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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR, RCS, USN, AN (Joint) |
2008-10-24 14:55 |
Okinawa | Okinawa industry support center | Study on Transmission Direction Switching Focusing on Asymmetry in Half-Duplex Cooperative Relaying Takaaki Saeki (Kyoto Univ.), Koji Yamamoto (Royal Inst. of Tech./Kyoto Univ.), Hidekazu Murata, Susumu Yoshida (Kyoto Univ.)  RCS2008-125 |
Cooperative relaying is a promising technique to provide spatial diversity by combining the received signals from source... [more] | RCS2008-125 pp.135-140 |
| SR, RCS, USN, AN (Joint) |
2008-10-24 15:15 |
Okinawa | Okinawa industry support center | Study on Link for Control in Channel-Gain-Based Transmission Scheduling for Cooperative Relaying Naotaka Shibata (Kyoto Univ.), Koji Yamamoto (Royal Inst. of Tech./Kyoto Univ.), Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) RCS2008-126 |
Transmission scheduling in cooperative relaying is studied for achieving high spectral efficiency, assuming that coopera... [more] | RCS2008-126 pp.141-146 |
| RCS | 2008-08-27 15:20 |
Hokkaido | Hokkaido University | An Efficient Relaying Scheme for High Spectral Efficiency in Cellular Environments Yoshitaka Hara, Hiroshi Kubo (Mitsubishi Electric) RCS2008-65 |
This paper proposes an amplifier and forward (AF) relaying scheme for high spectral efficiency in cellular environments.... [more] | RCS2008-65 pp.73-78 |
| SIP, WBS | 2008-07-25 13:25 |
Hiroshima | Hiroshima Univ. | Statistical-Mechanics-Based Approach to Joint Channel Estimation and Multiuser Detection in DS-CDMA Channels Keigo Takeuchi (Kyoto Univ.), Mikko Vehkaperae (NTNU), Toshiyuki Tanaka (Kyoto Univ.), Ralf R. Mueller (NTNU) SIP2008-84 WBS2008-22 |
We consider multiuser detection in a randomly-spread frequency-selective block-fading DS-CDMA channel with imperfect CSI... [more] | SIP2008-84 WBS2008-22 pp.43-48 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-05 14:40 |
Kanagawa | YRP | Throughput performance of random-access wireless system with pre-FFT type MMSE adaptive array antenna Kazuto Yano, Ikuo Hiradate, Satoshi Tsukamoto, Makoto Taromaru (ATR) RCS2007-199 |
Both increasing the chances of frame transmission by raising carrier sense level and the suppressing asynchronous interf... [more] | RCS2007-199 pp.79-84 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-06 15:50 |
Kanagawa | YRP | [Special Talk]
Studies on Efficient Spectrum Use in Space Domain
-- SDM application for small mobile terminals and Multi-user MIMO technologies -- Makoto Taromaru, Masazumi Ueba (ATR), Atsushi Ohta, Kazuyasu Okada, Shuji Kubota (NTT) SR2007-95 |
This paper presents the results of "Research and Development of Efficient Spectrum Use in Space Domain" which is one of ... [more] | SR2007-95 pp.67-74 |
| RCS, SIP | 2008-01-24 10:20 |
Hiroshima | Hiroshima City Uni. | Study on Area Spectral Efficiency of Multi-hop Radio Networks in Fading Environments Naotaka Shibata, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) SIP2007-131 RCS2007-134 |
By using multi-hop transmission, the distance per link can be reduced and the received signal power will increase if tra... [more] | SIP2007-131 RCS2007-134 pp.1-6 |
| WBS | 2007-10-16 08:40 |
Hiroshima | Bit-Error Rate Characteristics of DFT-Based Continuous-Phase MFSK Ryuji Hayashi, Keiichirou Tsuyuki, Masanori Hamamura (Kochi Univ. of Tech.), Shin'ichi Tachikawa (Nagaoka Univ. of Tech.) WBS2007-39 |
This paper describes DFT-based continuous-phase M-ary frequency shift keying (CP-MFSK) using continuous-phase modulation... [more] | WBS2007-39 pp.1-6 |
|
| RCS | 2007-06-29 11:20 |
Aichi | Toyohashi Uni. of Tech. | A Study of Metric Calculation in Co-Channel Interference Environment Akinori Taira, Mieko Kanmuri, Fumiaki Maehara, Fumio Takahata (Waseda Univ) RCS2007-21 |
Spectral efficiency improvement is demanded for next generation mobile communication systems. Smaller cell design or fr... [more] |
RCS2007-21 pp.61-66 |
| SR | 2007-05-25 15:20 |
Tokyo | [Panel Discussion]
Desired RF and Analog Device Technologies Required for Practicable Software Radios Makoto Taromaru (ATR) SR2007-18 |
Radio equipment capable for various radio communication standards with any carrier frequency, signal bandwidth, modulati... [more] | SR2007-18 pp.105-110 |
|
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-08 10:30 |
Kanagawa | YRP | [Invited Talk]
x Akira Yamaguchi (x) WBS2006-54 SR2006-82 |
This paper presents “Research and Development of Cognitive Radio” which is one of the projects by Ministry of Internal A... [more] | WBS2006-54 SR2006-82 pp.9-15 |
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-08 13:20 |
Kanagawa | YRP | Impact of Power Control and Access Control on Area Spectral Efficiency in Radio System with Shared Band Naotaka Shibata, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) RCS2006-264 |
In recent years, a cognitive radio system in which the frequency bands are shared by more than one wireless systems has ... [more] | RCS2006-264 pp.119-122 |
| RCS, SIP | 2007-01-24 16:30 |
Okinawa | NICT Okinawa | Area Spectral Efficiency of Wireless Systems with Cooperative Relaying Koji Yamamoto, Hirofumi Maruyama, Takashi Shimizu, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) SIP2006-134 RCS2006-192 |
Cooperative relaying is a promising technique, where terminals except source and destination share their resources to re... [more] | SIP2006-134 RCS2006-192 pp.99-104 |
| OPE, LQE, OCS | 2006-10-12 15:50 |
Fukuoka | Kyusyu Univ. Chikushi Campus | Inter-channel linear/nonlinear crosstalk compensation in carrier phase locked WDM Fumikazu Inuzuka, Etsushi Yamazaki, Atsushi Takada, Kazushige Yonenaga, Masafumi Koga (NTT) OCS2006-44 OPE2006-97 LQE2006-86 |
A pre-compensation technique for inter-channel linear/nonlinear crosstalk cancellation in carrier phase locked WDM syste... [more] | OCS2006-44 OPE2006-97 LQE2006-86 pp.33-38 |
| MW, OPE, EMT [detail] | 2006-07-28 13:00 |
Hokkaido | Tunable Wavelength Conversion Based on Cascaded SFG-DFG with Spectral-Reshaping for 160 Gbit/s CS-RZ Signals in PPLN Waveguide Hideaki Furukawa (NICT), Ampalavanapillai Nirmalathas (National ICT Australia), Naoya Wada, Satoshi Shinada (NICT), Hiroshi Tsuboya (OPTOQUEST), Tetsuya Miyazaki (NICT) |
Wavelength conversion, which can avoid wavelength contention, is a key technique for realizing effective utilization of ... [more] | MW2006-62 OPE2006-54 pp.145-149 |
|
| SR | 2006-07-28 10:40 |
Kanagawa | YRP | [Invited Talk]
Studies on Efficient Spectrum Use in Space Domain for Radio Resource Enhancement Makoto Taromaru, Takashi Ohira (ATR), Atsushi Ohta, Shuji Kubota (NTT) SR2006-35 |
This paper presents “Research and Development of Efficient Spectrum Use in Space Domain” which is one of the sponsored p... [more] | SR2006-35 pp.151-158 |
| RCS | 2006-06-23 09:20 |
Aichi | Nagoya Inst. Tech. | Study on Area Spectral Efficiency of Multi-channel Multihop Radio Networks Koji Yamamoto, Susumu Yoshida (Kyoto Univ.) RCS2006-43 |
It has been revealed that lower rate transmissions and multihop transmissions have the same ability to enhance the end-t... [more] | RCS2006-43 pp.49-54 |
| CS, OCS, PN (Joint) |
2006-05-26 09:00 |
Shizuoka | Shizuoka Univ. | Optical nodes using ADM components and tunable laser sources Masahiro Ogusu, Kazuhiko Ide, Shigeru Ohshima (TOSHIBA) OCS2006-12 |
We have demonstrated on an optical node using optical switches, optical wavelength multiplexers, and an SG-DBR laser dio... [more] | OCS2006-12 pp.13-17 |
| PN | 2006-03-16 14:20 |
Okinawa | Tunable all-optical wavelength conversion of 160 Gbit/s RZ signals by cascaded SFG-DFG using PPLN waveguide Hideaki Furukawa (NICT), Ampalavanapillai Nirmalathas (Melbourne University), Naoya Wada, Satoshi Shinada (NICT), Hiroshi Tsuboya (Optoquest), Tetsuya Miyazaki (NICT) |
All-optical wavelength conversion without optical-to-electrical (O/E) conversion is a key technology for efficient wavel... [more] | PN2005-104 pp.33-38 |
|
| RCS | 2005-11-18 10:40 |
Miyagi | Advance mobile communication systems to realize downlink performance 1.3Gbit/s using multi-user OFDM-SDMA/Base station cooperatio
-- 4th generation mobile communication systems using advance wireless signal processing technologies -- Toshio Kawazawa, Takashi Inoue (KDDI), Mikio Kuwahara (Hitachi), Syunsaku Abe (Hitachi Communication Technologies), Kazunori Yamanaka, Makoto Yoshida (Fujitsu) |
To realize the 4th generation mobile communications system, we have been developing elements of advanced wireless signal... [more] | RCS2005-119 pp.73-78 |
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