Why this work is in the frame
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Bibliographic record
Abstract
In this thesis we consider problems arising in delivering delay bounded traffic to mobile users of cellular networks. Such traffic is important to support (for example, for delivering multimedia streaming services), yet challenging to manage, since it typically requires relatively high data rates that consume significant wireless system resources. Moreover, users expect uninterrupted operation while roaming within the coverage area. The problems formalized in the thesis are investigated in the context of managing two types of cellular networks: (1) networks that support multi user access through time division multiplexing where a fixed number of channels is allocated to serve the streaming requests, and (2) networks that support multi user access through code division multiple access (CDMA). Such networks are characterized by a soft capacity aspect. For networks of the first type, we devise admission control (CAC) mechanisms that keep track of network state at any instant by utilizing scheduling mechanisms that take into account delay constraints on individual traffic connection requests. Two types of scheduling mechanisms are considered in the thesis for the above purpose: non-preemptive scheduling that assumes that a connection request is served to completion without service interruption, and preemptive scheduling that aims at achieving higher throughput by allowing service preemption. In both cases, the thesis develops frameworks for the devised CAC and the underlying scheduling mechanism, present quantitative analysis of the designed schedulers, and evaluate the performance of the devised frameworks by simulation. A novel contribution of the thesis is the design and analysis of CAC architectures for the first type of networks to serve delay bounded traffic. For networks of the second type, we devise a CAC mechanism that keeps track of network state at any instant by keeping track of both intra-cell and inter-cell mobility of served users in order to estimate the cell overload probability after a prediction interval in the future. Such CAC architecture has been devised in the literature for rate sensitive (but not particularly delay bounded) traffic. A novel aspect of the thesis is on extending the architecture to our present context of serving delay bounded traffic in soft capacity networks.
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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 | 0.000 |
| 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