A data broadcasting system expanding the information capacity of existing analog communication systems

Wonzoo Chung, Thomas J. Endres, Christopher D. Long

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper presents the physical layer functions powering a new wireless data broadcasting system over analog television signals, referred to as dNTSC system (for data over National Television System Committee (NTSC) standard). Novel data insertion techniques at the transmitter and data extraction techniques at the receiver allow data rates of 1-4 Mbps that coexist with existing analog transmission but do not adversely affect normal television reception. Novel digital signal processing (DSP) techniques include a video abatement system that reduces data-to-video crosstalk for unimpaired analog television reception, adaptive nonlinear amplifier compensation, and advanced video cancellation and adaptive data equalization methods in the receiver. An analysis of the dNTSC system through noisy, multipath channels reveals the subtleties of the dNTSC system, compared to a conventional, dedicated digital communication link.

Original languageEnglish
Pages (from-to)180-190
Number of pages11
JournalIEEE Transactions on Broadcasting
Volume51
Issue number2
DOIs
Publication statusPublished - 2005 Jun 1
Externally publishedYes

Fingerprint

Channel capacity
Broadcasting
Television
Communication systems
Television systems
Multipath propagation
Crosstalk
Digital signal processing
Telecommunication links
Transmitters

Keywords

  • Communication channel
  • Digital communication
  • Digital data broadcast
  • Equalization
  • Receiver
  • Transmitter

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

A data broadcasting system expanding the information capacity of existing analog communication systems. / Chung, Wonzoo; Endres, Thomas J.; Long, Christopher D.

In: IEEE Transactions on Broadcasting, Vol. 51, No. 2, 01.06.2005, p. 180-190.

Research output: Contribution to journalArticle

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