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What does W-CDMA stand for?
W-CDMA stands for wideband-code division multiple access. It is a 3G technology that increases data transmission rates in GSM systems by using the CDMA air interface instead of TDMA.
total search649 articles
2007-11-01 ZTE claims 'first' W-CDMA commercial femtocell
ZTE claims its ZXWR H8901 product is the world's first W-CDMA commercial Home NodeB, also known as femtocell.
2007-02-14 W-CDMA protocol analyzer tests partial designs
Unlike using radio test sets on conformance test systems, the Aeroflex W-CDMA ACE 3G protocol analysis test system supports the early development of protocol test scenarios through its ability to test partial and incomplete designs.
2007-02-21 W-CDMA PA promises 25% more talk time
Leveraging Anadigics' HELP3 technology, the AWT6221 W-CDMA power amplifier reduces average current consumption by 75 percent, which translates to up to 25 percent increase in talk-time.
2005-02-28 W-CDMA PA modules reduce power consumption by 50 percent
Anadigics unveiled a new family of 4-by-4mm HELP W-CDMA PA modules that use the company's proprietary mode switching techniques.
2007-05-14 W-CDMA handsets to drive DSP growth till 2011
Forward Concepts predict that a pickup in the W-CDMA/UMTS handset shipments will drive a 12 percent CAGR in DSP chips till 2011.
2005-05-12 W-CDMA gets a boost from dual-band power amplifier module
Fairchild's new W-CDMA power amplifiers is one of the first dual-band W-CDMA PAs that offers a 3-by-3mm footprint
2005-03-25 W-CDMA chipset to support HSDPA
Qualcomm is developing the Mobile Station Modem MSM6260 chipset and system software solution for W-CDMA/High Speed Downlink Packet Access and GSM/GPRS/EDGE (EGPRS).
2009-12-29 W-CDMA base stations pack RRE
NTT Docomo Inc. is deploying new W-CDMA base stations equipped with newly-developed remote radio equipment (RRE) units to provide both existing W-CDMA and forthcoming LTE service.
2007-04-23 W-CDMA 2.3GHz VCO using BFR360F and BBY58-02V
The BFR360F is a 14GHz transition-frequency device which takes advantage of the latest manufacturing techniques requiring fewer processing steps than other devices in its class.
2004-11-22 UbiNetics, Renesas to develop W-CDMA, HSPDA subsystem
UbiNetics and Renesas Technology Corp. have agreed to develop an RF subsystem for emerging wideband CDMA (W-CDMA) and high-speed data packet access (HSDPA) designs for the Japanese, European, and US markets.
2007-10-11 Tiny W-CDMA duplexer extends handset talk time
Optimized for the UMTS Band 1 frequency band, Avago's FBAR-based W-CDMA duplexer improves talk time and handset sensitivity in a miniature 3mm x 2.5mm x 1.2mm package.
2007-11-29 Tiny duplexer handles W-CDMA Bands V/VI
EPCOS AG is shipping in production quantities a UMTS duplexer for the W-CDMA bands V/VI, which features a footprint of 2.5mm x 2mm and a flat insertion height of 0.5mm.
2004-10-01 Testing W-CDMA user equipment with RMC
Reference measurement channel provides a means to analyze areas of receiver performance in the RF domain.
2002-06-05 Tektronix spectrum analyzer speeds WLAN, W-CDMA device testing
The FSQ series of spectrum analyzers from Tektronix Inc. combines the spectrum and vector signal analysis into a single box, thereby shortening the time for testing WLAN and W-CDMA devices.
2002-01-01 Suppressing errors in W-CDMA mobile devices
This technical article describes the advantages of the W-CDMA specification that is capable of offering wireless Internet access with voice and data capabilities for handset designs.
2005-07-13 Samsung Electronics to export W-CDMA in Taiwan
Samsung Electronics has closed a supply contract with Taiwan's 3G mobile communications operator Vibo.
2009-09-16 RF transceiver targets W-CDMA handsets
Fujitsu Microelectronics is shipping a 3G SAW-less multimode, multiband UMTS/ GPRS/EDGE transceiver.
2005-06-06 RF power reduction for CDMA/W-CDMA cellular phones
This app note talks about RF power amplifier in a CDMA/WCDMA cellular phone.
2006-11-07 Radio card platform rolls for W-CDMA, WiMAX
Xilinx and AXIS Network Technology have announced the CDRSX, a common digital radio system development platform for W-CDMA and WiMAX base stations.
2009-11-24 Qualcomm, MediaTek share CDMA, W-CDMA patents
Qualcomm and MediaTek have made a patent arrangement to share each other's CDMA and W-CDMA IC technology.
2007-05-09 Qualcomm, Lenovo Mobile enter W-CDMA license agreement
Qualcomm Inc. and Lenovo Mobile Communications Technology Ltd have entered into a subscriber unit license agreement to cover W-CDMA subscriber products.
2005-01-26 Qualcomm W-CDMA chipset supports HSDPA
Qualcomm disclosed the on-time sampling of its MSM MSM6275 chipset for W-CDMA with support for HSDPA, a next-gen feature of the W-CDMA standard and GSM/GPRS/EDGE.
2002-04-08 Programmable modem for w-cdma
This article describes standards of the W-CDMA programmable modem and its potential to evolve to multimedia capabilities for the masses.
2010-02-19 Power amps support multiple W-CDMA bands
Skyworks Solutions Inc. is offering highly-integrated multimode power amplifier modules for next-generation smart phones and data cards requiring multiple W-CDMA bands.
2008-04-28 Power amp suits 3G handsets for W-CDMA network
Anadigics has released the AWT6281 HELP3 W-CDMA linear power amplifier engineered specifically for use in advanced 3G handsets for EGSM (Band 8) UMTS wireless networks.
2003-07-16 Panasonic area analyzer evaluates W-CDMA area
Panasonic Mobile Communications Co. Ltd has developed the VS-2100A area analyzer that evaluates the reception area of W-CDMA/UMTS basestation units.
2003-04-28 NTT DoCoMo, SingTel collaborate on W-CDMA services
NTT DoCoMo Inc. and SingTel have agreed to collaborate on the field of 3G mobile multimedia services based on W-CDMA technology.
2003-07-25 Nortel, Ericsson win wireless contract for first W-CDMA network in U.S.
AT&T Wireless has selected Nortel Networks and Ericsson as equipment vendors for what is expected to be the first W-CDMA-based 3G wireless network in North America.
2005-12-30 NJR LNA IC targets W-CDMA cellphones
New Japan Radio's NJG1122 device is a dual band LNA IC designed for W-CDMA cellphones of 2.1GHz and 800MHz band.
2002-08-09 Neoreach, RFIC to co-develop W-CDMA chipset
Neoreach Inc. has signed an MOU with the RF Microelectronics Lab to co-develop a new RF CMOS.
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