TW200625901A - An apparatus and method for adaptive digitial locking and soft evaluation of data symbols in a wireless digital communication system - Google Patents

An apparatus and method for adaptive digitial locking and soft evaluation of data symbols in a wireless digital communication system

Info

Publication number
TW200625901A
TW200625901A TW094132496A TW94132496A TW200625901A TW 200625901 A TW200625901 A TW 200625901A TW 094132496 A TW094132496 A TW 094132496A TW 94132496 A TW94132496 A TW 94132496A TW 200625901 A TW200625901 A TW 200625901A
Authority
TW
Taiwan
Prior art keywords
value
data
bits
communication system
symbols
Prior art date
Application number
TW094132496A
Other languages
English (en)
Chinese (zh)
Inventor
Beng-Huat Chua
Original Assignee
Free Systems Pte Ltd
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 Free Systems Pte Ltd filed Critical Free Systems Pte Ltd
Publication of TW200625901A publication Critical patent/TW200625901A/zh

Links

Classifications

    • 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
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
TW094132496A 2004-09-22 2005-09-20 An apparatus and method for adaptive digitial locking and soft evaluation of data symbols in a wireless digital communication system TW200625901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61200804P 2004-09-22 2004-09-22

Publications (1)

Publication Number Publication Date
TW200625901A true TW200625901A (en) 2006-07-16

Family

ID=36615288

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094132496A TW200625901A (en) 2004-09-22 2005-09-20 An apparatus and method for adaptive digitial locking and soft evaluation of data symbols in a wireless digital communication system

Country Status (6)

Country Link
US (1) US20060062329A1 (https=)
EP (1) EP1805928A4 (https=)
JP (1) JP2008514149A (https=)
KR (1) KR20070070162A (https=)
TW (1) TW200625901A (https=)
WO (1) WO2006070222A2 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001513697A (ja) * 1997-02-24 2001-09-04 スーペリア マイクロパウダーズ リミテッド ライアビリティ カンパニー エアロゾル法及び装置、粒子製品、並びに該粒子製品から製造される電子装置
US20060062338A1 (en) * 2004-09-22 2006-03-23 Freesystems Pte., Ltd. Method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system
US8155148B2 (en) * 2005-09-27 2012-04-10 Ciena Corporation Telecommunications transport methods and systems for the transparent mapping/demapping of client data signals
US8483526B2 (en) * 2009-12-15 2013-07-09 University Of Ottawa Micro-size optical switch on silicon-on-insulator platform
JP2018074375A (ja) * 2016-10-28 2018-05-10 富士通株式会社 クロック再生回路，半導体集積回路装置およびｒｆタグ
CN111130693B (zh) * 2019-11-29 2022-07-29 北京遥测技术研究所 一种遥测数据流实时自动挑路与自动组帧的方法
US11552704B1 (en) * 2021-08-09 2023-01-10 L3Harris Technologies, Inc. Transport data structure useful for transporting information via a free space optical link using a pulsed laser

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3307527B2 (ja) * 1995-09-29 2002-07-24 シャープ株式会社 Ｐｐｍ復調装置
JPH09284270A (ja) * 1996-04-19 1997-10-31 Nec Corp シンボル同期追従方法及びそれを適用したシンボル同期追従装置
US6188496B1 (en) * 1997-11-25 2001-02-13 International Business Machines Corporation Wireless communication system
US6198766B1 (en) * 1998-03-17 2001-03-06 International Business Machines Corporation Method and apparatus for adaptive pre-demodulation pulse shaping
EP1172978B1 (en) * 2000-07-10 2011-01-05 International Business Machines Corporation Diversity detection of PPM signals
JP3417392B2 (ja) * 2000-09-08 2003-06-16 ヤマハ株式会社 同期制御装置
US7012981B2 (en) * 2001-04-17 2006-03-14 Cyntrust Communications, Inc. Method and apparatus for improving data frame synchronization in a low SNR environment
US20060062338A1 (en) * 2004-09-22 2006-03-23 Freesystems Pte., Ltd. Method and apparatus for ensuring high quality audio playback in a wireless or wired digital audio communication system

Also Published As

Publication number Publication date
JP2008514149A (ja) 2008-05-01
US20060062329A1 (en) 2006-03-23
KR20070070162A (ko) 2007-07-03
EP1805928A2 (en) 2007-07-11
WO2006070222A2 (en) 2006-07-06
WO2006070222A3 (en) 2007-01-25
EP1805928A4 (en) 2010-05-26

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