Abstract
We consider a single-cell network with a hybrid full-/half-duplex base station. For the practical scenario with N channels, K uplink users, and M downlink users (max{K,M} ≤ N ≤ K + M), we tackle the issue of user admission and power control to simultaneously maximize the user admission number and minimize the total transmit power when guaranteeing the quality-of-service requirement of individual users. We formulate a 0–1 integer programming problem for the joint-user admission and power allocation problem. Because finding the optimal solution of this problem is NP-hard in general, a low-complexity algorithm is proposed by introducing the novel concept of adding dummy users. Simulation results show that the proposed algorithm achieves performance similar to that of branch and bound algorithm and significantly outperforms the random pairing algorithm.
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Project supported by the National Natural Science Foundation of China (No. 61671406), the Zhejiang Provincial Natural Science Foundation of China (No. LR15F010001), and the National Science and Technology Major Project of China (No. 2017ZX03001002-003)
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Chen, L., Wen, Dz., Zhong, Cj. et al. Hybrid full-/half-duplex cellular networks: user admission and power control. Frontiers Inf Technol Electronic Eng 19, 379–387 (2018). https://doi.org/10.1631/FITEE.1700027
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DOI: https://doi.org/10.1631/FITEE.1700027