[1]甄 雪,张闪闪.一种分布式的基于预留的多信道 MAC 协议[J].计算机技术与发展,2020,30(01):54-59.[doi:10. 3969 / j. issn. 1673-629X. 2020. 01. 010]
　ZHEN Xue,ZHANG Shan-shan.A Distributed Reservation-based Multi-channel MAC Protocol in Wireless Sensor Networks[J].Computer Technology and Development,2020,30(01):54-59.[doi:10. 3969 / j. issn. 1673-629X. 2020. 01. 010]
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一种分布式的基于预留的多信道 MAC 协议()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
30
期数:
2020年01期
页码:
54-59
栏目:
智能、算法、系统工程
出版日期:
2020-01-10

文章信息/Info

Title:
A Distributed Reservation-based Multi-channel MAC Protocol in Wireless Sensor Networks
文章编号:
1673-629X(2020)01-0054-06
作者:
甄 雪; 张闪闪
曲阜师范大学 信息科学与工程学院,山东 日照 276826
Author(s):
ZHEN Xue; ZHANG Shan-shan
School of Information Science and Engineering,Qufu Normal University,Rizhao 276826,China
关键词:
无线传感器网络; 多信道; MAC 协议; 时延
Keywords:
wireless sensor networks; multi-channel; MAC protocol; delay
分类号:
TP31
DOI:
10. 3969 / j. issn. 1673-629X. 2020. 01. 010
摘要:
无线传感器网络(wireless sensor networks,WSNs)已经广泛应用于各个领域。 许多领域利用了周期性数据汇聚,传感器节点周期性地产生数据包,通过一系列中继节点传输到汇聚节点。 提出了一种分布式的基于预留的多信道 MAC 协议,称为 R-MMAC 协议,其中利用了预留机制和多信道通信机制,在多信道条件下,每个节点传输数据包时都将预留下一个数据包的传输,根据接收信号强度指示(received signal strength indication,RSSI)值选择自己的最佳信道进行预留。 另外,还提出了针对预留时发生冲突的解决算法,利用信干噪比(signal to interference and noise ratio,SINR)和数据包接收率(packet reception rate,PRR)得到了预留的传输时间,从而降低了传感器节点到汇聚节点的传输时延和未来数据包的冲突概率。 利用 OMNET++5.3 仿真工具对 R-MMAC 协议、X-MAC 和 EM-MAC 协议进行了比较,结果表明 R-MMAC 协议实现了更低的端到端时延。
Abstract:
Wireless Sensor Networks (WSN) has been widely used in various fields. Periodic data aggregation is used in many fields. Sensor nodes generate data packets periodically and transmit them to sink nodes through a series of relay nodes. We propose a distributed reservation-based multi - channel MAC protocol called R-MMAC protocol. The reservation mechanism and the multi-channel communication mechanism are utilized. Under the multi-channel condition,each node will reserve the transmission of the next data packet when transmitting the data packet,and select its own optimal channel according to the received signal strength indication (RSSI). In addition,we propose a resolution algorithm for collision during reservation.The number of retransmissions is obtained by using the signal to interference and noise ratio (SINR) and the packet reception rate (PRR),thereby,the transmission delay of the sensor node to the sink node and the collision probability of the future data packet are reduced. We use the OMNET++5.3 simulation tool to compare the R-MMAC protocol,X-MAC and EM-MAC protocol,and the results show that the R-MMAC protocol achieves lower end-to-enddelay.

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更新日期/Last Update: 2020-01-10