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典型的手机RF电路设计83080 Receiver Architectures and Synchronization in Digital Communications

Practical RF Architectures for GSM and WCDMA Mobile Terminals

1

NOKIA

TTKK00.PPT/ 18.10.2000 / Mikko Pesola

Mobile Generations
1st generation systems, analog NMT, AMPS, TACS 2nd generation systems, digital GSM, IS-136 TDMA, IS-95 CDMA, PDC 3rd generation systems, digital wide band WCDMA standards have been prepared by ETSI (Europe), ARIB (Japan), TIA (USA),... 3GPP1 is a joint project that combines all proposals into one standard Harmonized standard includes three modes


Direct sequence mode based on 3GPP (UTRA2/FDD) Multi carrier mode based on CDMA2000 (USA proposal) TDD mode based on 3GPP (UTRA/TDD)

1) 3GPP = 3rd Generation Partnership Project 2) UTRA = Universal Terrestrial Radio Access

2

NO
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没钱,便宜卖,所有资料,全部一元
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