Performance Analysis of Two Hops Amplify and Forward Relay Based System for Ofdm and Single Carrier Communications
نویسندگان
چکیده
This paper analyses the bit error rate (BER) and capacity behaviour of orthogonal frequency division multiplexing (OFDM) and cyclic prefix based single carrier (CP-SC) systems using amplify and forward relay (AF) with two hops wireless channel type 1 ( Rayleigh-AF-UWB) and channel type 2 (Exponentially decaying multipath-AF-UWB). We consider Saleh-Venezuela [SV] channels-CM1, CM2, CM3 and CM4 for UWB standard. Our analysis show that BER performance is better in CP-SC system than OFDM system and CM1 UWB shows the best BER performance among other SV channel standards in our compound environment. On the other hand, OFDM system shows better capacity performance than CP-SC system and again CM1 UWB shows best performance. We also investigate the case that transmitter is located at indoor and therefore we check the BER, capacity performance, and find poor performance than transmitter located at outdoor.
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