Performance analysis of a cell‐based call admission control scheme for QoS support in multimedia wireless networks
Bibliographic record
Abstract
Abstract Next generation wireless communication systems, including 3G and 4G technologies, are envisaged to support more mobile users and a variety of high‐bandwidth multimedia services. Different multimedia services have diverse bandwidth and quality of service (QoS) requirements from their users that need to be guaranteed by wireless cellular systems. Furthermore, these systems will use micro/pico cellular architecture to provide a higher capacity. As a result of the smaller coverage area of this architecture, handoff events will occur at a much higher rate compared with the present macrocellular systems. In this paper, a multiple‐threshold bandwidth reservation scheme combined with a call admission control algorithm is proposed and analyzed. The objective of our work is to achieve better QoS provisioning for mobile users while achieving efficient utilization of the available limited bandwidth. The proposed scheme is modeled as M/M/C/C queueing system and the performance measures, call blocking probability (CBP), and call dropping probability (CDP) are computed. The performance of our scheme is compared with the Complete Sharing (CS) policy. Simulation results show that our scheme surpasses the CS policy in terms of CBP, CDP, and bandwidth utilization. Copyright © 2010 John Wiley & Sons, Ltd.
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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 | 0.003 | 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 | 0.001 |
| Open science | 0.005 | 0.000 |
| Research integrity | 0.000 | 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 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".