System and method for providing a wireless/power-line diversity communications channel
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United States of America Patent
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Oct 14, 2014
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May 20, 2011
filing date -
May 21, 2010
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Abstract
A system and method is presented where a low-IF architecture can be used to allow existing wireless standards to be used for joint wireless/power-line channel transmission in the provision of diversity communications channels. Diversity combining of wireless and power-line channels can be employed, wherein the input noise to the maximum-likelihood detector can be Class A-distributed. For uncoded BPSK, the BER can be a function of PLC impulsiveness and can improve wireless-only BER by orders of magnitude when PLC SNR >10 dB. The error performance can be equivalent to BER of the static PLC channel for low wireless SNR and can improve with a slope of −1 at high wireless SNRs. The inflection point between these two regions can occur at approximately 0 dB when PLC noise is Gaussian, and increases above 20 dB as the noise becomes more impulsive.
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