MMSN: Multi-Frequency Media Access Control for Wireless Sensor Networks. Cheoleun Moon Computer Science Div. at KAIST. Contents. Motivation Overhead Analysis New Protocol Framework Frequency Assignment Media Access Design Performance Evaluation Conclusions. Self-organize.
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Computer Science Div. at KAIST
Software still lags behind
- Not enough frequencies
tranMedia Access Design (1/4)
(Total # of data packet the network layer requests MAC)
CSMA has a sharp decrease of packet delivery ratio, while MMSN does not.
The non-uniform backoff in time-slotted MMSN is tolerant to system load variation, while the uniform backoff in CSMA is not.