39 results on '"Freitas, Walter C."'
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2. Efficient Battery Usage in Wireless-Powered Cell-Free Systems With Self-Energy Recycling
3. Multiantenna Multicarrier Transceiver Architectures
4. A Distributed Game-Theoretic Solution for Power Management in the Uplink of Cell-Free Systems
5. On the Energy Efficiency of Cell-Free Systems With Limited Fronthauls: Is Coherent Transmission Always the Best Alternative?
6. Mixed Coherent and Non-Coherent Transmission for Multi-CPU Cell-Free Systems
7. A Network-Assisted Game-Theoretic Design to Power Control in Autoregressive Fading Channels
8. Link Adaptation for MIMO-OFDM Systems
9. Joint Pilot and Data Power Control Optimization in the Uplink of User-Centric Cell-Free Systems
10. Joint Resource Allocation and Transceiver Design for Sum-Rate Maximization Under Latency Constraints in Multicell MU-MIMO Systems
11. Interference Alignment, Concepts and Algorithms for Wireless Systems
12. Multiantenna Multicarrier Transceiver Architectures
13. Energy Efficiency Maximization Under Minimum Rate Constraints in Multi-Cell MIMO Systems With Finite Buffers
14. User Scheduling Based on Multi-Agent Deep Q-Learning for Robust Beamforming in Multicell MISO Systems
15. Hybrid Analog-Digital Beamforming Design for SE and EE Maximization in Massive MIMO Networks
16. Tensor-Based Modeling and Processing for Channel Estimation in Two-Hop V2X MIMO Systems
17. A Multi-Stream Pricing-Based Precoding and Power Control Algorithm for Dynamic TDD Networks
18. Bidirectional Sum-Power Minimization Beamforming in Dynamic TDD MIMO Networks
19. Kalman-Filter-Based Tracking of Millimeter-Wave Channel Parameters for V2X Applications
20. User Grouping Based on Spatial Compatibility for Dynamic-TDD Cooperative Networks
21. A Unifying Design of Hybrid Beamforming Architectures Employing Phase Shifters or Switches
22. Distributed Beamforming in Dynamic TDD MIMO Networks With BS to BS Interference Constraints
23. A Novel Cell Reconfiguration Technique for Dynamic TDD Wireless Networks
24. Pricing-Based Distributed Beamforming for Dynamic Time Division Duplexing Systems
25. An ADMM approach to distributed coordinated beamforming in dynamic TDD networks
26. Random Element Quantization for Finite Rate Feedback Systems
27. Performance of interference alignment techniques within CoMP-like systems
28. Hybrid MIMO schemes with MRT precoding and modified SIC receiver
29. Convergence analysis of iterative Interference Alignment algorithms
30. Analysis of interference alignment for wireless communication with external interference
31. Blind Joint Channel Estimation and Data Detection for Precoded Multi-Layered Space-Frequency MIMO Schemes
32. Block diagonalization with subspace based external interference mitigation
33. Clustering-based Assignment within CoMP systems
34. Performance of Joint Antenna and User Selection Schemes for Interference Alignment in MIMO Interference Channels
35. A Modified Successive Interference Cancellation Algorithm for Hybrid Diversity/Spatial Multiplexing MIMO Schemes
36. Video motion activity transmission with redundant antennas at the transmitter side
37. Scheduling Algorithm for Improved System Capacity of Real-Time Services in 3GPP LTE
38. Radio resource allocation for maximization of user satisfaction
39. QoS based Radio Resource Allocation and Scheduling with Different User Data Rate Requirements for OFDMA Systems
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