Massive Machine Type Communication (mMTC) is one application scenario of 5G system to provide cellular Internet of Things (IoT) service. Some work is needed to provide efficient IoT service to meet the requirement of ...
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ISBN:
(纸本)9781728131290
Massive Machine Type Communication (mMTC) is one application scenario of 5G system to provide cellular Internet of Things (IoT) service. Some work is needed to provide efficient IoT service to meet the requirement of low power consumption and coverage extension, since IoT devices are mainly battery powered and installed in a coverage hole. Especially, the power consumption and radio resources are very essential when data packets are repeatedly transmitted to compensate the coverage gap. Considering the available energy in a real system is restricted, this paper proposes a distributed energy-restricted clusterbased transmission scheme for mMTC/IoT data transmission, according to the geo-locations of IoT devices to optimize the transmission efficiency. The simulation results show that the proposed transmission scheme with a cluster size limitation can reduce the power consumption at IoT devices and improve the radio resource efficiency of the system, compared with the conventional centralized scheduling algorithm.
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