Cdma Anjan V1

Elementary Concepts, Standards And CDMA Anjan.K III Sem M.Tech Dept Of CSE M.S.R.I.T 10/03/09 MC: Elementary Concepts and CDMA

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

International Standardization ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

IMT-2000 Radio Standards ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA * Paired spectrum; ** Unpaired spectrum

10/03/09 MC: Elementary Concepts and CDMA

Mobile Standards Organizations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

First Generation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Second Generation — 2G ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Need for CDMA Technology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

CDMA???? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

CDMA Analogy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CDMA Standards - IS-95 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

CDMA Standards - IS-95A ,[object Object],[object Object],[object Object],[object Object],[object Object]

CDMA Standards - IS-95B ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IS-95 CDMA Features-(1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

IS-95 CDMA Features-(2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

IS-95 Vs 2G Phone Systems 10/03/09 MC: Elementary Concepts and CDMA

IS – 95 Vocoders ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Frequency Allocation GSM Vs CDMA 10/03/09 MC: Elementary Concepts and CDMA

Mathematical Background – (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mathematical Background – (2) What is the tolerable interference over desired signal power?

Mathematical Background – (3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mathematical Background – (4) ,[object Object],[object Object],[object Object]

Spreading Codes ,[object Object],[object Object],[object Object]

Desirable Randomness Properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Desirable Randomness Properties (contd…) ,[object Object],[object Object],[object Object],[object Object],[object Object]

PN Sequences ,[object Object],[object Object],[object Object]

PN Sequences (contd…) ,[object Object],[object Object],[object Object]

Randomness Properties of PN Sequences ,[object Object],[object Object],[object Object],[object Object]

PN Sequences Specified in IS-95 ,[object Object],[object Object],[object Object],[object Object]

PN Sequences Specified in IS-95 (contd…) ,[object Object],[object Object]

Walsh Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Spread Spectrum ,[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Advantages of Spread Spectrum ,[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Types Of Spread Spectrum ,[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Direct Sequence Spread Sprectrum ,[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

CDMA Forward Link ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

CDMA Reverse Channel ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

3G Vision ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

IS 95 to CDMA 2000 3G Evolution 10/03/09 MC: Elementary Concepts and CDMA

CDMA2000 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

W-CDMA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Need For WCDMA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

W-CDMA Vs cdma2000 10/03/09 MC: Elementary Concepts and CDMA

TD-SCDMA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

Rake Receiver ,[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],10/03/09 MC: Elementary Concepts and CDMA

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cdma Anjan V1

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Cdma Anjan V1