Abstract
This demonstration shows a novel virtualization architecture, called Multi-Protocol Access Point (MPAP), which exploits the software radio technology to virtualize multiple heterogenous wireless standards on single radio hardware. The basic idea is to deploy a wide-band radio front-end to receive radio signals from all wireless standards sharing the same spectrum band, and use separate software base-bands to demodulate information stream for each wireless standard. Based on software radio, MPAP consolidates multiple wireless devices into single hardware platform, allowing them to share the common general-purpose computing resource. Different software base-bands can easily communicate and coordinate via a software coordinator and coexist better with one another. As one example, we demonstrate to use non-contiguous OFDM in 802.11g PHY to avoid the mutual interference with narrow-band ZigBee communication.
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