Tuesday, February 7, 2012

Paper Reading #3: High capacity hotspots based on bluetooth technology

Dunlop, J. and Amanquah, N. "High capacity hotspots based on bluetooth technology". IEE Proceedings - Communications. Oct2005. Vol. 152 Issue 5, p521-527.

The paper set out to show how multiple devices could connect and transfer data all through a bluetooth base station which provides fairly high data rates while using low power consumption and is cost effective. 

The problems associated with using bluetooth for this type of hotspot are the number of connections allowed, scaling in throughput, and interference. 

The paper discusses how piconets and scatternets are created through bluetooth's use of master/slave mesh networks.

The method of co-located bluetooth access point is meant to eliminate interference among devices and increase throughput of all devices.  In this method, a bluetooth hotspot is created by multiple bluetooth devices are set up as an access point and the frequency hopping of the devices is synchronized. 

It was found that this method significantly reduced interference between devices and that it does seem feasible to have a bluetooth access point for devices rather than all of the act independently.

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