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Technical Committee on Radio Communication Systems (RCS)
Chair: Yasushi Yamao Vice Chair: Takeo Ogane, Mamoru Sawahashi
Secretary: Eiji Okamoto, Kenichi Higuti
Assistant: Yusuke Asai, Takumi Ito, Yoshitaka Hara

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Technical Committee on Network Systems (NS)
Chair: Kou Miyake Vice Chair: Miki Yamamoto
Secretary: Hideki Tode, Ichiro Inoue
Assistant: Takashi Miyamura

DATE:
Thu, Jul 19, 2007 09:00 - 16:50
Fri, Jul 20, 2007 09:00 - 16:30

PLACE:
Kitami Institute of Technology(165 Koen-cho, Kitami-city, 090-8507,Japan. The nearest airport from Kitami Institute of Technology is Memanbetsu Airport.http://www.kitami-it.ac.jp/eng/for/about/location.htm. Tadatoshi Tanifuji, Prof&Ph.D. 0157-26-9296)

TOPICS:

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Thu, Jul 19 AM (09:00 - 10:30)
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(1)/RCS 09:00 - 09:20
Performance Improvement of GAKE using enhanced Walsh code
Wei Wang, Eiji Okamoto, Yasunori Iwanami (Nagoya Institute of Technology)

(2)/RCS 09:20 - 09:40
Study on performance improvement of Turbo equalization concatenated by SC/MMSE
Yuta Kadoike, Eiji Okamoto, Yasunori Iwanami (NIT)

(3)/RCS 09:40 - 10:00
A study on turbo equalizer exploiting dynamic spectrum control in correlated MIMO channels
Hokuto Itoh, Shinsuke Ibi, Seiichi Sampei (Osaka Univ.)

(4)/RCS 10:00 - 10:20
Noise Reduction Scheme with Using Redundant GI in Uplink IFDMA
Akira Yamasaki (Keio Univ.), Osamu Takyu (Tokyo Univ. of Science), Shunsuke Kondo, Masao Nakagawa (Keio Univ.)

----- Break ( 10 min. ) -----

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Thu, Jul 19 AM (10:30 - 12:50)
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(5)/NS 10:30 - 10:50
Implementation and Evaluation of Traveling Wave based Communication Mechanism for Wireless Sensor Networks
Yoshiaki Taniguchi, Naoki Wakamiya, Masayuki Murata (Osaka Univ.)

(6)/NS 10:50 - 11:10
Modified X-MAC Protocol for Increasing Throughput by Considering Buffer Size of the Reception Node in Wireless Sensor Networks
Naoki Masuda, Iwao Sasase (Keio Univ.)

(7)/NS 11:10 - 11:30
Differences between Centralized Control and Self-Organized Control in Robustness of Sensor Networks
Yuichi Kiri (Osaka Univ.), Masashi Sugano (Osaka Prefecture Univ.), Masayuki Murata (Osaka Univ.)

(8)/NS 11:30 - 11:50
Basic measurement of coginitive radio network by IP-TV application
Junji Yamamoto, Seishi Hanaoka, Masashi Yano (Hitachi, CRL)

----- Lunch Break ( 60 min. ) -----

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Thu, Jul 19 PM (12:50 - 14:20)
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(9)/RCS 12:50 - 13:10
Blind detection of DS-CDMA signals in time dispersive communication channels
Yuji Kimura, Koji Shibata, Takakazu Sakai, Atsushi Nakagaki (Kitami Inst. Tech.)

(10)/RCS 13:10 - 13:30
AN ADAPTIVE PREDISTORTION METHOD BASED ON ORTHOGONAL POLYNOMIAL EXPANSION FOR NONLINEAR DISTORTION COMPENSATION
Seiji Ohmori (Kyushu Univ.), Xu Guangsheng (NTT), Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.)

(11)/RCS 13:30 - 13:50
Study of OSDM over Quasi-Static Channel
Chenggao Han (Univ. of Electro-comm.), Naoki Suehiro (Univ. of Tsukuba), Takeshi Hashimoto (Univ. of Electro-comm.)

(12)/RCS 13:50 - 14:10
New Wireless Communication Method with Twice Larger wireless Frequency Usage Efficiency than OFDM
Naoki Suehiro, Rongzhen Jin (Univ. of Tsukuba), Chenggao Han (Univ.of Electro-Comm.), Toshiaki Imoto (Univ. of Tsukuba)

----- Break ( 10 min. ) -----

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Thu, Jul 19 PM (14:20 - 15:30)
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(13)/RCS 14:20 - 14:40
HARQ throughput performance of OFDM MIMO using iterative modified QRD-M
Koichi Adachi, Masao Nakagawa (Keio Univ.)

(14)/RCS 14:40 - 15:00
A Weight Optimization Method under Constraint of the Maximum Power for an Antenna Element in SDM Systems
Daiki Fujii, Osamu Muta, Yoshihiko Akaiwa (Kyushu Univ.)

(15)/RCS 15:00 - 15:20
Improvement Effect by Subcarrier Phase Hopping SLM for MIMO-OFDM Transmission Performance Degradation due to Power Amplifier Nonlinearity
Zhang Jieting, Satoshi Suyama, Hiroshi Suzuki, Kazuhiko Fukawa (Tokyo Tech.)

----- Break ( 10 min. ) -----

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Thu, Jul 19 PM (15:30 - 16:50)
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(16)/NS 15:30 - 15:50
End-to-end QoS Control Scheme employing IEEE 802.21 in Handover between Direct/Relayed Connections
Naoki Fuke (KDDI), Haruki Izumikawa, Keizo Sugiyama, Yoji Kishi (KDDI Labs)

(17)/NS 15:50 - 16:10
An Efficient Handover Support using Service Area Maps in Heterogeneous Networks
Haruki Izumikawa (KDDI Labs), Naoki Fuke (KDDI), Keizo Sugiyama, Yoji Kishi (KDDI Labs)

(18) 16:10 - 16:50
[Tutorial Invited Lecture]
Infra-less Infrastructure: from the Present to the Future
-- Ad hoc Networks and Sensor Networks View --
Takashi Watanabe, Masaki Bandai (Sizuoka Univ.)

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Fri, Jul 20 AM (09:00 - 10:30)
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(19)/RCS 09:00 - 09:20
User Selection Method for Block Diagonalization in Multiuser MIMO Systems
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota (NTT)

(20)/RCS 09:20 - 09:40
Packet Scheduling Algorithm for Relaying Cellular Networks Utilizing Relay Selection in Consideration of Channel Quality and User Fairness
Rui Zhou (Keio Univ.), Hoang Nam Nguyen (NICT), Iwao Sasase (Keio Univ.)

(21)/RCS 09:40 - 10:00
Cooperative interference cancellation for secondary spectrum usage
Kentaro Nishimori (NTT), Hiroyuki Yomo, Petar Popovski (Aalborg Univ.), Yasushi Takatori (NTT), Ramjee Prasad (AAU), Shuji Kubota (NTT)

(22)/RCS 10:00 - 10:20
Design and Evaluation for Multihop Communication using a Practice Smart Antenna with ZigBee wireless module
Masahiro Watanabe (Mitsubishi Electric Co./ATR), Sadao Obana (ATR), Takashi Watanabe (Shizuoka Univ.)

----- Break ( 10 min. ) -----

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Fri, Jul 20 AM (10:30 - 12:50)
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(23)/RCS 10:30 - 10:50
Reversed Time Slot Configuration in TDD-CDMA Overlay Systems for Enhanced Downlink Throughput
Taketo Ijiri (Keio Univ.), Riaz Esmailzadeh (Carnegie-Mellon Univ.), Masao Nakagawa (Keio Univ.)

(24)/RCS 10:50 - 11:10
An Evaluation of Hidden Node Problem Aware Routing Metrics in WLAN Mesh Networks
Jaturong Sangiamwong, Toshihiro Suzuki, Junichiro Hagiwara (NTT DoCoMo)

(25)/RCS 11:10 - 11:30
Performance Evaluation of Prioritized Transmission Control Scheme for Wide Area Ubiquitous Network
Yoshitaka Shimizu, Fusao Nuno, Kazuji Watanabe (NTT)

(26)/RCS 11:30 - 11:50
Performance Evaluation of Data Transmission Scheme using Random Access for Wide Area Ubiquitous Networks
Fusao Nuno, Yoshitaka Shimizu, Kazuji Watanabe (NTT)

----- Lunch Break ( 60 min. ) -----

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Fri, Jul 20 PM (12:50 - 14:00)
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(27)/NS 12:50 - 13:10
Proposal and Characteristic Evaluation of Reliable SPSM
Sachiko Taniguchi, Koji Sato, Tetsuya Yokotani (Mitsubishi Electric Co.), Miki Yamamoto (Kansai Univ.)

(28)/NS 13:10 - 13:30
Optimization of bearer regulation using a disaster congestion model
Yoshikazu Akinaga, Jun Sasaki, Shigeru Kaneda, Masaru Takahashi, Takeshi Ihara, Kazuo Sugiyama (DoCoMo)

(29)/NS 13:30 - 13:50
Users' Behaviour and Pricing Method for Maximizing Provider's Revenue in VOD Type IP Broadcast Service
Hiroshi Bessho (Waseda Univ.), Kyoko Yamori (Asahi Univ./Waseda Univ.), Yoshiaki Tanaka (Waseda Univ.)

----- Break ( 10 min. ) -----

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Fri, Jul 20 PM (14:00 - 15:30)
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(30)/RCS 14:00 - 14:20
Investigations on Synchronization Channel Sequences for OFDM Based Radio Access in Evolved UTRA Downlink
Satoshi Nagata, Yoshihisa Kishiyama, Motohiro Tanno (NTT DoCoMo, Inc.), Kenichi Higuchi (Tokyo Univ. of Science), Mamoru Sawahashi (Musashi Institute of Tech.)

(31)/RCS 14:20 - 14:40
Transmit Diversity Schemes Suitable for Common Control Channel in Evolved UTRA Downlink
Akihito Morimoto, Hidekazu Taoka, Hiroyuki Kawai (NTT DoCoMo, Inc.), Kenichi Higuchi (Tokyo Univ. of Science), Mamoru Sawahashi (Musashi Institute of Tech.)

(32)/RCS 14:40 - 15:00
Investigation on Reference Signal Structure Suitable for MIMO Channel Transmission Using Precoding in Evolved UTRA Downlink
Hidekazu Taoka, Yoshihisa Kishiyama (NTT DoCoMo, Inc.), Kenichi Higuchi (Tokyo Univ. of Science), Mamoru Sawahashi (Musashi Institute of Tech.)

(33)/RCS 15:00 - 15:20
Non-synchronized random access process of Single Carrier FDMA system
Doohwan Lee, Hiroyuki Morikawa (Univ. of Tokyo)

----- Break ( 10 min. ) -----

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Fri, Jul 20 PM (15:30 - 16:30)
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(34)/NS 15:30 - 15:50
Packet Layer Routing Stability in GMPLS Backbone Network
Yuta Yamaguchi, Kodai Yamamoto, Daisuke Ikegami, Hidenori Nakazato, Hideyoshi Tominaga (Waseda Univ.)

(35)/NS 15:50 - 16:10
Study on modified RED mechanism that reduces RTO occurrences.
Hiroki Doi (CRIEPI), Ryosuke Yokobayashi (Energiacom)

(36)/NS 16:10 - 16:30
Dynamic Session Modification in IMS/MMD Architecture
Naoki Imai, Manabu Isomura, Akira Idoue, Hiroki Horiuchi (KDDI R&D Labs), Tomohiro Ubukata, Yasunobu Chiba, Shintaro Uno (Motorola Japan)

=== Technical Committee on Radio Communication Systems (RCS) ===
# FUTURE SCHEDULE:

Thu, Aug 23, 2007 - Fri, Aug 24, 2007: Niigata University [Sun, Jun 10]
Sep, 2007: Recess
Thu, Oct 18, 2007 - Fri, Oct 19, 2007: Tokyo Uni. of Science, Suwa [Wed, Aug 15]

# SECRETARY:
Eiji Okamoto (Nagoya Inst. Tech.)
Kenichi Higuchi (Tokyo University of Science)
E-mail:r

=== Technical Committee on Network Systems (NS) ===
# FUTURE SCHEDULE:

Thu, Sep 20, 2007 - Fri, Sep 21, 2007: Tohoku University [Tue, Jul 17], Topics: Overlay networks, VPN, DDos, network security, p2p communications, network software, etc.
Thu, Oct 18, 2007 - Fri, Oct 19, 2007: Kikai-Shinko-Kaikan Bldg. [Thu, Aug 9]

# SECRETARY:
E-mail：ns-