A Study on Reducing Transmission Delay in Mobile Video Communication Systems (Special Section on Mutli-dimensional Mobile Information Network)
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概要
- 論文の詳細を見る
Applying ARQ to real time video communication can significantly increase transmission delay due its retransmission operations. We analyze this delay and propose an adaptive error control scheme that uses acknowledgment from the receiver to reduce the delay. We evaluate this scheme using a computer simulation and show that the proposed scheme can reduce the delay by controlling the amount of video data by changing the quantization step size and video frame skipping. It also offers acceptable video quality as confirmed by a subjective evaluation test.
- 社団法人電子情報通信学会の論文
- 1997-07-25
著者
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Kondo Y
Ntt Photonics Laboratories
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Kondo Y
Ntt Opto‐electronics Lab. Kanagawa Pref.
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Kondo Y
Toyohashi Univ. Technol. Toyohashi‐shi Jpn
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Kondo Y
Hitachi Ulsi Systems Co. Ltd. Tokyo Jpn
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MATOBA Naoto
NTT Mobile Communication Network, Inc.
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MATOBA Naoto
NTT Wireless Systems Laboratories
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KONDO Yasushi
NTT Wireless Systems Laboratories
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YAMASHINA Masaki
NTT Human Interface Laboratories
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TANAKA Toshiaki
NTT Wireless Systems Laboratories
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Tanaka T
Kddi R & D Laboratories Inc.
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Matoba Naoto
Ntt Mobile Communication Network Inc.
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Kondo Yasushi
Ntt Wireless System Laboratories
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