S.Yamini , K.Kavitha
In Long Term Evolution-Advanced (LTE-A) systems the Inter Block Interference(IBI) disrupts the flow of signal from source to destination either in uplink or downlink channels. To mitigate the inter block interference and to increase the performance, two transmission antennas are used and layer mapping and precoding process are involved. In this paper the Tomlinson-Harashima precoding (THP) procedure is proposed to null the Inter Block Interference(IBI) in the LTE-A system of transmits antennas (nt) and receive antennas (nr) with insufficient cyclic prefix(CP). The proposed scheme can eliminate the IBI with higher bandwidth efficiency. Experimental results are presented to illustrate the performance of the proposed method, demonstrating clearly superior performance of the new technique in term of the BER.
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