underwater acoustic communication system
Design and Simulation of a Secure and Robust Underwater Acoustic Communication System in the Persian Gulf
... digital communication receiver in use today. Digital acoustic communication is limited by severe ISI associated with shallow underwater chan- ...in underwater acoustic ...for ...
14
Fractional fourier based sparse channel estimation for multicarrier underwater acoustic communication system
... estimation based on Fractional Fourier Transform (FrFT) for orthogonal frequency division multiplex (OFDM) scenario to exploit channel sparsity of underwater acoustic (UWA) channel. A novel channel ...
6
Design of an Acoustic Communication System Based on FHMA for Multiple Underwater Vehicles
... a communication network to ensure the vehicles to work under control ...realize communication between ...in underwater acoustic channel results in low rate of original data ...of ...
9
Fractional Cosine Transform (FrCT)-Turbo based OFDM for underwater acoustic communication
... the system reaches its optimal order, the coefficients on or along the main diagonal will be largest, which means non-diagonal elements contributes to the least ...
5
A Review on Underwater Acoustic Sensor Networks: Perspective of Internet of Things
... network system of numerous stationery or mobile sensor nodes wirelessly connected to acoustic communication modules deployed ...of underwater sensor nodes whose acoustic modems can ...
13
Challenges for Efficient Communication in Underwater Acoustic Sensor Network
... Underwater acoustic communications are mainly influenced by path loss, noise, multi-path, Doppler spread, and high and variable propagation ...the acoustic channel, and make the available bandwidth of ...
9
A Design of Novel Hybrid Opto acoustic Modem for Underwater Communication
... power acoustic modem has been designed in paper[5] to have better short range ...optical system based on ...for underwater optical wireless ...
7
Review Article: Multicarrier Communication for Underwater Acoustic Channel
... robust acoustic link allowing the transmission of differ- ent information using Reed Solomon coder and conven- tional coding to protect data transmission over underwa- ter acoustic ...Where ...
16
Need and Role of Underwater Acoustic Sensor Networks
... BPR system consists of an anchored sea floor Bottom Pressure Recorder with acoustic link to a companion Moored Surface Buoy for real time communications and is designed to detect and report tsunamis if the ...
9
OFDM along with Steering Sinusoids for Underwater Acoustic Communication
... for acoustic communication underwater, Orthogonal Frequency Division Multiplexing (OFDM) still happens to be the best and an extremely effective modulation ...the underwater acoustic ...
7
A novel cooperative spectrum signal detection algorithm for underwater communication system
... for underwater communication, underwater wireless communication has been widely concerned by ...present, underwater communication usually adopts sound wave as the carrier of ...
10
Safety Aspects of Enhanced Underwater Acoustic Sensor Networks
... In underwater network architecture, sensors move with water currents and AUVs are ...in underwater applications are anchored to the bottom of the ocean, other applications require sensors to be suspended at ...
6
Design of Underwater Acoustic Channel Model for OFDM Communication System
... in underwater communications, such as water chemical constitution, environmental variables, and the presence of various types of ...of acoustic waves for the transmission of ...for underwater ...
5
An acoustic communication based AQUA-GLOMO simulator for underwater networks
... actual system is a mountaineer task which requires a mammoth of money, and ...for underwater networks that require acoustic communication, as there is a wide range of difference between the ...
14
An Underwater Acoustic Implementation of DFT-Spread OFDM
... in underwater acoustic ...for underwater acoustic communication is orthogonal frequency division multiplexing (OFDM), which has been widely ...OFDM system su ff ers a number of ...
6
Energy Efficient 4-Dimensional Heterogeneous Communication Architecture For Underwater Acoustic Wireless Sensor Networks
... THE growing population on earth involves air, water, food, new medicines, a comfortable climate, beauty, inspiration and recreation. The ocean is the major ecosystem on Earth; it is the planet’s life support ...
6
Nonstationary System Analysis Methods for Underwater Acoustic Communications
... The underwater environment can be considered a system with time-varying impulse response, causing time-dependent spectral changes to a transmitted acoustic ...In underwater acoustic ...
14
Study and Analysis of Dynamic Routing Protocols for Different Parameters in Underwater Acoustic Sensor Networks
... in underwater environment, sensor deployment is very difficult to implement in such an ...static underwater network under the time distance shortest path ...in underwater sensor ...in ...
5
Modified MAC Protocol for low overhead and long delay Underwater Acoustic Communication
... of underwater acoustic communications are ...three-dimensional underwater sensor networks are discussed, and the characteristics of the underwater channel are ...the underwater ...
7
Vol 6, No 2 (2014)
... In [32], because the high probability of errors is a major issue for dense networks, the authors proposed a position- based routing method called VBF to deal with this problem. In VBF, data regarding the state of the ...
19