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, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
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 |
|---|---|---|---|---|
| DE602006007536D1 (de) * | 2006-02-10 | 2009-08-13 | Ericsson Telefon Ab L M | Kanalschätzer und Verfahren zur Kanalschätzung |
| US7957481B2 (en) * | 2007-04-26 | 2011-06-07 | Nanoradio Ab | 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 |
| WO2004015946A1 (en) * | 2002-08-13 | 2004-02-19 | Koninklijke Philips Electronics N.V. | Joint channel and noise variance estimation in a wideband ofdm system |
| 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 |
| CN1961550A (zh) * | 2004-05-28 | 2007-05-09 | 皇家飞利浦电子股份有限公司 | Ofdm系统中用于信号处理的方法和信号处理器 |
| TW200704072A (en) | 2005-03-01 | 2007-01-16 | Qualcomm Inc | Channel estimation optimization for multiple transmit modes |
| US7983351B2 (en) * | 2005-08-02 | 2011-07-19 | Mitsubishi Electric Corporation | Communication apparatus and radio communication system |
| 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 |
| KR100842521B1 (ko) * | 2005-11-22 | 2008-07-01 | 삼성전자주식회사 | 통신 시스템에서 신호 송수신 장치 및 방법 |
-
2007
- 2007-01-10 US US11/621,960 patent/US7817735B2/en active Active - Reinstated
- 2007-01-11 TW TW096101081A patent/TW200737772A/zh unknown
- 2007-01-11 WO PCT/US2007/060419 patent/WO2007082285A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US7817735B2 (en) | 2010-10-19 |
| WO2007082285A3 (en) | 2008-01-31 |
| US20070160159A1 (en) | 2007-07-12 |
| WO2007082285A2 (en) | 2007-07-19 |
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