... Niranjayan, A Nallanathan and B Kannan, Modeling of Multiple Access Interference and BER Derivation for TH and DS UWB Multiple Access Systems , IEEE Transactions on Wireless communications, Aug ... Schemes”, Proc of Joint UWBST and IWUWBS 2004, May 2004 [3] S Niranjayan, A Nallanathan and B Kannan, A New Analytical Method for Exact Bit Error Rate Computation of TH-PPM UWB Multiple Access Systems , ... Of PIMRC 2004, September 2004 [4] S Niranjayan, A Nallanathan and B Kannan, Exact Modeling of Multiple Access Interference and BER Derivation for TH-PPM UWB , WCNC 2005, Accepted for publication...