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Overview:

The evaluation is performed in the attempt to improve link availability and transmission quality of BWA (Broadband Wireless Access) systems, and to achieve an efficient use of radio resources. The paper has analysed and compared the physical and link layer performance for two common standards: the IEEE 802.16 WMAN-SC and the IEEE 802.11 (a, b, g) WLAN. The paper contains a performance comparison of 802.16 and 802.11g in terms of (a) the effect of the number of nodes and of the packet length, (b) the influence of adaptive modulation, and (c) the influence of mobility. The limitations of the 802.11a PHY are also extracted from simulations, and the BER performance of the 802.16 FEC block is simulated and discussed.

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Format:PDFSize:208 KB
Date:Nov 2008
Pages:6

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