Low Power Blind Adaptive Equalizer with Word Length Optimization Algorithm

Provided by: International Journal of Computer Applications
Topic: Hardware
Format: PDF
Low power VLSI is a promising area for developing advanced wireless communication systems. The optimum word length selection for each signal in algorithm is crucial for low power design. This paper proposes a scheme for Word Length Optimization (WLO) using system level parameters such as dynamic range and SNR. The blind adaptive equalizer for channel equalization is optimized with the proposed technique for fixed point implementation in VHDL. Simulation is carried out in MATLAB and also VHDL. Considering IEEE 802.16 wireless broadband network and DSL cable modem standards, the results are validated for Energy per symbol to Noise density (Es/No) values 8dB and 12dB.

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