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CDMA / W-CDMA 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 Books       CDMA / W-CDMA Manufacturers & Services


A CMOS Dual-Mode RF Front-End Receiver for GSM and WCDMA Applications | ietele.oxfordjournals.org/cgi/content/abstract/E88-C/6/1218
Article from IEICE Transactions on Electronics, Oxford University Press.

A Velocity Estimation-Based Channel Estimator for WCDMA Forward Link Receiver | ietcom.oxfordjournals.org/cgi/content/abstract/E88-B/11/4373
Article from IEICE Transactions on Electronics, Oxford University Press.

Basic Concepts of WCDMA Radio Access Network | whitepapers.techrepublic.com.com/abstract.aspx?docid=38085
White paper from Ericsson Radio Systems AB.

CDMA2000 1xEV-DO Basics | radio-electronics.com/info/cellulartelecomms/evdo/ev-do.php
1x EV-DO, the data optimised 3G cellular telecommunications (cell phone) system for CDMA2000. From radioelectronics.com.

CDMA2000 Band Classes | radio-electronics.com/info/cellulartelecomms/cdma-sys/bandclasses/cdmabandclasses.php
Cell phone band and frequency allocations used by the CDMA2000 cell phone system. From radioelectronics.com.

CDMA Basics Tutorial | radio-electronics.com/info/rf-technology-design/cdma/what-is-cdma-basics-tutorial.php
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 | radio-electronics.com/info/cellulartelecomms/cdma-sys/cdmaintro/cdmaintro.php
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 | umtsworld.com/technology/cdmabasics.htm
CDMA basics including access schemes, coding, codes, the spreading process, power control, handover, multipath and rake receivers, from UMTSWorld.com.

CDMA Stuff | sss-mag.com/cdma.html
Online articles, references, and resources on CDMA, from Spread Spectrum Scene.

CDMA to GSM/WCDMA Migration | gsacom.com/gsm_3g/opinion_papers.php4
Opinion paper from GSA.

CDMA vs TDMA | arcx.com/sites/CDMAvsTDMA.htm
Discussion on CDMA and TDMA, from Steve Punter's Southern Ontario Cell Phone Page.

CDMA Technology | tsp.ece.mcgill.ca/Telecom/Docs/cdma.html
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) | complextoreal.com/CDMA.pdf
The Concept of signal spreading and its uses in communications by Charan Langton.

Cooperative Control of WCDMA System under Geographically Congested Situations | actapress.com/PaperInfo.aspx?PaperID=29306
Abstract from ACTA Press, by Yapeng Wang,, J. Wu, J. Bigham, A. Ma, and L. Cuthbert.

Digital Sampling Power Analyzer for GSM and CDMA | boonton.com/products/4400a-4500a/app notes/Digital Sampling Power Analyzer for GSM and CDMA.pdf
By Richard H. Blackwell, Boonton Electronics.
E8875A 3GPP FDD W-CDMA Design Library | eesof.tm.agilent.com/products/e8875a-new.html
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
| reed-electronics.com/tmworld/article/CA6302574.html?industryid=3125
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 | bee.net/mhendry/vrml/library/cdma/cdma.htm
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 | radio-electronics.com/info/cellulartelecomms/is95/is95.php
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.

RF Power Reduction for CDMA/WCDMA Cellular Phones | maxim-ic.com/appnotes.cfm/an_pk/3434
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 | ietcom.oxfordjournals.org/cgi/content/abstract/E88-B/11/4309
Article from IEICE Transactions on Electronics, Oxford University Press.

UMB Ultra-Mobile Broadband | radio-electronics.com/info/cellulartelecomms/3gpp2/umb-ultra-mobile-broadband.php
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 | ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1420746&isnumber=30699
Abstract from IEEE, by Floyd, B.A. Reynolds, S.K. Zwick, T. Khuon, L. Beukema, T. Pfeiffer, U.R.

WCDMA Radio Network Planning | comlab.hut.fi/opetus/4210/presentations/16_wcdma_rnp.pdf
Outline for PG Course in Radio Communications, by Tommi Heikkilä.

W-CDMA (Wideband Code Division Multiple Access) | en.wikipedia.org/wiki/W-CDMA
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 | comlab.hut.fi/opetus/238/lectures.html
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) | iec.org/online/tutorials/wcdma
W–CDMA tutorial from the International Engineering Consortium.
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