CN1826737B - Ofdm通信*** - Google Patents
Ofdm通信*** Download PDFInfo
- Publication number
- CN1826737B CN1826737B CN2004800208485A CN200480020848A CN1826737B CN 1826737 B CN1826737 B CN 1826737B CN 2004800208485 A CN2004800208485 A CN 2004800208485A CN 200480020848 A CN200480020848 A CN 200480020848A CN 1826737 B CN1826737 B CN 1826737B
- Authority
- CN
- China
- Prior art keywords
- stream
- spread
- pilot
- chips
- symbol
- 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.)
- Active
Links
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
-
- 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
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference 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
- H04L27/2626—Arrangements specific to the transmitter only
-
- 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
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA
-
- 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/628,680 US6999467B2 (en) | 2003-07-28 | 2003-07-28 | Method and apparatus for transmission and reception within an OFDM communication system |
US10/628,680 | 2003-07-28 | ||
PCT/US2004/022333 WO2005013530A2 (en) | 2003-07-28 | 2004-07-13 | Ofdm communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1826737A CN1826737A (zh) | 2006-08-30 |
CN1826737B true CN1826737B (zh) | 2010-05-26 |
Family
ID=34115742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004800208485A Active CN1826737B (zh) | 2003-07-28 | 2004-07-13 | Ofdm通信*** |
Country Status (6)
Country | Link |
---|---|
US (1) | US6999467B2 (zh) |
EP (1) | EP1652319A4 (zh) |
JP (1) | JP2007500472A (zh) |
KR (1) | KR100740448B1 (zh) |
CN (1) | CN1826737B (zh) |
WO (1) | WO2005013530A2 (zh) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3522619B2 (ja) * | 2000-01-05 | 2004-04-26 | 株式会社エヌ・ティ・ティ・ドコモ | マルチキャリアcdma伝送システムにおける送信機 |
US8385470B2 (en) * | 2000-12-05 | 2013-02-26 | Google Inc. | Coding a signal with a shuffled-Hadamard function |
US8374218B2 (en) * | 2000-12-05 | 2013-02-12 | Google Inc. | Combining signals with a shuffled-hadamard function |
CA2428576C (en) * | 2002-05-16 | 2008-10-07 | Ntt Docomo, Inc. | Transmitter for multi-carrier transmission and multi-carrier transmitting method |
JP4546177B2 (ja) | 2003-07-28 | 2010-09-15 | パナソニック株式会社 | 無線通信装置および無線通信方法 |
JP4183706B2 (ja) * | 2003-07-29 | 2008-11-19 | 富士通株式会社 | Ofdmシステムにおけるパイロット多重方法及び送受信装置 |
JP2005057429A (ja) * | 2003-08-01 | 2005-03-03 | Nec Corp | Cdma通信装置およびその方法 |
US7969857B2 (en) * | 2003-08-07 | 2011-06-28 | Nortel Networks Limited | OFDM system and method employing OFDM symbols with known or information-containing prefixes |
US20050059366A1 (en) * | 2003-09-16 | 2005-03-17 | Atheros Communications, Inc. | Spur mitigation techniques |
DE60324933D1 (de) * | 2003-10-16 | 2009-01-08 | Mitsubishi Electric Corp | Verfahren zum Mapping von den Chips eines gespreitzten Symboles zu Unterkanälen von einem Mehrträgerübertragungsystem |
US7242722B2 (en) * | 2003-10-17 | 2007-07-10 | Motorola, Inc. | Method and apparatus for transmission and reception within an OFDM communication system |
KR20050075242A (ko) * | 2004-01-16 | 2005-07-20 | 삼성전자주식회사 | 주파수 인터리빙 mc-cdma 시스템에서의 파일럿 채널기반의 채널추정방법 |
KR100818774B1 (ko) | 2004-01-29 | 2008-04-03 | 포스데이타 주식회사 | 광대역 무선 통신 시스템에서 다중-반송파 및 직접 시퀀스확산 스펙트럼 신호를 중첩시키는 방법 및 장치 |
JP2005311797A (ja) * | 2004-04-22 | 2005-11-04 | Tektronix Japan Ltd | 逆拡散方法 |
US8588203B2 (en) * | 2004-06-04 | 2013-11-19 | Qualcomm Incorporated | Wireless communication system with improved broadcast coverage |
US7418046B2 (en) * | 2004-07-22 | 2008-08-26 | Qualcomm Inc. | Pilot transmission and channel estimation for multiple transmitters |
WO2006009411A1 (en) * | 2004-07-22 | 2006-01-26 | Industry Academic Cooperation Of Kyunghee University | Multi-carrier cdma transmitting device and method using block-based multi-carrier spreading |
WO2006064549A1 (ja) | 2004-12-14 | 2006-06-22 | Fujitsu Limited | 拡散コード割当方法、逆拡散方法、送信装置、受信装置、通信装置、無線基地局装置、及び移動端末装置 |
JP4611182B2 (ja) * | 2005-02-16 | 2011-01-12 | パナソニック株式会社 | 無線端末装置及び通信方式切り換え方法 |
US7715460B2 (en) * | 2005-04-22 | 2010-05-11 | Interdigital Technology Corporation | Hybrid orthogonal frequency division multiple access system and method |
JP4926047B2 (ja) * | 2005-04-28 | 2012-05-09 | パナソニック株式会社 | 無線通信装置および無線通信方法 |
KR101119351B1 (ko) | 2005-05-04 | 2012-03-06 | 삼성전자주식회사 | 직교 주파수 분할 다중 시스템에서 정보의 송수신 방법 및 장치와 그 시스템 |
KR100880991B1 (ko) * | 2005-06-16 | 2009-02-03 | 삼성전자주식회사 | 이동통신 시스템에서 다중 안테나를 이용한 파일럿 송수신장치 및 방법 |
US7660229B2 (en) | 2005-06-20 | 2010-02-09 | Texas Instruments Incorporated | Pilot design and channel estimation |
KR100863897B1 (ko) * | 2005-06-24 | 2008-10-17 | 삼성전자주식회사 | 광대역 무선통신시스템에서 파일럿 오버헤드 감소 장치 및방법 |
WO2007036787A2 (en) * | 2005-09-27 | 2007-04-05 | Nokia Corporation | Pilot structure for multicarrier transmissions |
US7675962B2 (en) | 2005-11-15 | 2010-03-09 | Qualcomm Incorporated | Method and apparatus for deriving a channel impulse response estimate for a wireless channel |
WO2007080497A2 (en) * | 2006-01-12 | 2007-07-19 | Nokia Corporation | Pilot scrambling in communications systems |
US7986627B2 (en) * | 2006-01-13 | 2011-07-26 | Alcatel-Lucent Usa Inc. | Method for transmitting control information on the forward link of a wireless network |
KR100964703B1 (ko) | 2006-05-19 | 2010-06-21 | 엘지전자 주식회사 | 효율적이고 효과적인 무선 통신을 위한 무선 자원을 이용하고 조작하는 방법 |
US7826548B2 (en) | 2006-05-19 | 2010-11-02 | Lg Electronics, Inc. | Resource management in a wireless communication network |
US20070291635A1 (en) * | 2006-06-15 | 2007-12-20 | Motorola, Inc. | Method and apparatus for switching between ofdm communication modes |
US7664010B2 (en) * | 2006-09-21 | 2010-02-16 | Sharp Laboratories Of America, Inc. | Systems and methods for combining reference and data signals to reduce peak to average power ratio for coherent communication systems |
US20080084814A1 (en) * | 2006-10-10 | 2008-04-10 | Muthaiah Venkatachalam | Techniques to improve the reliability of the common control channel in ofdm based wireless systems |
DE102007025460A1 (de) * | 2007-05-30 | 2008-12-04 | Siemens Ag | Verfahren zum Übertragen von Daten sowie Sende-Einrichtung, Empfangs-Einrichtung und Kommunikationssystems |
RU2350031C1 (ru) * | 2007-07-04 | 2009-03-20 | Игорь Борисович Дунаев | Способ передачи и приема сигналов квадратурной амплитудной модуляции, система для его осуществления, машиночитаемый носитель и применение способа для синхронизации приема сигналов квадратурной амплитудной модуляции |
CN101159470B (zh) * | 2007-11-02 | 2012-09-05 | 中兴通讯股份有限公司 | 下行控制信令指示信道到物理资源的映射方法 |
RU2528624C2 (ru) * | 2008-09-19 | 2014-09-20 | Телефонактиеболагет Л М Эрикссон (Пабл) | Способ и устройство в системе связи |
JP2010279056A (ja) * | 2010-07-16 | 2010-12-09 | Sharp Corp | 無線受信機、無線送信機、無線通信システム及び無線受信方法 |
US8705639B2 (en) * | 2011-10-19 | 2014-04-22 | Comcast Cable Communications, Llc | Signal monitoring platform |
CN103379076B (zh) * | 2012-04-27 | 2016-09-28 | 电信科学技术研究院 | 一种进行上行传输的方法、***和设备 |
CN112703680B (zh) * | 2018-09-13 | 2023-02-24 | 中兴通讯股份有限公司 | 用于发上行信号的***和方法 |
US11700069B2 (en) * | 2020-05-13 | 2023-07-11 | Samsung Electronics Co., Ltd. | Efficient physical layer for intrabody communication networks |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1198052A (zh) * | 1997-02-25 | 1998-11-04 | 三星电子株式会社 | 正交频分多路复用传输***的载波频率同步方法及其装置 |
US6108317A (en) * | 1995-11-01 | 2000-08-22 | Stm Wireless, Inc. | Cyclic code phase multiple access for inbound satellite communications |
CN1267151A (zh) * | 1999-03-11 | 2000-09-20 | 朗迅科技公司 | 基于正交频分复用技术的扩频多址 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06108317A (ja) * | 1992-09-21 | 1994-04-19 | Toray Ind Inc | 黒鉛化繊維の製造方法および製造装置 |
US5914933A (en) * | 1996-03-08 | 1999-06-22 | Lucent Technologies Inc. | Clustered OFDM communication system |
US5867478A (en) * | 1997-06-20 | 1999-02-02 | Motorola, Inc. | Synchronous coherent orthogonal frequency division multiplexing system, method, software and device |
US6201798B1 (en) * | 1997-11-14 | 2001-03-13 | Worldspace Management Corporation | Signaling protocol for satellite direct radio broadcast system |
JP2000149407A (ja) * | 1998-11-10 | 2000-05-30 | Sony Corp | 情報伝送方法、情報処理方法、情報伝送システム、及びデータ処理装置 |
US6747948B1 (en) * | 1999-08-11 | 2004-06-08 | Lucent Technologies Inc. | Interleaver scheme in an OFDM system with multiple-stream data sources |
JP3522619B2 (ja) * | 2000-01-05 | 2004-04-26 | 株式会社エヌ・ティ・ティ・ドコモ | マルチキャリアcdma伝送システムにおける送信機 |
AU2001225418A1 (en) * | 2000-01-20 | 2001-07-31 | Nortel Networks Limited | Flexible frame structures in adaptive high data rate wireless access systems |
US6493331B1 (en) * | 2000-03-30 | 2002-12-10 | Qualcomm Incorporated | Method and apparatus for controlling transmissions of a communications systems |
US7158493B1 (en) * | 2000-09-29 | 2007-01-02 | Arraycomm, Llc | Radio communications system with a minimal broadcast channel |
KR20030013287A (ko) * | 2001-08-01 | 2003-02-14 | 텍사스 인스트루먼츠 인코포레이티드 | 회전된 qpsk 시퀀스를 이용한 cdma 역확산을 위한수신기 및 수신방법 |
US7248559B2 (en) * | 2001-10-17 | 2007-07-24 | Nortel Networks Limited | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
-
2003
- 2003-07-28 US US10/628,680 patent/US6999467B2/en not_active Expired - Lifetime
-
2004
- 2004-07-13 EP EP04778041A patent/EP1652319A4/en not_active Withdrawn
- 2004-07-13 CN CN2004800208485A patent/CN1826737B/zh active Active
- 2004-07-13 JP JP2006521865A patent/JP2007500472A/ja active Pending
- 2004-07-13 WO PCT/US2004/022333 patent/WO2005013530A2/en active Application Filing
- 2004-07-13 KR KR1020067002014A patent/KR100740448B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6108317A (en) * | 1995-11-01 | 2000-08-22 | Stm Wireless, Inc. | Cyclic code phase multiple access for inbound satellite communications |
CN1198052A (zh) * | 1997-02-25 | 1998-11-04 | 三星电子株式会社 | 正交频分多路复用传输***的载波频率同步方法及其装置 |
CN1267151A (zh) * | 1999-03-11 | 2000-09-20 | 朗迅科技公司 | 基于正交频分复用技术的扩频多址 |
Also Published As
Publication number | Publication date |
---|---|
EP1652319A2 (en) | 2006-05-03 |
US20050063327A1 (en) | 2005-03-24 |
CN1826737A (zh) | 2006-08-30 |
JP2007500472A (ja) | 2007-01-11 |
KR100740448B1 (ko) | 2007-07-19 |
KR20060029292A (ko) | 2006-04-05 |
WO2005013530A3 (en) | 2005-05-12 |
US6999467B2 (en) | 2006-02-14 |
WO2005013530A2 (en) | 2005-02-10 |
EP1652319A4 (en) | 2010-01-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1826737B (zh) | Ofdm通信*** | |
CN1868152B (zh) | 用于ofdm通信***中的发射和接收的方法和装置 | |
CN101356755B (zh) | 导频信号传输方法和装置 | |
US7848438B2 (en) | Method and apparatus for pilot signal transmission | |
EP2790339B1 (en) | Transmitter, receiver, mobile communication system and synchronization channel | |
CN101919187B (zh) | 用于在多载波通信***中发射的方法和装置 | |
JP5166236B2 (ja) | 直交周波数分割無線通信システムのためのパイロット信号送信 | |
EP1976208B1 (en) | Single carrier wireless communications system | |
JP4454308B2 (ja) | マルチキャリアcdma伝送方法及び基地局の送信装置 | |
CN101326740B (zh) | 发送正交频分复用信号的方法及其发射机和接收机 | |
JP4310920B2 (ja) | 送信機、送信方法、受信機及び受信方法 | |
US20100098042A1 (en) | Using the same multiplexed radio resource for pilot and information signals | |
KR20060090626A (ko) | 데이터의 송신 및 수신 방법 및 장치 | |
KR100465315B1 (ko) | 다중반송파 코드분할 다중접속에서의 확산/역확산 시스템및 그 방법 | |
CN1930811B (zh) | 在使用正交频分多路复用方案的通信***中传送/接收导频信号的设备和方法 |
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: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110107 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160307 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |