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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 11 of 11  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE 2018-11-08
15:50
Overseas China (Xuchang) Localization of coherent targets with UWB MIMO radars employing extrapolation of array antenna elements, spatial smoothing, and MUSIC algorithm
Yuki Hirota (TDU)
 [more]
CQ 2017-01-20
16:25
Osaka Osaka University Nakanoshima Center A Study on Spatio-Temporal Variability of Mobile Access Traffic and Subspace Tracking-Based Change-Point Detection
Takahiro Matsuda, Senri Hirabaru (Osaka Univ.), Yuki Hirota (KDDI), Haruki Izumikawa, Hiroshi Hanano, Chihiro Ono (KDDI Research), Tetsuya Takine (Osaka Univ.) CQ2016-110
In mobile networks, network monitoring for access traffic is important for efficiently utilizing network resources. In t... [more] CQ2016-110
pp.115-120
IE, IMQ, MVE, CQ
(Joint) [detail]
2016-03-08
09:00
Okinawa   A Subspace Tracking-Based Change-Point Detection Scheme for Channel Access Traffic in Mobile Networks
Senri Hirabaru, Takahiro Matsuda (Osaka Univ.), Yuki Hirota (KDDI), Haruki Izumikawa, Hiroshi Hanano, Chihiro Ono (KDDI Labs), Tetsuya Takine (Osaka Univ.) CQ2015-133
 [more] CQ2015-133
pp.141-146
CQ, ICM, NS
(Joint)
2015-11-26
09:40
Niigata Niigata University Uplink Poor Performance Detection for LTE System Based on State Monitoring in Data Connection
Haruki Izumikawa, Yuki Hirota, Hiroshi Hanano, Chihiro Ono (KDDI Labs) CQ2015-76
 [more] CQ2015-76
pp.7-11
MoNA 2015-08-04
14:35
Hyogo Kobe University Centennial Hall (Rokko Hall) [Encouragement Talk] How high is the floor? Floor Height Estimation Based on Mobile Phones with Sensor Data
Haruki Izumikawa, Yuki Hirota, Hiroshi Hanano, Chihiro Ono (KDDI Labs.) MoNA2015-12
We have undertaken research and development with the objectives of making cellular coverage distinctly visible and ident... [more] MoNA2015-12
pp.21-24
AP 2015-02-20
14:30
Hyogo Chusho-kigyou center at Amagasaki-City [Invited Lecture] The evaluation on the outdoor-to-indoor propagation loss prediction method for a low height antenna -- The prediction method for indoor by the street micro cell propagation mechanism --
Yuki Hirota, Shinobu Nanba, Takahiro Hayashi (KDDI Lab) AP2014-207
 [more] AP2014-207
pp.113-118
IN, MoNA
(Joint)
2014-11-19
10:15
Yamaguchi Simonosekishi-Kinro-Fukushi-Kaikan 3D-LF: Floor Level Estimation Based on the Barometric Pressure in Conjunction with Location Fingerprint
Haruki Izumikawa, Yuki Hirota, Daisuke Kamisaka, Chihiro Ono (KDDI Labs) MoNA2014-54
We have been involved in research and development to estimate the indoor floor level of a mobile terminal equipped with ... [more] MoNA2014-54
pp.31-36
MoNA 2014-07-29
13:50
Aichi Aichi University of Technology [Encouragement Talk] 3D-MDT: What floor was the measurement made in Minimization of Drive Tests?
Haruki Izumikawa, Yuki Hirota, Daisuke Kamisaka, Chihiro Ono (KDDI Labs.) MoNA2014-18
For determining cellular coverage problems efficiently, some studies including MDT (Minimization of Drive-Tests) in 3GPP... [more] MoNA2014-18
pp.9-14
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
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
RCS, NS
(Joint)
2008-07-18
11:30
Kyoto Kyoto University An efficient utilization of the space for ad hoc network with adaptive modulation based on FIA
Yuki Hirota, Yukihiro Kamiya, Kenta Umebayashi, Yasuo Suzuki (TUAT) RCS2008-44
Forward Interference Avoidance (FIA), which increases the number of co-existent wireless links using Adaptive Array Ante... [more] RCS2008-44
pp.73-78
 Results 1 - 11 of 11  /   
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