Tatsuya Matsukawa

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IEEE802.11 wireless LAN systems are being widely used and multiple wireless LAN coexistence systems like 802.11b/g are available at the same time. However, in such environments, network performance is likely to degrade because the CAMA/CA mechanism does not always work well. Especially in the 802.11b/g systems, issues on performance degradation caused by(More)
In the 5G era, it is expected that various services will be provided on network slices, which are virtualized network resources. Unlike the uniform service level provided in the current Internet, a network slice has to support multiple service levels for various types of services such as IP telephony, Internet-access and IoT/M2M. Because their requirements(More)
The fabric architecture, which can realize massive packet forwarding even with small switches/routers, has been widely used as a network infrastructure in data centers in order to achieve high scalability and low cost. In carrier networks, large scale routers have been adapted as core routers due to the requirement of high density for accommodating a large(More)
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