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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2009-08-04 16:50 |
Miyagi | Tohoku Univ. | A Study on Signal Detection for MC-CDMA Kazunori Yamamoto, Koichi Adachi, Masao Nakagawa (Keio Univ.)  RCS2009-108 |
Multi-carrier-code division multiple access (MC-CDMA) is a promising candidate for the next generation mobile communicat... [more] | RCS2009-108 pp.177-182 |
| SR | 2009-07-30 09:55 |
Tokyo | Tokyo institute of technology | Modulation Identification with Mean Power Variance in CDMA Wireless Communication System Narimasa Sugimoto, Osamu Takyu, Yohtaro Umeda (Tokyo Univ. of Science), Takeo Fujii (AWCC), Masao Nakagawa (Keio Univ.) SR2009-39 |
Cognitive Radio is a wireless communication system which makes it possible to use the channel resources more efficiently... [more] | SR2009-39 pp.107-112 |
| USN, IPSJ-UBI | 2009-07-17 16:00 |
Kyoto | ATR (Kyoto) | High Accuracy Indoor Positioning System utilizing Optical Power Difference in Visible Light Communication Daiki Naruo, Chinnapat Sertthin, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) USN2009-26 |
The compact car for indoor purpose and autonomous support robots are developed to support the aging society, due to many... [more] | USN2009-26 pp.157-162 |
| SR | 2009-05-29 10:30 |
Niigata | Niigata Univ | A study on Pattern Recognition for Number of Parallel Transmitted Symbols in MIMO Cognitive Wireless Communication Masahiro Furuichi, Osamu Takyu, Yohtaro Umeda (Tokyo Univ. of Science), Takeo Fujii (The Univ. of Electro-Comm.), Masao Nakagawa (Keio Univ.) SR2009-11 |
In Cognitive radio system, a mobile station senses the usage of channel communication resources and thus specifies the v... [more] | SR2009-11 pp.69-74 |
| RCS, IN (Joint) |
2009-05-21 11:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Selective Cooperative Relay System with ARQ Exploiting Inter-relay Opportunistic Listening Nandar Lynn (Keio Univ.), Osamu Takyu (Tokyo Univ. of Science), Koichi Adachi (Keio Univ), Masao Nakagawa (Keio Univ.) RCS2009-8 |
In this paper, we propose a selective cooperative relay system with automatic repeat request (ARQ) and then provide a th... [more] | RCS2009-8 pp.43-48 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-05 09:20 |
Kanagawa | YRP | Fundamental Study of Cognitive Radio System enlarging acceptable Transmitter Power by Transmit power control based Detection of Modulation Scheme Kouji Mochiduki, Osamu Takyu, Yohtaro Umeda (Tokyo Univ. of Science), Takeo Fujii (The Univ. of Electro-Comm.), Masao Nakagawa (Keio Univ.) SR2008-102 |
[more] | SR2008-102 pp.87-92 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-05 09:20 |
Kanagawa | YRP | Phase Rotation/MC-CDMA for Uplink transmission Koichi Adachi, Masao Nakagawa (Keio Univ.) RCS2008-233 |
In the uplink transmission of a cellular system, multi-access interference (MAI) is a big problem. To eliminate the MAI,... [more] | RCS2008-233 pp.125-130 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-06 09:00 |
Kanagawa | YRP | A Study on Cooperative Communication Using Three Time Slots with Interference Canceller Makoto Yamakoshi, Koichi Adachi, Masao Nakagawa (Keio Univ.) RCS2008-252 |
Cooperative communication which realizes space diversity has been attracting attention in recent years. In cooperative c... [more] | RCS2008-252 pp.237-242 |
| CAS, CS, SIP | 2009-03-02 13:30 |
Gifu | Nagaragawa Convention Center | Multiband RF Fingerprint Based Location System Chinnapat Sertthin (Keio Univ.), Takeo Fujii (Univ. of Electro-Comm.), Masao Nakagawa (Keio Univ.) CAS2008-110 SIP2008-173 CS2008-84 |
In this paper, we proposed multiband RF fingerprint based location system employing the frequency diversity of received ... [more] | CAS2008-110 SIP2008-173 CS2008-84 pp.55-60 |
| SIP, RCS | 2009-01-23 13:45 |
Kumamoto | Kumamoto University | Multicode MC-CDMA Virtual MIMO System and Iterative ICI Cancellation Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) SIP2008-156 RCS2008-204 |
Multi-carrier-code division multiple access (MC-CDMA) has been attracting much attention because it can eliminate the ad... [more] | SIP2008-156 RCS2008-204 pp.189-194 |
| RCS, SAT (Joint) |
2008-12-19 13:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design of Orthogonal Spreading Code Groups for MC-CDMA with FDE in A Frequency Selective Channel Koichi Adachi, Masao Nakagawa (Keio Univ.) RCS2008-171 |
The bit error rate (BER) performance of multicode MC-CDMA severly degrades due to the inter-code interference (ICI) in a... [more] | RCS2008-171 pp.121-126 |
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 13:00 |
Oita | Measurement System using Visible Light Communication and Image Sensor Masaki Yoshino, Hideaki Uchiyama, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.), Takao Kakehashi, Naoki Nagamoto (Sumitomo Mitsui Const.) OCS2008-84 |
We propose a new measurement system using visible light communication and image sensor. Measurement is a essential techn... [more] | OCS2008-84 pp.1-6 |
|
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 13:25 |
Oita | Experimental Investigation of New Diffusing Optical System for Short Range High Speed Visible Light Communications Norio Yasuda, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) OCS2008-85 |
In this paper, we propose a new optical diffusing system for short range high speed optical wireless communication to tr... [more] | OCS2008-85 pp.7-11 |
|
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 13:50 |
Oita | Experimental Investigation of Optical Wireless Communication with OLED Masayoshi Kanda, Shinichiro Haruyama, Masao Nakagawa (Keio Univ.) OCS2008-86 |
the organic electroluminescence(OLED) technology attracts attention as display, television and the new lighting equipmen... [more] | OCS2008-86 pp.13-17 |
|
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 14:15 |
Oita | A Study on Optical Wireless Train Communication System using Mobile Object Tracking Technique Masato Hiruta, Shinichiro Haruyama, Masao Nakagawa, Syouichi Ishikawa (Keio Univ.) OCS2008-87 |
In recent years, for the realization of the ubiquitous society, the demand of the information infrastructure development... [more] | OCS2008-87 pp.19-23 |
|
| AP, RCS (Joint) |
2008-11-19 14:50 |
Ishikawa | Kanazawa Institute of Technology | BER Performance of Uplink IFDMA with Iterative Interference Cancellation Akira Yamasaki, Koichi Adachi, Masao Nakagawa (Keio Iniv.) RCS2008-134 |
Recently, interleaved frequency division multiple access (IFDMA) has been attracting attention as a multiple access sche... [more] | RCS2008-134 pp.25-30 |
| AP, RCS (Joint) |
2008-11-21 10:45 |
Ishikawa | Kanazawa Institute of Technology | HARQ with Chase Combining for Vector Coding Yoshiyuki Takanashi, Koichi Adachi, Daisuke Takeda, Masao Nakagawa (Keio Univ.) RCS2008-148 |
In vector coding (VC) transmission, path diversity gain can be obtained while transmitted symbols are orthogonally multi... [more] | RCS2008-148 pp.107-112 |
| SR, RCS, USN, AN (Joint) |
2008-10-22 14:00 |
Okinawa | Okinawa industry support center | Space Division Multiplexing for MC-CDMA Based on Phase Rotation Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) RCS2008-106 |
Multi-carrier-code division multiple access (MC-CDMA) has been attracting much attention because of its capabilities to ... [more] | RCS2008-106 pp.19-24 |
| SR, RCS, USN, AN (Joint) |
2008-10-24 14:55 |
Okinawa | Okinawa industry support center | Wideband,Fast, and Wide-Dynamic-Range Spectrum Sensing Using Multi-Stage Spectrum Detection Hiroyuki Abe, Yohtaro Umeda, Osamu Takyu (Tokyo Univ. of), Takeo Fujii (The Univ. of Electro-Communications), Masao Nakagawa (Keio Univ.) SR2008-64 |
[more] | SR2008-64 pp.181-188 |
| RCS | 2008-08-27 14:55 |
Hokkaido | Hokkaido University | An Analysis of Cellular Channel Capacity Under Worst Case Condition Koichi Adachi (Keio Univ.), Fumiyuki Adachi (Tohoku Univ.), Masao Nakagawa (Keio Univ.) RCS2008-64 |
In cellular communication systems, the same carrier-frequency is re-used at spatially separated base stations (BSs) to e... [more] | RCS2008-64 pp.67-72 |
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