... November 2001 [6] A Dammann, “On the in uence of cyclic delay diversity and Doppler diversity on the channel characteristics in OFDM systems,” in Proceedings of IEEE International Conference on Communications ... Scottland, June 2007 [7] K.-B Png, X Peng, and F Chin, Performance studies of a multi-band OFDM system using a simplified LDPC code,” in Proceedings of the International Workshop on Ultra-Wideband ... outage probability of UWB-OFDM system with jointly encoding across two subcarriers At outage probability of 10−2 , CDD obtains about 6.3 dB gain and 2.3 dB gain on the CM1 and CM4 channels, respectively...