| GSM-R网络小区半径和重叠区规划 |
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| 引用本文： | 任静,黄吉莹,钟章队.GSM-R网络小区半径和重叠区规划[J].铁道通信信号,2007,43(5):38-40. |
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| 作者姓名： | 任静 黄吉莹 钟章队 |
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| 作者单位： | 北京交通大学,100044,北京 |
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| 摘 要： | 随着GSM-R网络在中国铁路的广泛应用，网络预规划作为网络建设的一个重要步骤，得到了重视。结合铁路通信的特点，在高速和普速环境下，采用Hata模型对典型的5种地理环境进行建模，并结合链路平衡预算，给出小区覆盖半径的规划方法，同时，利用同频干扰与小区重叠区的关系，给出小区重叠区的规划方法。
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| 关 键 词： | Hata模型 覆盖半径 链路预算 重叠区 |
| 修稿时间： | 2006-12-30 |
Cell Radius And Overlay Region Calculation of GSM-R Network |
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| Ren Jing,Huang Jiying,Zhong Zhangdui.Cell Radius And Overlay Region Calculation of GSM-R Network[J].Railway Signalling & Communication,2007,43(5):38-40. |
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| Authors: | Ren Jing Huang Jiying Zhong Zhangdui |
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| Abstract: | With broad application of GSM-R network in Chinese railways, calculation of network coverage attracts considerable attention as an important step in network planning. According to the characteristics of communication in railway and respectively in conditions of high speed and common speed, five typical railway environments are modeled by means of Hata model. Together with the link balance budget, the paper gives the method of calculating cell radius. Meanwhile, with the relation between co-channel interference and overlaid region, the paper introduces the calculation method of overlaid region extent. |
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| Keywords: | Hata model Coverage radius Link budget Overlaid region |
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