期刊
IEEE TRANSACTIONS ON COMMUNICATIONS
卷 68, 期 9, 页码 5878-5891出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCOMM.2020.3001614
关键词
Antenna measurements; Antenna arrays; Frequency measurement; Area measurement; Heuristic algorithms; 5G mobile communication; Attenuation; Millimeter-wave (mm-wave); parameter estimation; clustering; birth-death behavior; dynamic channel
资金
- Huawei technologies and InnoExplorer project - Innovation Fund Denmark [2019 9122-00089A]
In this contribution, a recently conducted measurement campaign for indoor millimeter-wave (mm-wave) propagation channels is introduced. A vector network analyzer (VNA)-based channel sounder was exploited to record the channel characteristics at the frequency band from 28-30 GHz. A virtual uniform circular array (UCA) with a radius of 0.25 m was formed using a rotator with 360 steps. Moreover, by taking advantage of fiber-optic technique applied in the channel sounder, measurements at 50 positions were performed from an indoor hall to an indoor corridor along a long pre-defined route. A low-complexity high-resolution propagation estimation (HRPE) algorithm is exploited to estimate the propagation parameters of multipath components (MPCs). Based on the HRPE estimation results, a novel clustering identification and tracking algorithm is proposed to trace clusters. Composite channel characteristics, cluster-level characteristics and dynamic (or birth-death) behaviours of the clusters are investigated, which constitute a dynamic model for the indoor mm-wave channel.
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