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=============================================== Technical Committee on Network Systems (NS) Chair: Iwao Sasase Vice Chair: Kou Miyake Secretary: Shoji Kasahara, Tadashi Itoh Assistant: Hiroyuki Ohnishi =============================================== Technical Committee on Radio Communication Systems (RCS) Chair: Seiichi Sampei Vice Chair: Osamu Kato, Makoto Taromaru, Kazuhiko Fukawa Secretary: Sadayuki Abeta, Lee Assistant: Eiji Okamoto, Hidehiro Matsuoka DATE: Thu, Jul 21, 2005 09:00 - 17:40 Fri, Jul 22, 2005 09:00 - 17:20 PLACE: Tsushima Camplus, Okayama University(1-1, Tsushima-Naka, 3-Chome, Okayama 700-8530 Japan. Prof. Tokumi Yokohira) TOPICS: Mobile Networks, Mobile IP, Wireless Communication, etc. ---------------------------------------- Thu, Jul 21 AM (09:00 - 17:40) ---------------------------------------- (1)/RCS 09:00 - 09:20 Cyclic Approximated Min Algorithm Wataru Matsumoto, Lui Sakai, Hideo Yoshida (Mitsubishi Electric) (2)/RCS 09:20 - 09:40 Construction Method and Mapping Method of LDPC Codes for M-ary QAM Shigeru Uchida, Wataru Matsumoto, Akira Otsuka, Fumio Ishizu (Mitsubishi Electric Corp.) (3)/RCS 09:40 - 10:00 Low Complexity Decoding Algorithm for LDPC Codes and Its Discrete Density Evolution -- Discrete Density Evolution Analysis for δ-Min Decoding Algorithm -- Lui Sakai, Wataru Matsumoto, Hideo Yoshida (Mitsubishi Elec) (4)/RCS 10:00 - 10:20 Throughput performance of MC-CDMA HARQ with adaptive variable spreading factor Shinsuke Takaoka, Fumiyuki Adachi (Tohoku Univ.) ----- Break ( 15 min. ) ----- (5)/RCS 10:35 - 10:55 Space-time block coded transmit/receive diversity using 4 receive antennas for multi-carrier transmissions Hiromichi Tomeba, Kazuaki Takeda, Fumiyuki Adachi (Tohoku Univ.) (6)/RCS 10:55 - 11:15 Mappping in MIMO Systems using Soft-Decision Decoding Satoshi Gounai (TUS), Tomoaki Ohtsuki (Keio), Toshinobu Kaneko (TUS) (7)/RCS 11:15 - 11:35 Maximum Likelihood Detection with Blind Linear Prediction for Mobile Radio Communication Systems with Differential Space-Time Block Code Wanichpakdeedecha Seree, Kazuhiko Fukawa, Hiroshi Suzuki, Satoshi Suyama (Tokyo Inst. of Tech.) (8)/RCS 11:35 - 11:55 Multiple Transposed Channel Matrix QR decompositions based Sphere Detection Algorithm for MLD-SDM/OFDM Chang-Jun Ahn, Hiroshi Harada (NICT) ----- Lunch Break ( 65 min. ) ----- (9)/NS 13:00 - 13:20 A Study of the transmission delay model in application-level multicast communication Yoshinori Nagata, Jun Kawashima, Nobuo Funabiki, Toru Nakanishi (Okayama Univ.) (10)/NS 13:20 - 13:40 A Proposal of a Multihomed Host Selection Algorithm for Application-Level Multicast Communication Hideaki Kato, Jun Kawashima, Nobuo Funabiki, Toru Nakanishi (Okayama Univ) (11)/NS 13:40 - 14:00 A Proposal of A Plural Tree Generation Algorithm for Distance Classes by Application Level Multicast Communication Shun Higashine, Jun Kawashima, Nobuo Funabiki, Toru Nakanishi (Okayama Univ.) (12)/NS 14:00 - 14:20 Design of Ad hoc Multicast Routing Protocol Using Shortest Path Trees Tsutomu Kozaka, Toshihiko Kato, Shuichi Itoh (UEC), Yoshiyori Urano (Waseda Univ.) ----- Break ( 20 min. ) ----- (13)/RCS 14:40 - 15:00 M-ary Multi-Cycle Pulse Transmission for UWB System Yasutaka Morinaga, Koji Ishii, Shigeaki Ogose (Kagawa Univ.) (14)/RCS 15:00 - 15:20 Considerations on How to Extend IP-based Next Generation Mobile Networks (IP2) to a Network that could provide Fixed Telecommunications and IP-VPNs Shoji Miyaguchi (Shibaura Inst. of Tech.) (15)/RCS 15:20 - 15:40 User Mobility and Multimedia Traffic Model in Mobile Radio Communications Yusuke Nakamura, Shigeaki Ogose (Kagawa Univ.) (16)/RCS 15:40 - 16:00 Expansion Effect in Communication Area by Fusing Inter-Vehicle and Road-to-Vehicle Communications with Large-sized Vehicle Relay Yoshiya Ushitani, Masataka Imao, Katsutoshi Tsukamoto, Shozo Komaki (Osaka Univ.) ----- Break ( 20 min. ) ----- (17)/NS 16:20 - 16:40 A Mobile Multicast Routing With Delay Constraint Shoji Yoshimura, Hajime Ueno (Osaka Univ.), Keita Kawano (Okayama Univ.), Kazuhiko Kinoshita, Koso Murakami (Osaka Univ.) (18)/NS 16:40 - 17:00 Dynamic ACK-Splitting Mechanism for TCP for wired/wireless heterogeneous networks Masashi Nakata, Go Hasegawa, Hirotaka Nakano (Osaka Univ.) (19)/NS 17:00 - 17:20 Performance Improvement of TCP using Premature ACK Transmission Shigeyuki Osada, Tokumi Yokohira, Kiyohiko Okayama, Nariyoshi Yamai (Okayama Univ.) (20)/NS 17:20 - 17:40 [Encouragement Talk] Evaluation of the service quality change due to the dynamic policy control with authentication information Seiichi Sakaya, Tetsuya Oh-ishi, Hidefumi Nakamura (NTT) ---------------------------------------- Fri, Jul 22 AM (09:00 - 17:20) ---------------------------------------- (21)/RCS 09:00 - 09:20 IMT-2000 Booster Sytem for Indoorarea Yasushi Ito, Syn Fujimoto, Akira Minakawa, Makoto Kijima (DoCoMo) (22)/RCS 09:20 - 09:40 Probability destribution for voltage instantaneous values of multicarrier communication system Yoshimasa Daido (KIT) (23)/RCS 09:40 - 10:00 Design of Reed-Solomon Code for Clipped OFDM Signals Takahiro Masakawa, Koji Ishibashi, Hideki Ochiai, Ryuji Kohno (YNU) (24)/RCS 10:00 - 10:20 Space-Time Block Coding with Node Erasure Robustness for Sensor Network Koichi Mitani, Koji Ishibashi, Hideki Ochiai, Ryuji Kohno (YNU) ----- Break ( 15 min. ) ----- (25)/NS 10:35 - 10:55 Design of Mobile IPv6 Scheme Providing Mobility for Care-of Address Nobuaki Murai, Toshihiko Kato, Shuichi Itoh (UEC) (26)/NS 10:55 - 11:15 Load Balancing by Scoring for Hierarchical Mobile IPv6 Ken Ito, Akiyoshi Atsumi, Yoshiaki Tanaka (Waseda Univ.) (27)/NS 11:15 - 11:35 A Study of Using Multiple Directional Antennas in Sensor Networks Tomohiko Sakiyama, Masaki Bandai, Takashi Watanabe (Shizuoka Univ.) (28)/NS 11:35 - 11:55 Energy efficiency in Multiple-sink sensor networks Takaaki Suzuki, Masaki Bandai, Takashi Watanabe (Shizuoka Univ) ----- Lunch Break ( 65 min. ) ----- (29)/RCS 13:00 - 13:20 Proposal of IEEE802.11s Layer-2 Mesh Network Architecture Hidenori Aoki (NTT DoCoMo), W. Steven Conner (Intel), Koji Omae, Yoichi Matsumoto (NTT DoCoMo) (30)/RCS 13:20 - 13:40 Performance Evaluation of Layer-2 Mesh Networks -- Technical Challenge Clarification on Conventional IEEE802.11 Standard Technology -- Koji Omae, Hidenori Aoki, Yoichi Matsumoto (NTT DoCoMo) (31)/RCS 13:40 - 14:00 Multi-Interface Oriented Radio Metric On-Demand Routing Protocol for Layer-2 Mesh Networks Shinji Takeda, Kengo Yagyu, Hidenori Aoki, Yoichi Matsumoto (NTT DoCoMo) (32)/RCS 14:00 - 14:20 Experimental Evaluation of Adaptive Contention Window Control for Layer-2 Mesh Networks Akira Yamada, Atsushi Fujiwara, Yoichi Matsumoto (NTT DoCoMo) ----- Break ( 10 min. ) ----- (33)/RCS 14:30 - 14:50 EDCA Parameter Optimization for Throughput Improvement in Layer-2 Mesh Networks Atsushi Fujiwara, Akira Yamada, Yoichi Matsumoto (NTT DoCoMo) (34)/RCS 14:50 - 15:10 Topology and Traffic Aware Channel Assignment for Layer-2 Mesh Networks Kengo Yagyu, Atsushi Fujiwara, Shinji Takeda, Koji Omae, Hidenori Aoki, Yoichi Matsumoto (NTT DoCoMo) (35)/RCS 15:10 - 15:30 Field Test Measurement on 5GHz Band Wireless LAN under Outdoor Mobile Environment Akihiro Yasuda, Shigeaki Ogose (Kagawa Univ.) (36)/RCS 15:30 - 15:50 A Method of Load distribution Algorithm in Quarantine Network Hirotada Honda (Keio Univ.) ----- Break ( 10 min. ) ----- (37)/NS 16:00 - 16:20 An improvement of an access-point location algorithm for wireless LAN Yohei Nomura, Nobuo Funabiki, Toru Nakanishi (Okayama Univ.) (38)/NS 16:20 - 16:40 An Application of the Link Scheduling Algorithm to Communications among Access Points for WDS in Wireless LANs Shigeto Tajima (Osaka Univ.), Nobuo Funabiki (Okayama Univ.), Teruo Higashino (Osaka Univ.) (39)/NS 16:40 - 17:00 Proportional QoS Control Method in IEEE 802.11e Wireless LAN Yosuke Tanigawa, Jong-Ok Kim, Hideki Tode, Koso Murakami (Osaka Univ.) (40)/NS 17:00 - 17:20 A proposal of a load-balanced hierarchical topology construction method for multihop WDM networks Tomoya Kitani (Osaka Univ.), Nobuo Funabiki (Okayama Univ.), Teruo Higashino (Osaka Univ.) # Information for speakers General Talk (20) will have 15 minutes for presentation and 5 minutes for discussion. Encouragement Talk (20) will have 15 minutes for presentation and 5 minutes for discussion. === Technical Committee on Network Systems (NS) === # FUTURE SCHEDULE: Thu, Sep 15, 2005 - Fri, Sep 16, 2005: Tohoku Univ. [Thu, Jul 21], Topics: Active Network, IP-VPN, Network Security, High Speed Network, P2P Communication, Network Software, and Others Thu, Oct 20, 2005 - Fri, Oct 21, 2005: [Thu, Aug 18] # SECRETARY: E-mail：ns-  c   at   Hiroyuki Ohnishi(NTT) TEL0422-59-4132,FAX0422-59-5631 E-mail:oh           Tadashi Itoh(NTT) TEL0422-59-3063,FAX0422-59-5631 E-mail:i  h === Technical Committee on Radio Communication Systems (RCS) === # FUTURE SCHEDULE: Thu, Aug 25, 2005 - Fri, Aug 26, 2005: Tokyo Inst. Tech. [Mon, Jun 20], Topics: Broadband Wireless Access, Radio communication Sep, 2005: Recess Thu, Oct 20, 2005 - Fri, Oct 21, 2005: Akita Prefectural Univ. [Wed, Aug 10], Topics: Adaptive Antenna, MIMO, RF Signal Processing etc. # SECRETARY: Sadayuki Abeta (NTT DoCoMo inc.) 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