underwater acoustic data-communication
Fractional Cosine Transform (FrCT)-Turbo based OFDM for underwater acoustic communication
... encoded data vector is then transformed into time domain using an inverse DFrCT of order ...parallel data streams are then converted to a serial data after adding cyclic ...received data ...
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Analysis on Data Transmission in Underwater Acoustic Sensor Network for Complex Environment
... two acoustic transceivers namely vertical and horizontal ...the underwater sinks to communicate with the sensor nodes in order to com- mands and configuration data to the sensors and collect ...
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A REVIEW ON UNDERWATER COMMUNICATION WITH AN AERIAL PLATFORM
... ELF communication was a one way link and the data transmission rates were very ...the Acoustic communication which made use of acoustic signals which can travel only a shorter distance ...
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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 ...
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MAC protocol for underwater acoustic sensor network based on belied state space
... the communication slot for ...the data packet collision of channels, reduce the loss rate of AUT-Lohi data packets, and improve the success rate of data ...to data packet confliction ...
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Need and Role of Underwater Acoustic Sensor Networks
... with acoustic link to a companion Moored Surface Buoy for real time communications and is designed to detect and report tsunamis if the pressure fluctuations are above a preset ...two data reporting modes: ...
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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 ...of data with low ...for underwater optical wireless ...assigns data. This DC based OFDM assigns data ...
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Fractional fourier based sparse channel estimation for multicarrier underwater acoustic communication system
... In the FrFT based OFDM scenario (FrFT-OFDM), the FrFT and IFrFT blocks are implemented instead of Fourier (FT) and Inverse Fourier Transform (IFT) in conventional OFDM. Initially, a block of data 𝐬 = ,s 0 , s 1 … ...
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Energy Ef ficient and Reliable Communication in Underwater Acoustic Sensor Networks
... the communication in the earth surface is through electromagnetic or radio ...the underwater environments in an efficient way. In underwater environments radio does not work well due to its quick ...
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Title: Simulation For Under Water Channel
... commercial underwater communication systems currently ...the acoustic devices among themselves, a strong dependency between range and maximum possible data rate can be ...
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OFDM along with Steering Sinusoids for Underwater Acoustic Communication
... provided data base of the World Ocean Atlas at 1-degree resolution, extended at the depth up to 5500 ...of communication and the number of beams that need to be ...
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Multimodal Underwater Networks: Recent Advances and a Look Ahead
... range underwater commu- nications start to be of ...high-rate data streams with fixed nodes or human controllers, and therefore require short-range, high-rate underwater communication ...
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Design and Simulation of a Secure and Robust Underwater Acoustic Communication System in the Persian Gulf
... years, underwater acoustic (UWA) communications have received much attention as their applica- tions have begun to shift from military toward ...derwater acoustic communication system. ...
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Hybrid Cross Layer Fault Resilient Energy Efficient Data Transmission for Underwater Acoustic Sensor Networks
... water acoustic sensor networks (UASN) has gained popularity with increasing applications in marine life monitoring, oil line and tsunami ...use acoustic signal due to radio signal attenuation in under water ...
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Modified MAC Protocol for low overhead and long delay Underwater Acoustic Communication
... the data transmission rate is ...shared communication medium, by coordinating the access times of a number of ...consumption. Underwater MAC has to be designed to suit the physical media properties ...
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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 ...
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Safety Aspects of Enhanced Underwater Acoustic Sensor Networks
... the data was sent by a legitimate sender that is essential in military and safety-critical applications of ...open acoustic channel for exchange information ...and communication costs ...suitable ...
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Challenges for Efficient Communication in Underwater Acoustic Sensor Network
... gathered data to the selected ...increased acoustic interference due to high transmission ...the data produced by a source sensor is relayed by intermediate sensors until it reaches the ...in ...
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Vol 6, No 2 (2014)
... the data that has been gathered in the cluster heads are transmitted to the base stations on the surface of the ...Autonomous Underwater Vehicles (AUVs) ...that communication with other sensor nodes ...
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Anchorless Underwater Acoustic Localization
... We start our performance evaluation by running our algo- rithm in the presence of exact environmental data under differ- ent SNR values. The complementary cumulative distribution functions (CCDF) of the distance ...
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