KR101028677B1 - 수신기 다중경로 cdma 신호의 채널 추정 - Google Patents
수신기 다중경로 cdma 신호의 채널 추정 Download PDFInfo
- Publication number
- KR101028677B1 KR101028677B1 KR1020107026656A KR20107026656A KR101028677B1 KR 101028677 B1 KR101028677 B1 KR 101028677B1 KR 1020107026656 A KR1020107026656 A KR 1020107026656A KR 20107026656 A KR20107026656 A KR 20107026656A KR 101028677 B1 KR101028677 B1 KR 101028677B1
- Authority
- KR
- South Korea
- Prior art keywords
- multipath
- multipath components
- channel
- channel estimates
- components
- Prior art date
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- Expired - Fee Related
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-
- 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
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
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- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/368,765 | 2003-02-18 | ||
| US10/368,765 US7257377B2 (en) | 2003-02-18 | 2003-02-18 | Systems and methods for improving channel estimation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057015220A Division KR101065236B1 (ko) | 2003-02-18 | 2004-02-18 | 수신기 다중경로 cdma 신호의 채널 추정 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100130241A KR20100130241A (ko) | 2010-12-10 |
| KR101028677B1 true KR101028677B1 (ko) | 2011-04-19 |
Family
ID=32850196
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020107026656A Expired - Fee Related KR101028677B1 (ko) | 2003-02-18 | 2004-02-18 | 수신기 다중경로 cdma 신호의 채널 추정 |
| KR1020057015220A Expired - Fee Related KR101065236B1 (ko) | 2003-02-18 | 2004-02-18 | 수신기 다중경로 cdma 신호의 채널 추정 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057015220A Expired - Fee Related KR101065236B1 (ko) | 2003-02-18 | 2004-02-18 | 수신기 다중경로 cdma 신호의 채널 추정 |
Country Status (17)
| Country | Link |
|---|---|
| US (3) | US7257377B2 (enExample) |
| EP (2) | EP2247048B1 (enExample) |
| JP (2) | JP4927528B2 (enExample) |
| KR (2) | KR101028677B1 (enExample) |
| CN (2) | CN101867532A (enExample) |
| AT (2) | ATE532302T1 (enExample) |
| AU (2) | AU2004214506B2 (enExample) |
| BR (1) | BRPI0407566A (enExample) |
| CA (2) | CA2812965A1 (enExample) |
| DE (1) | DE602004031285D1 (enExample) |
| ES (2) | ES2373636T3 (enExample) |
| IL (1) | IL170333A (enExample) |
| MX (1) | MXPA05008761A (enExample) |
| RU (1) | RU2367103C2 (enExample) |
| TW (1) | TWI356597B (enExample) |
| UA (1) | UA89023C2 (enExample) |
| WO (1) | WO2004075019A2 (enExample) |
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| US7257377B2 (en) * | 2003-02-18 | 2007-08-14 | Qualcomm, Incorporated | Systems and methods for improving channel estimation |
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| US9025638B2 (en) * | 2004-06-16 | 2015-05-05 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus to compensate for receiver frequency error in noise estimation processing |
| US7508863B2 (en) * | 2004-12-13 | 2009-03-24 | Alcatel-Lucent Usa Inc. | Method of processing multi-path signals |
| KR101302201B1 (ko) | 2005-12-10 | 2013-08-30 | 한국전자통신연구원 | 다중 간섭 잡음 제거 기능을 이용한 채널 추정 방법 및수신 장치 |
| US7893873B2 (en) | 2005-12-20 | 2011-02-22 | Qualcomm Incorporated | Methods and systems for providing enhanced position location in wireless communications |
| US8300651B1 (en) * | 2008-01-30 | 2012-10-30 | Marvell International Ltd. | Channel estimation with co-channel pilots suppression |
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| BR112012001022A2 (pt) * | 2009-07-15 | 2016-03-15 | Nortel Networks Ltd | seleção entre técnicas de estimativa de vários canais |
| KR20110018143A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 이동통신 시스템에서 등화기 수신기 및 방법 |
| US8818299B2 (en) | 2011-06-01 | 2014-08-26 | Andrew Llc | Broadband distributed antenna system with non-duplexer isolator sub-system |
| CN103929380B (zh) * | 2013-01-10 | 2017-04-26 | 晨星软件研发(深圳)有限公司 | 无线接收系统及其频道效应估计方法 |
| EP2982043B1 (en) * | 2013-04-05 | 2018-12-19 | Telefonaktiebolaget LM Ericsson (publ) | Apparatus and method for jointly selecting the tap values and delays of the fingers for a rake receiver of two carriers |
| CN103236993B (zh) * | 2013-04-17 | 2015-09-09 | 哈尔滨工业大学 | 一种基于多径延时分布的信道估计方法 |
| RU2544178C1 (ru) * | 2013-10-11 | 2015-03-10 | Открытое акционерное общество "Камчатский гидрофизический институт" (ОАО "КГФИ") | Устройство для приема дискретных сигналов, прошедших многолучевой канал связи |
| EP3407675B1 (en) | 2014-04-15 | 2022-03-09 | CommScope Technologies LLC | Wideband remote unit for distributed antenna system |
| US9479360B2 (en) | 2014-06-27 | 2016-10-25 | Samsung Electronics Co., Ltd | Receiver apparatus and reception method in wireless communication system |
| US9712345B2 (en) | 2015-04-06 | 2017-07-18 | Samsung Electronics Co., Ltd | Communication device and method of controlling same |
| CN106788807B (zh) * | 2017-02-21 | 2020-07-28 | 北京邮电大学 | 一种无线信道测试方法及装置 |
| US10320517B2 (en) | 2017-06-05 | 2019-06-11 | J3 Technology LLC | Switched transmit antennas with no feedback for multipath reduction |
| WO2019138156A1 (en) * | 2018-01-12 | 2019-07-18 | Nokia Technologies Oy | Profiled channel impulse response for accurate multipath parameter estimation |
| US10756863B2 (en) | 2018-05-11 | 2020-08-25 | At&T Intellectual Property I, L.P. | Transmitting reference signals in 5G or other next generation communication systems |
| WO2025041958A1 (ko) * | 2023-08-20 | 2025-02-27 | 삼성전자 주식회사 | 무선 통신 시스템에서 수신 장치에 수신된 신호를 처리하는 장치 및 방법 |
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