Email: ashtianimt@sharif.edu
Tel.: 6616-5924
Address: No. 607, Dept. of Electrical Eng., Sharif University of Technology, Azadi Ave., Tehran, Iran
Academic Experiences
· Assistant Professor at Sharif University of Technology, Department of Electrical Engineering, From 2003 to 2011.
· Associate Professor at Sharif University of Technology, Department of Electrical Engineering, Since 2011.
Teaching Courses
· Probability and Statistics
· Digital Communications
· Signals and Systems
· Theory of Electrical Circuits
· Queueing Theory (graduate course)
· Digital Communications Lab.
Professional Experiences
· Membership at Advanced Communications Research Institute (ACRI), http://acri.sharif.ir
· Membership at Signal Processing & Multimedia Research Group at ITRC (Iranian Telecommunication Research Center)
· Membership at Advanced Communications Research Lab. at ITRC
· Membership at Mobile Communication Study Group at ITRC
· Project Executive at NRI (Niroo Research Institute)
· Project Executive at MATN (Power Research Center)
Fields of Interest
Ř Analysis of Stable Throughput and Delay for Wireless Communication Networks
Ř Analytical Modeling of Cellular Networks, MANETs, VANETs, WMNs, Cognitive Networks, etc.
Ř Traffic Analysis of CDMA and OFDMA Mobile Communication Networks
Ř Queueing-based Analysis of Ad-Hoc and Mobile Communication Systems
Ř Cross-Layer Design of Wireless Communication Links
Ř Multimedia Traffic Modeling
Ř Mobility Modeling
Publications
Journal Papers:
[1] F. Ashtiani, J. A. Salehi, and M. R. Aref, “A flexible dynamic traffic model for reverse link CDMA cellular networks,” IEEE Transaction on Wireless Commun., vol. 1, no. 3, pp. 159-164, Jan. 2004.
[2] F. Ashtiani, J. A. Salehi, and M. R. Aref, “Mobility modeling and analytical solution for spatial traffic distribution in wireless multimedia networks,” IEEE J. Select. Areas Commun..vol. 21, no. 10, pp. 1699-1709, Dec. 2003.
[3] F. Ashtiani, M. R. Aref, and J. A. Salehi, “Performance comparison of admission control policies for new calls in soft-handoff regions for CDMA cellular networks,” J. Scientia Iranica, vol. 11, no. 3, pp. 193-202, Summer 2004.
[4] E. Karamad and F. Ashtiani, “A modified 802.11-based MAC scheme to assure fair access for vehicle-to-roadside communications,” Elsevier Computer Communications, vol. 31, Iss. 12, pp. 2898-2906, 2008.
[5] G. Mohimani, F. Ashtiani, A. Javanmard, and M. Hamdi, “Mobility modeling, spatial traffic distribution, and probability of connectivity for sparse and dense vehicular ad hoc networks,” IEEE Trans. Vehicul. Tech, Vol. 58, No. 4, pp. 1998-2007, May 2009.
[6] A. Javanmard and F. Ashtiani, “Analytical evaluation of average delay and maximum stable throughput along a typical two-way street for vehicular ad hoc networks in sparse situations,” Elsevier Computer Communications, Vol. 32, Iss. 16, pp. 1768-1780, Oct. 2009.
[7] E. Karamad and F. Ashtiani, “Performance analysis of IEEE 802.11 DCF and 802.11e EDCA based on queueing networks,” IET Commun., Vol. 3, Iss. 5, pp. 871-881, 2009.
[8] N. Etemadi-Rad and F. Ashtiani, “Throughput analysis of IEEE 802.11 based vehicular ad hoc networks,” accepted for IET Communications.
[9] A. Sharif-Nassab and F. Ashtiani, “Connectivity analysis of one-dimensional ad hoc networks with arbitrary spatial distribution for variable and fixed number of nodes,” accepted for IEEE Trans. Mobile Computing.
Conference Papers:
[1] F. Ashtiani, J. A. Salehi, M. R. Aref, and M. Nasiri-Kenari, “A new soft-handoff management algorithm with two decision boundaries,” in Proc. IEEE PIMRC’01, San Diego, CA, Sep. 2001, pp. D54-D58.
[2] F. Ashtiani, J. A. Salehi, and M. R. Aref, “An algorithm for new originating calls in soft-handoff regions in CDMA cellular networks,” in Proc. Intern. Sympos. Telecommun., IST’01, Tehran, Sep. 2001.
[3] F. Ashtiani, J. A. Salehi, and M. R. Aref, “Analytical computation of spatial traffic distribution in a typical region of a cellular network by proposing a general mobility model,” in Proc. IEEE ICT’03, Tahiti, Fr, Mar. 2003, pp. 295-301.
[4] F. Ashtiani, J. A. Salehi, and M. R. Aref, “An approximate upper bound for power-control exchange rate in CDMA cellular networks,” in Proc. Intern. Sympos. Telecommun., IST’03, Isfahan, Aug. 2003.
[5] A. Seyfi and F. Ashtiani, “Effect of Leaky-Bucket-Based Traffic Shaping on Capacity Enhancement for VSG-CDMA Cellular Networks,” in Proc. IEEE WCNC’07, Hong Kong, Mar. 2007, pp. 3695-3699.
[6] M. R. Faghih-Imani and F. Ashtiani, “Interference modeling and generalized static capacity for uplink CDMA cellular networks,” in Proc. IEEE ICT’07, Penang, Malaysia, May 2007, pp. 17-22.
[7] A. Seyfi and F. Ashtiani, “Effect of Data Traffic Shaping on Throughput and Delay for VSG-CDMA Cellular Networks,” in Proc. IEEE ICT’07, Penang, Malaysia, May 2007 pp. 6-11.
[8] F. Ashtiani, M. Hamdi, and K. Shafiee, “An analytical framework for computation of throughput capacity in multi-hop mobile ad hoc networks,” in Proc. IEEE PIMRC’07, Athens, Greece, Sep. 2007, pp. 1-5.
[9]. S. H. Hassani, F. Ashtiani, and P. Tehrani, “Non-saturated mode analysis of IEEE 802.11 MAC protocol,” in Proc. IEEE PIMRC’07, Athens, Greece, Sep. 2007, pp. 1-5.
[10] S. Feizi-Khankandi, F. Ashtiani, and S. H. Hassani, “Modeling the behavior of contending opportunistic cognitive radios,” in Proc. IEEE ICSPC07, pp. 720-723.
[11] Abouzar Ghavami and Farid Ashtiani, “A new cross layer design of adaptive modulation and coding in finite buffer wireless links,” in Proc. IEEE FGCN’07, Jeju-Island Korea 2007, pp. 498-503.
[12] Soheil Feizi-Khankandi and F. Ashtiani, “Lower and upper bounds for throughput capacity of a cognitive ad hoc network overlaid on a cellular network,” in Proc. IEEE WCNC’08, pp.2759-2764 .
[13] Abouzar Ghavami and Farid Ashtiani, “Cross-layer optimization of queuing with adaptive modulation and coding preserving packet average delay time,” in Proc. IEEE Globecom’ 08, pp.1-5.
[14] Hamed Nasrabadi and Farid Ashtiani, “Improving coverage-capacity tradeoff and power consumption of TDMA-CDMA by coverage-dependent timeslot allocation,” in Proc. IEEE WiMob’ 08, pp. 266-271.
[15] Fatemeh Hamidi-Sepehr and Farid Ashtiani, “An analytical model for evaluation of wireless mesh networks,” in Proc. IST’08, Tehran, 2008, pp. 295-300.
[16] M. B. Iraji, M. H. Amerimehr and F. Ashtiani, “A queueing model for wireless tandem network coding,” in Proc.IEEE WCNC’09, Budapest, Mar. 2009, pp. 1-6.
[17] M. Ghaffari and F. Ashtiani, “A new routing algorithm for sparse vehicular ad-hoc networks with moving destinations,” in Proc. IEEE WCNC’09, Budapest, Mar. 2009, pp. 1-6.
[18] M. H. Amerimehr, M. B. Iraji, and F. Ashtiani, “An analytical approach for throughput evaluation of wireless network coding,” in Proc. IEEE ICC’09, Dresden, Jun. 2009, pp. 1-5.
[19] S. Sahraei and F. Ashtiani, “Effect of power randomization on saturation throughput of IEEE 802.11 WLAN,” in Proc. IEEE ICC’10, Cape Town, May 2010, pp. 1-5.
[20] A. Kazerooni and F. Ashtiani, “Effect of the traffic-load dependent vehicle routing algorithm on the connectivity in VANETs,” in Proc. IEEE VTC’11, Budapest, May 2011, pp 1-5.
[21] A. Kenarsari-Anhari and F. Ashtiani, “Throughput enhancement of IEEE 802.11e WLAN by transmission power randomization,” in Proc. IEEE VTC’11, Budapest, May 2011, pp 1-5.
[22] M. Moradian and F. Ashtiani, “Throughput analysis of a cognitive IEEE 802.11 WLAN sharing the downlink band of a cellular network,” in Proc. IEEE ICC’11, Kyoto, June 2011.
[23] F. Farhadi and F. Ashtiani, “Throughput enhancement of a random access WLAN by combination of digital and analog network coding,” ,” in Proc. IEEE ICC’11, Kyoto, June 2011.