CDMA versus TDMA
An important question when designing and standardizing cellular systems is the selection of the multiple access schemes. There are three basic principles in multiple access, FDMA (Frequency Division Multiple Access), TDMA (Time Division Multiple Access), and CDMA (Code Division Multiple Access). All three principles allow multiple users to share the same physical channel. But the two competing technologies differ in the way user sharing the common resource.
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Wireless Handheld Platforms and Devices -- Five Key Considerations
After a review of the current state of the handheld market and the user needs that are driving diversification, this document reviews the five key considerations and associated best practices IT managers should include in deciding how to implement their handheld strategy. Finally, the document discusses some of the approaches that Good Technology brings in support of these best practices.
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Bluetooth And Its Inherent Security Issues
Bluetooth technology is making a strong comeback despite much disappointment when it was first introduced in 1998. Like most newly developed defacto standards, Bluetooth was plagued by delayed rollouts, design flaws, and cost prohibitiveness.
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Bluetooth: The Global Technology?
The purpose of the paper is to familiarize you with the Bluetooth specification, its capabilities, and associated security concerns with regards to implementation.
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Brush up on Bluetooth
This paper will attempt to provide a basic understanding of what Bluetooth is and how it works. It will then describe the critical elements of Bluetooth security as well as potential security weaknesses.
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Cracks appear in Bluetooth security
Security experts in the U.K. have discovered serious flaws in some Bluetooth-enabled phones, prompting one supplier of the vulnerable phones, Nokia Corp., to recommend precautionary measures.
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Identifying the risk involved in allowing wireless, portable devices into your company
Defense in depth is a strategy strongly promoted throughout the security community, so to leave a network open at a single point of risk is a situation we all fear and work to avoid.
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Security Along the Path Through GPRS Towards 3G Mobile Telephone Network Data Services
This paper examines the technology and infrastructure that supports GPRS in a telecommunications environment, and looks at GPRS security consideration including GPRS network security and potential security threats.
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The Internet in the Palm of Your Hand
3G is positioned to radically transform the Internet paradigm from a static, PC-centric model into a mobile Internet. Imagine commuting home from work on a train while conducting a broadband videoconference.
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Wireless Network Security 802.11, Bluetooth and Handheld Devices
The document addresses two wireless technologies that government agencies are most likely to employ: wireless local area networks (WLAN) and ad hoc or(more specifically) Bluetooth networks.
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