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WCDMA Evolved: The First Step - HSDPA
White Papers It describes the basic principles of HSDPA - High Speed Downlink Packet Access as part of the first step of WCDMA Evolved and the added value for operators and their end-users when HSDPA is implemented in a network.
[November 28, 2007, 3:24]
WCDMA Design With Simulink
White Papers Through this recording, you will be introduced to some of the key components of the WCDMA physical layer and shown how to simulate end-to-end WCDMA FDD downlink transmission using Simulink. WCDMA stands for Wideband Code Division Multiple Access.
[July 9, 2009, 3:14]
A High Average-Efficiency SiGe HBT Power Amplifier for WCDMA Handset Applications
White Papers A dynamic current biasing technique is developed to improve the average power efficiency for Wide-band Code-Division Multiple-Access (WCDMA) PAs. The linearity of a Silicon-Germanium (SiGe) HBT Power Amplifier (PA) is analyzed with the help of a...
[February 15, 2006, 0:01]
3G Standardization in a Techno-Economic Perspective
White Papers The most prominent contenders are WCDMA (also known as UMTS) and cdma2000. However, this paper concentrates on 3G technologies and specifically on the two main contenders, WCDMA and cdma2000. The main question in this paper is: Which standard...
[March 23, 2005, 2:00]
3G Coming to Ukraine
White Papers The 3G family of standards such as WCDMA or UMTS has been developed by International Telecommunication Union (ITU), and is otherwise called International Mobile Telecommunications 2000 (IMT-2000). It covers 5 smaller standards, namely: WCDMA...
[April 3, 2009, 1:22]
Generic Access Network, GAN (Former UMA)
White Papers Generic Access Network (GAN) is a technology that enables GSM and WCDMA service to be delivered over broadband access network and WLAN, at homes or in offices. GAN can be seen as complementary to GSM and WCDMA radio networks providing local area...
[March 16, 2009, 7:02]
High Speed Downlink Packet Access (HSDPA): Higher Data Rates for UMTS
White Papers High Speed Downlink Packet Access is the first step in the evolution of WCDMA (UMTS) networks. The maximum data rate to a user in present WCDMA networks achieved in ideal conditions is limited to 2MB/ s.
[March 23, 2005, 2:00]
Nokia 7600: A first look review
Reviews Based on the Symbian Series 45 platform and operating on WCDMA (Wideband Code Division Multiple Access) and GSM 900/1800 networks, it is Nokia’s second 3G phone, following the dated-looking Nokia 6650.
[February 3, 2004, 12:25]
Wideband Code Division Multiple Access
White Papers To satisfy ever-increasing demands for higher data rates, as well as to allow more users to simultaneously access the network, interest has peaked in what has come to be known as wideband code division multiple access (WCDMA).
[October 11, 2005, 3:00]
Symbian to ease app building for China Mobile
News The partners will also promote the uptake of TD-SCDMA, the 3G standard developed in China as an alternative to WCDMA and other wireless interface technology. Wood said Symbian already supports TD-SCDMA technology, which in some aspects is similar...
[September 9, 2009, 17:42]
HSDPA (High Speed Downlink Packet Access): A Simplistic View of HSDPA Architecture and Its Applications
White Papers Various methods for packet data transmission in WCDMA downlink already exist in Release'99. The three different channels in Release'99/ Release 4 WCDMA specifications that can be used for downlink packet data are: Dedicated CHannel (DCH), Downlink...
[September 1, 2006, 0:00]
IPWireless launches 3G mobile TV technology
News Based on MBMS, the Multimedia Broadcast and Multicast Standard, TDtv is designed to work alongside the current 3G WCDMA standard. You can broadcast your most popular channels saving bandwidth on your WCDMA network, while using that network to offer...
[January 18, 2006, 16:55]
Dual handsets solve CDMA puzzle
News Samsung Electronics has unveiled its as-yet unnamed dual-band phone compatible with both CDMA2000 1xEV-DO and rival standard WCDMA (Wideband CDMA), now also called 3GSM, according to Nikkei News Asia.
[October 22, 2003, 11:25]
Mobile operators embrace HSDPA
News A total of 109 mobile operators have launched WCDMA 3G networks, and the GSM Association predicted that most of them will have upgraded to HSDPA by the end of 2006. HSDPA is an enhancement to standard, third-generation WCDMA networks.
[April 10, 2006, 17:00]
Great walls can't keep out the greater world
Leader In this case, China is expected to plump for a home-grown 3G standard, TD-SCDMA, while a Chinese university in conjunction with industry has just announced a chip built for the more widespread international WCDMA system.
[January 4, 2006, 11:40]
Asia Pacific leads world on super-fast 3G
News By 2010, it is predicted that 45 percent of all WCDMA — one variant of 3G — connections will be over the super fast 3G standard HSPA: the equivalent of over 270 million subscriptions. The leap to 45 percent will be a sharp one — by the end of this...
[July 12, 2007, 7:59]
GSM group declares victory in standards war
News GSM's 3G standard, called Wideband CDMA (WCDMA), has been re-branded "3GSM". Eighty-five percent of the world's operators have committed to WCDMA as the natural progression from voice-based GSM, said Conway, with competing standards such as...
[September 25, 2003, 8:55]
China to launch home-grown 3G by Olympics?
News However, the most common incarnation of 3G in the rest of the world is WCDMA, and analysts say China's potential adoption of a national standard could hamper mobile users who visit the country. Experiences and lessons from [the WCDMA-based UMTS...
[November 6, 2006, 16:18]
Nokia pleads for flat-rate 3G licensing
News For the effort to work, Nokia would need the cooperation of the other major wCDMA patent holders. So far, 30 carriers say they intend to build wCDMA-based telephone networks, according to Nokia. NTT DoCoMo in Japan and Finnish carrier Sonera have...
[May 9, 2002, 9:27]
Energy inefficiency could kill pure cellular
News From a pure coverage perspective WiMax is twice as energy-cost-effective and metro Wi-Fi is 50 times more energy-cost-effective than WCDMA [a 3G network protocol]," said Stuart Carlaw, ABI's director of wireless research, on Thursday.
[January 12, 2007, 13:22]
