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Optimized Base-Station Cache Allocation for Cloud Radio Access Network With Multicast Backhaul 期刊论文
IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 2018, 卷号: 36, 期号: 8, 页码: 1737-1750
Authors:  Dai, Binbin;  Liu, Ya-Feng;  Yu, Wei
Favorite  |  View/Download:4/0  |  Submit date:2019/01/11
Alternating direction method of multipliers (ADMM)  base-station (BS) caching  cloud radio access network (C-RAN)  data-sharing strategy  multicasting  wireless backhaul  
One-Bit Precoding and Constellation Range Design for Massive MIMO With QAM Signaling 期刊论文
IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, 2018, 卷号: 12, 期号: 3, 页码: 557-570
Authors:  Sohrabi, Foad;  Liu, Feng;  Yu, Wei
Favorite  |  View/Download:4/0  |  Submit date:2018/07/30
Low-resolution digital-to-analog converter (DAC)  massive multiple-input multiple-output (MIMO)  one-bit precoding  quadrature amplitude modulation (QAM)  symbol error rate (SER)  symbol-level precoding  zero-forcing (ZF)  
Flexible Multiple Base Station Association and Activation for Downlink Heterogeneous Networks 期刊论文
IEEE SIGNAL PROCESSING LETTERS, 2017, 卷号: 24, 期号: 10, 页码: 1498-1502
Authors:  Shen, Kaiming;  Liu, Ya-Feng;  Ding, David Yiwei;  Yu, Wei
Favorite  |  View/Download:4/0  |  Submit date:2018/07/30
Base station (BS) activation  BS association  group sparsity  proximal gradient method  
An Efficient Global Algorithm for Single-Group Multicast Beamforming 期刊论文
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2017, 卷号: 65, 期号: 14, 页码: 3761-3774
Authors:  Lu, Cheng;  Liu, Ya-Feng
Favorite  |  View/Download:3/0  |  Submit date:2018/07/30
Argument cuts  branch-and-bound algorithm  convex relaxation  multicasting  global optimality  transmit beamforming  
Joint Power and Admission Control Based on Channel Distribution Information: A Novel Two-Timescale Approach 期刊论文
IEEE SIGNAL PROCESSING LETTERS, 2017, 卷号: 24, 期号: 2, 页码: 196-200
Authors:  Chen, Qitian;  Kang, Dong;  He, Yichu;  Chang, Tsung-Hui;  Liu, Ya-Feng
Favorite  |  View/Download:8/0  |  Submit date:2018/07/25
Admission control  SINR constraint  power control  sample approximation  two-timescale approach  
Dynamic Spectrum Management: A Complete Complexity Characterization 期刊论文
IEEE TRANSACTIONS ON INFORMATION THEORY, 2017, 卷号: 63, 期号: 1, 页码: 392-403
Authors:  Liu, Ya-Feng
Favorite  |  View/Download:3/0  |  Submit date:2018/07/30
Complexity theory  multi-carrier communication system  spectrum management  strong NP-hardness