Wireless Ad Hoc and Sensor Networks
Wireless Ad Hoc and Sensor Networks Wireless Ad Hoc and Sensor Networks
Distributed Power Control of Wireless Cellular and Peer-to-Peer Networks 1990.70.6SSCDOptimalBambosComparision of total power plot0.5Total power0.40.30.2OptimalSSCDBambos0.100 200 400 600 800 1000Time units1200 1400 1600 1800FIGURE 5.15Total power consumed.1.8Total power of all nodes1.61.41.2Total power10.80.60.40.200 100 200 300 400Iterations500 600 700FIGURE 5.16Total power with optimal DPC scheme.
200 Wireless Ad Hoc and Sensor Networks2.5Total power of all nodes2Total power1.510.500 100 200 300 400 500 600 700IterationsFIGURE 5.17Total power with SCSD scheme.scheme (see Figure 5.17). Here a node, which is dropped, gets added tothe network after waiting for a period of “dormant time.” The optimalDPC scheme for this scenario results in an optimal selection of the gainvalue for each link as k 1 = 0.1654 and k 2 = 0.1330, whereas for the SSCDscheme the gains, k 1 = 0.3 and k 2 = 0.5, are selected after careful analysis.In both the cases, the new links are updated with k 1 = 0.1 and k 2 = 0.1.As seen from Figure 5.16 and Figure 5.17, the total power consumed byall transmitters is small for the optimal DPC scheme compared to theSSCD scheme.5.3 Admission Control of Users in a Wireless NetworkIn the previous section, transmitter power control is detailed for cellularand peer-to-peer networks. In this section, admission control of new usersis treated with DPC. Then the DPC/ALP with admission controller algorithmis presented in a unified manner.
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Distributed Power Control of <strong>Wireless</strong> Cellular <strong>and</strong> Peer-to-Peer <strong>Networks</strong> 1990.70.6SSCDOptimalBambosComparision of total power plot0.5Total power0.40.30.2OptimalSSCDBambos0.100 200 400 600 800 1000Time units1200 1400 1600 1800FIGURE 5.15Total power consumed.1.8Total power of all nodes1.61.41.2Total power10.80.60.40.200 100 200 300 400Iterations500 600 700FIGURE 5.16Total power with optimal DPC scheme.
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