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Delay-tolerant sensor networks (DTSNs) require efficient MAC transmission strategies that include energy constraint, relaxed latency, mobility support and diverse traffic load. Reservation-based and contention-based MAC schemes are used to improve throughput and energy consumption. In this paper, we propose a traffic adaptive, energy-efficient MAC protocol to achieve better data transmissions and...
Delay-Tolerant Sensor Networks (DTSN) experience long, unpredictable latency under fluctuating wireless networks with intermittent connectivity. Energy consumption and throughput improvement are essential in the design of MAC for DTSNs. However, when latency is relaxed in DTSN environments, traditional metrics such as throughput and energy consumption cannot express the transmission efficiency and...
Vehicular ad hoc networks (VANETs) experience large-scale high-speed mobility and volatile topology. VANETs may therefore experience intermittent connections and may occasionally be unable to guarantee end-to-end connections. This gives the medium access control (MAC) layer the opportunity to adapt its transmission strategy to the current unstable wireless connections to improve transmission efficiency...
Vehicular delay-tolerant networks (VDTN) experience high-speed mobility and volatile topology on a large scale. Therefore, VDTN may not guarantee end-to-end connections. This gives the MAC layer the opportunity to adapt its transmission strategy to the current unstable wireless connections in order to improve transmission efficiency. We propose an adaptive frame length aggregation scheme in VDTN in...
In a wireless delay-tolerant sensor network, the sensors must carry the data and wait for the delivery opportunity to forward the data. The probability of delivery largely depends on the current wireless channel connections. The sensors can optimally use the delivery opportunities to transmit the data while considering the data and nodes attributes. In this paper, we propose a transmission strategy...
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