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In this paper, we explore the idea of using traffic forecasting to improve the delay performance of a schedule-based medium access control protocol. Schedule-based channel access has been shown to utilize network and energy resources efficiently but is often hindered by the extra delay that scheduling introduces. We explore the use of traffic forecasting to anticipate transmission schedules instead...
In wireless sensor network studies the main objective is minimizing the energy consumption so that the lifetime is maximized under the limited battery capacity constraints. In most event-driven surveillance applications, the end-to-end delay should also be minimized. In this paper we present a new BT-MAC (balanced energy-latency tradeoff Media Access Control) which reaches a good balance between energy...
In wireless sensor network studies the main objective is minimizing the energy consumption so that the lifetime is maximized under the limited battery capacity constraints. In most event-driven surveillance applications, the end-to-end delay should also be minimized. In this paper we present a new EDO-MAC (energy and delay optimization Media Access Control) which reaches a good balance between energy...
Underwater acoustic networks can have large propagation delays as compared to typical packet durations, as a result of the low speed of sound in water. The ill effects of large propagation delay on medium access control (MAC) are well known. Conventional MAC protocol design for such networks focuses on mitigation of the impact of propagation delay. Most proposed protocols to date achieve, at best,...
In current wireless networks, channel access is controlled via either a TDMA- or a CSMA-based scheme. While usable in single-hop networks, these techniques are far from optimal and result in significant per-hop and per-packet delay an jitter. This makes multi-hop mesh networks unsuitable for several in-demand applications, including VoIP. We present a new medium access control (MAC) protocol for wireless...
In this paper, we proposed an adaptive low latency MAC protocol for sensor networks based on cross-layer architecture, named LLS-MAC (Low Latency Sensor MAC). The new protocol is inspired by S-MAC. The advancement of LLS-MAC in packet end-to-end delay is mainly due to the continual data transmission scheme presented in this paper. For achieving this scheme, a cross-layer design approach is adopted...
Due to the special characteristics of wireless sensor networks, traditional MAC approaches are not suitable for them. So designing MAC protocol for WSNs in a specific manner is critical to meet their intrinsic constraints. In this paper, we proposed an energy efficient MAC protocol which reduce energy consumption due to idle listening and control packet overhead. It is called W-MAC. W-MAC protocol...
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