Journal
IEEE COMMUNICATIONS LETTERS
Volume 25, Issue 11, Pages 3594-3598Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LCOMM.2021.3108013
Keywords
Interference; Quality of service; Signal to noise ratio; Ultra-dense networks; Sun; Reinforcement learning; Radio frequency; Ultra-dense mmWave network; user-centric; multiple association; deep learning
Categories
Funding
- NSFC [62001071]
- China Postdoctoral Science Foundation [2020M683291, 2019TQ0270]
- Macao Young Scholars Program [AM2021018]
- Science and Technology Research Program of Chongqing Municipal Education Commission [KJQN201900617]
- Science and Technology Development Fund, Macau SAR [0036/2019/A1, SKL-IOTSC-2021-2023]
- Research Committee of University of Macau [MYRG2018-00156-FST]
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User-centric architecture is considered a promising option for providing better quality of service in ultra-dense networks, with one main challenge being to explore efficient user association schemes. This letter investigates the dynamic user-centric association problem for ultra-dense millimeter wave networks and proposes a deep Q-network based scheme to find the optimal association policy, demonstrating performance gain through simulation results.
For ultra-dense networks, user-centric architecture is regarded as a promising candidate to offer mobile users better quality of service. One of the main challenges of user-centric architecture is exploring efficient scheme for user association in the ultra-dense network. In this letter, we study dynamic user-centric association (UCA) problem for ultra-dense millimeter wave (mmWave) networks to provide reliable connectivity and high achievable data rate. We consider time-varying network environments and propose a deep Q-network based UCA scheme to find the optimal association policy based on the historical experience. Simulation results are presented to verify the performance gain of our proposed scheme.
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