Downloading: Robust Method of Power Saving Approach in Zigbee Connected WSN with TDMA
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR) | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

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Robust Method of Power Saving Approach in Zigbee Connected WSN with TDMA

V. Prathyusha, Y. Pavan Kumar

Abstract: Wireless Sensor Network (WSN) is a network consists of individual nodes that are able to interact with their environment by sensing and controlling the physical parameters. In this network of wireless remote nodes Idle listening, Transmitting and Receiving are the major sources of power consumption. For investigating the power consumption several strategies are developed. In this paper, we are using IEEE 802.15.4 protocol for establishing the communication between these wireless sensor nodes. The IEEE 802.15.4 protocol is utilized as the communication protocols of Physical layer and MAC layer. The MAC layer provides the PSM by setting the two parameters Beacon Order (BO) and Super frame Order (SO) to achieve the low duty-cycle operation for the Zigbee network. Earlier, for reduction of the power consumption in wireless sensor networks we used the combination of Power Saving Mechanism (PSM) and Power control (PC) techniques in IEEE 802.15.4 protocol. We know that by using these techniques saves more power but lags in throughput. Because of the very large BO and small SO, obviously the throughput degrades. So to overcome this problem we add the TDMA protocol to this protocol. Then the results that will be obtained show the significant reduction in power consumption and increase in throughput due to the improved duty cycle.

Keywords: Hybrid technique, PSM, PC, Power saving, Beacon Order, Super-frame Order, Zigbee, TDMA protocol

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