TW200737772A - Device and method of performing channel estimation for OFDM-based wireless communication system - Google Patents
Device and method of performing channel estimation for OFDM-based wireless communication systemInfo
- Publication number
- TW200737772A TW200737772A TW096101081A TW96101081A TW200737772A TW 200737772 A TW200737772 A TW 200737772A TW 096101081 A TW096101081 A TW 096101081A TW 96101081 A TW96101081 A TW 96101081A TW 200737772 A TW200737772 A TW 200737772A
- Authority
- TW
- Taiwan
- Prior art keywords
- ofdm
- wireless communication
- communication system
- based wireless
- channel estimation
- Prior art date
Links
Classifications
-
- 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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75791006P | 2006-01-11 | 2006-01-11 | |
US11/621,960 US7817735B2 (en) | 2006-01-11 | 2007-01-10 | Device and method of performing channel estimation for OFDM-based wireless communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200737772A true TW200737772A (en) | 2007-10-01 |
Family
ID=38232744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW096101081A TW200737772A (en) | 2006-01-11 | 2007-01-11 | Device and method of performing channel estimation for OFDM-based wireless communication system |
Country Status (3)
Country | Link |
---|---|
US (1) | US7817735B2 (zh) |
TW (1) | TW200737772A (zh) |
WO (1) | WO2007082285A2 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE435552T1 (de) * | 2006-02-10 | 2009-07-15 | Ericsson Telefon Ab L M | Kanalschätzer und verfahren zur kanalschätzung |
EP2140561B1 (en) * | 2007-04-26 | 2017-12-13 | Samsung Electronics Co., Ltd. | A method and an apparatus for estimating a delay spread of a multipath channel |
US7940864B2 (en) * | 2008-04-28 | 2011-05-10 | Newport Media, Inc. | Channel estimation for high doppler mobile environments |
US8750803B2 (en) * | 2009-06-17 | 2014-06-10 | Nokia Corporation | Interference cancellation for predictive signals |
CN102104433B (zh) * | 2009-12-21 | 2014-05-14 | 上海贝尔股份有限公司 | 符号检测方法和符号检测设备 |
CN101854315B (zh) * | 2010-05-31 | 2012-08-22 | 合肥东芯通信股份有限公司 | 一种信道估计系统和方法 |
US8744015B2 (en) | 2010-06-04 | 2014-06-03 | Blackberry Limited | Message decoding for discretized signal transmissions |
KR20120069174A (ko) * | 2010-12-20 | 2012-06-28 | 삼성전자주식회사 | 무선통신시스템에서 임의 접근 신호 수신 장치 및 방법 |
US8817834B2 (en) * | 2011-05-02 | 2014-08-26 | Maxlinear, Inc. | Method and system for I/Q mismatch calibration and compensation for wideband communication receivers |
GB2513677B (en) * | 2013-10-17 | 2015-09-02 | Imagination Tech Ltd | Channel impulse response |
US9525522B2 (en) * | 2014-02-05 | 2016-12-20 | Qualcomm Incorporated | Systems and methods for improved communication efficiency in high efficiency wireless networks |
US10361898B2 (en) * | 2016-08-20 | 2019-07-23 | Huawei Technologies Co., Ltd. | Complexity reduction for OFDM signal transmissions |
US10256997B2 (en) | 2016-12-16 | 2019-04-09 | Cisco Technology, Inc. | Computing transmit and receive filters for a network device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5924499A (en) | 1997-04-21 | 1999-07-20 | Halliburton Energy Services, Inc. | Acoustic data link and formation property sensor for downhole MWD system |
US6912258B2 (en) * | 2000-07-07 | 2005-06-28 | Koninklijke Philips Electtronics N.V. | Frequency-domain equalizer for terrestrial digital TV reception |
US20020176485A1 (en) | 2001-04-03 | 2002-11-28 | Hudson John E. | Multi-cast communication system and method of estimating channel impulse responses therein |
AU2003903826A0 (en) * | 2003-07-24 | 2003-08-07 | University Of South Australia | An ofdm receiver structure |
KR20050042786A (ko) * | 2002-08-13 | 2005-05-10 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 다중 경로 채널과 잡음 분산 추정 방법 및 시스템 |
US7173973B2 (en) * | 2003-10-31 | 2007-02-06 | Nokia Corporation | Multiple-antenna partially coherent constellations for multi-carrier systems |
US7616698B2 (en) | 2003-11-04 | 2009-11-10 | Atheros Communications, Inc. | Multiple-input multiple output system and method |
US8040986B2 (en) * | 2003-11-26 | 2011-10-18 | Texas Instruments Incorporated | Frequency-domain subchannel transmit antenna selection and power pouring for multi-antenna transmission |
US7609786B2 (en) | 2004-01-28 | 2009-10-27 | Qualcomm Incorporated | Channel estimation for a communication system using spectral estimation |
US7701917B2 (en) | 2004-02-05 | 2010-04-20 | Qualcomm Incorporated | Channel estimation for a wireless communication system with multiple parallel data streams |
US20070297522A1 (en) * | 2004-05-28 | 2007-12-27 | Koninklijke Philips Electronics, N.V. | Method for Signal Processing and a Signal Processor in an Ofdm System |
JP2008532432A (ja) | 2005-03-01 | 2008-08-14 | クゥアルコム・インコーポレイテッド | 多重送信モードでのチャネル評価最適化 |
WO2007015292A1 (ja) * | 2005-08-02 | 2007-02-08 | Mitsubishi Denki Kabushiki Kaisha | 通信装置および無線通信システム |
CN1968239A (zh) * | 2005-11-17 | 2007-05-23 | 松下电器产业株式会社 | 用于多小区正交频分多址系统的载波分配方法 |
US20070127592A1 (en) * | 2005-11-22 | 2007-06-07 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving a signal in a communication system |
-
2007
- 2007-01-10 US US11/621,960 patent/US7817735B2/en active Active - Reinstated
- 2007-01-11 WO PCT/US2007/060419 patent/WO2007082285A2/en active Application Filing
- 2007-01-11 TW TW096101081A patent/TW200737772A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
US20070160159A1 (en) | 2007-07-12 |
US7817735B2 (en) | 2010-10-19 |
WO2007082285A2 (en) | 2007-07-19 |
WO2007082285A3 (en) | 2008-01-31 |
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