DE60143782D1 - Diversitätsdetektion von PPM-Signalen - Google Patents

Diversitätsdetektion von PPM-Signalen

Info

Publication number
DE60143782D1
DE60143782D1 DE60143782T DE60143782T DE60143782D1 DE 60143782 D1 DE60143782 D1 DE 60143782D1 DE 60143782 T DE60143782 T DE 60143782T DE 60143782 T DE60143782 T DE 60143782T DE 60143782 D1 DE60143782 D1 DE 60143782D1
Authority
DE
Germany
Prior art keywords
diversity detection
ppm signals
ppm
signals
diversity
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.)
Expired - Lifetime
Application number
DE60143782T
Other languages
English (en)
Inventor
Fritz Gfeller
Walter Hirt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE60143782D1 publication Critical patent/DE60143782D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Radio Transmission System (AREA)
  • Optical Communication System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE60143782T 2000-07-10 2001-05-14 Diversitätsdetektion von PPM-Signalen Expired - Lifetime DE60143782D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00810601 2000-07-10

Publications (1)

Publication Number Publication Date
DE60143782D1 true DE60143782D1 (de) 2011-02-17

Family

ID=8174795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60143782T Expired - Lifetime DE60143782D1 (de) 2000-07-10 2001-05-14 Diversitätsdetektion von PPM-Signalen

Country Status (5)

Country Link
US (1) US6968279B2 (de)
JP (1) JP3880339B2 (de)
KR (1) KR100791428B1 (de)
CN (1) CN1200526C (de)
DE (1) DE60143782D1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070280146A1 (en) * 2006-05-30 2007-12-06 Shirish Nagaraj System and method for estimating uplink signal power
JP4829337B2 (ja) * 2009-11-30 2011-12-07 株式会社東芝 信号受信装置及び信号処理方法
US8605777B2 (en) * 2010-06-01 2013-12-10 Etron Technology, Inc. Circuit for recognizing a beginning and a data rate of data and method thereof
US20180122021A1 (en) * 2015-03-03 2018-05-03 Uop Llc Chemical refinery performance optimization
CN108037484A (zh) * 2017-11-30 2018-05-15 百色学院 一种室内led可见光定位方法、系统及装置
CN111786723A (zh) * 2020-06-29 2020-10-16 安徽理工大学 矿工体征检测vlc系统用ppm编码产生装置
CN114362770B (zh) * 2022-01-10 2023-07-11 中国船舶集团有限公司第七一一研究所 数据发送器件、数据接收器件、电子装置以及方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU822200A1 (ru) * 1979-06-25 1981-04-15 Пензенский Политехнический Институт Вычислительное диагностическоеуСТРОйСТВО
GB2081913B (en) * 1979-12-14 1983-08-03 Hewlett Packard Ltd Noise margin measurement and error probability prediction
FR2614157B1 (fr) 1987-04-14 1994-04-08 Thomson Csf Procede de selection automatique d'une antenne de reception directive parmi une pluralite d'antennes de reception
US5325397A (en) * 1989-12-07 1994-06-28 The Commonwealth Of Australia Error rate monitor
IL105990A (en) 1993-06-11 1997-04-15 Uri Segev And Benjamin Machnes Infra-red communication system
EP0692772A1 (de) * 1994-07-12 1996-01-17 Laboratoires D'electronique Philips S.A.S. Verfahren und Vorrichtung zur Detektion von Merkmalen einer Objektskontur
JP3307527B2 (ja) * 1995-09-29 2002-07-24 シャープ株式会社 Ｐｐｍ復調装置
FI105740B (fi) * 1995-09-29 2000-09-29 Nokia Mobile Phones Ltd Toimistoviestintäjärjestelmä
US6405043B1 (en) * 1997-07-02 2002-06-11 Scoreboard, Inc. Method to characterize the prospective or actual level of interference at a point, in a sector, and throughout a cellular system
US5986928A (en) * 1997-09-05 1999-11-16 Information Storage Devices, Inc. Method and apparatus for detecting the end of message recorded onto an array of memory elements
JPH11340873A (ja) * 1998-03-23 1999-12-10 Ricoh Co Ltd ピーク検出回路
US6430119B1 (en) * 1999-05-10 2002-08-06 Matsushita Electric Industrial Co., Ltd. Optical disk drive apparatus capable of searching an optimum target position

Also Published As

Publication number Publication date
KR20020005961A (ko) 2002-01-18
JP2002141873A (ja) 2002-05-17
JP3880339B2 (ja) 2007-02-14
CN1200526C (zh) 2005-05-04
KR100791428B1 (ko) 2008-01-07
US6968279B2 (en) 2005-11-22
US20020017949A1 (en) 2002-02-14
CN1332533A (zh) 2002-01-23

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