DE602006017268D1 - Nisolation für pro-antenne-training unter verwendung von sende-/empfangs-schalter - Google Patents
Nisolation für pro-antenne-training unter verwendung von sende-/empfangs-schalterInfo
- Publication number
- DE602006017268D1 DE602006017268D1 DE602006017268T DE602006017268T DE602006017268D1 DE 602006017268 D1 DE602006017268 D1 DE 602006017268D1 DE 602006017268 T DE602006017268 T DE 602006017268T DE 602006017268 T DE602006017268 T DE 602006017268T DE 602006017268 D1 DE602006017268 D1 DE 602006017268D1
- Authority
- DE
- Germany
- Prior art keywords
- nisolation
- pro
- transmitter
- antenna training
- receiver switches
- 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.)
- Active
Links
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
- H04B7/0684—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 using different training sequences per antenna
-
- 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
-
- 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
-
- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
-
- 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
-
- 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
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/388,330 US8694030B2 (en) | 2006-03-24 | 2006-03-24 | Method and apparatus for improved antenna isolation for per-antenna training using transmit/receive switch |
PCT/US2006/029557 WO2007111631A1 (en) | 2006-03-24 | 2006-07-31 | Method and apparatus for improved antenna isolation for per-antenna training using transmit/receive switch |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602006017268D1 true DE602006017268D1 (de) | 2010-11-11 |
Family
ID=37561080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602006017268T Active DE602006017268D1 (de) | 2006-03-24 | 2006-07-31 | Nisolation für pro-antenne-training unter verwendung von sende-/empfangs-schalter |
Country Status (6)
Country | Link |
---|---|
US (1) | US8694030B2 (de) |
EP (1) | EP2002559B1 (de) |
JP (1) | JP5330223B2 (de) |
KR (1) | KR101280205B1 (de) |
DE (1) | DE602006017268D1 (de) |
WO (1) | WO2007111631A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1951032B (zh) | 2004-05-04 | 2012-05-30 | 索尼公司 | 用于生成在mimo时隙中传输的信号的方法和设备 |
KR20060098111A (ko) * | 2005-03-09 | 2006-09-18 | 삼성전자주식회사 | 휴대용 기기 |
US7596112B2 (en) * | 2005-03-22 | 2009-09-29 | Interdigital Technology Corporation | Method and apparatus for rate compatible dirty paper coding |
US7856250B2 (en) * | 2006-03-28 | 2010-12-21 | Samsung Electronics Co., Ltd. | Apparatus and method for managing SOHO BTS interference using antenna beam coverage based on pilot strength measurement messages |
US8854252B2 (en) * | 2008-09-12 | 2014-10-07 | Propagation Research Associates, Inc. | Multi-mode, multi-static interferometer utilizing pseudo orthogonal codes |
US8718169B2 (en) * | 2010-06-15 | 2014-05-06 | Qualcomm Incorporated | Using a field format on a communication device |
KR20120018266A (ko) * | 2010-08-20 | 2012-03-02 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 방법을 사용하는 무선 통신 시스템에서 기지국의 전력 증폭기 소모 전력 제어 방법 및 장치 |
TWI452861B (zh) * | 2010-10-08 | 2014-09-11 | Realtek Semiconductor Corp | 天線分集裝置與天線分集方法 |
US10571224B2 (en) | 2015-05-04 | 2020-02-25 | Propagation Research Associates, Inc. | Systems, methods and computer-readable media for improving platform guidance or navigation using uniquely coded signals |
JP6480286B2 (ja) * | 2015-08-07 | 2019-03-06 | 日本電信電話株式会社 | 無線通信システム及び無線通信方法 |
US9736794B1 (en) | 2016-03-30 | 2017-08-15 | T-Mobile Usa, Inc. | Dynamic antenna reference signal transmission |
US10356719B2 (en) | 2016-06-24 | 2019-07-16 | Microsoft Technology Licensing, Llc | Skip-correlation based symmetric carrier sensing with multiple power levels |
US11018705B1 (en) | 2020-07-17 | 2021-05-25 | Propagation Research Associates, Inc. | Interference mitigation, target detection, location and measurement using separable waveforms transmitted from spatially separated antennas |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002009679A (ja) | 2000-06-26 | 2002-01-11 | Matsushita Electric Ind Co Ltd | 無線端末装置 |
US6711124B2 (en) | 2001-05-25 | 2004-03-23 | Ericsson Inc. | Time interval based channel estimation with transmit diversity |
US6987950B2 (en) * | 2002-07-25 | 2006-01-17 | Qualcomm, Incorporated | Radio with duplexer bypass capability |
US7352688B1 (en) * | 2002-12-31 | 2008-04-01 | Cisco Technology, Inc. | High data rate wireless bridging |
US7916803B2 (en) * | 2003-04-10 | 2011-03-29 | Qualcomm Incorporated | Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices |
JP4685772B2 (ja) | 2003-06-30 | 2011-05-18 | アギア システムズ インコーポレーテッド | 複数のアンテナにわたるインタリーブされた副搬送波を使用して多入力多出力通信システム内で符号を通信する方法および装置 |
US7352718B1 (en) * | 2003-07-22 | 2008-04-01 | Cisco Technology, Inc. | Spatial division multiple access for wireless networks |
US6917311B2 (en) * | 2003-08-11 | 2005-07-12 | Texas Instruments Incorporated | Orthogonal preamble encoder, method of encoding orthogonal preambles and multiple-input, multiple-output communication system employing the same |
US20050169397A1 (en) * | 2004-01-29 | 2005-08-04 | Texas Instruments Incorporated | Scalable data reception gain control for a multiple-input, multiple-output (MIMO) communications system |
US7643848B2 (en) * | 2004-04-13 | 2010-01-05 | Qualcomm, Incorporated | Multi-antenna transceiver system |
US8619907B2 (en) * | 2004-06-10 | 2013-12-31 | Agere Systems, LLC | Method and apparatus for preamble training in a multiple antenna communication system |
KR100719339B1 (ko) * | 2004-08-13 | 2007-05-17 | 삼성전자주식회사 | 다중 입력 다중 출력 무선 통신 시스템에서 채널 추정을통한 프레임 송수신 방법 |
-
2006
- 2006-03-24 US US11/388,330 patent/US8694030B2/en active Active
- 2006-07-31 WO PCT/US2006/029557 patent/WO2007111631A1/en active Application Filing
- 2006-07-31 JP JP2009501401A patent/JP5330223B2/ja not_active Expired - Fee Related
- 2006-07-31 EP EP06788875A patent/EP2002559B1/de not_active Expired - Fee Related
- 2006-07-31 DE DE602006017268T patent/DE602006017268D1/de active Active
- 2006-07-31 KR KR1020087023211A patent/KR101280205B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2007111631A1 (en) | 2007-10-04 |
US8694030B2 (en) | 2014-04-08 |
KR20080106447A (ko) | 2008-12-05 |
EP2002559A1 (de) | 2008-12-17 |
EP2002559B1 (de) | 2010-09-29 |
JP2009530965A (ja) | 2009-08-27 |
JP5330223B2 (ja) | 2013-10-30 |
KR101280205B1 (ko) | 2013-06-28 |
US20070224947A1 (en) | 2007-09-27 |
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