F. Heereman, W. Joseph, E. Tanghe, D. Plets, L. Martens
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引用次数: 2
摘要
在本文中，基于路径损耗(PL)测量确定了大型会议室中802.11n的路径损耗(PL)模型。PL可以用一个标准差的单斜率模型准确地描述。发现PL指数在1.2到1.7之间变化。基于该PL模型，研究了频率(2.4 vs 5 GHz)、配置(SISO vs MIMO(空间分集))、带宽(20 vs 40 MHz)和发射功率对接入点数量、总功耗和可能的(物理)吞吐量的影响。根据确定的PL模型，更高的范围(通过调整发射功率)需要更少的接入点，以及更低的总功耗，因为PL指数低于2。
Development of path loss model for 802.11n in large conference rooms
In this paper, a path loss (PL) model for 802.11n in large conference rooms is determined, based on PL measurements. The PL can be described accurately by a one-slope model with one standard deviation. PL exponents varying from 1.2 to 1.7 are found. Based on this PL model, the effect of frequency (2.4 vs 5 GHz), configuration (SISO vs MIMO (spatial diversity)), bandwidth (20 vs 40 MHz) and transmit power on number of access points, total power consumption and possible (physical) throughputs is investigated. According to the determined PL model, a higher range (by tuning the transmit power) requires less access points, as well as a lower total power consumption, due to a PL exponent lower than 2.
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