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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 Books 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 radioelectronics.com.
CDMA2000 Band Classes
Cell phone band and frequency allocations used by the CDMA2000 cell phone system. From radioelectronics.com.
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 Radio-Electronics.com.
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 radioelectronics.com.
CDMA Overview
CDMA basics including access schemes, coding, codes, the spreading process, power control, handover, multipath and rake receivers, from UMTSWorld.com.
CDMA Stuff
Online articles, references, and resources on CDMA, from Spread Spectrum Scene.
CDMA to GSM/WCDMA Migration
Opinion paper from GSA.
CDMA vs TDMA
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.
Commonalities between CDMA2000 and
WCDMA Technologies
Information from QUALCOMM Inc.
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
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 radioelectronics.com.
Optimization of Idle-Mode Receiver Measurements in WCDMA
Abstract from the Centre for Mathematical Sciences, Sweden.
Optimum Antenna Downtilt Angles for Macrocellular WCDMA Network
Abstract from EURASIP Journal on Wireless Communications and Networking, by Jarno Niemelä, Tero Isotalo, and Jukka Lempiäinen.
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 radioelectronics.com.
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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