Proactive Source Routing (PSR) in Shortcut Tree for Wireless Networks

Provided by: The International Journal of Innovative Research in Computer and Communication Engineering
Topic: Enterprise Software
Format: PDF
The main idea of the shortcut tree routing is to calculate remaining hops from an arbitrary source to the destination using the hierarchical addressing scheme in ZigBee and each source or intermediate node forwards a packet to the neighbor node with the smallest remaining hops in its neighbor table. The shortcut tree routing is fully distributed and compatible with ZigBee standard in that it only utilizes addressing scheme and neighbor table without any changes of the specification. The Shortcut Tree Routing (STR) protocol provides the near optimal routing path as well as maintains the advantages of the ZigBee tree routing such as low memory consumption.

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