Thursday, April 12, 2012

WiFi and Bluetooth fight for bandwidth

This paper looks into the conflict that arises for bandwidth for both wifi and bluetooth. Although it is not a huge issue due to the fact that wifi is more predominantly used compared bluetooth at the moment the whole system can be improved upon to accommodate both bandwidth in a more sensible fashion. Currently the bluetooth and wifi share a frequency band that is too close so they tend to interfere. Since the market is push both blue tooth and wifi to be in most handheld instruments it is possible that in the future this pressure would be more apparent. 

Some of the solutions given in this article includes switching between the two radio devices to prevent one from functioning when the other is transmitting (sync them). This would reduce the problem significantly but it is difficult to do so on the hardware level due to the lack of standardization of the products. Another solution that was offered was the usage of a alternating wireless media access. This would create partitions where one segment would be dedicated to bluetooth while the other segment is dedicated to WLAN. This would prevent the disruptions between the two.   

The paper in the overall sense proposal several different methods to prevent the clash from happening and the previous paragraph represented the main solution created by the authors.

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