TW200640202A - Apparatus and method of canceling interference - Google Patents
Apparatus and method of canceling interferenceInfo
- Publication number
- TW200640202A TW200640202A TW095104916A TW95104916A TW200640202A TW 200640202 A TW200640202 A TW 200640202A TW 095104916 A TW095104916 A TW 095104916A TW 95104916 A TW95104916 A TW 95104916A TW 200640202 A TW200640202 A TW 200640202A
- Authority
- TW
- Taiwan
- Prior art keywords
- interference
- pilot signal
- linear
- suppressor
- canceller
- Prior art date
Links
Classifications
-
- 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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
-
- 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
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/056,226 US7508864B2 (en) | 2005-02-14 | 2005-02-14 | Apparatus and method of canceling interference |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200640202A true TW200640202A (en) | 2006-11-16 |
TWI325262B TWI325262B (en) | 2010-05-21 |
Family
ID=36498868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095104916A TWI325262B (en) | 2005-02-14 | 2006-02-14 | Apparatus and method of canceling interference |
Country Status (3)
Country | Link |
---|---|
US (1) | US7508864B2 (zh) |
TW (1) | TWI325262B (zh) |
WO (1) | WO2006088782A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI394391B (zh) * | 2008-07-14 | 2013-04-21 | Nec Corp | 移動通信系統、基地台、干擾除去方法 |
TWI395418B (zh) * | 2008-09-11 | 2013-05-01 | Nec Corp | 移動通信系統、基地台、干擾除去方法 |
US8509293B2 (en) | 2008-08-19 | 2013-08-13 | Qualcomm Incorporated | Semi-coherent timing propagation for GERAN multislot configurations |
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 |
US8831149B2 (en) | 2009-09-03 | 2014-09-09 | Qualcomm Incorporated | Symbol estimation methods and apparatuses |
US8995417B2 (en) | 2008-06-09 | 2015-03-31 | Qualcomm Incorporated | Increasing capacity in wireless communication |
US9673837B2 (en) | 2009-11-27 | 2017-06-06 | Qualcomm Incorporated | Increasing capacity in wireless communications |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8223904B2 (en) * | 2005-08-22 | 2012-07-17 | Qualcomm Incorporated | Multiple hypothesis decoding |
JP2010520719A (ja) | 2007-03-02 | 2010-06-10 | クゥアルコム・インコーポレイテッド | 適応アンテナアレイを利用する適応オンチャネル中継器におけるフィルタバンクの使用 |
US7929629B2 (en) * | 2008-02-07 | 2011-04-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for improved channel estimation for communications signal processing |
US20110032838A1 (en) * | 2009-08-04 | 2011-02-10 | Qualcomm Incorporated | Mitigation of crs misalignment in coordinated multipoint communications |
US8311484B2 (en) * | 2009-09-15 | 2012-11-13 | Broadcom Corporation | Method and system for interference suppression using information from non-listened base stations |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6201799B1 (en) | 1997-05-01 | 2001-03-13 | Lucent Technologies, Inc | Partial decorrelation for a coherent multicode code division multiple access receiver |
US6498784B1 (en) | 1998-10-20 | 2002-12-24 | Interdigital Technology Corporation | Cancellation of pilot and traffic signals |
US6370129B1 (en) * | 1999-06-28 | 2002-04-09 | Lucent Technologies, Inc. | High-speed data services using multiple transmit antennas |
US6570909B1 (en) * | 1999-07-09 | 2003-05-27 | Nokia Mobile Phones | Interference suppression in a CDMA receiver |
KR100426623B1 (ko) * | 2001-12-22 | 2004-04-13 | 한국전자통신연구원 | 인접 기지국 파일럿 신호 제거를 위한 이동통신 단말기의복조 장치 및 그 방법 |
US20030124975A1 (en) * | 2001-12-31 | 2003-07-03 | Alon Ram | Global positioning system (GPS) with cellular infrastructure |
US7099378B2 (en) * | 2003-01-30 | 2006-08-29 | The Mitre Corporation | Sub-symbol parallel interference cancellation |
US7177297B2 (en) * | 2003-05-12 | 2007-02-13 | Qualcomm Incorporated | Fast frequency hopping with a code division multiplexed pilot in an OFDMA system |
CN1806395A (zh) | 2003-05-23 | 2006-07-19 | 阿克西奥康姆股份有限公司 | 利用导频抵消均衡的系统 |
US7340014B2 (en) * | 2003-12-31 | 2008-03-04 | Intel Corporation | Apparatus and method of multi-user detection |
-
2005
- 2005-02-14 US US11/056,226 patent/US7508864B2/en not_active Expired - Fee Related
-
2006
- 2006-02-14 WO PCT/US2006/004995 patent/WO2006088782A1/en active Application Filing
- 2006-02-14 TW TW095104916A patent/TWI325262B/zh not_active IP Right Cessation
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8675796B2 (en) | 2008-05-13 | 2014-03-18 | Qualcomm Incorporated | Interference cancellation under non-stationary conditions |
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 |
US8532685B2 (en) | 2008-07-14 | 2013-09-10 | Nec Corporation | Mobile communication system, base station and interference removal method |
TWI394391B (zh) * | 2008-07-14 | 2013-04-21 | Nec Corp | 移動通信系統、基地台、干擾除去方法 |
US8509293B2 (en) | 2008-08-19 | 2013-08-13 | Qualcomm Incorporated | Semi-coherent timing propagation for GERAN multislot configurations |
US8588828B2 (en) | 2008-09-11 | 2013-11-19 | Nec Corporation | Mobile communication system, base station and interference cancellation method |
TWI395418B (zh) * | 2008-09-11 | 2013-05-01 | Nec Corp | 移動通信系統、基地台、干擾除去方法 |
US8787509B2 (en) | 2009-06-04 | 2014-07-22 | Qualcomm Incorporated | Iterative interference cancellation receiver |
US8619928B2 (en) | 2009-09-03 | 2013-12-31 | Qualcomm Incorporated | Multi-stage interference suppression |
US8831149B2 (en) | 2009-09-03 | 2014-09-09 | Qualcomm Incorporated | Symbol estimation methods and apparatuses |
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 |
---|---|
TWI325262B (en) | 2010-05-21 |
US20060209931A1 (en) | 2006-09-21 |
US7508864B2 (en) | 2009-03-24 |
WO2006088782A1 (en) | 2006-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |