EP1782593A4 - Distanz-multiplex-verfahren - Google Patents

Distanz-multiplex-verfahren

Info

Publication number
EP1782593A4
EP1782593A4 EP05760863A EP05760863A EP1782593A4 EP 1782593 A4 EP1782593 A4 EP 1782593A4 EP 05760863 A EP05760863 A EP 05760863A EP 05760863 A EP05760863 A EP 05760863A EP 1782593 A4 EP1782593 A4 EP 1782593A4
Authority
EP
European Patent Office
Prior art keywords
division multiplexing
distance division
distance
multiplexing
division
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.)
Withdrawn
Application number
EP05760863A
Other languages
English (en)
French (fr)
Other versions
EP1782593A2 (de
Inventor
Venkata Guruprasad
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US11/069,152 external-priority patent/US7106801B1/en
Application filed by Individual filed Critical Individual
Publication of EP1782593A2 publication Critical patent/EP1782593A2/de
Publication of EP1782593A4 publication Critical patent/EP1782593A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
EP05760863A 2004-08-24 2005-06-15 Distanz-multiplex-verfahren Withdrawn EP1782593A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60368804P 2004-08-24 2004-08-24
US11/069,152 US7106801B1 (en) 2005-03-01 2005-03-01 Distance division multiplexing
PCT/US2005/021082 WO2006023012A2 (en) 2004-08-24 2005-06-15 Distance division multiplexing

Publications (2)

Publication Number Publication Date
EP1782593A2 EP1782593A2 (de) 2007-05-09
EP1782593A4 true EP1782593A4 (de) 2013-03-27

Family

ID=35968006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05760863A Withdrawn EP1782593A4 (de) 2004-08-24 2005-06-15 Distanz-multiplex-verfahren

Country Status (4)

Country Link
EP (1) EP1782593A4 (de)
JP (1) JP4824026B2 (de)
CA (1) CA2575981C (de)
WO (1) WO2006023012A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8903670B2 (en) * 2005-07-13 2014-12-02 Venkata Guruprasad Distance-dependent spectra with uniform sampling spectrometry
WO2014085936A1 (en) * 2012-12-07 2014-06-12 Evolution Engineering Inc. Method and apparatus for multi-channel downhole electromagnetic telemetry
US9803473B2 (en) 2015-10-23 2017-10-31 Schlumberger Technology Corporation Downhole electromagnetic telemetry receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
JP3397282B2 (ja) * 1995-08-14 2003-04-14 日本電信電話株式会社 周波数帯域分割型反響消去装置
KR20140066792A (ko) * 1996-06-27 2014-06-02 인터디지탈 테크날러지 코포레이션 쇼트 코드를 사용하여 ｃｄｍａ 시스템에서 초기 전력 램프-업을 제어하는 방법
ATE195040T1 (de) * 1996-09-20 2000-08-15 Siemens Ag Polarisationsdiversity-system für mobilkommunikation mit adaptiver gestaltung der abstrahlungscharakteristik
US7180580B2 (en) * 2004-07-02 2007-02-20 Venkata Guruprasad Passive distance measurement using spectral phase gradients

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ARAKI S ET AL: "Subband based blind source separation for convolutive mixtures of speech", IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP'03) 6-10 APRIL 2003 HONG KONG, CHINA; [IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING- ICASSP 2003, vol. 5, 6 April 2003 (2003-04-06), pages V_509 - V_512, XP010639320, ISBN: 978-0-7803-7663-2, DOI: 10.1109/ICASSP.2003.1200018 *
FUTOSHI ASANO ET AL: "Combined Approach of Array Processing and Independent Component Analysis for Blind Separation of Acoustic Signals", IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, vol. 11, no. 3, 1 May 2003 (2003-05-01), NY, US, pages 204 - 215, XP011079702, ISSN: 1063-6676, DOI: 10.1109/TSA.2003.809191 *
See also references of WO2006023012A2 *

Also Published As

Publication number Publication date
JP2008511250A (ja) 2008-04-10
WO2006023012A2 (en) 2006-03-02
JP4824026B2 (ja) 2011-11-24
CA2575981A1 (en) 2006-03-02
CA2575981C (en) 2013-10-29
EP1782593A2 (de) 2007-05-09
WO2006023012A3 (en) 2006-04-06

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Legal Events

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