IT1119972B - Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso - Google Patents

Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso

Info

Publication number
IT1119972B
IT1119972B IT69390/79A IT6939079A IT1119972B IT 1119972 B IT1119972 B IT 1119972B IT 69390/79 A IT69390/79 A IT 69390/79A IT 6939079 A IT6939079 A IT 6939079A IT 1119972 B IT1119972 B IT 1119972B
Authority
IT
Italy
Prior art keywords
procedure
transmission
communication system
analog signals
spectrum communication
Prior art date
Application number
IT69390/79A
Other languages
English (en)
Other versions
IT7969390A0 (it
Inventor
Giancarlo Pirani
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT69390/79A priority Critical patent/IT1119972B/it
Publication of IT7969390A0 publication Critical patent/IT7969390A0/it
Priority to US06/215,793 priority patent/US4365327A/en
Application granted granted Critical
Publication of IT1119972B publication Critical patent/IT1119972B/it

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
    • H04B1/69—Spread spectrum techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
IT69390/79A 1979-12-13 1979-12-13 Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso IT1119972B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT69390/79A IT1119972B (it) 1979-12-13 1979-12-13 Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso
US06/215,793 US4365327A (en) 1979-12-13 1980-12-12 Method of and means for spread-spectrum transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT69390/79A IT1119972B (it) 1979-12-13 1979-12-13 Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso

Publications (2)

Publication Number Publication Date
IT7969390A0 IT7969390A0 (it) 1979-12-13
IT1119972B true IT1119972B (it) 1986-03-19

Family

ID=11312028

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69390/79A IT1119972B (it) 1979-12-13 1979-12-13 Procedimento e dispositivo per la trasmissione di segnali analogici in un sistema di comunicazione a spettro diffuso

Country Status (2)

Country Link
US (1) US4365327A (it)
IT (1) IT1119972B (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597107A (en) * 1983-04-01 1986-06-24 Psr Products, Inc. Modulation detector and classifier
US5073900A (en) * 1990-03-19 1991-12-17 Mallinckrodt Albert J Integrated cellular communications system
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US6693951B1 (en) 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
US5712866A (en) * 1995-07-18 1998-01-27 Westinghouse Electric Corporation Small low powered digital transmitter for covert remote surveillance
US5828737A (en) * 1995-10-24 1998-10-27 Telefonaktiebolaget L M Ericsson Communications service billing based on bandwidth use
US5794140A (en) * 1995-10-24 1998-08-11 Telefonaktiebolaget L M Ericcson (Publ) Method and apparatus for offering subscribers access to unused communications capacity in a cellular communications system
US5930230A (en) 1996-05-28 1999-07-27 Qualcomm Incorporated High data rate CDMA wireless communication system
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US6396804B2 (en) 1996-05-28 2002-05-28 Qualcomm Incorporated High data rate CDMA wireless communication system
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US5974308A (en) * 1996-11-13 1999-10-26 Telefonaktiebolaget Lm Ericsson Selective broadcasting of charge rates
US20040156504A1 (en) * 2002-12-16 2004-08-12 Mo Shaomin Samuel Method and apparatus reducing discrete components of repetitive ultra wideband signals
BR0302553A (pt) * 2003-07-01 2005-03-29 Intelbras S A Ind De Telecomun Equipamento telefônico sem fio com espalhamento espectral em voz amostrada

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251960B1 (it) * 1973-11-16 1977-08-12 Thomson Csf
NL7903466A (nl) * 1979-05-03 1980-11-05 Philips Nv Spectrumomvormer voor analoge signalen.

Also Published As

Publication number Publication date
US4365327A (en) 1982-12-21
IT7969390A0 (it) 1979-12-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19941125