International Journal of Scientific Research and Engineering Development

In The large-scale deployment of wireless sensor ,Data should be aggregated in wireless sensor networks (WSN) to reserve energy and to avoid burst traffic in network. The regular sensor node generates data, based on its sensing mechanism, observation and then transmit sensed data packet to the base station (sink). Here the data can be transmitted directly to the base station located far away from the sensor nodes but requires more energy, hence it is better to transmit data by few nodes by collecting the data locally from neighboring nodes. These few nodes that collect and process data and later sent to base station are called aggregator nodes and the process is called aggregation and data dissemination in wireless sensor networks.

Dr. Nagendra Nath Giri, Dr. Anil Kumar R J, Dr. Sumati Behera, "Data Aggregation in Wireless Sensor Networks: Issues, Challenges and Future Directions" International Journal of Scientific Research and Engineering Development, V9(4): Page(1196-1199) July-August 2026. ISSN: 2581-7175. www.ijsred.com. Published by Scientific and Academic Research Publishing.