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Quality of Service White Papers

Improving the QoS of Bluetooth Through Turbo Coding

Overview Bluetooth has emerged as a viable COTS alternative for military applications involving low power wireless networks, including wireless sensor networks and personal area networks for the foot soldier. However, the reachability of Bluetooth networks is limited by the weak error control coding used by the predefined packets. This paper proposes a method for improving the performance of Bluetooth by using custom error control coding in general, and turbo codes in particular.

Further White Paper Details
Publisher	West Virginia University	File Format	PDF
Date Published	March 2002	Downloads	3
Format	White Papers
Topics	Quality of Service, Bluetooth

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French military clears path to Bluetooth

France's military services are to change radio frequencies to make way for Bluetooth wireless technology, six months later than much of the rest of Europe. The Bluetooth protocol, pioneered by Ericsson, IBM, Intel, Nokia and Toshiba, will be...

Channel:
Desktops

Wi-Fi gets a sense of direction

The scientists, led by Professor Roger Green, assert that the device is 100 times more efficient at gathering in a signal than any previous optical sensor of this kind. Both Wi-Fi and Bluetooth, another wireless standard, use the 2.4GHz band, which...

Channel:
Mobile & Wireless

Bluetooth shatters milestone

The specification also uses new error-detection methods to improve the quality of voice connections, which is important for Bluetooth headsets. Frequency hopping allows Bluetooth to find parts of the spectrum not being used by other devices...

Microsoft: SP2 download flaw is social engineering

On Monday, French website K-otik published exploit codes that could take advantage of the same vulnerability. I wonder how solid Microsoft's coding would become if strategic governments around the world removed the liability shield that software...

BT set to launch Bluephone

If you look forward five years, only a relatively small number of mobile phones will be able to do this but it'll be a viable market in its own right. The aim of Bluephone, which will be launched next Wednesday, is to provide consumers with a...

Channel:
VoIP
Tags:
bluephone,
voip,
bt

Word up! Explore the lexicon of tech

Blue screen, blue screen of death (BSOD) - A terminal system error, named after the blue-coloured screen displayed by poorly Windows PCs e.g. Bluebugging - Hacking a Bluetooth-enabled device to gain access to mobile phone commands without the...

Channel:
IT Pro
Tags:
lexicon,
neologisms

Virtualisation: Architectual Considerations and other Evaluation Criteria

In the past several years, server virtualisation technology has moved quickly and firmly into the IT mainstream. Of the many approaches to system virtualisation available in the market today, VMware's hypervisor architecture has gained the greatest market acceptance. This paper examines the architectural issues, solution support, and enterprise readiness required when deploying such a virtualisation solution.

Publisher:
EMC

Getting Started with Master Data Management

Master data management forms part of an overall enterprise governance program that aims to establish trusted data throughout the enterprise. This white paper from Mike Ferguson of Intelligent Business Strategies defines master data, examines why it is needed, and explores methodologies for implementing master data management.

Publisher:
DataFlux

Optimising Storage with Global File Virtualisation

This white paper will provide an overview on how Rainfinity Global File Virtualisation virtualises unstructured data environments and moves data -including active, open files-without disruption to users or applications. Rainfinity is the only enterprise-class file virtualisation solution, and delivers complete NAS optimisation across geterogeneous environments, such as NAS, CAS, and file servers.

Publisher:
EMC

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