Complexity of underwater channel itself and high investment, high risk of field tests are
limitations of underwater acoustic communication technology development. For high …

Nowadays, the construction and application of underwater acoustic (UWA) networks has
received much focus in the research area of UWA communication. This paper constructed …

Spread spectrum techniques are used in communication systems to provide low probability
of intercept and jamming, to overcome the channel where the transmitted signal is distorted …

Multi-path interference due to boundary reflection in shallow water acoustic communication
poses the major obstacle to reliable, high-speed underwater communication system. Based …

In recent years, researches of underwater sensor networks have continued to investigate
environment and resources of the sea. Acoustic waves are used instead of radio waves for …

Acoustic propagation in the underwater channel influenced by three factors: signal
attenuation, multipath propagation, and low speed of sound propagation. Understanding of …

Experiment is the effective research means. In this paper, an experiment platform for
underwater acoustic sensor networks (UASNs) is designed and developed, which serves as …

The underwater acoustic communication system has a number of restrictions to DSP core
because of the bad underwater environment. In view of this situation, we have designed a …

The development on the underwater communication network for sea observation is on the
rise due to increasing importance of its applications such as oceanography, marine …

Anti-jamming, concealment and low signal noise ratio detection of direct sequence spread
spectrum system is much better than regular communication system. Under typical three …