CN104716999A - Code-division single antenna multithread information sending and receiving method, equipment and system - Google Patents
Code-division single antenna multithread information sending and receiving method, equipment and system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0625—Transmitter arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0631—Receiver arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
- H04L1/0637—Properties of the code
- H04L1/0668—Orthogonal systems, e.g. using Alamouti codes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a code-division single antenna multithread information sending and receiving method, equipment and system. At a sender side, serial-parallel conversion is carried out on input information streams, and M paths of parallel information streams are obtained; all the M paths of parallel information streams are multiplied by corresponding K-order orthogonal codes in a first preset K-order orthogonal code set respectively, and the obtained results are summed; a single path of baseband signals obtained after summarization are converted into a single path of radio frequency signals and then the single path of radio frequency signals are sent to a receiver; at the receiver side, the single path of radio frequency signals sent by the sender are received and converted into the single path of baseband signals; the single path of baseband signals are multiplied by corresponding K-order orthogonal codes in a second preset K-order orthogonal code set respectively, corresponding integration is carried out on the obtained results, and N paths of parallel signal streams are obtained; serial-parallel conversion is carried out the N paths of parallel signal streams, and the obtained information streams are output. The requirements for realizing code-division MIMO communication are reduced, and equipment power consumption is reduced.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of code and divide single antenna multi-stream information method of sending and receiving, equipment and system.
Background technology
In prior art, for MIMO(Multiple Input Multiple Output, multiple-input and multiple-output) realization of system is all based on multiple antenna communication.N*M antenna MIMO transmitting and receiving system as shown in Figure 1.
N antenna MIMO transceiver principle is: at sender end, information flow is transformed to parallel information streams (serioparallel exchange system may comprise the functions such as Space Time Coding) by serial to parallel conversion system Serial Flow, is then sent by multiple antennas process such as parallel information streams carry out that modulation is amplified.At receiver end, by multiple antennas, Signal reception is carried out the process such as demodulation and is transformed to baseband signal, then by parallel-serial conversion system, (when parallel-serial conversion system may comprise sky the function such as decoding or channel estimating) reduced to information flow.
For system shown in Figure 1 framework,
If transmitting antenna is: X
m=[x
1, x
2, x
3x
m] (1)
Reception antenna is: Y
n=[y
1, y
2, y
3y
n] (2)
If radio frequency sending set and radio-frequency transmitter are in linear work district, and the gain of each road is then equal:
x
1=Ax
1′，x
2=Ax
2′…，x
M=Ax
M′ （3）
y
1′=By
1，y
2′=By
2…，y
N′=By
N（4）
Wherein A, B are constant.
Channel matrix is:
Then:
Y
N＝H
N×M+X
M（6）
Wherein, n is interchannel noise vector.
Realizing in process of the present invention, inventor finds at least there is following problem in prior art:
1), the performance that will realize MIMO spatial reuse must meet multi-path channel condition, and irrelevant between multiple antenna.From formula (6), from the Y of reception antenna
nrestore reception antenna end X
mneed channel matrix H
n × Mget inverse matrix, if channel is strong correlation channel, cannot inverse matrix be got;
2), multiple antennas MIMO transceiver needs to use multiple radio-frequency (RF) transceiver, therefore also causes power consumption to be multiplied.Especially stand-by time is caused greatly to shorten for being multiplied of end product power consumption;
3), the index test of multiple antennas MIMO product, especially OTA index test is a great problem in the industry.Multiple antennas MIMO product OTA test has the method for testing of more than three kinds in the industry at present, and each method of testing is all more complicated, and testing cost is very high.
Summary of the invention
The invention provides a kind of code and divide single antenna multi-stream information method of sending and receiving, equipment and system, divide the MIMO requirement communicating realization in order to reduce code, and reduce equipment power dissipation.
In order to reach above object, embodiments providing a kind of code and dividing single antenna multi-stream information sending method, be applied to the code comprising sender and receiver and divide single antenna multi-stream information receive-transmit system, the method comprises:
The information flow of sender to input carries out serioparallel exchange, obtains M road parallel information streams;
Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first and is multiplied by described sender respectively, and the result obtained is sued for peace; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described sender sends to receiver after the single baseband signal that described summation obtains is converted to single RF signal.
The embodiment of the present invention additionally provides a kind of code and divides single antenna multi-stream information method of reseptance, and be applied to the code comprising sender and receiver and divide single antenna multi-stream information receive-transmit system, the method comprises:
Receiver receives the single RF signal that sender sends, and described single RF signal is converted to single baseband signal; Wherein, described single RF signal carries out serioparallel exchange by the information of described sender to input to obtain M road parallel information streams, parallel information streams Zhong Ge road, this M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and after the result obtained is sued for peace, the result that obtains of suing for peace is carried out be converted to; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second and is multiplied by described receiver respectively, and the result obtained is carried out respectively corresponding integration, obtains N road parallel signal stream; Wherein, described second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N;
Described receiver carries out parallel-serial conversion to described N road parallel signal stream, and is exported by the information flow obtained.
The embodiment of the present invention additionally provides a kind of sender, and be applied to the code comprising receiver and divide single antenna multi-stream information receive-transmit system, this sender comprises:
Serioparallel exchange unit, for carrying out serioparallel exchange to the information flow of input, obtains M road parallel information streams;
Processing unit, is multiplied for parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first respectively, and the result obtained is sued for peace; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
RF transmitter unit, sends to receiver after the single baseband signal obtained is converted to single RF signal for being sued for peace by described processing unit.
The embodiment of the present invention additionally provides a kind of receiver, and be applied to the code comprising sender and divide single antenna multi-stream information receive-transmit system, this receiver comprises:
Radio frequency receiver elements, for receiving the single RF signal that sender sends, and is converted to single baseband signal by described single RF signal; Wherein, described single RF signal carries out serioparallel exchange by the information of described sender to input to obtain M road parallel information streams, parallel information streams Zhong Ge road, this M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and after the result obtained is sued for peace, the result that obtains of suing for peace is carried out be converted to; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Processing unit, is multiplied for described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second respectively, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Wherein said second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N;
Parallel serial conversion unit, for carrying out parallel-serial conversion to described N road parallel signal stream, and exports the information flow obtained.
The embodiment of the present invention additionally provides a kind of code and divides single antenna multi-stream information receive-transmit system, comprises sender and receiver, wherein:
Described sender, for carrying out serioparallel exchange to the information flow of input, obtains M road parallel information streams; Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and the result obtained is sued for peace; Receiver is sent to after the single baseband signal that described summation obtains is converted to single RF signal; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described receiver, for receiving the described single RF signal that described sender sends, and is converted to single baseband signal by described single RF signal; Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second be respectively multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Parallel-serial conversion is carried out to described N road parallel signal stream, and the information flow obtained is exported; Wherein, described second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N.
In the above embodiment of the present invention, for transmitting pusher side, the information flow of sender to input carries out serioparallel exchange, obtains M road parallel information streams; Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and the result obtained is sued for peace; Receiver is sent to after the single baseband signal that described summation obtains is converted to single RF signal.For receiver side, receiver receives the described single RF signal that described sender sends, and described single RF signal is converted to single baseband signal; Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second be respectively multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Parallel-serial conversion is carried out to described N road parallel signal stream, and the information flow obtained is exported, reduce code and divide the MIMO requirement communicating realization, and reduce equipment power dissipation.
Accompanying drawing explanation
Fig. 1 is a kind of M*N antenna MIMO transceiver system configuration diagram of the prior art;
Fig. 2 divides the schematic flow sheet of single antenna multi-stream information sending method for a kind of code that the embodiment of the present invention provides;
Fig. 3 divides single antenna multi-stream information method of reseptance for a kind of code that the embodiment of the present invention provides, schematic flow sheet;
Fig. 4 A divides the configuration diagram of single antenna information transmitter for a kind of code that the embodiment of the present invention provides;
Fig. 4 B divides the configuration diagram of single antenna intelligence receiver for a kind of code that the embodiment of the present invention provides;
The structural representation of a kind of sender that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of receiver that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 divides the structural representation of single antenna multi-stream information receive-transmit system for a kind of code that the embodiment of the present invention provides.
Embodiment
For above-mentioned the problems of the prior art, embodiments provide the technical scheme that a kind of code divides single antenna multi-stream information to send and receive, be applied to the code comprising sender and receiver and divide single antenna multi-stream information receive-transmit system.In this technical scheme, for transmitting pusher side, the information flow of sender to input carries out serioparallel exchange, obtains M road parallel information streams; Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and the result obtained is sued for peace; Receiver is sent to after the single baseband signal that described summation obtains is converted to single RF signal.For receiver side, receiver receives the described single RF signal that described sender sends, and described single RF signal is converted to single baseband signal; Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second be respectively multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Parallel-serial conversion is carried out to described N road parallel signal stream, and the information flow obtained is exported, reduce code and divide the MIMO requirement communicating realization, and reduce equipment power dissipation.
Wherein, in embodiments of the present invention, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different; Described second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; K, M, N are positive integer, and K is not less than M and N, and N is not less than M.
Below in conjunction with the accompanying drawing in the application, carry out clear, complete description to the technical scheme in the application, obviously, described embodiment is a part of embodiment of the application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the application's protection.
As shown in Figure 2, a kind of code provided for the embodiment of the present invention divides the schematic flow sheet of single antenna multi-stream information sending method, can comprise the following steps:
Step 201, the sender information flow to input carries out serioparallel exchange, obtains M road parallel information streams.
Concrete, the information flow serioparallel exchange of input is that the concrete processing mode of M road parallel information streams is identical with serioparallel exchange processing mode in prior art by sender, does not repeat them here.
Wherein, M is positive integer, and its concrete value can be determined according to embody rule scene (determining according to sender handling property).
Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first and is multiplied by step 202, sender respectively, and the result obtained is sued for peace.
Concrete, in embodiments of the present invention, the information flow of input is changed to M road and after information flow by sender, for each the road information flow in this M road parallel information streams, its K rank orthogonal code corresponding with the first default K rank orthogonal code sets all can be multiplied by sender, and the result after being multiplied with corresponding K rank orthogonal code respectively by parallel information streams Zhong Ge road, M road information flow is sued for peace, to obtain single baseband signal.
Wherein, this first default K rank orthogonal code sets comprises M K rank orthogonal code; The K rank orthogonal code that above-mentioned each road information flow is corresponding is different, and K is the positive integer being not less than M.
Receiver is sent to after the single baseband signal that step 203, sender obtain suing for peace is converted to single RF signal.
Concrete, sender, after the process of step 202, obtains single baseband signal, and sender can carry out frequency-conversion processing to this single baseband signal further, and this single baseband signal is converted to single RF signal.Its concrete processing mode is identical with the processing mode that baseband signal of the prior art is converted to radiofrequency signal, does not repeat them here.
After the process of step 201 ~ 203, the dealing with information flow of input in order to single RF signal, and is sent to receiver by sender.After receiver receives this single RF signal, can carry out reduction treatment to this single RF signal, its specific implementation can see Fig. 3.
As shown in Figure 3, a kind of code provided for the embodiment of the present invention divides single antenna multi-stream information method of reseptance, schematic flow sheet, can comprise the following steps:
Step 301, receiver receive the single RF signal that sender sends, and described single RF signal is converted to single baseband signal.
Concrete, receiver can carry out frequency-conversion processing to this single RF signal, be converted into single baseband signal after receiving the single RF signal of sender transmission, its concrete processing mode is identical with the processing mode of related procedure in prior art, does not repeat them here.
Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second and is multiplied by step 302, receiver respectively, and the result obtained is carried out respectively corresponding integration, obtains N road parallel signal stream.
Concrete, in embodiments of the present invention, in order to the single RF signal reduction treatment sent by sender is information flow, after this single RF signal is converted to single baseband signal, receiver this single baseband signal can be preset with second respectively and gather in corresponding K rank orthogonal code be multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream.
Wherein, this second default K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that orthogonal code sets is this second default K rank orthogonal code sets; N is the positive integer being less than M, and K is not less than N.
Wherein, single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second and is multiplied by receiver respectively, and the result obtained is carried out respectively corresponding integration, can be realized by following formula:
Wherein, W
i kit is the second K rank orthogonal code presetting in the orthogonal code sets of K rank; T was the first cycle of presetting that K rank orthogonal code sets and second presets the K rank orthogonal code in the orthogonal code sets of K rank, and S is the single baseband signal obtained after described receiver process, 0≤i≤N-1.
Due to
be 0 in i ≠ j duration, therefore, through above-mentioned integral processing, in the N road parallel signal stream obtained, only have M road to be not empty signal stream.
Step 303, receiver carry out parallel-serial conversion to described N road parallel signal stream, and are exported by the information flow obtained.
Concrete, receiver is after the process of step 302, obtain N road parallel signal stream, sender can carry out parallel-serial conversion to this N road parallel signal stream further, and the single channel information flow obtained is exported, its specific implementation is identical with the processing mode of related procedure in prior art, does not repeat them here.
Further, in embodiments of the present invention, when the information flow of sender to input carries out serioparallel exchange, Space Time Coding can also be carried out to each road information flow obtained, and then, preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first respectively to the parallel information streams Zhong Ge road information flow after the M road Space Time Coding obtained to be multiplied, and the result obtained is sued for peace.
Correspondingly, after the single RF signal received is treated to N road parallel signal stream by receiver, if when this N road parallel signal stream is the parallel signal stream after Space Time Coding, decoding when this receiver also needs to carry out sky to the parallel signal stream after this N road road Space Time Coding, and parallel-serial conversion is carried out to decoded N road parallel signal stream during sky, the information flow obtained is exported.
In order to understand the technical scheme that the embodiment of the present invention provides better, below in conjunction with concrete application scenarios, the technical scheme that the embodiment of the present invention provides is described below in greater detail.
In this embodiment, be described for N=M=K, the first default K rank orthogonal code sets and second is preset K rank orthogonal code sets and is
Wherein,
for M rank orthogonal code, it meets the following conditions:
Work as m=n,
As m ≠ n,
Wherein, m, n are integer, and 0≤m, n≤M-1.
See Fig. 4 A, in this embodiment, after reception quality to the information flow of input, can be M road parallel signal stream x by its serioparallel exchange
1C", x
2C", x
3C" ... x
mC", and by this M road parallel signal respectively with M rank orthogonal code
phase M1 takes advantage of, and obtains
. and after C sues for peace, obtain single baseband signal x
c', and then carry out radio frequency and be converted to single RF signal x
c.
See Fig. 4 B, for ideally Signal transmissions (namely not considering the various factors interference such as noise), receiver receives the single RF signal x that sender sends
cafter, single baseband signal x can be converted to
c', and then by this single baseband signal respectively with
and carry out integration
obtain y
1C', y
2C', y
3C' ... y
nC', and then obtain the output of single channel information flow by parallel-serial conversion.
Wherein, owing to working as m=n,
as m ≠ n,
therefore, y can be drawn
kC'=x
kC"; K is the positive integer being not more than N.
By describing above and can finding out, in embodiments of the present invention, for transmitting pusher side, the information flow of sender to input carries out serioparallel exchange, obtains M road parallel information streams; Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and the result obtained is sued for peace; Receiver is sent to after the single baseband signal that described summation obtains is converted to single RF signal.For receiver side, receiver receives the described single RF signal that described sender sends, and described single RF signal is converted to single baseband signal; Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second be respectively multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Parallel-serial conversion is carried out to described N road parallel signal stream, and the information flow obtained is exported, reduce code and divide the MIMO requirement communicating realization, and reduce equipment power dissipation.
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of sender, can be applied to said method embodiment.
As shown in Figure 5, be the structural representation of a kind of sender that the embodiment of the present invention provides, the code that this sender can be applicable to comprise receiver divides single antenna multi-stream information receive-transmit system, and this sender can comprise:
Serioparallel exchange unit 51, for carrying out serioparallel exchange to the information flow of input, obtains M road parallel information streams;
Processing unit 52, is multiplied for parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first respectively, and the result obtained is sued for peace; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
RF transmitter unit 53, sends to receiver after the single baseband signal obtained is converted to single RF signal for being sued for peace by described processing unit.
Wherein, described serioparallel exchange unit 51 specifically for, serioparallel exchange is carried out to the information flow of input, and Space Time Coding is carried out to the M road parallel information streams that serioparallel exchange obtains, obtain the parallel information streams after the Space Time Coding of M road;
Described processing unit 52 specifically for, the parallel information streams Zhong Ge road information flow after the Space Time Coding of described M road is preset K rank orthogonal code corresponding in K rank orthogonal code sets with first respectively and is multiplied, and the result obtained is sued for peace.
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of receiver, can be applied to said method embodiment.
As shown in Figure 6, be the structural representation of a kind of receiver that the embodiment of the present invention provides, the code that this receiver can be applicable to comprise sender divides single antenna multi-stream information receive-transmit system, and this receiver can comprise:
Radio frequency receiver elements 61, for receiving the single RF signal that sender sends, and is converted to single baseband signal by described single RF signal; Wherein, described single RF signal carries out serioparallel exchange by the information of described sender to input to obtain M road parallel information streams, parallel information streams Zhong Ge road, this M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and after the result obtained is sued for peace, the result that obtains of suing for peace is carried out be converted to; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Processing unit 62, is multiplied for described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second respectively, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Wherein said second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N;
Parallel serial conversion unit 63, for carrying out parallel-serial conversion to described N road parallel signal stream, and exports the information flow obtained.
Wherein, described parallel serial conversion unit 63 specifically for, when parallel signal stream after described N road parallel signal stream is Space Time Coding, decoding when sky carries out to the parallel signal stream after the Space Time Coding of described N road, and parallel-serial conversion is carried out to decoded N road parallel signal stream during sky, the information flow obtained is exported.
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of code and divides single antenna multi-stream information receive-transmit system, can be applied to said method embodiment.
As shown in Figure 7, a kind of code provided for the embodiment of the present invention divides the structural representation of single antenna multi-stream information receive-transmit system, can comprise: sender 71 and receiver 72, wherein:
Described sender 71, for carrying out serioparallel exchange to the information flow of input, obtains M road parallel information streams; Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and the result obtained is sued for peace; Receiver is sent to after the single baseband signal that described summation obtains is converted to single RF signal; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described receiver 72, for receiving the described single RF signal that described sender sends, and is converted to single baseband signal by described single RF signal; Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second be respectively multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Parallel-serial conversion is carried out to described N road parallel signal stream, and the information flow obtained is exported; Wherein, described second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a station terminal equipment (can be mobile phone, personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (9)
1. code divides a single antenna multi-stream information sending method, it is characterized in that, be applied to the code comprising sender and receiver and divide single antenna multi-stream information receive-transmit system, the method comprises:
The information flow of sender to input carries out serioparallel exchange, obtains M road parallel information streams;
Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first and is multiplied by described sender respectively, and the result obtained is sued for peace; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described sender sends to receiver after the single baseband signal that described summation obtains is converted to single RF signal.
2. the method for claim 1, is characterized in that,
The information flow of sender to input carries out serioparallel exchange, obtains M road parallel information streams, is specially:
The information flow of described sender to input carries out serioparallel exchange, and carries out Space Time Coding to the M road parallel information streams that serioparallel exchange obtains, and obtains the parallel information streams after the Space Time Coding of M road;
Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first and is multiplied by described sender respectively, and the result obtained is sued for peace, and is specially:
Parallel information streams Zhong Ge road information flow after the Space Time Coding of described M road is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first and is multiplied by described sender respectively, and the result obtained is sued for peace.
3. code divides a single antenna multi-stream information method of reseptance, it is characterized in that, be applied to the code comprising sender and receiver and divide single antenna multi-stream information receive-transmit system, the method comprises:
Receiver receives the single RF signal that sender sends, and described single RF signal is converted to single baseband signal; Wherein, described single RF signal carries out serioparallel exchange by the information of described sender to input to obtain M road parallel information streams, parallel information streams Zhong Ge road, this M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and after the result obtained is sued for peace, the result that obtains of suing for peace is carried out be converted to; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second and is multiplied by described receiver respectively, and the result obtained is carried out respectively corresponding integration, obtains N road parallel signal stream; Wherein, described second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N;
Described receiver carries out parallel-serial conversion to described N road parallel signal stream, and is exported by the information flow obtained.
4. method as claimed in claim 3, it is characterized in that, described receiver carries out parallel-serial conversion to described N road parallel signal stream, and is exported by the information flow obtained, and is specially:
When parallel signal stream after described N road parallel signal stream is Space Time Coding, decoding when described receiver carries out sky to the parallel signal stream after the Space Time Coding of described N road, and parallel-serial conversion is carried out to decoded N road parallel signal stream during sky, the information flow obtained is exported.
5. a sender, is characterized in that, be applied to the code comprising receiver and divide single antenna multi-stream information receive-transmit system, this sender comprises:
Serioparallel exchange unit, for carrying out serioparallel exchange to the information flow of input, obtains M road parallel information streams;
Processing unit, is multiplied for parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first respectively, and the result obtained is sued for peace; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
RF transmitter unit, sends to receiver after the single baseband signal obtained is converted to single RF signal for being sued for peace by described processing unit.
6. sender as claimed in claim 5, is characterized in that,
Described serioparallel exchange unit specifically for, serioparallel exchange is carried out to the information flow of input, and Space Time Coding is carried out to the M road parallel information streams that serioparallel exchange obtains, obtain the parallel information streams after the Space Time Coding of M road;
Described processing unit specifically for, the parallel information streams Zhong Ge road information flow after the Space Time Coding of described M road is preset K rank orthogonal code corresponding in K rank orthogonal code sets with first respectively and is multiplied, and the result obtained is sued for peace.
7. a receiver, is characterized in that, be applied to the code comprising sender and divide single antenna multi-stream information receive-transmit system, this receiver comprises:
Radio frequency receiver elements, for receiving the single RF signal that sender sends, and is converted to single baseband signal by described single RF signal; Wherein, described single RF signal carries out serioparallel exchange by the information of described sender to input to obtain M road parallel information streams, parallel information streams Zhong Ge road, this M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and after the result obtained is sued for peace, the result that obtains of suing for peace is carried out be converted to; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Processing unit, is multiplied for described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second respectively, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Wherein said second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N;
Parallel serial conversion unit, for carrying out parallel-serial conversion to described N road parallel signal stream, and exports the information flow obtained.
8. receiver as claimed in claim 7, is characterized in that,
Described parallel serial conversion unit specifically for, when parallel signal stream after described N road parallel signal stream is Space Time Coding, decoding when sky carries out to the parallel signal stream after the Space Time Coding of described N road, and parallel-serial conversion is carried out to decoded N road parallel signal stream during sky, the information flow obtained is exported.
9. code divides a single antenna multi-stream information receive-transmit system, it is characterized in that, comprises sender and receiver, wherein:
Described sender, for carrying out serioparallel exchange to the information flow of input, obtains M road parallel information streams; Parallel information streams Zhong Ge road, described M road information flow is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with first be respectively multiplied, and the result obtained is sued for peace; Receiver is sent to after the single baseband signal that described summation obtains is converted to single RF signal; Wherein, the described first default K rank orthogonal code comprises M K rank orthogonal code; The K rank orthogonal code that described each road information flow is corresponding is different, and K, M are positive integer, and K is not less than M;
Described receiver, for receiving the described single RF signal that described sender sends, and is converted to single baseband signal by described single RF signal; Described single baseband signal is preset K rank orthogonal code corresponding in the orthogonal code sets of K rank with second be respectively multiplied, and the result obtained is carried out respectively corresponding integration, obtain N road parallel signal stream; Parallel-serial conversion is carried out to described N road parallel signal stream, and the information flow obtained is exported; Wherein, described second presets K rank orthogonal code sets comprises N number of K rank orthogonal code, and described first presets the subset that K rank orthogonal code sets is the described second default K rank orthogonal code sets; N is the positive integer being not less than M, and K is not less than N.
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