Innovative Systems Design and Engineering
Design and Improvement of HiperLAN/2 Physical Layer Model Based Multiwavelet Signals
Abstract
Currently, Wireless Local Area Networks (WLANs) supporting broadband multimedia communications are
being advanced, and standardized. HIPERLAN/2 standard is defined by ETSI BRAN. In this paper, we improve HIPERLAN/2 based Orthogonal Frequency-Division Multiplexing OFDM, Discrete Multiwavelet Transform (DMWT) performance via a MATLAB/ Simulink simulation .These systems provide channel adaptive data rates up to 54 Mb/s (in a 20 MHz channel spacing) in the 5 GHz radio band. For different channels. MATLAB/ Simulink modeling demonstrated that the performance of multiwavelet OFDM has a remarkable degradation in the packet (PDU or PSDU) error rate (PER) compared to based OFDM Fast Fourier transform (FFT) due to the considerable channel models. With DMWT-OFDM, Carrier-to-Noise Ratio (C/N) improvement compared to FFT-OFDM is achieved.
Keywords: HiperLAN/2, OFDM, DMWT, IDMWT.
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Paper submission email: ISDE@iiste.org
ISSN (Paper)2222-1727 ISSN (Online)2222-2871
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