LDPC and turbo coding assisted space-time block coded OFDM for H.26L compressed wireless video telephony

In this contribution we propose an LDPC assisted space-time block coded OFDM transceiver designed for wireless video telephony and characterise its performance when communicating over the UTRA wideband vehicular fading channels. Low density parity check (LDPC) and turbo channel coding schemes are in...

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Bibliographic Details
Main Authors: Chung, J.Y., Alias, M.Y., Guo, F., Hanzo, L.
Format: Conference Proceeding
Language:English
Subjects:
Channel coding
Codecs
Fading
OFDM
Parity check codes
Telephony
Transceivers
Turbo codes
Video compression
Wideband
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Summary:In this contribution we propose an LDPC assisted space-time block coded OFDM transceiver designed for wireless video telephony and characterise its performance when communicating over the UTRA wideband vehicular fading channels. Low density parity check (LDPC) and turbo channel coding schemes are invoked. By concatenating a space-time block coded OFDM scheme with powerful channel codes, the performance of the system can be substantially enhanced. The LDPC codec outperformed the turbo codec in terms of both the achievable video and transmission frame error rate performance.
DOI:10.1109/PIMRC.2003.1259229