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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AN, USN, SR, RCS (Joint) |
2010-10-29 13:10 |
Osaka | Osaka University | Iterative MMSE Detection and Interference Cancellation for Uplink SC-FDMA MIMO using HARQ Suguru Okuyama, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.)  RCS2010-135 |
For the next generation high-speed uplink wireless communication systems, single carrier (SC)- frequency-division multip... [more] | RCS2010-135 pp.181-186 |
| RCS | 2009-08-04 17:15 |
Miyagi | Tohoku Univ. | Application of Frequency-domain Block Signal Detection Using Iterative V-BLAST Detection and Walsh-Hadamard Precoding to Turbo-coded Single-carrier Transmission Tetsuya Yamamoto, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2009-109 |
In our recent paper, we proposed frequency-domain block signal detection combined with iterative Vertical-Bell Laborator... [more] | RCS2009-109 pp.183-188 |
| RCS, IN (Joint) |
2009-05-21 09:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study of Frequency-Domain Signal Detection for Multi-Code DS-CDMA Transmission Tetsuya Yamamoto, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2009-2 |
In our recent paper, we pointed out that the frequency-domain received signal in the single-carrier (SC) transmissions c... [more] | RCS2009-2 pp.7-12 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-05 10:00 |
Kanagawa | YRP | A Study on MMSE Weight of Frequency-Domain Signal Detection for Multi-Code DS-CDMA Tetsuya Yamamoto, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2008-235 |
One-tap frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion is a powerful techni... [more] | RCS2008-235 pp.137-142 |
| IN, RCS (Joint) |
2008-05-30 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study of Frequency-domain Joint Equalization/Despreading for Multi-code DS-CDMA Using Cyclic Delay Transmit Diversity And Receive Antenna Diversity Tetsuya Yamamoto, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2008-8 |
Cyclic delay transmit diversity (CDTD) using frequency-domain equalization (FDE) based on the minimum mean square error ... [more] | RCS2008-8 pp.43-48 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-05 09:00 |
Kanagawa | YRP | BER Performance of DS-CDMA Turbo Equalization with 2-Step Maximum Likelihood Channel Estimation Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2007-186 |
Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion and frequency-domain inter-c... [more] | RCS2007-186 pp.1-6 |
| RCS, AN, MoNA, SR, WBS (Joint) |
2008-03-05 10:00 |
Kanagawa | YRP | A Study of Frequency-Domain Equalization for DS-CDMA Cyclic Delay Transmit Diversity Tetsuya Yamamoto, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2007-189 |
Cyclic delay transmit diversity (CDTD) using frequency-domain equalization (FDE) based on the minimum mean squire error ... [more] | RCS2007-189 pp.19-24 |
| RCS, SIP | 2008-01-24 12:50 |
Hiroshima | Hiroshima City Uni. | RLS-based Channel Estimation for DS-CDMA Frequency-domain Equalization Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) SIP2007-142 RCS2007-145 |
Since the frequency spectrum of the pilot chip sequence is not constant, the channel estimation accuracy degrades. Recen... [more] | SIP2007-142 RCS2007-145 pp.67-72 |
| RCS | 2007-10-18 14:50 |
Nagano | Tokyo Uni. of Science, Suwa | Pilot-assisted channel estimation for orthogonal multi-carrier DS-CDMA with frequency-domain equalization Tomoyuki Shima, Hiromichi Tomeba, Fumiyuki Adachi (Tohoku Univ.) RCS2007-82 |
Orthogonal multi-carrier direct sequence code division multiple access (MC DS-CDMA) is a combination of time-domain spre... [more] | RCS2007-82 pp.13-18 |
| RCS | 2007-06-29 10:30 |
Aichi | Toyohashi Uni. of Tech. | 2-Step Maximum Likelihood Channel Estimation for DS-CDMA Frequency-domain Equalization Yohei Kojima, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2007-19 |
In this paper, we propose a new channel estimation scheme for direct sequence code division multiple access (DS-CDMA) wi... [more] | RCS2007-19 pp.49-54 |
| RCS, SIP | 2007-01-26 09:45 |
Okinawa | NICT Okinawa | Impact of Timing Error on DS-CDMA with Frequency-domain Equalization Le Liu, Chiao-yi Chen, Fumiyuki Adachi (Tohoku Univ.) SIP2006-161 RCS2006-219 |
Recently, the frequency-domain equalization (FDE) has been attracting much attention since it is an effective equalizati... [more] | SIP2006-161 RCS2006-219 pp.19-24 |
| RCS, NS (Joint) |
2006-07-19 14:00 |
Hokkaido | Hokkaido Univ. | Adaptive iteration control using EXIT chart analysis for frequency-domain turbo equalizer in LDPC-coded MIMO transmission Takashi Shimizu, Toshiaki Koike, Susumu Yoshida (Kyoto Univ.) RCS2006-67 |
Iterative equalizations achieve good performance due to exchanges of likelihoods between equalizer and decoder. In LDPC-... [more] | RCS2006-67 pp.49-54 |
| IN, RCS (Joint) |
2006-05-19 16:45 |
Tokyo | Turbo equalization for DS-CDMA with frequency-domain equalization Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2006-32 |
In direct sequence code division multiple access (DS-CDMA), frequency-domain equalization (FDE) based on minimum mean sq... [more] | RCS2006-32 pp.85-90 |
|
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-01 09:00 |
Kanagawa | YRP | BER Performance of DS-CDMA with Frequency-domain Space-Time Block Coded-Joint Transmit/Receive Diversity Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
Frequency-domain pre-equalization (pre-FDE) transmission has been attracting attention for improving the SC transmission... [more] | RCS2005-178 pp.1-6 |
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-01 09:20 |
Kanagawa | YRP | Effect of STTD on frequency-domain downlink site diversity for DS-CDMA cellular systems Hirotaka Sato, Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
In DS-CDMA high speed wireless signal transmissions, a transmission performance degrades due to a frequency selective fa... [more] | RCS2005-179 pp.7-12 |
| RCS, AP, WBS, SR, MW, MoNA (Joint) |
2006-03-01 10:40 |
Kanagawa | YRP | A Closed-form BER Expression for Differentially Modulated DS-CDMA signals with Frequency-domain Differential Detection and Equalization Le Liu, Fumiyuki Adachi (Tohoku Unov.) |
Recently, we have proposed frequency-domain differential detection and equalization (FDDDE) for the reception of differe... [more] | RCS2005-182 pp.25-30 |
| RCS | 2005-11-17 14:00 |
Miyagi | Frequency-domain adaptive interference cancellation for multicode CDMA signal transmission Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
Frequency-domain equalization (FDE) based on minimum mean square error (MMSE) criterion can significantly improve the bi... [more] | RCS2005-107 pp.1-6 |
|
| AP, RCS (Joint) |
2005-10-20 13:00 |
Akita | Akita Prefectural Univ. | Throughput Performance of Frequency-domain Iterative PIC with 2 Dimensional MMSE Weight for SC-MIMO Multiplexing Akinori Nakajima, Fumiyuki Adachi (Tohoku Univ.) |
Broadband wireless packet access will be the core technology of the next generation mobile communications systems. Turbo... [more] | RCS2005-88 pp.19-24 |
| AP, RCS (Joint) |
2005-10-20 14:50 |
Akita | Akita Prefectural Univ. | The Transmission Performance of Multi-code DS-CDMA with Frequency-Domain Equalization using Space-Time Cyclic Delay Transmit Diversity Ryoko Kawauchi, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
Frequency-domain equalization (FDE) is a well-known technique to overcome the adverse effect of the frequency selective ... [more] | RCS2005-92 pp.43-48 |
| RCS, IN (Joint) |
2005-05-26 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Frequency-domain equalization with inter-block interference suppression for multi-carrier transmission Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
High speed data transmission is required for the next generation mobile communication systems. Broadband wireless channe... [more] | RCS2005-18 pp.11-16 |
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