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Wireless Digital Video Transmission System Using IEEE802.11b PHY with Error Correction Block Based ARQ Protocol
Yoshihiro OHTANI Nobuyuki KAWAHARA Hiroyuki NAKAOKA Tomonobu TOMARU Kazuhito MARUYAMA Toru CHIBA Takao ONOYE Isao SHIRAKAWA
IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Mobile Multimedia Communications)
wireless, video, hybrid ARQ, IEEE 802.11b, MPEG2,
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A new error correction block based Hybrid ARQ protocol, in which PHY layer packets are composed of multiple error correction blocks, is devised together with a retransmission control scheme constructed on the basis of these error correction blocks. This protocol is designed dedicatedly for mobile AV stations to provide the high quality digital video transmission through a radio channel. To analyze the performance of this protocol, the frame loss rate vs. the uncorrectable error probability is simulated, in comparison with the ordinary packet based retransmission control. A wireless video transmission system using IEEE802.11b PHY is also described, which has been developed with the use of a Medium Access Control (MAC) LSI to perform the proposed protocol.