Superposition Coding for Downlink Underwater Acoustic OFDM
Abstract
Superposition coding (SC) is a nonorthogonal scheme for downlink communications, in which all users are allowed to use the full degrees of freedom of the channel and successive interference cancellation (SIC) is adopted for user decoding. Combining SC with orthogonal frequency-division multiplexing (OFDM) modulation, the optimal resource allocation depends on the perfect channel state information (CSI) of all users at the transmitter, which is...
Paper Details
Title
Superposition Coding for Downlink Underwater Acoustic OFDM
Published Date
Jan 1, 2016
Pages
1 - 13
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