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| 1 | Feedback Stabilization over Wireless Network Using Adaptive Coded Modulation显示文摘In this paper, we apply adaptive coded modulation (ACM) schemes to a wireless networked control system (WNCS)to improve the energy efficiency and increase the data rate over a fading channel. To capture the characteristics of varying rate,interference, and routing in wireless transmission channels, the concepts of equivalent delay (ED) and networked condition index (NCI)are introduced. Also, the analytic lower and upper bounds of EDs are obtained. Furthermore, we model the WNCS as a multicontroller switched system (MSS) under consideration of EDs and loss index in the wireless transmission. Sufficient stability condition of the closed-loop WNCS and corresponding dynamic state feedback controllers are derived in terms of linear matrix inequality (LMI).Numerical results show the validity and advantage of our proposed control strategies. | Li Yang Xin-Ping Guan~* Cheng-Nian Long Xiao-Yuan Luo Department of Electrical Engineering, University of Yanshan, Qinhuangdao 066004, PRC | 2008 | International Journal of Automation and computing2008，5，4： | 5 |
| 2 | Social-Aware Joint Mode Selection and Link Allocation for Device-to-Device Communication Underlaying Cellular Networks显示文摘Joint mode selection and link allocation are crucial to achieve the advantage of Device-to-Device(D2 D) communications in improving spectral efficiency. In practice, cellular users tend to not be totally altruistic or absolutely selfish. How to stimulate them to devote their links and how to allocate their links to D2 D pair candidates efficiently are two main challenges. In this paper, we encourage cellular users through the variable payment with regard to the social tie strength between cellular users and D2 D pair candidates. In particular, the social tie strength is inferred through a graph inference model and its impact on the payment is quantified as a negative exponential function. Then, we propose a resource scheduling optimization model based on the non-transferable utility coalition formation game, and a distributed coalition formation algorithm based on the Pareto preference and merge-and-split rule. From them, the final coalition structure is obtained, which reflects the strategy of mode selection and link allocation. Numerical results are presented to verify the effectiveness of our proposed scheme. | Lianxin Yang Dan Wu Hongkui Shi Yanshan Long Yueming Cai | 2018 | China Communications2018，15，8： | 1 |
| 3 | Underwater Optical Fiber Fluorescent System for Measuring Chlorophyll-a Concentration显示文摘Using optical fiber fluorescent technology,a new method for measuring alga concentration in water is presented. The system can realize on line measurement for alga concentration using He Ne laser as the light source. It can also effectively detect weak signals. The system with a passive sensor head has such advantages as simple structure, high sensitivity and high accuracy. It has been demonstrated that this system can be used to monitor water quality and can also be used to survey some matter. | WANG Li tian, YANG Ying, ZHENG Long jiang, WANG Yu tian (School of Electr. Eng., Yanshan University, Qinhuangdao 066004, CHN) | 2001 | Semiconductor Photonics and Technology2001，7，4： | 0 |
| 4 | Optical Fiber Thermometer Based on the Fluorescence Life time显示文摘Anew opticalfiberfluorometricthermometerbased onthetemperature dependence ofthefluorescencelifetime of phosphoris described. The phase-locked detection (PLD) system is used to measure fluorescencelifetime. The characteristics ofthermometerare discussed and the experimentresults are given. | ZHENG Long -jiang (Yanshan University,Qinhuangdao 066004 ,CHN) | 1999 | Semiconductor Photonics and Technology1999，5，4： | 0 |
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