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- W2936659384 abstract "In IoT network, one of the most challenging issues is to minimize the energy consumption and to prolong the network lifetime as well as to accommodate random access (RA) requests of massive number of machine-type communication (MTC) devices. As the number of MTC devices increases, the collision happens more frequently, which results in the waste of energy. Especially, for MTC devices located in the cell-edge experience severe energy deficiency which should be taken into account. This paper proposes a novel energy efficient random access response (EE-RAR) scheme, which provides higher access priority to farther devices than near devices by utilizing the timing advance (TA) information at the middle of RA procedure. We mathematically derive the expected number of MTC devices that succeed in random access and the corresponding energy consumption of the proposed EE-RAR scheme. The performance evaluation shows that the proposed EE-RAR scheme enables the IoT networks to consume less energy as well as achieves 15% better connectivity over the conventional RAR scheme when 500 MTC devices try to access eNodeB simultaneously." @default.
- W2936659384 created "2019-04-25" @default.
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- W2936659384 date "2018-08-01" @default.
- W2936659384 modified "2023-09-26" @default.
- W2936659384 title "A Novel Energy Efficient Random Access Response for IoT Networks" @default.
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- W2936659384 doi "https://doi.org/10.1109/vtcfall.2018.8690685" @default.
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