SIGNALAI·May 28, 2026, 4:00 AMSignal55Medium term

Policy-Driven DRL-Based TXOP Adaptation in NR-U and Wi-Fi Coexistence

Source: arXiv cs.LG

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Policy-Driven DRL-Based TXOP Adaptation in NR-U and Wi-Fi Coexistence

arXiv:2605.00457v3 Announce Type: replace-cross Abstract: The coexistence of NR-U and Wi-Fi in unlicensed spectrum introduces a challenging coexistence management problem, where heterogeneous channel access mechanisms lead to a significant imbalance in spectrum utilization and degraded Wi-Fi performance. To address this challenge, we propose a policy-driven deep reinforcement learning (DRL) framework for adaptive transmission opportunity (TXOP) control, in which the coexistence process is formulated as a Markov decision process (MDP) and a deep Q-network (DQN) learns control policies through o

Why this matters
Why now

The increasing density of wireless devices and the rollout of 5G technologies like NR-U are creating more complex spectrum sharing challenges, necessitating advanced coexistence solutions.

Why it’s important

Efficient and fair coexistence of different wireless technologies in unlicensed spectrum is crucial for maintaining performance and preventing interference in common environments, impacting broad sectors from consumers to industrial IoT.

What changes

The application of DRL to optimize spectrum access for technologies like NR-U and Wi-Fi could lead to more robust and adaptive wireless communication systems, moving beyond static channel access protocols.

Winners
  • · 5G NR-U deployments
  • · Wi-Fi users in dense environments
  • · Deep Reinforcement Learning researchers
  • · IoT device manufacturers
Losers
  • · Legacy spectrum management approaches
  • · Systems unprepared for adaptive spectrum access
Second-order effects
Direct

Improved network performance and reduced interference in congested unlicensed frequency bands.

Second

Accelerated adoption of DRL-based solutions for managing complex resource allocation problems across various communication and computing systems.

Third

Potential for new regulatory frameworks that accommodate dynamic, AI-driven spectrum sharing, influencing future wireless technology standards.

Editorial confidence: 85 / 100 · Structural impact: 40 / 100
Original report

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Read at arXiv cs.LG
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