This paper looks at a novel measurement device for propagation channel measurements using a fiber optic link. Although the idea of using optical links is not new, most of the developments in the area are either too big , short range  or suitable for anechoic chamber only . The device presented here is specifically designed to fit in a very small volume and is optimized for low power consumption (runs on small battery), thus imitating the phone electronics. It can be used for anechoic chamber measurements, however it is designed for long range channel sounding measurements.
Antennas and Propagation Society International Symposium, 2010
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Antennas and Propagation Society International Symposium, 2010. APSURSI '10