Inactivity timers in cellular networks are used to balance the trade-offs between resource efficiency for enhanced user experience and low management overhead. However, considerable radio resources and battery energy are wasted in the tail time. In this abstract, we proposed TailTheft, which leverages the tail time for batching and pre fetching. Our work is the first to consider using rather than eliminating the tail time for saving energy. To utilize the tail time, TailTheft uses a virtual tail time mechanism to determine the amount of tail time that can be used and a dual queue scheduling algorithm to schedule transmissions. Given that numerous transmissions are scheduled in the tail time, energy consumption is significantly decreased. The experimental results show that TailTheft achieves more significant savings on battery energy and radio resources than existing methods.
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