PSMAC: Polling Service-based Medium Access Control for Wireless Networks
作者： Yihan Li , Shiwen Mao , Shivendra Panwar
DOI: 10.1109/WIOPT.2007.4480033
关键词: Polling system 、 Distributed computing 、 Service (systems architecture) 、 Computer network 、 IEEE 802.11 、 Polling 、 Access control 、 Throughput 、 Computer science 、 Overhead (computing) 、 Wireless network
摘要: It has been shown in the literature that many MAC protocols for wireless networks, such as IEEE 802.11 MAC, have a considerable control overhead, which limits their achievable throughput and delay performance. In this paper, we study problem of improving efficiency protocols. We first analyze popular p-persistent CSMA scheme does not achieve 100% throughput. Motivated by insights from polling system theory, then present three service-based schemes, termed PSMAC, improved The main idea is to serve multiple data frames after successful contention resolution, thus amortizing high overhead making more efficient. analysis simulation studies proposed schemes. Our results show algorithms can effectively improve performance CSMA, well providing energy savings. schemes are efficient handling bursty traffic typically found networks. Finally, observe PSMAC significantly outperform with respect fairness.
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