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WCDMA Resources

W-CDMA (Wideband Code Division Multiple Access), UMTS-FDD, UTRA-FDD, or IMT-2000 CDMA Direct Spread is an air interface standard found in 3G mobile telecommunications networks. It is the basis of Japan's NTT DoCoMo's FOMA service and the most-commonly used member of the UMTS family and sometimes used as a synonym for UMTS. - Wikipedia

CDMA / W-CDMA Manufacturers & Services


A CMOS Dual-Mode RF Front-End Receiver for GSM and WCDMA Applications |
Article from IEICE Transactions on Electronics, Oxford University Press.

A Velocity Estimation-Based Channel Estimator for WCDMA Forward Link Receiver |
Article from IEICE Transactions on Electronics, Oxford University Press.

Basic Concepts of WCDMA Radio Access Network |
White paper from Ericsson Radio Systems AB.

CDMA2000 1xEV-DO Basics |
1x EV-DO, the data optimised 3G cellular telecommunications (cell phone) system for CDMA2000. From

CDMA2000 Band Classes |
Cell phone band and frequency allocations used by the CDMA2000 cell phone system. From

CDMA Basics Tutorial |
Tutorial and information of the basics about the way direct sequence spread spectrum (DSSS) can be used to provide the CDMA (code division multiple access) technology for mobile, cell or cellular phone systems, or any other system, from

cdmaOne / CDMA2000 |
A guide to the evolution of the CDMA system from cdmaOne through CDMA2000 1X to CDMA2000 1xEV-DO and CDMA 2000 1xEV-DV. From

CDMA Overview |
CDMA basics including access schemes, coding, codes, the spreading process, power control, handover, multipath and rake receivers, from

CDMA Stuff |
Online articles, references, and resources on CDMA, from Spread Spectrum Scene.

CDMA to GSM/WCDMA Migration |
Opinion paper from GSA.

Discussion on CDMA and TDMA, from Steve Punter's Southern Ontario Cell Phone Page.

CDMA Technology |
Information on CDMA technology including comparisons to the two traditional ways of multiple access, Frequency Division Multiple Access (FDMA) and Time Division Multiple Access (TDMA).

Code Division Multiple Access (CDMA) |
The Concept of signal spreading and its uses in communications by Charan Langton.

Cooperative Control of WCDMA System under Geographically Congested Situations |
Abstract from ACTA Press, by Yapeng Wang,, J. Wu, J. Bigham, A. Ma, and L. Cuthbert.

Digital Sampling Power Analyzer for GSM and CDMA | notes/Digital Sampling Power Analyzer for GSM and CDMA.pdf
By Richard H. Blackwell, Boonton Electronics.

E8875A 3GPP FDD W-CDMA Design Library |
Provides behavioral models, and pre-configured Test and Verification setups which evaluate design performance parameters such as Adjacent Leakage Ratio (ACLR), Error Vector Magnitude (EVM), Peak Code Domain Error, coded Bit Error Rate (BER), and more. From Agilent Technologies.

HSDPA Testing |
Test methodologies must evolve as GSM and WCDMA combine with High-Speed Downlink Packet Access. Dr. Salim Manji, Spirent Communications -- Test & Measurement World, 2/1/2006.

Introduction to CDMA |
This paper provides an introduction to Code Division Multiple Access (CDMA) communications, covering a Radio Carrier Station (RCS) and a Fixed Subscriber Unit (FSU), by Michael Hendry.

IS-95, cdmaOne Mobile Phone System |
A basic introduction or tutorial about the basics of IS-95 A and B (IS 95) marketed under the brand name cdmaOne. From

RF Power Reduction for CDMA/WCDMA Cellular Phones |
By controlling supply voltages for the RF power amplifier in a CDMA/WCDMA cellular phone, you can improve the PA efficiency, minimize heat, and dramatically extend the phone's data/talk time. Abstract from Maxim Integrated Products, Dallas Semiconductor.

The Maximum Available Radio Resource of a WCDMA Downlink |
Article from IEICE Transactions on Electronics, Oxford University Press.

UMB Ultra-Mobile Broadband |
Key points, overview or tutorial about the basics of UMB, Ultra-Mobile Broadband, the next generation evolution for CDMA2000 providing high data transfer speeds and using both OFDM and MIMO. From

WCDMA Direct-Conversion Receiver Front-End Comparison in RF-CMOS and SiGe BiCMOS |
Abstract from IEEE, by Floyd, B.A. Reynolds, S.K. Zwick, T. Khuon, L. Beukema, T. Pfeiffer, U.R.

WCDMA Radio Network Planning |
Outline for PG Course in Radio Communications, by Tommi Heikkilä.

W-CDMA (Wideband Code Division Multiple Access) |
W-CDMA (Wideband Code Division Multiple Access), a type of 3G cellular network, is the higher speed transmission protocol used in the Japanese FOMA system and in the UMTS system, an advanced 3G system, designed as a replacement for the ageing 2G GSM networks deployed worldwide - from Wikipedia, the free encyclopedia.

Wideband CDMA Systems |
Lecture material for "WCDMA for UMTS, Radio Access For Third Generation Mobile Communications", from Helsinki University of Technology.

Wideband Code Division Multiple Access (W–CDMA) |
W–CDMA tutorial from the International Engineering Consortium.

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