NDLI: A multi-node incremental relaying scheme for wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Shaoqing Wang Ning Zhou Wei Du Yang, Yang
Copyright Year	2015
Description	Author affiliation: The electronic system engineering company of China, Beijing 100079, China (Shaoqing Wang; Ning Zhou; Wei Du) \|\| National Engineering Research Center for High Frequency Communications, PLA University of Science and Technolog, Nanjing, 210007, China (Yang, Yang)
Abstract	In wireless sensor networks, multi-node cooperative relaying (MR) scheme represents a potential candidate to combat the effects of channel fading by exploiting diversity gain achieved via cooperation among the relays nodes. But, a great many of relaying channels are employed in MR system, which means that the number of required channels, the energy consumption and transmission delay all increase linearly with the number of relay nodes. In order to minimize energy consumption and improve spectrum efficiency, a multi-node incremental relaying (MIR) scheme is developed and an approach of performance analysis for the MIR system is proposed in this paper. We derived expressions of normalized delay, normalized throughput and energy efficiency for the MIR system respectively. Then, the effects of the number of relay nodes and communication distance on normalized delay, normalized throughput and energy efficiency are discussed in detail for the MIR system. The results indicate that MIR system is more energy efficient than non-cooperative transmission system when the communication distance is above the threshold distance. Moreover, energy efficiency of MIR system can be enhanced through optimizing the number of relay nodes. At last, normalized throughput of MIR system also exceeds that of non-cooperative transmission system for any value of the communication distance.
Starting Page	793
Ending Page	798
File Size	1107693
Page Count	6
File Format	PDF
ISBN	9781467370042
e-ISBN	9781467370059
DOI	10.1109/ICCT.2015.7399949
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Manganese Wireless sensor networks Bit error rate Erbium Positron emission tomography Throughput energy efficiency cooperative relaying multi-node incremental relaying throughput delay
Content Type	Text
Resource Type	Article

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