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CDMA news and hot articles

2010-05-07 Indonesia telecom taps Huawei CDMA network
Huawei has deployed the huge capacity CDMA MSC Pool core network for PT Bakrie Telecom in Indonesia.
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.
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.
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.
2009-09-17 LT5528 W-CDMA ACPR, AltCPR and noise measurements
ACPR (adjacent channel power ratio), AltCPR (alternate channel power ratio) and noise are important performance metrics for digital communication systems that use, for example, W-CDMA modulation.
2009-09-16 RF transceiver targets W-CDMA handsets
Fujitsu Microelectronics is shipping a 3G SAW-less multimode, multiband UMTS/ GPRS/EDGE transceiver.
2009-07-29 Ericsson acquires Nortel LTE, CDMA assets
Ericsson has agreed to acquire the parts of the carrier networks division of Nortel relating to CDMA and Long Term Evolution (LTE) technology in North America.
2009-06-03 CDMA connects more than 100M in India
The CDMA Development Group (CDG) has announced that India has reached more than 100 million CDMA subscribers, making it the world's second-largest CDMA market.
2009-03-30 Agilent concepts of HSDPA: Bringing increased throughput and efficiency to W-CDMA
This application note discusses the major changes that HSDPA introduces in the W-CDMA physical and transport layers, including new link adaptation techniques and modifications to the structure of the physical channels, modulation and coding.
2009-03-26 Designing and testing 3GPP W-CDMA base transceiver stations
This application note focuses on the PHY (layer 1) aspects of W-CDMA base transceiver stations (BTS).
2009-03-25 Ericsson to supply W-CDMA nets in China
China Unicom has selected Ericsson to supply W-CDMA networks and services for 15 provinces in China. The networks will enable high-speed 3G mobile communications.
2008-12-18 China Telecom to upgrade CDMA 2000 network
Motorola Inc. has been selected by China Telecommunications Corp. (China Telecom) as a CDMA network infrastructure supplier to upgrade a portion of its nationwide CDMA 2000 1X network to include next-generation broadband data capability and advanced multimedia services.
2008-12-05 Alcatel-Lucent to provide CDMA solution to China Telecom
China Telecommunications Corp. has selected Alcatel-Lucent to provide end-to-end communication solution, and increase the capacity and coverage of its mobile voice and data network throughout China.
2008-08-21 CDMA is not dead, notes ABI
The increased support for LTE from incumbent CDMA operators does not imply the imminent death of EVDO Rev A and B, notes ABI Research. EVDO Rev A subscribers are forecast to exceed 54 million by 2013 while Rev B subscribers will also increase, to 25 million.
2008-08-20 CECT, VIA partner on CDMA handsets
China-based mobile phone manufacturer CEC Telecom Co. Ltd (CECT), a subsidiary of Qiao Xing Mobile Communication Co. Ltd, has entered into a strategic cooperation with Taiwan core logic chipset supplier VIA Technologies Inc.
2008-07-24 'Smallest' SAW duplexers, filters work with W-CDMA bands
Fujitsu Media Devices has unveiled what it touts to be smallest SAW duplexers for W-CDMA mobile phones and SAW filters for GSM technology, using a hermetic seal structure.
2008-07-18 MTNet taps Aeroflex platform for CDMA, A-GPS test
MTNet, the CDMA Certification Forum (CCF) accredited conformance test lab established within China's Ministry of Information Industries, has standardized on the Aeroflex 6402 AIME CDMA test platform for 1xEV-DO Rev A and A-GPS testing.
2008-05-27 Multicarrier W-CDMA feasibility
The goal of this application note by Brad Brannon and Bill Schofield for Analog Devices is to determine the feasibility of implementing a multicarrier 3G transceiver and what the major subsystem performances must be.
2008-05-15 Qualcomm, AsiaTelco forge 3G CDMA license deal
Qualcomm and AsiaTelco Technologies Holding have entered into a license agreement, under which AsiaTelco is granted rights to develop, manufacture and sell subscriber units and modem cards implementing the CDMA2000, W-CDMA and TD-SCDMA standards.
2008-05-05 Power management IC meets CDMA handset needs
AnalogicTech has launched a power management IC designed with a single-cell Li-ion battery charger, a 300mA step-down converter, five LDO regulators, a reset function and an I2C interface to supply all the power requirements of new CDMA handsets.
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.
2008-04-03 CDMA EV-DO platform trims cost of broadband upgrade
Motorola has released a new IP-BSC-DO, a highly scalable EV-DO base site controller platform that enables CDMA operators to quickly and cost-effectively upgrade the DO broadband data capacity.
2008-03-03 A simple method to reduce DC power consumption in CDMA RF power amplifiers through the LMV225 and an efficient switcher
This article presents a simple power tracking technique for efficiency enhancement in CDMA RF power amplifiers.
2008-02-26 Huawei deploys All-IP CDMA network in India
Huawei Technologies Co. Ltd announced that its All-IP CDMA solution has been successfully deployed in the commercial network of Tata Indicom in India.
2008-02-21 Mobile spectrum analyzer tests WLAN, WiMAX, W-CDMA
The portable R&S FSL18 spectrum analyzer from Rohde & Schwarz meets the growing need for compact instruments in applications such WiMAX network installation and maintenance.
2008-02-04 Enhanced signal generators deal with CDMA 1xEVDO
The latest software option from Rohde & Schwarz for its RF and baseband signal generators makes it easy to generate signals in conformance with Rel. 0 and Rev. A of the CDMA 1xEV-DO standard.
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.
2007-11-15 Chipsets cut cost of W-CDMA broadband handsets
Qualcomm has introduced new MSM MSM6246 HSDPA and MSM6290 HSUPA chipsets, which the company claims will reduce the cost of W-CDMA mobile broadband handsets.
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.
2007-10-29 Kyocera, Siemens partner on CDMA, GSM M2M modules
Kyocera Wireless and Siemens have announced a formal sales and business development relationship to cooperatively provide CDMA and GSM M2M solutions.
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.
2007-10-01 Evaluating data transfer in HSDPA/W-CDMA nets
Testing mobile phones under real HSDPA/W-CDMA network conditions poses several challenges. A network simulator can serve as a platform for comparing the throughput of different user equipment by providing a stable and reproducible network environment.
2007-09-26 Qualcomm, China's BYD ink 3G CDMA license deal
Qualcomm has entered into a subscriber unit license agreement with BYD Company Ltd, a manufacturer of rechargeable battery and provider of handset components in China.
2007-09-20 CDMA power amp powers LG Chocolate phone
Anadigics Inc. announced it is shipping production volumes of its new AWT6321R dual-band CDMA power amplifier module to LG Electronics for the new Chocolate handset.
2007-08-29 Fujitsu unrolls transmitter modules for W-CDMA cellphones
Fujitsu Media Devices has developed the T0311QZ1950 (Band I), T0311QZ0836 (Band V), and T0312QZ1880 (Band II) compact, high-performance transmitter modules for W-CDMA cellphones.
2007-07-13 Adcore-Tech ships samples of W-CDMA baseband processor
Adcore-Tech has started shipping samples of the W-CDMA baseband processor it was set up to develop.
2007-07-10 Adcore-Tech unveils 3.5G W-CDMA mobile tech
Adcore-Tech, a joint venture of NEC, NEC Electronics, Matsushita, Panasonic and Texas Instruments, has succeeded in developing a new W-CDMA 3.5G digital baseband technology.
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.
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.
2007-05-01 Buck converter suits W-CDMA/N-CDMA PAs
Maxim introduced the MAX8805Y/MAX8805Z 600mA, PWM step-down converters in 2-by-2mm WLPs for W-CDMA/N-CDMA power amplifiers.
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.
2007-04-03 Anadigics rolls energy-saving CDMA power amps
Anadigics introduced the ZeroIC line of CDMA 1X and 1XEVDO power amplifiers designed to cut average current consumption by up to 50 percent.
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.
2007-02-19 Broadcom's HEDGE mobile processor targets HSDPA, W-CDMA
Broadcom announced its BCM2153 HEDGE baseband processor for mobile phones operating on HSDPA and W-CDMA networks.
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.
2007-02-08 Motorola taps Neotel for WiMAX, CDMA networks in Africa
Motorola Inc will partner with South Africa's Neotel for the RF planning of its WiMAX and CDMA wireless networks in the region.
2007-02-07 LNAs suit GSM, W-CDMA, WiMAX base stations
Avago's MGA-631P8 and -632P8 LNAs are designed for the receiver chain of GSM, CDMA2000, W-CDMA and WiMAX base station and repeater designs.
2006-12-29 CDRS devt platform rolls for W-CDMA, WiMAX
Xilinx and AXIS Network have partnered in the development of a CDRS platform for W-CDMA and WiMAX base stations.
2006-12-20 4W power amp rolls for W-CDMA systems
WJ Communications has announced a 4W power amp module for W-CDMA infrastructure systems.
2006-12-01 Measuring single-tone desensitization for CDMA receivers
This application note discusses primary mechanisms that affect the design and performance of cellular-band CDMA handsets, including reciprocal mixing and cross-modulation.
2006-11-16 CDMA phone eyes India's low-tier mobile market
LG Electronics' RD3330 CDMA phone for Indian cellular markets keeps component count and feature set to a minimum to meet aggressive production cost targets.
2006-11-13 DC/DCs for CDMA power amps include bypass FET
Maxim Integrated Products' new 2.5MHz DC/DC converters integrate a low-RDS bypass FET to minimize PCB area and extend battery lifetimes.
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.
2006-09-27 Qualcomm, India's HCL ink 3G CDMA license agreement
Qualcomm and Himachal Futuristic Communications have signed a commercial CDMA2000 subscriber unit and modem card license agreement.
2006-09-27 DC/DCs extend battery life in CDMA, WCDMA handsets
Semtech's new DC/DC step-down power converters improve battery life by providing adaptive power management for CDMA and WCDMA handsets.
2006-09-14 Fujitsu develops transmitter module for CDMA cellphones
Fujitsu Media Devices has announced the development of the T0212AZ0836, a small and high-performance transmitter module for CDMA mobile phones.
2006-07-14 DC/DC converter targets WCDMA, CDMA handsets
AnalogicTech has announced the AAT1171, a new voltage-scaling DC/DC step-down converter designed to control power to the power amplifier in WCDMA and CDMA handsets.
2006-03-20 Power manager IC supports entry-level GSM/CDMA phones
austriamicrosystems' AS3653 provides virtually complete power-with-power-management support for the entry-level GSM and CDMA phone market.
2006-03-13 SAW filters aimed at GSM, CDMA cellphones
TriQuint Semiconductor introduced a family of GSM and CDMA cellphone SAW filters measuring 1.4-by-1.2-by-0.5mm3 for next-generation cellphone designs.
2006-02-17 Nokia, Sanyo team to topple Samsung in CDMA
Sanyo Electric and Nokia announced that they have reached a preliminary joint-venture agreement to merge their respective CDMA mobile-phone businesses in a bid to unseat CDMA market leader Samsung.
2006-02-02 Kyocera, Marvell team up on Wi-Fi/CDMA platform
Kyocera Wireless Corp. has signed a strategic alliance with Marvell to develop a dual-mode Wi-Fi/CDMA handset platform.
2006-02-01 TriQuint unveils 'smallest' high power CDMA antenna switch
TriQuint Semiconductor Inc. has introduced the TQP4M3019, a high power antenna switch for CDMA applications.
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.
2005-09-29 More HELP for CDMA
Anadigics introduced a new generation of High-Efficiency-at-Low-Power (HELP) power amplifiers (PAs) for CDMA applications.
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