OcrV1, Main, Exploration, bibRecord, 000321

Correlation Canceling-Type Feedback Canceler Based on Decision-Directed Pilot Symbols for T-DMB Repeaters

Identifieur interne : 000321 ( Main/Exploration ); précédent : 000320; suivant : 000322

Correlation Canceling-Type Feedback Canceler Based on Decision-Directed Pilot Symbols for T-DMB Repeaters

Auteurs : Young-Jun Lee [Corée du Sud] ; Ji-Bong Lee [Corée du Sud] ; SUNG IK PARK [Corée du Sud] ; HEUNG MOOK KIM [Corée du Sud] ; Yong-Tae Lee [Corée du Sud] ; KYUNG SIK SON [Corée du Sud] ; Hyoung-Nam Kim [Corée du Sud]

Source :

IEEE transactions on broadcasting [ 0018-9316 ] ; 2012.

RBID : Pascal:12-0360310

Descripteurs français

Pascal (Inist)
- Rétroaction, Faisceau hertzien, Télévision numérique, Répéteur, Reconnaissance optique caractère, Estimation fréquence, Estimation signal, Estimation paramètre, Méthode domaine fréquence, Estimation canal, Précision, Simulation, Evaluation performance, Poursuite cible, Transmission numérique, Reconnaissance forme.
Wicri :
- topic : Simulation.

English descriptors

KwdEn :
- Accuracy, Channel estimation, Digital television, Digital transmission, Feedback regulation, Frequency domain method, Frequency estimation, Optical character recognition, Parameter estimation, Pattern recognition, Performance evaluation, Radio link, Repeater, Signal estimation, Simulation, Target tracking.

Abstract

This paper presents a novel correlation canceling-type feedback canceler based on decision-directed pilot symbols for a terrestrial digital multimedia broadcasting (T-DMB) on-channel repeater (OCR). In order to guarantee an additional isolation of the OCR, two types of the feedback cancelers have been investigated: a correlation canceling (CC)-type feedback canceler and a frequency-domain channel estimation (FDCE)-type feedback canceler. While both of the feedback cancelers suppress the feedback signal effectively, they can operate complementarily each other with their own respective advantages. To achieve these complementary properties of the two types of feedback cancelers, we adopt a CC-type feedback canceling structure based on the frequency-domain estimated pilot symbols. The proposed feedback canceler improves the feedback channel estimation accuracy of the conventional CC-type feedback canceler as well as increases the channel estimation speed of the conventional FDCE = type feedback canceler. Simulation results show that the proposed feedback canceler has better feedback canceling performance and tracking ability for dynamic feedback channels.

Affiliations:

Corée du Sud

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000082
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to stream PascalFrancis, to step Checkpoint: 000083
to stream Main, to step Merge: 000324
to stream Main, to step Curation: 000321

Le document en format XML

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<front><div type="abstract" xml:lang="en">This paper presents a novel correlation canceling-type feedback canceler based on decision-directed pilot symbols for a terrestrial digital multimedia broadcasting (T-DMB) on-channel repeater (OCR). In order to guarantee an additional isolation of the OCR, two types of the feedback cancelers have been investigated: a correlation canceling (CC)-type feedback canceler and a frequency-domain channel estimation (FDCE)-type feedback canceler. While both of the feedback cancelers suppress the feedback signal effectively, they can operate complementarily each other with their own respective advantages. To achieve these complementary properties of the two types of feedback cancelers, we adopt a CC-type feedback canceling structure based on the frequency-domain estimated pilot symbols. The proposed feedback canceler improves the feedback channel estimation accuracy of the conventional CC-type feedback canceler as well as increases the channel estimation speed of the conventional FDCE = type feedback canceler. Simulation results show that the proposed feedback canceler has better feedback canceling performance and tracking ability for dynamic feedback channels.</div>
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Correlation Canceling-Type Feedback Canceler Based on Decision-Directed Pilot Symbols for T-DMB Repeaters

Correlation Canceling-Type Feedback Canceler Based on Decision-Directed Pilot Symbols for T-DMB Repeaters

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri