Low-frequency sound transmission through water-air interface: A comparison between Ray and wave theory

Liu, Yu Kang; Wang, Yong

doi:10.1109/oceans-taipei.2014.6964301

Oceans 2014 - Taipei 2014

DOI: 10.1109/oceans-taipei.2014.6964301

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Low-frequency sound transmission through water-air interface: A comparison between Ray and wave theory

Yu Kang Liu

Yong Wang

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2019

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Performance Analysis of Convolution Code with Variable Constraint Length in Shallow Underwater Acoustic Communication

Raghavan¹,

Suriyakala²,

Rathinasabapathy³

et al. 2019

IJCNIS

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One of the most complex environment for the data transmission is the underwater channel. It suffers frequency selective deep fading with serious multi path time delay. The channel also has limited bandwidth. In this paper, the effect of Least Code Weight-Minimum Hamming Distance (LCW-MHD) polynomial code is studied using Viterbi Decoding Algorithm for the shallow Underwater Acoustic Communication (UAC) channel. Two different channels with the range of 100 and 1000 meters are considered for simulation purpose and the channel is designed using Ray Tracing algorithm. For data and image transmission in the channel, three different code rate of 1/2, 1/3 and 1/4 are considered and corresponding Bit Error Rate (BER) are evaluated. Result showed that the BER is least for the LCG-MHD polynomial code.

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Performance Analysis of Convolution Code with Variable Constraint Length in Shallow Underwater Acoustic Communication

Raghavan¹,

Suriyakala²,

Rathinasabapathy³

et al. 2019

IJCNIS

View full text Add to dashboard Cite

show abstract

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Low-frequency sound transmission through water-air interface: A comparison between Ray and wave theory

Cited by 1 publication

References 14 publications

Performance Analysis of Convolution Code with Variable Constraint Length in Shallow Underwater Acoustic Communication

Performance Analysis of Convolution Code with Variable Constraint Length in Shallow Underwater Acoustic Communication

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