Search Results - "Abeta, S"

Fast packet scheduling algorithm based on instantaneous SIR with constraint condition assuring minimum throughput in forward link by Ofuji, Y., Abeta, S., Sawahashi, M.

“…This paper proposes a new fast packet-scheduling algorithm based on instantaneous received signal-to-inference power ratio (SIR) with a constraint condition…”
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Cytotoxicity of excitatory sulfur amino acids in primary cultured rat cerebral neurons by Abeta, S

“…The elevation of taurine level in the central nervous system of patients with amyotrophic lateral sclerosis (ALS) indicates the presence of derangement in…”
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Throughput comparison between VSF-OFCDM and OFDM considering effect of sectorization in forward link broadband packet wireless access by Maeda, N., Atarashi, H., Abeta, S., Sawahashi, M.

“…This paper compares the forward link radio link capacity between variable spreading factor-orthogonal frequency and code division multiplexing (VSF-OFCDM) with…”
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Unified packet scheduling method considering delay requirement in forward link broadband wireless access by Ofuji, Y., Abeta, S., Sawahashi, M.

“…This paper proposes a unified packet scheduling method that considers the delay requirement of each traffic data packet whether real time (RT) or non-real time…”
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Performance of forward link broadband OFCDM packet wireless access using MMSE combining scheme based on SIR estimation by Maeda, N., Atarashi, H., Abeta, S., Sawahashi, M.

“…This paper proposes a pilot channel assisted minimum mean square error (MMSE) combining scheme in orthogonal frequency and code division multiplexing (OFCDM)…”
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Multipath interference canceller using soft-decision replica combined with hybrid ARQ in W-CDMA forward link by Miki, N., Abeta, S., Atarashi, H., Sawahashi, M.

“…This paper proposes a multipath interference canceller (MPIC) that employs soft-decision replica generation combined with hybrid ARQ (HARQ) to achieve a peak…”
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Broadband packet wireless access appropriate for high-speed and high-capacity throughput by Atarashi, H., Abeta, S., Sawahashi, M.

“…This paper evaluates the optimum broadband packet wireless access scheme using a 50-100 MHz bandwidth to achieve highspeed packet transmission taking into…”
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Effect of branched-chain amino acids on glutamate neurotoxicity in primary cultured rat cerebral neurons by Abeta, S, Inoue, N, Matsui, H, Yoshino, Y

“…The neurotoxicity of glutamate has recently been postulated to participate in the pathogenesis of amyotrophic lateral sclerosis (ALS), and branched-chain amino…”
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Performance of very low rate channel coding in W-CDMA reverse link by Abeta, S., Kobayashi, H.

“…This paper investigates the packet error rate (PER) and the throughput performance employing code spreading (CS), in which a very low-rate channel coding is…”
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Comparison of packet scheduling algorithms focusing on user throughput in high speed downlink packet access by Ofuji, Y., Morimoto, A., Abeta, S., Sawahashi, M.

“…This paper compares by computer simulation the achievable throughput performance employing fast packet scheduling algorithm focusing on the throughput of each…”
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Broadband packet wireless access incorporating high-speed IP packet transmission by Abeta, S., Atarashi, H., Sawahashi, M.

“…This paper proposes broadband packet wireless access focusing on the data link layer incorporating the IP-based core network, employing variable spreading…”
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Coherent multicarrier/DS-CDMA and MC-CDMA for broadband packet wireless access by Abeta, S., Atarashi, H., Sawahashi, M., Adachi, F.

“…This paper compares the packet error rate (PER) performance levels of 3 access schemes, i.e., single-carrier (SC)/DS-CDMA, multi-carrier (MC)/DS-CDMA, and…”
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Cell selection based on shadowing variation for forward link broadband OFCDM packet wireless access by Morimoto, A., Abeta, S., Sawahashi, M.

“…This paper proposes cell (sector) selection based on shadowing variation for forward-link orthogonal frequency and code division multiplexing (OFCDM) packet…”
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Experiments on fast sector selection with entire-bandwidth assignment in forward link for OFCDM broadband packet wireless access by Morimoto, A., Abeta, S., Sawahashi, M.

“…This work presents experimental results on fast sector selection (FSS) with entire-bandwidth assignment in the forward link for orthogonal frequency and code…”
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Antenna diversity reception appropriate for MMSE combining in frequency domain for forward link OFCDM packet wireless access by Maeda, N., Atarashi, H., Abeta, S., Sawahashi, M.

“…This paper presents an optimum antenna diversity combining method associated with despreading that employs minimum mean square error (MMSE) combining over the…”
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Toward LTE commercial launch and future plan for LTE enhancements (LTE-Advanced) by Abeta, S

“…As a promising radio access technology for next generation mobile communication systems, LTE (Long-Term Evolution) is being standardized by the 3rd Generation…”
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Evaluation of throughput and coverage employing multipath interference canceller in high-speed downlink packet access in multipath fading channel by Higuchi, K., Morimoto, A., Abeta, S., Sawahashi, M.

“…This paper presents the throughput performance based on system-level simulations employing essential techniques, e.g.. the adaptive modulation and channel…”
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Iterative decision-directed path search and channel estimation for multi-carrier/DS-CDMA broadband packet wireless access by Aturashi, H., Abeta, S., Sawahashi, M., Adachi, F.

“…This paper proposes an iterative timing detection of multipath components for coherent Rake combing (path search) and channel estimation method in…”
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Experimental evaluation on effect of hybrid ARQ with packet combining in forward link for VSF-OFCDM broadband wireless access by Miki, N., Atarashi, H., Higuchi, K., Abeta, S., Sawahashi, M.

“…This paper experimentally investigates the throughput performance employing hybrid automatic repeat request (ARQ) with a packet combining algorithm, i.e…”
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Field Experimental Results on E-UTRA Downlink Throughput Using Polarization Diversity Antennas by Takahashi, H., Ofuji, Y., Fukumoto, S., Abeta, S., Nakamura, T.

“…This paper investigates the effect of the antenna (polarization diversity (PD) or space diversity (SD)) configuration at evolved Node B and antenna angle of…”
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