Performance of OFDM IDMA system for Femtocell network

In this paper we have analyzed the performance of OFDM_IDMA system by using random interleaver and Femtocell network. We give detailed system model and the transceiver structure of the proposed scheme. The interleavers are the separating the users one from another. The proposed random interleaver is randomizing the burst error so the BER is less. By grouping the users into macro users and Femtocell users the proposed scheme is achieving better performance while at the same time maintaining the lower complexity at the user terminal. We evaluate the performance of the proposed scheme in terms of spectral efficiency and bit error rate (BER).