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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2011-05-13 10:55 |
Kagoshima | Consideration on the Effect of the Delayed Wave exceeding the Guard Interval for MIMO-OFDM Transmission System through Indoor Propagation Experiments. Yuki Hirota, Shinobu Nanba, Yoji Kishi (KDDI R&D)  AP2011-18 |
[more] | AP2011-18 pp.71-76 |
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| RCS, MoNA, SR (Joint) |
2011-03-04 11:50 |
Kanagawa | YRP | Symbol Synchronization method for Base Station Cooperation MIMO-OFDM in Heterogeneous Network Shinichi Tajima, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Shoji Kaneko, Yoji Kishi (KDD Lab) RCS2010-306 |
In modern cellular networks, performance degradation of communication quality at the cell-edge due to inter-cell interf... [more] |
RCS2010-306 pp.337-342 |
| AP, RCS (Joint) |
2010-11-11 10:20 |
Fukui | Fukui Univ. | Performance evaluation of cross-polarized 4x4 MIMO transmission through the outdoor field measurement in 2.1GHz band. Yuki Hirota, Shinobu Nanba, Yoji Kishi (KDDI R&D) AP2010-99 |
[more] | AP2010-99 pp.41-46 |
| AP, RCS (Joint) |
2010-11-12 13:50 |
Fukui | Fukui Univ. | Dynamic clustering for base station cooperation cellular system using remote radio head network Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech), Shoji Kaneko, Yoji Kishi (KDDI Lab.) RCS2010-155 |
[more] | RCS2010-155 pp.81-86 |
| NS, IN (Joint) |
2010-03-05 13:00 |
Miyazaki | Miyazaki Phoenix Seagaia Resort (Miyazaki) | GREEN-CANES: Adaptive Activation Controls of Macro/Femtocell Base Stations for Energy Savings Haruki Izumikawa, Yoji Kishi (KDDI R&D Labs.) NS2009-257 |
Recently, research about energy savings in cellular access networks has been gaining momentum in response to increasing ... [more] | NS2009-257 pp.533-536 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-04 10:50 |
Kanagawa | YRP | Deterioration of channel capacity due to propagation delay difference in Base Station Cooperation MIIMO-OFDM Shinichi Tajima, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Shoji Kaneko, Yoji Kishi (KDDI labs) RCS2009-289 |
In modern cellular systems, reduction of communication quality at cell-edge is a serious problem (cell-edge problem). B... [more] |
RCS2009-289 pp.179-184 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-04 11:10 |
Kanagawa | YRP | User Combination Selection Method for Base Station Cooperation Multi-User MIMO Naoki Kusashima, Ian Garcia, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Shoji Kaneko, Yoji Kishi (KDDI Lab) RCS2009-290 |
Communication quality degradation at cell-edge areas (cell-edge problem) is a big problem in conventional cellular syste... [more] | RCS2009-290 pp.185-190 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-04 17:20 |
Kanagawa | YRP | A Key Sharing Method for a Personal Network on User-driven Service Creation Platform Takashi Matsunaka, Takayuki Warabino, Yoji Kishi (KDDI Labs.), Takeshi Umezawa, Kiyohide Nakauchi, Masugi Inoue (NICT) MoMuC2009-86 |
In recent years, personal devices and access systems which the devices connect to become diversified. The authors have d... [more] | MoMuC2009-86 pp.71-76 |
| RCS, AN, MoNA, SR (Joint) |
2010-03-05 10:20 |
Kanagawa | YRP | Throughput Estimation Method Based on Average and Standard Deviation of Received SINR for Cellular System with Adaptive-Modulation-and-Coding and Hybrid ARQ
-- Throughput Estimation taking into account Incremental Redundancy (IR) Combining -- Riichiro Nagareda, Yoji Kishi (KDDI Labs.) RCS2009-310 |
[more] | RCS2009-310 pp.303-308 |
| CQ | 2009-09-10 13:00 |
Gifu | Takayama Culture Center | A Virtual Networking Method using NFC Mobile Takeshi Umezawa, Kiyohide Nakauchi, Masugi Inoue (NICT), Takashi Matsunaka, Takayuki Warabino, Yoji Kishi (KDDI R&D Labs.) CQ2009-25 |
[more] | CQ2009-25 pp.1-6 |
| RCS | 2009-08-03 14:40 |
Miyagi | Tohoku Univ. | Throughput Estimation Using Average and Standard Deviation of Received SINR for Cellular System with Adaptive-Modulation-and-Coding and Hybrid ARQ Riichiro Nagareda, Yoji Kishi (KDDI R&D Labs Inc.,) RCS2009-88 |
In cellular systems, it is important to design service areas appropriately for providing various services such as web br... [more] | RCS2009-88 pp.61-66 |
| NS, RCS (Joint) |
2009-07-17 13:00 |
Hokkaido | Hokkaido University (Hokkaido) | User scheduling in cellular system with Base Station Cooperation Naoki Kusashima, Ian Dexter Garcia (Tokyo Tech), Shoji Kaneko, Yoji Kishi (KDDI Lab), Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech) RCS2009-66 |
Communication quality reduction at cell-edge (cell-edge problem) is a big problem in modern cellular system. Recently, B... [more] | RCS2009-66 pp.77-82 |
| RCS, AN, MoNA, SR (Joint) |
2009-03-05 15:15 |
Kanagawa | YRP | Throughput Estimation Using Average and Standard Deviation of Received SINR for Cellular System with Adaptive-Modulation-and-Coding and ARQ Riichiro Nagareda, Yoji Kishi, Haruki Izumikawa (KDDI R&D Lab. Inc.,) RCS2008-246 |
In cellular systems, it is important to design service areas appropriately for providing various services such as voice ... [more] | RCS2008-246 pp.203-206 |
| IN, NS (Joint) |
2009-03-03 10:50 |
Okinawa | Okinawa-Zanpamisaki Royal Hotel | Proposal of session control method cooperating core and overlay network for Minimum Core architecture Takayuki Warabino, Yoji Kishi, Hidetoshi Yokota (KDDI Labs.) NS2008-172 |
The authors are advocating the “Minimum Core” architecture toward New Generation Network (NWGN). In the architecture, ne... [more] | NS2008-172 pp.165-170 |
| RCS, NS (Joint) |
2008-07-18 14:20 |
Kyoto | Kyoto University | Implementation and Experimental Results of Efficient Handover Support Method using Service Area Map in Heterogeneous Networks Haruki Izumikawa, Yoji Kishi (KDDI R&D Labs.) NS2008-41 |
The authors have already proposed a handover support method that enables a mobile terminal to select an appropriate acce... [more] | NS2008-41 pp.89-94 |
| IN | 2008-06-20 13:50 |
Hokkaido | Hokkaido Univ. | Study of New Mobile Converged Architecture:SIP-based Cellular Network Extension Haruki Izumikawa (KDDI R&D Labs.), Shigeru Iwasaki, Junichi Kashima (KDDI), Yoji Kishi (KDDI R&D Labs.), Yuji Sako (KDDI), Riichiro Nagareda (KDDI R&D Labs.) IN2008-22 |
Recently, with the emergence of a wide variety of access technologies, dual/multi-mode terminals, which have several net... [more] | IN2008-22 pp.73-78 |
| MoNA, IPSJ-MBL | 2008-05-22 08:35 |
Okinawa | Okinawa-seinen-kaikan | Basic Design of A User-driven Service Creation Platform Assisted by Cellular Systems Kiyohide Nakauchi, Ved P. Kafle, Masugi Inoue (NICT), Takashi Matsunaka, Takayuki Warabino, Yoji Kishi (KDDI R&D Labs) MoMuC2008-1 |
In spite of recent advances of personal communication devices and access network technology, users are still facing the ... [more] | MoMuC2008-1 pp.1-6 |
| MoNA, IPSJ-MBL | 2008-05-22 09:00 |
Okinawa | Okinawa-seinen-kaikan | An Authentication Method for a User-driven Service Creation Platform Assisted by Cellular Systems Takashi Matsunaka, Takayuki Warabino, Yoji Kishi (KDDI R&D Labs.), Kiyohide Nakauchi, Ved P. Kafle, Masugi Inoue (NICT) MoMuC2008-2 |
Devices and access systems which they are connected are becoming diverse. Under such circumstances, a mechanism is requi... [more] | MoMuC2008-2 pp.7-12 |
| NS, IN (Joint) |
2008-03-06 08:20 |
Okinawa | Bankoku Shinryokan | Terminal-driven Coverage Area Detection with Low Power Consumption Haruki Izumikawa, Yoji Kishi, Riichiro Nagareda (KDDI Labs.) NS2007-130 |
It is necessary to select an appropriate access network out of the several available when a multi-mode terminal is used.... [more] | NS2007-130 pp.1-6 |
| ISEC, IT, WBS | 2008-02-28 10:45 |
Tokyo | Secure Data Sharing in Mobile Environments Takashi Matsunaka, Takayuki Warabino, Yoji Kishi (KDDI R&D Labs.) IT2007-33 ISEC2007-130 WBS2007-64 |
This paper proposes an approach for sharing data securely on mobile terminals with members of a particular group. In mob... [more] | IT2007-33 ISEC2007-130 WBS2007-64 pp.9-14 |
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