基于230MHz电力专用频谱的载波聚合技术

CAO Jinping

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基于230MHz电力专用频谱的载波聚合技术

更新时间：2025-08-13

- 基于230MHz电力专用频谱的载波聚合技术
- Automation of Electric Power Systems Vol. 37, Issue 12, Pages: 63-68(2013)
- 作者机构：
  
  中国电力科学研究院,北京市,100192
- 作者简介：
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- DOI：
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- Published：2013
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CAO Jinping. [J]. Automation of electric power systems, 2013, 37(12): 63-68.
DOI：

CAO Jinping. [J]. Automation of electric power systems, 2013, 37(12): 63-68. DOI：

摘要

无线专网通信技术是中低压通信接入网络中的重要组成部分，但频谱资源的有限性是制约电力无线专网技术发展的重要因素。目前电力专用230MHz频谱只能支持很低的传输速率和频谱效率，为了提高频谱效率，承载更高传输速率的业务，文中提出了在该频段上使用载波聚合技术。结合230MHz频段特点，设计出载波聚合的数字电路。为验证载波聚合的实现效果，对230 MHz频谱上使用载波聚合后的传输速率进行估算，并在新型电力无线宽带系统中进行实验验证。计算和实验结果都表明:通过载波聚合技术，该频段的频谱效率有显著提高。

Abstract

Although the wireless private network is an important part of the middle and low communication access networks;its development is restricted by the limited spectrum.The dedicated band of230MHz can only get very low transmission rate and spectrum effectiveness.In order to improve the spectrum effectiveness and get higher transmission rate，carrier aggregation is suggested to be used in this band.According to the characteristics of230MHz band，this paper proposes a digital circuit to realize the functions of carrier aggregation.In order to test the effectiveness of the carrier aggregation at the power dedicated spectrum，the transmission rate is estimated and experiment was carried out on the new electric power wireless broadband system.The result shows that the spectrum effectiveness of the power dedicated spectrum has been distinctly improved by carrier aggregation.

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