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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CNR 2011-12-19
11:00
Kyoto Doshisha Univ. Offline map matching with Gibbs sampling for scanmatching-data generation
Akinori Asahara, Takayuki Akiyama, Yoshitaka Hara, Yaemi Teramoto, Kiyohiro Obara, Masashi Koga (Hitachi) CNR2011-27
For an automatic land vehicle which runs downtown freely, a data construction method for the scan matching, that is a te... [more] CNR2011-27
pp.21-26
AP, RCS
(Joint)
2010-11-12
11:00
Fukui Fukui Univ. Theoretical Study on Power Efficient MIMO Transmission and Operating Frequency Towards Green Radio
Yoshitaka Hara, Noriyuki Fukui, Hiroshi Kubo (Mitsubishi Electric) RCS2010-152
This paper presents theoretical study on power-efficient MIMO transmission and operating frequency for green radio. It i... [more] RCS2010-152
pp.63-68
RCS, SAT
(Joint)
2009-12-18
10:30
Tokyo Kikai-Shinko-Kaikan Bldg. Performance Evaluation of Rank-1 Precoded Sounding Reference Signal in LTE-Advanced
Yoshitaka Hara, Noriyuki Fukui, Hiroshi Kubo (Mitsubishi Electric) RCS2009-186
In LTE-Advanced, a terminal can transmit signals simultaneously from 4 antennas, while an LTE terminal transmits a signa... [more] RCS2009-186
pp.113-118
ITS, WBS
(Joint)
2009-12-08
15:25
Kumamoto Kumamoto University [Poster Presentation] A Study on Non-regenerative Coherent Transmission System
Nico Prananta, Shinsuke Hara (Osaka City Univ.), Yoshitaka Hara (Mitsubishi Electric) WBS2009-43
 [more] WBS2009-43
pp.41-46
RCS, AP
(Joint)
2009-11-26
14:15
Tokyo Tokyo Inst. of Tech. Inter-node Carrier Frequency Synchronization Using Satellite Signal for Cooperative Coherent Transmission
Yoshitaka Hara, Noriyuki Fukui, Hiroshi Kubo (Mitsubishi Electric Corp.) AP2009-122 RCS2009-144
 [more] AP2009-122 RCS2009-144
pp.19-24(AP), pp.67-72(RCS)
RCS, IN
(Joint)
2009-05-22
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. Over-the-air Inter-node Carrier Phase Synchronization for Cooperative Coherent Transmission
Yoshitaka Hara, Noriyuki Fukui, Hiroshi Kubo (Mitsubishi Electric) RCS2009-17
This paper proposes new over-the-air inter-node carrier phase synchronization to maintain constant inter-node carrier ph... [more] RCS2009-17
pp.97-102
RCS, IN
(Joint)
2009-05-22
13:20
Tokyo Kikai-Shinko-Kaikan Bldg. Performance Evaluation of Over-the-air Inter-node Carrier Phase Synchronization for LTE-Advanced
Yoshitaka Hara, Noriyuki Fukui, Hiroshi Kubo (Mitsubishi Electric) RCS2009-18
This paper presents performance evaluation of over-the-air inter-node carrier phase synchronization proposed in [1] for ... [more] RCS2009-18
pp.103-108
RCS 2008-08-27
15:20
Hokkaido Hokkaido University An Efficient Relaying Scheme for High Spectral Efficiency in Cellular Environments
Yoshitaka Hara, Hiroshi Kubo (Mitsubishi Electric) RCS2008-65
This paper proposes an amplifier and forward (AF) relaying scheme for high spectral efficiency in cellular environments.... [more] RCS2008-65
pp.73-78
RCS 2008-08-27
15:45
Hokkaido Hokkaido University An Efficient Multiuser Relaying Scheme in OFDMA Systems
Yoshitaka Hara, Hiroshi Kubo (Mitsubishi Electric) RCS2008-66
This paper proposes an efficient multiuser relaying scheme in OFDMA systems. In the proposed scheme, multiple terminals ... [more] RCS2008-66
pp.79-84
IN, RCS
(Joint)
2008-05-30
13:50
Tokyo Kikai-Shinko-Kaikan Bldg. An Antenna Array Auto-Calibration Method with Bidirectional Channel Measurement for TDD Systems
Yasunori Nouda, Yoshitaka Hara, Yasuhiro Yano, Hiroshi Kubo (Mitsubishi Electric) RCS2008-12
 [more] RCS2008-12
pp.69-74
RCS, AN, MoNA, SR, WBS
(Joint)
2008-03-06
17:10
Kanagawa YRP A Non-Regenerative/Coherent Combining Relaying System
Tran Manh Hoang (Hanoi U of Tech), Shinsuke Hara (OCU), Yoshitaka Hara (Mitsubishi Electric) RCS2007-228
This paper investigates the performance of a non-regenerative/coherent combining relaying system. To derive the optimal ... [more] RCS2007-228
pp.251-256
RCS, AN, MoNA, SR, WBS
(Joint)
2008-03-06
17:30
Kanagawa YRP An Ultra Accurate Carrier Frequency Control Between Wireless Stations
Yoshitaka Hara, Kazuaki Ishioka, Yasuhiro Yano, Hiroshi Kubo (Mitsubishi Electric) RCS2007-229
This paper proposes an ultra accurate carrier frequency control, in which two wireless stations can keep a very close ca... [more] RCS2007-229
pp.257-262
RCS, AN, MoNA, SR, WBS
(Joint)
2008-03-06
17:50
Kanagawa YRP An Ultra Accurate Carrier Frequency and Phase Control in OFDMA/TDD
Yoshitaka Hara, Kazuaki Ishioka, Yasuhiro Yano, Hiroshi Kubo (Mitsubishi Electric) RCS2007-230
This paper proposes an ultra accurate carrier frequency control for OFDMA/TDD systems, in which two wireless stations ca... [more] RCS2007-230
pp.263-268
RCS, SIP 2008-01-24
13:15
Hiroshima Hiroshima City Uni. Antenna Calibration Using Frequency Selection in OFDMA/TDD Systems
Yoshitaka Hara, Yasuhiro Yano, Hiroshi Kubo (Mitsubishi Electric Corp.) SIP2007-140 RCS2007-143
This paper proposes antenna array calibration using frequency selection in OFDMA/TDD systems. In the proposed method, fr... [more] SIP2007-140 RCS2007-143
pp.55-60
RCS, SIP 2008-01-24
13:40
Hiroshima Hiroshima City Uni. Cooperative Control of Antenna Array Calibration in OFDMA/TDD Systems
Yoshitaka Hara, Yasuhiro Yano, Hiroshi Kubo (Mitsubishi Electric Corp.) SIP2007-141 RCS2007-144
This paper proposes antenna array calibration to exploit channel reciprocity through a cooperative supporter in OFDMA/TD... [more] SIP2007-141 RCS2007-144
pp.61-65
RCS, MoNA, WBS, SR, MW
(Joint)
2007-03-08
11:20
Kanagawa YRP Transmit Power Control for Pilot-based CQI Reporting in OFDMA/TDD Systems
Yoshitaka Hara (Mitsubishi Electric), Kazuyoshi Oshima (Mitsubishi Electric ITE) RCS2006-261
This paper proposes transmit power control for pilot-based CQI reporting in OFDMA/TDD systems. In the proposed method, t... [more] RCS2006-261
pp.107-110
RCS, NS
(Joint)
2006-07-21
14:55
Hokkaido Hokkaido Univ. CQI Reporting in OFDMA/TDD Systems with Cochannel Interference
Yoshitaka Hara, Kazuyoshi Oshima (Mitsubishi Electric ITE-TCL) RCS2006-94
This paper proposes a new uplink signalling to report the terminal's channel quality in multiple subbands to the base st... [more] RCS2006-94
pp.209-214
RCS, NS
(Joint)
2006-07-21
15:15
Hokkaido Hokkaido Univ. New Channel State Feedback for TDD/MIMO Systems with Co-channel Interference
Yoshitaka Hara, Kazuyoshi Oshima (Mitsubishi Electric ITE-TCL) RCS2006-95
This paper proposes pilot-based signalling to report terminal's channel state to the base station (BS) considering co-ch... [more] RCS2006-95
pp.215-220
RCS, NS
(Joint)
2006-07-21
15:35
Hokkaido Hokkaido Univ. Remote Control of Transmit Beamforming in TDD/MIMO Systems
Yoshitaka Hara, Kazuyoshi Oshima (Mitsubishi Electric ITE-TCL) RCS2006-96
This paper propose a new control scheme that the base station (BS) controls terminal's transmit beamforming in multi-inp... [more] RCS2006-96
pp.221-226
RCS, NS
(Joint)
2006-07-21
15:55
Hokkaido Hokkaido Univ. Uplink Spatial Scheduling Using Adaptive Transmit Beamforming in Multiuser MIMO System
Yoshitaka Hara, Loic Brunel, Kazuyoshi Oshima (Mitsubishi Electric ITE-TCL) RCS2006-97
This paper presents uplink spatial scheduling with adaptive transmit beamforming, where terminals perform system-based t... [more] RCS2006-97
pp.227-232
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