JP5003490B2 - アンテナ検証方法 - Google Patents
アンテナ検証方法 Download PDFInfo
- Publication number
- JP5003490B2 JP5003490B2 JP2007539388A JP2007539388A JP5003490B2 JP 5003490 B2 JP5003490 B2 JP 5003490B2 JP 2007539388 A JP2007539388 A JP 2007539388A JP 2007539388 A JP2007539388 A JP 2007539388A JP 5003490 B2 JP5003490 B2 JP 5003490B2
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- JP
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- Prior art keywords
- estimate
- base station
- current
- phase offset
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0652—Feedback error handling
- H04B7/0654—Feedback error handling at the receiver, e.g. antenna verification at mobile station
-
- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0204—Channel estimation of multiple channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
共通パイロットチャネルのチャネル推定の複素共役によって専用パイロットチャネルのチャネル推定を等化して、基地局によって用いられる送信重みの推定を形成するステップと、
送信スロットごとに、現在および前のスロットについての送信重み推定の成分を結合して、最適化された送信重み推定を形成するステップと、を含む。
等化ステップを遅延させるステップと、
現在、前、および後のスロットについての送信重み推定の成分から、最適化された送信重み推定を形成するステップと、を含んでもよい。
Npilotは、スロット内のパイロットシンボルの数である。
C2,f *は、フィンガ「f」についてのアンテナ2チャネル推定の複素共役である。
Wfは、フィンガ「f」についての位相オフセット軟推定である。
Claims (6)
- 通信受信機によって基地局にあらかじめ伝達されたアンテナ重みを前記通信受信機が検証することを可能にする方法であって、
共通パイロットチャネルのチャネル推定の複素共役によって専用パイロットチャネルのチャネル推定を等化して、前記基地局によって用いられる前記送信重みの推定を形成するステップと、
現在の送信重みに影響する最終フィードバック情報のアップリンクスロット番号が奇数の場合、送信スロットごとに、現在および前のスロットについての前記送信重み推定の同相成分が結合され、前記アップリンクスロット番号がゼロを除く偶数の場合、送信スロットごとに、現在及び前のスロットについての前記送信重み推定の直交成分が結合され、前記アップリンクスロット番号がゼロの場合、現在、前及び現在より2つ前の直交成分が結合されて、最適化された送信重み推定を形成するステップと、
を含む方法。 - 前記送信重みが、位相オフセットまたは振幅オフセットのうちの任意の1つまたは複数
を含む、請求項1に記載の方法。 - 前記基地局が、送信ダイバーシチのための、2つ以上のアンテナを含む、請求項1また
は2のいずれか一項に記載の方法。 - 前記通信受信機および基地局が、W−CDMA無線通信システムの一部を形成する、先
行する請求項のいずれか一項に記載の方法。 - 前記等化ステップを遅延させるステップと、
現在、前、および後のスロットについての前記送信重み推定の成分から、最適化された送信重み推定を形成するステップと、
をさらに含む、請求項4に記載の方法。 - 先行する請求項のいずれか一項に記載の方法を通信受信機が実行することを可能にする
処理手段を含む、基地局との通信に適合された通信受信機。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005900791 | 2005-02-21 | ||
AU2005900791A AU2005900791A0 (en) | 2005-02-21 | Method for antenna verification | |
AU2006200589 | 2006-02-13 | ||
AU2006200589A AU2006200589A1 (en) | 2005-02-21 | 2006-02-13 | Method for antenna verification |
PCT/JP2006/303508 WO2006088252A1 (en) | 2005-02-21 | 2006-02-20 | Method for antenna verification |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008530825A JP2008530825A (ja) | 2008-08-07 |
JP5003490B2 true JP5003490B2 (ja) | 2012-08-15 |
Family
ID=36406610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007539388A Expired - Fee Related JP5003490B2 (ja) | 2005-02-21 | 2006-02-20 | アンテナ検証方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8204463B2 (ja) |
EP (1) | EP1851874A1 (ja) |
JP (1) | JP5003490B2 (ja) |
CN (1) | CN101164249B (ja) |
AU (1) | AU2006200589A1 (ja) |
WO (1) | WO2006088252A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4079964B2 (ja) * | 2005-09-30 | 2008-04-23 | Necエレクトロニクス株式会社 | 無線受信装置及びアンテナ・ベリフィケーション方法 |
US8830918B2 (en) * | 2009-03-16 | 2014-09-09 | Interdigital Patent Holdings, Inc. | Method and apparatus for performing uplink transmit diversity |
KR101109383B1 (ko) | 2009-11-25 | 2012-01-30 | 서울대학교산학협력단 | 직교주파수 분할다중 기반 무선통신 시스템에서 전용 파일럿 신호를 이용한 채널추정 방법 및 장치 |
US9148328B2 (en) * | 2010-10-29 | 2015-09-29 | Samsung Electronics Co., Ltd. | Digital I/Q imbalance compensation in a quadrature receiver |
US8730989B2 (en) | 2011-02-11 | 2014-05-20 | Interdigital Patent Holdings, Inc. | Method and apparatus for closed loop transmit diversity transmission initial access |
US9510218B2 (en) | 2013-10-02 | 2016-11-29 | Qualcomm Incorporated | Devices and methods for facilitating closed-loop transmission diversity in wireless communications systems |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69824898T2 (de) * | 1998-07-21 | 2005-06-30 | Nokia Corp. | Schätzung der kanalimpulsantwort mittels der streuung vom empfangenen signal |
US6611675B1 (en) * | 2000-09-26 | 2003-08-26 | Nokia Mobile Phone Ltd. | Antenna verification method for advanced closed loop mode-one transmitter antenna diversity |
JP3747405B2 (ja) * | 2001-06-22 | 2006-02-22 | 富士通株式会社 | アンテナベリフィケーション方法及びアンテナベリフィケーション処理装置 |
JP3565344B2 (ja) * | 2002-02-21 | 2004-09-15 | 株式会社エヌ・ティ・ティ・ドコモ | 干渉除去システム、及び、干渉除去方法 |
US7236540B2 (en) * | 2003-06-10 | 2007-06-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel estimation in a transmission diversity system |
DE10329632B4 (de) * | 2003-07-01 | 2005-08-18 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Gewichtung von Kanalkoeffizienten in einem Rake-Empfänger |
US8290024B2 (en) * | 2004-08-12 | 2012-10-16 | Texas Instruments Incorporated | Methods and apparatus to facilitate improved code division multiple access receivers |
US20060093056A1 (en) * | 2004-10-29 | 2006-05-04 | Pekka Kaasila | Signal reception in mobile communication network |
US7724813B2 (en) * | 2005-05-20 | 2010-05-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transmit power control |
US20070053416A1 (en) * | 2005-09-08 | 2007-03-08 | Yuan Li | Methods and apparatus to perform closed-loop transmit diversity with frequency-domain equalizers |
US7936810B2 (en) * | 2005-09-08 | 2011-05-03 | Texas Instruments Incorporated | Delayed combining of frequency-domain equalized wireless channels with large delay-spreads |
US7830994B2 (en) * | 2006-10-18 | 2010-11-09 | Analog Devices, Inc. | Channel estimation system and method |
WO2008072355A1 (ja) * | 2006-12-15 | 2008-06-19 | Fujitsu Limited | 移動局及び移動局におけるアンテナベリフィケーション制御方法 |
-
2006
- 2006-02-13 AU AU2006200589A patent/AU2006200589A1/en not_active Abandoned
- 2006-02-20 EP EP06714647A patent/EP1851874A1/en not_active Withdrawn
- 2006-02-20 JP JP2007539388A patent/JP5003490B2/ja not_active Expired - Fee Related
- 2006-02-20 CN CN2006800135483A patent/CN101164249B/zh not_active Expired - Fee Related
- 2006-02-20 WO PCT/JP2006/303508 patent/WO2006088252A1/en active Application Filing
- 2006-02-20 US US11/884,687 patent/US8204463B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101164249B (zh) | 2011-11-16 |
US20080153446A1 (en) | 2008-06-26 |
EP1851874A1 (en) | 2007-11-07 |
JP2008530825A (ja) | 2008-08-07 |
US8204463B2 (en) | 2012-06-19 |
CN101164249A (zh) | 2008-04-16 |
AU2006200589A1 (en) | 2006-09-07 |
WO2006088252A1 (en) | 2006-08-24 |
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