800兆赫波段的室内时间变化

Asia-Pacific Conference on Environmental Electromagnetics, 2003. CEEM 2003. Proceedings. Pub Date : 1900-01-01 DOI:10.1109/CEEM.2003.238476

Y. Mohammed, A. S. Abdallah, Y.A. Liu

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引用次数: 1

摘要

通过在800 MHz的UHF频率下进行视线(LOS)和受阻视线(OLOS)环境下的宽带传播测量，研究和确定了室内无线电信道的空间和短时变化。结果表明，多径功率在(OLOS)通道中的空间波动要大于(LOS)通道。此外，(LOS)通道的短波动比(OLOS)通道的短波动更大。所得结果可用于宽带无线局域网的设计，并为建立能够预测各种条件下信道时间变化特性的理论模型奠定基础。

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Indoor temporal variations at 800 MHz band

The spatial and short time variations in the indoor radio channel are studied and determined by performing wideband propagation measurements in line of sight (LOS) and obstructed line of sight (OLOS) environments at UHF frequency of 800 MHz. It is shown that the spatial fluctuations in multipath power are more in (OLOS) than (LOS) channel. Moreover, it is shown that the short fluctuations in multipath power are higher for (LOS) than for (OLOS) channel. The results presented may be used in the design of broadband wireless LAN and serve as a basis for the development of theoretical model capable of predicting channel temporal variation characteristics under a variety conditions.

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Asia-Pacific Conference on Environmental Electromagnetics, 2003. CEEM 2003. Proceedings.

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