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A new wide-band direct conversion receiver based on Five-port structure is presented that is very suitable for software radio applications. New five-port structure consists of five wideband power splitters and a 900 phase shifter, including a set of composite right/left-handed (CRLH) transmission line (TL) sections. As an example the transceiver is designed for covering three WiMAX frequency bands,...
An analytical assessment for multiport structures as direct conversion receivers is presented. A new direct-conversion receiver based on a novel five-port structure suitable for software-defined radio applications is proposed. The five-port architecture provides some advantages compared with previous architectures. Numerical and microwave simulations have been conducted to show its capabilities as...
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