Hongbing Zhang

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— This paper presents the dynamic reservation protocol for supporting variable-rate data services on time-division multiple-access based wireless networks. It allows a large number of data terminals to access data applications by sharing a reserved data-carrier. Through dynamic reservation data terminals can get their needed radio channels for uplink(More)
According to the Smart Car Competition of the sixth FRESSCALE, we make a modeling analysis and control to the model car of Optical Group A. In this article, it mainly analyzes the car's determination of motor parameters and constructs a mathematical model of motor system. At first, parameter tune by the MATLAB software, and then control by the integration(More)
Design a digital thermometer based on 89s52 MCU, which uses DS18B20 as temperature sensor, CC1100D for data transmission and LCD for data displaying. We focus on introducing the communication between MCU and DS18B20 as well as the CC1100D. With simple structure, this system is efficient. With easy installation and stable adaptability, it will have broad(More)