620 Ingenieurwissenschaften und Maschinenbau
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Target of this Diploma Thesis is the development of a thermal simulation card to analyze the thermal behavior of a LTE PCIe Mini data card for GSM/UMTS based wireless networks in different environments. The power consumption of modern wireless communication systems has increased dramatically during the last years. Especially for the next generation of wireless modem cards the thermal dissipations will be slightly on or even beyond the official guidelines of the components and the whole card. To gain knowledge about the behavior of the data card, it shall be simulated with software as well as real hardware. As the ASIC components are not available yet, a hardware emulation shall be developed. The thesis covers the whole development process from the idea, the conception, the layout to the assembly and the measurements. It starts with finding a way of emulating the mounted components, measuring and powering. Afterwards a card, incorporating the principles found before, will be developed. An additional software simulation gives comparative values against the measurements. After assembling the emulation cards and running reference measurements, trials for temperature improvements will be ran and compared with the simulations.
The aim of this master thesis is to describe the key factors of successful energy efficiency projects. In particular, local conditions of such projects in Kazakhstan will be emphasized and a country-specific guideline will be provided at the end. The following topics will be covered in this thesis: energy efficiency technologies, financing, and capacities. The first part examines the energy efficiency approaches and their potential in the local industry. The second part deals with available financing methods, their specific characteristics and appropriateness for overcoming investment barriers in Kazakhstan. The third part of the master thesis concerns necessary project capacities. The application of the three elements for successful project implementation is described in the end.