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In this paper a generic 2D Ray tracing channel modeling tool is proposed. The proposed tool has been optimized for GPU architecture. Two examples for different types of applications have been presented and used to profile the tool. Comparative results have been presented for different parameters and examples. Due to its high speed, the proposed tool is useful for system optimization for large EM problems...
In this paper, using common source topology, a 5 stages low noise and high gain amplifier has been designed. In the next section, an accurate model for passive components and transistor based on the measured S-parameters of each component have been derived. LNA design, optimization and simulated result has been presented in the last section.
A novel design strategy has been proposed for multiple antenna elements in MIMO systems to maximize the system capacity. Firstly, one single antenna has been effectively designed by HFSS software. Since it is very difficult to optimize the MIMO antenna parameters using HFSS, the single antenna has been modeled by a magnetic current to be used in optimization procedure. The magnetic current distribution...
A MIMO antenna design optimization method based on minimization of correlation coefficients for maximizing the system capacity in multiple-input multiple-output (MIMO) systems is presented. The packaging effects on radiation field patterns of MIMO antenna elements have also been included using a reciprocity approach and method of moments (MoM) analysis. As practical examples, optimal location of two...
In this paper, we investigated the performance of a linear uniform array, as it is usually used in the Multi-Input-Multi-Output (MIMO) systems. By using the Phased Array (PA) techniques we investigated the effect of pattern rotation on the system capacity. We introduce a new approach to realize maximum achievable capacity through pattern diversity by using multi-beam phased array antenna. The ray-tracing...
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