CN1756248A - 多入多出正交频分复用移动通信系统及信道估计方法 - Google Patents
多入多出正交频分复用移动通信系统及信道估计方法 Download PDFInfo
- Publication number
- CN1756248A CN1756248A CN200410066877.7A CN200410066877A CN1756248A CN 1756248 A CN1756248 A CN 1756248A CN 200410066877 A CN200410066877 A CN 200410066877A CN 1756248 A CN1756248 A CN 1756248A
- Authority
- CN
- China
- Prior art keywords
- sequence
- channel
- num
- pilot
- smp
- 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
Images
Classifications
-
- 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
- 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
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- 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
- H04L25/0212—Channel estimation of impulse response
-
- 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
- H04L25/022—Channel estimation of frequency response
-
- 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
- H04L5/0023—Time-frequency-space
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Radio Transmission System (AREA)
Abstract
Description
SMP_Num | Pilot_Num | Wave_Length |
256 | 231 | 10 |
256 | 225 | 8 |
128 | 113 | 9 |
128 | 103 | 5 |
参数 | 取值 |
M | 2 |
N | 2 |
FFT_Size | 1024 |
Pilot_Interval | 4 |
SMP_Num | 256 |
Pilot_Index | {0,4,8,...,448,576,580,...,1020} |
VPilot_Index | {452,456,...,572} |
Pilot_Num | 225 |
VSC_Num | 127 |
VSC_Range | {449,450,...,575} |
Wave_Length | 8(如表1) |
Wave_Num | 5 |
Max_Delay | 26,采用通用移动电信系统车载信道A(UMTS Vehicle A信道)模型,并假设采样频率为10.24MHz |
参数 | 取值 |
采样频率 | 10.24MHz |
UMTS Vehicle A信道参数 | 延迟={0,310,710,1090,1730,2510}ns平均功率={0,-1,-9,-10,-15,-20}dB |
移动传输的速度 | 60kmph |
STBC信道估计算法的导频间隔 | 4 |
Claims (12)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410066877.7A CN1756248B (zh) | 2004-09-29 | 2004-09-29 | 多入多出正交频分复用移动通信系统及信道估计方法 |
EP05017839A EP1643660A1 (en) | 2004-09-29 | 2005-08-17 | Multiple input multiple output orthogonal frequency division multiplexing mobile communication system and channel estimation method |
US11/217,478 US20060067420A1 (en) | 2004-09-29 | 2005-09-02 | Multiple input multiple output orthogonal frequency division multiplexing mobile comminication system and channel estimation method |
JP2005264670A JP2006101501A (ja) | 2004-09-29 | 2005-09-13 | 多入力多出力直交周波数分割多重方式モバイル通信システムおよびチャネル推定方法 |
KR1020050089708A KR20060051670A (ko) | 2004-09-29 | 2005-09-27 | 다중 입출력 방식의 직교 주파수 분할 다중화 이동 통신시스템 및 채널 추정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410066877.7A CN1756248B (zh) | 2004-09-29 | 2004-09-29 | 多入多出正交频分复用移动通信系统及信道估计方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1756248A true CN1756248A (zh) | 2006-04-05 |
CN1756248B CN1756248B (zh) | 2010-06-02 |
Family
ID=35406161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200410066877.7A Active CN1756248B (zh) | 2004-09-29 | 2004-09-29 | 多入多出正交频分复用移动通信系统及信道估计方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060067420A1 (zh) |
EP (1) | EP1643660A1 (zh) |
JP (1) | JP2006101501A (zh) |
KR (1) | KR20060051670A (zh) |
CN (1) | CN1756248B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101207595B (zh) * | 2006-12-21 | 2010-09-08 | 鼎桥通信技术有限公司 | 一种同步序列的传输方法及发送端设备 |
CN101127753B (zh) * | 2007-09-29 | 2011-12-14 | 北京邮电大学 | 一种适用于多载波系统的信道估计方法 |
CN1917397B (zh) * | 2006-09-19 | 2012-09-05 | 北京邮电大学 | 一种mimo-ofdm系统信道估计的方法 |
US8300592B2 (en) | 2007-10-11 | 2012-10-30 | China Academy Of Telecommunications Technology | Signal transmission method and device |
CN104333894A (zh) * | 2007-03-26 | 2015-02-04 | 高通股份有限公司 | 确定每扇区接收功率 |
WO2016172849A1 (zh) * | 2015-04-28 | 2016-11-03 | 华为技术有限公司 | 信道估计方法、装置和系统 |
CN114337968A (zh) * | 2021-12-28 | 2022-04-12 | 湖南智领通信科技有限公司 | 基于实时测控数据的主动式导频调整方法及装置 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100349387C (zh) * | 2004-04-13 | 2007-11-14 | 上海贝尔阿尔卡特股份有限公司 | 垂直-贝尔实验室分层空时码的检测方法和设备 |
WO2006075733A1 (ja) * | 2005-01-17 | 2006-07-20 | Sharp Kabushiki Kaisha | 通信装置 |
KR100751098B1 (ko) * | 2006-02-16 | 2007-08-22 | 주식회사 팬택앤큐리텔 | 직교 주파수 분할 다중화 기반 통신 시스템에서의 파일럿심볼 전송 방법 및 장치, 그 수신방법 및 장치 |
CN101072063B (zh) * | 2006-05-08 | 2010-09-01 | 中兴通讯股份有限公司 | 应用于多输入多输出系统的导频起始位置估计的方法 |
GB2458418B (en) | 2006-12-19 | 2011-08-03 | Lg Electronics Inc | Sequence generating method for efficient detection and method for transmitting and receiving signals using the same |
WO2008075881A2 (en) * | 2006-12-19 | 2008-06-26 | Lg Electronics Inc. | Sequence generating method for efficient detection and method for transmitting and receiving signals using the same |
GB2445000B (en) * | 2006-12-20 | 2009-04-15 | Toshiba Res Europ Ltd | Wireless communications apparatus |
EP2145420B1 (en) | 2007-05-17 | 2012-10-17 | LG Electronics Inc. | Method of transmitting synchronization signal in wireless communication system |
KR100938756B1 (ko) | 2007-07-06 | 2010-01-26 | 엘지전자 주식회사 | 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법 |
CN101364966B (zh) * | 2008-09-12 | 2011-03-16 | 河南科技大学 | 多入多出正交频分多址下行系统的时域信道估计方法 |
KR20100070751A (ko) * | 2008-12-18 | 2010-06-28 | 한국전자통신연구원 | 무선 통신 시스템의 채널 추정 방법 및 그 장치 |
CN102088425A (zh) * | 2011-03-08 | 2011-06-08 | 中兴通讯股份有限公司 | Mimo系统中信道估计及插入导频的方法、装置和系统 |
CN102238116B (zh) * | 2011-08-02 | 2014-07-09 | 北京邮电大学 | 导频序列生成方法及其系统 |
US9313075B2 (en) * | 2012-08-17 | 2016-04-12 | Intel Corporation | Methods and arrangements for channel updates in wireless networks |
US10333592B2 (en) | 2013-06-27 | 2019-06-25 | Huawei Technologies Co., Ltd. | System and method for interference avoidance based on signal alignment in two-tier MIMO OFDM |
US9609658B2 (en) * | 2013-07-31 | 2017-03-28 | Huawei Technologies Co., Ltd. | System and method for interference alignment in cognitive small cell networks |
US9553639B2 (en) * | 2013-12-09 | 2017-01-24 | Cable Television Laboratories, Inc. | Locating user equipment in a wireless network |
CN103856422B (zh) * | 2014-03-17 | 2017-10-17 | 清华大学 | 一种多载波Large‑Scale MIMO系统的发射信号配置及信道估计的方法和设备 |
CN106656427B (zh) * | 2017-02-24 | 2019-12-31 | 哈尔滨工业大学 | 基于奇偶对称序列的双天线信号传输方法 |
WO2019028740A1 (en) * | 2017-08-10 | 2019-02-14 | Photonic Technologies (Shanghai) Co., Ltd. | CLOCK RECOVERY CIRCUIT AND DATA |
CN111447024B (zh) * | 2020-03-16 | 2022-03-11 | 重庆邮电大学 | 一种无线通信系统加性高斯噪声信道建模方法 |
CN113890710B (zh) * | 2021-10-09 | 2024-02-20 | 南京邮电大学 | 一种用于去蜂窝大规模mimo系统的导频分配方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6369758B1 (en) * | 2000-11-01 | 2002-04-09 | Unique Broadband Systems, Inc. | Adaptive antenna array for mobile communication |
US7248559B2 (en) * | 2001-10-17 | 2007-07-24 | Nortel Networks Limited | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
JP3796188B2 (ja) * | 2002-04-09 | 2006-07-12 | パナソニック モバイルコミュニケーションズ株式会社 | Ofdm通信方法およびofdm通信装置 |
US7613248B2 (en) * | 2002-06-24 | 2009-11-03 | Qualcomm Incorporated | Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems |
JP2004080110A (ja) * | 2002-08-09 | 2004-03-11 | Samsung Yokohama Research Institute Co Ltd | 直交周波数分割多重通信システム、及び直交周波数分割多重無線機 |
JP2004096186A (ja) * | 2002-08-29 | 2004-03-25 | Nippon Hoso Kyokai <Nhk> | パイロット信号またはパイロットキャリアの伝送方法 |
US7236535B2 (en) * | 2002-11-19 | 2007-06-26 | Qualcomm Incorporated | Reduced complexity channel estimation for wireless communication systems |
CN1527513A (zh) * | 2003-03-07 | 2004-09-08 | 北京三星通信技术研究有限公司 | Ofdm系统中使用时域导频序列的信息处理方法和装置 |
CN1221096C (zh) * | 2003-03-08 | 2005-09-28 | 华中科技大学 | 正交频分复用通信系统中的信道估计方法 |
KR20050046209A (ko) * | 2003-11-13 | 2005-05-18 | 삼성전자주식회사 | 직교주파수 분할 다중 전송 안테나 시스템에서 시변채널의 채널 추정 방법 |
US7145940B2 (en) * | 2003-12-05 | 2006-12-05 | Qualcomm Incorporated | Pilot transmission schemes for a multi-antenna system |
US7339999B2 (en) * | 2004-01-21 | 2008-03-04 | Qualcomm Incorporated | Pilot transmission and channel estimation for an OFDM system with excess delay spread |
US20060009168A1 (en) * | 2004-07-12 | 2006-01-12 | Lucent Technologies, Inc. | Method for controlling transmissions using both diversity and nondiversity transmission schemes |
-
2004
- 2004-09-29 CN CN200410066877.7A patent/CN1756248B/zh active Active
-
2005
- 2005-08-17 EP EP05017839A patent/EP1643660A1/en not_active Ceased
- 2005-09-02 US US11/217,478 patent/US20060067420A1/en not_active Abandoned
- 2005-09-13 JP JP2005264670A patent/JP2006101501A/ja active Pending
- 2005-09-27 KR KR1020050089708A patent/KR20060051670A/ko not_active Application Discontinuation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1917397B (zh) * | 2006-09-19 | 2012-09-05 | 北京邮电大学 | 一种mimo-ofdm系统信道估计的方法 |
CN101207595B (zh) * | 2006-12-21 | 2010-09-08 | 鼎桥通信技术有限公司 | 一种同步序列的传输方法及发送端设备 |
CN104333894A (zh) * | 2007-03-26 | 2015-02-04 | 高通股份有限公司 | 确定每扇区接收功率 |
CN101127753B (zh) * | 2007-09-29 | 2011-12-14 | 北京邮电大学 | 一种适用于多载波系统的信道估计方法 |
US8300592B2 (en) | 2007-10-11 | 2012-10-30 | China Academy Of Telecommunications Technology | Signal transmission method and device |
WO2016172849A1 (zh) * | 2015-04-28 | 2016-11-03 | 华为技术有限公司 | 信道估计方法、装置和系统 |
CN114337968A (zh) * | 2021-12-28 | 2022-04-12 | 湖南智领通信科技有限公司 | 基于实时测控数据的主动式导频调整方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2006101501A (ja) | 2006-04-13 |
CN1756248B (zh) | 2010-06-02 |
KR20060051670A (ko) | 2006-05-19 |
EP1643660A1 (en) | 2006-04-05 |
US20060067420A1 (en) | 2006-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1756248A (zh) | 多入多出正交频分复用移动通信系统及信道估计方法 | |
CN1703034A (zh) | 一种基于mimo-ofdm系统的信道估计方法 | |
CN1846388A (zh) | Ofdm信道估计以及多发射天线跟踪 | |
CN1605172A (zh) | 用于mimo-ofdm系统的分散导频图案和信道估计方法 | |
CN1579063A (zh) | 传输信号、方法和设备 | |
CN1630283A (zh) | 在多入多出正交频分复用系统中为同步而发射前导的方法 | |
CN1691539A (zh) | 用于多入多出无线通信系统的通用多入多出-联合检测方法和装置 | |
CN101039137A (zh) | Mimo-ofdm系统基于码本搜索减少预编码反馈比特数的方法及装置 | |
CN1658528A (zh) | 一种mimo—ofdm系统的自适应信道估计方法 | |
CN1890909A (zh) | Mimo系统中用于本征模式发射的接收机空间处理 | |
CN1543103A (zh) | 多个天线的正交频分复用系统中的信道估计的装置和方法 | |
CN1859346A (zh) | 基于分数阶傅立叶变换的正交频分复用(ofdm)系统 | |
CN1921463A (zh) | 正交频分复用移动通信系统的信道估计方法和实现装置 | |
CN1394403A (zh) | 无线发送装置和无线发送方法 | |
CN100345405C (zh) | 一种用于多输入多输出(mimo)天线阵列系统的检测方法 | |
CN101043298A (zh) | 一种多天线通信中发射信号的方法及系统 | |
CN1909527A (zh) | 带时域包络加权的正交频分复用系统的频域信道估计方法 | |
CN1845537A (zh) | 一种通信系统中的信道估计方法 | |
CN101043244A (zh) | 多天线通信系统的单载波块传输中的发送分集方法 | |
CN101043235A (zh) | 一种导频信号发射功率控制方法 | |
CN1905548A (zh) | 多输入多输出正交频分复用系统中的信号传输方法及系统 | |
CN1969518A (zh) | 经由信道接收信号的装置 | |
CN1801792A (zh) | 一种mimo-ofdm系统中的信道估计方法 | |
CN1838655A (zh) | Mimo-ofdm接收机 | |
CN1794607A (zh) | 一种空时分组码mc-cdma系统上行链路发射与接收方法 |
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 | ||
C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ALCATEL-LUCENT CO., LTD. Free format text: FORMER NAME: BEIER AERKATE CO., LTD., SHANGHAI |
|
CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee after: Shanghai Alcatel-Lucent Co., Ltd. Address before: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee before: Beier Aerkate Co., Ltd., Shanghai |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee after: Shanghai NOKIA Baer Limited by Share Ltd Address before: 201206 Pudong Jinqiao Export Processing Zone, Nanjing Road, No. 388, Shanghai Patentee before: Shanghai Alcatel-Lucent Co., Ltd. |