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Record W1972245690 · doi:10.1109/jcn.2000.6596716

On higher layer protocol performance in CDMA S-ALOHA networks with packet combining in Rayleigh fading channels

2000· article· en· W1972245690 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueJournal of Communications and Networks · 2000
Typearticle
Languageen
FieldComputer Science
TopicWireless Communication Networks Research
Canadian institutionsUniversity of Victoria
Fundersnot available
KeywordsComputer scienceComputer networkPhysical layerAlohaMedia access controlRetransmissionRayleigh fadingData link layerProtocol stackNetwork packetFadingNetwork layerThroughputLink layerChannel (broadcasting)WirelessLayer (electronics)Wireless sensor networkTelecommunications

Abstract

fetched live from OpenAlex

Physical layer mechanisms to enhance wireless channel reliability can impact the performance of higher layer protocol techniques in a non-trivial manner. The performance implications of retransmission diversity packet combining on RLC (Radio Link Control)/MAC (Medium Access Control) layer and transport layer protocol performance are investigated for three different heuristic-based RLC/MAC layer access control schemes in a CDMA S-ALOHA network under frequency selective Rayleigh fading. The transport layer protocol here implements a two-level error recovery mechanism for reliable data transmission. Two different transport layer timer control mechanisms are considered. Performance evaluation is also carried out for these access control schemes for single-level error recovery in the case of moderate delay and loss-sensitive data traffic. In addition, implications of some physical layer parameters on system performance are discussed. It is observed that for two-level error recovery through a reliable transport protocol, the achieved throughput is dependent on the transport protocol timer control mechanism and a suitable mechanism can be identified for an underlying RLC/MAC layer access control scheme and a particular physical layer design. The results presented here enable us to get insight into the identification of proper higher layer protocol mechanisms and physical layer design choices which would be required for transmission protocol stack performance optimization in a CDMA-based wireless networking scenario.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.279
Threshold uncertainty score0.705

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0020.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0030.000
Research integrity0.0000.002
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.038
GPT teacher head0.308
Teacher spread0.270 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it