JP2009135942A5 - - Google Patents
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- JP2009135942A5 JP2009135942A5 JP2009003141A JP2009003141A JP2009135942A5 JP 2009135942 A5 JP2009135942 A5 JP 2009135942A5 JP 2009003141 A JP2009003141 A JP 2009003141A JP 2009003141 A JP2009003141 A JP 2009003141A JP 2009135942 A5 JP2009135942 A5 JP 2009135942A5
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- Japan
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- weight
- antennas
- calculation result
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- communication partner
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- 230000000875 corresponding Effects 0.000 claims 6
- 230000005540 biological transmission Effects 0.000 claims 4
Claims (2)
上記通信相手側システムが送信する制御情報を受信する受信ステップと、
上記受信した制御情報に基づき、一の情報信号に関して上記複数のアンテナに対応する第１のウエイトおよび他の情報信号に関して上記複数のアンテナに対応する第２のウエイトを決定するウエイト決定ステップと、
上記第１のウエイトを上記一の情報信号に乗じて第１の演算結果を生成し、上記第２のウエイトを上記他の情報信号に乗じて第２の演算結果を生成する演算ステップと、
上記第１の演算結果と上記第２の演算結果とから、上記複数のアンテナそれぞれに対応する複数の出力信号を生成し、上記通信相手側システムに送信する送信ステップ
を備え、
上記制御情報は、上記送信アンテナの数よりも多くのウエイトの候補の中からウエイトの組合せを特定した情報を含む
ことを特徴とする無線通信方法。 A wireless communication method in a wireless communication system that generates an output signal from a plurality of information signals and transmits the output signal from a plurality of transmission antennas to a communication partner system,
A receiving step for receiving control information transmitted by the communication partner system;
A weight determination step for determining a first weight corresponding to the plurality of antennas for one information signal and a second weight corresponding to the plurality of antennas for another information signal based on the received control information;
A calculation step of multiplying the first weight by the one information signal to generate a first calculation result, and multiplying the second weight by the other information signal to generate a second calculation result;
A transmission step of generating a plurality of output signals corresponding to each of the plurality of antennas from the first calculation result and the second calculation result and transmitting the output signals to the communication partner system,
The wireless communication method, wherein the control information includes information specifying a combination of weights among more weight candidates than the number of transmission antennas .
上記通信相手側システムが送信する制御情報を受信する受信手段と、
上記受信した制御情報に基づき、一の情報信号に関して上記複数のアンテナに対応する第１のウエイトおよび他の情報信号に関して上記複数のアンテナに対応する第２のウエイトを決定するウエイト決定手段と、
上記第１のウエイトを上記一の情報信号に乗じて第１の演算結果を生成し、上記第２のウエイトを上記他の情報信号に乗じて第２の演算結果を生成する演算手段と、
上記第１の演算結果と上記第２の演算結果とから、上記複数のアンテナそれぞれに対応する複数の出力信号を生成し、上記通信相手側システムに送信する送信手段
を備え、
上記制御情報は、送信アンテナ数よりも多くのウエイトの候補の中からウエイトの組合せを特定した情報を含む
ことを特徴とする無線通信システム。 A wireless communication system that generates an output signal from a plurality of information signals and transmits the output signal from a plurality of antennas to a communication partner system,
Receiving means for receiving control information transmitted by the communication partner system;
Weight determining means for determining a first weight corresponding to the plurality of antennas for one information signal and a second weight corresponding to the plurality of antennas for another information signal based on the received control information;
Arithmetic means for multiplying the first information signal by the first weight to generate a first calculation result and multiplying the second weight by the other information signal to generate a second calculation result;
From the first calculation result and the second calculation result, a plurality of output signals corresponding to each of the plurality of antennas is generated and transmitted to the communication partner system,
The wireless communication system , wherein the control information includes information specifying a combination of weights among weight candidates larger than the number of transmission antennas .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009003141A JP2009135942A (en) | 2009-01-09 | 2009-01-09 | Radio communication method and radio communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009003141A JP2009135942A (en) | 2009-01-09 | 2009-01-09 | Radio communication method and radio communication system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003286184A Division JP2005057497A (en) | 2003-08-04 | 2003-08-04 | Radio transmission control method, radio receiving device and radio transmitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009135942A JP2009135942A (en) | 2009-06-18 |
| JP2009135942A5 true JP2009135942A5 (en) | 2009-11-26 |
Family
ID=40867342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009003141A Pending JP2009135942A (en) | 2009-01-09 | 2009-01-09 | Radio communication method and radio communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2009135942A (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR0112403A (en) * | 2000-07-12 | 2006-05-09 | Qualcomm Inc | real-time service multiplexing and non-real time services for ofdm systems |
| KR100493152B1 (en) * | 2000-07-21 | 2005-06-02 | 삼성전자주식회사 | Transmission antenna diversity method, base station apparatus and mobile station apparatus therefor in mobile communication system |
| US6859503B2 (en) * | 2001-04-07 | 2005-02-22 | Motorola, Inc. | Method and system in a transceiver for controlling a multiple-input, multiple-output communications channel |
| EP1469686B1 (en) * | 2002-01-18 | 2013-05-29 | Fujitsu Limited | Method and apparatus for controlling feedback in closed loop transmission diversity |
-
2009
- 2009-01-09 JP JP2009003141A patent/JP2009135942A/en active Pending
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