TTMA：自适应时分多址接入协议无线传感器网络
TTMA: Traffic-adaptive Time-division Multiple Access Protocol Wireless Sensor Networks
摘要：
这篇文章已被arXiv撤回。arXiv管理员注意：作者列表由于有争议的作者和内容而被截断。此提交内容重复了其他作者来自此http URL的大部分文本。无线传感器网络中的占空比模式提高了能量效率，但也引入了数据包传输延迟。已经提出了几种基于占空比的MAC方案来减少延迟，但是吞吐量受到占空比调度性能的限制。在本文中，一个自适应时分多址接入（TTMA），一个分布式的基于TDMA的MAC协议，以提高吞吐量的业务自适应时隙调度，提高信道利用率。所提出的时隙调度方法首先通过快速业务通知来避免分配给没有业务的节点的时隙。然后，它实现了更好的信道利用率节点之间的业务通过有序的调度协商方案。通过将业务通知和数据传输调度分解为两个阶段，使得每个阶段都简单高效。性能评估表明，两阶段的设计显着提高了吞吐量和优于时分多址（TDMA）控制时隙窃取。
英文摘要：
This paper has been withdrawn by arXiv. arXiv admin note: author list truncated due to disputed authorship and content. This submission repeats large portions of text from this http URL by other authors. Duty cycle mode in WSN improves energy-efficiency, but also introduces packet delivery latency. Several duty-cycle based MAC schemes have been proposed to reduce latency, but throughput is limited by duty-cycled scheduling performance. In this paper, a Traffic-adaptive Time-division Multiple Access (TTMA), a distributed TDMA-based MAC protocol is introduced to improves the throughput by traffic-adaptive time-slot scheduling that increases the channel utilisation efficiency. The proposed time-slot scheduling method first avoids time-slots assigned to nodes with no traffic through fast traffic notification. It then achieves better channel utilisation among nodes having traffic through an ordered schedule negotiation scheme. By decomposing traffic notification and data transmission scheduling into two phases leads each phase to be simple and efficient. The performance evaluation shows that the two-phase design significantly improves the throughput and outperforms the time division multiple access (TDMA) control with slot stealing.
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