AN AD HOC LEACH PROTOCOL WITH COMPACT DATA REDUNDANCY FOR WIRELESS SENSOR NETWORKS

[Chandna * , 4(7): July , 2015 ] ISSN: 2277 - 9655 (I2OR), Publication Impact Factor: 3.785 http: // www.ijesrt.com © International Journal of Engineering Sciences & Research Technology [ 612 ] IJESRT INTERNATIONAL JOURNA L OF ENGINEERING SCI ENCES & RESEARCH TECHNOLOGY AN AD HOC LEACH PROTOCOL WITH COMPACT DATA REDUNDANCY FOR WIRELESS SENSOR NETWORKS Anurag Chandna * , Dr. Nirvikar * M. Tech. Scholar, Computer Science & Engineering , Uttarakhand Technical University, Dehradun, India Assosiate Professor, Computer Science & Engineering, College of Engineering, Roorkee, India ABSTRACT WS N is a s e t of c o nn ec ted t i n y d e vic e s (s e nsor nod e s) with l i m i ted e n e r g y r e sou r ce . WS Ns h a ve a bi l i t y to e x tr ac t the info r mation f r om the h a rsh a nd hosti l e e nvironme n t without human in t e r a c t i on. On ce , WS N is d e pl o y e d, it is i m poss i ble to r e c h a r g e or r e pl a c e the e n e r g y r e so u r c e due t o ina c c e ss i bi l i t y of n o d e s. S o, n e twork l i f e t i me a n d f a ult to l e r a n c e a re c ritic a l p a r a met e rs. I t ’s b ec ome v e r y i m port a n t to h a ndle e n e r g y r e sou r c e c a r e ful l y a s it pl a y s vital r o le in p r olo n g i n g the n e tw o rk lif e t i m e . To ac hieve t h e f a ult to l e r a n ce , r e dund a n c y h a s b ee n c re a ted in te r ms of number of nod e s. The nod e s c lose t o eac h other s e nd most c o r r e l a ted d a ta to the si n k . T ra nsm i t t ing a nd p r o c e ss i ng o f c o r re l a ted d a ta r e sul t s in w a st i ng the e n er g y that short e n s the l i f e t i me of WS Ns. S ince W S N is e n e r g y c onstr a ined, e n er gy must be ut i l iz e d in a n e f f ici e nt w a y so that most of the e n e r g y is dis s ipat e d in d oing use f ul wo r k. I n th i s wo r k, we p r opose L EACH - CDR ( L o w E n e r g y A d a p t i ve Clus t e ring Hi e r a r c h y - compact d a ta r e dund a n c y ) p r otocol. I t is i m p r ovised L EACH p r o tocol. The k e y id e a is to g roup two c losest n od e s (t e rm e d a s n e i g hbo u r nod e s), a l l o w ing on l y one to transmit to the c lus t e r h ea d (CH) with i n the n e twor k . The p r opos e d method is useful when sensor nod e s are d e p l o y e d closer a nd d e nsi t y is hi g h. Compa r ison with the c lassic a l L EACH shows that the p ropos e d method i m p r ov e s the n e twork l i f e t i me a nd e n e r g y e f fi c i e n c y . T h e s c h e me r e d u c e s the r e dund a nt d a ta to be sent f rom no d e s to clus t e r h e a d