1,394 resources related to Underwater communication
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The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.
The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.
The Optical Fiber Communication Conference and Exhibition (OFC) is the largest global conference and exhibition for optical communications and networking professionals. For over 40 years, OFC has drawn attendees from all corners of the globe to meet and greet, teach and learn, make connections and move business forward.OFC attracts the biggest names in the field, offers key networking and partnering opportunities, and provides insights and inspiration on the major trends and technology advances affecting the industry. From technical presentations to the latest market trends and predictions, OFC is a one-stop-shop.
The ICASSP meeting is the world's largest and most comprehensive technical conference focused on signal processing and its applications. The conference will feature world-class speakers, tutorials, exhibits, and over 50 lecture and poster sessions.
OCEANS 2020 - SINGAPORE
An OCEANS conference is a major forum for scientists, engineers, and end-users throughout the world to present and discuss the latest research results, ideas, developments, and applications in all areas of oceanic science and engineering. Each conference has a specific theme chosen by the conference technical program committee. All papers presented at the conference are subsequently archived in the IEEE Xplore online database. The OCEANS conference comprises a scientific program with oral and poster presentations, and a state of the art exhibition in the field of ocean engineering and marine technology. In addition, each conference can have tutorials, workshops, panel discussions, technical tours, awards ceremonies, receptions, and other professional and social activities.
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
Covers topics in the scope of IEEE Transactions on Communications but in the form of very brief publication (maximum of 6column lengths, including all diagrams and tables.)
IEEE Communications Magazine was the number three most-cited journal in telecommunications and the number eighteen cited journal in electrical and electronics engineering in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. Read more at http://www.ieee.org/products/citations.html. This magazine covers all areas of communications such as lightwave telecommunications, high-speed data communications, personal communications ...
Telephone, telegraphy, facsimile, and point-to-point television, by electromagnetic propagation, including radio; wire; aerial, underground, coaxial, and submarine cables; waveguides, communication satellites, and lasers; in marine, aeronautical, space and fixed station services; repeaters, radio relaying, signal storage, and regeneration; telecommunication error detection and correction; multiplexing and carrier techniques; communication switching systems; data communications; and communication theory. In addition to the above, ...
Serves as a compendium for papers on the technological advances in control engineering and as an archival publication which will bridge the gap between theory and practice. Papers will highlight the latest knowledge, exploratory developments, and practical applications in all aspects of the technology needed to implement control systems from analysis and design through simulation and hardware.
1984 Antennas and Propagation Society International Symposium, 1984
2001 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.01CH37263), 2001
This paper presents design and experimental results on a miniature micromachined silicon sensor platform that includes an ultrasonic transmitter powered by miniature batteries. The transmitter consists of a Pierce oscillator formed with a silicon/PZT laminate transducer as the mechanical oscillator. FSK (frequency-shift-keying) transmission of digital data is accomplished by inductive switching in the Pierce oscillator. The device architecture allows for ...
2015 IEEE International Conference on Signal Processing, Communications and Computing (ICSPCC), 2015
A scheme of bidirectional relaying underwater acoustic communication is presented in this paper, which adopted two-way (on-frequency) amplify and forward relaying, is an emerging technology that allows doubling of system spectral efficiency. However, underwater acoustic channel is of serious multipath interference, which leads to great challenges to avoid the interference from mutual channel user. In this paper, we proposed a ...
2010 10th Mediterranean Microwave Symposium, 2010
Underwater acoustic communication is a rapidly growing field of applied research and is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common one is realized by using transducers. In underwater acoustic communication, one of the most important problems is driving the transducers with matched network. In this study, ...
2009 International Conference on Test and Measurement, 2009
The DFT-SOFDM is a high date rate underwater acoustic transmission scheme even for underwater military communication. It has been widely studied to overcome the complexity of underwater acoustic channels. Generally speaking, multi- carrier transmission systems have many obvious advantages. They are less sensitive to impulsive noise than single-carrier systems. The longer symbol duration provides an advantage in a presence of ...
IROS TV 2019- How to Build a Robot: Marine Bio-inspired Soft Robotics
Cooperative Vehicle-to-Vehicle and Vehicle-to-Infrastructure Communication and Networking Protocols
IROS TV 2019-Collaborative Robotics & Intelligent Systems Institute CoRIS at Oregon State University
Virtual World Symposium - Educational Work
IROS TV 2019- Khalifa University Robotics Institute- Khalifa University of Science & Technology
Proloquo2Go AAC In Your Pocket
Robotics History: Narratives and Networks Oral Histories: Gianmarco Verrugio
Utilizing Wireless Power and Communication in Medical Systems
Helping Your Members Building Writing and Presentation Skills - Ryan Boettger - Sections Congress 2017
MicroApps: Streamlining Radio Communication Link Design from Specifcation to Production (AWR)
Laser Communication From Space Using Superconducting Detectors - ASC-2014 Plenary series - 12 of 13 - Friday 2014/8/15
RF Induced Communication Errors in RFFE MIPI Controlled Power Amplifiers: RFIC Interactive Forum
Micro-Apps 2013: Precision RF/MW Cable and Antenna Test in the Field
Big Data Panelist - Ritu Chadha: 2016 Technology Time Machine
Connectivity and Communication - 2012 GHTC Session - Ermanno Pietrosemoli
Is This NFC's Breakout Year? CES 2013
IMS 2012 Rump Session - Dr. John W. Bandler
GHTC 2012 Connectivity and Communication Panel Discussion
Lizhong Zheng's Globecom 2019 Keynote
This paper presents design and experimental results on a miniature micromachined silicon sensor platform that includes an ultrasonic transmitter powered by miniature batteries. The transmitter consists of a Pierce oscillator formed with a silicon/PZT laminate transducer as the mechanical oscillator. FSK (frequency-shift-keying) transmission of digital data is accomplished by inductive switching in the Pierce oscillator. The device architecture allows for further miniaturization of underwater sensor systems.
A scheme of bidirectional relaying underwater acoustic communication is presented in this paper, which adopted two-way (on-frequency) amplify and forward relaying, is an emerging technology that allows doubling of system spectral efficiency. However, underwater acoustic channel is of serious multipath interference, which leads to great challenges to avoid the interference from mutual channel user. In this paper, we proposed a self interference cancellation algorithm based on Look-up Table(LUT), referred as L-SIC, for a two-user, asynchronous, bidirectional relaying underwater acoustic communication system by the available side-information from “echo” signal. Simulation results show that the performance of our proposed algorithm has lower SER and computation cost has been significantly reduced compared to full LUT method.
Underwater acoustic communication is a rapidly growing field of applied research and is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common one is realized by using transducers. In underwater acoustic communication, one of the most important problems is driving the transducers with matched network. In this study, design of impedance matching network for B&K 8104 hydrophone that can be used for underwater communication was performed via Direct Computational Technique (DCT).
The DFT-SOFDM is a high date rate underwater acoustic transmission scheme even for underwater military communication. It has been widely studied to overcome the complexity of underwater acoustic channels. Generally speaking, multi- carrier transmission systems have many obvious advantages. They are less sensitive to impulsive noise than single-carrier systems. The longer symbol duration provides an advantage in a presence of impulsive noise. Nevertheless, it was recently recognized that this advantage turns into a disadvantage, if the impulsive noise energy exceeds a certain threshold. In this paper, nonlinearity methods for impulsive noise suppression in DFT-SOFDM receivers are considered. The experimental results of this comparative study show that the blanking nonlinearity performs better than the clipping nonlinearity.
Buoy geometries for ocean applications are as varied and diverse as the programs that give rise to their needs. NRaD is designing for ONR an autonomous, battery-powered, pop-up buoy system to provide RF communications between the sea surface and a remote ship or shore terminus, or an airborne or spaceborne repeater. This buoy system will act as a communication relay, sending and receiving data over an RF link, and shuttling that information, via fiber-optic link, to and from a sensor system on the ocean floor. Unique design features include an inherently positive, variable-displacement spar; a variable-ballast chamber to regulate surface exposure; and a self-compensating tether-management/counterbalance system. Four micro-controllers distributed throughout the buoy system control all buoy parameters. An innovative antenna configuration combines several transmit and receive antennas in a smooth mast, which will reduce drag and snagging. Onboard engineering sensors will collect and store voltages, currents, pitch, roll, temperature, and other buoy performance data on a regular basis while the spar is submerged, and will send that information to the user when RF communication is established. Safety features include backup acoustic commands to the buoy and a GPS locator/beacon that will detect and report the spar's position should it break away from its mooring.
The authors describe a knowledge-engineering-based system for the diagnosis of piscine diseases that has been developed for use in fish farms rearing the economically important saltwater species Psetta maxima (turbot) and Dicentrarchus labrax (sea bass). The system combines production rules implemented using the commercially available knowledge-engineering tool INSIGHT 2+; functional decision processes are implemented in routines that are written in conventional language and called up by the main production rule system. The system design and diagnostic process are described, and results obtained are discussed.<<ETX>>
Based on the local path planning for autonomous underwater vehicle (AUV) with uniform motion, a fuzzy logic control algorithm is adopted for AUV with variable velocity. And based on l - ¿ the formation control method and the geometrical kinematic relation of the formation order, the multi-AUV formation of obstacle avoiding can be translated into the path planning of a virtual AUV. A fuzzy control policy is designed for the virtual AUV to avoid obstacles. Simulation results show that the formation is flexible and can keep away from obstacles by keeping the initial formation shape or changing the formation shape according to obstacle information.
Recently, multicarrier modulation in the form of orthogonal frequency division multiplexing (OFDM) has been actively investigated in underwater acoustic communications for its effective algorithms to handle the channel time- variability. In order to improve the performance of the underwater acoustic OFDM communication system, the irregular repeat accumulate (IRA) code as a channel coding scheme is proposed in this paper. We analyzed the effect of parameters of the IRA code on the performance of the system. Computer simulation has been implemented and the sea trial has been carried out in shallow water acoustic channels near Xiamen port. The simulation results show that the IRA coding scheme has improved the SNR (signal noise ratio) performance of the system at range of 14 dB to 16 dB compared with the system without coding and the BER performance of the IRA code will get improvement with the increase of the code length and the iteration of decoding to a certain degree, and then tends to stable. Field test experiment results obtained with the IRA code are provided, demonstrating the feasibility of the proposed channel coding for underwater acoustic OFDM communication system.
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