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- W2795880656 abstract "In order to improve spectral efficiency, proximal users may communicate directly rather than indirectly via the base station (BS) in cellular networks, which is referred to Device-to-device (D2D) communications. This paper studies joint channel assignment and power control scheme with minimum data-rate guarantee for D2D users in a flexible way for the uplink resource reuse, where there is no restriction on the number of radio resource reused by each D2D link. This problem is modeled as a non-convex combinatorial optimization to optimize the total data rates of D2D users subject to the different quality-of-service (QoS) requirements for D2D users and cellular users (CUs). Moreover, a two-step scheme is proposed to tackle the non-convexity difficulty. In the first step, a novel channel assignment is devised to determine the channel reusing based on the results of the power control for D2D links under a special channel reuse pattern, which is obtained by solving a series of geometric programming (GP) iteratively. In the second step, the joint power control for both D2D links and CUs are achieved based on the results of the first step. Numerical simulations demonstrate that the proposed algorithms can improve the D2D system throughput meanwhile guarantee the minimum data-rate requirements of the D2D users." @default.
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- W2795880656 date "2017-10-01" @default.
- W2795880656 modified "2023-10-16" @default.
- W2795880656 title "A minimum data-rate guaranteed joint resource allocation scheme for D2D communication system" @default.
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- W2795880656 doi "https://doi.org/10.1109/iccchina.2017.8330443" @default.
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