| 2009-09-17 |
LT5528 W-CDMA ACPR, AltCPR and noise measurements |
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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 |
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Fujitsu Microelectronics is shipping a 3G SAW-less multimode, multiband UMTS/ GPRS/EDGE transceiver. |
| 2009-07-29 |
Ericsson acquires Nortel LTE, CDMA assets |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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WJ Communications has announced a 4W power amp module for W-CDMA infrastructure systems. |
| 2006-12-01 |
Measuring single-tone desensitization for CDMA receivers |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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Anadigics introduced a new generation of High-Efficiency-at-Low-Power (HELP) power amplifiers (PAs) for CDMA applications. |
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