DE4243084A1 - - Google Patents

Info

Publication number
DE4243084A1
DE4243084A1 DE4243084A DE4243084A DE4243084A1 DE 4243084 A1 DE4243084 A1 DE 4243084A1 DE 4243084 A DE4243084 A DE 4243084A DE 4243084 A DE4243084 A DE 4243084A DE 4243084 A1 DE4243084 A1 DE 4243084A1
Authority
DE
Germany
Prior art keywords
signal
control
converter
output
code chip
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.)
Ceased
Application number
DE4243084A
Other languages
German (de)
English (en)
Inventor
Takao Kurihara
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co 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
Priority claimed from JP3355212A external-priority patent/JPH05175938A/ja
Priority claimed from JP4072315A external-priority patent/JPH06209305A/ja
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of DE4243084A1 publication Critical patent/DE4243084A1/de
Ceased legal-status Critical Current

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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE4243084A 1991-12-20 1992-12-18 Ceased DE4243084A1 (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3355212A JPH05175938A (ja) 1991-12-20 1991-12-20 スペクトラム拡散受信装置
JP4072315A JPH06209305A (ja) 1992-02-21 1992-02-21 データ復調装置

Publications (1)

Publication Number Publication Date
DE4243084A1 true DE4243084A1 (enExample) 1993-06-24

Family

ID=26413457

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4243084A Ceased DE4243084A1 (enExample) 1991-12-20 1992-12-18

Country Status (2)

Country Link
US (1) US5285471A (enExample)
DE (1) DE4243084A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914694A1 (de) * 1999-03-31 2000-10-05 Abb Patent Gmbh Verfahren zur FSK-Demodulation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3212390B2 (ja) * 1992-11-17 2001-09-25 クラリオン株式会社 スライディング相関器
US5687190A (en) * 1995-10-20 1997-11-11 Otc Telecom Non-coherent direct sequence spread spectrum receiver for detecting bit/symbol chip sequences using threshold comparisons of chip sequence correlations

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616364A (en) * 1984-06-18 1986-10-07 Itt Corporation Digital hopped frequency, time diversity system
US5181226A (en) * 1989-03-06 1993-01-19 Raytheon Company Threshold level generator
FR2654563B1 (fr) * 1989-11-15 1992-01-24 Cornec Jean Paul Procede de recherche de synchronisation a la reception d'un signal module a etalement de spectre.
US5208829A (en) * 1991-03-26 1993-05-04 Hughes Aircraft Company Communication satellite system having an increased power output density per unit of bandwidth

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PROAKIS, John G.: Digital Communications. New York u.a.: McGraw-Hill Book Company, 1983, S. 200-209 ISBN 0-07-050927-1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19914694A1 (de) * 1999-03-31 2000-10-05 Abb Patent Gmbh Verfahren zur FSK-Demodulation

Also Published As

Publication number Publication date
US5285471A (en) 1994-02-08

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: H04B 1/707

8131 Rejection