Multi-channel scheduling strategy in smart distribution network

doi:10.11772/j.issn.1001-9081.2017102444

Abstract

Abstract: In order to effectively improve the Quality of Service (QoS) of wireless sensor network-based distribution network and further enhance the real-time and reduce the delay in a distribution network, a multi-channel scheduling strategy based on priority was proposed. First of all, a Link routing algorithm Based on Minimum Hop Spanning Tree (LB-MHST) was proposed to overcome the radio frequency interference and ensure the service quality of the smart grid according to the information of real-time channel state. Then, according to the different delay requirements of different data packets in the distribution network, the priority of data transmission was considered, which effectively improved the data transmission efficiency of the sensing node and further satisfied the QoS requirements in the distribution network. The experimental results show that the proposed algorithm can improve the real-time performance by 12 percentage points, 15.2 percentage points and 18 percentage points, compared with the Minimum Hop Spanning Tree (MHST) algorithm, under the cases with one channel, 8 channels and 16 channels.

Key words: distribution network, priority, multi-channel scheduling, Wireless Sensor Network (WSN), master station

摘要： 为了有效提高基于无线传感网的配电网服务质量，进一步增强配电网中数据实时性，减少延迟，提出了一种基于优先级的多信道调度策略。首先，根据实时的信道链路状态信息，提出了基于最小跳数生成树的链路路由算法（LB-MHST），克服了无线射频干扰，保证智能电网的服务质量；然后，针对配电网中不同数据包对于延迟要求的不同，考虑了数据优先级传输，有效地提高了感知节点的数据传输效率，进一步满足了配电网中的QoS性能要求。实验结果表明，与最小跳数生成树（MHST）算法相比，尤其是在多信道延迟感知传输中，提出算法在单信道、8信道和16信道时分别将高负载流量延迟性能提高了12%，15.2%和18%。

关键词: 配电网, 优先级, 多信道调度, 无线传感网, 主站

CLC Number:

TP393.04

BAO Xingchuan, PENG Lin. Multi-channel scheduling strategy in smart distribution network[J]. Journal of Computer Applications, 2018, 38(5): 1476-1480.

鲍兴川, 彭林. 智能配电网通信多信道调度策略[J]. 计算机应用, 2018, 38(5): 1476-1480.

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