Empirical Analysis of 2×2 Outdoor-Indoor MIMO Channels for FBWA Applications

MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI:10.1109/MELCON.2006.1653176

R. Jaramillo, Ó. Fernández, R. Torres

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引用次数: 5

Abstract

The use of multiple antennas at both sides of the communication channel strongly improves the performance of the wireless communication system, increasing spectral efficiency and/or channel reliability. These advantages are very suitable for wireless local area networks (WLAN) and wireless metropolitan area networks (WMAN). This paper focuses on the study of fixed wireless broadband access (FWBA) services in metropolitan areas, making two main contributions. First, the experimental characterization of a 2times2 MIMO channel at a frequency of 2.4 GHz in canonical outdoor-indoor scenarios is presented. The channel characterization performed includes the analysis of the spatial correlation between the MIMO system subchannels and its impact on the channel capacity. Second, on the basis of the capacity results obtained, a proposal is made for the use of a 2times2 MIMO system in outdoor-indoor scenarios for FBWA applications in metropolitan environments. The proposal is based on the hypothesis, verified experimentally, that the path loss due to building penetration can be practically compensated by the diversity gain of 2times2 systems

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2×2户内外MIMO信道的FBWA应用实证分析

在通信信道的两侧使用多个天线，极大地提高了无线通信系统的性能，提高了频谱效率和/或信道可靠性。这些优点非常适用于无线局域网(WLAN)和无线城域网(WMAN)。本文主要对城域固定无线宽带接入(FWBA)业务进行了研究，主要有两个方面的贡献。首先，给出了典型室内外场景下2.4 GHz频率下2times2 MIMO信道的实验表征。所执行的信道特性包括MIMO系统子信道之间的空间相关性及其对信道容量的影响的分析。其次，根据所获得的容量结果，提出了在城域环境下FBWA应用的室内外场景中使用2times2 MIMO系统的建议。该建议是基于假设，并通过实验验证，由于建筑穿透的路径损耗实际上可以由2倍2系统的分集增益补偿

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MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference

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