Transmission Loss between Buildings in the e-Um5G 4.7 GHz Band: Measurements and Analysis
Bibliographic record
Abstract
A demand-based deployment strategy has been recently proposed for e-Um5G in the industrial market. This study measured the transmission loss between buildings at a frequency of 4.7 GHz to initiate small cell deployment in certain areas. A local average apparatus was utilized to remove fading effects, and data were acquired at discrete points one or two meters apart. The transmission losses for buildings 39 m and 95 m from the transmitter were 56.6 dB and 69.1 dB, respectively, excluding free-space loss. The transmission loss was found to be sensitive to building structure and transmitter location, as the loss for a building 39 m away decreased to 49.5 dB when the transmitter was moved closer to the building entrance. The measured results were analyzed in terms of the ITU-R SG3 (International Telecommunication Union-Radiocommunication Sector, Study Group 3) definition of building entry loss and can be used for frequency sharing and building-level small cell deployment in the e-Um5G frequency band.
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How this classification was reachedexpand
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 | 0.002 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".