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- W2612122151 abstract "With the development of the fifth generation communication technology, how to improve system capacity and spectral efficiency is a key issue, which has attracted more and more attention from industry and academia. Heterogeneous network has been considered as a new promising technique for enhancing the quality of service, energy and spectrum efficiency as well as coverage of network due to different radio access technology (RAT) and different network structures. In this paper, the rate maximization resource allocation problem for multiuser cognitive heterogeneous networks is formulated to flexibly use network resource and improve the overall capacity, which simultaneously considers cross-tier interference constraint and maximum transmit power of cognitive microcell base station. The non-convex optimization problem is converted into a geometric programming problem which can be solved by Lagrange dual method in a distributed way. Simulation results are given to show the performance of the proposed algorithm in terms of the achievable system capacity and the interference to the macrocell network." @default.
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- W2612122151 date "2017-03-01" @default.
- W2612122151 modified "2023-09-25" @default.
- W2612122151 title "Distributed Resource Allocation for Cognitive HetNets with Cross-Tier Interference Constraint" @default.
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- W2612122151 doi "https://doi.org/10.1109/wcnc.2017.7925718" @default.
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