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Performance Analysis of Frame Synchronization and Structure Detection Utilizing Multiple Frames of the DVB-S2 Satellite Broadcasting System  

Kim, Sang-Tae (서강대학교 전자공학과 디지털전송연구실)
Kang, Seok-Heon (서강대학교 전자공학과 디지털전송연구실)
Sung, Won-Jin (서강대학교 전자공학과 디지털전송연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.2A, 2008 , pp. 139-147 More about this Journal
Abstract
DVB-S2 (Digital Video Broadcasting-Satellite, Version 2) system transmits frames which adapt their structures based on the channel conditions, thus requiring simultaneous detection of the start of the Same (SoF) and the frame structure at the initial acquisition stage of the receiver. Also, a very low value of the minimum operating signal-to-noise ratio (SNR) for the acquisition necessitates a method utilizing multiple received frames to meet the required performance. In this paper, performance of joint time synchronization and frame structure detection methods using multiple DVB-S2 frames is evaluated by deriving the detection error probability. In particular, we evaluate the performance and complexity variations when the soft- and hard-decision values of the signal correlation output are used, present the synchronization parameters to optimize the performance, and verify the analysis results via computer simulations.
Keywords
Frame synchronization Digital video broadcasting Satellite transmission; Mis-detection probability; soft combining;
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