Performance of fast frequency hopped noncoherent MESK witha fixed hop rate under worst case jamming |
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Authors: | Wang Q Gulliver TA Bhargava VK Felstead EB |
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Affiliation: | Dept. of Electr. & Comput. Eng., Victoria Univ., BC; |
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Abstract: | The performance of fast-frequency-hopped M-ary frequency-shift keying with a fixed hop rate is evaluated, utilizing the Chernoff union bound method. The performance criterion used is a throughput measure i.e., an information rate sustained by a system for a given bit error rate, normalized by the hop rate. Both uncoded and coded systems are considered. It is shown using the cutoff rate argument that coding can provide a few dB gain in throughput. This is confirmed by the performance evaluation of various convolutional and block codes. Both partial-band noise jamming and multitone jamming with one tone per M -ary band are considered. Jamming parameters are assumed to be the worst case against the coding channel. Determination of the optimum M is also addressed |
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