蜂窝式MC-CDMA下行系统的建模与分析

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754) Pub Date : 2004-09-05 DOI:10.1109/PIMRC.2004.1370856

S. Plass, S. Sand, G. Auer

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引用次数: 28

摘要

提出了用于MC-CDMA下行场景的多小区环境的概念;它基于考虑路径损耗和阴影的传播模型。研究了相邻单元间的干扰，并采用高斯近似法简化了干扰模拟。干扰细胞的主要影响被限制在所需细胞的外围区域。特别地，通过仿真表明，遗传算法对于碰撞干扰信号是一个合适的假设。这大大降低了大量干扰单元的模拟复杂性，例如，所需单元周围的一层或两层。

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Modeling and analysis of a cellular MC-CDMA downlink system

The concept of a multi-cell environment for an MC-CDMA downlink scenario is presented; it is based on a propagation model taking into account path loss and shadowing. The interference of adjacent cells is studied and the Gaussian approximation (GA) is investigated for simplifying the interference simulation. The major influence of the interfering cells is restricted to the peripheral area of the desired cell. In particular, it is shown, by simulations, that the GA for the impinged interference signals is an appropriate assumption. This drastically decreases the simulation complexity for a high number of interfering cells, e.g., one or two tiers around the desired cell.

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来源期刊

2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE Cat. No.04TH8754)

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