Sylvian Kaiser

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Heat dissipation is assumed to be one of the major challenges in the promising 3D integration technology. Very fine grain structures like TSVs and μ-bumps have considerable impact on heat dissipation properties. However, properly considering individual details of multi-length scale systems is still a challenge for efficient system-level thermal(More)
We investigate rotated Walsh-Hadamard spreading matrices for a coded MC-CDMA system in the synchronous downlink with robust channel estimation. Rotated Walsh-Hadamard spreading sequences increase the signal space diversity. The signal space diversity improves the performance in frequency and time selective fading channels. The Hamming distance of the(More)
This paper focuses on the determination of the solid circulation of a CFB gasification system with a dual fluidized bed concept and the distribution of the solid hold up at different fluidization conditions. A mathematical model of the riser was designed and implemented in a model of a dual fluidized bed system. This model contains routines for calculation(More)
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