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In this paper, we focus on the energy consumption problem in heterogeneous networks with on-off switch operation for small cell base stations (SBS). In our scenario, the users in the small cell can either choose SBS when it is awaken or macro cell base station (MBS) to transmit data. The start-up cost is considered when SBS switches on. We suppose both the transmission power and the users' number...
In this paper, the leader-following consensus problem of multi-agent is studied. An adaptive design method is presented for multi-agent systems with non-identical unknown nonlinear dynamics, and for a leader to be followed that is also nonlinear and unknown. By parameterizations of unknown nonlinear dynamics of all agents, a purely decentralized adaptive consensus algorithm is proposed in networks...
Rapid development in wireless sensor device manufacture technologies has made it possible to conglutinate and implant the medical sensors on human body. The improvement of these technologies can be applied to wireless body area network (WBAN) on medical applications. A uniform standard in the field of WBAN, IEEE 802.15.6 has been released recently by IEEE 802.15 TG 6 group, indicating that WBAN will...
A dynamic recognition factor is proposed in this paper based on the concept of approximate entropy. We transform the DNA sequence into time sequence by graphical representation, and identify the similarity of DNA sequence by calculating the dynamic recognition factor between different DNA sequences. This method has been proofed available for the five DNA sequences.
Cooperative sharing of spectrum among one primary user (PU) and multiple secondary users (SUs) helps to enhance the throughput of the whole system. In this paper, we propose a two-tier game in the sharing of spectrum in which SUs make their decisions on whether to cooperate under replicator dynamics and the PU adjusts its strategy to allocate time slots for the cooperative SUs' transmission. Furthermore,...
In this study, flocking motion control algorithm of multi-agent network with dynamical topology is studied using fuzzy logic. Cooperative control algorithm is proposed for a group of autonomous agents to achieve flocking formations following a virtual agent. The control law consists of three terms. The first term is a gradient-based one designed using fuzzy logic; The second and third ones are for...
In this study, a novel procedure is presented for control and analysis of multiple autonomous agents with point mass dynamics achieving flocking motion using fuzzy logic. Two cooperative control laws are proposed for a group of autonomous agents to achieve flocking formations related to two different centers (mass center and geometric center) of the flock. The first one is designed for flocking motion...
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