Toshiaki Koike Akino
Ph.D. in Informatics
JSPS Postdoctoral Fellow for Research Abroad
Harvard University
School of Engineering and Applied Sciences
Communications and Networking Laboratory
33 Oxford Street, MD-117, Cambridge, MA 02138, U.S.A.
E-mail: koike@seas.harvard.edu
Gender: Male
DOB: Apr. 18. 1979
Detail CV: [PDF download here]
Today on March 2008
Academic Record
- Feb. 2006-Feb. 2010, working as a postdoctral research scholar at
School of Engineering and Applied Sciences, Harvard University.
- Sept. 2005, received Ph.D. degree of Informatics in
Dept. of Communications and Computer Engineering, Graduate
School of Informatics, Kyoto University
[PDF download] Ph.D. Thesis:
``Space-time-frequency signal processing for spectrum-efficient
multiple-antenna wireless transmission systems''
- Sept. 2003, received M.S. degree of Informatics in Dept. of
Communications and Computer Engineering, Graduate School of
Informatics, Kyoto University
- Mar. 2002, received B.S. degree of Engeneering from School
of Electrical and Electronic Engineering, Faculty of
Engineering, Kyoto University
Awards
- IEICE Communications Society Meritorious Award 2008
- IEICE Communications Society Meritorious Award 2006
- The 21st TELECOM System Technology Award for the following paper:
``Prototype implementation of real-time ML detectors for spatial
multiplexing transmission''
- The 4th YRP Encouragement Award: ``MLSE adaptive equalizer
with per-survivor QR decomposition in trellis-coded MIMO
transmissions''
- IEEE VTS Japan Chapter presented VTC2005-Spring Student
Paper Award: ``FPGA implementation of real-time 1Gbps 4x4
MIMO-MLD''
- IEICE 2003 Active Research Award in Radio Communication
Systems
Scholarships & Financial Support
- JSPS Postdoctoral Fellow for Reserch Abroad: during Mar. 2008 - Feb. 2010.
- Telecommunications Advancement Foundation (TAF) Fellow for Research Abroad: during Apr. 2007 - Feb. 2008.
- JSPS Postdoctoral Research Fellow: during Oct. 2005 - Mar. 2007.
- Research Fellow of the Japan Society for the Promotion Science (JSPS): during Apr. 2004. - Sept. 2005.
- Research Assistant for the 21st Century Center of Excellence (COE) Program: during Oct. 2003 - Sept. 2005.
Academic Society
- Member of the IEEE: since June 2005.
- Reviewer of the IEICE Transactions on Communications: since Mar. 2004.
- Member of the Institute of Electronics, Information and Communication Engineers (IEICE): since May 2002.
Research Interest
- Distributed cooperative multiuser detection, diversity, multiplexing, and modulations
- Multi-point information theory and wireless network coding with cooperation and competition
- Body-area networks, and healthcare information technology
- Base-band signal processing relevant to detection schemes of co-channel signals (including space-time transmissions, multiple-input multiple-output, and spatial multiplexing)
- Hardware implementations and experiments relevant to space-time transmission systems
- Coded modulations, equalization, error control schemes and pre-coding
Presentation Lists
Journal Papers and Letters
- Toshiaki Koike-Akino, Petar Popovski, and Vahid Tarokh
``Optimized constellations for two-way wireless relaying with
physical network coding,'' submitted to IEEE Journal on
Selected Areas in Communications , Aut. 2008.
- Toshiaki Koike-Akino, Natasha Devroye, and Vahid Tarokh
``Frequency-domain bit-flipping equalizer for ultra-wideband
MIMO channels,'' submitted to IEEE Transactions on Signal
Processing , May 2008.
- Toshiaki Koike-Akino, ``Low-complexity MLD using
norm-constraint approach for multiple-antenna systems,''
submitted to IEEE Transactions on Wireless
Communications, Apr. 2008.
- Toshiaki Koike-Akino, ``Low-complexity systolic V-BLAST
architecture,'' submitted to IEEE Transactions on Wireless
Communications, Apr. 2008.
- Toshiaki Koike Akino, ``Optimum-weighted RLS channel
estimation for rapid fading MIMO channels,'' to-be publised
in IEEE Transactions on Wireless Communications,
vol. , no. , pp. -, 2008.
- [PDF
download] Toshiaki Koike, Yukinaga Seki, Hidekazu
Murata, Susumu Yoshida, and Kiyomichi Araki, ``Prototype
implementation of real-time ML detectors for spatial
multiplexing transmission,'' IEICE Transactions on
Communications, vol. E89-B, no.3, pp. 845-852, March 2006.
- [PDF
download] Toshiaki Koike, Hidekazu Murata, and Susumu
Yoshida, ``Experimental evaluation of spatial interleaving in
trellis-coded MIMO transmission,'' IEICE Transactions on
Communications, vol. E89-B, no. 3, pp. 985-989, March
2006.
-
Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Adaptive
MLSE equalizer with per-survivor QR decomposition for
trellis-coded MIMO transmission,'' Kluwer Journals on
Wireless Personal Communications, vol. 35, pp. 213--225,
October 2005.
- [PDF
download] Toshiaki Koike, Masakazu Tanaka, and Susumu
Yoshida, ``Capacity improvement of multihop inter-vehicle
communication networks by STBC cooperative relaying,''
IEICE Transactions on Communications, vol. E88-B, no. 9,
pp. 3546-3553, September 2005.
- [PDF
download] Toshiaki Koike, Hidekazu Murata, and Susumu
Yoshida, ``Genetic design method for near-optimal training
sequences in wideband multiple antenna systems,'' IEICE
Transactions on Communications, vol. E88-B, no. 8,
pp. 3488-3492, August 2005.
-
Toshiaki Koike and Susumu Yoshida, ``Space-time trellis-coded
ternary PSK for mobile communications,'' IEE Electronics
Letters, vol. 40, no. 16, pp. 1011-1012, August 2004.
- [PDF
download] Toshiaki Koike, Hidekazu Murata, and Susumu
Yoshida, ``Evaluation of HARQ scheme with antenna permutation
and TCM reassignment for space-time transmission in slow
Nakagami-Rice fading MIMO channel,'' IEICE Transactions on
Communications, vol. E87-B, no. 6, pp. 1487-1494, June
2004.
International Conference
-
Toshiaki Koike-Akino, Petar Popovski, and Vahid Tarokh,
``Denoising function optimization for DNF-based multihop
connections,'' submitted to The 2009 IEEE International
Conference on Communications (ICC2009), Dresden, Germany,
June 2009.
-
Toshiaki Koike-Akino, Petar Popovski, and Vahid Tarokh,
``Signaling constellations for two-way relaying with network
coding,'' submitted to The 2008 Asilomar Conference on Signal,
Systems, and Computers, Pacific Grove, CA,
Oct. 2008. (Invited Presentation)
-
Toshiaki Koike-Akino, Petar Popovski, and Vahid Tarokh,
``Denoising maps and constellations for wireless network coding in
two-way relaying systems,'' The 2008 IEEE Global
Communicatitons Conference (GLOBECOM 2008), New Orleans, LA,
Nov.-Dec. 2008.
-
Toshiaki Koike-Akino, ``Bit-flipping equalizer and ML search-space
analysis for ultra-wideband MIMO channels,'' The 2008 IEEE
Global Communicatitons Conference (GLOBECOM 2008), New
Orleans, LA, Nov.-Dec. 2008.
-
Toshiaki Koike Akino, ``Optimum-weighted RLS channel estimation
for time-varying fast fading MIMO channels,'' Proc. of The
2007 IEEE International Conference on Communications (ICC
2007), Glasgow, Scotland, June 2007.
-
Toshiaki Koike, ``Low-complexity architecture of MMSE/V-BLAST with
recurrence formula for systolic weights generation,'' Proc. of
The 9th International Symposium on Wireless Personal Multimedia
Communications (WPMC 2006), San Diego, U.S.A., September
2006.
-
Kohei Kiyoshima, Toshiaki Koike, and Susumu Yoshida,
``Algorithm-diversity of MIMO-MMSE with multiple channel
estimation schemes for fast fading channels,'' Proc. of The
9th International Symposium on Wireless Personal Multimedia
Communications (WPMC 2006), San Diego, U.S.A., September
2006.
-
Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Iterative
FDE for DD-based cooperative relaying with FD-STBC in
quasi-synchronous networks,'' Proc. of The 15th IEEE
International Symposium on Personal, Indoor and Mobile Radio
Communications (PIMRC 2006), Helsinki, Finland, September
2006.
- Toshiaki Koike, Yukinaga Seki, Hidekazu Murata, Susumu
Yoshida, and Kiyomichi Araki, ``FPGA prototyping of MIMO detector
for over-1Gbps wireless transmissions,'' Proc. of The XXVIIIth
URSI General Assembly (URSI-GA 2005), New Delhi, India,
October 2005. (invited presentation)
- Toshiaki Koike and Susumu Yoshida, ``Approximated ML detector
using Hopfield neural network in MIMO spatial multiplexing
systems,'' Proc. of The 8th International Symposium on
Wireless Personal Multimedia Communications (WPMC 2005),
pp. 858-862, Aalborg, Denmark, September 2005.
- Toshiaki Koike, Masakazu Tanaka, and Susumu Yoshida,
``System-level evaluation of STC cooperative relaying scheme in
multihop IVC networks,'' Proc. of The 2nd Asia Pacific
Wireless Communciations Sympojium (APWCS 2005), pp. 60-64,
Sapporo, Japan, August 2005.
- Yasunori Nouda, Toshiaki Koike, and Susumu
Yoshida, ``Iterative MLD equalizer preceded by MIMO-FDE for
wideband spatial multiplexing systems,'' Proc. of The 61st
IEEE Semianual Vehicular Technology Conference (VTC
2005-Spring), Stockholm, Sweden, May-June 2005.
- Toshiaki Koike, Yukinaga Seki, Hidekazu Murata, Susumu
Yoshida, and Kiyomichi Araki, ``FPGA implementation of 1Gbps
real-time 4x4 MIMO-MLD,'' Proc. of The 61st IEEE Semianual
Vehicular Technology Conference (VTC 2005-Spring), Stockholm,
Sweden, May-June 2005.
- Toshiaki Koike, Daisuke Nishikawa, and Susumu
Yoshida, ``Metric-segmented low-complexity ML detection for
spectrum-efficient multiple-antenna systems,'' Proc. of The
61st IEEE Semianual Vehicular Technology Conference (VTC
2005-Spring), Stockholm, Sweden, May-June 2005.
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``MLSE
adaptive equalizer with per-survivor QR decomposition for
trellis-coded MIMO transmissions,'' Proc. of The 7th
International Symposium on Wireless Personal Multimedia
Communications (WPMC 2004), Abano Terme, Italy, September
2004.
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Frequency-domain SC/MMSE iterative equalizer with MF
approximation in LDPC-coded MIMO transmissions,'' Proc. of The
15th IEEE International Symposium on Personal, Indoor and Mobile
Radio Communications (PIMRC 2004), Barcelona, Spain,
September 2004.
- Toshiaki Koike and Susumu Yoshida, ``Genetic designing of
near-optimal training sequences for spatial multiplexing
transmissions,'' Proc. of The Joint Conference of 10th
Asia-Pacific Conference on Communications and 5th International
Symposium on Multi-Dimensional Mobile Communications (APCC/MDMC
2004), Beijing, China, vol. 1, pp. 474-478, August-September
2004.
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Hybrid
ARQ scheme suitable for coded MIMO transmission,'' Proc. of
The IEEE International Conference on Communications (ICC
2004), Paris, France, June 2004.
- Toshiaki Koike and Susumu Yoshida, ``Space-time coded ternary
phase shift keying,'' Proc. of The 4th International
Conference on Information, Communications & Signal Processing
4th IEEE Pacific-Rim Conference On Multimedia (ICICS-PCM
2003), Singapore, December 2003.
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Laboratory experiments of coded space-time transmission with
spatial interleaving for wireless MIMO channels,'' Proc. of
The 6th International Symposium on Wireless Personal Multimedia
communications (WPMC 2003), Yokosuka, Japan, vol. 2,
pp. 396-400, October 2003.
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Spatial interleaving for vector Viterbi equalizer with
super-trellis decoding in trellis-coded space-time transmission,''
Proc. of The 14th International Symposium on Personal, Indoor
and Mobile Radio Communications (PIMRC 2003), Beijing, China,
vol. 2, pp. 1302-1306, September 2003.
- Toshiaki Koike, Koutarou Shiizaki, Hidekazu Murata, and
Susumu Yoshida, ``Experimental study of multi-user detector with
trellis-coding for microcellular radio,'' Proc. of The 5th
International Symposium on Wireless Personal Multimedia
communications (WPMC 2002), Honolulu, Hawaii, vol. 3,
pp. 1252-1256, October 2002.
Technical Reports
- [Japanese
PDF] Toshiaki Koike, Hajime Kanzaki, and Susumu Yoshida,
``Extension of optimum-weighted LS channel estimation to multi-antenna
systems,'' IEICE Technical Report, RCS2006-134, pp. 7-12, October
2006. (in Japanese)
- Hidekazu Murata, Toshiaki Koike, Shingo Enoki, and Kiyomichi
Araki, ``[Technology Exhibit] FPGA implementation of radio equipments
for wireless multihop cooperative networks,'' IEICE Technical
Report, SR2006-29, pp. 109-112, July 2005. (in Japanese)
- [Japanese
PDF] Takashi Shimizu, Toshiaki Koike, and Susumu Yoshida,
``Adaptive iteration control using EXIT chart analysis for
frequency-domain turbo equalizer in LDPC-coded MIMO transmission,''
IEICE Technical Report, RCS2006-67, pp. 49-54, July 2006. (in
Japanese)
- [Japanese
PDF] Toshiaki Koike, Kohei Kiyoshima, and Susumu Yoshida,
``Low-complexity recursive algorithm for MIMO-BLAST receiver,''
IEICE Technical Report, RCS2006-59, pp. 1-6, July 2006. (in
Japanese)
- [Japanese
PDF] Toshiaki Koike, Hajime Kanzaki, and Susumu Yoshida,
``Theoretical study on least-squares channel estimation with optimum
weighting for fast fading environments,'' IEICE Technical
Report, RCS2006-59, pp. 1-6, July 2006. (in Japanese)
- Shingo Enoki, Toshiaki Koike, Hidekazu Murata, and Kiyomichi
Araki, ``[Technology Exhibit] Field trial equipments for wireless
multihop cooperative networks,'' IEICE Technical Report,
SN2006-, pp. - , January 2006. (in Japanese)
- [Japanese PDF]
Toshiaki Koike, Hidekazu Murata, Susumu Yoshida, and Kiyomichi Araki,
``[Technology Exhibit] Single-chip implementation sample of received
signal generator and MLD for real time demonstration of MIMO signal
processing technique,'' IEICE Technical Report, SR2005-29,
pp. 59-65, July 2005. (in Japanese)
- [Japanese
PDF] Toshiaki Koike, Yasunori Nouda, and Susumu Yoshida,
``Quasi-ML iterative space-time equalizer assisted by frequency-domain
MMSE equalization,'' IEICE Technical Report, RCS2004-293,
pp. 19-24, January 2005. (in Japanese)
- [Japanese
PDF] Toshiaki Koike, Daisuke Nishikawa, and Susumu Yoshida,
``Simplified maximum-likelihood detection scheme employing metric
segmentation and norm constraint,'' IEICE Technical Report,
RCS2004-292, pp. 13-18, January 2005. (in Japanese)
- [Japanese
PDF] Yukinaga Seki, Toshiaki Koike, Hidekazu Murata, Susumu
Yoshida, and Kiyomichi Araki, ``FPGA implementation and performance
evaluation of real-time MIMO-MLD using simplified metrics,'' IEICE
Technical Report, RCS2004-291, pp. 7-12, January 2005. (in
Japanese)
- [Japanese
PDF] Masakazu Tanaka, Toshiaki Koike, and Susumu Yoshida,
``Capacity enhancement with space-time coded cooperative relaying in
multihop inter-vehicle communications,'' IEICE Technical
Report, RCS2004-240, pp. 24-30, January 2005. (in Japanese)
- [Japanese
PDF] Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Frequency-domain STBC and iterative equalization for cooperative
multihop communications with delay diversity,'' IEICE Technical
Report, RCS2004-225, pp. 13-18, November 2004. (in Japanese)
- [Japanese PDF]
Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Performance
evaluation of space-time iterative equalization in LDPC-coded spatial
multiplexing communications,'' IEICE Technical Report,
RCS2003-333, pp. 1-5, March 2004. (in Japanese)
- [Japanese
PDF] Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Study on QR decomposition-based branch metric computation in
trellis-coded spatial multiplexing transmission,'' IEICE Technical
Report, RCS2003-149, pp. 59-64, October 2003. (in Japanese)
- [Japanese PDF]
Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Study on ARQ
throughput performance of space-time transmission systems,'' IEICE
Technical Report, RCS2002-228, pp. 125-130, January 2003. (in
Japanese)
- [Japanese
PDF] Koutarou Shiizaki, Toshiaki Koike, Hidekazu Murata, and
Susumu Yoshida, ``Experimental evaluation of spatial interleaving
technique for trellis-coded space-time transmission systems,''
IEICE Technical Report, RCS2002-229, pp. 131-136, January
2003. (in Japanese)
- [Japanese PDF]
Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Performance
improvement of trellis-coded space-time transmission system with
spatial interleave in frequency flat fading environment,'' IEICE
Technical Report, RCS2002-153, pp. 41-46, August 2002. (in
Japanese)
- [Japanese PDF]
Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Laboratory
experiments of multi-user detector for space-time transmission,''
IEICE Technical Report, RCS2001-259, pp. 101-106, March
2002. (in Japanese)
Local Conference
- Kohei Kiyoshima, Toshiaki Koike, Kazuto Yano, Susumu Yoshida,
``Performance evaluation of RLS weights generation method using pseudo
training signal for MIMO-MMSE,'' IEICE Society Conference,
B-5-11, p. 411, September 2005. (in Japanese)
- Shingo Enoki, Toshiaki Koike, Hidekazu Murata, and Kiyomichi
Araki, ``Field trial equipments for multihop radio networks using
space-time coded cooperative relaying,'' IEICE Society
Conference, B-5-141, p. 511, September 2005. (in Japanese)
- Yasunori Nouda, Toshiaki Koike and Susumu Yoshida, ``A study on
quasi-ML iterative space-time equalizer for MIMO systems,'' IEICE
General Conference, B-5-106, p. 555, March 2005. (in Japanese)
- Toshiaki Koike and Susumu Yoshida, ``On the relation between MLD
solution and diversity in spatial multiplexing transmissions,''
IEICE General Conference, B-5-105, p. 554, March 2005. (in
Japanese)
- Toshiaki Koike and Susumu Yoshida, ``Performance evaluation of
iterative space-time equalizer with weighted bit-flipping decoding,''
IEICE Society Conference, B-5-22, p. 356, September 2004. (in
Japanese)
-
Yukinaga Seki, Toshiaki Koike, Hidekazu Murata, Susumu Yoshida, and
Kiyomichi Araki, ``Real-time 850Mbps MIMO-MLD implemented in FPGA for
MIMO spatial multiplexing systems,'' IEICE Society
Conference, B-5-15, p. 349, September 2004. (in Japanese)
-
Masakazu Tanaka, Toshiaki Koike and Susumu Yoshida, ``Connectivity in
inter-vehicle multihop communications applying STBC cooperative
relaying,'' IEICE Society Conference, A-17-8, p. 175,
September 2004. (in Japanese)
- Toshiaki Koike and Susumu Yoshida, ``On computational complexity
of metric-segmentized maximum likelihood decoding and list sphere
decoding,'' IEICE General Conference, B-5-41, p. 528, March
2004. (in Japanese)
-
Daisuke Nishikawa, Toshiaki Koike, and Susumu Yoshida, ``Computational
complexity reduction scheme for MLD using expanded metric
expression,'' IEICE General Conference, B-5-40, p. 527, March
2004. (in Japanese)
- Toshiaki Koike and Susumu Yoshida, ``Study on QR
decomposition-based branch metric computation in trellis-coded spatial
multiplexing transmission,'' IEICE Society Conference,
B-5-19, p. 396, September 2003. (in Japanese)
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida, ``Space-time
turbo equalization for space-time transmission systems using low
density parity check code,'' IEICE General Conference,
B-5-171, p. 630, March 2003. (in Japanese)
-
Koutarou Shiizaki, Toshiaki Koike, Hidekazu Murata, and Susumu
Yoshida, ``Study on coding design of TCM for space-time transmission
systems,'' IEICE General Conference, B-5-170, p. 629, March
2003. (in Japanese)
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Performance improvement of trellis-coded space-time transmission
system with spatial interleave over fading channel,'' IEICE
Society Conference, SA-2-1, pp. 207-208, September 2002. (in
Japanese)
- Toshiaki Koike, Koutarou Shiizaki, Hidekazu Murata, and Susumu
Yoshida, ``Experimental investigation focused on effect of
trellis-coded modulation on performance of nonlinear cochannel
interference canceller for TDMA transmission ,'' IEICE General
Conference, B-5-100, p. 550, March 2002. (in Japanese)
Other Symposium and Workshop
- Toshiaki Koike, ``Research trend of wireless MIMO session in IEEE ICC'2007,'' IEICE Communications Society Magazine, no. 3, p. 25, Dec. 2007. (in Japanese)
- Kohei Kiyoshima, Toshiaki Koike, Kazuto Yano, and Susumu Yoshida,
``Study on weight generation method of MIMO-MMSE,'' The 28th
Society of Information Theory and its Applications (SITA), Onna,
Okinawa, pp. 459-462, November 2005.
- Shingo Enoki, Toshiaki Koike, Hidekazu Murata, and Kiyomichi
Araki, ``Real-time communication equipments for wireless multihop
cooperative networks,'' The 28th Society of Information Theory and
its Applications (SITA), Onna, Okinawa, pp. 359-362, November
2005.
- Toshiaki Koike, ``Iterative equalization for extremely wideband
spatial multiplexing,'' The 2nd COE student seminar, Kyoto,
July 2005.
- Toshiaki Koike, Hidekazu Murata, Susumu Yoshida, and Kiyomichi
Araki, ``Study on hardware implementation of MIMO-MLD for Gbps
wireless Transmission,'' The 7th YRP Symposium on Cooperation
between Industry, Academia and Government in Mobile
Telecommunications, YRP, Yokosuka, June 2005.
- Masakazu Tanaka, Toshiaki Koike, and Susumu Yoshida,
``Connectivity evaluation of ITS inter-vehicle communications with
multihop STBC cooperative relaying,'' The 27th Society of
Information Theory and its Applications (SITA), Gero, Gifu,
pp. 307-310, December 2004.
- Pham Bao Thi Ngoc, Takaaki Zakoji, Toshiaki Koike, Hidekazu
Murata, Kiyomichi Araki, and Susumu Yoshida, ``Initial experiment of
space-time coded cooperative relaying for multihop wireless
communications,'' The 27th Society of Information Theory and its
Applications (SITA), Gero, Gifu, pp. 295-298, December
2004.
- Toshiaki Koike, Hidekazu Murata, and Susumu Yoshida,
``Frequency-domain joint combining of delay and STBC diversity for
quasi-synchronous multihop cooperative communications,'' The 27th
Society of Information Theory and its Applications (SITA), Gero,
Gifu, pp. 339-342, December 2004.
- Yukinaga Seki, Toshiaki Koike, Hidekazu Murata, Susumu Yoshida,
and Kiyomichi Araki, ``Implementation of real-time MIMO-MLD by FPGA,''
The 27th Society of Information Theory and its Applications
(SITA), Gero, Gifu, pp. 239-242, December 2004.
- Toshiaki Koike, ``High-speed signal processing and cooperative
relaying for Gbps wireless communications,'' The 4th COE Student
Seminar, Kyoto, November 2004.
- Daisuke Nishikawa, Toshiaki Koike, and Susumu Yoshida, ``A study
on low complexity MLD in MIMO systems,'' The 6th YRP Symposium on
Cooperation between Industry, Academia and Government in Mobile
Telecommunications, YRP, Yokosuka, pp. 64-65, July 2004.
- Toshiaki Koike, ``Investigation of Joint-MLD for Distributed
Cooperative Communications,'' The 2nd COE Student Seminar,
Kyoto, January 2004.
- Toshiaki Koike and Susumu Yoshida, ``Experimental investigation
of coded MIMO architecture employing spatial interleaver for
multi-dimensional MLSE,'' Proc. of The 1st Singapore-Japan
International Workshop on Info-Communications Technologies for the
Ubiquitous Networked Society, Singapore, December 2003.
- Hidekazu Murata and Toshiaki Koike, ``Spatial multiplexing
communication systems,'' Proc. of Microwave Workshops and
Exhibition (MWE2003), Yokohama, Japan, pp. 187-192, November
2003.