J Hu, X Wang, D Li, Y Xu - 2020 International Conference on …, 2020 - ieeexplore.ieee.org
In this paper, we study the joint problem of subchannel assignment and power allocation to improve the wireless resources utilization rate in a multi-user OFDMA system. Compared …
W Wu, F Yang, F Zhou, Q Wu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Orthogonal frequency division multiplexing (OFDM) systems have been widely applied in practice since OFDM has diverse outstanding advantages. However, their performance …
Y Guo, FC Zheng, J Luo, X Wang - 2021 IEEE 93rd Vehicular …, 2021 - ieeexplore.ieee.org
For a multi-cell OFDM downlink network, a basic problem is to perform resource allocation to maximize the spectral efficiency (SE). Doppler shift, however, leads to a loss of subcarrier …
MK Tefera, S Zhang, Z Jin - Entropy, 2023 - mdpi.com
This paper considers a downlink resource-allocation problem in distributed interference orthogonal frequency-division multiple access (OFDMA) systems under maximal power …
J Liu, X Ma, W Han, L Wang - 2020 IEEE 8th International …, 2020 - ieeexplore.ieee.org
In a distributed OFDMA network, wireless channel is divided into multiple time-frequency resource block for transmission. Because there is no information interaction between nodes …
Efficient radio resource allocation is a fundamental optimization problem for wireless networks, and has been widely studied in the past. However, wireless systems are evolving …
P Wang, J Han, F Liu, Y Liu, J Xu - Journal of Networks, 2011 - Citeseer
A centralized resource allocation algorithm in multi-cell OFDM systems is studied, which aims at improving the performance of wireless communication systems and enhancing …
C Kai, X Meng, L Mei, W Huang - Wireless Networks, 2023 - Springer
This paper investigates the joint uplink–downlink resource allocation in time-varying device- to-device (D2D) underlay wireless cellular networks. Specifically, we formulate the joint …
W Wu, F Yang, F Zhou, H Hu, Q Wu, RQ Hu - arXiv preprint arXiv …, 2022 - arxiv.org
In this paper, we study the resource allocation problem for an intelligent reflecting surface (IRS)-assisted OFDM system. The system sum rate maximization framework is formulated by …