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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 25件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2014-03-05
14:00
Tokyo Waseda Univ. A Pilot Contamination Averse Closed-Loop Scheme for TDD-Based Massive MIMO Systems
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2013-384
TDD-based Massive MIMO systems rely on channel reciprocity assumption (i.e. that the downlink channel matrix can be infe... [more] RCS2013-384
pp.469-474
RCS, SR, SRW
(Joint)
2014-03-05
15:10
Tokyo Waseda Univ. Indoor Experiment using Multiuser-MIMO Testbed
Yasuyuki Hatakawa, Masashi Fushiki, Satoshi Konishi (KDDI R&D Labs) RCS2013-387
 [more] RCS2013-387
pp.487-492
RCS, SR, SRW
(Joint)
2014-03-05
15:30
Tokyo Waseda Univ. Outdoor experiment using multi-user MIMO testbed
Masashi Fushiki, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2013-388
This paper presents the experimental results using Multiuser-Multiple Input Multiple Output (MU-MIMO) testbed in the urb... [more] RCS2013-388
pp.493-498
RCS, SIP 2014-01-23
14:40
Fukuoka Kyushu Univ. A HypothesisTesting Framework For Elevation Beamforming
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) SIP2013-96 RCS2013-266
3D Beamforming (3D BF) is a new feature of 3GPP LTE-A standard that is likely to increase spectral efficiency by exploit... [more] SIP2013-96 RCS2013-266
pp.65-70
RCS, AP
(Joint)
2013-11-21
15:10
Shimane Matsue Terrsa [Invited Lecture] Full-dimensional MIMO (FD-MIMO): Opportunities and Challenges
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) AP2013-114 RCS2013-192
Full-Dimensional MIMO (FD MIMO), also known as Three-Dimensional MIMO (3D MIMO), is a new beamforming paradigm in cellul... [more] AP2013-114 RCS2013-192
p.85(AP), p.109(RCS)
RCS 2013-10-17
14:20
Tokyo Sophia Univ. [Invited Lecture] Innovation of Wireless Access Technology
Yasuyuki Hatakawa, Koichiro Kitagawa, Satoshi Konishi (KDDI R&D Labs.) RCS2013-152
 [more] RCS2013-152
p.61
ASN, RCS, NS, SR
(Joint)
2013-07-19
13:30
Shizuoka Hamamatsu Act City [Invited Talk] A Study on Applicability of Device-to-Device Communication to LTE-Advanced Cellular Communication Systems
Koichiro Kitagawa, Yasuyuki Hatakawa, Satoshi Konishi (KDDI Labs.) RCS2013-118
In the 3rd Generation Partnership Project (3GPP), Device-to-Device (D2D) communication has been discussed as one of the ... [more] RCS2013-118
p.221
RCS 2013-06-20
11:50
Hokkaido Hokkaido Univ. A Study on the Deployment of Device-to-Device Communication under LTE-Advanced networks
Koichiro Kitagawa, Yasuyuki Hatakawa, Satoshi Konishi (KDDI Labs.) RCS2013-51
In 3GPP (The 3rd-Generation Partnership Project) standardization, it has been discussed to adopt Device-to-Device (D2D) ... [more] RCS2013-51
pp.85-90
RCS 2013-06-20
12:10
Hokkaido Hokkaido Univ. Hardware Implementation of Interference Canceller for IDMA Wireless Systems
Shingo Yoshizawa (Kitami Inst. of Tech.), Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI), Yoshikazu Miyanaga (Hokkaido Univ.) RCS2013-52
Due to the increasing demand for machine-to-machine (M2M) communication, a wireless system which realizes simultaneous c... [more] RCS2013-52
pp.91-96
RCS, IN
(Joint)
2013-05-17
10:10
Tokyo Kikai-Shinko-Kaikan Bldg. Benefits of Channel Diagonal Dominance to Cooperative MIMO Systems
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2013-31
In cooperative multiple-input multiple-output (MIMO) cellular systems, a primary base station (BS), typically serving th... [more] RCS2013-31
pp.49-54
RCS, SR, SRW
(Joint)
2013-02-27
09:40
Tokyo Waseda Univ. An LQ-Less Implementation of Tomlinson Harashima Precoding (THP)
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2012-286
Dirty Paper Coding (DPC) is the best known interference cancellation strategy in wireless channels with additive interfe... [more] RCS2012-286
pp.13-18
RCS, SR, SRW
(Joint)
2013-02-27
10:30
Tokyo Waseda Univ. Hermitian Splitting Precoding (HSP) for Wireless MIMO Systems -- All The Channel Capacity, Half The Signaling Cost --
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2012-288
In wireless MIMO systems, capacity-achieving precoding schemes, be they linear (e.g. Singular-Value-Decomposition (SVD) ... [more] RCS2012-288
pp.25-30
RCS, SR, SRW
(Joint)
2013-02-27
11:10
Tokyo Waseda Univ. Open-Loop Homographic Precoding (OLHP) -- A Method for Seamless (Interference-Free) Multiuser Transmission in Wireless SISO/MIMO Systems With No Channel State Information At The Transmitter (CSIT) --
Oussama Souihli, Yasuyuki Hatakawa, Satoshi Konishi (KDDI R&D Labs) RCS2012-290
In linguistics, homographs are words of like spelling and different meanings. Thus, in English, the word "bear" could me... [more] RCS2012-290
pp.37-42
RCS, SR, SRW
(Joint)
2013-02-27
13:00
Tokyo Waseda Univ. Performance Evaluation of CSI Compression Scheme Using Multiuser MIMO Testbed
Tomoko Matsumoto, Yasuyuki Hatakawa, Satoshi Konishi (KDDI Labs.) RCS2012-292
 [more] RCS2012-292
pp.49-54
AP, RCS
(Joint)
2012-11-15
14:00
Tokyo Tokyo Denki University [Requested Talk] Development of Multiuser-MIMO Testbed with Limited CSI Feedback and Non-Linear Precoding
Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI) AP2012-100 RCS2012-167
 [more] AP2012-100 RCS2012-167
pp.43-48(AP), pp.37-42(RCS)
RCS 2012-06-22
12:10
Hokkaido Hakodate City Central Library Proposal of Faster Method for MU-MIMO Precoding Using Fine-Graded Parallel Processing
Kosuke Shimazaki (Hokkaido Univ.), Shingo Yoshizawa (KIT), Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI), Yoshikazu Miyanaga (Hokkaido Univ.) RCS2012-65
This paper proposes a fast processing method for Tomlinson-Harashima Precoding (THP) circuit used for multi-user MIMO (M... [more] RCS2012-65
pp.129-134
SR, RCS, SRW
(Joint)
2012-03-08
11:15
Kanagawa YRP Performance Evaluation of IDMA for Small Packet Transmission
Tomoko Matsumoto, Yasuyuki Hatakawa, Satoshi Konishi (KDDI Labs) RCS2011-342
 [more] RCS2011-342
pp.157-162
AP, RCS
(Joint)
2011-11-17
10:35
Aichi Nagoya Congress Center A Proposal of Multi-user MIMO Scheduling Method with Low Complexity
Kazuhide Toda, Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI R&D Labs.) RCS2011-210
This paper proposes a scheduling method with low complexity for the downlink multi-user MIMO. The decision
of the numbe... [more]
RCS2011-210
pp.127-132
RCS, AN, SR, USN
(Joint)
2011-10-28
15:05
Tokyo Sophia Univ. Proposal of Channel State Information Compression Scheme for Downlink Multi-user MIMO
Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI R&D Labs.) RCS2011-184
 [more] RCS2011-184
pp.261-266
RCS, MoNA, SR
(Joint)
2011-03-04
11:10
Kanagawa YRP Performance Evaluation of the Open Loop Multiuser MIMO Using Dirty Paper Coding - Beamforming
Yasuyuki Hatakawa, Tomoko Matsumoto, Satoshi Konishi (KDDI R&D Labs.), Nandar Lynn (Keio Univ.) RCS2010-304
 [more] RCS2010-304
pp.325-329
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