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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2018-11-15 16:20 |
Nagasaki | Fukue Cultural Hall | [Invited Talk]
A Review of Research and Development of Microwaves and Wireless Communications Yoshihiko Akaiwa (emeritus Prof. Kyushu Univ.)  MW2018-103 |
[more] | MW2018-103 p.59 |
| SR | 2016-01-21 16:30 |
Nagasaki | Fukue-bunka-kaikan | [Special Invited Talk]
Principles of Communications and Its mathematical Expression Yoshihiko Akaiwa SR2015-77 |
Some principles of communications technologies are reviewed with emphasis on their essence and mathematical expression. [more] | SR2015-77 pp.39-43 |
| RCS, SR, SRW (Joint) |
2013-03-01 15:10 |
Tokyo | Waseda Univ. | Nonlinear Compensation by Predistortor using Feedback Signal with Limited Bandwidth Yuelin Ma, Yasushi Yamao, Yoshihiko Akaiwa (Univ. of Electro- Comm.) RCS2012-352 |
With the ever increasing demands for higher data rate, the bandwidth of wireless communication system has had to continu... [more] | RCS2012-352 pp.405-410 |
| RCS | 2012-06-21 17:00 |
Hokkaido | Hakodate City Central Library | [Invited Talk]
Digital Mobile Communications - A Review - Yoshihiko Akaiwa (UEC) RCS2012-58 |
In this invited speech, the author tries to gives a short review on progress of digital mobile radio communications base... [more] | RCS2012-58 pp.91-92 |
| NS, RCS (Joint) |
2011-12-16 10:35 |
Yamaguchi | Yamaguchi University | On scheduling methods of resource allocation in wireless communication channels Yoshihiko Akaiwa (UEC) RCS2011-252 |
The proportional fair sharing (PFS) is well known as a channel allocation scheduling method to compromise the efficiency... [more] | RCS2011-252 pp.117-121 |
| RCS, MoNA, SR (Joint) |
2011-03-04 13:00 |
Kanagawa | YRP | A Phenomenological Theory of Error Rate for Iterative Decoding with Estimated a priori Probability Yoshihiko Akaiwa (Univ. of Electro-Comm.) RCS2010-307 |
A phenomenological theory of error rates for iterative decodings of such as the turbo code and LDPC codes is developed. ... [more] | RCS2010-307 pp.343-348 |
| SAT, RCS (Joint) |
2010-08-26 14:20 |
Kagoshima | Kagoshima Univ. | Theoretical Analysis of Cooperated Base Sstation Cellular System Yoshihiko Akaiwa (Univ. of Electro-Comm.) RCS2010-85 |
Performance of cellular systems are theoretically analyzed under multi-cell environments with cooperated base stations. ... [more] | RCS2010-85 pp.43-48 |
| SAT, RCS (Joint) |
2010-08-26 14:40 |
Kagoshima | Kagoshima Univ. | A Cellular System with Amply & Forward Relay Stations Yoshihiko Akaiwa (Univ. of Electro-Comm.) RCS2010-86 |
In this paper, a cellular system with amplify and forward type relay stations is presented. High directivity and high ga... [more] | RCS2010-86 pp.49-54 |
| RCS, NS (Joint) |
2010-07-15 10:00 |
Hokkaido | Abashiri Public Auditorium | A Novel Feedback Configured Predistorter for Power Amplifiers with Memory Effect Yuelin Ma (Univ. of Electronic Sci and Tech. of China), Yoshihiko Akaiwa, Yasushi Yamao (Univ. of Electro-Comm.) RCS2010-50 |
In this report, a novel predistorter structure with a feedback configuration is proposed. It consists of a look-up-table... [more] | RCS2010-50 pp.13-17 |
| SIP, CAS, CS | 2010-03-02 10:50 |
Okinawa | Hotel Breeze Bay Marina, Miyakojima | An Adaptive Resource Allocation Method for OFDMA Systems Employing Pilotless Channel Tracking Techniques
-- Performance Evaluation in case with Adaptive Modulation -- Kazumitsu Sakamoto, Osamu Muta (Kyushu Univ.), Yoshihiko Akaiwa (Univ. of Electro-Commun.), Krishnamurthy Giridhar (Indian Inst. of Tech Madras), Hiroshi Furukawa (Kyushu Univ.) CAS2009-113 SIP2009-158 CS2009-108 |
In recent years, decision-directed channel tracking (DDCT) techniques have been investigated for OFDM systems in order t... [more] | CAS2009-113 SIP2009-158 CS2009-108 pp.203-208 |
| SR | 2010-01-21 15:00 |
Tokyo | Univ. of Electro-Communications | [Invited Talk]
Progress of digital signal processing for mobile radio communications Yoshihiko Akaiwa (UEC) |
Progress of digital signal processing in mobile radio communications is reviewed. Topics are direct conversion detectio... [more] |
|
| RCS, SAT (Joint) |
2009-12-17 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | On the Effect of Time-Domain Per-Subcarrier Equalization for Band-Limited OQAM Based Multi-Carrier Modulation Systems Hiromitsu Kunishima, Osamu Muta (Kyushu Univ.), Hisao Koga (Panasonic Communications), Yoshihiko Akaiwa (The Univ. of Electro-Comm.) RCS2009-173 |
[more] | RCS2009-173 pp.37-42 |
| RCS | 2009-08-03 17:00 |
Miyagi | Tohoku Univ. | [Invited Talk]
Wireless Transmission Technology and Channel Allocation Scheme on the Celluer System Yoshihiko Akaiwa (The Univ. Elec. Commun.) |
[more] | |
| RCS | 2009-08-04 14:55 |
Miyagi | Tohoku Univ. | On the Effect of PAPR Reduction Based on Peak Limiter in a Mobile WiMAX Based OFDM System Yu Takase, Osamu Muta (Kyushu Univ.), Yoshihiko Akaiwa (The Univ. of Electro-Comm.) RCS2009-104 |
Mobile WiMAX adopts Orthogonal Frequency Division Multiplexing (OFDM) based multiple access scheme. A major drawback in ... [more] | RCS2009-104 pp.153-158 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-04 09:00 |
Kanagawa | YRP | Parameter Optimization Speed Improvement for Multi-carrier Signals in An Adaptive Predistortion Method Based on Orthogonal Polynomial Expansion Isamu Kaneko, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.) RCS2008-212 |
Adaptive predistorter is an effective technique to compensate nonlinear distortion in power amplifier. As a method to ... [more] |
RCS2008-212 pp.1-6 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-05 14:00 |
Kanagawa | YRP | An Adaptive Resource Allocation Method for OFDMA Systems Employing Pilotless Channel Tracking Techniques Kazumitsu Sakamoto, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.), Krishnamurthy Giridhar (Indian Inst. of Tech Madras) RCS2008-243 |
OFDMA (Orthogonal frequency division multiple access) based systems have been considered as a candidate for future wirel... [more] | RCS2008-243 pp.185-190 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-06 10:00 |
Kanagawa | YRP | Performance Evaluation of Multicarrier Transmission for Radio Relaying in Measured Outdoor Channels at 2.4GHz-Band. Motoharu Sasaki, Daiki Fujii, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.) RCS2008-255 |
Wireless LAN is widely used as a means to construct a flexible network low-cost. However, the area that wireless LAN can... [more] | RCS2008-255 pp.255-260 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-06 10:35 |
Kanagawa | YRP | Common Pilot Sequence Assisted Receive Weight Optimization Methods for a Base Station Adaptive Array Antenna in Amplify-and-forward Radio Relay Systems Daiki Fujii, Motoharu Sasaki, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.) RCS2008-256 |
[more] | RCS2008-256 pp.261-266 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-06 10:40 |
Kanagawa | YRP | An adaptive predistortion method based on orthogonal polynomial expansion for nonlinear distortion compensation,Part II
-- Evaluation of parameter convergence speed in adaptive predistorters -- Guangsheng Xu, Osamu Muta, Yoshihiko Akaiwa (Kyushu University) RCS2007-214 |
Adaptive predistorter is an effective technique to compensate nonlinear distortion in power amplifier. As a method to im... [more] | RCS2007-214 pp.169-173 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-06 16:50 |
Kanagawa | YRP | A study on co-channel interference supression method for a mobile-WiMAX based system Ryoichi Shimizu, Kazumitsu Sakamoto, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.) RCS2007-227 |
Recently, there has been increased attention to broadband wireless technologies such as mibile-WiMAX (Worldwide Interope... [more] | RCS2007-227 pp.245-250 |
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