DocumentCode :
2926184
Title :
Pre- and post-FFT MISO processing for digital on-channel repeater with receive antenna arrays
Author :
Jeon, Sungho ; Choi, Jeongmin ; Bae, Jaehyun ; Yim, Zungkon ; Lee, Beomgoo ; Kim, Man-Sik ; Seo, Jong-Soo
Author_Institution :
Tech. Res. Inst., Korean Broadcasting Syst. (KBS), Seoul, South Korea
fYear :
2012
fDate :
27-29 June 2012
Firstpage :
1
Lastpage :
5
Abstract :
We propose a novel digital on-channel repeater (DOCR) for T-DMB system where DOCR is equipped with multiple receive antennas. Prior works have focused on the DOCR with a single antenna so that the equalized DOCR (E-DOCR) combined with time-domain zero-forcing equalizer and feedback interference canceller is the latest structure. In this paper, the new paradigm structure is proposed by introducing multiple-input single-output (MISO) processing based on receive antenna arrays. In order not to increase the processing delay due to multiple inputs, DOCR is designed based on the parallel structure. Each MISO processing block is located in parallel for each input and will not therefore introduce delay into the main signal path. To exploit the array gain fully, two different techniques for MISO processing are proposed, named MRC-DOCR and MMSE-DOCR: i) post-FFT based maximal ratio combining (MRC) method and ii) pre-FFT based minimum mean square error (MMSE) method.
Keywords :
antenna arrays; digital multimedia broadcasting; diversity reception; equalisers; fast Fourier transforms; interference suppression; least mean squares methods; radio repeaters; receiving antennas; time-domain analysis; MMSE-DOCR; MRC-DOCR; T-DMB system; digital on-channel repeater; equalized DOCR; feedback interference canceller; maximal ratio combining method; minimum mean square error method; multiple-input single-output processing; post-FFT MISO processing; post-FFT-based MRC method; pre-FFT MISO processing; pre-FFT-based MMSE method; processing delay; receive antenna arrays; signal path; time-domain zero-forcing equalizer; Channel estimation; Diversity reception; Finite impulse response filter; Interference; Receiving antennas; Signal to noise ratio; Time domain analysis;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Broadband Multimedia Systems and Broadcasting (BMSB), 2012 IEEE International Symposium on
Conference_Location :
Seoul
ISSN :
2155-504
Print_ISBN :
978-1-4673-0293-7
Electronic_ISBN :
2155-504
Type :
conf
DOI :
10.1109/BMSB.2012.6264271
Filename :
6264271
Link To Document :
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