The design of a radio link for indoor wireless communications at 29 GHz
Bibliographic record
Abstract
This paper outlines the design of an experimental indoor broadband radio system at 29 GHz. Based on this design, the availability of this system is presented for various cell sizes and transmitted power values. The system has a maximum information bit rate of 155 Mb/sec and a maximum receiver noise figure of 8 dB. Channel measurements and modeling which were performed during an earlier stage of the project provided some of the parameters for the design of the system. These include distance-power law exponents and received fading envelope statistics. The design of the link is based on a quadrature up/down converter configuration. Both the transmitting and receiving parts have one front-end RF stage at 29 GHz and one IF stage at 2.5 GHz. Several different scenarios with different antenna types and orientations are considered taking into account experimentally determined channel characteristics such as received signal power distributions and large scale attenuation losses. The link design and the calculated availability figures demonstrate that reliable indoor portable radio systems can accommodate microcells of radius up to 50 m.>
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".