World Journal of Engineering Research and Technology (WJERT) has indexed with various reputed international bodies like : Google Scholar , Index Copernicus , Indian Science Publications , SOCOLAR, China , International Institute of Organized Research (I2OR) , Cosmos Impact Factor , Research Bible, Fuchu, Tokyo. JAPAN , Scientific Indexing Services (SIS) , Jour Informatics (Under Process) , UDLedge Science Citation Index , International Impact Factor Services , International Scientific Indexing, UAE , International Society for Research Activity (ISRA) Journal Impact Factor (JIF) , International Innovative Journal Impact Factor (IIJIF) , Science Library Index, Dubai, United Arab Emirates , Scientific Journal Impact Factor (SJIF) , Science Library Index, Dubai, United Arab Emirates , Eurasian Scientific Journal Index (ESJI) , Global Impact Factor (0.342) , 

World Journal of Engineering
Research and Technology

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.218

ICV : 79.45

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Abstract

ENERGY OPTIMIZATION IN WSN USING CHANNEL CODING

B. Lasya Sri* and L. Nirmala Devi

ABSTRACT

The Wireless Sensor networks are highly distributed networks of small, lightweight wireless nodes, deployed in large numbers to monitor the physical or environmental conditions. The major challenges of WSN arerobust, reliability and power consumption Source of Power supply used in sensor nodes are often battery powered. Hence a frequent requirement for charging of battery or sometimes replacement of sensor nodes itself is necessary. For maximizing the lifetime of sensor node, Optimization[5] of power consumption plays an important role. Error correction codes (ECC) is an efficient method implemented to optimize the transmitted power. In this paper a systematic approach for selection of suitable error correction codes for wireless sensor networks is followed. Coding gain of ECC results in energy conservation during transmission. Suitable Error correction code will be chosen based on the trade off in performance between BER (Bit Error Rate) and power consumption.

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