Abstract
Ultra Wideband (UWB) systems transmit signals across a much wider frequency than conventional systems and are usually very difficult to detect. Due to the extremely low emission levels currently allowed by regulatory agencies, UWB systems tend to be useful for short-range and indoor applications. However, due to the short duration of the UWB pulses, it is easier to engineer extremely high data rates. Conventional Orthogonal Frequency Division Multiplexing (OFDM) technology is used subject to the minimum bandwidth requirement of the regulations. By turning to Multiband OFDM (MB-OFDM) architecture, designers gain the flexibility, power consumption, high spectral efficiency and costs needed to make UWB come to life. A packet-level UWB channel model is incorporated in MB-OFDM system and the performance of the link is determined on the basis of link throughput and delay in servicing the packets.
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