中继与队列相结合的电力线通信AMRS的分组传输方法
发布时间：2019-06-13 09:32
【摘要】：为减少电力线信道时变性对自动抄表系统(automaticmeter-reading system,AMRS)计量数据传输效率的不利影响,提出了中继路由与分组队列相结合的方法。中继路由将整条通信链路分割成若干子链路,可以有效提高传输效率,但传输效率仍受制于信噪比(signal to noise ratio,SNR)最低的子链路。为充分利用每条子链路的最大传输效率,在中继路由的基础上,引入了分组队列机制。该方法根据接收和发送子链路的信道状况,动态调整分组队列长度,实现了发送子链路和接收子链路独立传输。由基于SNR的3状态Markov信道模型得到分组的平均发送次数,以该次数表示中继路由的分组接收速率和分组发送速率,建立了基于OPNET的M/M/1/K的AMRS分组排队模型。通过分析不同排队强度时的分组队列长度与队列延时等参数,验证了该方法能够提高传输效率。
[Abstract]:In order to reduce the adverse effect of power line channel time variability on the transmission efficiency of automatic meter reading system (automaticmeter-reading system,AMRS) measurement data, a method of combining relay routing with packet queue is proposed. Relay routing divides the whole communication link into several sublinks, which can effectively improve the transmission efficiency, but the transmission efficiency is still restricted by the lowest signal-to-noise ratio (signal to noise ratio,SNR) sublink. In order to make full use of the maximum transmission efficiency of each sublink, a packet queue mechanism is introduced on the basis of relay routing. According to the channel condition of the receiving and sending sublink, the packet queue length is adjusted dynamically, and the independent transmission of the sending sublink and the receiving sublink is realized. The average number of packets sent is obtained from the three-state Markov channel model based on SNR. The packet reception rate and packet transmission rate of relay routing are represented by this number, and the AMRS packet queuing model based on OPNET M/1/K is established. By analyzing the parameters such as packet queue length and queue delay at different queue intensities, it is verified that this method can improve the transmission efficiency.
【作者单位】： 华北电力大学电气与电子工程学院;
【基金】：国家自然基金项目(61172075) 中央高校基本科研业务费专项资金资助(916111204)~~
【分类号】：TM73
[Abstract]:In order to reduce the adverse effect of power line channel time variability on the transmission efficiency of automatic meter reading system (automaticmeter-reading system,AMRS) measurement data, a method of combining relay routing with packet queue is proposed. Relay routing divides the whole communication link into several sublinks, which can effectively improve the transmission efficiency, but the transmission efficiency is still restricted by the lowest signal-to-noise ratio (signal to noise ratio,SNR) sublink. In order to make full use of the maximum transmission efficiency of each sublink, a packet queue mechanism is introduced on the basis of relay routing. According to the channel condition of the receiving and sending sublink, the packet queue length is adjusted dynamically, and the independent transmission of the sending sublink and the receiving sublink is realized. The average number of packets sent is obtained from the three-state Markov channel model based on SNR. The packet reception rate and packet transmission rate of relay routing are represented by this number, and the AMRS packet queuing model based on OPNET M/1/K is established. By analyzing the parameters such as packet queue length and queue delay at different queue intensities, it is verified that this method can improve the transmission efficiency.
【作者单位】： 华北电力大学电气与电子工程学院;
【基金】：国家自然基金项目(61172075) 中央高校基本科研业务费专项资金资助(916111204)~~
【分类号】：TM73
【参考文献】
相关期刊论文 前10条
1 吴越;吕勇;曾功友;胡勇虎;王苏秀;李乃亮;周理宏;;面向配电网的ZigBee-AMRS系统分析与测试[J];电测与仪表;2007年09期
2 张有兵,程时杰,何海波,熊兰,J.Nguimbis;低压电力线高频载波通信信道的建模研究[J];电力系统自动化;2002年23期
3 徐魁,蒋t@瀛;基于GSM/GPRS通信的抄表系统[J];电力系统自动化;2004年17期
4 张有兵,曹一家,程时杰;低压电力线正交频分复用系统同步问题的量化研究[J];电力系统自动化;2004年18期
5 陈博;徐建政;刘霄;;新型微功率无线抄表系统[J];电力自动化设备;2011年05期
6 陈可;胡晓光;丁健;;基于自动抄表系统的复费率载波电能表设计及中继算法研究[J];电力自动化设备;2011年08期
7 谢志远;吴晓燕;杨星;胡正伟;;10kV电力线载波通信自动组网算法[J];电力系统自动化;2012年16期
8 龚国强;葛万成;;基于IEEE 802.15.4 MAC协议电能量自动抄表系统[J];同济大学学报(自然科学版);2008年10期
9 罗春风,程时杰,熊兰,舒辉,NGUIMBIS Joseph;基于多层感知器的低压电力线时变信道非线性均衡方法[J];中国电机工程学报;2005年04期
10 谢志远;耿p，
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