Near-field measurement of connected smart RFIC objects accounting for environmental uncertainties

In this paper, we present Near-Field measurement and analysis of radiated emissions from connected smart RFIC objects. Experimental results for the characterization of Near-Field couplings between smartphones in presence of noisy interferers (GPS device in operation) are discussed. Spectral and spatial responses of radiated emissions from coupled smartphones are extracted in TX (Transmit) and RX (Receive) modes with focus on WLAN, GSM, UMTS, LTE frequency bands. Designed diversity coupled Vivaldi antenna elements for UWB applications are used for assessing the sensitivity of Near-Field detection as function of input power levels ranging from +5dBm to -130dBm. Perspectives for using noise as carrier are envisaged.