Time-varying power line block transmission models over doubly selective channels
作者： Tae-Sung Sung , Anna Scaglione , Stefano Galli
DOI: 10.1109/ISPLC.2008.4510422
关键词:
摘要: The determination of the transfer function power line channel is a non-trivial task since it depends on several (often unknown) variables: topology network, cable parameters, wiring and grounding practices, impedance attached appliances, etc. may vary abruptly when changes, devices are plugged in or out, switched off. Moreover, can be time-varying even if network loads to do not undergo abrupt changes. In fact, due appliances that connected outlets often exhibit an input instantaneous amplitude mains voltage which, turn, causes periodically response. We propose here discrete block model time domain captures cyclostationary nature Our naturally allows for more realistic evaluation modulation coding strategies as well design bit loading resilient peculiar type distortion encountered this harsh medium.
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