Resource Management for Machine Type Communication and Internet of Things in Mobile Networks
Due to the paramount importance of Machine Type Communication (MTC) in many fields, massive increase in (MTC) data traffic is anticipated in future. Different wireless communication technologies can be used for interconnecting MTC devices (MTCDs), but the cellular mobile networks are almost available everywhere and therefore it is considered the best mean for interconnecting MTCDs. The cellular mobile networks are primarily designed for providing broadband services while most of the MTC data traffic is narrowband. Several types MTCDs send data in the form of small packets. It is expected that millions of MTCDs would be deployed in a cell, which would require simultaneous connectivity. This massive data traffic may affect the existing normal data traffic negatively, as it will overburden the system and furthermore spectrum would be utilized inefficiently. This paper proposes a solution for efficient spectrum utilization in mobile networks. The proposed mechanism is intuitive and is based on packet aggregation implemented in intermediary node called aggregation node. Small memory (buffer) is used to held the small packets for some time. When the buffer capacity is achieved the accumulated packet is sent to receiver. Furthermore, a timer mechanism is used for avoiding huge delays of the aggregated packets. Simulation results (graphs) show that significant enhancement in spectrum utilization can be achieved.
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