Performance of Walsh-HadamardPrecoding for open loop diversity mode in LTE

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Anjana K , Dr.SayedAbdulhayan


LTE technology utilizes pre-coding technique at the transmitter to send channel based data preprocessinginformation to simplify the complexity of the receiver. Precoded data of downlink is transmitted using Orthogonal Frequency Division Multiplexing(OFDM) from base station to the Mobile Users. Precoding is done in frequency domain along with some transforms to reduce problems of OFDM. This paper investigates performance of precoding for TM3 mode of LTE with Walsh-Hadamard transform. The graphical results show the relation between SNR and BER for 16QAM modulation scheme with N=512..

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