cellular systems
Open source hack could make mobiles vulnerable to prying ears
News He hopes that by doing this it will spur cellular providers into improving the security of their services and fix a weakness that has been around for 15 years and affects about three billion mobile users. [26 Aug 2009]
Next Generation 9-1-1 for the PSAP: How to Plan for and Choose the Correct NG9-1-1 Enabled System
White Paper The existing 9-1-1 system was designed for fixed location wireline phones, and has been stretched and patched over the last 10 years to be able to accept and locate wireless calls from cellular phones. [15 Aug 2009]
2020: When the world and its toothbrush gets online
News Fifty billion connected devices are coming to cellular networks in the next decade, according to Ericsson - as everyday objects go mobile. Ericsson's VP of systems architecture, Håkan Djuphammar,... [29 Jun 2009]
Motivation for RF Integration
White Paper Proliferation of applications such as cellular communication, navigation systems, personal and local wireless networks, and wireless audio/video links will help drive revenue for the entire semiconductor... [11 Jun 2009]
Integrating SDH and ATM in UMTS (3G) Access Networks
White Paper The deployment of cellular UMTS (Universal Mobile Telecommunications Systems, better known as 3G) is one of the most difficult challenges facing today's service providers network planning experts. They... [29 May 2009]
Do More With Less: Wireless - Economical Ways to Make Your Network Connect More
White Paper A job placement agency wanted to merge its cellular and office phone systems to get calls and messages to mobile employees faster. A winery needed to automate its inventory process. A warehouse... [11 May 2009]
Empower Sales Professionals With Mobile Sales Force Automation
White Paper The increasing ubiquity of Wi-Fi hotspots and high-speed cellular networks, in part, has made these road warriors depend on real-time access to email, calendars and other corporate information systems. [01 May 2009]
Avaya Case Study: CSX
White Paper CSX turned to Avaya and DiVitas, an Avaya DevConnect partner, to help the freight-rail giant reduce cellular calling costs and eliminate multiple handsets used by train operations personnel who roam the workplace and... [23 Apr 2009]
Dimensioning Cellular WiMAX Part I: Singlehop Networks
White Paper Even more promising is WiMAX deployed as a cellular network that offers ubiquitous broadband services over large geographic regions to mobile subscribers. This paper discusses an analytical approach to dimension... [23 Apr 2009]
Overcoming the Challenges of WiMAX Deployment in 700MHz Band
White Paper Since WiMAX technology was born into a tough world where competing alternatives such as ADSL, fiber and high speed cellular technologies already exist, WiMAX needs to have a significant advantage over these incumbent... [23 Apr 2009]
Using XSIC Technology in Fixed WiMAX Networks for Improved Network Economics and User Experience
White Paper Fixed WiMAX networks are usually deployed as an alternative to ADSL, fiber or high speed cellular technologies. The WiMAX forum proposes two main techniques for enhancing spectral efficiency: using aggressive reuse... [23 Apr 2009]
System Level Performance of Cellular WiMAX IEEE 802.16 With SDMA-Enhanced Medium Access
White Paper This paper investigates the potential of smart antenna beamforming and Space Division Multiple Access (SDMA) in the context of a cellular IEEE 802.16 deployment. Recent years have witnessed an ever-increasing interest in... [22 Apr 2009]
Performance Analysis of Multiantenna WiMAX Systems Over Frequency-Selective Fading Channels
White Paper Simulation results corroborate the proposed analysis for a IEEE 802.16-2004 cellular system over different propagation scenarios. A multicell WiMax system which supports Orthogonal Frequency Division Multiplexing (OFDM)... [22 Apr 2009]
Transition to Ethernet at Your Own Pace
White Paper The newest generation of cellular systems is about to change the way one communicates forever. Even within a single cellular network, individual sites may have different requirements and... [02 Apr 2009]
WLAN Cellular Interworking
White Paper Read further to understand about the Pandora’s box that WLAN has opened for cellular, and of the solutions available to mobile operators to deal with the situation. Why do market-savvy and street-smart firms add WLAN... [01 Apr 2009]