The proposed medium access control (MAC) design is designed for machine-type communications in the industrial internet of things . The proposed MAC can support 1000 devices under an aggregated traffic load of 3000 packets per second with a single channel and achieve <0.5ms average delay and <1% average collision probability among 50high priority devices . The two-stepapproach ensures the accuracy and granularity necessary for satisfying the QoSrequirements and avoids excessive complexity from handling a large number of devices. Integrating the distributed coordination in the protocol design fromPart I and the centralized scheduling from this part, the proposed MAC protocolachieves high performance, demonstrated through extensive simulations. Forexample, the results show that the proposedMAC can support1000 devices underan aggregated Traffic load of 3,000 packets perSecond with a one channel andachieve < 0.5 ms average delay, respectively . The proposal is demonstrated through simulations. The proposedMAC protocolachieve high performance. The proposal was demonstrated through .

Author(s) : Jie Gao, Mushu Li, Weihua Zhuang, Xuemin, Shen, Xu Li

Links : PDF - Abstract

Code :
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Keywords : devices - mac - high - demonstrated - average -

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