IEEE802.15.6のCSMA/CAに基づきマルチホップボディ・エリア・ネットワークに関する一検討(Network,MAC,Adhoc関連技術,一般)
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概要
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Since the elderly population is increasing all over the world, health care market keeps growing and there is a need for monitoring of health issues. Body Area Network (BAN) consists of wireless sensor nodes attached on or inside human body for monitoring vital health related problems, i.e, Electro Cardiogram (ECG), ElectroEncephalogram (EEG), Electronystagmogram(ENG) etc. Vital data is recorded by each sensor node and sent toward the coordinator. However, due to the obstacle of human body, sensor nodes not always can send the data to the coordinator. In addition, the life time of sensor nodes meaning the reduction of transmit power of sensor nodes should be considered. In standard IEEE802.15.6, the transmission topology is indicated as 1 hop star plus one. In order to obtain the high throughput, reduce the transmit power of sensor nodes and keep the fairness for all sensor nodes, the multiple-hop transmission of WBAN is considered based on CSMA/CA protocol of IEEE802.15.6. The throughput and the variance of transmit power are calculated by simulation and explained by the proposed theorem.
- 一般社団法人電子情報通信学会の論文
- 2013-10-14