High-frequency acoustic communications achieving high bandwidth efficiency

A recent communications experiment was conducted in a shallow water environment at high-frequency permitting the use of a large bandwidth ( 11 - 19 kHz ) . This paper investigates the communication performance versus various symbol rates (or bandwidths) in terms of output signal-to-noise ratio with...

Full description

Saved in:
Bibliographic Details
Published in:The Journal of the Acoustical Society of America 2009-08, Vol.126 (2), p.561-563
Main Authors: Song, H. C., Hodgkiss, W. S., Kuperman, W. A., Akal, T., Stevenson, M.
Format: Article
Language:English
Subjects:
Acoustic signal processing
Acoustics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Underwater sound
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A recent communications experiment was conducted in a shallow water environment at high-frequency permitting the use of a large bandwidth ( 11 - 19 kHz ) . This paper investigates the communication performance versus various symbol rates (or bandwidths) in terms of output signal-to-noise ratio with an assortment of constellations, illustrating a trade-off between performance and data rate. A high bandwidth efficiency of 4 bits ∕ s Hz is demonstrated using 32 quadrature amplitude modulation with a data rate of 31.25 kbits ∕ s over a 2.2 - km range.
ISSN:0001-4966
1520-8524
DOI:10.1121/1.3160284