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- W2897984391 abstract "In this paper, we investigate efficient resource allocation for the uplink transmission of wireless powered IoT networks. LoRa is adopted as an example network of focus, however the work can be easily generalized to other radios. Allocating limited resources, like spectrum and energy resources, among massive numbers of users faces critical challenges. We consider grouping wireless powered users first, and for users assigned to the same channel, power allocation is investigated to improve the throughput of each user. Specifically, a user grouping problem has been formulated as a many-to-one matching game by treating users and channels as two sets of selfish players aiming to maximize their respective utilities. A low-complexity efficient channel allocation algorithm (ECAA) is proposed for user grouping. Additionally, a Markov Decision Process (MDP) is adopted to model the unpredictable energy arrival and channel conditions uncertainty, and a power allocation algorithm is proposed to maximize the accumulative throughput over a finite-horizon of time slots. By doing so, we can distribute the channel access and dynamic power allocation decision making local to users. Simulation results demonstrate that the proposed ECAA scheme can achieve near-optimal performance with much lower computational complexity than brute force exhaustive-search approach. Moreover, simulations show that the distributed optimal power allocation policy for each user is obtained with better performance than a centralized offline scheme." @default.
- W2897984391 created "2018-10-26" @default.
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- W2897984391 date "2018-10-13" @default.
- W2897984391 modified "2023-09-27" @default.
- W2897984391 title "Resource Allocation in IoT networks using Wireless Power Transfer" @default.
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