CA2496605C - Utilisation de formes d'ondes orthogonales afin de permettre a des emetteurs multiples de partager un seul canal a multiplexage par repartition de code - Google Patents

Utilisation de formes d'ondes orthogonales afin de permettre a des emetteurs multiples de partager un seul canal a multiplexage par repartition de code Download PDF

Info

Publication number: CA2496605C
Authority: CA; Canada
Prior art keywords: signal; signals; code; frequency; transmitters
Prior art date: 1996-04-02
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 - Fee Related

Application number

CA002496605A

Other languages

English (en)

Other versions

CA2496605A1 (fr

Inventor

Avneesh Agrawal

Brian K. Butler

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.)

Qualcomm Inc

Original Assignee

Qualcomm Inc

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.)

1996-04-02

Filing date

1997-04-01

Publication date

2008-08-19

1996-04-02 Priority claimed from US08/627,831 external-priority patent/US6134215A/en

1997-04-01 Application filed by Qualcomm Inc filed Critical Qualcomm Inc

1997-10-09 Publication of CA2496605A1 publication Critical patent/CA2496605A1/fr

2008-08-19 Application granted granted Critical

2008-08-19 Publication of CA2496605C publication Critical patent/CA2496605C/fr

2017-04-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 claims abstract description 25
238000004891 communication Methods 0.000 claims description 48
238000001914 filtration Methods 0.000 claims description 6
230000005540 biological transmission Effects 0.000 abstract description 11
239000002131 composite material Substances 0.000 abstract description 10
230000006870 function Effects 0.000 description 32
238000001228 spectrum Methods 0.000 description 14
238000010586 diagram Methods 0.000 description 10
230000001413 cellular effect Effects 0.000 description 6
239000011159 matrix material Substances 0.000 description 5
230000001427 coherent effect Effects 0.000 description 3
230000003321 amplification Effects 0.000 description 2
238000005562 fading Methods 0.000 description 2
238000003199 nucleic acid amplification method Methods 0.000 description 2
230000008054 signal transmission Effects 0.000 description 2
NFGXHKASABOEEW-GYMWBFJFSA-N (S)-methoprene Chemical compound COC(C)(C)CCC[C@H](C)C\C=C\C(\C)=C\C(=O)OC(C)C NFGXHKASABOEEW-GYMWBFJFSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
238000002955 isolation Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
230000003595 spectral effect Effects 0.000 description 1
239000013598 vector Substances 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Mobile Radio Communication Systems (AREA)

CA002496605A 1996-04-02 1997-04-01 Utilisation de formes d'ondes orthogonales afin de permettre a des emetteurs multiples de partager un seul canal a multiplexage par repartition de code Expired - Fee Related CA2496605C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/627,831 US6134215A (en)	1996-04-02	1996-04-02	Using orthogonal waveforms to enable multiple transmitters to share a single CDM channel
US627,831		1996-04-02
CA002222928A CA2222928C (fr)	1996-04-02	1997-04-01	Utilisation de formes d'ondes orthogonales afin de permettre a des emetteurs multiples de partager un seul canal a multiplexage par repartition de code

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002222928A Division CA2222928C (fr)	1996-04-02	1997-04-01	Utilisation de formes d'ondes orthogonales afin de permettre a des emetteurs multiples de partager un seul canal a multiplexage par repartition de code

Publications (2)

Publication Number	Publication Date
CA2496605A1 CA2496605A1 (fr)	1997-10-09
CA2496605C true CA2496605C (fr)	2008-08-19

Family

ID=34423906

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002496605A Expired - Fee Related CA2496605C (fr)	1996-04-02	1997-04-01	Utilisation de formes d'ondes orthogonales afin de permettre a des emetteurs multiples de partager un seul canal a multiplexage par repartition de code

Country Status (1)

Country	Link
CA (1)	CA2496605C (fr)

1997
- 1997-04-01 CA CA002496605A patent/CA2496605C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2496605A1 (fr)	1997-10-09

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Legal Events

Date	Code	Title	Description
2005-03-02	EEER	Examination request
2017-05-16	MKLA	Lapsed	Effective date: 20170403