Cross-Layer Protocol Combining Tree Routing and TDMA Slotting in Wireless Sensor Networks

Ronggang BAI  Yusheng JI  Zhiting LIN  Qinghua WANG  Xiaofang ZHOU  Yugui QU  Baohua ZHAO  

IEICE TRANSACTIONS on Information and Systems   Vol.E92-D   No.10   pp.1905-1914
Publication Date: 2009/10/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E92.D.1905
Print ISSN: 0916-8532
Type of Manuscript: Special Section PAPER (Special Section on New Technologies and their Applications of the Internet)
Category: Network Architecture and Testbed
wireless sensor network,  cross layer protocol,  TDMA,  tree routing,  

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Being different from other networks, the load and direction of data traffic for wireless sensor networks are rather predictable. The relationships between nodes are cooperative rather than competitive. These features allow the design approach of a protocol stack to be able to use the cross-layer interactive way instead of a hierarchical structure. The proposed cross-layer protocol CLWSN optimizes the channel allocation in the MAC layer using the information from the routing tables, reduces the conflicting set, and improves the throughput. Simulations revealed that it outperforms SMAC and MINA in terms of delay and energy consumption.