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With the rapid development of computer networks, a variety of network applications continue to emerge, resulting in a surge of network data traffic. Therefore, the network congestion becomes more serious. Congestion control is facing many problems, including latency, fairness, stability and so on, especially the instability of the network caused by transmission delay. We introduce the traditional...
A new method is proposed for stability of load frequency control (LFC) scheme with fixed and time-varying delay cases included. Novel conditions with delay dependency in terms of LMI for LFC systems are derived by an augmented Lyapunov-Krasovski (L-K) functional. Our proof deployment for stability analysis of power grid applies the further improved integral inequality in truncated infinite series...
The paper addresses the delay-dependent stability problem for linear systems with time-varying delay. Novel delay-dependent stability criteria in terms of linear matrix inequalities for systems with state time-varying delay are derived by the newly proposed augmented Lyapunov-Krasovski (L-K) functional. A matrix-type quadratic convex combination approach is introduced to prove the negative definiteness...
As a promising communication paradigm, Cognitive Radio Networks (CRNs) have paved a road for Secondary Users (SUs) to opportunistically exploit unused licensed spectrum without causing unacceptable interference to Primary Users (PUs). In this paper, we study the distributed data collection problem for asynchronous CRNs, which has not been addressed before. We study the Proper Carrier-sensing Range...
Hundreds or thousands of wireless sensor nodes with limited energy resource are randomly scattered in the observation fields to extract the data messages for users. Because their energy resource cannot be recharged, energy efficiency becomes one of the most important problems. LEACH is an energy efficient protocol by grouping nodes into clusters and using cluster heads (CH) to fuse data before transmitting...
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