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This poster presents a hardware/software solution, called On-The-Go Switch (OTGS), enabling a smartphone to control the connection state of a USB-attached device. Through an example, we show how OTGS can reduce the energy consumption of portable spectrum sensing platform utilizing low-cost Software Defined Radio. We show that OTGS can reduce the energy consumption by 47%, compared to a baseline, which...
We present a cross-layer analysis of multi-stage spectrum sensing protocols used in multi-channel Opportunistic Spectrum Access (OSA) communication. By developing a novel analytical tool, we are able to assess the energy consumed by OSA communication. Furthermore, we present the relationship between the energy consumption of the multi-stage spectrum sensing protocol, the average throughput of OSA...
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