Mode and Frame Detection Algorithm for DAB OFDM Receiver

Won-Jae SHIN  Ki-Won KWON  Yong-Je WOO  Hyoungsoo LIM  Hyoung-Kyu SONG  Young-Hwan YOU  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E98-A    No.9    pp.1995-1997
Publication Date: 2015/09/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E98.A.1995
Type of Manuscript: LETTER
Category: Mobile Information Network and Personal Communications
DAB,  mode detection,  frame synchronization,  

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In this letter, a robust algorithm for jointly finding an estimate of the start of the frame and transmission mode is proposed in a digital audio broadcasting (DAB) system. In doing so, the use of differential-correlation based joint detection is proposed, which considers not only the height of correlation peak but also its plateau. We show via simulations that the proposed detection algorithm is capable of robustly detecting the start of a frame and its mode against the variation of signal-to-noise ratio, providing a performance advantage over the conventional algorithm.