CA2583679C - Systeme et methode de communication synchrones a etalement du spectre - Google Patents

Systeme et methode de communication synchrones a etalement du spectre Download PDF

Info

Publication number: CA2583679C
Authority: CA; Canada
Prior art keywords: signal; chip; generic; message; spread
Prior art date: 1990-12-14
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

CA002583679A

Other languages

English (en)

Other versions

CA2583679A1 (fr

Inventor

Donald L. Schilling

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.)

InterDigital Technology Corp

Original Assignee

InterDigital Technology 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.)

1990-12-14

Filing date

1991-12-10

Publication date

2010-02-02

1990-12-14 Priority claimed from US07/626,109 external-priority patent/US5228056A/en

1991-12-10 Application filed by InterDigital Technology Corp filed Critical InterDigital Technology Corp

1991-12-10 Priority to CA002615665A priority Critical patent/CA2615665C/fr

1991-12-10 Priority claimed from CA002354687A external-priority patent/CA2354687C/fr

1992-06-15 Publication of CA2583679A1 publication Critical patent/CA2583679A1/fr

2010-02-02 Application granted granted Critical

2010-02-02 Publication of CA2583679C publication Critical patent/CA2583679C/fr

2011-12-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000001228 spectrum Methods 0.000 title claims abstract description 49
238000000034 method Methods 0.000 title claims abstract description 23
230000001360 synchronised effect Effects 0.000 title abstract description 50
230000008569 process Effects 0.000 abstract description 2
238000001514 detection method Methods 0.000 description 10
230000007480 spreading Effects 0.000 description 9
238000005562 fading Methods 0.000 description 3
238000001914 filtration Methods 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
230000015556 catabolic process Effects 0.000 description 1
230000001427 coherent effect Effects 0.000 description 1
230000002596 correlated effect Effects 0.000 description 1
230000000875 corresponding effect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001934 delay Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
239000005433 ionosphere Substances 0.000 description 1
230000010363 phase shift Effects 0.000 description 1

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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Synchronisation In Digital Transmission Systems (AREA)
Mobile Radio Communication Systems (AREA)

CA002583679A 1990-12-14 1991-12-10 Systeme et methode de communication synchrones a etalement du spectre Expired - Lifetime CA2583679C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002615665A CA2615665C (fr)	1990-12-14	1991-12-10	Systeme et methode de communication synchrones a etalement du spectre

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US07/626,109 US5228056A (en)	1990-12-14	1990-12-14	Synchronous spread-spectrum communications system and method
US07/626,109		1990-12-14
CA002354687A CA2354687C (fr)	1990-12-14	1991-12-10	Systeme et methode de communication synchrones a etalement du spectre

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002354687A Division CA2354687C (fr)	1990-12-14	1991-12-10	Systeme et methode de communication synchrones a etalement du spectre

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002615665A Division CA2615665C (fr)	1990-12-14	1991-12-10	Systeme et methode de communication synchrones a etalement du spectre

Publications (2)

Publication Number	Publication Date
CA2583679A1 CA2583679A1 (fr)	1992-06-15
CA2583679C true CA2583679C (fr)	2010-02-02

Family

ID=38175528

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002583679A Expired - Lifetime CA2583679C (fr)	1990-12-14	1991-12-10	Systeme et methode de communication synchrones a etalement du spectre

Country Status (1)

Country	Link
CA (1)	CA2583679C (fr)

1991
- 1991-12-10 CA CA002583679A patent/CA2583679C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2583679A1 (fr)	1992-06-15

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Legal Events

Date	Code	Title	Description
2007-04-19	EEER	Examination request
2011-12-10	MKEX	Expiry