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Centralized Dynamic-Time Division Duplex Utilizing Interference Alignment
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DOI：10.1109/TWC.2021.3077250.png)
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Abstract
En 中文
In this paper, we combine centralized dynamic-time division duplex (D-TDD) with interference alignment (IA) for a wireless network comprised of N full duplex nodes. We maximize the performance of the proposed centralized D-TDD scheme utilizing IA in terms of rate region by optimizing the reception, transmission, simultaneous reception and transmission, and silence at each node in each time slot in addition to the choice of whether a node should treat the interference as noise or it should use IA. The problem of the rate region maximization of the wireless network is formulated as a non-convex optimization problem, whose optimal solution is found. The simulation results demonstrate that the proposed centralized D-TDD scheme utilizing IA achieves significant gains over the existing D-TDD schemes.
Keywords:
Dynamic TDD
centralized network
interference alignment
self-interference
adaptive scheduling
half-duplex
full-duplex
sum-rate
rate region
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10.7
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