qing dao di tie 3 hao xian min yong tong xin 4g yin ru de bi yao xing
Author(s): CHEN Minghua
Pages: 67-69
Year: 2015 Issue: 5
Journal: Railway Signalling & Communication Engineering
Keyword: 4G system; necessity;
Abstract: Based on the comparison and analysis of the necessity, system requirements and technical solutions of the 4G system in public communication of Qingdao metro line 3, the paper puts forward that the 4G system should be introduced into the public communication of line 3 with simultaneous construction of 2G and 3G systems.
Pages: 67-69
Year: 2015 Issue: 5
Journal: Railway Signalling & Communication Engineering
Keyword: 4G system; necessity;
Abstract: Based on the comparison and analysis of the necessity, system requirements and technical solutions of the 4G system in public communication of Qingdao metro line 3, the paper puts forward that the 4G system should be introduced into the public communication of line 3 with simultaneous construction of 2G and 3G systems.
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