配用电无线通信专网在复杂地理环境下的应用研究

doi:10.11959/j.issn.1000-0801.2015134

Abstract

Abstract:

The research in wireless communication network construction and application for power grid distribution and consumption were focused on. The needs and urgency of wireless network construction in the less complex areas were analyzed. The function，performance and economical requirement of the power grid wireless network was explored，including the comparison of common kinds of wireless network combining the needs of distribution and consumption in power grid. LTE230 system has been recommended for power grid wireless communication network. As the result，the way of construction and application model for promoting the social stability and harmonious sustainable development was given.

Key words: smart grid, distribution power grid, wireless communication private network, LTE230, 4G

Zhihua Guo,Xiaohui Xue,Na Li,Jiangfei Wan,Ping Chen,Xi Lin,Qinfeng Jing. Application Research on Wireless Communication Private Network of Distrbution Power Grid for Special Areas[J]. Telecommunications Science, 2015, 31(5): 165-172.

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References 7

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项目	“LTE230”系统	McWiLL	数传电台
采用标准	3GPP 4G	信威自主技术	-
频谱资源	电力已有频谱	新申请	电力已有频谱
调制编码	自适应（先进）	自适应（先进）	低阶（落后）
纠错技术	先进	先进	落后
信道编码	先进	先进	落后
干扰协调	支持	无	无
离散频率	支持	不支持	支持
载波聚合	支持	无	无
双工技术	TDD	TDD	FDD/TDD
适用业务	数据采集/实时控制/视频监控	数据采集/远程控制/视频监控	数据采集
工作频段	230 MHz	1 800 MHz、400 MHz	230 MHz
安全性	高	高	低
频带占用	N×25 kHz（N=1，2，…，340）；离散频谱	5 MHz；连续频带	25 kHz
单小区最大在线终端数/个	2 000	300	-
实时性	高	高	低
覆盖能力	广域覆盖	普通覆盖	广覆盖
峰值速率	上行/下行：14.96/5.8 Mbit/s （8.5 MHz）	上下行共15 Mbit/s （5 MHz）	1.2～19.2 kbit/s
峰值速率/1 MHz带宽	上行/下行：1.76 Mbit/s、0.71 Mbit/s	1.5 Mbit/s	不支持

项目	指标
工作频段	223.025～235 MHz
多址方式	OFDM多址方式
双工方式	TDD双工方式
调制方式	QPSK、16QAM和64QAM
基站信道带宽	离散8.5 MHz
单小区吞吐量	峰值速率14.96 Mbit/s
单小区在线用户数	2 000个
终端峰值速率	峰值速率1.76 Mbit/s
覆盖半径	密集城区3 km、郊区10 km、农村30 km
接收灵敏度	-120 dBm

RSRP分布区间	分布点数	百分比
-90 ～ -10 dBm	68 215	27.28%
-100～ -91 dBm	70 708	28.28%
-110 ～ -101 dBm	76 256	30.49%
-117 ～ -111 dBm	18 136	7.25%
-150 ～ -118 dBm	16 750	6.70%

调制方式	外场验证速率均值/（Mbit·s^-1）	实验室验证速率均值/（Mbit·s^-1）	传输速率理论值/（Mbit·s^-1）
QPSK	0.2～0.42	0.423	0.423 4
16QAM	0.7～0.88	0.882	0.939 8
64QAM	1～1.58	1.742	1.76

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Application Research on Wireless Communication Private Network of Distrbution Power Grid for Special Areas

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