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- W3081808596 abstract "In this article, we investigate the performance of massive machine type communications (mMTC) in status update systems, where massive machine type communication devices (MTCDs) send status packets to the BS for system monitoring. However, massive MTCDs sending status packets to the BS will cause severe packet collisions, which will have a negative impact on status update performance. In this case, it is necessary to carry out reasonable access control and resource allocation scheme to improve the status update performance for mMTC. In this article, taking the features of mMTC into consideration, we first analyze access control, packet collisions and packet errors in mMTC respectively, and derive the closed-form expression of the average age of information for all MTCDs as the performance metric, and then propose a joint access control, frame division and subchannel allocation scheme to improve the overall status update performance. Simulation and numerical results verify the correctness of theoretical results and show that our proposed scheme can achieve almost the same performance as the exhaustive search method and outperforms benchmark schemes." @default.
- W3081808596 created "2020-09-08" @default.
- W3081808596 creator A5008541230 @default.
- W3081808596 creator A5065647746 @default.
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- W3081808596 date "2021-03-01" @default.
- W3081808596 modified "2023-10-11" @default.
- W3081808596 title "Joint Access Control and Resource Allocation for Short-Packet-Based mMTC in Status Update Systems" @default.
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- W3081808596 doi "https://doi.org/10.1109/jsac.2020.3018801" @default.
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