signal that base station generates the 3rd class antenna sets, and the method also comprises: described terminal carries out the demodulation of data channel according to the pilot signal of the 3rd class antenna sets.

Further, the number of antennas of Equations of The Second Kind antenna sets is less than first kind antenna sets.

Further, every root antenna of Equations of The Second Kind antenna sets is: by the virtual generation of all or part of antenna of first kind antenna sets.

Further, terminal receives the relevant information of first kind antenna sets pilot signal, and the method also comprises: terminal receives first kind antenna sets pilot signal based on the pilot signal related information of first kind antenna sets.

Further, terminal receives Equations of The Second Kind antenna sets pilot signal related information, and the method also comprises: based on the pilot signal related information of Equations of The Second Kind antenna sets, and described terminal receives Equations of The Second Kind antenna sets pilot signal.

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

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

Further, M terminal receives the pilot signal corresponding to described first kind antenna sets, and the method also comprises: receive the pilot signal corresponding to the first kind antenna sets of other M-Q terminal by wherein Q terminal.

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

Further, terminal receives the pilot signal of described first kind antenna sets, and generate the channel condition information of described first kind antenna sets, the method also comprises, and described terminal receives the channel condition information of the first kind antenna sets of other-end.

Again on the one hand, the application also provides a kind of system realizing space division multiplexing, comprising: a base station and some terminals; Wherein,

Base station, for sending the pilot signal of cycle transmission first kind antenna sets to terminal according to first; The pilot signal of Equations of The Second Kind antenna sets is generated according to the channel state feedback information of first kind antenna sets; Be less than the second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal;

Terminal, for receiving the pilot signal of first kind antenna sets, and the channel state feedback information of the first kind antenna sets sent is to base station; Receive the pilot signal of Equations of The Second Kind antenna sets.

Further, described base station, also for generating the pilot signal of the 3rd class antenna sets according to the channel state feedback information of Equations of The Second Kind antenna sets;

Described terminal, also for the channel state feedback information of Equations of The Second Kind antenna sets that sends to base station; Receive and according to the pilot signal of the 3rd class antenna sets, carry out the demodulation of data channel.

Further, the number of antennas of Equations of The Second Kind antenna sets is less than the number of antennas of described first kind antenna sets.

Further, first kind antenna sets is: the physical antenna of actual disposition or, carried out the logical antenna of virtual rear generation by the physical antenna of actual disposition;

Equations of The Second Kind antenna sets is: the antenna all or part of antenna of first kind antenna sets being carried out virtual generation is formed.

Further, base station, also for sending first kind antenna sets pilot signal related information to described terminal;

Terminal, also for receiving first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.

Further, base station, also for sending Equations of The Second Kind antenna sets pilot signal related information to described terminal;

Terminal, also for receiving Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

Further, the pilot signal sending first kind antenna sets comprises: described base station adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

Further, the pilot signal sending first kind antenna sets comprises to terminal: described base station adopts identical or different antenna to send the pilot signal of first kind antenna sets in the first different transmission cycles;

Send the pilot signal of Equations of The Second Kind antenna sets; Comprise: base station adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets within the different transmission cycles.

Further, end side comprises N number of described terminal, determines M in the N number of terminal pilot signal receiving first kind antenna sets by base station; Wherein, M is less than or equal to N.

Further, by all or part of terminal of N number of terminal, share the channel condition information of respective described first kind antenna sets.

Further, X the terminal determined in a described M terminal by base station uses identical resource to send the channel feedback information of the pilot signal of first kind antenna sets; Wherein, X is less than or equal to M.

Further, the channel feedback information of first kind antenna sets is: generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

Further, M terminal, time also for receiving the pilot signal corresponding to described first kind antenna sets, receives the pilot signal corresponding to the first kind antenna sets of other M-Q terminal by wherein Q terminal.

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

Again on the one hand, the application also provides a kind of base station realizing space division multiplexing, comprising: sending module, receiver module; Wherein,

Sending module, for sending the pilot signal of cycle transmission first kind antenna sets to terminal according to first; Be less than the second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal;

Receiver module, for the channel state feedback information of the pilot signal of the reception first kind antenna sets of receiving terminal transmission.

Further, receiver module, the pilot signal of the reception Equations of The Second Kind antenna sets also sent for receiving terminal, the channel state feedback information of Equations of The Second Kind antenna sets;

Pilot signal module, also for generating the pilot signal of the 3rd class antenna sets according to the channel state feedback information of Equations of The Second Kind antenna sets.

Further, the number of antennas of first kind antenna sets is less than the number of antennas of Equations of The Second Kind antenna sets.

Further, this base station also comprises virtualization modules, for being undertaken virtual according to determining unit by all or part of antenna of first kind antenna sets, to generate at least one Equations of The Second Kind antenna sets that number of antennas is less than first kind antenna sets.

Further, sending module, also for based on first kind antenna sets pilot signal related information pilot signal transmitted to described terminal.

Further, sending module, also for based on Equations of The Second Kind antenna sets pilot signal related information pilot signal transmitted to described terminal.

Further, the pilot signal sending first kind antenna sets specifically comprises: transmitting element adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets;

The pilot signal sending Equations of The Second Kind antenna sets specifically comprises: described transmitting element adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

Further, end side includes N number of terminal, and base station also comprises terminal deciding module, for determining the pilot signal receiving first kind antenna sets by the M in N number of terminal;

Receiving element, for receiving the channel feedback information of the pilot signal of the reception first kind antenna sets of X terminal in a described M terminal;

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

Further, the receiving element of X terminal in M terminal receives the channel feedback information of the pilot signal of first kind antenna sets, specifically comprises: use the receiving element of X terminal in M terminal described in identical resource to receive the channel feedback information of the pilot signal of first kind antenna sets.

Further, this base station also comprises terminal and receives and arrange module, receives pilot signal corresponding to described first kind antenna sets for arranging by a described M terminal, and wherein Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

Again on the one hand, the application also provides a kind of terminal realizing space division multiplexing, comprising: transmitting element, receiving element; Wherein,

Receiving element, for receiving the pilot signal of first kind antenna sets according to the first receiving cycle; Be less than second receiving cycle in the first transmission cycle according to the cycle, receive the pilot signal of the Equations of The Second Kind antenna sets that base station sends;

Transmitting element, for the channel state feedback information of first kind antenna sets that sends to base station; The channel state feedback information of the Equations of The Second Kind antenna sets sent is to base station.

Further, transmitting element, also for the channel state feedback information of Equations of The Second Kind antenna sets that sends to base station;

Receiving element, also generates the pilot signal of the 3rd class antenna sets for receiving base station;

This terminal also comprises data demodulation unit, for the pilot signal of the 3rd class antenna sets according to receiving element, carries out the demodulation of data channel.

Further, every root antenna of Equations of The Second Kind antenna sets, by the virtual generation of all or part of antenna of first kind antenna sets.

Further, terminal also comprises channel status acquiring unit, for obtaining channel condition information; Described Equations of The Second Kind antenna sets channel state feedback information is: during the Equations of The Second Kind antenna sets pilot signal sent by base station, and the channel condition information obtained by channel status acquiring unit generates.

Further, Equations of The Second Kind antenna sets channel state feedback packets of information contains: precoding matrix information and/or, channel quality information and/or, channel rank information and/or, the relevant information of Equations of The Second Kind antenna sets.

Further, terminal is bag channel status shared cell also, for sharing the first kind antenna sets channel condition information that described channel status acquiring unit obtains.

Further, receiving element, also for receiving the first kind antenna sets pilot signal related information that described base station sends; First kind antenna sets pilot signal is received based on first kind antenna sets pilot signal related information;

Further, receiving element, also for receiving the Equations of The Second Kind antenna sets pilot signal related information that described base station sends, receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

Further, end side includes N number of terminal, determines by the receiving element of M terminal in described N number of terminal, for receiving the pilot signal of first kind antenna sets by described base station;

The receiving element of X terminal in M terminal, for receiving the pilot signal of first kind antenna sets; Described transmitting element, for sending the channel feedback information of a described X terminal to described base station;

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

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

Further, the channel feedback information sending X terminal comprises to described base station: transmitting element adopts identical resource to send the channel feedback information of a described X terminal to described base station.

Further, base station is determined to receive pilot signal corresponding to described first kind antenna sets by the receiving element of M terminal, and wherein the receiving element of Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

Further, receiver module, also for receiving the channel condition information of the first kind antenna sets of other-end.

The application proposes a kind of technical scheme, comprising: base station sends the pilot signal of cycle transmission first kind antenna sets to terminal according to first; The pilot signal of the reception first kind antenna sets sent based on terminal, the channel state feedback information of first kind antenna sets; Generate the pilot signal of Equations of The Second Kind antenna sets; Be less than the second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.The application also comprises the terminal corresponding with method, base station and system.The present invention sends the cycle by employing second and was less than for the first transmission cycle, carries out the transmission of pilot signal, achieves the pilot-frequency expense reducing space division multiplexing.By virtual method, reduce the implementation complexity of system.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:

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

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

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 that base station side of the present invention realizes the embodiment 1 of space division multiplexing;

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

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

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

Embodiment

Need explanation, in the present invention, " antenna " also can be understood as " port ", every root antenna can be made up of one or more a period of time, such as sending same reference signal (pilot signal) a period of time or physical antenna, also can be the logical antenna that multiple physical antenna is formed by Intel Virtualization Technology.One group of identical antenna also can use that different precodings is virtual turns to multiple different antenna port.

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

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

In this step, the pilot signal sending first kind antenna sets is: base station adopts identical or different antenna to send the pilot signal of first kind antenna sets in the first different transmission cycles.

Base station sends the pilot signal related information of first kind antenna sets to described terminal, and the inventive method also comprises: terminal receives first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.Here, the pilot signal related information generating first kind antenna sets belongs to the conventional techniques means of those skilled in the art, repeats no more here.

It should be noted that, first kind antenna sets of the present invention is: the physical antenna of actual disposition or, carried out the logical antenna of virtual rear generation by the physical antenna of actual disposition.And in the inventive method, the pilot tone of first kind antenna sets sends resource location and is: carry out selecting from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

Step 101, the channel state feedback information of pilot signal of reception first kind antenna sets sent based on terminal, generate the pilot signal of Equations of The Second Kind antenna sets.

In this step, first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between terminal and first kind antenna sets.

In this step, generate the conventional techniques means that pilot signal belongs to those skilled in the art, the protection range be not intended to limit the present invention, repeats no more here.

Step 102, be less than second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.

Base station sends Equations of The Second Kind antenna sets pilot signal related information to terminal, and the inventive method also comprises: terminal receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

The pilot signal sending Equations of The Second Kind antenna sets to: base station adopts identical or different antenna to send the pilot signal of Equations of The Second Kind antenna sets within the second different transmission cycles.

It should be noted that, the pilot tone of Equations of The Second Kind antenna sets of the present invention sends resource location and is: select from one group of predefined pattern or, according to generating random number.

It should be noted that, second transmission cycle was designed in conjunction with practical application scene, according to pilot-frequency expense, if when pilot-frequency expense has influence on the performance of large-scale antenna array system, sending density by strengthening Equations of The Second Kind antenna sets pilot signal, reducing by second and sending cycle duration, thus shortened for the second transmission cycle, reach the object reducing pilot-frequency expense, this part is the conventional techniques means of those skilled in the art, does not repeat them here.

After the pilot signal sending Equations of The Second Kind antenna sets to terminal, the channel state feedback information of pilot signal of the reception Equations of The Second Kind antenna sets that the inventive method also comprises, send based on terminal, generate the pilot signal of the 3rd class antenna sets, carry out data channel demodulation to be supplied to terminal.

It should be noted that, the inventive method Equations of The Second Kind antenna sets channel state feedback packets of information contains: precoding matrix information and/or, channel quality information and/or, channel rank information and/or, the relevant information of Equations of The Second Kind antenna sets.

The pilot signal of the 3rd class antenna sets sends position: select from one group of predefined pattern or, according to generating random number.

The inventive method also comprises: the number of antennas of Equations of The Second Kind antenna sets is less than the number of antennas of first kind antenna sets;

Further, Equations of The Second Kind antenna sets is: the antenna being carried out virtual generation by all or part of antenna of first kind antenna sets is formed.

It should be noted that, expected easily by the inventive method, be less than or equal to the number of antennas of the 3rd class antenna sets by the number of antennas of Equations of The Second Kind antenna sets.3rd class antenna sets is: carry out virtual generation antenna by all or part of antenna of Equations of The Second Kind antenna sets and form.The number of antennas of Equations of The Second Kind antenna sets is less than first kind antenna sets number in addition, there is identical variation tendency with the first transmission cycle of pilot signal transmitted and the second transmission cycle.That is, when transmission cycle duration shortens, then in order to reach object of the present invention, the number of antennas of general antenna sets also can correspondingly reduce.

In above step, during according to generating random number, random number is relevant with system parameters.Wherein, system parameters comprises: cell ID, frame identification, subframe mark, system bandwidth.

End side includes N number of terminal, and the inventive method also comprises: the pilot signal being received first kind antenna sets by the M in N number of terminal terminal; Wherein, M is less than or equal to N.

The inventive method also comprises: all or part of by N number of terminal, shares the channel condition information of respective first kind antenna sets.

Further, the inventive method also comprises: use identical resource to send the channel feedback information of first kind antenna sets pilot signal by X terminal in M terminal; Wherein, X is less than or equal to M.

Further, the channel feedback information of 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.

M terminal receives the pilot signal corresponding to described first kind antenna sets, and the inventive method also comprises: wherein Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

Terminal receives the pilot signal of first kind antenna sets, and generate the channel condition information of first kind antenna sets, the inventive method also comprises, and terminal receives the channel condition information of the first kind antenna sets of other-end.

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

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

First kind antenna sets channel state feedback information is: the information generated by the first kind antenna sets channel condition information of all or part of terminal of N number of terminal.Here N number of terminal, is the number of all terminals of end side, has corresponding value according to actual conditions.

Step 201, be less than the second receiving cycle of the first receiving cycle according to the cycle, receive the pilot signal of the Equations of The Second Kind antenna sets that base station generates, and the channel state feedback information of the Equations of The Second Kind antenna sets sent be to base station.

It should be noted that, in the inventive method, Equations of The Second Kind antenna sets channel state feedback information is: when terminal receives the Equations of The Second Kind antenna sets pilot signal of base station transmission, generates Equations of The Second Kind antenna sets channel state feedback information according to the channel condition information obtained.

Equations of The Second Kind antenna sets channel state feedback packets of information contains: precoding matrix information and/or, channel quality information and/or, channel rank information and/or, the relevant information of Equations of The Second Kind antenna sets.

Send the channel state feedback information of Equations of The Second Kind antenna sets behind base station, the inventive method also comprises: terminal receives the pilot signal that base station generates the 3rd class antenna sets, and carries out the demodulation of data channel according to the pilot signal of the 3rd class antenna sets.

Terminal receives the pilot signal that base station generates the 3rd class antenna sets, and the inventive method also comprises: terminal carries out the demodulation of data channel according to the pilot signal of the 3rd class antenna sets.

The inventive method also comprises: the number of antennas of Equations of The Second Kind antenna sets is less than first kind antenna sets.

It should be noted that, be easy to expect by the inventive method, the number of antennas of the 3rd class antenna sets and the number of antennas relation of Equations of The Second Kind antenna sets and processing method, the number of antennas of the 3rd class antenna sets is less than or equal to Equations of The Second Kind antenna sets.Every root antenna of the 3rd class antenna sets, by the virtual generation of all or part of antenna of Equations of The Second Kind antenna sets.

Terminal receives the relevant information of first kind antenna sets pilot signal, and the inventive method also comprises: the pilot signal related information based on first kind antenna sets receives first kind antenna sets pilot signal.

It should be noted that, in the inventive method, the pilot tone of first kind antenna sets sends resource location and is: carry out selecting from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

Terminal receives the relevant information of Equations of The Second Kind antenna sets pilot signal, and the inventive method also comprises: the pilot signal related information based on Equations of The Second Kind antenna sets receives Equations of The Second Kind antenna sets pilot signal.

Pilot signal related information corresponding to Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

It should be noted that, the pilot tone of the inventive method Equations of The Second Kind antenna sets sends resource location and is: select from one group of predefined pattern or, according to generating random number.

It is relevant with system parameters according to the random number in generating random number that above-mentioned pilot tone sends resource location; System parameters comprises: cell ID, frame identification, subframe mark, system bandwidth.

End side includes N number of terminal, and the inventive method also comprises: 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.

The inventive method also comprises: all or part of by described N number of terminal, shares the channel condition information of respective first kind antenna sets.

Further, by the channel feedback information of X terminal in a described M terminal by using identical resource to send first kind antenna sets pilot signal; Wherein, X is less than or equal to M.

The inventive method also comprises, and M terminal receives the pilot signal corresponding to first kind antenna sets, and the inventive method also comprises: receive the pilot signal corresponding to the first kind antenna sets of other M-Q terminal by wherein Q terminal.

Fig. 3 is the system architecture diagram that the present invention realizes space division multiplexing, as shown in Figure 3, comprising: a base station and some terminals; Wherein,

Base station, for sending the pilot signal of cycle transmission first kind antenna sets to terminal according to first; The pilot signal of Equations of The Second Kind antenna sets is generated according to the channel state feedback information of first kind antenna sets; Be less than the second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.

The pilot signal sending first kind antenna sets comprises: base station adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

Send the pilot signal of Equations of The Second Kind antenna sets; Comprise: base station adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

First kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between terminal and first kind antenna sets.

Base station, also for the channel state feedback information of Equations of The Second Kind antenna sets that sends to base station; The pilot signal of the 3rd class antenna sets is generated according to the channel state feedback information of Equations of The Second Kind antenna sets.

Terminal, also for receiving and according to the pilot signal of the 3rd class antenna sets, carrying out the demodulation of data channel.

It should be noted that, the pilot signal of the 3rd class antenna sets sends position and is: select from one group of predefined pattern or, according to generating random number.

Further, the number of antennas of Equations of The Second Kind antenna sets is less than the number of antennas of first kind antenna sets.

First kind antenna sets is: the physical antenna of actual disposition or, carried out the logical antenna of virtual rear generation by the physical antenna of actual disposition.

It should be noted that, the 3rd class antenna sets also can, according to the method for Equations of The Second Kind antenna sets, be carried out setting and generating, and the number of antennas of concrete Equations of The Second Kind antenna sets is less than or equal to the number of antennas of described 3rd class antenna sets.3rd class antenna sets is: the 3rd class antenna sets of all or part of antenna of Equations of The Second Kind antenna sets being carried out virtual generation.

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

It should be noted that, in present system, the pilot tone of first kind antenna sets sends resource location and is: carry out selecting from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

Base station, also for sending Equations of The Second Kind antenna sets pilot signal related information to terminal.

It should be noted that, the pilot signal of Equations of The Second Kind antenna sets of the present invention sends position and is: select from one group of predefined pattern or, according to generating random number.

It is that wherein random number is relevant with system parameters according to generating random number that above-mentioned pilot signal sends position; System parameters comprises: cell ID, frame identification, subframe mark, system bandwidth.

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

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

Further, X the terminal determined in M terminal by base station uses identical resource to send the channel feedback information of the pilot signal of first kind antenna sets.

The channel feedback information of 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.

Receive the pilot signal corresponding to described first kind antenna sets by M terminal, wherein Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

Terminal, also for receiving 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, comprising: sending module and receiver module; Wherein,

Sending module, for sending the pilot signal of cycle transmission first kind antenna sets to terminal according to first; Be less than the second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.

The pilot signal sending first kind antenna sets specifically comprises: sending module adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets to terminal.

Send the pilot signal of Equations of The Second Kind antenna sets, specifically comprise: sending module adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

It should be noted that, receiver module of the present invention, for the channel state feedback information of the pilot signal of the reception Equations of The Second Kind antenna sets of receiving terminal transmission.

First kind antenna sets comprises: the physical antenna of actual disposition or, carried out the logical antenna of virtual rear generation by the physical antenna of actual disposition.

The number of antennas of first kind antenna sets is less than the number of antennas of Equations of The Second Kind antenna sets.

Base station of the present invention also comprises virtualization modules, for being undertaken virtual according to antenna determination module by all or part of antenna of first kind antenna sets, to generate at least one Equations of The Second Kind antenna sets that number of antennas is less than first kind antenna sets.

It should be noted that, adopt the inventive method, can be easy to expect, by virtualization modules, be less than or equal to the number of antennas of the 3rd class antenna sets in the number of antennas of Equations of The Second Kind antenna sets.The all or part of antenna of Equations of The Second Kind antenna sets is carried out virtual, to generate the 3rd class antenna sets that number of antennas is less than or equal to Equations of The Second Kind antenna sets.

Further, first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between terminal and first kind antenna sets.

Sending module, also for based on first kind antenna sets pilot signal related information pilot signal transmitted to terminal.

First kind antenna sets pilot signal related information comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

It should be noted that, the pilot tone of first kind antenna sets of the present invention sends resource location and is: carry out selecting from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

Sending module, also for based on Equations of The Second Kind antenna sets pilot signal related information pilot signal transmitted to terminal.

It should be noted that, the pilot signal of Equations of The Second Kind antenna sets of the present invention sends position and is: select from one group of predefined pattern or, according to generating random number.Wherein according in generating random number, random number is relevant with system parameters; System parameters comprises: cell ID, frame identification, subframe mark, system bandwidth.

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

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

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

Receive the channel feedback information of the pilot signal of the reception first kind antenna sets of X terminal in M terminal, specifically comprise: the channel feedback information of pilot signal that use X terminal in receiving element reception M terminal described in identical resource, that receive first kind antenna sets.

Base station of the present invention also comprises terminal and receives and arrange module, and for arranging the pilot signal corresponding to M terminal reception first kind antenna sets, wherein Q terminal receives the pilot signal corresponding to 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, comprising: transmitting element, receiving element; Wherein,

Receiving element, for receiving the pilot signal of first kind antenna sets according to the first receiving cycle; Be less than second receiving cycle in the first transmission cycle according to the cycle, receive the pilot signal of the Equations of The Second Kind antenna sets that base station sends.

Transmitting element, for the channel state feedback information of first kind antenna sets that sends to base station.

Transmitting element, also for the channel state feedback information of Equations of The Second Kind antenna sets that sends to base station.

Receiving element, also generates the pilot signal of the 3rd class antenna sets for receiving base station.

Terminal of the present invention also comprises data demodulation unit, for the pilot signal according to the 3rd class antenna sets, carries out the demodulation of data channel.

It should be noted that, the number of antennas of Equations of The Second Kind antenna sets of the present invention is less than first kind antenna sets; Every root antenna of Equations of The Second Kind antenna sets, by the virtual generation of all or part of antenna of first kind antenna sets.

It should be noted that, be easy to expect by the inventive method, Equations of The Second Kind antenna sets is less than or equal to for the 3rd class antenna sets number of antennas, adopts the inventive method can realize every root antenna of the 3rd class antenna sets, by the virtual generation of all or part of antenna of Equations of The Second Kind antenna sets.

Terminal of the present invention also comprises channel status acquiring unit, for obtaining channel condition information; Equations of The Second Kind antenna sets channel state feedback information is: during the Equations of The Second Kind antenna sets pilot signal sent by base station, and the channel condition information obtained by channel status acquiring unit generates.

Terminal of the present invention is bag channel status shared cell also, for the first kind antenna sets channel condition information that shared channel state acquiring unit obtains.

Receiving element, also for receiving the first kind antenna sets pilot signal related information that base station sends; First kind antenna sets pilot signal is received based on first kind antenna sets pilot signal related information;

The pilot tone of Equations of The Second Kind antenna sets sends resource location: select from one group of predefined pattern or, according to generating random number.

Above-mentioned pilot tone sends according in generating random number in resource location, and random number is relevant with system parameters; System parameters comprises: cell ID, frame identification, subframe mark, system bandwidth.

Receiving element, also for receiving the Equations of The Second Kind antenna sets pilot signal related information that described base station sends, receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

End side includes N number of terminal, determines by the receiving element of the terminal of the M in N number of terminal by base station, for receiving the pilot signal of first kind antenna sets.

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

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

All or part of by N number of terminal, shares the channel condition information of respective first kind antenna sets.

Transmitting element, the channel feedback information sending X terminal comprises to base station: transmitting element, adopts identical resource to send the channel feedback information of X terminal to base station.

The pilot signal corresponding to the receiving element reception first kind antenna sets of M terminal is determined in base station, and wherein the receiving element of Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

Receiver module, also for receiving the channel condition information of the first kind antenna sets of other-end.

Specific embodiment below by base station side further describes the inventive method.

Embodiment 1

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

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

In this step, first kind antenna sets is: the physical antenna of actual disposition or, carried out the logical antenna of virtual rear generation by the physical antenna of actual disposition.

Step 601, the channel state feedback information of pilot signal of reception first kind antenna sets sent based on terminal, generate the pilot signal of Equations of The Second Kind antenna sets.

Step 602, be less than second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.

Step 603, the channel state feedback information of pilot signal of reception Equations of The Second Kind antenna sets sent based on terminal; Generate the pilot signal of the 3rd class antenna sets, carry out data channel demodulation to be supplied to terminal.

Further, terminal receives the relevant information of first kind antenna sets pilot signal; Pilot signal related information based on first kind antenna sets receives first kind antenna sets pilot signal; Afterwards,

Further, the number of antennas of Equations of The Second Kind antenna sets is less than the number of antennas of first kind antenna sets; Equations of The Second Kind antenna sets is: the antenna all or part of antenna of first kind antenna sets being carried out virtual generation is formed.

In like manner, base station determines that the number of antennas of Equations of The Second Kind antenna sets is less than or equal to the number of antennas of the 3rd class antenna sets.3rd class antenna sets is: the antenna all or part of antenna of Equations of The Second Kind antenna sets being carried out virtual generation is formed; Afterwards,

Further, when first kind antenna sets and Equations of The Second Kind antenna sets are carried out virtual,

Embodiment 2

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

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

Step 701, the channel state feedback information of pilot signal of reception first kind antenna sets sent based on terminal, generate the pilot signal of Equations of The Second Kind antenna sets.

Step 702, be less than second transmission cycle in the first transmission cycle according to the cycle, send the pilot signal of Equations of The Second Kind antenna sets to terminal.

Step 703, base station send Equations of The Second Kind antenna sets pilot signal related information to terminal, and terminal receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

In like manner, the number of antennas of Equations of The Second Kind antenna sets is less than or equal to the number of antennas of the 3rd class antenna sets.3rd class antenna sets is: the antenna all or part of antenna of Equations of The Second Kind antenna sets being carried out virtual generation is formed; Afterwards,

Embodiment 3

The present embodiment, is described in detail better to realize technique effect part of the present invention to the determination receiving pilot signal terminal in conjunction with base station side.

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

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

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

Base station receive X terminal in M terminal, the channel feedback information of the pilot signal of reception first kind antenna sets; Wherein, X is less than or equal to M.

Further, identical resource is used to receive the channel feedback information of the pilot signal of first kind antenna sets by X terminal in M terminal; Afterwards,

Further, the channel feedback information of 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; Afterwards,

Further, N number of terminal all or part of, shares the channel condition information of respective described first kind antenna sets;

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 the inventive method subsequent step.

Embodiment 4

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

In step 600, step 700, further, the pilot signal related information of first kind antenna sets comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

Wherein, the pilot tone of first kind antenna sets sends resource location and is: carry out selecting from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

Random number is relevant with system parameters; System parameters comprises: cell ID, frame identification, subframe mark, system bandwidth.

Embodiment 5

On the basis that the present embodiment is combined by embodiment 2 and embodiment 4 scheme in example 4, carry out the determination of preferred version for step 703.

Namely further, pilot signal related information corresponding to Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

Base station sends Equations of The Second Kind antenna sets pilot signal related information to terminal, receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information terminal;

Specific embodiment below by end side further describes the inventive method.

Embodiment 1

Fig. 8 is the flow chart that end side of the present invention realizes the embodiment 1 of space division multiplexing, as shown in Figure 8, comprising:

Step 800, terminal receive the pilot signal of first kind antenna sets according to the first receiving cycle, and the channel state feedback information of the first kind antenna sets of transmission is to base station.

Step 801, be less than second receiving cycle in the first transmission cycle according to the cycle, receive the pilot signal of the Equations of The Second Kind antenna sets that base station generates; The channel state feedback information of the Equations of The Second Kind antenna sets sent is to base station.

Step 802, terminal receive the pilot signal that base station generates the 3rd class antenna sets, and carry out the demodulation of data channel according to the pilot signal of the 3rd class antenna sets.

Further, in above-mentioned execution mode, the number of antennas of Equations of The Second Kind antenna sets is less than first kind antenna sets; Afterwards,

In like manner, the number of antennas of the 3rd class antenna sets is less than or equal to Equations of The Second Kind antenna sets.Every root antenna of the 3rd class antenna sets, by the virtual generation of all or part of antenna of Equations of The Second Kind antenna sets.

Embodiment 2

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

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

Step 901, terminal receive the relevant information of first kind antenna sets pilot signal, and the pilot signal related information based on first kind antenna sets receives first kind antenna sets pilot signal according to the first receiving cycle.

Step 902, terminal receive the relevant information of Equations of The Second Kind antenna sets pilot signal.

Step 903, terminal, based on Equations of The Second Kind antenna sets pilot signal related information, are less than second receiving cycle in the first transmission cycle according to the cycle, receive the pilot signal of the Equations of The Second Kind antenna sets that base station generates; And the channel state feedback information of the Equations of The Second Kind antenna sets sent is to base station.

Step 904, terminal receive the pilot signal that base station generates the 3rd class antenna sets, and carry out the demodulation of data channel according to the pilot signal of the 3rd class antenna sets.

Further, first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between terminal and first kind antenna sets; Afterwards,

Further, in above-mentioned execution mode, the number of antennas of the Equations of The Second Kind antenna sets determined by base station is less than first kind antenna sets.

In like manner, the number of antennas of the 3rd class antenna sets is less than or equal to Equations of The Second Kind antenna sets.

In like manner, every root antenna of the 3rd class antenna sets, by the virtual generation of all or part of antenna of Equations of The Second Kind antenna sets.

Embodiment 3

All or part of the carrying out determined by base station in end side for pilot signal receives and processes, and with the present embodiment preferably, is described in detail this part.

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

X terminal in M terminal, the pilot signal that receives first kind antenna sets, and transmitting channel feedback information is to described base station;

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

Further, all or part of by N number of terminal, shares the channel condition information of respective first kind antenna sets; Afterwards,

Further, the channel feedback information of 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; Afterwards,

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

Further, X terminal in M terminal, the pilot signal that receives first kind antenna sets, and by identical resource transmitting channel feedback information to described base station.

Embodiment 4

Based on embodiment 2, resource location is sent to the pilot signal related information of first kind antenna sets and pilot signal related information and limits, form the present embodiment.Specifically comprise:

The pilot tone of first kind antenna sets sends resource location: carry out selecting from one group of predefined pattern or, according to generating random number or, by systemic presupposition.

Further, random number is relevant with system parameters; System parameters comprises: cell ID, frame identification, subframe mark, system bandwidth; Afterwards,

Although the execution mode disclosed by the application is as above, the execution mode that described content only adopts for ease of understanding the application, and be not used to limit the application.Those of skill in the art belonging to any the application; under the prerequisite not departing from the spirit and scope disclosed by the application; any amendment and change can be carried out in the form implemented and details; but the scope of patent protection of the application, the scope that still must define with appending claims is as the criterion.

Claims

1. realize a method for space division multiplexing, it is characterized in that, comprising:

2. method according to claim 1, it is characterized in that, after the pilot signal sending Equations of The Second Kind antenna sets to terminal, the method also comprises: based on the channel state feedback information of the pilot signal of the reception Equations of The Second Kind antenna sets of terminal transmission, generate the pilot signal of the 3rd class antenna sets, carry out data channel demodulation to be supplied to terminal.

3. method according to claim 1, is characterized in that, the method also comprises:

The number of antennas of described Equations of The Second Kind antenna sets is less than the number of antennas of first kind antenna sets.

4. the method according to claim 1 or 3, is characterized in that, described first kind antenna sets is: the physical antenna of actual disposition; Or,

Described Equations of The Second Kind antenna sets is: the antenna being carried out virtual generation by all or part of antenna of first kind antenna sets is formed.

5. the method according to claim 1 or 3, is characterized in that, described first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between described terminal and described first kind antenna sets.

6. the method according to claim 1 or 3, it is characterized in that, described base station sends the pilot signal related information of first kind antenna sets to described terminal, and the method also comprises: described terminal receives first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.

7. method according to claim 6, it is characterized in that, described first kind antenna sets pilot signal related information comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

8. the method according to claim 1 or 3, it is characterized in that, described base station sends Equations of The Second Kind antenna sets pilot signal related information to described terminal, and the method also comprises: described terminal receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

9. method according to claim 8, it is characterized in that, pilot signal related information corresponding to described Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

10. the method according to claim 1 or 3, is characterized in that, the pilot signal of described transmission first kind antenna sets is: described base station adopts identical or different antenna to send the pilot signal of first kind antenna sets in the first different transmission cycles;

The pilot signal of described transmission Equations of The Second Kind antenna sets is: described base station adopts identical or different antenna to send the pilot signal of Equations of The Second Kind antenna sets within the second different transmission cycles.

11. methods according to claim 1 or 3, it is characterized in that, end side includes N number of terminal, and the method also comprises: the pilot signal being received described first kind antenna sets by the terminal of the M in N number of terminal; Wherein, M is less than or equal to N.

12. methods according to claim 11, it is characterized in that, the method also comprises: described N number of terminal all or part of, shares the channel condition information of respective described first kind antenna sets.

13. methods according to claim 12, it is characterized in that, the method also comprises: use identical resource to send the channel feedback information of first kind antenna sets pilot signal by X terminal in a described M terminal; Wherein, X is less than or equal to M.

14. methods according to claim 13, is characterized in that, the channel feedback information of described first kind antenna sets is: the information generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

15. methods according to claim 12, is characterized in that, M terminal receives the pilot signal corresponding to described first kind antenna sets, and the method also comprises: wherein Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

16. methods according to claim 1, it is characterized in that, described terminal receives the pilot signal of described first kind antenna sets, generates the channel condition information of described first kind antenna sets, the method also comprises, and described terminal receives the channel condition information of the first kind antenna sets of other-end.

17. 1 kinds of methods realizing space division multiplexing, is characterized in that, comprising:

18. methods according to claim 17, is characterized in that, described terminal receives the pilot signal that base station generates the 3rd class antenna sets, and the method also comprises: described terminal carries out the demodulation of data channel according to the pilot signal of the 3rd class antenna sets.

19. methods according to claim 17, is characterized in that, the number of antennas of described Equations of The Second Kind antenna sets is less than first kind antenna sets.

20. methods according to claim 19, is characterized in that, every root antenna of described Equations of The Second Kind antenna sets is: by the virtual generation of all or part of antenna of first kind antenna sets.

21. methods according to claim 17 or 19, it is characterized in that, described first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between described terminal and described first kind antenna sets.

22. methods according to claim 17 or 19, it is characterized in that, described terminal receives the relevant information of first kind antenna sets pilot signal, and the method also comprises: described terminal receives first kind antenna sets pilot signal based on the pilot signal related information of first kind antenna sets.

23. methods according to claim 22, it is characterized in that, described first kind antenna sets pilot signal related information comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

24. methods according to claim 17 or 19, it is characterized in that, described terminal receives Equations of The Second Kind antenna sets pilot signal related information, and the method also comprises: based on the pilot signal related information of Equations of The Second Kind antenna sets, and described terminal receives Equations of The Second Kind antenna sets pilot signal.

25. methods according to claim 24, it is characterized in that, pilot signal related information corresponding to described Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

26. methods according to claim 17, is characterized in that, end side includes N number of terminal, and the method also comprises: M terminal in described N number of terminal receives the pilot signal of first kind antenna sets; Wherein, M is less than or equal to N.

27. methods according to claim 26, it is characterized in that, the method also comprises: described N number of terminal all or part of, shares the channel condition information of respective described first kind antenna sets.

28. methods according to claim 26, is characterized in that, by the channel feedback information of X terminal in a described M terminal by using identical resource to send first kind antenna sets pilot signal; Wherein, X is less than or equal to M.

29. methods according to claim 26, is characterized in that, the channel feedback information of described first kind antenna sets is: the information generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

30. methods according to claim 26, is characterized in that, M terminal receives the pilot signal corresponding to described first kind antenna sets, and the method also comprises: receive the pilot signal corresponding to the first kind antenna sets of other M-Q terminal by wherein Q terminal.

31. methods according to claim 17, is characterized in that, terminal receives the pilot signal of first kind antenna sets according to the first receiving cycle, and the channel state feedback information of the first kind antenna sets sent is to other-end.

32. methods according to claim 17, it is characterized in that, terminal receives the pilot signal of described first kind antenna sets, generates the channel condition information of described first kind antenna sets, the method also comprises, and described terminal receives the channel condition information of the first kind antenna sets of other-end.

33. 1 kinds of systems realizing space division multiplexing, is characterized in that, comprising: a base station and some terminals; Wherein,

34. systems according to claim 33, is characterized in that,

Described base station, also for generating the pilot signal of the 3rd class antenna sets according to the channel state feedback information of Equations of The Second Kind antenna sets;

35. systems according to claim 33, is characterized in that, the number of antennas of described Equations of The Second Kind antenna sets is less than the number of antennas of described first kind antenna sets.

36. methods according to claim 35, is characterized in that, described first kind antenna sets is: the physical antenna of actual disposition or, carried out the logical antenna of virtual rear generation by the physical antenna of actual disposition;

Described Equations of The Second Kind antenna sets is: the antenna all or part of antenna of first kind antenna sets being carried out virtual generation is formed.

37. systems according to claim 33 or 35, it is characterized in that, described first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between described terminal and described first kind antenna sets.

38. systems according to claim 33 or 35, is characterized in that, described base station, also for sending first kind antenna sets pilot signal related information to described terminal;

Described terminal, also for receiving first kind antenna sets pilot signal based on first kind antenna sets pilot signal related information.

39. systems according to claim 33 or 35, it is characterized in that, described first kind antenna sets pilot signal related information comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

40. systems according to claim 33 or 35, is characterized in that, described base station, also for sending Equations of The Second Kind antenna sets pilot signal related information to described terminal;

Described terminal, also for receiving Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

41. systems according to claim 33 or 35, it is characterized in that, pilot signal related information corresponding to described Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

42. systems according to claim 33 or 35, it is characterized in that, the pilot signal of described transmission first kind antenna sets comprises: described base station adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

43. systems according to claim 33 or 35, it is characterized in that, the pilot signal of described transmission first kind antenna sets comprises to terminal: described base station adopts identical or different antenna to send the pilot signal of first kind antenna sets in the first different transmission cycles;

The pilot signal of described transmission Equations of The Second Kind antenna sets; Comprise: described base station adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets within the different transmission cycles.

44. systems according to claim 33 or 35, it is characterized in that, end side comprises N number of described terminal, determines M in the described N number of terminal pilot signal receiving first kind antenna sets by base station; Wherein, M is less than or equal to N.

45. systems according to claim 44, is characterized in that, by all or part of terminal of described N number of terminal, share the channel condition information of respective described first kind antenna sets.

46. systems according to claim 44, is characterized in that, X the terminal determined in a described M terminal by base station uses identical resource to send the channel feedback information of the pilot signal of first kind antenna sets; Wherein, X is less than or equal to M.

47. systems according to claim 44, is characterized in that, the channel feedback information of described first kind antenna sets is: generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

48. systems according to claim 44, is characterized in that, a described M terminal, time also for receiving the pilot signal corresponding to described first kind antenna sets, receive the pilot signal corresponding to the first kind antenna sets of other M-Q terminal by wherein Q terminal.

49. systems according to claim 33, is characterized in that, described terminal, also for receiving the channel condition information of the first kind antenna sets of other-end.

50. 1 kinds of base stations realizing space division multiplexing, is characterized in that, comprising: sending module, receiver module; Wherein,

51. base stations according to claim 50, is characterized in that, described receiver module, also for the channel state feedback information of the pilot signal of the reception Equations of The Second Kind antenna sets of receiving terminal transmission;

Described pilot signal module, also for generating the pilot signal of the 3rd class antenna sets according to the channel state feedback information of Equations of The Second Kind antenna sets.

52. base stations according to claim 49, is characterized in that, the number of antennas of described first kind antenna sets is less than the number of antennas of Equations of The Second Kind antenna sets.

53. base stations according to claim 52, it is characterized in that, this base station also comprises virtualization modules, for being undertaken virtual according to determining unit by all or part of antenna of first kind antenna sets, to generate at least one Equations of The Second Kind antenna sets that number of antennas is less than first kind antenna sets.

54. base stations according to claim 50 or 52, it is characterized in that, described first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between described terminal and described first kind antenna sets.

55. base stations according to claim 50 or 52, is characterized in that, described sending module, also for based on first kind antenna sets pilot signal related information pilot signal transmitted to described terminal.

56. base stations according to claim 50 or 52, it is characterized in that, described first kind antenna sets pilot signal related information comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

57. base stations according to claim 51, is characterized in that, described sending module, also for based on Equations of The Second Kind antenna sets pilot signal related information pilot signal transmitted to described terminal.

58. base stations according to claim 50 or 52, it is characterized in that, pilot signal related information corresponding to described Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

59. base stations according to claim 50 or 52, it is characterized in that, the pilot signal of described transmission first kind antenna sets specifically comprises: described transmitting element adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets;

The pilot signal of described transmission Equations of The Second Kind antenna sets specifically comprises: described transmitting element adopts identical or different antenna to send pilot signal corresponding to first kind antenna sets.

60. base stations according to claim 50 or 52, it is characterized in that, end side includes N number of terminal, and described base station also comprises terminal deciding module, for determining the pilot signal receiving first kind antenna sets by the M in N number of terminal;

Described receiving element, for receiving the channel feedback information of the pilot signal of the reception first kind antenna sets of X terminal in a described M terminal;

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

61. base stations according to claim 60, it is characterized in that, the receiving element of X terminal in a described M terminal receives the channel feedback information of the pilot signal of first kind antenna sets, specifically comprises: use the receiving element of X terminal in M terminal described in identical resource to receive the channel feedback information of the pilot signal of first kind antenna sets.

62. base stations according to claim 60, is characterized in that, the channel feedback information of described first kind antenna sets is: generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

63. base stations according to claim 50 or 52, it is characterized in that, this base station also comprises terminal reception and arranges module, receive pilot signal corresponding to described first kind antenna sets for arranging by a described M terminal, wherein Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

64. 1 kinds of terminals realizing space division multiplexing, is characterized in that, comprising: transmitting element, receiving element; Wherein,

65. terminals according to claim 64, is characterized in that, transmitting element, also for the channel state feedback information of Equations of The Second Kind antenna sets that sends to base station;

Described receiving element, also generates the pilot signal of the 3rd class antenna sets for receiving base station;

66. terminals according to claim 63, is characterized in that, the number of antennas of described Equations of The Second Kind antenna sets is less than first kind antenna sets.

67. terminals according to claim 66, is characterized in that, every root antenna of described Equations of The Second Kind antenna sets, by the virtual generation of all or part of antenna of first kind antenna sets.

68. terminals according to claim 64 or 66, it is characterized in that, described terminal also comprises channel status acquiring unit, for obtaining channel condition information; Described Equations of The Second Kind antenna sets channel state feedback information is: during the Equations of The Second Kind antenna sets pilot signal sent by base station, and the channel condition information obtained by channel status acquiring unit generates.

69. terminals according to claim 64 or 66, it is characterized in that, described first kind antenna sets channel state feedback packets of information contains: the higher-order statistics of channel between described terminal and described first kind antenna sets.

70. terminals according to claim 64 or 66, it is characterized in that, described Equations of The Second Kind antenna sets channel state feedback packets of information contains: precoding matrix information and/or, channel quality information and/or, channel rank information and/or, the relevant information of Equations of The Second Kind antenna sets.

71. terminals according to claim 64 or 66, it is characterized in that, described terminal is bag channel status shared cell also, for sharing the first kind antenna sets channel condition information that described channel status acquiring unit obtains.

72. terminals according to claim 64 or 66, is characterized in that, described receiving element, also for receiving the first kind antenna sets pilot signal related information that described base station sends; First kind antenna sets pilot signal is received based on first kind antenna sets pilot signal related information.

73. according to the terminal described in claim 72, it is characterized in that, described first kind antenna sets pilot signal related information comprises: the number of antennas information of first kind antenna sets and/or, the pilot tone drawing information of first kind antenna sets and/or, the pilot tone of first kind antenna sets send resource location and/or, the pilot tone of first kind antenna sets send the cycle and/or, the pilot sequence information of first kind antenna sets.

74. terminals according to claim 64 or 66, it is characterized in that, described receiving element, also for receiving the Equations of The Second Kind antenna sets pilot signal related information that described base station sends, receives Equations of The Second Kind antenna sets pilot signal based on Equations of The Second Kind antenna sets pilot signal related information.

75. according to the terminal described in claim 74, it is characterized in that, pilot signal related information corresponding to described Equations of The Second Kind antenna sets comprises: terminal iidentification and/or, terminal group identification and/or, the number of antennas information of Equations of The Second Kind antenna sets and/or, the pilot tone drawing information of Equations of The Second Kind antenna sets and/or, the pilot tone of Equations of The Second Kind antenna sets send resource location and/or, the pilot tone of Equations of The Second Kind antenna sets send the cycle and/or, the pilot sequence information of Equations of The Second Kind antenna sets.

76. terminals according to claim 64 or 66, it is characterized in that, end side includes N number of terminal, determines by the receiving element of M terminal in described N number of terminal, for receiving the pilot signal of first kind antenna sets by described base station;

The receiving element of X terminal in a described M terminal, for receiving the pilot signal of first kind antenna sets; Described transmitting element, for sending the channel feedback information of a described X terminal to described base station;

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

77., according to the terminal described in claim 76, is characterized in that, all or part of by described N number of terminal, share the channel condition information of respective first kind antenna sets.

78., according to the terminal described in claim 76, is characterized in that, the channel feedback information of the described X of a described transmission terminal comprises to described base station: transmitting element adopts identical resource to send the channel feedback information of a described X terminal to described base station.

79., according to the terminal described in claim 76, is characterized in that, the channel feedback information of described first kind antenna sets is: generated by the first kind antenna sets channel condition information of all or part of terminal of described N number of terminal.

80. according to the terminal described in claim 76, it is characterized in that, described base station is determined to receive pilot signal corresponding to described first kind antenna sets by the receiving element of a described M terminal, and wherein the receiving element of Q terminal receives the pilot signal corresponding to first kind antenna sets of other M-Q terminal.

81. terminals according to claim 66, is characterized in that, described receiver module, also for receiving the channel condition information of the first kind antenna sets of other-end.