Research Paper | Computer Science & Engineering | India | Volume 4 Issue 11, November 2015
Enhance QoS of Lossy Wireless Sensor Network by In-Network Data Aggregation
Harshada Kupade, Madhav Ingle
In lossy wireless sensor network, packet loss due to buffer overflow of sensor nodes and the delay caused due to retransmission of that lost packet is a major problem. So improving the delay performance along with reliability of WSN is a big challenge. The goal of the proposed system is to broadcast sensed data to focus on delay performance. Also congestion at collector node due to duplicate sensed data in network is reduced by data aggregation, for this we compute a function at the collector node from the information gathered by spatially distributed sensor nodes. Because wireless sensor network applications require various levels of communication reliability (CR), the data transmission should satisfy the desired CR of the applications. Here, we propose a flexible loss recovery mechanism (called Active Caching) for sensor network applications with various CRs. The proposed system caches data packets at intermediate nodes in routing path which are computed by CR to retransmit lost packets during multi-hop transmissions.
Keywords: WSN, CH, Data Aggregation, CR and TDMA
Edition: Volume 4 Issue 11, November 2015
Pages: 1147 - 1150
How to Cite this Article?
Harshada Kupade, Madhav Ingle, "Enhance QoS of Lossy Wireless Sensor Network by In-Network Data Aggregation", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV151378, Volume 4 Issue 11, November 2015, 1147 - 1150
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