CN100505578C - 具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 - Google Patents
具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 Download PDFInfo
- Publication number
- CN100505578C CN100505578C CNB028167309A CN02816730A CN100505578C CN 100505578 C CN100505578 C CN 100505578C CN B028167309 A CNB028167309 A CN B028167309A CN 02816730 A CN02816730 A CN 02816730A CN 100505578 C CN100505578 C CN 100505578C
- Authority
- CN
- China
- Prior art keywords
- mse
- locality
- global
- combination
- minimum
- 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
Links
Images
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
-
- 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
- H04B7/0848—Joint weighting
- H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/918,770 US6745052B2 (en) | 2001-07-27 | 2001-07-27 | Method and apparatus for signal equalization in a communication system with multiple receiver antennas |
| US09/918,770 | 2001-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1547811A CN1547811A (zh) | 2004-11-17 |
| CN100505578C true CN100505578C (zh) | 2009-06-24 |
Family
ID=25440943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028167309A Expired - Fee Related CN100505578C (zh) | 2001-07-27 | 2002-07-25 | 具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6745052B2 (enExample) |
| EP (1) | EP1413070B1 (enExample) |
| JP (1) | JP2005502263A (enExample) |
| KR (1) | KR100932884B1 (enExample) |
| CN (1) | CN100505578C (enExample) |
| AT (1) | ATE409988T1 (enExample) |
| DE (1) | DE60229138D1 (enExample) |
| TW (1) | TW578398B (enExample) |
| WO (1) | WO2003021812A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7161974B2 (en) * | 2001-09-10 | 2007-01-09 | Sasken Communication Technologies Ltd. | Method for 2D antenna rake combining in a code division multiplication access system |
| US6882857B2 (en) * | 2002-11-26 | 2005-04-19 | Qualcomm, Incorporated | Method and apparatus for efficient processing of data for transmission in a communication system |
| GB0227626D0 (en) * | 2002-11-27 | 2003-01-08 | Koninkl Philips Electronics Nv | Low complexity equalizer for radio receiver |
| US7437135B2 (en) * | 2003-10-30 | 2008-10-14 | Interdigital Technology Corporation | Joint channel equalizer interference canceller advanced receiver |
| US7400692B2 (en) | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
| US7904039B2 (en) * | 2004-01-30 | 2011-03-08 | UNIVERSITé LAVAL | Multi-user adaptive array receiver and method |
| US8041233B2 (en) * | 2004-07-14 | 2011-10-18 | Fundación Tarpuy | Adaptive equalization in coherent fiber optic communication |
| JP4732161B2 (ja) * | 2005-12-27 | 2011-07-27 | 京セラ株式会社 | 無線通信装置及び無線通信制御方法 |
| US8411732B2 (en) | 2007-03-21 | 2013-04-02 | Qualcomm Incorporated | Fast square root algorithm for MIMO equalization |
| US8335248B2 (en) | 2007-03-21 | 2012-12-18 | Qualcomm Incorporated | Fast square root algorithm for MIMO equalization |
| JP2009135712A (ja) * | 2007-11-29 | 2009-06-18 | Kyocera Corp | 受信装置、無線基地局及び受信方法 |
| US8098767B2 (en) | 2007-12-20 | 2012-01-17 | Qualcomm Incorporated | Receiver adjustment between pilot bursts |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844951A (en) * | 1994-06-10 | 1998-12-01 | Northeastern University | Method and apparatus for simultaneous beamforming and equalization |
| US6240098B1 (en) * | 1995-08-22 | 2001-05-29 | Thomson-Csf | Method and device for space division multiplexing of radio signals transmitted in cellular radio communications |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2742619B1 (fr) * | 1995-12-15 | 1998-02-06 | Thomson Csf | Procede d'egalisation multicapteur permettant une reception multicapteur en presence d'interferences et de multitrajets de propagation, et recepteur pour sa mise en oeuvre |
| JP3323067B2 (ja) * | 1996-07-12 | 2002-09-09 | 沖電気工業株式会社 | Cdma受信装置 |
| JPH1051366A (ja) * | 1996-08-02 | 1998-02-20 | Nippon Telegr & Teleph Corp <Ntt> | ダイバーシチ受信器 |
| AU4238697A (en) * | 1996-08-29 | 1998-03-19 | Cisco Technology, Inc. | Spatio-temporal processing for communication |
| JPH11112395A (ja) * | 1997-09-30 | 1999-04-23 | Hitachi Denshi Ltd | 等化器 |
| JP3305639B2 (ja) * | 1997-12-24 | 2002-07-24 | 株式会社エヌ・ティ・ティ・ドコモ | 直接拡散cdma伝送方式におけるrake受信機 |
| US5973642A (en) * | 1998-04-01 | 1999-10-26 | At&T Corp. | Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference |
| ITMI981280A1 (it) * | 1998-06-05 | 1999-12-05 | Italtel Spa | Metodo di rqualizzazione spaziale e temporale a convergenza rapida per la cancellazione di interferenti isofrequenziali stazionari e non |
| US6574293B1 (en) * | 1998-10-28 | 2003-06-03 | Ericsson Inc. | Receivers and methods for reducing interference in radio communications |
| US7187907B2 (en) * | 2000-05-09 | 2007-03-06 | Bernard Widrow | Simultaneous two-way transmission of information signals in the same frequency band |
| US6434375B1 (en) * | 2000-09-13 | 2002-08-13 | Neoreach, Inc. | Smart antenna with no phase calibration for CDMA reverse link |
-
2001
- 2001-07-27 US US09/918,770 patent/US6745052B2/en not_active Expired - Fee Related
-
2002
- 2002-07-25 EP EP02756726A patent/EP1413070B1/en not_active Expired - Lifetime
- 2002-07-25 KR KR1020047001222A patent/KR100932884B1/ko not_active Expired - Fee Related
- 2002-07-25 DE DE60229138T patent/DE60229138D1/de not_active Expired - Lifetime
- 2002-07-25 JP JP2003526025A patent/JP2005502263A/ja active Pending
- 2002-07-25 AT AT02756726T patent/ATE409988T1/de not_active IP Right Cessation
- 2002-07-25 CN CNB028167309A patent/CN100505578C/zh not_active Expired - Fee Related
- 2002-07-25 WO PCT/US2002/023911 patent/WO2003021812A1/en not_active Ceased
- 2002-07-26 TW TW091116720A patent/TW578398B/zh not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5844951A (en) * | 1994-06-10 | 1998-12-01 | Northeastern University | Method and apparatus for simultaneous beamforming and equalization |
| US6240098B1 (en) * | 1995-08-22 | 2001-05-29 | Thomson-Csf | Method and device for space division multiplexing of radio signals transmitted in cellular radio communications |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100932884B1 (ko) | 2009-12-21 |
| US20030027598A1 (en) | 2003-02-06 |
| EP1413070B1 (en) | 2008-10-01 |
| WO2003021812A1 (en) | 2003-03-13 |
| KR20040018527A (ko) | 2004-03-03 |
| DE60229138D1 (de) | 2008-11-13 |
| CN1547811A (zh) | 2004-11-17 |
| TW578398B (en) | 2004-03-01 |
| US6745052B2 (en) | 2004-06-01 |
| JP2005502263A (ja) | 2005-01-20 |
| EP1413070A1 (en) | 2004-04-28 |
| ATE409988T1 (de) | 2008-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7826575B2 (en) | Selectively disabling interference cancellation based on channel dispersion estimation | |
| JP4944914B2 (ja) | コンフィデンス・メトリックに基づく閉ループ型送信ダイバーシチを実施する装置及び方法 | |
| US8068539B2 (en) | Adaptive interference cancellation algorithm using speech mode dependent thresholds | |
| US20090207899A1 (en) | Equalizer training method using re-encoded bits and known training sequences | |
| CN101150324B (zh) | 射频接收器及其运行方法 | |
| US7684481B2 (en) | High speed data packet access minimum mean squared equalization with direct matrix inversion training | |
| CN100505578C (zh) | 具有多接收机天线的通信系统中组合的空间和时间信号均衡的方法和装置 | |
| CN101919217A (zh) | 无线通信系统中的无线电接收器 | |
| JP3933597B2 (ja) | 送信方法およびそれを利用した無線装置 | |
| JP2005323384A (ja) | 線形フィルタ等化器 | |
| US20020054655A1 (en) | Method and apparatus for reducing multipath distortion in a wirless LAN system | |
| CN1130882C (zh) | 使用已接收信号方差来估计信道脉冲响应的方法和设备 | |
| US7184474B2 (en) | Colored noise detection algorithms | |
| KR20070110325A (ko) | 채널 이퀄라이제이션을 위한 방법 및 시스템 | |
| US20060222124A1 (en) | Method and apparatus for equalization control | |
| JP4763090B1 (ja) | 等化装置及び等化方法 | |
| TWI334281B (enExample) | ||
| HK1070194A (en) | Method and apparatus for combined spatial and temporal signal equalization in a communication system with multiple receiver antennas | |
| CN101904128B (zh) | 根据c/i调制格式缩放和限制数字接收信号的方法和装置 | |
| Shahani et al. | Reduction of FER with Channel Estimation Method in IoT Communication Using OFDM Technique | |
| US7450635B2 (en) | Single antenna interference cancellation within a wireless terminal | |
| Yoshii et al. | Adaptive spatial and temporal optimal receiver using adaptive array antenna | |
| WO2009086080A2 (en) | Scaling and clipping of a digital received signal according to the modulation format of the measured c/ i |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1070194 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1070194 Country of ref document: HK |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20110725 |