Search Results - "Soya, Hayato"

Excluded Channel Selection Scheme for Dynamic Spectrum Sharing in Various Interference Environments by So, Hideya, Soya, Hayato

“…Dynamic spectrum sharing (DSS), in which multiple wireless systems share the same radio resource, has been considered to improve frequency utilization…”
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Two-Step Channel Observation Scheme Considering Spread of Observation Results in Dynamic Spectrum Sharing by So, Hideya, Soya, Hayato

“…Dynamic Spectrum Sharing (DSS), in which multiple wireless systems share the same radio resource, has been studied to improve frequency utilization efficiency…”
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Spectrum Sensing Scheme Measuring Packet Lengths of Interfering Systems for Dynamic Spectrum Sharing by So, Hideya, Soya, Hayato, Fukawa, Kazuhiko

“…For the dynamic spectrum sharing (DSS), this paper proposes a spectrum sensing scheme that measures packet lengths of interfering systems. DSS requires…”
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Throughput performance of local 5G downlink in SU-MIMO under outdoor environments by Urasawa, Hiroki, Soya, Hayato, Yamaguchi, Kazuhiro, Matsue, Hideaki

“…We evaluated the throughput performance, including received power, in 4×4 single-user multiple-input multiple-output (SU-MIMO) transmission for synchronous…”
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Transmission performance of 4K high resolution real-time video streaming signal for a local 5G uplink by Matsue, Hideaki, Nishizima, Takamasa, Urasawa, Hiroki, Bairaku, Ryota, Soya, Hayato, Mamaguchi, Kazihiro

“…For a local 5G uplink, we newly created an environment in which packet errors can be stably and deliberately controlled by adding a load to the transmission…”
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Optimal Channel Selection Rate of Slave Terminal for Rendezvous Channel Scheme based on Channel Occupancy Rate by Nishio, Yuki, Takyu, Osamu, Soya, Hayato, Ohta, Mai, Fujii, Takeo

“…In dynamic spectrum access based on cognitive radio, two terminals (master and slave) cannot recognize the accessing channel. For exchanging the control signal…”
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Modified rendezvous scheme with inferring access channel probability of slave by master by Soya, Hayato, Takyu, Osamu, Shirai, Keiichiro, Sasamori, Fumihito, Handa, Shiro, Ohta, Mai, Fujii, Takeo

“…A rendezvous scheme based on frequency hopping can compensate for this mismatch by exchanging control signals through a selected channel in accordance with a…”
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Measurement Technique for Occupancy Ratio and Transition Ratio in Cognitive Radio System by Soya, Hayato, Takyu, Osamu, Shirai, Keiichiro, Ohta, Mai, Fujii, Takeo, Sasamori, Fumihito, Handa, Shiro

“…This paper proposes the novel high accuracy and low complexity measurement for channel occupancy ratio (COR) and channel transition ratio (CTR). In cognitive…”
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