An Efficient Hierarchical Modulation based Orthogonal Frequency Division Multiplexing Transmission Scheme for Digital Video Broadcasting

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Chandra Kala k.; Jayakumari j.

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Journal Paper

Paper Information

Journal: International Journal of Engineering Year:2018 | Volume:31 | Issue:4 (TRANSACTIONS A: Basics) Page(s): 574-579

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Information Journal Paper

Title

An Efficient Hierarchical Modulation based Orthogonal Frequency Division Multiplexing Transmission Scheme for Digital Video Broadcasting

Author(s)

Chandra Kala k. | Jayakumari j. | Issue Writer Certificate

Keywords

Digital Video Broadcasting

Local Content

Global Content

Single Frequency Network

Orthogonal Frequency Division Multiplexing

Hierarchical Modulation

Quatrature Amplitude Modulation

Quadrature Phase Shift

Keying

Abstract

Due to the increase of users the efficient usage of spectrum plays an important role in digital terrestrial television networks. In Digital Video Broadcasting, local and Global Content are transmitted by Single Frequency Network and multifrequency network respectively. Multifrequency network support transmission of Global Content and it consumes large spectrum. Similarly Local Content are well supported by Single Frequency Network. In order to provide better spectral efficiency both local and Global Contents are transmitted in single constellation using Hierarchical Modulation. Hierarchical modulated OFDM system provides good spectral efficiency and robustness to the fading environment. In this paper a hierarchical modulated OFDM system for local service insertion is analyzed and its performance under various channels is been discussed. Convolutional encoder is used in this paper.

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APA: Copy

Chandra Kala, k., & Jayakumari, j.. (2018). An Efficient Hierarchical Modulation based Orthogonal Frequency Division Multiplexing Transmission Scheme for Digital Video Broadcasting. INTERNATIONAL JOURNAL OF ENGINEERING, 31(4 (TRANSACTIONS A: Basics)), 574-579. SID. https://sid.ir/paper/724433/en

Vancouver: Copy

Chandra Kala k., Jayakumari j.. An Efficient Hierarchical Modulation based Orthogonal Frequency Division Multiplexing Transmission Scheme for Digital Video Broadcasting. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2018;31(4 (TRANSACTIONS A: Basics)):574-579. Available from: https://sid.ir/paper/724433/en

IEEE: Copy

k. Chandra Kala, and j. Jayakumari, “An Efficient Hierarchical Modulation based Orthogonal Frequency Division Multiplexing Transmission Scheme for Digital Video Broadcasting,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 31, no. 4 (TRANSACTIONS A: Basics), pp. 574–579, 2018, [Online]. Available: https://sid.ir/paper/724433/en

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