Motoharu Miyake

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Wireless networks have the feature that the data-rate in a wireless link varies with the signal quality. TCP congestion control cannot handle such data-rate variation in the wireless link and its performance deteriorates. In this paper, we propose a TCP flow control scheme that suits 3G mobile communication systems. The proposed flow control scheme can(More)
The purpose of this research is to realize a service discovery protocol that offers denial-of-service (DoS) attack resistance such that even devices with poor CPU resources can be protected from, attacks by more powerful clients. We propose a brand-new method that extends the existing Puzzle Auction, a general-purpose anti-DoS method, by combining it with(More)
† DoCoMo Communication Laboratories, USA Inc. ‡ Department of Information and Computer, Keio University Summary We are facing two major cause of performance degradation in TCP traffic over wireless network such as W-CDMA that utilizing link ARQ mechanisms; jitter and loss in streams of segments. For mitigating the degradations, we explored and achieved as(More)
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