蜂窝小区边缘同频嵌入垂直覆盖的网络性能

朱近康; 邓娜; 赵明

doi:10.11959/j.issn.1000-436x.2015002

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蜂窝小区边缘同频嵌入垂直覆盖的网络性能

学术论文 | 更新时间：2024-06-05

- 蜂窝小区边缘同频嵌入垂直覆盖的网络性能
- Performance of cellular network embedded in the cell edge with vertical coverage by co-frequency
- 通信学报 2015年36卷第1期页码：9-17
- 作者机构：
  
  中国科学技术大学电子工程与信息科学系，安徽合肥 230027
- 作者简介：
  
  [ "朱近康（1943-），男，四川内江人，中国科学技术大学教授、博士生导师，主要研究方向为绿色无线移动通信、新一代高效无线移动通信、无线移动通信信号处理等。" ]
  [ "邓娜（1988-），女，吉林长春人，中国科学技术大学博士生，主要研究方向为中继协作通信、绿色通信、异构网络覆盖。" ]
  [ "赵明（1976-），男，安徽铜陵人，中国科学技术大学讲师，主要研究方向为绿色通信、中继技术及异构网络等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61172088);国家高技术研究发展计划（“计划”）基金资助项目(SS2012AA011702);国家高技术研究发展计划（“863”计划）基金资助项目(2014AA01A702)
- DOI：10.11959/j.issn.1000-436x.2015002
  中图分类号： TN929.53
- 网络出版日期：2015-01，
  
  纸质出版日期：2015-01-25
- 稿件说明：
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朱近康, 邓娜, 赵明. 蜂窝小区边缘同频嵌入垂直覆盖的网络性能[J]. 通信学报, 2015,36(1):9-17.

HUJin-kang Z, ENGNa D, HAOMing Z. Performance of cellular network embedded in the cell edge with vertical coverage by co-frequency[J]. Journal on communications, 2015, 36(1): 9-17.
朱近康, 邓娜, 赵明. 蜂窝小区边缘同频嵌入垂直覆盖的网络性能[J]. 通信学报, 2015,36(1):9-17. DOI： 10.11959/j.issn.1000-436x.2015002.

HUJin-kang Z, ENGNa D, HAOMing Z. Performance of cellular network embedded in the cell edge with vertical coverage by co-frequency[J]. Journal on communications, 2015, 36(1): 9-17. DOI： 10.11959/j.issn.1000-436x.2015002.

摘要

提出一种在蜂窝小区边缘同频嵌入垂直覆盖的新型混合小区网络结构，具有抑制小区间干扰和提高边缘信干比等优点。该网络结构是以不改变目前蜂窝网络“水平覆盖”结构的前提下，在小区边缘干扰区域同频嵌入天线波束为垂直向下的微小基站，称作“垂直覆盖”，因此易于实际操作和实现。首先分析了蜂窝小区水平覆盖的干扰深度，垂直覆盖基站的干扰特性及各自的频谱效率。随后，针对提出的蜂窝小区边缘同频嵌入垂直覆盖的网络结构，分别研究了混合小区的水平覆盖中心区域和垂直覆盖小区边缘区域的频谱效率。结果表明，提出的新型混合小区网络结构，能有效抑制蜂窝小区间干扰，改善小区边缘性能，实现更高的频谱效率。

Abstract

A new hybrid cellular network structure is proposed

where the small base stations equipped with the downward vertical coverage of antenna beam are embedded in the cell edge of current cellular using the same frequency

thereby suppressing the inter-cell interference and improving the signal to interference ratio in the cell edge.Specifically

the radio coverage of these small stations is called vertical coverage

and the coverage of current cellular is called horizontal coverage.Since the proposed network structure does not modify the current cellular network infrastructure

it is easy to operate and implement.The cell interference depth and the interference characteristics in the horizontal coverage and the vertical coverage

as well as their spectral efficiencies are analyzed respectively.Then

the spectral efficiencies of the cell center and the cell edge with vertical coverage are investigated concerning on the proposed new hybrid cellular network structure.The results show that the new hybrid cellular network structure proposed can suppress inter-cell interference and improve cell-edge performance effectively

while achieving higher spectral efficiency.

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Keywords

references

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