Wireless Ad Hoc and Sensor Networks

4 Admission Controller Design for High-Speed Networks:A Hybrid System Approach ...................................................1474.1 Introduction............................................................................................1474.2 Network Model .....................................................................................1504.3 Adaptive Traffic Estimator Design.....................................................1534.3.1 Estimator Structure...................................................................1544.3.2 Weight Updates for Guaranteed Estimation........................1554.4 Bandwidth Estimation, Allocation, and AvailableCapacity Determination .......................................................................1574.5 Admission Control................................................................................1594.6 Simulation Results ................................................................................1634.6.1 Adaptive Estimator Model......................................................1644.6.2 Network Model.........................................................................1644.6.3 Traffic Sources ...........................................................................1654.6.4 Simulation Examples ...............................................................1664.7 Conclusions ............................................................................................171References........................................................................................................1724.8 Problems .................................................................................................173Appendix 4.A..................................................................................................1735 Distributed Power Control of Wireless Cellularand Peer-to-Peer Networks.....................................................1775.1 Introduction............................................................................................1785.2 Distributed Power Control in the Presenceof Path Loss............................................................................................1805.2.1 Power Control Scheme by Bambos .......................................1825.2.2 Constrained Second-Order Power Control ..........................1825.2.3 State-Space-Based Controls Design .......................................1835.2.3.1 SIR Protection of an Active Link .............................1875.2.3.2 Bounded Power Overshoot ......................................1885.2.4 Distributed Power Control: Applicationto Cellular Networks................................................................1895.3 Admission Control of Users in a Wireless Network.......................2005.3.1 DPC with Active Link Protectionand Admission Control ...........................................................2045.3.2 DPC/ALP and Admission Controller Algorithm ...............2065.4 Distributed Power Control in the Presenceof Fading Channels...............................................................................2125.4.1 Radio Channel Uncertainties..................................................2125.4.1.1 Path Loss......................................................................2135.4.1.2 Shadowing...................................................................2135.4.1.3 Rayleigh Fading..........................................................213