Kawanishi's publications

Y. Osuga, K. Kawanishi: A method for improving fairness of QUIC flows in wireless LAN: IPSJ Journal, vol. 66, no. 10, pp. 1385-1398 (2025),  https://ipsj.ixsq.nii.ac.jp/records/2004555
大須賀 好紀, 河西 憲一: 無線LANにおけるQUICフロー間の公平性改善手法, 情報処理学会論文誌, 第66巻第10号, pp. 1385-1398 (2025).

K. Kawanishi and Y. Ino: Upper and lower bounds of performance metrics in hybrid systems with setup time, Mathematics, vol. 13, no. 16, 2685 (2025), doi: 10.3390/math13162685

M. Sato, K. Kawamura, K. Kawanishi, and T. Phung-Duc: Modeling and performance analysis of hybrid systems by queues with setup time, Performance Evaluation, vol. 162, article 102366 (2023), doi: 10.1016/j.peva.2023.102366

T. Phung-Duc, K. Akutsu, K. Kawanishi, O. Salameh, and S. Wittevrongel: Queueing models for cognitive wireless networks with sensing time of secondary users, Annals of Operations Research, vol. 310, no. 2, pp. 641-660 (2022), doi: 10.1007/s10479-021-04118-9

T. Phung-Duc and K. Kawanishi: Delay performance of data-center queue with setup policy and abandonment, Annals of Operations Research, vol. 293, no. 1, pp. 269-293 (2020), doi: 10.1007/s10479-019-03268-1

K. Kawanishi and T. Takine: The M/PH/1+D queue with Markov-renewal service interruptions and its application to delayed mobile data offloading, Performance Evaluation, vol. 134, article 102002 (2019), doi: 10.1016/j.peva.2019.102002

T. Phung-Duc and K. Kawanishi: Multiserver retrial queue with setup time and its application to data centers, Journal of Industrial and Management Optimization, vol. 15, no. 1, pp. 15-35 (2019), doi: 10.3934/jimo.2018030

K. Kawanishi and T. Takine: MAP/M/c and M/PH/c queues with constant impatience times, Queueing Systems, vol. 82, no. 3, pp. 381-420 (2016), doi: 10.1007/s11134-015-9455-9

K. Kawanishi and T. Takine: A note on the virtual waiting time in the stationary PH/M/c+D queue, Journal of Applied Probability, vol. 52, no. 3, pp. 899-903 (2015), http://www.jstor.org/stable/43860893

T. Phung-Duc and K. Kawanishi: Performance analysis of call centers with abandonment, retrial and after-call work, Performance Evaluation, vol. 80, pp. 43-62 (2014), doi: 10.1016/j.peva.2014.03.001

T. Phung-Duc and K. Kawanishi: An efficient method for performance analysis of blended call centers with redial, Asia-Pacific Journal of Operational Research, vol. 31, no. 2, 1440008 (2014), doi: 10.1142/S0217595914400089 

T. Phung-Duc and K. Kawanishi: Multiserver retrial queues with after-call work, Numerical Algebra, Control and Optimization, vol. 1, no. 4, pp. 639-656 (2011), doi: 10.3934/naco.2011.1.639 

Y. Sakuma, A. Inoie, K. Kawanishi, and M. Miyazawa: Tail asymptotics for waiting time distribution of an M/M/s queue with general impatient time, Journal of Industrial and Management Optimization, vol. 7, no. 3, pp. 593-606 (2011), doi: 10.3934/jimo.2011.7.593 

B. Han and K. Kawanishi: Conditionally randomized channel selection algorithm for multi-channel MAC protocol in ad hoc networks, IEICE Transactions on Communications, vol. E94-B, no. 4, pp. 940-950 (2011), doi: 10.1587/transcom.E94.B.940 

L. Wang and K. Kawanishi: Performance of MPEG-4 transmission over SCTP multi-streaming in wireless networks, IEICE Transactions on Communications, vol. E93-B, no. 9, pp. 2336-2347 (2010), doi: 10.1587/transcom.e93.b.2336 

K. Kawanishi: QBD approximations of a call center queueing model with general patience distribution, Computers & Operations Research, vol. 35, no. 8, pp. 2463-2481 (2008), doi: 10.1016/j.cor.2006.12.002 

R. Assarut, K. Kawanishi, U. Yamamoto, and Y. Onozato: Region Division Assignment: A new OVSF code reservation and assignment scheme for downlink capacity in W-CDMA systems, Wireless Networks, vol. 12, pp. 357-368 (2006), doi: 10.1007/s11276-005-5279-6 

K. Kawanishi: On waiting time distribution of a queueing system with post-service activity, Computers and Mathematics with Applications, vol. 51, no. 2, pp. 209-218 (2006).

K. Kawanishi: On the counting process for a class of Markovian arrival processes with an application to a queueing system, Queueing Systems, vol. 49, no. 2, pp. 93-122 (2005), doi: 10.1016/j.camwa.2005.11.021 

S. Kobayashi, M. Ishii, Y. Onozato, and K. Kawanishi: Location management of mobile agents based on their behavior: IPSJ Journal, vol. 46, no. 2, pp. 506-516 (2005),  http://id.nii.ac.jp/1001/00010708/
小林 晋輔, 石井 雅将, 小野里 好邦, 河西 憲一: モバイルエージェントの動きを利用した位置管理, 情報処理学会論文誌, 第46巻第2号, pp. 506-516 (2005).

K. Kawanishi: A closed-form solution on a level-dependent Markovian arrival process with queueing application, Calcolo, vol. 41, no. 3, pp. 153-175 (2004), doi: 10.1007/s10092-004-0089-2 

T. Arakawa, K. Kawanishi, and Y. Onozato: Cost reduction for highly mobile users with commonly visited sites, IEICE Transactions on Fundamentals, vol. E87-A, no. 7, pp. 1700-1711 (2004), https://cir.nii.ac.jp/crid/1571698602417878400 

R. S. Deshpande, K. Kawanishi, Y. Onozato, and P. D. Vyavahare, Centralized flow control scheme for rate-based networks, IETE Journal of Research, vol. 50, no. 4, July-August, pp. 245-256 (2004), doi: 10.1080/03772063.2004.11665513 

K. Kawanishi and Y. Takahashi: Performance analysis of a server for facsimile communication networks, Probability in the Engineering and Informational Sciences, vol. 15, no. 3, pp. 295-310 (2001), doi:10.1017/S0269964801153015 

K. Kawanishi, Y. Takahashi, and T. Takenaka: Trunk reservation effects on multi-server system with batch arrivals of loss and delay customers, IEICE Transactions on Communications, vol. E83-B, no. 1, pp. 20-29 (2000), https://cir.nii.ac.jp/crid/1572261552372513152 

K. Kawanishi, Y. Takahashi, and T. Takenaka: Traffic measurement system with trap and polling methods and its performance, IEICE Transactions on Communications, vol. E82-B, no. 10, pp. 1557-1565 (1999), https://ndlsearch.ndl.go.jp/books/R100000136-I1573387452278662400 

K. Kawanishi, Y. Takahashi, and T. Takenaka: Throughput analysis of a server with heterogeneous inputs for facsimile communication networks, IEICE Transactions on Communications, vol. E81-B, no. 10, pp. 1850-1858 (1998), link 

S. Mori, K. Kawanishi, and M. Wadati: Dilute and semi-dilute solutions of randomly polymerized membranes, Journal of the Physical Society of Japan, vol. 64, no. 1, pp. 64-77 (1995), doi: 10.1143/jpsj.64.64 

K. Kawanishi, S. Mori, and M. Wadati: Crumpling transition of self-avoiding tethered membranes caused by screening, Physics Letters A,  vol. 190, pp. 434-446 (1994), doi: 10.1016/0375-9601(94)90730-7 

Y. Hayakawa, T. Ishihara, K. Kawanishi, and T. S. Kobayakawa: Phase-ordering kinetics in nonconserved scalar systems with long-range interactions, Physical Review E, vol. 48, no. 6, pp. 4257-4262 (1993), doi: 10.1103/PhysRevE.48.4257 

K. Iwasaki and K. Kawanishi: Fairness revisited: uplink/downlink of coexisting QUIC and TCP flows in wireless LANs, International Conference on Emerging Technologies on Communications, ICETC 2025, P2-15, Osaka, Japan, November 26-28 2025.

K. Tomaru and K. Kawanishi: Performance analysis of hybrid systems with setup and delayed-off policy, The 11th Asia-Pacific International Symposium on Advanced Reliability and Maintenance Modeling, APARM 2024, Paper No. 20, Nagoya, Japan, August 26-30 2024.

M. Sato, K. Kawamura, K. Kawanishi, and T. Phung-Duc: Performance models of NFV-based hybrid systems for delay-sensitive services, ASMTA 2021, Virtual Event, Tsukuba, Japan, LNCS 13104, pp. 181-196, 13-14 December, 2021. doi: 10.1007/978-3-030-91825-5_11 

T. Phung-Duc and K. Kawanishi: Delay performance of data center queue with staggered setup policy and abandonment, 13th International Conference on Queueing Theory and Network Applications 2018, Tsukuba, Japan, Proceedings of QTNA 2018, short paper, pp. 34-38, July 25-27, 2018.

S. Ishikawa and K. Kawanishi: On algorithms for computing stochastic bounds of Markov chains with irreducibility and lumpability, 12th International Conference on Queueing Theory and Network Applications 2017, Yanshan University, Qinhuangdao, China, Proceedings of QTNA 2017, short paper, pp. 95-98, August 21-23, 2017.

T. Phung-Duc and K. Kawanishi: Impacts of retrials on power-saving policy in data centers, 11th International Conference on Queueing Theory and Network Applications 2016, Article No. 22, Wellington, New Zealand, December 13-15, 2016. doi: 10.1145/3016032.3016047

T. Phung-Duc and K. Kawanishi: Energy-aware data centers with s-staggered setup and abandonment, ASMTA 2016, Cardiff, Wales, UK, LNCS 9845, pp. 269-283, 24-26 August, 2016. doi: 10.1007/978-3-319-43904-4_19 

B. Han and K. Kawanishi: Using game theory to investigate stochastic channel selection for multi-channel MAC protocol, The 13th International Conference on Communication Systems IEEE ICCS, Singapore, pp. 172-176, November 21-23, 2012. doi: 10.1109/ICCS.2012.6406132 

L. Wang and K. Kawanishi: Consideration of SCTP selective retransmission under the endpoints time non-synchronization, The 2nd International Symposium on Aware Computing (ISAC 2010), Tainan, Taiwan, pp. 326-331,  November 1-4, 2010. doi: 10.1109/ISAC.2010.5671370 

L. Wang, K. Kawanishi, and Y. Onozato: Achieving robust fairness of SCTP extension for MPEG-4 streaming, The 20th Personal, Indoor and Mobile Radio Communications Symposium 2009 (PIMRC '09), Tokyo, Japan, pp. 2970-2974, September 13-16, 2009. doi: 10.1109/PIMRC.2009.5450179 

B. Han, K. Kawanishi, and Y. Onozato: Congestion window limit multi-channel MAC protocol: Employing random channel selection strategy for multi-hop ad hoc networks, The 12th International Symposium on Wireless Personal Multimedia Communications (WPMC'09), Hotel Metropolitan Sendai, Japan, S40-2, September 7-10, 2009.

B. Han, K. Kawanishi, and Y. Onozato: An alleviate bottleneck multi-channel MAC  protocol for ad-hoc networks, 4th International Student Conference at Ibaraki University (ISCIU4), Mito, Japan, pp. 172-177, November 1-2, 2008.

L. Wang, K. Kawanishi, and Y. Onozato: MPEG-4 optimal transmission over SCTP multi-streaming in 802.11 wireless access media, 7th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT 2008), Bandos Island, Maldives, pp. 226-231, April, 2008. doi: 10.1109/APSITT.2008.4653560 

L. Wang, K. Kawanishi, and Y. Onozato: Simulation-based optimization on MPEG-4 over SCTP multi-streaming with differentiated retransmission policy in lossy link, 2007 IEEE Asia-Pacific Services Computing Conference (IEEE APSCC 2007), Tsukuba, Japan, pp. 164-171, December 11-14, 2007. doi: 10.1109/APSCC.2007.63 

Y. Sekine, K. Kawanishi, U. Yamamoto, and Y. Onozato: Hybrid OVSF code assignment scheme in W-CDMA, 2003 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM'03), Victoria, BC, Canada, pp. 384-387, August 28-30, 2003. doi: 10.1109/PACRIM.2003.1235797 

M. Inoue, L. Yishu, K. Kawanishi, and Y. Onozato: Location-velocity mobility model for wireless networks, 5th Asia-Pacific Symposium on Information and Telecommunication Technologies (APSITT2003), Noumea, New Caledonia, pp. 105-110, November 25-26, 2003.

K. Kawanishi: Waiting Time Distribution of a Queueing System with Post-Service Activity, The Second Euro-Japanese Workshop on Stochastic Risk Modelling for Finance, Insurance, Production and Reliability, Chamonix, France, pp. 213-222, September 18-20, 2002.

T. Arakawa, K. Kawanishi, Y. Onozato, and R. Deshpande: Cost analysis of a location management strategy with commonly visited sites in PCS networks, The 5th International Symposium on Wireless Personal Multimedia Communications (WPMC'02), Sheraton Waikiki, Honolulu, Hawaii, pp. 1395-1399, October 27-30, 2002. doi: 10.1109/WPMC.2002.1088409 

S. Thipchaksurat, K. Kawanishi, U. Yamamoto, and Y. Onozato: Impact of mobility on blocking in one-dimensional cellular networks with new call channel limiting scheme, IEEE Global Telecommunications Conference (GLOBECOM2002), Taipei, Taiwan, GEN-02-3 Mobility and Session Management (II) (CD-ROM), November 17-21, 2002. doi: 10.1109/GLOCOM.2002.1188480 

R. Assarut, K. Kawanishi, R. Deshpande, U. Yamamoto, and Y. Onozato: Performance evaluation of orthogonal variable-spreading-factor code assignment schemes in W-CDMA, 2002 IEEE International Conference on Communications (ICC2002), New York, NY U.S.A., pp. 3050-3054, 28 April-2 May, 2002. doi: 10.1109/ICC.2002.997399 

R. Assarut, K. Kawanishi, U. Yamamoto, and Y. Onozato: Performance evaluation of orthogonal variable-spreading-factor code assignment schemes based on UMTS/IMT-2000 in W-CDMA, 2002 IEEE 56th Vehicular Technology Conference (VTC2002-Fall), Vancouver, British Columbia, Canada , Session66:GDS/UMTS/EDGE6, No.1 (CD-ROM), September 24-28, 2002. doi: 10.1109/VETECF.2002.1040483 

K. Kawanishi and Y. Takahashi: A functional relationship related to busy period analysis of BMAP/GI/1 queueing systems, PerETTA 2000, Aizu-Wakamatsu, Japan, September 21-22, 2000, Proceedings of International Conference on Performance Evaluation: Theory, Technologies and Applications, pp. 58-63.

Y. Takahashi and K. Kawanishi: A diffusion approximation for branching Poisson process input queueing systems, Proceedings of the Second Asia-Pacific Conference on Industrial Engineering and Management Systems, pp. 87-92, Kanazawa, Japan, October 30-31, 1999.

K. Kawanishi and Y. Takahashi: Call admission control in store-and-forward network systems, Proceedings of the First Western Pacific/Third Australia-Japan Workshop on Stochastic Models in Engineering, Technology and Management}, pp. 259-268, Christchurch, New Zealand, September 23-25, 1999.

K. Kawanishi, Y. Takahashi, and T. Takenaka: Analysis of a mixed event-driven and periodic measurement method for workload process, Proceedings of the 11th ITC Specialist Seminar, pp. 104-111, Yokohama, Japan, October 27-29, 1998.

K. Kawanishi and Y. Takahashi: Throughput analysis of a server for facsimile communication networks, PMCCN '97 Workshop 3, Tsukuba, Japan, November 21, 1997, pp. 66-76.

河西憲一: 無線LANに関する待ち行列モデルにおける地図情報の活用, 電子情報通信学会誌, vol. 108, no. 3, pp. 229-235 (2025).

神田 晃宏, 河西 憲一: モバイルデータオフロードにおけるWi-Fiアクセスポイントの配置アルゴリズム, 電子情報通信学会技術研究報告, NS2023-155, pp. 169-174 (2023).

大須賀 好紀, 河西 憲一: 無線LANにおけるQUICフロー間の不公平性改善手法の提案と評価, 電子情報通信学会技術研究報告, NS2022-186, pp. 113-118 (2023).

牛垣 龍一, フンドック トゥアン, 河西 憲一, Yuan-Cheng Lai, Ying-Dar Lin: フロー到着とクロストラフィックを考慮したSDN の待ち行列モデルとその解析, 日本オペレーションズ・リサーチ学会誌, vol. 63, no. 8, pp. 480-486 (2018).

河西憲一: 状態依存形の待ち行列モデルとサービスシステムへの応用, 電子情報通信学会誌, vol. 100, no. 4, pp. 253-258 (2017).

河西憲一: 行列解析法によるコールセンターのモデル化, 日本オペレーションズ・リサーチ学会誌, vol. 59, no. 4, pp. 185-190 (2014).

韓 斌, 河西 憲一: A smart channel selection strategy for multi-rate multi-channel MAC protocol, 情報処理学会研究報告モバイルコンピューティングとユビキタス通信（MBL）, 2010-MBL-55(14),1-8 (2010-08-26) (2010).

河西憲一: 待ち行列理論の応用：コールセンターを例に, 日本オペレーションズ・リサーチ学会誌, vol. 54, no. 12, pp. 744-748 (2009).

王 理, 河西憲一, 小野里好邦: SCTPマルチストリーミングによるMPEG4データの最適伝送に関する検討, 日本シミュレーション学会技術研究報告JSST-MM2007, pp. 1-6, 多次元移動情報通信網研究会, 2007年10月25日, 10月26日, NTTドコモ R & Dセンタ(2007).

R. Nakanishi, M. Ishii, S. Kobayashi, Y. Onozato, K. Kawanishi: An effect of migration log losses on the searching costs for mobile agents, 2005 Hawaii.
IEICE and SITA Joint Conference on Information Theory, May 25-27, Hawaii, USA, IT2005-12, pp. 67-71, (2005).

河西 憲一: ２状態マルコフ型到着過程の重畳における階乗モーメントの表現について, 電子情報通信学会技術研究報告, IN2004-16, pp. 31-36 (2004).

荒川 貴明, 河西 憲一, 小野里 好邦: 移動体通信におけるユーザの移動パターンを考慮した位置登録管理方式の性能評価, 電子情報通信学会技術研究報告, IN2002-31, pp.55-60 (2002).

河西 憲一, 高橋 敬隆: 同報通信サーバの性能評価法, 電子情報通信学会技術研究報告, IN2000-46, pp. 25-32 (2000).

河西 憲一, 高橋 敬隆: 集団到着を扱う交換システムの流体モデルによる性能評価法, 電子情報通信学会技術研究報告, SSE2000-8, pp. 1-6 (2000).

河西 憲一, 高橋 敬隆: イベント駆動と周期駆動を併用した測定方式における最適パラメータについて, 電子情報通信学会技術研究報告, IN99-27, pp. 57-64 (1999).

高橋 敬隆, 河西 憲一: 分岐ポアソン過程入力のある待ち行列システムの拡散近似解析, 電子情報通信学会技術研究報告, IN99-26, pp. 49-56 (1999).

河西 憲一, 高橋 敬隆, 竹中 豊文: トラップとポーリングを併用したトラヒック測定方式, 電子情報通信学会技術研究報告, IN98-156, pp. 1-6 (1999).

川島 幸之助 監修, 塩田 茂雄・河西 憲一・豊泉 洋・会田 雅樹 著: 待ち行列理論の基礎と応用, 共立出版 (2014).

茨木俊秀, 片山 徹, 藤重 悟 (監修), 河西憲一（分担執筆）: 数理工学事典, 朝倉書店 (2011).