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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, RCS, SIP | 2023-01-25 14:10 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Cyclic Hadamard-type Matrices on Finite Fields and Their Properties Iori Kodama, Tetsuya Kojima (NIT, Tokyo College)  IT2022-66 SIP2022-117 RCS2022-245 |
Hadamard matrix is defined as a square matrix where any components are −1 or +1, and where any pairs of rows are mutuall... [more] | IT2022-66 SIP2022-117 RCS2022-245 pp.211-216 |
| IT, EMM | 2018-05-18 10:50 |
Tokyo | Ookayama Campus, Tokyo Institute of Technology | Hadamard-type Matrices on Finite Fields and Complete Complementary Codes Tetsuya Kojima (NIT, Tokyo College) IT2018-7 EMM2018-7 |
Hadamard matrix is defined as a square matrix where any components are $-1$ or $+1$, and where any pairs of rows are mut... [more] | IT2018-7 EMM2018-7 pp.35-40 |
| ITS, WBS, RCC | 2017-12-14 13:30 |
Okinawa | Tiruru/Okinawa Jichikaikan | [Poster Presentation]
A Study on Reduction of Bandwidth in OFDM/PM Scheme with CSS Method Sho Miyagi, Masato Saito (Univ. of the Ryukyus) WBS2017-55 ITS2017-32 RCC2017-71 |
We consider to apply orthogonal frequency division multiplexing (OFDM) schemes to satellite communications systems. OFDM... [more] | WBS2017-55 ITS2017-32 RCC2017-71 pp.111-116 |
| SAT | 2017-10-27 13:15 |
Okinawa | Okinawa Cellular Telephone Company | BER Performance Evaluation of OFDM/PM Systems with CSS Method for Satellite Communications Systems Sho Miyagi, Masato Saito (Univ. of the Ryukyus) SAT2017-53 |
We consider to apply orthogonal frequency division multiplexing (OFDM) schemes to satellite communications systems. OFDM... [more] | SAT2017-53 pp.101-106 |
| ISEC, WBS, IT | 2017-03-09 14:25 |
Tokyo | TOKAI University | Trellis Reduction for Tail-Biting Convolutional Codes Using Characteristic Matrices and Cyclically Shifted Code-Subsequences Masato Tajima IT2016-108 ISEC2016-98 WBS2016-84 |
Trellis reduction for tail-biting convolutional codes is investigated. A given tail-biting (TB) convolutional code is re... [more] | IT2016-108 ISEC2016-98 WBS2016-84 pp.61-66 |
| SIS | 2017-03-02 14:30 |
Kanagawa | Kanagawa Inst. Tech. Yokohama Office | A Study on Partial-Scrambling for Screen Content with Palette Coding Scheme based on HEVC Kenta Yamasaki, Masayuki Kurosaki, Hiroshi Ochi, Leonardo Lanante (KIT) SIS2016-49 |
With the recent advances in cloud computing technologies, there is an increasing demand of the coding scheme for screen... [more] |
SIS2016-49 pp.41-46 |
| SR | 2016-10-28 13:50 |
Osaka | Osaka Univ. Nakanoshima Center | A Study on Iterative Differential Detection for Bluetooth Low Energy Shinsuke Ibi, Seiichi Sampei (Osaka Univ.) SR2016-72 |
This paper proposes a novel iterative differential detection and decoding (IDDD) by exchanging log likelihood ratio (LLR... [more] | SR2016-72 pp.99-104 |
| RCS | 2014-10-17 15:55 |
Kanagawa | Keio Univ. | Retransmission Diversity Scheme Using Multiple Transmit Antennas for Single Carrier Transmission Shingo Nakamura, Teruyuki Miyajima (Ibaraki Univ.) RCS2014-190 |
In this article, we consider retransmission schemes to obtain a diversity gain in single-carrier transmissions.We propos... [more] | RCS2014-190 pp.189-194 |
| IT | 2013-05-24 13:10 |
Fukui | Hotel Matuya Sensen at Awara-onsen, Fukui Pref. | A Note on Fast Algorithms of Shift Bound for Cyclic Codes Takayasu Kaida (Kinki Univ.), Junru Zheng (Kyushu Women's Univ.) IT2013-5 |
The shift bound is one of well-known and good bounds for the designed minimum distance in cyclic codes. However there is... [more] | IT2013-5 pp.19-22 |
| SR, RCS, SRW (Joint) |
2012-03-07 13:25 |
Kanagawa | YRP | Effects of Open-loop Transmit Diversity Schemes with Four Antennas for Control Signals Using Cyclic-Shift CDMA Yuichiro Hikosaka (Tokyo City Univ), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs.), Mamoru Sawahashi (Tokyo City Univ) RCS2011-324 |
This paper investigates the effects of open-loop transmit diversity schemes with four antennas for low-rate control sign... [more] | RCS2011-324 pp.49-54 |
| NS, RCS (Joint) |
2011-12-16 14:05 |
Yamaguchi | Yamaguchi University | Performance of Space Orthogonal Resource Transmit Diversity for Delay Spreads in PUCCH Using Cyclic Shift CDMA Yuichiro Hikosaka (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs.), Mamoru Sawahashi (Tokyo City Univ.) RCS2011-258 |
This paper investigates the block error rate (BLER) performance of space orthogonal-resource transmit diversity (SORTD) ... [more] | RCS2011-258 pp.153-158 |
| RCS, AN, SR, USN (Joint) |
2011-10-26 08:50 |
Tokyo | Sophia Univ. | Investigations on Best Combining Scheme of Diversity Branches in Joint MLD for PUCCH in LTE Uplink Hideyuki Numata (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2011-140 |
In Release 8 Long-Term Evolution (LTE) in 3rd generation partnership project (3GPP), uplink control channel called physi... [more] | RCS2011-140 pp.1-6 |
| IT | 2011-09-30 11:10 |
Tokyo | Tokyo Institute of Technology | Efficient Encoding for Quasi-Cyclic LDPC Codes with Rank Deficient Parity Check Matrices Haruka Obata, Hironori Uchikawa (Toshiba) IT2011-29 |
This paper presents an efficient encoding method for quasi-cyclic low-density parity-check (QC-LDPC) codes with rank def... [more] | IT2011-29 pp.35-40 |
| RCS, SAT (Joint) |
2011-08-26 13:25 |
Niigata | Niigata Univ. | Hybrid Reference Signal Multiplexing Using Combination of Block Spread and Cyclic Shift CDMA for Uplink Control Signals in DFT-Precoded OFDMA Yuichiro Hikosaka (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2011-129 |
This paper proposes hybrid reference signal (RS) multiplexing that employs a block spread (BS) and cyclic shift (CS) com... [more] | RCS2011-129 pp.99-104 |
| RCS, NS (Joint) |
2011-07-21 09:35 |
Hokkaido | Asahikawa Civic Culture Hall | Inter-code Interference Canceller for Control Signals Using Cyclic Shift CDMA in LTE Uplink Yuichiro Hikosaka (Tokyo City Univ.), Teruo Kawamura, Nobuhiko Miki (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2011-76 |
This paper proposes an inter-code interference canceller (ICIC) for control signals carried by the physical uplink contr... [more] | RCS2011-76 pp.7-12 |
| IT | 2010-05-21 14:35 |
Tokushima | the University of Tokushima | A Note on Bounds of Minimum Distance and Decoding Methods for Cyclic Codes by DFT Matrix Takayasu Kaida (Kinki Univ.), Junru Zheng (Kyushu Women's Univ.) IT2010-6 |
In this report, We give alternative proofs for the BCH boud, the Hertmann-Tzeng bound and the shift bound by the discre... [more] |
IT2010-6 pp.31-34 |
| RCS, SIP | 2010-01-21 14:30 |
Fukuoka | Kyushu Univ. | Pilot signal receiving process on a non-contiguous data assignment for LTE-Advanced uplink Yoshihiko Ogawa (Panasonic Corp.), Kenji Takagi, Takashi Iwai (PMCRD), Akihiko Nishio, Daichi Imamura (Panasonic Corp.) SIP2009-94 RCS2009-228 |
In LTE-Advanced, the support of Clustered-Discrete Fourier Transform Spread -OFDM (C-DFTS-OFDM), which is non-contiguous... [more] | SIP2009-94 RCS2009-228 pp.121-126 |
| RCS, AP (Joint) |
2009-11-27 09:40 |
Tokyo | Tokyo Inst. of Tech. | Performance Comparison between Cyclic Shift and Block Spread CDMA with Frequency Hopping Using Maximum Likelihood Detection with Channel Coding Information Ryota Takahashi (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.) RCS2009-152 |
This paper presents block error rate (BLER) performance comparison between cyclic shift and block spread CDMA with frequ... [more] | RCS2009-152 pp.115-120 |
| NS, RCS (Joint) |
2009-07-17 11:20 |
Hokkaido | Hokkaido University (Hokkaido) | Considerations on the necessity of Tx diversity schemes for LTE-Advanced uplink control channels Seigo Nakao (Panasonic), Tadashi Yoshida, Masaru Fukuoka (Panasonic Mobile Communications R&D Lab.), Daichi Imamura (Panasonic) RCS2009-63 |
LTE-Advanced, to be standardized in 3GPP, employs “carrier aggregation” which aggregates the LTE bandwidth for realizing... [more] | RCS2009-63 pp.59-64 |
| IA, SITE | 2009-03-06 08:50 |
Kumamoto | Proposal on 2-Dimensional Error Correcting Code with Self-Synchronization Capability for Digital Watermark Kenji Yoshizaki, Hiroyuki Inaba (Kyoto Inst. of Tech.) SITE2008-86 IA2008-109 |
Generally, a digital watermark should have an ability to resist various attacks such as shifting, clipping, or extractio... [more] | SITE2008-86 IA2008-109 pp.247-251 |
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