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Record W2121678761 · doi:10.1109/ccece.2004.1347730

Performance of clipped OFDM signal in fiber

2004· article· en· W2121678761 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

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicPAPR reduction in OFDM
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsOrthogonal frequency-division multiplexingRadio over fiberComputer scienceElectronic engineeringMultipath propagationWirelessModulation (music)Computer networkNarrowbandTelecommunicationsChannel (broadcasting)Engineering

Abstract

fetched live from OpenAlex

Combined deployment of optical fiber technology and wireless networks has great potential for increasing the capacity and quality of service. By using radio-over-fiber (ROF) technology, the capacity of optical networks can be combined with the flexibility and mobility of wireless access networks without significant cost increment. The radio-over-fiber concept means to transport information over optical-fiber by modulating the light with the radio signal. This article discusses the effects of using fiber in conjunction with wireless local area network IEEE 802.11a standard (WLAN) to distribute RF signals. To achieve high throughput 802.11a LAN uses an orthogonal frequency division multiplexing (OFDM) based multicarrier wideband modulation technique. OFDM is one of the most favored modulation techniques in the WLAN scenario due to its efficient implementation and robustness against multipath and narrowband interference. One of the biggest drawbacks of OFDM is its high peak to average power ratio (PAPR). High PAPR of OFDM makes it unusable in nonlinear systems. In this article we discuss better ways to overcome the PAPR problem of the OFDM signal which will improve its performance in fiber.

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)0.000
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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.897
Threshold uncertainty score0.771

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.008
GPT teacher head0.202
Teacher spread0.195 · 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

Quick stats

Citations18
Published2004
Admission routes1
Has abstractyes

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