Smart M2M Uplink Scheduling Algorithm over LTE
Keywords:Machine-to-machine, LTE, uplink scheduling
AbstractAs a long term evolution plan of 3G, currently Long Term Evolution (LTE) System is also the internationally recognized mobile communication standard for 4G. FD-LTE is the LTE system of Frequency Division Duplex (FDD) mode. It is also the mobile network system with the fastest transmission rate. For the uplink scheduling in the LTE system, due to the difference between the power of UE and the terminal capability level, the system might not be able to schedule users (UE) for maximum bandwidth transmission. So the uplink scheduling strategy and scheduling method is one of the hot topics of current research. We have looked into the M2M devices accessing the LTE networks. Based on the characteristics of small data volume, the large number of M2M communication nodes, the different time limit and diversified services, compared with the existing H2H communication, it is found that there are major differences between M2M communications and H2H communications. In the light of this, in this paper, we have conducted an in-depth research of M2M communication resource allocation and scheduling of LTE system and introduced a queue priority strategy based on existing LTE scheduling algorithm. This results in an optimized intelligent scheduling algorithm suitable for M2M communications to improve the system throughput and reduce the average delay of system service without affecting into the traditional voice and video communications.
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