BlueHoc is an open source Bluetooth technology simulator. It simulates the
baseband and link layers of the Bluetooth specifications. It is capable of
simulating an ad-hoc environment with several Bluetooth devices operating in
an indoor wireless channel. It provides an extension to the 'Network simulator
(ns)' available from www.isi.edu/nsnam/ns. It uses the TCP/IP simulations of
'ns' to enable performance evaluation of TCP/IP based applications over
Bluetooth. It also provides an insight into the performance of device
discovery and paging protocols specified in the Bluetooth baseband
specifications. It provides a platform for evaluating proposals for improving
performance of Bluetooth based systems. We believe that this offering will
contribute towards advancement of short range wireless communications.
BlueHoc is IBM's new Bluetooth offering in the open-source zone. Released
under IBM public license it allows users to evaluate how Bluetooth performs
under various ad-hoc networking scenarios. The key issues addressed by the
simulator are:
Device Discovery performance of Bluetooth.
Connection Establishment and QoS negotiation.
Medium access control scheduling schemes.
Radio characteristics of Bluetooth system.
Statistical modeling of the indoor wireless channel.
Performance of TCP/IP based applications over Bluetooth.
Bluetooth operates in the license free 2.4 GHz ISM band. The Bluetooth
physical channel is defined by a sequence of hopping frequencies to which the
devices of a single network, piconet, are 'tuned' to. Devices in the same
piconet share this channel on a time division basis. BlueHoc provides an
accurate simulation of the basic features of Bluetooth baseband like frequency
hopping, device discovery and channel control.
The following Bluetooth layers have been simulated:
Bluetooth radio.
Bluetooth baseband.
Link Manager Protocol.
Logical Link Control and Adapatation Protocol (L2CAP).
BlueHoc is based on the open source simulator Network simulator(ns) and
provides a Bluetooth extension to ns. BlueHoc uses the TCP/IP simulations of
network simulator to provide a complete simulation model for Bluetooth
performance evaluation. It also provides a simulation platform for testing
performance of various routing and service disovery protocols over ad-hoc
networks.
Though the simulation model of BlueHoc closely approximates Bluetooth
protocols, it can be used as a platform to evaluate performance of proposed
improvements to the technology. BlueHoc project is open to contributions in
the form of ideas or new modules for future releases.
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Bluetooth
The official website for the Bluetooth short range wireless connectivity standard.
Category: Wireless: Bluetooth
url: www.bluetooth.com/
How Stuff Works: Bluetooth
Concise description of the Bluetooth wireless technology, including problems and interference, with related links.
Category: Wireless: Bluetooth
url: www.howstuffworks.com/bluetooth.htm
Ericsson:Mobility World:Bluetooth
Bluetooth teknolojisinin tarihi ve ayrintili bilgileri.
Category: Kablosuz Iletisim: Bluetooth
url: www1.ericsson.com.tr/mobilityworld/articles/essent....
Bluetooth Qualification
An outline of the Bluetooth(TM) qualification procedure using a Bluetooth Qualification Body (BQB). Application form is available.
Category: Electrical Engineering: Communications
url: www.radioregs.com/bluetoot.htm
Svenska Axis kopplar Bluetooth till Linux
Axis har utvecklat en Linuxdrivrutin föluetooth. Den har fri käkod, vem som helst kan anväa den i egna produkter.
Category: IDG: 2000
url: nyheter.idg.se/display.pl?ID=000220-CS3
La Tecnologia Bluetooth
Introduzione alla tecnologia che permetterà'interazione tra diversi terminali via etere. Vengono illustrati scopi e principi di funzionamento.
Category: Computer: Informatica
url: www.networkingitalia.it/umts/bluetooth1.asp
PointServers.org
News, Opinion, and Vision for ubiquitous computing & pervasive wireless, focused on "Point Servers." Covers Bluetooth, Linux, UPnP, Java, Jini, and WinCE.
Category: Data Communications: Wireless
url: pointservers.org/
