用于电力物联网随机接入的低碰撞跳频通信系统

doi:10.11959/j.issn.1000-0801.2023018

电信科学 ›› 2023, Vol. 39 ›› Issue (1): 117-125.doi: 10.11959/j.issn.1000-0801.2023018

用于电力物联网随机接入的低碰撞跳频通信系统

杜书¹, 马玫¹, 赵波¹, 曾琦², 刘星²

¹ 国网四川省电力公司信息通信公司，四川成都 610041
² 四川大学电气工程学院，四川成都 610065

修回日期:2023-01-10 出版日期:2023-01-20 发布日期:2023-01-01
作者简介:杜书（1983- ），男，博士，国网四川省电力公司信息通信公司高级工程师，主要研究方向为电力通信技术应用
马玫（1982- ），女，国网四川省电力公司信息通信公司高级工程师，主要研究方向为电力通信
赵波（1987- ），男，国网四川省电力公司信息通信公司高级工程师，主要研究方向为电力通信运行
曾琦（1982- ），男，博士，四川大学电气工程学院副教授、硕士生导师，主要研究方向为能源互联网信息技术、电力物联网
刘星（1986- ），男，博士，四川大学电气工程学院副教授、硕士生导师，主要研究方向为电力通信技术与信息理论
基金资助:
国网四川省电力有限公司科技项目“泛在电力物联网感知层终端接入网研究”(52194719003K)

Low-hit frequency-hopping communication systems for power Internet of things random access

Shu DU¹, Mei MA¹, Bo ZHAO¹, Qi ZENG², Xing LIU²

¹ State Grid Sichuan Electric Power Company, Information Communication Company, Chengdu 610041, China
² College of Electrical Engineering, Sichuan University, Chengdu 610065, China

Revised:2023-01-10 Online:2023-01-20 Published:2023-01-01
Supported by:
The Science and Technology Project of State Grid Sichuan Electric Power Co., Ltd.“Research on Terminal Access Networks in Sensing Layer of Ubiquitous Power Internet of Things”(52194719003K)

摘要/Abstract

摘要：

通信网络是电力物联网数据采集和信息传输的必要组成部分。为了适应未来多种电力业务爆发式发展，接入灵活和扩展性强的无线通信技术是电力物联网发展方向之一。面向电力物联网节点大规模接入、接入时刻随机、信息传输安全可靠性高等特点，提出一种随机接入下具有低碰撞概率的电力跳频通信方式，采用移位跳频序列组合方法给出了该跳频图案的产生方法。并通过理论计算和仿真给出了这类跳频序列特性和电力跳频通信系统传输误码率性能。通过分析验证了所提新型低碰撞跳频序列及其通信系统可以满足电力物联网大规模接入、高可靠通信需求，具有较好的应用前景。

关键词: 电力物联网, 跳频通信系统, 低碰撞, 跳频序列, 误码率

Abstract:

The communication network is an essential component of the data acquisition and information transmission in power Internet of things (IoT).To meet the development requirements of multiple power service in the future, the wireless communication technique with flexible-access and high scalability is one of the development directions for power IoT.Due to the features of large-scale access, random access time, high security and reliability for information transmission of power IoT, a frequency-hopping (FH) technique with low-hit rate for random access was proposed.The construction algorithm of such FH pattern was based upon the combination and shift operation of conventional FH sequences.By the theoretical arithmetic and numerical simulation, the properties of the proposed FH pattern and the error-rate of the FH-based power IoT were evaluated.The analysis reveals that the new class of FH sequences and the system can meet the requirements of large-scale access and highly reliable communication for the power IoT, which has good application prospects.

Key words: power Internet of things, frequency-hopping communication system, low hit, frequency-hopping sequence, BER

中图分类号:

TM727.2

杜书, 马玫, 赵波, 曾琦, 刘星. 用于电力物联网随机接入的低碰撞跳频通信系统[J]. 电信科学, 2023, 39(1): 117-125.

Shu DU, Mei MA, Bo ZHAO, Qi ZENG, Xing LIU. Low-hit frequency-hopping communication systems for power Internet of things random access[J]. Telecommunications Science, 2023, 39(1): 117-125.

图/表 5

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对比项	频隙集大小q	序列长度L	LHZ/NHZ大小Z	序列数目M
LHZ跳频序列集	14	28	6	12
NHZ跳频序列集	14	28	6	2

序号	业务名称	可靠性需求
1	配电自动化（二遥）	≥ 95%
2	配电自动化（三遥）	≥ 95%
3	用电信息采集	≥ 90%
4	电动汽车充电桩	≥ 99％
5	精准负荷控制	≥ 99％
6	供电电压自动采集	≥ 95％
7	输配变机器巡检	无人机≥ 95％
		机器人≥ 95％
8	智能营业厅	≥ 90%
9	基建视频监控	≥ 90%
10	仓储管理	≥ 90%
11	综合能源	≥ 90%
12	变电站一键顺控及运维班	≥ 90％
	全面监视项目

用于电力物联网随机接入的低碰撞跳频通信系统

Low-hit frequency-hopping communication systems for power Internet of things random access

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