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UMTS: W-CDMA Technology 
3g generation 3rd generation technology based on Wide Code Division Multiple Access (W-CDMA), pdf file
An Introduction to Direct-Sequence Spread-Spectrum Communications A tutorial overview of spread spectrum principles. Covers both direct sequence and fast hopping methods. Theoretical equations are given to allow performance estimates. Relation to CDMA and TDMA is provided. Schematic of a code sequence generator is shown. Spectral plots are shown for DSSS and FHSS methods
Behaviour modelling of Wideband - Code Division Multiple Access pdf file
Comprehending the technology behind the UMTS wideband CDMA physical layer The physical layer of the universal mobile telecommunications system (UMTS) wideband code-division multiple access (WCDMA) standard uses direct sequence spread spectrum (DSSS) modulation with a chip rate of 3.84 Mcps, pdf file
Dynamic Channel Allocation in UMTS
Evolution Towards UMTS This paper provides a high level overview of 2G and 3G wireless cellular technologies and the expected evolutionary path between them, pdf file
Overview of UMTS-WCDMA Technology Standardization, CDMA Technology, WCDMA Features, Spreading and Coding, WCDAM Air Interface Protocol, Uplink Physical Channels, pdf file
Overview of GPRS and UMTS pdf file
Overview of UMTS
Practical Tips on WCDMA Measurements This is a practical Wideband Code Division Multiple Access (WCDMA) measurement procedures note. The objective of this note is to present measurement tips and procedures which will help a field-based network technician or RF engineer conduct Node B measurements on WCDMA access networks, pdf file
Radio frequency bands for GSM and UMTS GSM bands, GPRS bands, EDGE Bands, UMTS bands
Radio frequency bands for UMTS pdf file
RF Microelectronics for W-CDMA Mobile Communication Systems Third generation (3G) mobile communication systems, A total bandwidth of 230 MHz for the use with 3G systems was identified by the 1992 WARC (World Administrative Radio Conference), pdf file
UMTS Universal Mobile Telecommunications System (UMTS) Protocols and Protocol Testing, Universal Mobile Telecommunications System (UMTS) is envisioned as the successor to Global System for Mobile Communications (GSM). UMTS signals the move into the third generation (3G) of mobile networks. UMTS, also referred to as wideband code division multiple access (W–CDMA), is one of the most significant advances in the evolution of telecommunications into 3G networks, ...
UMTS: 3G Mobile Communication System With UMTS the user will benefit all the advantages of GPRS; i.e. be always-on, pay for the data, which has been used, but at a still higher throughput, pdf file
UMTS frequency spectrum IMT2000 (3G/UMTS)
UMTS Overview
UMTS Protocols and Protocol Testing pdf file
UMTS: spectrum frequency allocations Mobile Phones for the Next Generation, UMTS - the Universal Mobile Telecommunications Service - represents the Third Generation of mobile telecommunications
UMTS technical UMTS (Universal Mobile Telephone Service) is a third generation (3G) mobile system being developed by ETSI within the ITU’s IMT-2000 framework
UMTS Technology Explained UMTS Technology Explained, ppt file
UMTS Terrestrial Radio Access (UTRA) pdf file
Understanding Spread Spectrum for Communications
W-CDMA/UMTS Wireless Networks This technical brief introduces the reader to W-CDMA/UMTS wireless networks and provide some understanding and insight to the air interface to enable base station/Node B maintenance personnel to effectively maintain them. pdf file
W-CDMA Technology W-CDMA Technology: Overview of W-CDMA Physical Channels (L1) and Protocol (L2, L3) Introduction, pdf file
Wideband CDMA Radio Transmission Technology pdf file
Wideband CDMA systems Introduction to 3G systems. Radio channel models, Evolution from GSM to UMTS, Introduction to WCDMA

UMTS: Universal Mobile Telephone Service, frequency spectrum

TDD: Time Division Duplex
FDD: Frequency Division Duplex, offset: 190 MHz.
MSS: Mobile Satellite Services

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Last updated on: 2011-01-02 | Copyright © 2011-2021 Educypedia.