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- World's first commercial WCDMA 3G network launched
- Elisa, the Finnish network operator, has activated the world's first commercial 3G WCDMA network operating at 900 MHz. An excerpt from iTWire: Nokia Siemens Networks said "Elisa is the first in the world to launch a commercial WCDMA 900 MHz network, improving the efficiency of its...
- Tags: W-CDMA, Data Service, Nokia Corp., Network, Elisa, Cellular Phones, Networking, Consumer Electronics, Personal Technology, Arun Radhakrishnan
- Blog posts 2007-11-11
- WCDMA vs UMTS
- i want to know that is there any difference B/W UMTS and WCDMA or are these terms inter changable.
- Tags: malik.tariq.sami@..., 3g mobile communication, off-topic, UMTS, W-CDMA
- Discussion threads 2007-02-22
- WAP with GPRS and WCDMA
- Hello allI have a question that I looking forward to somebody answering me, is the WAP going to disappear with the (GPRS 2.5) and (WCDMA 3) generations? If the answer is no, so how does it work with these technologies? And there is any enhancement with WAP in these technologies?ThanksWalidFrom...
- Tags: alashhar@..., GPRS, networking, W-CDMA, WAP, wireless, wireless application
- Q&A 2005-06-02
- Reliable W-CDMA Network Design
- This paper investigates the W-CDMA network design problem with reliability considerations. A design model that maximizes revenue net the cost of building and maintaining the network infrastructure to provide reliable communication subject to capacity and quality of service constraints is developed. The model simultaneously determines which customer locations to service,...
- Tags: W-CDMA, Southern Methodist University, PSTN, VOIP, Cellular Phones, Telecommunications, Networking, Consumer Electronics, Personal Technology
- White papers 2005-05-18
- A High Average-Efficiency SiGe HBT Power Amplifier for WCDMA Handset Applications
- The linearity of a Silicon-Germanium SiGe HBT Power Amplifier PA is analyzed with the help of a power-dependent coefficient Volterra technique. The effect of emitter inductance is included and the dominant sources of nonlinearity are identified. A dynamic current biasing technique is developed to improve the average power efficiency for...
- Tags: W-CDMA, Technique, IEEE, Productivity, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2005-02-01
- On MIMO Signal Processing for Adaptive W-CDMA and OFDM Wireless Transceivers
- This paper considers wideband extensions of narrowband signal processing techniques for MIMO wireless transceivers. The extensions are applied and analyzed on commonly used wideband systems such as W-CDMA and OFDM. The paper focuses on signal processing techniques for channel estimation and correction, including pilot-aided and decision-directed LMS-based adaptive estimation. Simulation...
- Tags: W-CDMA, Signal Processing, MIMO, OFDM, Cellular Phones, Wireless, Consumer Electronics, Personal Technology
- White papers 2004-12-23
- High Speed Downlink Packet Access (HSDPA): Higher Data Rates for UMTS
- High Speed Downlink Packet Access is the first step in the evolution of WCDMA UMTS networks. The second step will be to enhance the uplink data rates, improved uplink capacity and reduced uplink delay. The maximum data rate to a user in present WCDMA networks achieved in ideal conditions is...
- Tags: W-CDMA, UMTS, HSDPA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2004-12-03
- RAKE Receiver
- RAKE receiver is used in CDMA-based Code Division Multiple Access systems and can combine multipath components, which are time-delayed versions of the original signal transmission. Combining is done in order to improve the signal to noise ration at the receiver. RAKE receiver attempts to collect the time-shifted versions of the...
- Tags: W-CDMA, TeliaSonera, CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2004-12-07
- 3G Standardization in a Techno-Economic Perspective
- The main question in this paper is: Which standard/technology will win the 3G mobile market? The most prominent contenders are WCDMA also known as UMTS and cdma2000. In addition, EDGE will also play a role as will presumably the Chinese TDSCDMA standard1. Furthermore, other kinds of wireless solutions such as...
- Tags: W-CDMA, Mobile, Denmark, Standardization, 3G, Cellular Phones, Wireless, Advertising & Promotion, Consumer Electronics, Personal Technology, Marketing
- White papers 2004-09-20
- WCDMA Evolved: The First Step - HSDPA
- This white paper is primarily intended for mobile operators and telecommunications journalists and analysts. 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...
- Tags: W-CDMA, HSDPA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2004-05-01
- W-CDMA v. CDMA2000
- This white paper compares two methods, W-CDMA (Wideband-CDMA) and CDMA2000. Wideband-CDMA (W-CDMA), the transmission technology for third generation (3G) UMTS mobile communication, can be implemented by migrating via GPRS and EDGE on the 2G network infrastructure of the GSM standard that is used in Europe and worldwide. W-CDMA allows transmission...
- Tags: W-CDMA, Mobile, Mobile Communication, CDMA2000, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2003-04-14
- EDGE- Introduction of High Speed Data in GSM/GPRS Networks
- This white paper is intended for global system for mobile communications GSM operators interested in understanding Ericsson's view on how enhanced data for global evolution EDGE can play an important role in the evolution toward wideband code division multiple access WCDMA.
- Tags: W-CDMA, Network, GPRS, EDGE, Ericsson Inc., GSM, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2003-03-01
- Introduction of High-Speed Data in GSM/GPRS Networks
- The purpose of this white paper is to describe EDGE technology and how it leverages existing GSM systems and complements WCDMA for further growth. The benefits described here are based on Ericsson's vision of one seamless network for GSM and WCDMA. The white paper is based on Ericsson's current experience...
- Tags: W-CDMA, Network, GPRS, White Paper, Ericsson Inc., GSM, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2002-04-23
- Using the TEMS Portfolio for TDMA, GSM, & WCDMA Radio Network Design
- This document describes how tools within the TEMS portfolio can ease the work of designing a mobile radio network. It walks through related activities within Network Design, including Initial Network Analysis and Planning, Radio Network Design, and Expansion. The document gives an overview of how TEMS products can ease your...
- Tags: W-CDMA, Mobile Network, Mobile, Network, TDMA, Radio, Operator, GSM, Radio Design, Advertising & Promotion, Cellular Phones, Wireless, Networking, Marketing, Consumer Electronics, Personal Technology
- White papers 2002-02-13
- Basic Concepts of WCDMA Radio Access Network
- There has been a tremendous growth in wireless communication technology over the past decade. The significant increase in subscribers and traffic, new bandwidth consuming applications such as gaming, music down loading and video streaming will place new demands on capacity. The answer to the capacity demand is the provision of...
- Tags: W-CDMA, Microsoft Access, Wireless Communication, Ericsson Inc., Wi-Fi, Cellular Phones, Wireless, Consumer Electronics, Personal Technology
- White papers 2001-01-15
- Wideband Code Division Multiple Access
- 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. This paper discusses those basic characteristics of WCDMA waveforms that make them attractive...
- Tags: W-CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers 2000-08-01
- WCDMA Design With Simulink
- 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. It will allow multiple and simultaneous communications such as voice, images, data,...
- Tags: W-CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- Webcasts
- PA's Patent Evaluation Skills Help Siemens Strengthen Its Essential IPR Portfolio in WCDMA and WiMAX
- Siemens has an extensive portfolio of Intellectual Property IP covering a wide range of communications technologies. To optimise licensing revenues, Siemens' licensing division needs to understand which patents are essential to which communications standards. Siemens turned to PA for help. Initially for WCDMA, and subsequently for cdma2000 and WiMAX, PA...
- Tags: W-CDMA, Siemens AG, PA, WiMAX, Cellular Phones, Wi-Fi, Wireless, Consumer Electronics, Personal Technology
- Case studies
- OSE Case Study: Ericsson Radio Systems
- When Ericsson embarked on the task of building a third generation communication system for wireless applications, the company opted to support WCDMA Wideband Code Division Multiple Access for the Universal Mobile Telecommunications System UMTS. The culmination of years of research, Ericsson's WCDMA system is built to last long into the...
- Tags: W-CDMA, Radio, Ericsson Inc., OSE RTOS, Cellular Phones, Consumer Electronics, Personal Technology
- Case studies
- Wideband Code Division Multiple Access (W–CDMA)
- Wideband code division multiple access (W–CDMA) is a CDMA channel that is four times wider than the current channels that are typically used in 2G networks in North America.European Telecommunications Standards Institute ETSI decided to choose the W–CDMA technology to be the multiple access techniques for the third-generation mobile telephone...
- Tags: W-CDMA, Mobile, CDMA, Cellular Phones, Consumer Electronics, Personal Technology
- White papers
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