Dual Frequency MIMO Measurements in the 2.26-2.5 GHz Band
Dual Frequency MIMO Measurements in the 2.26-2.5 GHz Band
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2.26-2.5 GHz 频段的双频 MIMO 测量
DOI：
10.1002/wcm.573
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发表时间：
2006
期刊：
影响因子：
--
通讯作者：
S. Salous
中科院分区：
文献类型：
--
作者：
M. Matthaiou;N. Razavi;D. Laurenson;S. Salous
本文利用室内测量获得的数据，研究了双多输入多输出(MIMO)通信系统的性能。重点研究了各个频段的双向信道响应以及它们之间的相似程度。通常，当使用频分双工(FDD)系统时(例如在UMTS中)，研究来自上行链路的测量结果是否可以直接外推到下行链路方向(反之亦然)是至关重要的。通过应用著名的多信号分类(MUSIC)算法，评估了两个频段的角域性能。这里的初步结果是足够有希望的，因为联合光谱似乎非常相似，这意味着在两个波段的潜在传播机制也是相似的。
In this paper, we investigate the performance of a dual multiple Input multiple output (MIMO) communication system using the data obtained from an indoor measurement campaign. We focus on the double-directional channel response of each frequency band and the degree of similarity between them. In general, when a frequency division duplex (FDD) system is employed (as for example in UMTS) it is of vital importance to study whether the measurement results from the uplink could be directly extrapolated to the downlink direction (and vice versa). By applying the well known multiple signal classification (MUSIC) algorithm, the angular domain performance of both bands was assessed. The initial results herein are promising enough as the joint spectra seem to be remarkably similar implying that the underlying propagation mechanisms at both bands are also similar.