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This study proposes core network supported multicast routing (CNSMR) protocol, a stateful\u2010based distributed multicast routing protocol for sensor networks. The proposed protocol comprises of heterogeneous nodes such as cluster head (CH) nodes, core nodes (CNs) and sensor nodes (SNs). The distinct set of nodes known as CNs have computing, storage and energy resources more than the SNs. CH nodes and CNs form the core network, and CNs with core network and SNs form the core network supported multicast tree. SNs participate in multicast routing supported by the core network and thus save the node energy. Multicast routing in the proposed core network supported multicast trees balance the load in the network and improve the network performance as compared to the existing WSN multicast routing protocols. The proposed CNSMR protocol is compared with the existing WSN multicast routing protocols such as DCME\u2010MR, Intelligent\u2010MR, H\u2010GMR and OnDemand\u2010MR. Simulation results indicate improvements in delay latency, energy save ratio, throughput rate, end\u2010to\u2010end packet delay, multicast control overhead ratio and packet delivery ratio for the proposed protocol.<\/jats:p>","DOI":"10.1049\/iet-wss.2014.0021","type":"journal-article","created":{"date-parts":[[2015,6,4]],"date-time":"2015-06-04T15:16:12Z","timestamp":1433430972000},"page":"175-182","source":"Crossref","is-referenced-by-count":16,"title":["Core network supported multicast routing protocol for wireless sensor networks"],"prefix":"10.1049","volume":"5","author":[{"given":"Bala Krishna","family":"Maddali","sequence":"first","affiliation":[{"name":"University School of Information and Communication Technology (USICT), GGS Indraprastha University New Delhi India"}]}],"member":"265","published-online":{"date-parts":[[2015,8]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.comnet.2008.04.002"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/9780470515181"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2004.1368893"},{"issue":"36","key":"e_1_2_8_5_1","first-page":"1125","article-title":"Survey of multi path routing protocols for mobile ad hoc networks","volume":"32","author":"Mohammed T.","year":"2009","journal-title":"Elsevier J. 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