CACA-UAN: A Context-Aware Communication Approach Based on the Underwater Acoustic Sensor Network

  title={CACA-UAN: A Context-Aware Communication Approach Based on the Underwater Acoustic Sensor Network},
  author={Qi Liu and Xuedong Chen and Xiaodong Liu and Nigel Linge},
Underwater acoustic sensor networks (UANs) have emerged as a promising technology which can be applied in many areas such as military and civil in recent years. Among these applications, the communication between the devices is crucial for providing the better service to the users. To facilitate the communication, effective communication approaches need to be developed, however, underwater communication may pose more challenges than terrestrial communication due to the unique characteristics of… 
CAMA-UAN: A Context-Aware MAC Scheme to the Underwater Acoustic Sensor Networks for the Improved CACA-UAN
  • Xiaodong Liu, Qi Liu
  • Computer Science
    2018 3rd International Conference on Computer and Communication Systems (ICCCS)
  • 2018
A communication solution is designed called Context-Aware Mac-layer Approach to Underwater Acoustic Networks (CAMA-UAN), where a competitive mechanism is presented to determine the structure of scheduled MAC frames.
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Analytical expressions are given for the number of admissible communication sequences in a networked system that include a minimum number of accesses for each node, which significantly reducesThe number of sequences.


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Overview of networking protocols for underwater wireless communications
An overview of recent medium access control, routing, transport, and cross-layer networking protocols for underwater wireless applications is provided.
A CDMA-based Medium Access Control for UnderWater Acoustic Sensor Networks
UWMAC, a distributed Medium Access Control protocol designed for UW-ASNs, is introduced, which is a transmitter-based Code Division Multiple Access (CDMA) scheme that incorporates a novel closed-loop distributed algorithm to jointly set the optimal transmit power and code length.
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Recommendations are made for the selection of communication carriers for UWSNs with engineering countermeasures that can possibly enhance the communication efficiency in specified underwater environments.
Prospects and problems of wireless communication for underwater sensor networks
The fundamental physics of different waves are presented; the pros and cons for adopting different communication carriers based on the fundamental first principles of physics and engineering practice are compared; and recommendations for the selection of communication carriers are made.
MAC protocol in wireless body area networks for E-health: challenges and a context-aware design
This work introduces a context-aware MAC protocol to meet time-varying requirements of WBAN and demonstrates that the proposed protocol is able to reduce latency, energy consumption, and packet loss rate, as well as to achieve a reasonable trade-off between efficiency and reliability.
Context-aware quality of service in wireless sensor networks
Simulation results show that context awareness helps nodes to manage the network in an energy-efficient manner and provides differentiated QoS to the nodes and their transmitted data by exploiting spatial and temporal correlation.
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Simulation results show that ADCMCST could greatly reduce the topology formation time, and achieve good approximation results; when the compression ratio is less than 70 %, the network lifetime of ADC MCST will be larger than that of energy driven tree construction.