NDLI: A DSFBC-OFDM for a Next Generation Broadcasting System With Multiple Antennas

Content Provider	IEEE Xplore Digital Library
Author	Kyung Soo Woo Kyu In Lee Jong Ho Paik Kyung Won Park Won Young Yang Yong Soo Cho
Copyright Year	1963
Abstract	In this paper, we propose a differential space-frequency block code-orthogonal frequency division multiplexing (DSFBC-OFDM) scheme as a multiple-input multiple-output (MIMO) transmission technique for next generation broadcasting system. A linear decoding method for DSFBC, which performs comparably to the ML decoding method, is derived for the cases of two or four transmit antennas. A simple table lookup method is proposed to improve the efficiency of the encoding/decoding process of DSFBC for the case of non-constant modulus constellations. This not only reduces the computational load, but also removes the necessity of channel estimation. Also, synchronization techniques with a DSFBC-encoded phase reference symbol (PRS) are discussed. Finally, an MIMO channel model for the next generation broadcasting system is developed by extending the 3GPP MIMO model to fit broadcasting environments. The MIMO channel model is then used to compare BER performances of differential space block code schemes for various channel environments. Simulation results show that the DSFBC-16QAM scheme using either four transmit antennas with one receive antenna or two transmit antennas with two receive antennas achieves a performance gain of 12 dB, with a data rate twice faster than that of the conventional DQPSK scheme
Sponsorship	IEEE Broadcast Technology Society
Starting Page	539
Ending Page	546
Page Count	8
File Size	629162
File Format	PDF
ISSN	00189316
Volume Number	53
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Broadcasting MIMO Receiving antennas Decoding Transmitting antennas Frequency division multiplexing Table lookup Channel estimation Frequency synchronization Bit error rate table lookup method DSFBC linear decoding MIMO channel model for broadcasting system non-constant modulus constellation OFDM
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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