ZA200908261B - OFDM-Mimo radio frequency transmission system - Google Patents

OFDM-Mimo radio frequency transmission system

Info

Publication number
ZA200908261B
ZA200908261B ZA200908261A ZA200908261A ZA200908261B ZA 200908261 B ZA200908261 B ZA 200908261B ZA 200908261 A ZA200908261 A ZA 200908261A ZA 200908261 A ZA200908261 A ZA 200908261A ZA 200908261 B ZA200908261 B ZA 200908261B
Authority
ZA
South Africa
Prior art keywords
inverted
phase
pilots
ofdm
transmission system
Prior art date
Application number
ZA200908261A
Other languages
English (en)
Inventor
Oliver Paul Haffenden
Christopher Ryan Nokes
Jonathan Highton Stott
Original Assignee
British Broadcasting Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of ZA200908261B publication Critical patent/ZA200908261B/xx

Links

Classifications

    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0625—Transmitter arrangements
    • 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
    • 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
    • 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
    • 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
    • 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
ZA200908261A 2007-05-23 2009-11-23 OFDM-Mimo radio frequency transmission system ZA200908261B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0709899A GB2449470B (en) 2007-05-23 2007-05-23 OFDM-MIMO radio frequency transmission system

Publications (1)

Publication Number Publication Date
ZA200908261B true ZA200908261B (en) 2010-08-25

Family

ID=38265230

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200908261A ZA200908261B (en) 2007-05-23 2009-11-23 OFDM-Mimo radio frequency transmission system

Country Status (14)

Country Link
EP (2) EP2158736B1 (xx)
KR (2) KR101462297B1 (xx)
CN (1) CN101730990B (xx)
AT (1) ATE545249T1 (xx)
AU (1) AU2008252671B2 (xx)
DK (2) DK2477369T3 (xx)
EA (2) EA020813B1 (xx)
ES (2) ES2380412T3 (xx)
GB (1) GB2449470B (xx)
HR (1) HRP20120300T1 (xx)
PL (2) PL2477369T3 (xx)
RS (1) RS52238B (xx)
WO (1) WO2008142419A1 (xx)
ZA (1) ZA200908261B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101689912B (zh) * 2007-06-22 2013-03-27 松下电器产业株式会社 发送装置、接收装置及ofdm传输方法
JP5278173B2 (ja) * 2009-06-04 2013-09-04 ソニー株式会社 受信装置および方法、プログラム、並びに受信システム
JP5392554B2 (ja) * 2009-07-24 2014-01-22 ソニー株式会社 受信装置及び方法、プログラム、並びに受信システム
JP5267874B2 (ja) * 2009-07-24 2013-08-21 ソニー株式会社 信号処理装置、及び、信号処理方法
EP2346224A1 (en) 2010-01-13 2011-07-20 Panasonic Corporation Pilot Patterns for OFDM Systems with Four Transmit Antennas
GB2482122B (en) * 2010-07-19 2014-02-19 Intellectual Ventures Holding 81 Llc Communication unit and pilot method for time varying channels
WO2012081870A2 (ko) * 2010-12-14 2012-06-21 엘지전자 주식회사 방송 신호 송/수신기 및 방송 신호 송/수신 방법
CN102148667B (zh) * 2010-12-15 2013-07-03 上海交通大学 用于单频网信号的收发方法及其实现装置
JP2012227848A (ja) * 2011-04-22 2012-11-15 Sony Corp 受信装置、受信方法、プログラム、および受信システム
US9113490B2 (en) * 2011-04-24 2015-08-18 Broadcom Corporation Short training field (STF) for use within single user, multiple user, multiple access, and/or MIMO wireless communications
KR101273358B1 (ko) * 2011-05-31 2013-06-12 한국항공대학교산학협력단 통신 시스템에서 차세대 지상파 디지털 멀티미디어 신호 송수신 방법 및 장치
RU2544735C2 (ru) * 2013-02-28 2015-03-20 Павел Иванович Попик Устройство формирования, передачи и приема частотно-временной матрицы шумоподобного сигнала
CN103237182A (zh) * 2013-05-08 2013-08-07 无锡北斗星通信息科技有限公司 Mimo型的dvb-t发射机
CN103281109B (zh) * 2013-06-08 2015-12-09 海安欣凯富机械科技有限公司 多输入多输出mimo型收发环境测试装置
CN107251589B (zh) * 2015-03-09 2020-11-13 Lg电子株式会社 广播信号发送装置、广播信号接收装置、广播信号发送方法和广播信号接收方法
JP7324094B2 (ja) 2019-09-12 2023-08-09 日本放送協会 測定装置及びプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5345599A (en) 1992-02-21 1994-09-06 The Board Of Trustees Of The Leland Stanford Junior University Increasing capacity in wireless broadcast systems using distributed transmission/directional reception (DTDR)
DE69610650T2 (de) 1995-01-31 2001-05-03 Mbt Holding Ag Zuerich Zementdispergiermittel
US6473467B1 (en) 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
EP2262157A3 (en) * 2000-07-05 2011-03-23 Sony Deutschland Gmbh Pilot pattern design for a STTD scheme in an OFDM system
GB2370952B (en) * 2001-01-05 2003-04-09 British Broadcasting Corp Improvements in channel state measurement and in discriminating digital values from a received signal suitable for use with OFDM signals
US7248559B2 (en) * 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
KR20030094778A (ko) * 2002-06-07 2003-12-18 삼성전자주식회사 오에프디엠 신호에 파일럿신호를 삽입하는오에프디엠송신기 및 그의 파일럿신호 삽입방법
EP2037592B1 (en) * 2005-10-31 2012-01-04 Sharp Kabushiki Kaisha Wireless receiver
GB2436414A (en) * 2006-02-20 2007-09-26 British Broadcasting Corp OFDM - MIMO radio frequency transmission system
US8619746B2 (en) * 2006-10-10 2013-12-31 Qualcomm Incorporated Channel estimation for multi-carrier communication

Also Published As

Publication number Publication date
EP2477369B1 (en) 2013-08-28
CN101730990A (zh) 2010-06-09
ES2380412T3 (es) 2012-05-11
DK2158736T3 (da) 2012-05-29
PL2158736T3 (pl) 2012-07-31
EP2158736B1 (en) 2012-02-08
EA200971089A1 (ru) 2010-06-30
EP2158736A1 (en) 2010-03-03
PL2477369T3 (pl) 2014-01-31
WO2008142419A1 (en) 2008-11-27
GB2449470A (en) 2008-11-26
AU2008252671A1 (en) 2008-11-27
CN101730990B (zh) 2013-08-21
WO2008142419A9 (en) 2009-02-19
EA020813B1 (ru) 2015-01-30
RS52238B (en) 2012-10-31
ATE545249T1 (de) 2012-02-15
KR101529450B1 (ko) 2015-06-18
EA201200040A1 (ru) 2012-05-30
KR20100021623A (ko) 2010-02-25
DK2477369T3 (da) 2013-11-25
EP2477369A1 (en) 2012-07-18
KR20140101818A (ko) 2014-08-20
AU2008252671B2 (en) 2013-03-28
ES2431029T3 (es) 2013-11-22
GB0709899D0 (en) 2007-07-04
KR101462297B1 (ko) 2014-11-14
HRP20120300T1 (hr) 2012-04-30
GB2449470B (en) 2011-06-29
EA016296B1 (ru) 2012-03-30

Similar Documents

Publication Publication Date Title
GB2449470B (en) OFDM-MIMO radio frequency transmission system
GB0603356D0 (en) OFDM - MIMO radio frequency transmission system
AU2018253552A1 (en) Transmission method, transmission device, reception method, and reception device
RU2009120372A (ru) Улучшенное выделение пилотного сигнала в системах с множеством несущих с вырезанием частоты
WO2009138876A3 (en) Multiple data services over a distributed antenna system
MY196280A (en) Time Synchronization System and Transmission Apparatus
WO2010106549A3 (en) Pilot aided data transmission and reception with interference mitigation in wireless systems
TW200708128A (en) Methods and apparatus for efficient digital broadcast signaling in a wireless communications system
MX2012007390A (es) Metodo de mapeo de puerto de antena y dispositivo para desmodular señales de referencia.
WO2011083417A3 (en) Signaling of dedicated reference signal (drs) precoding granularity
WO2007119388B1 (en) Method of transmitting ofdm signal and transmitter and receiver thereof
WO2007084988A3 (en) Method and apparatus for pilot multiplexing in a wireless communication system
TW200620924A (en) Method for transmitting a digital data stream, transmitter, method for receiving a digital data stream and receiver
RU2013102524A (ru) Способ и компоновка для сигнализации параметров в беспроводной сети
MY165242A (en) Pilot patterns for ofdm systems with multiple antennas
PL2235847T3 (pl) Sposób i systemy do odbierania wielu strumieni informacyjnych w systemie mimo
GB0701296D0 (en) A receiver of multiplexed binary offset carrier (MBOC) modulated signals
WO2012145165A3 (en) Transport of multiple asynchronous data streams using higher order modulation
TW200746734A (en) Method and apparatus for pilot multiplexing in a wireless communication system
WO2013007275A3 (en) Method, receiver, transmitter and communication system for phase error compensation
WO2008146347A1 (ja) マルチキャリア送信装置及びマルチキャリア受信装置
US20170242115A1 (en) Multi-channel radar method and multi-channel radar system
MX2009013088A (es) Tensioactivo de lipoproteina.
WO2010002153A3 (ko) 다중안테나 시스템에서 동기신호의 전송장치
WO2010113074A3 (en) System for demodulating a signal