Protocolos de controle de acesso ao meio orientados a aplicações para redes de sensores sem fio. (Applications oriented medium access control protocols for wireless sensor networks.)

Sandro Silva (, Shusaburo Motoyama (

Universidade Estadual de Campinas ‑ UNICAMP
This paper appears in: Revista IEEE América Latina

Publication Date: Sept. 2009
Volume: 7,   Issue: 5 
ISSN: 1548-0992

In this article two new MAC protocols for wireless sensor networks based on TDMA (Time Division Multiple Access) access method are proposed. The proposed protocols are convenient for applications demanding a small number of sensors highly concentrated in a small region, such as in medical areas. The main characteristic of the proposed protocols is the simplified access scheduling that guarantees a low energy consumption and a reduced overhead. The energy consumptions of the proposed protocols are estimated analytically and compared to the consumptions of the protocols known in the literature. The results show that the energy consumptions of the proposed protocols, in certain conditions, are smaller than other compared protocols.

Index Terms:
Wireless Sensor Networks, Medium Access Control Protocol, Time Division Multiple Access, Energy Consumption Redution.   

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