JP2002508129A - 受信信号の解釈 - Google Patents
受信信号の解釈Info
- Publication number
- JP2002508129A JP2002508129A JP50649599A JP50649599A JP2002508129A JP 2002508129 A JP2002508129 A JP 2002508129A JP 50649599 A JP50649599 A JP 50649599A JP 50649599 A JP50649599 A JP 50649599A JP 2002508129 A JP2002508129 A JP 2002508129A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- antenna
- signals
- channel
- antenna elements
- 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.)
- Ceased
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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.幾つかの別々のアンテナ素子から受信した信号の解釈方法において、 アンテナ素子から受信した信号(X1...X8)から、実質的に狭い角度セク ターから到着した信号を含んだ、動的に方向付けされた中間信号(X’1...X ’8)が形成され、 前記受信した信号は、前記動的に方向付けされた中間信号(X’1...X’8 )を併合することによって解釈されることを特徴とする方法。 2.前記動的に方向付けされた中間信号は、アンテナ素子から得られた信号に、 アンテナ素子から形成されたアンテナの感度をある方向に方向付ける係数を形 成する複合ビームを、掛け算することによって形成される、請求項1記載の方 法。 3.少なくとも、動的に方向付けされた第1の中間信号は、アンテナ素子から得 られた信号に、アンテナ素子から形成されたアンテナの感度を送信機の方向に 方向付ける係数を形成する複合ビームを、掛け算することによって形成される 、請求項1記載の方法。 4.伝送すべき信号はバーストを含んでおり、幾つかのバーストから得られる情 報は、アンテナの方向性を送信機の方向に定める係数を形成する複合ビームを 決定するために用いられる、請求項3記載の方法。 5.少なくとも動的に方向付けされた第2の中間信号は、該信号が第1の中間信 号と直交ビームローブを形成するように方向付けされる、請求項3記載の方法 。 6.中間信号の数はアンテナ素子の数より本質的に少ない請求項1または2記載 の方法。 7.動的に方向付けされた中間信号は、少なくとも2つのアンテナ素子の信号を 、時間・位置依存チャネル修正器を用いて、併合することによって形成される 、請求項1記載の方法。 8.前記時間・位置依存チャネル修正器は、シーケンスの平均エラーを最小にす るMMSE推定器である、請求項8記載の方法。 9.前記最適併合器は、多次元最尤シーケンス推定器MD−MLSEである請求 項1記載の方法。 10.前記多次元最尤シーケンス推定器は、ベクトルビタビアルアルゴリズムによ って実施される、請求項9記載の方法。 11.幾つかの異なるアンテナ素子から受信した信号を解釈する無線受信機におい て、該受信機は、 アンテナ素子から受信した信号(X1...X8)から、本質的に狭い角度セク ターからアンテナ素子に到達した信号を含む、動的に方向付けされた中間信号 (X’1...X’4)を形成する、信号方向付け手段と、 方向付けされた中間信号(X’1...X’4)を併合することによって信号を 解釈する併合手段と、 を備えることを特徴とする無線受信機。 12.前記信号方向付け手段はビーム形成器を含む、請求項11記載の無線受信機 。 13.前記信号方向付け手段はシーケンスの平均エラーを最小にするMMSE推定 器を含む、請求項11記載の無線受信機。 14.前記併合手段は多次元最尤シーケンス推定器MD−MLSEを含む、請求項 11記載の無線受信機。 15.前記多次元最尤シーケンス推定器MD−MLSEはベクトルビタビアルアル ゴリズムである、請求項14記載の無線受信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI972870 | 1997-07-04 | ||
FI972870A FI103618B1 (fi) | 1997-07-04 | 1997-07-04 | Vastaanotetun signaalin tulkitseminen |
PCT/FI1998/000569 WO1999001950A2 (en) | 1997-07-04 | 1998-07-03 | Interpretation of a received signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002508129A true JP2002508129A (ja) | 2002-03-12 |
Family
ID=8549198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50649599A Ceased JP2002508129A (ja) | 1997-07-04 | 1998-07-03 | 受信信号の解釈 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6580701B1 (ja) |
EP (1) | EP0993707A2 (ja) |
JP (1) | JP2002508129A (ja) |
CN (1) | CN1123991C (ja) |
AU (1) | AU745325B2 (ja) |
FI (1) | FI103618B1 (ja) |
NO (1) | NO20000004L (ja) |
WO (1) | WO1999001950A2 (ja) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013504265A (ja) * | 2009-09-03 | 2013-02-04 | クゥアルコム・インコーポレイテッド | シンボル推定方法および装置 |
US8619928B2 (en) | 2009-09-03 | 2013-12-31 | Qualcomm Incorporated | Multi-stage interference suppression |
US8675796B2 (en) | 2008-05-13 | 2014-03-18 | Qualcomm Incorporated | Interference cancellation under non-stationary conditions |
US8787509B2 (en) | 2009-06-04 | 2014-07-22 | Qualcomm Incorporated | Iterative interference cancellation receiver |
US8995417B2 (en) | 2008-06-09 | 2015-03-31 | Qualcomm Incorporated | Increasing capacity in wireless communication |
US9055545B2 (en) | 2005-08-22 | 2015-06-09 | Qualcomm Incorporated | Interference cancellation for wireless communications |
US9071344B2 (en) | 2005-08-22 | 2015-06-30 | Qualcomm Incorporated | Reverse link interference cancellation |
US9160577B2 (en) | 2009-04-30 | 2015-10-13 | Qualcomm Incorporated | Hybrid SAIC receiver |
US9237515B2 (en) | 2008-08-01 | 2016-01-12 | Qualcomm Incorporated | Successive detection and cancellation for cell pilot detection |
US9277487B2 (en) | 2008-08-01 | 2016-03-01 | Qualcomm Incorporated | Cell detection with interference cancellation |
US9509452B2 (en) | 2009-11-27 | 2016-11-29 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US9673837B2 (en) | 2009-11-27 | 2017-06-06 | Qualcomm Incorporated | Increasing capacity in wireless communications |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6232921B1 (en) * | 2000-01-11 | 2001-05-15 | Lucent Technologies Inc. | Method and system for adaptive signal processing for an antenna array |
CN1187935C (zh) * | 2000-04-06 | 2005-02-02 | 株式会社Ntt都科摩 | 多点传播传送方法及多点传播传送系统与移动台及基地台 |
US7965794B2 (en) * | 2000-05-05 | 2011-06-21 | Greenwich Technologies Associates | Method and apparatus for broadcasting with spatially diverse signals |
US6608588B2 (en) * | 2000-05-05 | 2003-08-19 | Greenwich Technologies Associates | Remote sensing using Rayleigh signaling |
US6823021B1 (en) | 2000-10-27 | 2004-11-23 | Greenwich Technologies Associates | Method and apparatus for space division multiple access receiver |
FI114258B (fi) * | 2000-06-09 | 2004-09-15 | Nokia Corp | Menetelmä häiriön vaikutuksen vähentämiseksi ja vastaanotin |
FI113590B (fi) * | 2000-09-13 | 2004-05-14 | Nokia Corp | Menetelmä suunnattujen antennikeilojen muodostamiseksi ja menetelmän toteuttava radiolähetin |
JP2002135185A (ja) * | 2000-10-19 | 2002-05-10 | Hitachi Kokusai Electric Inc | 受信機 |
US7319822B2 (en) * | 2001-12-20 | 2008-01-15 | Victor Yeeman Lo | System and method of space-time equalization to mitigate effects of fading and scintillation for wireless communication |
US6850741B2 (en) * | 2002-04-04 | 2005-02-01 | Agency For Science, Technology And Research | Method for selecting switched orthogonal beams for downlink diversity transmission |
US7126929B2 (en) * | 2002-12-26 | 2006-10-24 | Motorola, Inc. | Antenna method and apparatus |
US7496164B1 (en) * | 2003-05-02 | 2009-02-24 | At&T Mobility Ii Llc | Systems and methods for interference cancellation in a radio receiver system |
US8712428B2 (en) * | 2003-07-19 | 2014-04-29 | Polaris Wireless, Inc. | Location estimation of wireless terminals through pattern matching of deduced signal strengths |
US7450924B1 (en) * | 2004-03-25 | 2008-11-11 | At&T Mobility Ii Llc | Interference cancellation and receive diversity for single-valued modulation receivers |
WO2006073385A1 (en) * | 2004-12-31 | 2006-07-13 | Victor Yeeman Lo | A system and method of space-time equalization to mitigate effects of fading and scintillation for wireless communication |
US20070064828A1 (en) * | 2005-07-22 | 2007-03-22 | Aldana Carlos H | Method and system for multiple input multiple output (MIMO) channel estimation |
US8031794B2 (en) * | 2006-05-09 | 2011-10-04 | At&T Mobility Ii Llc | Systems and methods for interference cancellation in a multiple antenna radio receiver system |
ATE554613T1 (de) * | 2006-12-27 | 2012-05-15 | Telecom Italia Spa | Verfahren zur einstellung von timing- übertragungsparametern in einem einfrequenznetz |
CN104954086B (zh) * | 2014-03-31 | 2018-08-07 | 电信科学技术研究院 | 一种信号检测方法和装置 |
Family Cites Families (17)
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GB2036307B (en) | 1977-07-14 | 1982-07-21 | Elwing H | Method for the determination of biological substances by diffusion in a porous matrix or by electrophoriesis |
FR2542506B1 (fr) * | 1983-03-07 | 1985-06-28 | Thomson Csf | Systeme d'antenne electronique pour reseau cellulaire de radiotelephones associant des stations fixes a des postes mobiles et a des postes portatifs |
US4639914A (en) * | 1984-12-06 | 1987-01-27 | At&T Bell Laboratories | Wireless PBX/LAN system with optimum combining |
US5515378A (en) * | 1991-12-12 | 1996-05-07 | Arraycomm, Inc. | Spatial division multiple access wireless communication systems |
US5481570A (en) * | 1993-10-20 | 1996-01-02 | At&T Corp. | Block radio and adaptive arrays for wireless systems |
US5566209A (en) * | 1994-02-10 | 1996-10-15 | Telefonaktiebolaget Lm Ericsson | Transceiver algorithms of antenna arrays |
JPH10501395A (ja) * | 1994-06-03 | 1998-02-03 | テレフオンアクチーボラゲツト エル エム エリクソン | アンテナ用ダイバシティ結合 |
US5680419A (en) * | 1994-08-02 | 1997-10-21 | Ericsson Inc. | Method of and apparatus for interference rejection combining in multi-antenna digital cellular communications systems |
US6173014B1 (en) * | 1994-08-02 | 2001-01-09 | Telefonaktiebolaget Lm Ericsson | Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system |
US6081566A (en) * | 1994-08-02 | 2000-06-27 | Ericsson, Inc. | Method and apparatus for interference rejection with different beams, polarizations, and phase references |
DE69604595T2 (de) | 1995-08-22 | 2000-05-31 | Thomson Csf | Verfahren und anordnung zur räumlichen multiplexierung/demultiplexierung von funksignalen in einem sdma-mobilfunksystem |
GB2309616B (en) * | 1996-01-27 | 2000-05-17 | Motorola Ltd | A space division multiple access radio communication system and method for allocating channels therein |
US6147985A (en) * | 1997-05-01 | 2000-11-14 | Lucent Technologies Inc. | Subspace method for adaptive array weight tracking |
US6108565A (en) * | 1997-09-15 | 2000-08-22 | Adaptive Telecom, Inc. | Practical space-time radio method for CDMA communication capacity enhancement |
US6088408A (en) * | 1998-11-06 | 2000-07-11 | At & T Corp. | Decoding for generalized orthogonal designs for space-time codes for wireless communication |
JP3600054B2 (ja) * | 1998-02-24 | 2004-12-08 | 三洋電機株式会社 | 不揮発性半導体メモリ装置 |
EP1043801B1 (en) * | 1999-04-05 | 2005-09-14 | Nippon Telegraph and Telephone Corporation | Adaptive array antenna system |
-
1997
- 1997-07-04 FI FI972870A patent/FI103618B1/fi active
-
1998
- 1998-07-03 AU AU82178/98A patent/AU745325B2/en not_active Ceased
- 1998-07-03 WO PCT/FI1998/000569 patent/WO1999001950A2/en not_active Application Discontinuation
- 1998-07-03 EP EP98932191A patent/EP0993707A2/en not_active Withdrawn
- 1998-07-03 CN CN98806785.4A patent/CN1123991C/zh not_active Expired - Fee Related
- 1998-07-03 JP JP50649599A patent/JP2002508129A/ja not_active Ceased
-
1999
- 1999-12-29 US US09/474,606 patent/US6580701B1/en not_active Expired - Fee Related
-
2000
- 2000-01-03 NO NO20000004A patent/NO20000004L/no not_active Application Discontinuation
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9055545B2 (en) | 2005-08-22 | 2015-06-09 | Qualcomm Incorporated | Interference cancellation for wireless communications |
US9071344B2 (en) | 2005-08-22 | 2015-06-30 | Qualcomm Incorporated | Reverse link interference cancellation |
US8675796B2 (en) | 2008-05-13 | 2014-03-18 | Qualcomm Incorporated | Interference cancellation under non-stationary conditions |
US9408165B2 (en) | 2008-06-09 | 2016-08-02 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US8995417B2 (en) | 2008-06-09 | 2015-03-31 | Qualcomm Incorporated | Increasing capacity in wireless communication |
US9014152B2 (en) | 2008-06-09 | 2015-04-21 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US9237515B2 (en) | 2008-08-01 | 2016-01-12 | Qualcomm Incorporated | Successive detection and cancellation for cell pilot detection |
US9277487B2 (en) | 2008-08-01 | 2016-03-01 | Qualcomm Incorporated | Cell detection with interference cancellation |
US9160577B2 (en) | 2009-04-30 | 2015-10-13 | Qualcomm Incorporated | Hybrid SAIC receiver |
US8787509B2 (en) | 2009-06-04 | 2014-07-22 | Qualcomm Incorporated | Iterative interference cancellation receiver |
US8831149B2 (en) | 2009-09-03 | 2014-09-09 | Qualcomm Incorporated | Symbol estimation methods and apparatuses |
US8619928B2 (en) | 2009-09-03 | 2013-12-31 | Qualcomm Incorporated | Multi-stage interference suppression |
JP2013504265A (ja) * | 2009-09-03 | 2013-02-04 | クゥアルコム・インコーポレイテッド | シンボル推定方法および装置 |
US9509452B2 (en) | 2009-11-27 | 2016-11-29 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US9673837B2 (en) | 2009-11-27 | 2017-06-06 | Qualcomm Incorporated | Increasing capacity in wireless communications |
US10790861B2 (en) | 2009-11-27 | 2020-09-29 | Qualcomm Incorporated | Increasing capacity in wireless communications |
Also Published As
Publication number | Publication date |
---|---|
WO1999001950A2 (en) | 1999-01-14 |
CN1123991C (zh) | 2003-10-08 |
NO20000004L (no) | 2000-03-03 |
WO1999001950A3 (en) | 1999-03-25 |
AU745325B2 (en) | 2002-03-21 |
AU8217898A (en) | 1999-01-25 |
EP0993707A2 (en) | 2000-04-19 |
NO20000004D0 (no) | 2000-01-03 |
US6580701B1 (en) | 2003-06-17 |
CN1262001A (zh) | 2000-08-02 |
FI103618B (fi) | 1999-07-30 |
FI972870A (fi) | 1999-01-05 |
FI972870A0 (fi) | 1997-07-04 |
FI103618B1 (fi) | 1999-07-30 |
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