Improving quality of service for cell-edge user in D2D-relay networks
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Abstract In this paper, we investigate a scenario of D2D-relay communications where one D2D user may help cell-edge user to exchange information for improving its quality of service (QoS). We formulate a resource allocation problem, which aims at maximizing the data rate of the cell-edge user. In particular, we propose an iterative power allocation algorithm and derive the optimal closed-form power allocation expressions by Lagrangian dual method. Simulation results verify the theoretical solution and show that our D2D-relay scheme achieves higher spectrum efficiency than the traditional cellular-relay communication scheme.
2018 ◽
Vol 14
(11)
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pp. 155014771881109
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Quality of service analysis and improvement with cross layer power allocation in multirelay networks
2015 ◽
Vol 16
(9)
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pp. 996-1008
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2007 ◽
Vol 25
(4)
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pp. 645-656
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2019 ◽
Vol E102.D
(11)
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pp. 2257-2260
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2008 ◽
Vol 26
(6)
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pp. 1025-1034
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