Search Results - "Kudo, Riichi"

Using vision-based object detection for link quality prediction in 5.6-GHz channel by Kudo, Riichi, Takahashi, Kahoko, Inoue, Takeru, Mizuno, Kohei

“…Various smart connected devices are emerging like automated driving cars, autonomous robots, and remote-controlled construction vehicles. These devices have…”
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Experimental Results of Network-Assisted Interference Suppression Scheme Using Adaptive Beam-Tilt Switching by Mizoguchi, Masato, Ishihara, Koichi, Kudo, Riichi, Murakami, Tomoki, Honma, Naoki

“…This paper introduces a network-assisted interference suppression scheme using beam-tilt switching per frame for wireless local area network systems and its…”
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A channel state information feedback method for massive MIMO-OFDM by Kudo, Riichi, Armour, Simon M. D., McGeehan, Joe P., Mizoguchi, Masato

“…Combining multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) with a massive number of transmit antennas (massive MIMO-OFDM)…”
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Fast Control Method of Parasitic Antennas Using Noniterative Algorithm in Multiantenna System by Honma, N., Nishimori, K., Kudo, R., Takatori, Y., Mizoguchi, M.

“…A fast control method for parasitic antennas based on a noniterative measurement is proposed in this paper. This method uses the channel state information at…”
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Wide-range and fast-tracking frequency offset estimator for optical coherent receivers by Nakagawa, Tadao, Ishihara, Koichi, Kobayashi, Takayuki, Kudo, Riichi, Matsui, Munehiro, Takatori, Yasushi, Mizoguchi, Masato

“…A blind spectrum-based frequency offset estimator with fast tracking time is presented. A receiver using the proposed estimator to eliminate the frequency…”
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A Channel State Information Feedback Method for Massive MIMO-OFDM by Kudo, Riichi, Armour, Simon M.D, McGeehan, Joe P, Mizoguchi, Masato

“…Combining multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) with a massive number of transmit antennas (massive MIMO-OFDM)…”
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1.58 Tbps OAM Multiplexing Wireless Transmission With Wideband Butler Matrix for Sub-THz Band by Sasaki, Hirofumi, Yagi, Yasunori, Kudo, Riichi, Lee, Doohwan

“…Mobile traffic growth requires the advancement of not only the wireless access networks but also their backhaul and fronthaul. Terabit-class wireless backhaul…”
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Real2Sim2Real for Point Cloud-Based mmWave Link Quality Prediction: An Empirical Study by Ohta, Shoki, Nishio, Takayuki, Kudo, Riichi, Takahashi, Kahoko, Nagata, Hisashi

“…This paper demonstrates the feasibility of the real to-sim-to-real (Real2Sim2Real) scheme for point cloud-based proactive millimeter-wave (mmWave) link quality…”
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Spatial Domain Resource Sharing for Overlapping Cells in Indoor Environment by Takatori, Yasushi, Kudo, Riichi, Nishimori, Kentaro, Ichikawa, Takeo, Murakami, Tomoki, Mizoguchi, Masato, Morikura, Masahiro

“…As microcell wireless systems become more widespread, intercell interference among the access points will increase due to the limited frequency resource. In…”
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Multiple UE Link Selection for 28GHz Channel in 5G Network by Kageyama, Tomoya, Yamada, Takayuki, Kudo, Riichi, Aoki, Yuya, Morihiro, Yoshifumi

“…Millimeter-wave (mm-wave) band use is the key to meet the demand for high-speed wireless communication in future mobile networks. The mm-wave throughput…”
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Millimeter-wave Received Power Prediction Using Point Cloud Data and Supervised Learning by Ohta, Shoki, Nishio, Takayuki, Kudo, Riichi, Takahashi, Kahoko

“…This paper demonstrates the feasibility of predicting the future received power of millimeter-wave (mmWave) communication using point cloud data. To mitigate…”
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Point Cloud-Based Proactive Link Quality Prediction for Millimeter-Wave Communications by Ohta, Shoki, Nishio, Takayuki, Kudo, Riichi, Takahashi, Kahoko, Nagata, Hisashi

“…This study demonstrates the feasibility of point cloud-based proactive link quality prediction for millimeter-wave (mmWave) communications. Previous studies…”
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Coherent Optical Single Carrier Transmission Using Overlap Frequency Domain Equalization for Long-Haul Optical Systems by Kudo, R., Kobayashi, T., Ishihara, K., Takatori, Y., Sano, A., Miyamoto, Y.

“…In this paper, we present coherent optical single carrier transmission (COSC) using overlap frequency domain equalization (OFDE) for the chromatic dispersion…”
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5G Throughput Prediction For 28 GHz Channels Using Physical Space Information by Nagata, Hisashi, Kudo, Riichi, Takahashi, Kahoko, Fujita, Takafumi, Takasugi, Koichi, Aoki, Yuya, Horise, Yuki, Morihiro, Yoshifumi

“…Recent advances in wireless communication technology such as fifth-generation (5G) have enabled the creation of various novel applications. As a result, a…”
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No-Guard-Interval Coherent Optical OFDM for 100-Gb/s Long-Haul WDM Transmission by Sano, A., Yamada, E., Masuda, H., Yamazaki, E., Kobayashi, T., Yoshida, E., Miyamoto, Y., Kudo, R., Ishihara, K., Takatori, Y.

“…This paper describes coherent optical orthogonal frequency division multiplexing (CO-OFDM) techniques for the long-haul transmission of 100-Gb/s-class…”
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Packet Collision Reduction Scheme for LTE V2X Sidelink Communications by Maruko, Tomoki, Yasukawa, Shinpei, Kudo, Riichi, Nagata, Satoshi, Iwamura, Mikio

“…Vehicle-to-everything (V2X) communications is one of key to further developing intelligent transport systems. In 2017, the long-term evolution V2X (LTE V2X)…”
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QoE-driven Link Quality Prediction for Video Streaming in Mobile Networks by Wang, Yitu, Kudo, Riichi, Aoki, Yuya, Morihiro, Yoshifumi, Takahashi, Kahoko, Nagata, Hisashi

“…The link quality prediction facilitates high quality video streaming over mobile networks. However, the existing link quality prediction algorithms focus on…”
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Attenuators enable inversely proportional transmission power and carrier sense threshold setting in WLANs by Okuhara, Daichi, Shiotani, Fumiya, Yamamoto, Koji, Nishio, Takayuki, Morikura, Masahiro, Kudo, Riichi, Ishihara, Koichi

“…Inserting attenuators between transceivers and antennas is proposed to improve spatial channel reuse in carrier sense multiple access with collision avoidance…”
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Field Experiments on Sensor Data Transmission for 5G-Based Vehicle-Infrastructure Cooperation by Ogawa, Akihiro, Kuroda, Shinsuke, Ushida, Katsunori, Kudo, Riichi, Tateishi, Kiichi, Yamashita, Hidenori, Kantou, Takuji

“…This paper reported field experimental results of sensor data transmission for vehicle-infrastructure cooperation by using the 5G network. High-definition data…”
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Development and experimental validation of downlink multiuser MIMO-OFDM in gigabit wireless LAN systems by Ishihara, Koichi, Asai, Yusuke, Kudo, Riichi, Ichikawa, Takeo, Takatori, Yasushi, Mizoguchi, Masato

“…Multiuser multiple-input multiple-output (MU-MIMO) has been proposed as a means to improve spectrum efficiency for various future wireless communication…”
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