Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1311
Title: Transmission Power Control for Link-Level Handshaking in Wireless Sensor Networks
Authors: Yıldız, Hüseyin Uğur
Tavlı, Bülent
YanıkÖmeroğlu, Halim
143109
Keywords: Wireless sensor networks
mathematical programming
network lifetime
log-normal shadowing
transmission power control
discrete power levels
energy efficiency
Issue Date: 15-Jan-2016
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Source: Yildiz, H. U., Tavli, B., & Yanikomeroglu, H. (2015). Transmission power control for link-level handshaking in wireless sensor networks. IEEE Sensors Journal, 16(2), 561-576.
Abstract: In practical wireless sensor networks (WSNs), the main mechanism for link-level data exchange is through handshaking. To maximize the network lifetime, the transmission power levels for both data and acknowledgement (ACK) packets should be selected optimally. If the highest transmission power level is selected then the handshake failure is minimized, however, minimizing handshake failure does not necessarily result in the maximized lifetime due to the fact that for some links selection of the maximum transmission power may not be necessary. In this paper, we investigate the impact of optimal transmission power assignment for data and ACK packets on network lifetime in WSNs. We built a novel family of mathematical programming formulations to accurately model the energy dissipation in WSNs under practical assumptions by considering a wide range of energy dissipation mechanisms. We also investigate the validity of a commonly made assumption in wireless communication and networking research: lossless feedback channel (i.e., ACK packets never fail). Our results show that the global optimal assignment of data and ACK packets can be replaced with link scope power level assignment strategies without any significant deterioration of network lifetime. The assumption that ACK packets do not fail is shown to be misleading.
URI: https://ieeexplore.ieee.org/document/7289353/
https://hdl.handle.net/20.500.11851/1311
ISSN: 1530-437X
1558-1748
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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