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IEICE TRANSACTIONS on Communications

Efficient Multi-Service Allocation for Digital Terrestrial Broadcasting Systems

Bo HAO, Jun WANG, Zhaocheng WANG

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Summary :

This paper presents an efficient multi-service allocation scheme for the digital television terrestrial broadcasting systems in which the fixed service is modulated by orthogonal frequency division multiplexing and quadrature amplitude modulation (OFDM/QAM) with larger FFT size and the added mobile service is modulated by OFDM and offset quadrature amplitude modulation (OQAM) with smaller FFT size. The two different types of services share one 8MHz broadcasting channel. The isotropic orthogonal transform algorithm (IOTA) is chosen as the shaping filter for OQAM because of its isotropic convergence in time and frequency domain and the proper FFT size is selected to maximum the transmission capacity under mobile environment. The corresponding transceiver architecture is also proposed and analyzed. Simulations show that the newly added mobile service generates much less out-of-band interference to the fixed service and has a better performance under fast fading wireless channels.

Publication
IEICE TRANSACTIONS on Communications Vol.E97-B No.9 pp.1977-1983
Publication Date
2014/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E97.B.1977
Type of Manuscript
PAPER
Category
Terrestrial Wireless Communication/Broadcasting Technologies

Authors

Bo HAO
  Tsinghua University
Jun WANG
  Tsinghua University
Zhaocheng WANG
  Tsinghua University

Keyword