Search Results - "Adachi, F."

Load-Balancing Spectrum Decision for Cognitive Radio Networks by Li-Chun Wang, Chung-Wei Wang, Adachi, F

“…In this paper, we present an analytical framework to design system parameters for load-balancing multiuser spectrum decision schemes in cognitive radio (CR)…”
Get full text

Studies of the outer-off-midplane lower hybrid wave launch scenario for plasma start-up on the TST-2 spherical tokamak by Tsujii, N., Ejiri, A., Ko, Y., Peng, Y., Iwasaki, K., Lin, Y., Shinohara, K., Watanabe, O., Jang, S., Hidano, T., Shirasawa, Y., Tian, Y., Adachi, F., Moeller, C.P.

“…Abstract Establishment of an efficient central solenoid (CS) free tokamak plasma start-up method may lead to an economical fusion reactor. CS-free start-up…”
Get full text

Development of an outer-off-midplane lower hybrid wave launcher for improved core absorption in non-inductive plasma start-up on TST-2 by Ko, Y., Tsujii, N., Ejiri, A., Watanabe, O., Jang, S., Shinohara, K., Iwasaki, K., Peng, Y., Lin, Y., Shirasawa, Y., Hidano, T., Adachi, F., Tian, Y.

“…Abstract A new outer-off-midplane lower hybrid (LH) wave launcher was developed for improved core absorption in the TST-2 spherical tokamak. In the previously…”
Get full text

Nonlinear optimal oil damper design in seismically controlled multi-story building frame by Adachi, F., Yoshitomi, S., Tsuji, M., Takewaki, I.

“…The purpose of this paper is to propose a practical method for optimum design of non-linear oil dampers with relief mechanism installed in multi-story framed…”
Get full text

Broadband CDMA techniques by Adachi, F., Garg, D., Takaoka, S., Takeda, K.

“…A very high-speed wireless access of 100 Mb/s to 1 Gb/s is required for fourth-generation mobile communications systems. However, for such high-speed data…”
Get full text

A case of bullous pemphigoid associated with psoriasis vulgaris showing Hailey-Hailey disease-like histopathological changes in regenerated epidermis without genomic mutation in ATP2C1 or ATP2A2 gene by Iino, Y., Kano, T., Adachi, F., Suzuki, M., Nishikawa, R., Ishii, N., Ohata, C., Furumura, M., Hamada, T., Hashimoto, T.

Get full text

Packet access using DS-CDMA with frequency-domain equalization by Garg, D., Adachi, F.

“…The next-generation mobile communications system is anticipated to support very high-speed data rates exceeding several tens megabits per second. In this…”
Get full text

Frequency-Domain Interchip Interference Cancelation for DS-CDMA Downlink Transmission by Takeda, K., Adachi, F.

“…The use of frequency-domain equalization (FDE) based on minimum-mean-square-error criterion can significantly improve the bit-error-rate (BER) performance of…”
Get full text

Multiuser Detection for Asynchronous Broadband Single-Carrier Transmission Systems by Ishihara, K., Takatori, Y., Kubota, S., Adachi, F.

“…The multiuser multiple-input-multiple-output (MU-MIMO) technique is an attractive candidate in improving spectrum efficiency. However, in the uplink, the…”
Get full text

Experiments on coherent adaptive antenna array diversity for wideband DS-CDMA mobile radio by Tanaka, S., Harada, A., Sawahashi, M., Adachi, F.

“…In wideband direct sequence code division multiple access (W-CDMA), employing an adaptive antenna array is a very promising technique to reduce severe multiple…”
Get full text

Joint frequency-domain differential detection and equalization for DS-CDMA signal transmissions in a frequency-selective fading channel by Liu, L., Adachi, F.

“…It has been revealed that direct sequence code-division multiple access (DS-CDMA) can achieve a good bit-error rate (BER) performance, comparable to…”
Get full text

Theoretical analysis of reverse link capacity for an SIR-based power-controlled cellular CDMA system in a multipath fading environment by Duk Kyung Kim, Adachi, F.

“…Capacity estimation in a code-division multiple-access system is closely related to power control schemes, which complicates the analysis due to the…”
Get full text

Estimation of CSI for LST BS-CDMA systems using special sequences with pre-defined spectral nulls by Dharma, T.S., Madhukumar, A.S., Premkumar, A.B., Adachi, F.

“…Layered space-time block spread CDMA (LST BSCDMA) has been previously proposed as an alternative to conventional CDMA systems for high-rate mobile…”
Get full text

A general SER formula for an OFDM system with MDPSK in frequency domain over Rayleigh fading channels by Kun Zhong, Tjeng Thiang Tjhung, Adachi, F.

“…A closed-form formula for symbol-error rate (SER) of an orthogonal frequency-division multiplexing (OFDM) system with M-ary differential phase-shift keying…”
Get full text

Experimental evaluation of combined effect of coherent RAKE combining and SIR-based fast transmit power control for reverse link of DS-CDMA mobile radio by Higuchi, K., Andoh, H., Okawa, K., Sawahashi, M., Adachi, F.

“…The combined effect of coherent RAKE combining using the weighted multislot averaging (WMSA) channel estimation filter and closed-loop fast transmit power…”
Get full text

BER analysis of 2PSK, 4PSK, and 16QAM with decision feedback channel estimation in frequency-selective slow Rayleigh fading by Adachi, F.

“…The average bit error rate (BER) performances of coherently detected 2PSK, 4PSK, and 16QAM in frequency-selective slow Rayleigh fading are analyzed. Decision…”
Get full text

New Image Retrieval System Utilizing Image Directory on Gigabit Network for Distributing Industrial Product Information by Suzuki, K., Ikeda, H., Ishimaru, K., Suzuki, J., Adachi, F., Xinlei Wang

“…This paper describes a new image database system aimed at the distribution of the industrial-product information, with the aid of the image retrieval using a…”
Get full text

Modulation, coding and signal processing for wireless communications - broadband CDMA techniques by Adachi, F., Garg, D., Takaoka, S., Takeda, K.

Get full text

Decision feedback differential detection of differentially encoded 16APSK signals by Adachi, F., Sawahashi, M.

“…Multiple-symbol differential detection (DD) with reference signal estimation based on the feedback of past detected symbols is presented for differentially…”
Get full text

Guest Editorial Next-Generation CDMA Technologies by Chen, H.-H., Vinck, A.J.H., Bi, Q., Adachi, F., Milstein, L.B.

Get full text