| 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 incumbentCDMA 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 onCDMA 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. |
| 2008-07-31 |
Affordable wireless access heads to Indonesia |
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Grameen Foundation, Bakrie Telecom and Qualcomm Inc., through its Wireless Reach initiative, have launched the first Village Phone Program in Indonesia, branded as Uber ESIA, using 3GCDMA technology to provide affordable wireless telecommunications services for rural communities |
| 2008-07-25 |
RF tool adds 5.7Mbit/s HSUPA data analysis |
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Agilent Technologies Inc. has announced a new 5.7Mbit/s HSUPA test capability for its W-CDMA/HSPA Test and Lab Applications, which run on the 8960 (E5515C) Wireless Communications Test Set |
| 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 forCDMA, A-GPS test |
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MTNet, theCDMA 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 |
| 2008-06-04 |
Telecom partnership embarks on new chapter |
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ACDMA-TD-SCDMA video call marked the telecom partnership between South Korea and China |
| 2008-06-02 |
China's ZTE scores new 3G contract in Europe |
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Romania mobile operator Zapp has selected ZTE Corp. to roll out a W-CDMA/HSDPA commercial network |
| 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 3GCDMA 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 meetsCDMA 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 newCDMA 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 |
| 2008-04-11 |
Qualcomm launches wireless data services in Vietnam |
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Qualcomm has partnered with Vietnamese operator S-Fone to launch BREW services on S-Fone'sCDMA network |
| 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 enablesCDMA operators to quickly and cost-effectively upgrade the DO broadband data capacity |
| 2008-03-31 |
Nokia Siemens nabs net expansion deal in Indonesia |
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Nokia Siemens Networks has signed a contract with Hutchison Telecom Indonesia to strengthen the latter's GSM/W-CDMA network coverage in the islands of Java and Sumatra, and roll out GSM core networks in Kalimantan and Sulawesi |
| 2008-03-03 |
A simple method to reduce DC power consumption inCDMA 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 inCDMA RF power amplifiers |
| 2008-02-26 |
Huawei deploys All-IPCDMA network in India |
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Huawei Technologies Co. Ltd announced that its All-IPCDMA 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. |
| 2008-02-06 |
RF modules target handsets in emerging markets |
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Two RF modules aimed at low-cost GSM andCDMA handsets in emerging markets have been released by TriQuint Semiconductor |
| 2008-02-04 |
Enhanced signal generators deal withCDMA 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 theCDMA 1xEV-DO standard |
| 2008-01-16 |
PCS duplexer ups receiver sensitivity |
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Avago Technologies has released its fourth generation PCS duplexer, the ACMD-7403, which is designed forCDMA and UMTS mobile phone, data card, modem and femtocell apps |
| 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 onCDMA, GSM M2M modules |
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Kyocera Wireless and Siemens have announced a formal sales and business development relationship to cooperatively provideCDMA 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 |
| 2007-10-08 |
Pentaband antenna handles all cellular bands |
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Pulse has introduced a multihybrid, pentaband internal cellular band antenna that combines 4-band GSM and W-CDMA 2100 to receive and transmit signals in all cellular bands |
| 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 3GCDMA 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-bandCDMA 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 |
| 2007-08-01 |
One-box RF tester handles HSPA measurements |
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Agilent has launched the 7.2/2Mbps HSPA IP data connection and HSUPA RF measurement capabilities for its Wireless Communications Test Set running the Special High Data Rate W-CDMA/HSDPA Lab Application |
| 2007-07-18 |
China MII releases 3G videophone standard |
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China's Ministry of Information Industry (MII) has issued an industry standard for 3G videophone services, which involves both TD-SCDMA and W-CDMA |
| 2007-07-16 |
3G LSI chip combines advanced low-power techs |
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NEC Electronics' M2 system LSI chip integrates 3G to 3.5G W-CDMA and HSDPA communications technologies with advanced low power technologies optimized for mobile handsets |
| 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 |
| 2007-06-28 |
Dual-baseband phone calls multiple standards |
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The LG SH-100 is a multitasking handset that can operate on an array of networking standards, including W-CDMA, EGPRS, CDMA2000 1x and 1x EV-DO while featuring a data rate of 1.8Mps |
| 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-savingCDMA power amps |
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Anadigics introduced the ZeroIC line ofCDMA 1X and 1XEVDO power amplifiers designed to cut average current consumption by up to 50 percent |
| 2007-03-20 |
WEDGE transmit modules streamline 3G design |
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Anadigics has launched a new family of multichip front-end modules that promises to help streamline 3G designs by providing a complete transmit chain for W-CDMA/EDGE mobile handsets |
| 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 |
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