High-resolution cross-estimation channel modelling method and experimental results on broadband mobile communication in urban rich-scattering environment |
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Authors: | Ping Wang YingZhe Li Kun Sun and TianHang Gou |
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Affiliation: | [1]Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China [2]Graduate University of Chinese Academy of Sciences, Beijing 100039, China |
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Abstract: | For the IMT-advanced broadband mobile communication systems, an accurate broadband channel model is significant to the system
design. However, the broadband channel impulse response (CIR) becomes sensitive to the complex propagation impacts of both
specular path and diffuse dense path in a rich-scattering environment. We propose a cross-estimation (CE)-based channel modeling
method by which the dense diffusion components can be identified independently and separated successfully from the overall
CIR. As a result, the parameter estimation accuracy can be obviously improved, regardless of the complex diffusion impact
in a rich scattering environment. Both theoretical derivation and experimental results are given to validate it based on the
typical broadband channel measurement with 100 MHz bandwidth at 2.6 GHz in an urban hotspot scenario in Shanghai. |
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Keywords: | cross-estimation channel model channel measurement channel impulse response IMT-advanced mobile communication |
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