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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS | 2008-05-16 12:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Reduction of Flicker by Coding and Modulation for Visible Light Communication Shoichi Ishikawa, Masao Nakagawa, Shinichiro Haruyama (Keio Univ.)  OCS2008-1 |
Visible-Light communication is proposed, which uses LED lighting for transmitter and PD for receiver. It enables LED li... [more] |
OCS2008-1 pp.1-4 |
| ITS, IEE-ITS | 2008-03-26 13:00 |
Kyoto | Kyoto University | Inertial Navigation-Based Positioning System for Vehicles using Visible Light Communication Emiko Tsuji, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) ITS2007-82 |
We propose a new Positioning System for Inertial Navigation using Visible Light Communication (VLC). This system can mak... [more] | ITS2007-82 pp.23-28 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-06 13:40 |
Kanagawa | YRP | Detection Method for Recognizing Number of Parallel Transmitted Symbols in MIMO-Cognitive Wireless Communication Osamu Takyu (Tokyo Univ. of Science), Takeo Fujii (Univ. of Electro-Commun.), Yohtaro Umeda (Tokyo Univ. of Science), Masao Nakagawa (Keio Univ.) SR2007-91 |
In cognitive radio system, each mobile station observes the usage of frequency spectrum, detects the vacant frequency sp... [more] | SR2007-91 pp.39-44 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-06 09:40 |
Kanagawa | YRP | A Proposal of Retransmission Scheme with Power Allocation Based on Bit Error Estimation of Relay Station in Cooperative Communication Yuki Fukuyama (Keio Univ.), Osamu Takyu (Tokyo Univ. of Science), Koichi Adachi, Masao Nakagawa (Keio Univ.) RCS2007-212 |
In cooperative communication, a space diversity gain can be obtained by cooperation of the multiple nodes with a single ... [more] | RCS2007-212 pp.157-162 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-07 15:00 |
Kanagawa | YRP | Visible Light Communication and 6-axes Sensor Based Positioning Technique for a Barcode Reader System Chinnapat Sertthin, Emiko Tsuji, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.), Shigeru Kuwano, Shuji Kubota (NTT) WBS2007-109 |
In this paper, we propose a new positioning technique for a barcode reader system based on the visible light communicati... [more] | WBS2007-109 pp.29-34 |
| RCS, SIP | 2008-01-24 16:15 |
Hiroshima | Hiroshima City Uni. | A Theoretical Study on Channel Capacity of MC-CDMA and OFDM Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) SIP2007-152 RCS2007-155 |
[more] | SIP2007-152 RCS2007-155 pp.127-132 |
| RCS, SAT (Joint) |
2007-12-21 14:20 |
Oita | A Study on Channel Capacity of MC-CDMA MIMO Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) RCS2007-131 |
In future wireless communication system, an extremely high spectrum efficient transmission technology is required. Ortho... [more] | RCS2007-131 pp.115-120 |
|
| RCS, AP (Joint) |
2007-11-08 13:55 |
Tokyo | Univ. of Electro-Commun. | A Study on Channel Capacity of MC-CDMA with ICI Canceller Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) RCS2007-102 |
Orthogonal frequency division multiplexing (OFDM) which uses a number of narrow band sub-carriers and multi-carrier code... [more] | RCS2007-102 pp.31-36 |
| RCS, AP (Joint) |
2007-11-09 09:30 |
Tokyo | Univ. of Electro-Commun. | Avoidance of Adjacent Channel Crossed-Slot Interference in TD-CDMA Yoshiyuki Takanashi, Yuji Horii, Masao Nakagawa (Keio Univ.) RCS2007-107 |
In the case of serving different types of services like mobile communication and mobile broadcast on the adjacent freque... [more] | RCS2007-107 pp.61-64 |
| LQE, OPE, OCS | 2007-11-02 09:50 |
Fukuoka | A New Tracking Method using Image Sensor and single Photo Detector for Visible Light Road-to-Vehicle Communication Tsubasa Saito, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) OCS2007-59 OPE2007-114 LQE2007-100 |
Road-to-vehicle communication with LED traffic light have been proposed. The proposed method with PD (single-Photo-Detc... [more] |
OCS2007-59 OPE2007-114 LQE2007-100 pp.93-96 |
|
| LQE, OPE, OCS | 2007-11-02 10:25 |
Fukuoka | The design of high-speed image sensor chip for receiving the data of visible-light ID system Dai Yamanaka, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) OCS2007-60 OPE2007-115 LQE2007-101 |
The standardization of visible-light ID system is conducted in visible-light communication consortium (VLCC). On the oth... [more] | OCS2007-60 OPE2007-115 LQE2007-101 pp.97-102 |
|
| RCS | 2007-10-19 13:00 |
Nagano | Tokyo Uni. of Science, Suwa | A Study on Channel Capacity of MC-CDMA Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tonoku Univ.), Masao Nakagawa (Keio Univ.) RCS2007-91 |
Orthogonal frequency division multiplexing (OFDM), which uses a number of narrow band sub-carriers, and multi-carrier co... [more] | RCS2007-91 pp.67-72 |
| WBS | 2007-10-15 14:45 |
Hiroshima | A Zooming and Focusing Method for Link Establishment in High Speed Parallel Wireless Visible Light Communication System Norio Yasuda, Masanori Ishida, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) WBS2007-35 |
We have proposed a zooming and focusing method for link establishment in high speed parallel wireless visible light comm... [more] | WBS2007-35 pp.17-22 |
|
| WBS | 2007-10-15 15:20 |
Hiroshima | High-accuracy Positioning System using Visible LED Lights and Image Sensor Masaki Yoshino, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) WBS2007-36 |
We propose a new positioning system using visible LED lights and image sensor. GPS is widely used, but its measurement e... [more] | WBS2007-36 pp.23-26 |
|
| RCS, AN (Joint) |
2007-08-23 12:50 |
Niigata | Niigata University | Relativity Synchronous Carrier Sense Multiple Access Method Tran Xuan Mai (Keio Univ.), Takeo Fujii (UEC), Masao Nakagawa (Keio Univ.) RCS2007-53 |
The IEEE 802.11 protocol is one of the most important standards for Wireless Local Area Network. The primary MAC protoc... [more] |
RCS2007-53 pp.1-6 |
| NS, RCS (Joint) |
2007-07-19 10:00 |
Hokkaido | Kitami Institute of Tech. | Noise Reduction Scheme with Using Redundant GI in Uplink IFDMA Akira Yamasaki (Keio Univ.), Osamu Takyu (Tokyo Univ. of Science), Shunsuke Kondo, Masao Nakagawa (Keio Univ.) RCS2007-32 |
Recently, Interleaved Frequency Division Multiple Access (IFDMA) is attracting attention as a future mobile radio system... [more] | RCS2007-32 pp.19-24 |
| NS, RCS (Joint) |
2007-07-19 14:20 |
Hokkaido | Kitami Institute of Tech. | HARQ throughput performance of OFDM MIMO using iterative modified QRD-M Koichi Adachi, Masao Nakagawa (Keio Univ.) RCS2007-37 |
To significantly increase the data throughput without requiring additional bandwidth, application of multiple-input mult... [more] | RCS2007-37 pp.49-54 |
| NS, RCS (Joint) |
2007-07-20 10:30 |
Hokkaido | Kitami Institute of Tech. | Reversed Time Slot Configuration in TDD-CDMA Overlay Systems for Enhanced Downlink Throughput Taketo Ijiri (Keio Univ.), Riaz Esmailzadeh (Carnegie-Mellon Univ.), Masao Nakagawa (Keio Univ.) RCS2007-45 |
With TDD-CDMA, each layer of overlay systems can re-use the same frequency band, and therefore an efficient frequency us... [more] | RCS2007-45 pp.97-102 |
| RCS | 2007-06-28 14:00 |
Aichi | Toyohashi Uni. of Tech. | Frequency Domain Pre and Post Filtering for High Diversity Gain in Cooperative Communication Makoto Yamakoshi (Keio Univ.), Osamu Takyu (Tokyo Science Univ.), Masao Nakagawa (Keio Univ.) RCS2007-11 |
Cooperative communication which realizes space diversity has been attracting attention in recent years. In cooperative c... [more] | RCS2007-11 pp.1-6 |
| RCS | 2007-06-29 10:55 |
Aichi | Toyohashi Uni. of Tech. | Performance evaluation of decision directed channel estimation for single user IFDMA Wei Li (Keio Univ.), Osamu Takyu (TUS), Koichi Adachi, Masao Nakagawa (Keio Univ.) RCS2007-20 |
[more] | RCS2007-20 pp.55-60 |
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