Design and Development of HiperLAN/2 WLANs Based Multiwavelet Signals using Adaptive Antennas Algorithm

Mohammed Aboud Kadhim, Hamood Shehab Hamid, Alhamzah Taher Mohammed


In this paper a simple adaptive antenna idea, consisting of multiple independent omni directional receiver antennas and the ZF (Zero Forcing) algorithm for the adaptive signal processing, is applied to the HiperLAN/2 WLANs based Orthogonal Frequency-Division Multiplexing OFDM, Discrete Multiwavelet Transform (DMWT) and its performance is evaluated at link level. MATLAB modeling demonstrated that the performance with adaptive receiver antennas has a remarkable degradation in the packet (PDU or PSDU) error rate (PER) compared to without using adaptive receiver antennas due to the considerable channel models. With adaptive receiver antennas, Carrier-to-Noise Ratio (C/N) improvement compared to without using adaptive receiver antennas is achieved. The performance of the system can more improve by increasing the number of antennas at receiver.

Keywords: Network, HiperLAN/2, Adaptive, OFDM, DMWT, IDMWT.

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ISSN (Paper)2224-610X ISSN (Online)2225-0603

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