Mobility-Aware Computation Offloading for AR Tasks Over Terahertz Wireless Networks: An Offline Reinforcement Learning Approach
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Bibliographic record
Abstract
Augmented reality (AR) holds great promise within the Internet of vehicles (IoV), offering real-time, context-aware information to enhance user experiences. Since wireless AR services have stringent requirements for latency and energy efficiency, terahertz (THz) transmission and mobile edge computing (MEC) can be leveraged to address these issues. Besides, reinforcement learning (RL) is widely employed to design resource allocation and offloading decision schemes, further boosting the benefits of THz and MEC communication. However, conventional RL-based schemes necessitate online trial-and-error interactions and policy updates, which may result in unsafe actions and pose risks, e.g., vehicle collisions. Inspired by this, we propose a novel static data-driven AR tasks offloading framework for the IoV with THz communication. The proposed framework utilizes an offline RL algorithm to train the offloading decision agents without real-world interactions. Specifically, we formulate an optimization problem of maximizing user experience by jointly optimizing bandwidth and computation resource allocation. To reduce the complexity of solving the original problem, we decompose it into two subproblems: 1) THz bandwidth allocation and 2) MEC offloading decisions. Considering the unique characteristics of THz communication that users' available bandwidth varies with their distances to the base station (BS), we design a heuristic THz bandwidth allocation algorithm to achieve fair allocation. To address the typical out-of-distribution (OOD) action issue encountered in offline RL, we exploit the conservative Q-learning (CQL) to make the optimal MEC offloading decisions enhancing user experience. Simulation results show that the proposed scheme outperforms state-of-the-art algorithms in terms of algorithm stability and user feedback.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it