SG114581A1 - Transmission system, transmission method, transmission apparatus, and electronic recording medium having recorded therein transmission program - Google Patents

Transmission system, transmission method, transmission apparatus, and electronic recording medium having recorded therein transmission program

Info

Publication number
SG114581A1
SG114581A1 SG200206737A SG200206737A SG114581A1 SG 114581 A1 SG114581 A1 SG 114581A1 SG 200206737 A SG200206737 A SG 200206737A SG 200206737 A SG200206737 A SG 200206737A SG 114581 A1 SG114581 A1 SG 114581A1
Authority
SG
Singapore
Prior art keywords
transmission
recorded
recording medium
program
electronic recording
Prior art date
Application number
SG200206737A
Other languages
English (en)
Inventor
Suwa Shingo
Atarashi Hiroyuki
Abeta Sadayudi
Sawahashi Mamoru
Original Assignee
Ntt Docomo Inc
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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of SG114581A1 publication Critical patent/SG114581A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other 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
    • H04L25/0212—Channel estimation of impulse response
    • H04L25/0216—Channel estimation of impulse response with estimation of channel length
    • 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
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
SG200206737A 2001-11-09 2002-11-07 Transmission system, transmission method, transmission apparatus, and electronic recording medium having recorded therein transmission program SG114581A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001345171A JP3934402B2 (ja) 2001-11-09 2001-11-09 伝送システム、伝送方法、伝送装置及び伝送プログラムを記録した電子記録媒体

Publications (1)

Publication Number Publication Date
SG114581A1 true SG114581A1 (en) 2005-09-28

Family

ID=19158560

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200206737A SG114581A1 (en) 2001-11-09 2002-11-07 Transmission system, transmission method, transmission apparatus, and electronic recording medium having recorded therein transmission program

Country Status (8)

Country Link
US (1) US7154955B2 (zh)
EP (1) EP1311074A1 (zh)
JP (1) JP3934402B2 (zh)
KR (1) KR100516472B1 (zh)
CN (1) CN1238985C (zh)
AU (1) AU2002357578B2 (zh)
CA (1) CA2411457C (zh)
SG (1) SG114581A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7317756B2 (en) 2001-12-06 2008-01-08 Pulse-Link, Inc. Ultra-wideband communication apparatus and methods
US8045935B2 (en) 2001-12-06 2011-10-25 Pulse-Link, Inc. High data rate transmitter and receiver
US7349439B2 (en) * 2001-12-06 2008-03-25 Pulse-Link, Inc. Ultra-wideband communication systems and methods
JP2005012429A (ja) * 2003-06-18 2005-01-13 Matsushita Electric Ind Co Ltd 移動通信端末及びハンドオーバ制御方法
US20060013182A1 (en) * 2004-07-19 2006-01-19 Telefonaktiebolaget Lm Ericsson Selective multicarrier CDMA network
US8018930B2 (en) * 2004-10-01 2011-09-13 Qualcomm Incorporated Apparatus and method for receiving packet data on a subset of carrier frequencies in a wireless communication system
US8130781B2 (en) 2005-02-28 2012-03-06 Intellectual Ventures I Llc Method and apparatus for providing dynamic selection of carriers
JP4611385B2 (ja) * 2005-08-23 2011-01-12 三菱電機株式会社 無線通信システムおよび通信装置
CN1929360B (zh) * 2005-09-07 2010-07-07 都科摩（北京）通信技术研究中心有限公司 交变的频率时间分割的双工通信方法
JP4672557B2 (ja) * 2006-01-11 2011-04-20 日本電信電話株式会社 無線通信装置及び無線通信システム
JP2008124942A (ja) * 2006-11-15 2008-05-29 Nec Corp 無線通信システム、無線通信装置及びそれらに用いる有効パス検出方法
EP2640026A1 (en) * 2012-03-16 2013-09-18 Nec Corporation Method for estimating the frequency bandwidth of a communication channel
US9641371B2 (en) 2014-12-31 2017-05-02 Motorola Solutions, Inc Methods and systems for dynamic single-frequency-network-multicast symbol synchronization
US10045346B1 (en) * 2016-08-02 2018-08-07 Sprint Spectrum L.P. Assigning a low-GDV carrier to a high-speed UE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157820A (en) * 1998-06-12 2000-12-05 Ericsson Inc. Pilot strength measurement and multipath delay searcher for CDMA receiver
WO2001052468A1 (en) * 2000-01-12 2001-07-19 Ericson Inc. Selective multi-carrier direct sequence spread spectrum communication systems and methods

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619524A (en) * 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
SG77607A1 (en) * 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6157820A (en) * 1998-06-12 2000-12-05 Ericsson Inc. Pilot strength measurement and multipath delay searcher for CDMA receiver
WO2001052468A1 (en) * 2000-01-12 2001-07-19 Ericson Inc. Selective multi-carrier direct sequence spread spectrum communication systems and methods

Also Published As

Publication number Publication date
US7154955B2 (en) 2006-12-26
KR100516472B1 (ko) 2005-09-22
AU2002357578B2 (en) 2008-12-04
KR20030038486A (ko) 2003-05-16
CA2411457C (en) 2009-01-27
CN1417966A (zh) 2003-05-14
JP2003152597A (ja) 2003-05-23
CA2411457A1 (en) 2003-05-09
US20030092404A1 (en) 2003-05-15
CN1238985C (zh) 2006-01-25
EP1311074A1 (en) 2003-05-14
JP3934402B2 (ja) 2007-06-20

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