AU2001296728A1 - Receiver architecture for transmit diversity in cdma system - Google Patents
Receiver architecture for transmit diversity in cdma systemInfo
- Publication number
- AU2001296728A1 AU2001296728A1 AU2001296728A AU9672801A AU2001296728A1 AU 2001296728 A1 AU2001296728 A1 AU 2001296728A1 AU 2001296728 A AU2001296728 A AU 2001296728A AU 9672801 A AU9672801 A AU 9672801A AU 2001296728 A1 AU2001296728 A1 AU 2001296728A1
- Authority
- AU
- Australia
- Prior art keywords
- value
- rake receiver
- combined signal
- combines
- multipath echoes
- 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.)
- Abandoned
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
-
- 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
- H04B7/0667—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 delayed versions of same signal
- H04B7/0669—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 delayed versions of same signal using different channel coding between antennas
-
- 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)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09725632 | 2000-11-29 | ||
US09/725,632 US6754253B2 (en) | 2000-11-29 | 2000-11-29 | Receiver architecture for transmit diversity in CDMA system |
PCT/US2001/031476 WO2002045294A1 (en) | 2000-11-29 | 2001-10-10 | Receiver architecture for transmit diversity in cdma system |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001296728A1 true AU2001296728A1 (en) | 2002-06-11 |
Family
ID=24915352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001296728A Abandoned AU2001296728A1 (en) | 2000-11-29 | 2001-10-10 | Receiver architecture for transmit diversity in cdma system |
Country Status (9)
Country | Link |
---|---|
US (1) | US6754253B2 (de) |
EP (1) | EP1338101B1 (de) |
KR (1) | KR100819631B1 (de) |
AT (1) | ATE382211T1 (de) |
AU (1) | AU2001296728A1 (de) |
DE (1) | DE60132107T2 (de) |
ES (1) | ES2295215T3 (de) |
MY (1) | MY126162A (de) |
WO (1) | WO2002045294A1 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7088785B2 (en) * | 1998-12-31 | 2006-08-08 | Texas Instruments Incorporated | Block level space time transmit diversity in wireless communications |
US7050510B2 (en) * | 2000-12-29 | 2006-05-23 | Lucent Technologies Inc. | Open-loop diversity technique for systems employing four transmitter antennas |
CA2374699C (en) * | 2001-03-06 | 2009-02-03 | Research In Motion Limited | Method and apparatus for frequency tracking in a space time transmit diversity receiver |
US6888878B2 (en) * | 2001-03-12 | 2005-05-03 | Motorola, Inc. | Signal combining within a communication system |
US7209461B2 (en) * | 2001-05-09 | 2007-04-24 | Qualcomm Incorporated | Method and apparatus for chip-rate processing in a CDMA system |
KR100391981B1 (ko) * | 2001-06-16 | 2003-07-22 | 삼성전자주식회사 | 복수의 안테나를 통해 전송된 신호에서 데이터를 재생하는장치 |
US6958984B2 (en) * | 2001-08-02 | 2005-10-25 | Motorola, Inc. | Method and apparatus for aggregation of wireless resources of proximal wireless units to facilitate diversity signal combining |
JP4606668B2 (ja) * | 2001-09-17 | 2011-01-05 | Okiセミコンダクタ株式会社 | 電力制御回路及び電力制御方法 |
US6765952B2 (en) * | 2002-05-06 | 2004-07-20 | Qualcomm Incorporated | Transmit diversity pilot processing |
SG101543A1 (en) * | 2002-07-05 | 2004-01-30 | Univ Singapore | A wireless communication apparatus and method |
WO2004010606A1 (fr) * | 2002-07-19 | 2004-01-29 | Huawei Technologies Co., Ltd. | Procede et appareil permettant de recevoir une sttd a ponderation adaptative |
US7720130B2 (en) * | 2002-08-28 | 2010-05-18 | Texas Instruments Incorporated | Efficient receiver architecture for transmit diversity techniques |
US7333575B2 (en) * | 2003-03-06 | 2008-02-19 | Nokia Corporation | Method and apparatus for receiving a CDMA signal |
US6995693B1 (en) * | 2003-12-04 | 2006-02-07 | Rockwell Collins, Inc. | Method and apparatus for multiple input diversity decoding |
US7340014B2 (en) * | 2003-12-31 | 2008-03-04 | Intel Corporation | Apparatus and method of multi-user detection |
US7643839B2 (en) * | 2004-10-06 | 2010-01-05 | Broadcom Corporation | Method and system for diversity processing |
US7715806B2 (en) | 2004-10-06 | 2010-05-11 | Broadcom Corporation | Method and system for diversity processing including using dedicated pilot method for closed loop |
KR100703366B1 (ko) * | 2004-12-21 | 2007-04-03 | 삼성전자주식회사 | 무선 송수신기의 노이즈 제거 장치 |
US7711029B2 (en) * | 2005-12-02 | 2010-05-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Hopping pilot pattern for telecommunications |
US20070242666A1 (en) * | 2006-04-13 | 2007-10-18 | Alcatel | Apparatus for managing requests for data in a communication network |
EP2067327B1 (de) * | 2006-09-11 | 2015-04-15 | Telefonaktiebolaget LM Ericsson (publ) | Detektion von Zeit-Frequenz-Sprungmustern |
US8126031B2 (en) | 2007-08-07 | 2012-02-28 | Qualcomm Incorporated | Time-tracking management of demodulation elements in a receive diversity enabled rake receiver |
US8934519B2 (en) * | 2007-12-14 | 2015-01-13 | Telefonaktiebolaget Lm Ericsson (Publ) | RAKE or G-RAKE receiver structure for downlink transmit diversity signals |
US8108749B2 (en) * | 2008-03-06 | 2012-01-31 | Zoran Corporation | Diversity combining iterative decoder |
US8811331B2 (en) * | 2008-04-10 | 2014-08-19 | Telefonaktiebolaget L M Ericsson (Publ) | Pilot design using costas arrays |
US9020074B2 (en) * | 2010-02-18 | 2015-04-28 | Intel Mobile Communications GmbH | Apparatus and method for antenna diversity reception |
CN101951288A (zh) * | 2010-09-16 | 2011-01-19 | 华亚微电子(上海)有限公司 | 多径信号的同步误差处理方法以及处理装置 |
CN103580814B (zh) * | 2013-10-10 | 2017-06-30 | 南京邮电大学 | 一种基于终端直通的虚拟多入多出通信方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2924730B2 (ja) * | 1995-09-13 | 1999-07-26 | 日本電気株式会社 | 信号受信方法 |
US6366607B1 (en) * | 1998-05-14 | 2002-04-02 | Interdigital Technology Corporation | Processing for improved performance and reduced pilot |
US6301293B1 (en) * | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6304750B1 (en) | 1998-11-06 | 2001-10-16 | Lucent Technologies Inc. | Space-time diversity receiver for wireless systems |
US6128330A (en) * | 1998-11-24 | 2000-10-03 | Linex Technology, Inc. | Efficient shadow reduction antenna system for spread spectrum |
US6317411B1 (en) * | 1999-02-22 | 2001-11-13 | Motorola, Inc. | Method and system for transmitting and receiving signals transmitted from an antenna array with transmit diversity techniques |
JP2000315966A (ja) | 1999-02-25 | 2000-11-14 | Texas Instr Inc <Ti> | Tdd/wcdmaのための空間時間送信ダイバーシチ |
US6370129B1 (en) * | 1999-06-28 | 2002-04-09 | Lucent Technologies, Inc. | High-speed data services using multiple transmit antennas |
US6473467B1 (en) * | 2000-03-22 | 2002-10-29 | Qualcomm Incorporated | Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system |
EP2262157A3 (de) * | 2000-07-05 | 2011-03-23 | Sony Deutschland Gmbh | Pilotsmusterentwurf für ein STTD-Schema in einem OFDM-System |
-
2000
- 2000-11-29 US US09/725,632 patent/US6754253B2/en not_active Expired - Lifetime
-
2001
- 2001-10-10 AT AT01977623T patent/ATE382211T1/de not_active IP Right Cessation
- 2001-10-10 WO PCT/US2001/031476 patent/WO2002045294A1/en active IP Right Grant
- 2001-10-10 ES ES01977623T patent/ES2295215T3/es not_active Expired - Lifetime
- 2001-10-10 KR KR1020037006871A patent/KR100819631B1/ko not_active IP Right Cessation
- 2001-10-10 DE DE60132107T patent/DE60132107T2/de not_active Expired - Lifetime
- 2001-10-10 EP EP01977623A patent/EP1338101B1/de not_active Expired - Lifetime
- 2001-10-10 AU AU2001296728A patent/AU2001296728A1/en not_active Abandoned
- 2001-10-16 MY MYPI20014807A patent/MY126162A/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP1338101B1 (de) | 2007-12-26 |
KR20030061404A (ko) | 2003-07-18 |
DE60132107D1 (de) | 2008-02-07 |
MY126162A (en) | 2006-09-29 |
DE60132107T2 (de) | 2009-01-02 |
ES2295215T3 (es) | 2008-04-16 |
ATE382211T1 (de) | 2008-01-15 |
EP1338101A1 (de) | 2003-08-27 |
WO2002045294A1 (en) | 2002-06-06 |
US20020106008A1 (en) | 2002-08-08 |
US6754253B2 (en) | 2004-06-22 |
KR100819631B1 (ko) | 2008-04-04 |
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