... εs), and (3) a unit transmission power for all the users.2.1. Signal structureWe d efine a(s)k(t, f )andb(s)k(t) as the hopping pattern and the baseband signal, respectively, where t and ... 1436–1440,Milan, Italy, May 2004.E. Inaty and R. Ayoubi 9[11] E. Inaty and R. Ayoubi, “FPGA-based transmitter-receiverarchitecture of an overlapped CDMA system: design and sim-ulation,” in Proceedings ... International Symposiumon Circuits and Systems (ISCAS ’06), pp. 2797–2800, Kosisland, Greece, May 2006.[12] T. Rappaport, Wireless Communications, Principles and Prac-tice, Prentice Hall PTR,...