Service Differentiated and Adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="947808.fig.008a" src="https://static.hindawi.com/articles/tswj/volume-2013/947808/figures/947808.fig.008a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Effective data rate</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="947808.fig.008b" src="https://static.hindawi.com/articles/tswj/volume-2013/947808/figures/947808.fig.008b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Packet loss rate</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="947808.fig.008c" src="https://static.hindawi.com/articles/tswj/volume-2013/947808/figures/947808.fig.008c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Average delay</td></tr></table></td></tr></table>

<table>Performance comparison of SDA-CSMA/CA and IEEE 802.15.4 slotted CSMA/CA.</table>

The Scientific World Journal

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Figure 8

Figure 8: Service Differentiated and Adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems 