Wireless sensor networks are a web of sensor nodes with a set of processor and limited memory unit embedded in it. Reliable routing of packets from the sensor node to its base station is the most important task for the networks. The routing protocols applied for the other networks cannot be used here due to its battery powered nodes. This paper gives an overview of the different hierarchical routing strategies used in wireless sensor networks and gives a brief working model of energy efficient routing protocols in WSN. In this paper performance of different routing protocols are compared based on metrics such as mobility support, stability, energy efficiency.
G, RENGUGADEVI and G, SUMITHRA M.
"HIERARCHICAL ROUTING PROTOCOLS FOR WIRELESS SENSOR NETWORK–A SURVEY,"
International Journal of Smart Sensor and Adhoc Network: Vol. 2
, Article 11.
Available at: https://www.interscience.in/ijssan/vol2/iss3/11