NetTopo simulator can be used to test various kinds of sensor network algorithms. In this section, we focus on analyzing and discussing TPGF and GPSR algorithms running on NetTopo.
TPGF: Two Phase geographical Greedy Forwarding. It is a pure geographical greedy forwarding routing algorithm, which does not include the face routing concept, e.g. right/left hand rules and count/clockwise angles. For more information, please click here.
TPGF routing algorithm 100% guarantees the success of finding deliverable routing path. Current features reflected in NetTopo are as follows:
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1) Multi-source data gathering with dead sensor nodes
Question: How to gather stream data from multiple source nodes when sensor nodes use maximum transmission bandwidth and some of them are dead?
Answer: Node disjoint routing for stream data gathering with dead sensor nodes.
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2) Single source multi-path data transmission
Question: How to gather stream data from single source node when data producing speed of source node several times larger than sensor node’s maximum transmission bandwidth?
Answer: Stream data multi-path transmission.
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3) Multi-source multi-path data gathering
Question: How to gather stream data from multiple source nodes when data producing speed of source nodes several times larger than sensor node’s maximum transmission bandwidth?
Answer: Stream data multi-source multi-path transmission.
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4) Multi-source tree topology based data gathering
Question: How to gather stream data from multiple source nodes when sensor nodes do not use maximum transmission bandwidth?
Answer: Tree topology based multi-source stream data gathering
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