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Performance Improvement of Wireless Communications Using Frequency Hopping Spread Spectrum

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DOI: 10.4236/ijcns.2010.310108    7,251 Downloads   14,190 Views   Citations

ABSTRACT

To improve the performance of short-range wireless communications, channel quality must be improved by avoiding interference and multi-path fading. Frequency hopping spread spectrum(FHSS) is a transmission technique where the carrier hops from frequency to frequency. For frequency hopping a mechanism must be designed so that the data can be transmitted in a clear channel and avoid congested channels. Adaptive frequency hopping is a system which is used to improve immunity toward frequency interference by avoiding using congested frequency channels in hopping sequence. In this paper mathematical modelling is used to simulate and analyze the performance improvement by using FHSS with popular modulation schemes, and also the hopping channel situations are investigated.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

N. Motlagh, "Performance Improvement of Wireless Communications Using Frequency Hopping Spread Spectrum," International Journal of Communications, Network and System Sciences, Vol. 3 No. 10, 2010, pp. 805-810. doi: 10.4236/ijcns.2010.310108.

References

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