Semicoherent Ppm For Wideband Communications

2004 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS（2004）

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摘要

We quantify the impact of coherence on pulse position modulation (PPM) over wideband fading channels by computing achievable rates and an upper bound on uncoded symbol error probability. We study the influence of channel estimation accuracy on the optimum diversity order and furthermore find that a near-optimum receiver typically needs to estimate a few channel taps only.

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关键词

bandwidth,pulse position modulation,frequency,broadband networks,ppm,upper bound,error probability,fading channel,fading,pulse modulation

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