Wed, Jan 26 PM Session A (Room A)
13:00 - 17:40 |
| (1) |
13:00-13:20 |
Adaptive Transmission Power Control for Packet Relay in 3G Radio Access Networks |
Satoshi Okada, Ryoichi Shinkuma, Tatsuro Takahashi (Kyoto Univ.) |
| (2) |
13:20-13:40 |
Performance Comparison between Rate Adaptation and Multihop Route Selection in Single-Cell Cellular Systems |
Koji Yamamoto, Atsushi Kusuda, Susumu Yoshida (Kyoto Univ.) |
| (3) |
13:40-14:00 |
Distributed Layered Mobility Management for Multi-hop Virtual CellularNetwork |
Eisuke Kudoh, Fumiyuki Adachi (Tohoku Univ.) |
| (4) |
14:00-14:20 |
Transmit Power Efficiency of Multi-Hop MRC Diversity for a Virtual Cellular Network |
Imane Daou, Eisuke Kudoh, Fumiyuki Adachi (Tohoku Univ.) |
| |
14:20-14:40 |
Break ( 20 min. ) |
| (5) |
14:40-15:00 |
Capacity enhancement with space-time coded cooperative relaying in multihop inter-vehicle communications |
Masakazu Tanaka, Toshiaki Koike, Susumu Yoshida (Kyoto Univ.) |
| (6) |
15:00-15:20 |
A Study on Channel Capacity for Wireless Ad Hoc Networks using IEEE802.11 DCF MAC |
Jun Nishimura, Hideyuki Uehara, Mitsuo Yokoyama (TUT) |
| (7) |
15:20-15:40 |
|
Masahiro Watanabe, Shinsuke Tanaka, Sadao Obana, Bokuji Komiyama (ATR), Fujise (NICT) |
| (8) |
15:40-16:00 |
Inter-Vehicle Voice Communication using Multiple Hops |
Takahide Konishi (Keio Univ.), Yuichi Tanaka (Oki Electric Industry Co., Ltd.), Masao Nakagawa (Keio Univ.) |
| |
16:00-16:20 |
Break ( 20 min. ) |
| (9) |
16:20-16:40 |
A study on influence and countermeasures of attenuation in vegetation for quasi-mm wave broadband FWA system |
Ryutaro Ohmoto, Naoto Takahashi, Shuta Ueno, Yukihide Mizumoto, Yoshiyuki Yasui, Katsutoshi Nidaira, Tetsuya Shirozu (NTT) |
| (10) |
16:40-17:00 |
Performance Evaluation of a Field Experimental Network for Next Generation Broadband Fixed Wireless Access Systems |
Shinobu Nanba, Takeshi Kitahara, Satoshi Konishi, Shinichi Nomoto (KDDI R&D Labs.) |
| (11) |
17:00-17:20 |
An Experimental Study on Switching Threshold for Adaptive Modulation Used in Next Generation Broadband Fixed Wireless Access Systems |
Satoshi Konishi, Takeshi Kitahara, Shinobu Nanba, Shinichi Nomoto (KDDI R&D Labs.) |
| (12) |
17:20-17:40 |
Evaluation of Traffic Load Balancing for Next Generation Broadband Fixwd Wireless Access Systems in Field Experiments |
Takeshi Kitahara, Yujin Noishiki, Shinobu Nanba, Satoshi Konishi, Yoji Kishi, Shinichi Nomoto (KDDI Labs.) |
Wed, Jan 26 PM Session B (Room B)
13:00 - 17:20 |
| (13) |
13:00-13:20 |
Compensation of linear distortions using SOM neural network for π/4 shift QPSK mobile radio |
Takeshi Kawamura, Hong Zhou (Osaka Institute of Technology) |
| (14) |
13:20-13:40 |
The optimum discrete approximation of non-uniform FIR filter banks |
Yuichi Kida, Takuro Kida (Nihon Univ.) |
| (15) |
13:40-14:00 |
Characteristics of Mobile Radio Rayleigh Fading Simulator Using Pulse Trains Satisfying WSSUS Condition |
Kenji Arimoto, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Inst Tech) |
| (16) |
14:00-14:20 |
Sampling Frequency Selection Scheme in Undersampling Systems |
Naohiro Sahara (Chuo Univ.), Yoshio Kunisawa, Hisato Iwai (KDDI Labs.), Hiroshi Shirai (Chuo Univ.) |
| |
14:20-14:40 |
Break ( 20 min. ) |
| (17) |
14:40-15:00 |
Quadrature Component Estimation with Least-squares Method in Bandpass Sampling Techniques |
Kazuaki Yoshibayashi, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Inst Tech) |
| (18) |
15:00-15:20 |
Field Experiments on Three-Step Fast Cell Search Algorithm Employing Common Pilot Channel for OFCDM Broadband Wireless Access in Forward Link |
Motohiro Tanno, Kenichi Higuchi, Hiroyuki Atarashi, Mamoru Sawahashi (NTT DoCoMo) |
| (19) |
15:20-15:40 |
Optimization of Pilot Channel and Performance of 4-step Cell Search Algorithm for OFDM Wireless Access in Forward Link |
Minori Morita, Sadaki Futagi (Panasonic Mobile Communications Kanazawa R&D Lab. Co., Ltd.), Masahiko Nanri, Keiji Takakusaki (Panasonic Mobile Communications Co., Ltd.) |
| (20) |
15:40-16:00 |
Experimental study on the in-building location estimation dealing with propagational fluctuation |
Hua Xu, Koji Yamamoto, Susumu Yoshida (Kyoto Univ.) |
| |
16:00-16:20 |
Break ( 20 min. ) |
| (21) |
16:20-16:40 |
A Scheme of Secret Key Agreement Based on the Change of Received Signal Strength by Antenna switching in Land Mobile Radio |
Akito Kitaura, Hideichi Sasaoka (Doshisha University) |
| (22) |
16:40-17:00 |
A scheme of Secret Key Agreement Based on the Change of Eigenvalue of Correlation Matrix in MIMO-OFDM system |
Yoshihiko Ogawa, Hideichi Sasaoka (Doshisha Univ.), Tomohiro Imai, Yasuaki Yuda, Kenichi Miyoshi, Koichi Homma (Matsushita Electric Industrial Co.) |
| (23) |
17:00-17:20 |
Experiment of IEEE802.15.4 Wireless PAN ESPARSKey(Encryption Scheme Parasite Array Radiator Secret Key) |
Keisuke Higuchi, Tomoyuki Aono, Takashi Ohira (ATR), Hideichi Sasaoka (Doshisha Univ.) |
Thu, Jan 27 AM Session A (Room A)
09:00 - 12:00 |
| (24) |
09:00-09:20 |
Performance evaluation of OFDM using Walsh transform for hardware reduction |
Shogo Tanaka, Kentaro Noguchi (Toyohashi Univ. of Tech.), Kazunori Inogai (PMC), Yoshiaki Tadokoro (Toyohashi Univ. of Tech.) |
| (25) |
09:20-09:40 |
Effect of channel estimation error for OFDM/TDM |
Shinsuke Takaoka, Haris Gacanin, Fumiyuki Adachi (Tohoku Univ.) |
| (26) |
09:40-10:00 |
OFDM Packet Transmission System with a sequentially updated channel estimation algorithm
-- concept and fundamental transmission characteristics -- |
Hiroshi Harada (NICT), Ryuhei Funada (Univ.), Chang-Jun Ahn, Satoshi Takahashi (NICT), Manabu Sawada (Denso Corp.) |
| (27) |
10:00-10:20 |
OFDM Packet Transmission System with a Sequentially Updated Channel Estimation Algorithm
-- Experimental Results in High Mobility Environment -- |
Manabu Sawada, Kenichi Koeda, Yasunobu Sugiura, Kunihiko Sasaki (DENSO CORP.), Hiroshi Harada (NICT), Ryuhei Funada (Chuo Univ.) |
| |
10:20-10:40 |
Break ( 20 min. ) |
| (28) |
10:40-11:00 |
A study on channel estimation for DPC-OF/TDMA systems |
Kazunari Yokomakura, Seiichi Sampei (Osaka Univ.), Hiroshi Harada (NiCT), Norihiko Morinaga (Hiroshima International Univ.) |
| (29) |
11:00-11:20 |
A novel desired signal to undesired signal power ratio estimation method in one-sell reuse DPC-OF/TDMA |
Masafumi Moriyama, Hiroshi Harada (NICT), Seiichi Sampei (Osaka Univ) |
| (30) |
11:20-11:40 |
A Study on Inter-CellInterference Suppression using Frequency Domain Equalizer for One-Cell Reuse Broadband TDMA Systems |
Kouji Kadooka, Seiichi Sampei (Osaka Univ.) |
| (31) |
11:40-12:00 |
Study on transmit/receive diversity for multi-carrier transmission |
Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
Thu, Jan 27 PM Session A (Room A)
13:00 - 15:30 |
| (32) |
13:00-13:20 |
OFDM Turbo Equalizer Characteristics in Multipath Environments with Large Delay Spread for Different Modulation Schemes, Coding Rates and Channel Models |
Tomoaki Inoue, Satoshi Suyama, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Tech) |
| (33) |
13:20-13:40 |
Joint use of STTD and Receive Antenna Diversity for OFDM/TDM |
Haris Gacanin, Shinsuke Takaoka, Fumiyuki Adachi (Tohoku Univ.) |
| (34) |
13:40-14:00 |
Investigation of Very-Low Rate Channel Coding for VSF-Spread OFDM Broadband Wireless Access in Forward Link |
Yoshihisa Kishiyama, Nobuhiko Miki, Hiroyuki Atarashi, Mamoru Sawahashi (NTT DoCoMo) |
| (35) |
14:00-14:20 |
A Study on Inserting Duration of Long-preamble on STBC-OFDM System in Rayleigh Fading |
Kenji Ueda (Kyushu Institute of Tech.), Shigenori Kinjo (Que-Wave), Hiroshi Ochi (Kyushu Institute of Tech.) |
| |
14:20-14:30 |
Break ( 10 min. ) |
| (36) |
14:30-14:50 |
MMSE/MSN combined adaptive array antenna for packet communication systems |
Hiroyuki Suzuki, Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki (TUAT) |
| (37) |
14:50-15:10 |
MMSE interference cancellation using adaptive array antenna on the central base station for OFDM distributed access point system |
Masahiro Yoshikane, Takeo Fujii, Yukihiro Kamiya, Yasuo Suzuki (TUAT) |
| (38) |
15:10-15:30 |
Experiments on Adaptive Antenna Array-Beam Forming Receiver Considering Direction of Arrival of Interference Signal in Reverse Link DS-CDMA Broadband Wireless Access |
Takashi Kataoka, Hidekazu Taoka, Kenichi Higuchi, Mamoru Sawahashi (NTT DoCoMo) |
| |
15:30-15:50 |
Break ( 20 min. ) |
Thu, Jan 27 AM Session B (Room B)
09:00 - 12:00 |
| (39) |
09:00-09:20 |
Spreading-Code Assignment for Wireless P-MP Video Transmission |
Hiroshi Nakamura, Ryoichi Shinkuma, Tatsuro Takahashi (Kyoto Univ.) |
| (40) |
09:20-09:40 |
Study on Interference Reduction of Space-Time Packet Scheduler with inter-BTS Cooperation |
Kenzaburo Fujishima, Mikio Kuwahara (Hitachi), Masanori Taira, Syunsaku Abe (Hitachi Comm.) |
| (41) |
09:40-10:00 |
Unified Fast Packet Scheduling Method Considering Fluctuation in Frequency Domain in Forward Link for Spread OFDM Broadband Packet Wireless Access |
Yoshiaki Ofuji, Sadayuki Abeta, Mamoru Sawahashi (NTT DoCoMo) |
| (42) |
10:00-10:20 |
Capacity evaluation of multiband transmission using dynamic channel allocation |
Naoto Matoba, Takatoshi Sugiyama, Masashige Shirakabe, Hitoshi Yoshino (NTT DoCoMo) |
| |
10:20-10:40 |
Break ( 20 min. ) |
| (43) |
10:40-11:00 |
A Study of Implementation of Packet Compression Function on Mobile Packet Access Network |
Shinji Akiyama, Tomoki Shibahara, Katsumi Sekiguchi, Yuichi Suwa (NTT DoCoMo,Inc.) |
| (44) |
11:00-11:20 |
PDMA based Overlapping of Large and Small Cells Sharing a Channel |
Masataka Ohta (TIT) |
| (45) |
11:20-11:40 |
A study of the digital terrastrial broadcasting testbed systems for mobile reception |
Hiroki Ohta, Hiromitsu Wakana (NICT) |
| (46) |
11:40-12:00 |
Reliability-based Hybrid ARQ (RB-HARQ) Schemes using Low-Density Parity-Check (LDPC) codes |
Yoichi Inaba, Tomoaki Ohtsuki (TUS) |
Thu, Jan 27 PM Session B (Room B)
13:00 - 15:30 |
| (47) |
13:00-13:20 |
Analysis on Performance of Bilateral Robot System using Wireless Communication |
Takeshi Marugame, Makoto Ohnishi, Masao Nakagawa (Keio Univ. Grad. School) |
| (48) |
13:20-13:40 |
High reliable open loop network based on Ethernet technology |
Tetsuya Yokotani, Teruko Fujii, Hironori Terauchi, Tetsujiro Yasushi (Mitsubishi) |
| (49) |
13:40-14:00 |
Implementation and Performance Test of the WFQ (Weighted Fair Queuing) with a number of Connections |
Ryusuke Kawate, Sachiko Taniguchi, Takashi Kikuzawa, Tetsuya Yokotani, Tetsujiro Yasushi (Mitsubishi Electric Corp.) |
| (50) |
14:00-14:20 |
Study on Multiplexing Control Method based on Access Unit Priority |
Masayuki Baba, Yoshiaki Kato (Mitsubishi Electric Corp.) |
| |
14:20-14:30 |
Break ( 10 min. ) |
| (51) |
14:30-14:50 |
Time-Division-Multiplexed Fiber Bragg Grating Sensor Using Chirped Fiber Bragg Grating |
Shoji Ichiki, Tomoaki Ohtsuki (TUS) |
| (52) |
14:50-15:10 |
A Study on Optical Orthogonal Codes with Unequal Weights Using FBG Encoders |
Tetsuo Tsujioka, Kazunari Inoue, Hisayoshi Sugiyama, Masashi Murata (Osaka City Univ.) |
| (53) |
15:10-15:30 |
Simultaneous Measurements of PMD, Chromatic Dispersion and Polarization Fluctuations in Actual OPGW |
W. Yamasaki, Yoshinori Namihira, Kazuya Miyagi, N. Zou, L. V. Massawe (University of the Ryukyus), T. Arakaki, Eiji Ikemiyagi (OTNet), Masatsugu Toma (Okinawa Electric Power) |
| |
15:30-15:50 |
Break ( 20 min. ) |
Thu, Jan 27 PM Plenary Session (Room A and B)
15:50 - 17:20 |
| (54) |
15:50-16:30 |
[Special Talk]
A study of the experiment in Okinawa using a stratospheric soloar powered plane |
Yuichiro Nishi (JSC), Ryu Miura (NICT) |
| |
16:30-16:40 |
Break ( 10 min. ) |
| (55) |
16:40-17:20 |
[Special Talk]
Present State and Future of Broadband Communication Networks in Okinawa |
Yoshinori Namihira (University of Ryukyus) |
Fri, Jan 28 AM Session A (Room A)
09:00 - 12:00 |
| (56) |
09:00-09:20 |
Simplified Blind Channel Tracking Scheme for MIMO-OFDM systems |
Yusuke Asai, Daisei Uchida, Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa (NTT Corporation) |
| (57) |
09:20-09:40 |
Simplified maximum-likelihood detection scheme employing metric segmentation and norm constraint |
Toshiaki Koike, Daisuke Nishikawa, Susumu Yoshida (Kyoto Univ.) |
| (58) |
09:40-10:00 |
FPGA implementation and performance evaluation of real-time MIMO-MLD usiing simplified metrics |
Yukinaga Seki, Toshiaki Koike (Kyoto Univ.), Hidekazu Murata (Tokyo Inst. Tech.), Susumu Yoshida (Kyoto Univ.), Kiyomichi Araki (Tokyo Inst. Tech.) |
| (59) |
10:00-10:20 |
Quasi-ML iterative space-time equalizer assisted by frequency-domain MMSE equalization |
Toshiaki Koike, Yasunori Nouda, Susumu Yoshida (Kyoto Univ.) |
| |
10:20-10:40 |
Break ( 20 min. ) |
| (60) |
10:40-11:00 |
Stochastic Prediction of Transmission Errors in MIMO Eigenbeam Space Division Multiplexing |
Satoshi Takahashi, Chang-Jun Ahn, Hiroshi Harada, Yukiyoshi Kamio (NICT) |
| (61) |
11:00-11:20 |
Performance comparison between OFDM and DS-CDMA radio access using MIMO multiplexing in multi-path fading channel |
Kenichi Higuchi, Junichiro Kawamoto, Hiroyuki Kawai, Noriyuki Maeda, Mamoru Sawahashi (NTT DoCoMo) |
| (62) |
11:20-11:40 |
A Study of MIMO for W-CDMA Uplink |
Toyohisa Tanaka, Takeo Ohgane, Toshihiko Nishimura, Yasutaka Ogawa (Hokkaido Univ.) |
| (63) |
11:40-12:00 |
Effect of spreading factor for multicode DS-CDMA MIMO Multiplexing using Frequency-domain Iterative Parallel Interference Cancellation |
Akinori Nakajima, Garg Deepshikha, Fumiyuki Adachi (Tohoku Univ.) |
Fri, Jan 28 PM Session A (Room A)
13:00 - 16:40 |
| (64) |
13:00-13:20 |
Adaptive Sub-carrier Block Modulation with Differentially Modulated Pilot Symbol Assistance for Down-link OFDM Using Up-link Delay Spread |
Chang-Jun Ahn, Satoshi Takahashi, Hiroshi Harada (NICT) |
| (65) |
13:20-13:40 |
polarization diversity employing transmit power control in MIMO-OFDM system |
Tsutomu Ohno, Iwao Sasase (Keio Univ.) |
| (66) |
13:40-14:00 |
Algorithm of Low-Power Consumption Standby For Wireless LAN-Capable Mobile Phones |
Kiyohito Nagata (NTT DoCoMo), Masutada Mouri (NTT DoCoMo Kansai) |
| |
14:00-14:20 |
Break ( 20 min. ) |
| (67) |
14:20-14:40 |
Compressed Block Ack, an efficient selective repeat mechanism for IEEE802.11n |
Tetsu Nakajima, Tomoko Adachi, Yasuyuki Nishibayashi, Yoriko Utsunomiya, Tomoya Tandai, Masahiro Takagi (Toshiba Crop.) |
| |
- |
Withdraw |
| (68) |
14:40-15:00 |
A Study on Adaptive Multi-code Transmission Technique using the Link Quality Estimation by Pseudo-error Rate for Wireless LAN |
Yoshinori Mizutani, Hideichi Sasaoka (Doshisha Univ.) |
| (69) |
15:00-15:20 |
Access Control for Fair Two-Way Communication in Wireless LAN |
Masakatsu Ogawa, Yutaka Kuno, Tetsu Sakata, Shuji Kubota (NTT) |
| |
15:20-15:40 |
Break ( 20 min. ) |
| (70) |
15:40-16:00 |
A MAC Protocol for 20/40 MHz Coexistence in High Throughput Wireless LAN |
Yoriko Utsunomiya, Yasuyuki Nishibayashi, Tetsu Nakajima, Tomoya Tandai, Tomoko Adachi, Masahiro Takagi (Toshiba) |
| (71) |
16:00-16:20 |
A New Multi-channel Multi-radio Mesh Architecture for extending the Coverage Area of WLAN Hot Zones |
Luis Loyola, Tomoaki Kumagai, Kengo Nagata, Shinya Otsuki, Satoru Aikawa (NTT) |
| (72) |
16:20-16:40 |
A New Transmission Method for Efficient Radio Resource Sharing between Uplink and Downlink Channels in IEEE 802.11 WLAN system |
Kengo Nagata, Shinya Otsuki, Tomoaki Kumagai, Luis Loyola, Satoru Aikawa (NTT) |
Fri, Jan 28 AM Session B (Room B)
09:00 - 12:00 |
| (73) |
09:00-09:20 |
Wireless Sensor Networks with Local Fusion |
Hiroshi Yamamoto, Tomoaki Ohtsuki (TUS) |
| (74) |
09:20-09:40 |
Study on Optical ZCZ Codies and their Optical CDMA Systems |
Takuo Takahashi, Shinya Matsufuji, Takahiro Matsumoto, Yoshihiro Tanada (Yamaguchi Univ.) |
| (75) |
09:40-10:00 |
A Trial of a Digital Matched Filter for an M-ary/DS-SS System Using an Optical ZCZ Code |
Takahiro Matsumoto, Shigeo Tsukiashi, Shinya Matsufuji, Yoshihiro Tanada (Yamaguchi Univ.) |
| (76) |
10:00-10:20 |
Train Communication System using Millimeter Wave |
Norio Senda (Keio Univ.), Yuichi Tanaka (Oki Electric), Masao Nakagawa (Keio Univ.) |
| |
10:20-10:30 |
Break ( 10 min. ) |
| (77) |
10:30-10:50 |
Technical Requirements for 10 Gbit/s Free Space Optical Transmission System |
Shigeru Kuwano, Masashi Hashimoto, Masahiro Umehira (NTT) |
| (78) |
10:50-11:10 |
Proposals of optical/RF hybrid wireless LAN that can provide high-speed downlink |
Koji Akimoto, Kenji Hisadome, Noboru Iwasaki (NTT) |
| |
11:10-11:20 |
Break ( 10 min. ) |
| (79) |
11:20-12:00 |
[Keynote Address]
Optical and Wireless Access Integrated Services and Standardization |
Shuji Kubota (NTT) |
| |
12:00-13:00 |
Lunch Break ( 60 min. ) |
Fri, Jan 28 PM Session B (Room B)
13:00 - 17:00 |
| (80) |
13:00-13:20 |
Automatic LUT Estimation for Baseband Predistortion |
Hiroyuki Nakamura, Kazuji Watanabe, Takashi Maruyama, Masashi Nakatsugawa (NTT) |
| (81) |
13:20-13:40 |
Throughput and link capacity of slotted Aloha DS-CDMA with random TPC in a multi-cell environment |
ZhiSen Wang, Eisuke Kudoh, Fumiyuki Adachi (Tohoku Univ.) |
| (82) |
13:40-14:00 |
DS-CDMA Frequency-domain Multi-access Interference Canceller |
Koichi Ishihara, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
| (83) |
14:00-14:20 |
Iterative frequency-domain ICI canceller for improving DS-CDMA signal transmission performance |
Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) |
| |
14:20-14:40 |
Break ( 20 min. ) |
| (84) |
14:40-15:00 |
Frequency-domain differential encoding/decoding for single-carrier DS-CDMA |
Le Liu, Fumiyuki Adachi (Tohoku Univ.) |
| (85) |
15:00-15:20 |
Joint Transmission for Time Space Block Coded TD-SCDMA |
Norharyati Binti Harum, Riaz Esmailzadeh, Masao Nakagawa (Keio Univ.) |
| (86) |
15:20-15:40 |
Performance Evaluation of Layered Space-Frequency Equalization with Iterative Cancellation |
Amane Inoue, Tomoaki Ohtsuki (TUS) |
| |
15:40-16:00 |
Break ( 20 min. ) |
| (87) |
16:00-16:20 |
Intersymbol Interference Characteristics of Single Side-Band QPSK and Its Turbo Equalizer Performance |
Boonsarn Pitakdumrongkija, Hiroshi Suzuki, Satoshi Suyama, Kazuhiko Fukawa (Tokyo Inst. Tech.) |
| (88) |
16:20-16:40 |
Interference Cancellation Technique Using Cycle-and-Add Property |
Mariko Araki, Yoshikazu Yamaguchi, Mitsuo Yokoyama, Hideyuki Uehara (TUT) |
| (89) |
16:40-17:00 |
Improvement of Bandwidth Efficiency of Ultra Wideband-Impulse Radio (UWB-IR) with Frequency-Domain Equalization (FDE) based on Cyclic Prefix (CP) Reconstruction |
Shintaro Yoshida, Tomoaki Ohtsuki (TUS) |
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