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Bayesian auction game theory-based DBA for XG symmetrical PON.
Khalid Hussain Mohammadani1, Rizwan Aslam Butt2, Kamran Ali Memon3
1State Key Laboratory of Information Photonics and Optical Communications, School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing, 100876 China.
Optical and Quantum Electronics
|May 4, 2022
Summary
This study introduces Bayesian auction game theory (BAGT) for dynamic bandwidth allocation in next-generation passive optical networks. BAGT improves bandwidth utilization and reduces delays for better Quality of Experience.
Area of Science:
- Telecommunications Engineering
- Network Optimization
- Game Theory Applications
Background:
- Next-generation passive optical networks (NG-PONs) like 50G-PON and TWDM-PON offer high bandwidth but require efficient dynamic bandwidth allocation (DBA) for optimal performance.
- Current DBA schemes in PONs face challenges in fair and efficient upstream bandwidth distribution, impacting Quality of Service (QoS) and Quality of Experience (QoE).
Purpose of the Study:
- To introduce and evaluate a novel DBA scheme using Bayesian auction game theory (BAGT) for enhanced upstream bandwidth allocation in XG-PON.
- To address unfairness and inefficiency in bandwidth distribution to optical network units (ONUs).
Main Methods:
- Implementation of a Bayesian auction game theory (BAGT) process within the DBA framework for XG-PON.
- Allocation of excess bandwidth proportionally to ONU demands submitted through a bidding process.
- Comparative performance analysis against existing DBA schemes: Proportional Allocation Schemes (PAS), Improved Bandwidth Utilization (IBU), and Optimized Round-Robin (ORR).
Main Results:
- The proposed BAGT scheme demonstrates higher system throughput and significantly lower upstream delays compared to PAS, IBU, and ORR.
- BAGT DBA achieves superior bandwidth utilization, improving it by 38% to 50% over existing methods.
- The BAGT scheme exhibits a minimum frame loss ratio, indicating enhanced network stability.
Conclusions:
- Bayesian auction game theory provides an effective mechanism for optimizing dynamic bandwidth allocation in NG-PONs.
- The proposed BAGT DBA scheme enhances network efficiency, reduces delays, and improves bandwidth utilization, leading to better QoE for end-users.
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