CN1113482C - 利用分集信号矩阵处理降低码元间干扰的方法和设备 - Google Patents
利用分集信号矩阵处理降低码元间干扰的方法和设备 Download PDFInfo
- Publication number
- CN1113482C CN1113482C CN96199971A CN96199971A CN1113482C CN 1113482 C CN1113482 C CN 1113482C CN 96199971 A CN96199971 A CN 96199971A CN 96199971 A CN96199971 A CN 96199971A CN 1113482 C CN1113482 C CN 1113482C
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- CN
- China
- Prior art keywords
- damage
- channel tap
- matrix
- utilize
- relevant
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
-
- 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
- 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
- H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/577,337 US5787131A (en) | 1995-12-22 | 1995-12-22 | Method and apparatus for mitigation of self interference using array processing |
US08/577,337 | 1995-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1209232A CN1209232A (zh) | 1999-02-24 |
CN1113482C true CN1113482C (zh) | 2003-07-02 |
Family
ID=24308277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96199971A Expired - Fee Related CN1113482C (zh) | 1995-12-22 | 1996-12-19 | 利用分集信号矩阵处理降低码元间干扰的方法和设备 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5787131A (zh) |
EP (1) | EP0868788B1 (zh) |
JP (1) | JP2000502533A (zh) |
KR (1) | KR19990076683A (zh) |
CN (1) | CN1113482C (zh) |
AU (1) | AU714443B2 (zh) |
BR (1) | BR9612162A (zh) |
CA (1) | CA2241155A1 (zh) |
DE (1) | DE69609525T2 (zh) |
WO (1) | WO1997023962A2 (zh) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5991273A (en) * | 1997-05-01 | 1999-11-23 | Nortel Networks Corporation | Determining SINR in a communications system |
US6147985A (en) * | 1997-05-01 | 2000-11-14 | Lucent Technologies Inc. | Subspace method for adaptive array weight tracking |
US6278752B1 (en) * | 1997-05-02 | 2001-08-21 | At&T Corporation | System and method to prevent error propagation |
US6128355A (en) * | 1997-05-21 | 2000-10-03 | Telefonaktiebolget Lm Ericsson | Selective diversity combining |
US6243428B1 (en) * | 1997-06-11 | 2001-06-05 | Ericsson Inc. | Method and apparatus for band-adaptive demodulation |
GB2327176B (en) * | 1997-07-08 | 2002-04-24 | Ericsson Telefon Ab L M | Signal quality measurement |
US6185258B1 (en) | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
DE69833780T2 (de) | 1997-10-31 | 2006-08-17 | Cingular Wireless Ii Llc. | Maximal-wahrscheinlichkeitsdetektion von verketteten raum/zeit kodes für schnurlose anwendungen mit sender-diversity |
US6188357B1 (en) | 1998-09-17 | 2001-02-13 | Novatel Inc. | System and method for mitigating static carrier-phase multipath effects |
US6459740B1 (en) * | 1998-09-17 | 2002-10-01 | At&T Wireless Services, Inc. | Maximum ratio transmission |
US6363104B1 (en) * | 1998-10-02 | 2002-03-26 | Ericsson Inc. | Method and apparatus for interference cancellation in a rake receiver |
GB0015511D0 (en) * | 2000-06-23 | 2000-08-16 | Univ Surrey | Antenna combiners |
US6907092B1 (en) * | 2000-07-14 | 2005-06-14 | Comsys Communication & Signal Processing Ltd. | Method of channel order selection and channel estimation in a wireless communication system |
US7000175B2 (en) * | 2000-11-03 | 2006-02-14 | Agere Systems Inc. | Method and apparatus for pipelined joint equalization and decoding for gigabit communications |
KR100376616B1 (ko) * | 2000-11-25 | 2003-03-17 | (주) 엔시스텍 | Dsl전송시 isi 저감을 위한 가변펄스폭 ami방법 |
FR2831735B1 (fr) * | 2001-10-26 | 2004-01-30 | France Telecom | Annuleur d'interferences entre symboles |
US8588350B2 (en) * | 2002-12-09 | 2013-11-19 | Koninklijke Philips N.V. | Diversity receiver having cross coupled channel parameter estimation |
US8457264B2 (en) * | 2003-02-28 | 2013-06-04 | Vixs Systems, Inc. | Radio receiver having a diversity antenna structure |
US7397843B2 (en) * | 2004-08-04 | 2008-07-08 | Telefonaktiebolaget L L M Ericsson (Publ) | Reduced complexity soft value generation for multiple-input multiple-output (MIMO) joint detection generalized RAKE (JD-GRAKE) receivers |
US7630687B2 (en) | 2004-12-03 | 2009-12-08 | Microsoft Corporation | Extensible framework for mitigating interference problems in wireless networking |
US7664465B2 (en) * | 2005-11-04 | 2010-02-16 | Microsoft Corporation | Robust coexistence service for mitigating wireless network interference |
US8874935B2 (en) | 2011-08-30 | 2014-10-28 | Microsoft Corporation | Sector map-based rapid data encryption policy compliance |
US10615967B2 (en) | 2014-03-20 | 2020-04-07 | Microsoft Technology Licensing, Llc | Rapid data protection for storage devices |
US9825945B2 (en) | 2014-09-09 | 2017-11-21 | Microsoft Technology Licensing, Llc | Preserving data protection with policy |
US9853812B2 (en) | 2014-09-17 | 2017-12-26 | Microsoft Technology Licensing, Llc | Secure key management for roaming protected content |
JP6461992B2 (ja) | 2014-11-05 | 2019-01-30 | キヤノン電子株式会社 | 特定装置、その制御方法、及びプログラム |
US9900295B2 (en) | 2014-11-05 | 2018-02-20 | Microsoft Technology Licensing, Llc | Roaming content wipe actions across devices |
US9853820B2 (en) | 2015-06-30 | 2017-12-26 | Microsoft Technology Licensing, Llc | Intelligent deletion of revoked data |
US9900325B2 (en) | 2015-10-09 | 2018-02-20 | Microsoft Technology Licensing, Llc | Passive encryption of organization data |
US11290170B1 (en) | 2020-11-04 | 2022-03-29 | Qualcomm Incorporated | Sub-terahertz sub-band flattening feedback |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319677A (en) * | 1992-05-12 | 1994-06-07 | Hughes Aircraft Company | Diversity combiner with MLSE for digital cellular radio |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5031193A (en) * | 1989-11-13 | 1991-07-09 | Motorola, Inc. | Method and apparatus for diversity reception of time-dispersed signals |
DE4039245A1 (de) * | 1990-12-08 | 1992-06-11 | Philips Patentverwaltung | Empfaenger mit mindestens zwei empfangszweigen |
US5621769A (en) * | 1992-06-08 | 1997-04-15 | Novatel Communications Ltd. | Adaptive-sequence-estimation apparatus employing diversity combining/selection |
US5499272A (en) * | 1994-05-31 | 1996-03-12 | Ericsson Ge Mobile Communications Inc. | Diversity receiver for signals with multipath time dispersion |
US5481572A (en) * | 1994-08-02 | 1996-01-02 | Ericsson Inc. | Method of and apparatus for reducing the complexitiy of a diversity combining and sequence estimation receiver |
-
1995
- 1995-12-22 US US08/577,337 patent/US5787131A/en not_active Expired - Lifetime
-
1996
- 1996-12-19 CA CA002241155A patent/CA2241155A1/en not_active Abandoned
- 1996-12-19 WO PCT/US1996/019776 patent/WO1997023962A2/en active IP Right Grant
- 1996-12-19 EP EP96945936A patent/EP0868788B1/en not_active Expired - Lifetime
- 1996-12-19 KR KR1019980704795A patent/KR19990076683A/ko active IP Right Grant
- 1996-12-19 JP JP09523706A patent/JP2000502533A/ja active Pending
- 1996-12-19 DE DE69609525T patent/DE69609525T2/de not_active Expired - Lifetime
- 1996-12-19 BR BR9612162A patent/BR9612162A/pt not_active IP Right Cessation
- 1996-12-19 AU AU17429/97A patent/AU714443B2/en not_active Ceased
- 1996-12-19 CN CN96199971A patent/CN1113482C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5319677A (en) * | 1992-05-12 | 1994-06-07 | Hughes Aircraft Company | Diversity combiner with MLSE for digital cellular radio |
Non-Patent Citations (2)
Title |
---|
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 1991-02-01 ADACHI F ET AL BER PERFORMANCE OF QDPSK WITH POSTDETECTION DIVERSITY RECEPTION IN MOBILE RADIO CHANN * |
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 1993-11-01 WINTERS J H SIGNAL ACQUISITION AND TRACKING WITH ADAPTIVE ARRAYS IN THE FLAT FADING * |
Also Published As
Publication number | Publication date |
---|---|
DE69609525D1 (de) | 2000-08-31 |
EP0868788B1 (en) | 2000-07-26 |
CA2241155A1 (en) | 1997-07-03 |
EP0868788A2 (en) | 1998-10-07 |
WO1997023962A3 (en) | 1997-08-07 |
CN1209232A (zh) | 1999-02-24 |
KR19990076683A (ko) | 1999-10-15 |
US5787131A (en) | 1998-07-28 |
JP2000502533A (ja) | 2000-02-29 |
WO1997023962A2 (en) | 1997-07-03 |
DE69609525T2 (de) | 2001-03-29 |
AU1742997A (en) | 1997-07-17 |
AU714443B2 (en) | 2000-01-06 |
BR9612162A (pt) | 1999-07-13 |
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C14 | Grant of patent or utility model | ||
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ASS | Succession or assignment of patent right |
Owner name: CLUSTER CO., LTD. Free format text: FORMER OWNER: ERICSSON CO. Effective date: 20130701 Owner name: UNWIRED PLANET INC. Free format text: FORMER OWNER: CLUSTER CO., LTD. Effective date: 20130701 |
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Effective date of registration: 20130701 Address after: Nevada Patentee after: Wireless Planet LLC Address before: Delaware Patentee before: Clastres LLC Effective date of registration: 20130701 Address after: Delaware Patentee after: Clastres LLC Address before: North Carolina Patentee before: ERICSSON Inc. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030702 Termination date: 20141219 |
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