CN1525768A - 移动通信系统中的传播路径推断方法 - Google Patents
移动通信系统中的传播路径推断方法 Download PDFInfo
- Publication number
- CN1525768A CN1525768A CNA031307108A CN03130710A CN1525768A CN 1525768 A CN1525768 A CN 1525768A CN A031307108 A CNA031307108 A CN A031307108A CN 03130710 A CN03130710 A CN 03130710A CN 1525768 A CN1525768 A CN 1525768A
- Authority
- CN
- China
- Prior art keywords
- propagation path
- signal
- data signal
- pilot signal
- path estimation
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000010295 mobile communication Methods 0.000 title claims description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 46
- 238000004364 calculation method Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 17
- 230000002238 attenuated effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Mobile Radio Communication Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003052234 | 2003-02-28 | ||
JP2003052234A JP4470377B2 (ja) | 2003-02-28 | 2003-02-28 | 移動通信システムにおける伝搬路推定方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1525768A true CN1525768A (zh) | 2004-09-01 |
CN100340122C CN100340122C (zh) | 2007-09-26 |
Family
ID=32767815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031307108A Expired - Lifetime CN100340122C (zh) | 2003-02-28 | 2003-05-07 | 移动通信系统中的传播路径推断方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7158770B2 (zh) |
EP (1) | EP1453261B1 (zh) |
JP (1) | JP4470377B2 (zh) |
CN (1) | CN100340122C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008113294A1 (en) * | 2007-03-16 | 2008-09-25 | Huawei Technologies Co., Ltd. | Optical impairment aware path computation architecture in pce based network |
CN102342053A (zh) * | 2009-03-03 | 2012-02-01 | 夏普株式会社 | 无线通信系统、接收装置、发送装置、无线通信系统的通信方法、控制程序和自主分散网络 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003332943A (ja) * | 2002-05-10 | 2003-11-21 | Ntt Docomo Inc | チャネル推定を行う無線通信局および無線通信方法 |
DE10322943B4 (de) * | 2003-05-21 | 2005-10-06 | Infineon Technologies Ag | Hardware-Vorrichtung zur Aufbereitung von Pilotsymbolen für eine Kanalschätzung mittels adaptiver Tiefpassfilterung |
JP4234667B2 (ja) | 2004-11-30 | 2009-03-04 | 株式会社東芝 | 移動体用ofdm受信装置 |
JP4697774B2 (ja) * | 2004-12-28 | 2011-06-08 | パナソニック株式会社 | 信号レベル調整装置、通信装置及び信号レベル調整方法 |
US8428001B2 (en) * | 2005-03-10 | 2013-04-23 | Qualcomm Incorporated | Timing corrections in a multi carrier system and propagation to a channel estimation time filter |
US20060209932A1 (en) * | 2005-03-18 | 2006-09-21 | Qualcomm Incorporated | Channel estimation for single-carrier systems |
US7693037B2 (en) * | 2005-06-21 | 2010-04-06 | Qualcomm Incorporated | Method and system for adapting an effective spreading sequence in a communication system using direct sequence spreading |
JP4635750B2 (ja) * | 2005-07-07 | 2011-02-23 | 日本電気株式会社 | 等化装置および等化方法 |
CN103297371B (zh) | 2006-02-08 | 2018-01-16 | 联想创新有限公司(香港) | 单载波传输系统、通信装置和用于其中的单载波传输方法 |
US8259852B2 (en) | 2006-07-19 | 2012-09-04 | Broadcom Corporation | Method and system for satellite communication |
DE602006017061D1 (de) * | 2006-07-21 | 2010-11-04 | Motorola Inc | Verfahren und Vorrichtung mit niedriger Komplexität zur Leistungsprüfung der Frequenzsprungsysteme |
US20080219332A1 (en) * | 2007-03-05 | 2008-09-11 | Qualcomm Incorporated | Apparatus and methods accounting for automatic gain control in a multi carrier system |
US8098567B2 (en) * | 2007-03-05 | 2012-01-17 | Qualcomm Incorporated | Timing adjustments for channel estimation in a multi carrier system |
US8787499B2 (en) * | 2007-03-27 | 2014-07-22 | Qualcomm Incorporated | Channel estimation with effective co-channel interference suppression |
JP2009171101A (ja) * | 2008-01-15 | 2009-07-30 | Japan Radio Co Ltd | デジタル遅延補間信号発生方法及びその装置 |
KR101643952B1 (ko) * | 2009-12-23 | 2016-08-01 | 삼성전자주식회사 | 이동 통신 시스템에서 채널 추정 장치 및 방법 |
KR20150004497A (ko) * | 2013-07-02 | 2015-01-13 | 한국전자통신연구원 | 태그 송신 장치 및 방법과 리더 수신 장치 |
US12095712B2 (en) * | 2020-12-23 | 2024-09-17 | Intel Corporation | Wireless communication within a control plane and a data plane |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5329547A (en) | 1993-03-11 | 1994-07-12 | Motorola, Inc. | Method and apparatus for coherent communication in a spread-spectrum communication system |
US5737327A (en) * | 1996-03-29 | 1998-04-07 | Motorola, Inc. | Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system |
WO1997039545A1 (fr) * | 1996-04-12 | 1997-10-23 | Ntt Mobile Communications Network Inc. | Procede et instrument permettant de mesurer le sir de reception et dispositif de commande de puissance d'emission |
JP3441636B2 (ja) * | 1997-11-21 | 2003-09-02 | 株式会社エヌ・ティ・ティ・ドコモ | チャネル推定値を求める装置および方法、受信装置ならびに伝送システム |
JP3913879B2 (ja) * | 1998-02-03 | 2007-05-09 | 富士通株式会社 | 移動速度に基づく通信制御装置および方法 |
US6507602B1 (en) * | 1999-01-07 | 2003-01-14 | Ericsson, Inc. | Smoothing receiver channel estimates using spectral estimation |
ATE320120T1 (de) * | 1999-12-01 | 2006-03-15 | Bitfehlerratenschätzung von pilotsignalen | |
US6314131B1 (en) * | 2000-03-24 | 2001-11-06 | Cadence Design Systems, Inc. | Method and system for channel estimation using multi-slot averaged interpolation |
-
2003
- 2003-02-28 JP JP2003052234A patent/JP4470377B2/ja not_active Expired - Lifetime
- 2003-05-07 CN CNB031307108A patent/CN100340122C/zh not_active Expired - Lifetime
- 2003-06-23 US US10/600,652 patent/US7158770B2/en not_active Expired - Lifetime
- 2003-07-09 EP EP03015513.9A patent/EP1453261B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008113294A1 (en) * | 2007-03-16 | 2008-09-25 | Huawei Technologies Co., Ltd. | Optical impairment aware path computation architecture in pce based network |
US9236972B2 (en) | 2007-03-16 | 2016-01-12 | Futurewei Technologies, Inc. | Optical impairment aware path computation architecture in PCE based network |
CN102342053A (zh) * | 2009-03-03 | 2012-02-01 | 夏普株式会社 | 无线通信系统、接收装置、发送装置、无线通信系统的通信方法、控制程序和自主分散网络 |
Also Published As
Publication number | Publication date |
---|---|
JP2004260774A (ja) | 2004-09-16 |
EP1453261B1 (en) | 2017-09-20 |
JP4470377B2 (ja) | 2010-06-02 |
US20040171398A1 (en) | 2004-09-02 |
EP1453261A1 (en) | 2004-09-01 |
CN100340122C (zh) | 2007-09-26 |
US7158770B2 (en) | 2007-01-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100340122C (zh) | 移动通信系统中的传播路径推断方法 | |
CN1182658C (zh) | 精确预告信号与干扰噪声比以提高通信系统性能的系统和方法 | |
CN1269338C (zh) | 发送设备、接收设备、发送方法和接收方法 | |
CN1300963C (zh) | 用于在ofdm通信系统中发送与接收部分发送序列的边信息的装置与方法 | |
CN1027335C (zh) | 数字接收机的信号加权系统 | |
CN1172472C (zh) | 移动通信系统中接收处理方法以及接收装置 | |
CN1252938C (zh) | 接收机、发射机-接收机和通信方法 | |
CN1187919C (zh) | 正交频分复用通信装置及传播路径估计方法 | |
CN1148922C (zh) | 信道均衡器的优化 | |
CN1256814C (zh) | 无线电接收设备和无线电接收方法 | |
CN1222130C (zh) | Ofdm通信装置及检波方法 | |
CN1663163A (zh) | 数据传输方法和系统 | |
CN1585396A (zh) | 多载波调制信号的脉冲噪声降低的方法及其装置 | |
CN1429427A (zh) | 用于计算Turbo解码器的软判决输入度量的方法和装置 | |
CN1898930A (zh) | 多载波mimo系统的速率选择 | |
CN1237074A (zh) | 用于测量在一个通信系统中的信道质量信息的系统和方法 | |
CN1951079A (zh) | 迭代的信道和干扰估计以及解码 | |
CN1842068A (zh) | 发送方法、接收方法、发送装置、接收装置 | |
CN1489852A (zh) | 在正交调制系统中用于减小错误的方法和设备 | |
JP2013503559A (ja) | 連続干渉除去によるmimoシステムにおける復号化する順序を決定する方法 | |
CN1489844A (zh) | 正交频分复用移动通信系统中的空时频率块码编码/解码设备和方法 | |
CN1992579A (zh) | 在高速共享控制信道上进行发送/接收的设备和方法 | |
CN101047688A (zh) | 一种估计信噪比的方法及装置 | |
KR20120062834A (ko) | 연속하는 간섭 소거를 이용하여 mimo 시스템에서 디코딩 순서를 결정하기 위한 방법들 | |
CN1640021A (zh) | 无线通信设备、接收设备及接收方案的选择方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20130905 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130905 Address after: Tokyo, Japan Patentee after: HITACHI CONSUMER ELECTRONICS Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi, Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150326 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP02 | Change in the address of a patent holder |
Address after: Kanagawa Patentee after: Hitachi Consumer Electronics Co.,Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150326 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Kanagawa Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20180116 Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Osaka Japan Patentee before: Hitachi Maxell, Ltd. |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220511 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20070926 |
|
CX01 | Expiry of patent term |