Impact of Objective Function on Spectral Efficiency in Integrated HAPS-Terrestrial Networks
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Bibliographic record
Abstract
Integrating non-terrestrial networks (NTNs), in particular high altitude platform stations (HAPS), with terrestrial networks, referred to as vHetNets, emerges as a promising future wireless network architecture for providing ubiquitous connectivity. In this context, optimizing the performance of vHetNets has become a paramount concern, particularly in harmonized spectrum vHetNets, where HAPS and terrestrial networks share the same frequency band, resulting in severe inter-/intra-tier interference. This paper provides a comparative analysis of different objective functions, specifically focusing on weighted sum rate (WSR), network-wide proportional fairness (NW-PF), and network-wide max-min fairness (NW-MMF), with an aim to design a joint user association scheme and multiple-input multiple-output (MIMO) beamforming weights in a vHetNet, operating in an urban area. The simulation results comprehensively compare the behavior of different objective functions in vHetNets and standalone terrestrial networks. This analysis aims to shed light on the impact of diverse objective functions on the achievable spectral efficiency (SE) of vHetNets.
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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 | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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