Recent Publications

Refereed Journals

Application-aware QoS routing in SDNs using machine learning techniques, Springer, Peer-to-Peer Networking and Applications, 20 pages (November 2021).

Reliability-aware VNF placement using a probability-based approach, IEEE Trans. Network and Service Management, Accepted for publication (June 2021).

Analysis of Wavelength Deployment Schemes in Terms of ONUs Cost and Upstream Transmission Performance in NG-EPONs, OSA/IEEE J. Optical Communications and Networking, Vol. 13, No. 9, pp. 214-223 (July 2021).

Hierarchical Routing and Resource Assignment in Spatial Channel Networks (SCNs): Oriented Toward the Massive SDM Era, IEEE/OSA J. Lightwave Technology, Vol. 39, No. 5, pp. 1255-1270, (March 2021).

Comparison of switching policies in terms of switching cost and network performance in static SDM-EONs, Optical Switching and Networking, Vol. 38, No. 100573, 9 pages (May 2020).

Evaluation of Device Cost, Power Consumption and Network Performance in Spatially and Spectrally Flexible SDM Optical Networks, IEEE/OSA J. Lightwave Technology, Vol. 37, No. 20, pp. 5259-5272, (October 2019).

Joint Computation Offloading and Bandwidth Assignment in Cloud-Assisted Edge Computing, IEEE Trans. Cloud Computing, Vol. xx, No. xx, pp. xxx-xxx, (Accepted for publication, October 2019).

Evaluation of Device Cost, Power Consumption and Network Performance in Spatially and Spectrally Flexible SDM Optical Networks, IEEE/OSA J. Lightwave Technology, Vol. 37, No. 20, pp. 5259-5272, (October 2019).

Efficient Resource Assignment in Mobile Edge Computing: A Dynamic Congestion-Aware Offloading Approach, Elsevier J. Network and Computer Applications, Vol. 134, pp. 40-51 (February 2019).

Joint Assignment of Spatial Granularity Routing, Modulation, and Spectrum in SDM-EONs: Minimizing the Network CAPEX Considering Spectrum, WSS, and Laser Resources, IEEE/OSA J. Lightwave Technology, Vol. 36, No. 18, pp. 4153-4166, (September 2018).

Routing, Modulation Level, Spectrum and Transceiver Assignment in Elastic Optical Networks, IEICE Trans. Communications, Vol. E101-B, No.5, pp. 1197-1209 (May 2018).

Routing, Spectrum and Core Assignment in SDM-EONs with MCF: Novel Node-arc ILP/MILP Methods and an Efficient XT-aware Heuristic Algorithm, OSA/IEEE J. Optical Communications and Networking, Vol. 10, No.3, pp. 195-208 (March 2018).

Efficient Data Replica Placement for Sensor Clouds, IET Communications, Vol. 10, No.16, pp. 2162-2169 (November 2016)..

Cooperative Data Caching for Cloud Data Servers, EAI Transactions on Scalable Information Systems, Vol. 3, No. 8, 7 pages, (August 2016).

Big Video Data for Light-Field-Based 3D Telemedicine, IEEE Network, Vol. 30, No. 3, pp. 30-38 (May 2016).

EAF: Energy-aware Adaptive Free Viewpoint Video Wireless Transmission, Elsevier Journal of Network and Computer Applications , Vol. 45, No. 12,pp. 384-394 (December 2014).

Flow-balanced routing for multi-hop clustered wireless sensor networks , Ad Hoc Networks Journal, Vol. 11, No. 1, pp. 541-554 (January 2013).

Data Management for Large-scale Position-tracking Systems, IEICE Trans. Communications, Vol. E94-B, No. 1, pp. 45-54 (Jan. 2011).

Secure and Efficient Data Transmission in RFID Sensor Networks, Int. J. Security and Networks, Vol. 5, Nos. 2/3, pp. 119-127, (March, 2010).

Fair bandwidth allocation in optical burst switching networks, IEEE/OSA J. of Lightwave Technology (JLT), Vol. 27, No. 16, pp. 3370-3380 (August 2009).

Blocking probability of a preemption-based bandwidth-allocation scheme for service differentiation in OBS network, IEEE/OSA J. of Lightwave Technology (JLT), Vol. 24, No. 8, pp. 2986-2997, (August 2006).

Reconfiguration heuristics for logical topologies in wide-area WDM networks, IEICE Trans. on Communications, Vol. E89-B, No. 7, pp. 1994-2001, (July 2006).

Traffic-based reconfiguration for logical topologies in large-scale WDM optical networks, IEEE/OSA J. of Lightwave Technology (JLT), Vol. 23, No. 10, pp. 2854-2867, (October 2005).

Evaluation of website usability using markov chains and latent semantic analysis, IEICE Trans. Communications, Vol. E88-B, No. 4, pp. 1467-1475 (Apr. 2005).

Optimal multicast routing using genetic algorithm for WDM optical networks, IEICE Trans. Communications, Vol. E88-B, No. 1, pp. 219-226, (Jan. 2005).

Refereed Proceedings

Evaluation of Network CAPEX and Performance in SDM Optical Networks, Proc. IEEE 24th OptoElectronics and Communications Conf./Int. Conf. Photonics in Switching and Computing (OECC/PSC 2019), 3 pages, Fukuoka, Japan (July 2019).

Computation Offloading over a Shared Communication Channel for Mobile Cloud Computing, Proc. IEEE Wireless Communications and Networking Conference (WCNC2018), 6 pages, Barcelona, Spain (April 2018).

An Efficient Dynamic Offloading Approach based on Optimization Technique for Mobile Edge Computing , Proc. IEEE Int. Conf. Mobile Cloud Comput., Services, and Eng. (MobileCloud2018), 7 pages, Bamberg, Germany (Mar. 2018).

Application Offloading based on R-OSGi in Mobile Cloud Computing, Proc. IEEE Int. Conf. Mobile Cloud Comput., Services, and Eng. (MobileCloud2016), 7 pages, Oxford, UK (Mar. 2016).

An Efficient Distributed TDMA MAC Protocol for Large-Scale and High-Data-Rate Wireless Sensor Networks, Proc. IEEE Int. Conf. Advanced Information Networking and Applications (AINA-2015), pp. 84-91, Gwangju, Korea (Mar. 2015).

Efficient Computation Offloading Strategy for Mobile Cloud Computing, Proc. IEEE Int. Conf. Advanced Information Networking and Applications (AINA-2015), pp. 626-633, Gwangju, Korea (Mar. 2015).

Adaptive Energy-aware Free Viewpoint Video Transmission over Wireless Networks, Proc. IEEE Int. Conf. Computing, Networking and Communications (ICCNC2014), 6 pages, Honolulu, Hawaii (Feb. 2014).

Error-Resilient Multi-view Video Coding for Next Generation 3-D Vidoe Broadcasting, Proc. IEEE Int. Conf. ICT Convergence 2013 (ICTC 2013), 6 pages, Jeju Island, Korea (Oct. 2013).

Analysis and Visualization of Inpatient Flow at the University of Tsukuba Hospital, Proc. 2013 Frontiers in Service Conf., 01-103, 1 page, Taipei, Taiwan (Jul. 2013).

Hierarchical Flow Balancing Protocol for Data Aggregation in Wireless Sensor Networks, Proc. IEEE Computers, Communications and IT Applications Conf. (ComComAp 2012), 6 pages, Hong Kong (Jan. 2012).

Privacy Preserving on Radio Frequency Identification Systems, Proc. IEEE 13th Int. Conf. CSCW in Design (CSCWD2009), Santiago, Chile, (Apr. 2009).

Preemption Scheme for Providing Rate Fairness in Optical Burst Switching Networks, Proc. Int. Conf. High Performance Switching and Routing 2008 (HPSR2008), Shanghai, China, pp. 39-44 (May 2008).

Fairness Improvement and Efficient Rerouting in Mobile Ad Hoc Networks, Proc. IEEE Int. Conference on Communications (ICC 2007), Glasgow, Scotland, (June 2007).

A New Energy Efficient Approach by Separating Data Collection and Data Report in Wireless Sensor Networks, Proc. 2006 International Wireless Communications and Mobile Computing Conference (IWCMC 2006), Vancouver, Canada (July 2006).

Performance Analysis of Differentiated ARQ Scheme for Video Transmission over Wireless Networks, ACM Workshop on Wireless Multimedia Net. & Perf. Modeling (WMuNeP'05), Montreal, Canada, pp. 1-7, (October 2005).

Bandwidth allocation with dynamic wavelength allocation for service differentiation in optical burst switched networks, Proc. Int. Conf. Optical Internet, Chongqing, China, pp. 302-307, June 2005.

Traffic-based reconfiguration for logical topologies in large-scale WDM optical networks, Proc. IFIP/IEEE Int. Conf. Optical Network Design and Modelling, Milano, Italy, pp. 93-103 (February 2005).

Book

Optimal load balancing in distributed computer systems (with H.Kameda, J. Li and C.Kim), Springer-Verlag, London, 1997.

Technical Reports

Traffic-based reconfiguration for logical topologies in large-scale WDM optical networks, Discussion Paper No. 1099, Institute of Policy and Planning Sciences, University of Tsukuba (Nov. 2004).

Optimal multicast routing using genetic algorithm for WDM optical networks, Discussion Paper No. 1073, Institute of Policy and Planning Sciences, University of Tsukuba (Jan. 2004).

Other Publications

大曽根タクシーにおけるGPS配車データ分析と効率的な配車方法の提案、オペレーションズ・リサーチ学会2016年春季研究発表会、2ページ、東京 (2016年3月17-18日)

地理情報技術を用いた糖尿病患者通院先決定に関する研究、オペレーションズ・リサーチ学会2015年春季研究発表会、2ページ、東京 (2015年3月26-27日)

Distributed TDMA MAC Protocol with Spatial Reuse for Wireless Sensor Networks, Tsukuba Global Science Week 2014, p. 118, Tsukuba, (September 26-27, 2014). (Young Scientist Award)

Optimal Data Cache Allocation for Mobile Devices in Sensor-Cloud, IPSJ SIG Technical Report, Vol. 2013-MBL-69, No. 13, 8 pages (Dec. 2013). （優秀発表賞）

移動端末からクラウドサービスを利用するためのプロキシサーバ構築に関する研究, 情報処理学会研究報告, Vol. 2013-MBL-69, No. 13, 6 pages (2013年12月).

社会人・学生協働型研修の提案　〜筑波大学「サービスカイゼン研修コース」の取り組み〜、平成２５年度工学教育研究講演会、2013年8月.

Energy-aware Multi-view Video Streaming over Wireless Networks, IEICE Technical Report, CQ2013-3, pp. 13-18 (April 2013).

サービスカイゼン研修のカイゼン：筑波大学公開講座の事例より、日本経営工学会平成23年度秋季研究大会、平成23年11月.

GPSタクシー配車履歴データの可視化およびその分析 （共著：宮原直紀、繁野麻衣子、塚本一也）、情報処理学会情報システムと社会環境研究発表会、 ６ページ、2012年3月.

無線LANおよびRFIDを統合した位置検知システム (共著：井上文暁), 情報処理学会マルチメディア,分散，協調とモバイルシンポジウム (DICOMO2007)， 6ページ, 2007年7月.

無線LANを利用したインターネット上での位置情報システム (共著：太田大輔), 情報処理学会マルチメディア,分散，協調とモバイルシンポジウム (DICOMO2005)，pp. 620-624, 2005年7月．

無線アドホックネットワークにおける効率的な経路探索法 (共著：今崎泰浩), 情報処理学会システム評価研究会，2005年6月．