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Optimal Achievable Transmission Capacity Scheme for Full-Duplex Multihop Wireless Networks
Aung Thura Phyo Khun1, Yuto Lim1, Yasuo Tan1
1Graduate School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi City 923-1292, Ishikawa, Japan.
Sensors (Basel, Switzerland)
|October 27, 2022
Summary
This study introduces an optimal achievable transmission capacity (OATC) scheme for full-duplex (FD) multihop wireless networks. The OATC scheme optimizes spectral efficiency and mitigates interference for superior network capacity.
Area of Science:
- Wireless Communication Networks
- Signal Processing
- Network Optimization
Background:
- Full-duplex (FD) communication is key for enhancing spectral efficiency in 5G systems.
- Prior research concentrated on self-interference cancellation and MAC protocols for FD systems.
- Realizing optimal capacity in FD multihop networks remains a challenge.
Purpose of the Study:
- To propose an Optimal Achievable Transmission Capacity (OATC) scheme.
- To optimize capacity in full-duplex multihop wireless networks.
- To improve spectral efficiency and mitigate interference.
Main Methods:
- The OATC scheme integrates temporal reuse for spectral efficiency.
- Spatial reuse with transmit power control is employed for interference mitigation.
- Numerical simulations compare OATC with existing FD MAC protocols.
Main Results:
- Concurrent transmissions alone do not guarantee optimal capacity in FD systems.
- Hybrid mechanisms, including sequential transmissions, are vital due to interference.
- The OATC scheme achieves optimal network capacity with reduced interference.
Conclusions:
- The proposed OATC scheme significantly enhances network capacity in FD multihop wireless networks.
- OATC outperforms existing MAC protocols in terms of achievable throughput and interference reduction.
- A hybrid transmission approach is crucial for maximizing capacity in FD networks.
Keywords:
capacity optimizationfull-duplex systeminterference mitigationmultihop wireless networktransmit power controlMore Related Videos
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