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dc.contributor.authorPadala S.K.
dc.contributor.authorD'Souza J.
dc.date.accessioned2021-05-05T10:16:10Z-
dc.date.available2021-05-05T10:16:10Z-
dc.date.issued2020
dc.identifier.citation26th National Conference on Communications, NCC 2020 , Vol. , , p. -en_US
dc.identifier.urihttps://doi.org/10.1109/NCC48643.2020.9056068
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/15000-
dc.description.abstractUnderwater acoustic (UWA) channel is complex because of its multipath environment, Doppler shift and rapidly changing characteristics. Many of the UWA communication- based applications demand high data rates and reliable communication. The orthogonal frequency division multiplexing (OFDM) system is very effective in UWA channels and provides high data rate with low equalization complexity. It is a challenging task to achieve reliability over these channels. The low-density parity-check (LDPC) codes give a better error performance than turbo codes, for UWA channels. The spatially-coupled low-density parity-check (SC-LDPC) codes have been shown to have the capacity-achieving performance over terrestrial communication. In this paper, we have studied by simulation, the performance of protograph based SC-LDPC codes over shallow water acoustic environment with a communication range of 1000 m and channel bandwidth of 10 KHz. Our results show that SC-LDPC codes give 1 dB performance improvement over LDPC codes at a Bit Error Rate (BER) of 10-3 for the same latency constraints. © 2020 IEEE.en_US
dc.titlePerformance of spatially coupled LDPC codes over underwater acoustic communication channelen_US
dc.typeConference Paperen_US
Appears in Collections:2. Conference Papers

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