Search Results - "Otaka, Akihiro"

Analysis of mobile fronthaul bandwidth and wireless transmission performance in split-PHY processing architecture by Miyamoto, Kenji, Kuwano, Shigeru, Terada, Jun, Otaka, Akihiro

“…We analyze the mobile fronthaul (MFH) bandwidth and the wireless transmission performance in the split-PHY processing (SPP) architecture, which redefines the…”
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Nondestructive fault localization of IC interconnection by using ultrasonic heating by Matsui, Takuto, Hozumi, Naohiro, Otaka, Akihiro, Matsumoto, Toru

“…A nondestructive method of ultrasonic fault localization of IC interconnection without mold decapsulation was proposed instead of the optical-beam-induced…”
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Novel Automatic Service Restoration Technique by Using Self-Reconfiguration of Network Resources for a Disaster-struck Metro-Access Network by Kanai, Takuya, Senoo, Yumiko, Asaka, Kota, Sugawa, Jun, Tamai, Hideaki, Saito, Hiroyuki, Minato, Naoki, Oguri, Atsushi, Sumita, Seiya, Sato, Takehiro, Kikuchi, Nobuhiko, Matsushita, Shun-ichi, Tsuritani, Takehiro, Okamoto, Satoru, Yamanaka, Naoaki, Suzuki, Ken-ichi, Otaka, Akihiro

“…This paper shows the concept of the elastic lambda aggregation network (EλAN) that will achieve an elastic common access infrastructure for the metro-access…”
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Wireless performance and mobile fronthaul bandwidth of uplink joint reception with LLR combining in split-PHY processing by Miyamoto, Kenji, Shibata, Naotaka, Kuwano, Shigeru, Terada, Jun, Otaka, Akihiro

“…In this paper, we evaluate the wireless uplink performance and the mobile fronthaul (MFH) bandwidth of split-physical layer (PHY) processing (SPP), which is a…”
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TDD pattern estimation and auto-recovery from estimation error for accommodations of fronthaul and secondary services in TDM-PON by Hisano, Daisuke, Uzawa, Hiroyuki, Nakayama, Yu, Shimada, Tatsuya, Terada, Jun, Otaka, Akihiro

“…Time division multiplexing passive optical networks (TDM-PONs) are attracting attention as a cost-effective way of realizing mobile fronthaul (MFH), which is…”
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Low-latency routing for fronthaul network: A Monte Carlo machine learning approach by Nakayama, Yu, Hisano, Daisuke, Kubo, Takahiro, Shimizu, Tatsuya, Nakamura, Hirotaka, Terada, Jun, Otaka, Akihiro

“…A fronthaul bridged network has attracted attention as a way of efficiently constructing the centralized radio access network (C-RAN) architecture. If we…”
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Passive optical network range applicable to cost-effective mobile fronthaul by Ou, Hiroshi, Kobayashi, Takayuki, Shimada, Tatsuya, Hisano, Daisuke, Terada, Jun, Otaka, Akihiro

“…In 5th generation mobile communications systems (5G), the number of small cells with centralized-radio access network (C-RAN) architecture is expected to…”
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Fast OLT-protection method based on normal MPCP and backup wavelength pre-assignment on WDM/TDM-PONs [Invited] by Kaneko, Shin, Yoshida, Tomoaki, Kimura, Shunji, Suzuki, Ken-ichi, Otaka, Akihiro

“…This paper proposes a novel method for N∶1 optical line terminal (OLT) protection on wavelengthdivision- multiplexing/time-division-multiplexing passive…”
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Solutions for Future Mobile Fronthaul and Access-Network Convergence by Kani, Jun-ichi, Terada, Jun, Suzuki, Ken-Ichi, Otaka, Akihiro

“…The trend in broadband access services is shifting from the fixed to the mobile. Accordingly, the role of the optical access network systems is changing from…”
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Gate-Shrunk Time Aware Shaper: Low-Latency Converged Network for 5G Fronthaul and M2M Services by Hisano, Daisuke, Nakayama, Yu, Kubo, Takahiro, Shimizu, Tatsuya, Nakamura, Hirotaka, Terada, Jun, Otaka, Akihiro

“…A time sensitive converged network that can aggregate fronthaul and machine-to-machine (M2M) streams is required for the fifth generation mobile communication…”
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Split-PHY processing architecture to realize base station coordination and transmission bandwidth reduction in mobile fronthaul by Miyamoto, Kenji, Kuwano, Shigeru, Terada, Jun, Otaka, Akihiro

“…We propose a new RAN architecture splitting BS functions within PHY layer. It reduces mobile fronthaul transmission bandwidth by 90 % and achieves BS…”
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Bandwidth allocation scheme based on simple statistical traffic analysis for TDM-PON based mobile fronthaul by Kobayashi, Takayuki, Ou, Hiroshi, Hisano, Daisuke, Shimada, Tatsuya, Terada, Jun, Otaka, Akihiro

“…We propose a bandwidth allocation scheme utilizing simple statistical traffic analysis for TDM-PON based mobile fronthaul. Experiments show that excess…”
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Sub-quarter micron logic-gate-pattern fabrication using halftone phase-shifting masks by OTAKA, A, KAWAI, T

“…A new technique for enhancing the resolution of isolated line patterns is proposed. It is based on the balance in the intensity and the phase between the…”
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Performance evaluation of mobile fronthaul optical bandwidth reduction and wireless transmission in Split-PHY processing architecture by Miyamoto, Kenji, Kuwano, Shigeru, Terada, Jun, Otaka, Akihiro

“…The RAN architecture splitting BS functions within PHY layer is prototyped and evaluated to confirm its validity. Experiments show that mobile fronthaul…”
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Performance evaluation of ethernet- based mobile fronthaul and wireless comp in split-PHY processing by Miyamoto, Kenji, Kuwano, Shigeru, Shimizu, Tatsuya, Terada, Jun, Otaka, Akihiro

“…We experimentally evaluate the mobile fronthaul (MFH) optical bandwidth and wireless coordinated multipoint (CoMP) transmission and reception performance in…”
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Predictive Bandwidth Allocation Scheme With Traffic Pattern and Fluctuation Tracking for TDM-PON-Based Mobile Fronthaul by Hisano, Daisuke, Uzawa, Hiroyuki, Nakayama, Yu, Nakamura, Hirotaka, Terada, Jun, Otaka, Akihiro

“…In future radio access systems, since the number of mobile base stations will increase to cope with the increasing mobile traffic, the number of mobile…”
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Proposed high-efficiency packet forwarding method under multihome environment by Shiota, Hiroshi, Otaka, Akihiro, Nakashima, Takashi, Okumura, Yasuyuki

“…In the past few years, communication among clients, such as IP video telephony and file sharing, that is peer‐to‐peer (P2P) communication, has increased. P2P…”
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Demonstration of 10-Gbps Real-Time Reed–Solomon Decoding Using GPU Direct Transfer and Kernel Scheduling for Flexible Access Systems by Suzuki, Takahiro, Sang-Yuep Kim, Kani, Jun-ichi, Hanawa, Toshihiro, Suzuki, Ken-Ichi, Otaka, Akihiro

“…In recent years, the applicability of network function virtualization and software-defined networks to optical access systems has been studied for reducing…”
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Burst-mode digital signal processing that pre-calculates FIR filter coefficients for digital coherent pon upstream by Koma, Ryo, Fujiwara, Masamichi, Kani, Jun-Ichi, Suzuki, Ken-Ichi, Otaka, Akihiro

“…This paper proposes a burst-mode digital signal processing architecture for digital coherent time-divisionmultiplexed passive optical network (PON) upstream…”
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Flexible Access System Architecture (FASA) to Support Diverse Requirements and Agile Service Creation by Kani, Jun-ichi, Yoshino, Manabu, Asaka, Kota, Ujikawa, Hirotaka, Yamada, Takashi, Nishimoto, Keita, Suzuki, Ken-Ichi, Otaka, Akihiro

“…This paper summarizes our studies on the flexible access system architecture (FASA), which will support a wide range of services and stimulate the creation of…”
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