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Distributed Channel Allocation for D2D-Enabled 5G Networks Using Potential Games
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DOI：10.1109/ACCESS.2019.2891823.png)
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摘要
En 中文
Frequency channel allocation is a key technique for improving the performance of cellular networks. In this paper, we address the channel allocation problem for a 5G multi-cell system. We consider a heterogeneous network in which cellular users, micro-cell users, and device-to-device (D2D) communications coexist within the radio footprint of the macro cell. We maximize the aggregate transmission rate, exploiting channel diversity and managing both the inter-cell interference, typical of cellular networks and the intra-cell interference generated by the nonorthogonal transmissions of the small-cell and D2D users. By modeling the allocation problem as a potential game, whose Nash equilibria correspond to the local optima of the objective function, we propose a new decentralized solution. The convergence of our scheme is enforced by using a better response dynamic based on a message passing approach. The simulation results assess the validity of the proposed scheme in terms of convergence time and achievable rate under different settings.
Keyword:
Distributed allocation
5G system
optimization
OFDMA
device-to-device
potential games
message passing
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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引用论文
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