Dr Keivan Navaie

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Research Overview

Keivan Navaie's research interests lie in the field of smart cities, cyber-physical systems, mobile networking cognitive communications. and dynamic spectrum allocation. Dr. Navaie is on the editorial board of the IEEE TWC, IEEE Comm Letter, and IEEE Communications Surveys and Tutorials. He has published more than 120 peer-reviewed journal articles, book chapters and conference papers. His paper, ``Access strategies for spectrum sharing in fading environment: Overlay, underlay and mixed,'' was in the IEEE Communication Society Best readings on Cognitive Radio 2012. He has been on the technical program committee of different IEEE conferences, including Globecom, ICC, VTC and WCNC, and chaired some of their symposia. He is the recipient of the 2011 IEEE Iran Section Young Investigator award. Dr. Navaie is a Senior Member of the IEEE, Senior Fellow of Higher Education Association, Fellow of IET, and a Chartered Engineer in the UK.

Selected Publications

Resource allocation in downlink of dual-hop OFDM relaying systems
Pazouki, E., Navaie, K., Kooshki, H. 2/02/2011
Conference contribution/Paper

An architecture for dependable connectivity in OSGi-enabled dynamic distributed systems
Raza, A., Navaie, K., Nicholson, R. 30/11/2018
Conference contribution/Paper

Coverage Analysis of Multi-Stream MIMO HetNets with MRC Receivers
Khoshkholgh, M.G., Navaie, K., Shin, K.G., C. M. Leung, V. 12/2017 In: IEEE Transactions on Wireless Communications. 16, 12, p. 7816-7833. 18 p.
Journal article

Dependable Information Exchange for the Next Generation Mobile Cyber-Physical Systems
Navaie, K., Aghvami, A.H. 27/10/2017 In: IEEE Wireless Communications Magazine. 24, 5, p. 150-156. 7 p.
Journal article

Cell Association in Dense Heterogeneous Cellular Networks
Khoshkholgh, M.G., Navaie, K., Shin, K.G., C. M. Leung, V. 1/05/2018 In: IEEE Transactions on Mobile Computing. 17, 5, p. 1019-1032. 14 p.
Journal article

Coverage performance in multi-stream MIMO-ZFBF heterogeneous networks
Khoshkholgh, M.G., C. M. Leung, V., Navaie, K., Shin, K.G. 08/2017 In: IEEE Transactions on Vehicular Technology. 66, 8, p. 6801-6818. 18 p.
Journal article

A novel low complexity energy-efficient resource allocation for OFDM systems
Kazemi, J., Omidi, M.J., Navaie, K. 01/2017 In: Transactions on Emerging Telecommunications Technologies. 28, 1, 11 p.
Journal article

Energy-efficient resource allocation for amplify-and-forward relaying in OFDM systems
Kazemi, J., Omidi, M.J., Navaie, K. 01/2017 In: Transactions on Emerging Telecommunications Technologies. 28, 1, 15 p.
Journal article

Exploiting quantization uncertainty for enhancing capacity of limited-feedback MISO ad hoc networks
Khoshkholgh, M.G., Haghighi, A.A., Navaie, K., Shin, K.G., C. M. Leung, V. 4/12/2016
Conference contribution/Paper

Provisioning statistical QoS for coordinated communications with limited feedback
Khoshkholgh, M.G., Navaie, K., Shin, K.G., C. M. Leung, V. 4/12/2016
Conference contribution/Paper

Beamforming in coexisting wireless systems with uncertain channel state information
Le, T.A., Navaie, K., Vien, Q., Nguyen, H.X. 18/09/2016
Conference contribution/Paper

Coverage performance of MIMO-MRC in heterogeneous networks: a stochastic geometry perspective
Khoshkholgh, M.G., Navaie, K., Shin, K.G., C. M. Leung, V. 18/09/2016
Conference contribution/Paper

Performance evaluation of MISO-SDMA in heterogenous networks with practical cell association
Khoshkholgh, M.G., Navaie, K. 18/09/2016
Conference contribution/Paper

On the spectral-energy efficiency and rate fairness tradeoff in relay-aided cooperative OFDMA systems
Song, Z., Ni, Q., Navaie, K., Hou, S., Wu, S. 09/2016 In: IEEE Transactions on Wireless Communications. 15, 9, p. 6342-6355. 14 p.
Journal article

A low-latency zone-based cooperative spectrum sensing
G C, D., Navaie, K. 1/08/2016 In: IEEE Sensors Journal. 16, 15, p. 6028-6042. 15 p.
Journal article

Performance of retransmission schemes for multicasting in random wireless networks
Navaie, K., Khoshkholgh, M.G., C. M. Leung, V., Shin, K.G. 4/09/2016
Conference paper

Weighted sum throughput maximization in heterogeneous OFDMA networks
Siswanto, D., Zhang, L.X., Navaie, K., G C, D. 18/05/2016
Conference contribution/Paper

A low complexity power allocation algorithm in OFDM based decode and forward relay systems
Ashrafi, A., Kazemi, J., Omidi, M.J., Navaie, K. 10/05/2016
Conference paper

On the collaborative cellular cognitive radio networks
G C, D., Navaie, K. 10/04/2016
Poster

A Robust Transmission Strategy for Multi-Cell Interference Networks
Le, A.T., Nakhai, M.R., Navaie, K. 6/12/2015
Conference contribution/Paper

Energy- and spectral-efficiency tradeoff with $\alpha$-fairness in downlink OFDMA systems
Song, Z., Ni, Q., Navaie, K., Hou, S., Wu, S. 8/07/2015 In: IEEE Communications Letters. 19, 7, p. 1265-1268. 4 p.
Journal article

Uplink radio resource allocation in AF and DF relay-assisted networks with limited rate feedback
Dashti, M., Yamchi, N., Navaie, K. 07/2015 In: IEEE Transactions on Vehicular Technology. 64, 7, p. 3056-3074. 19 p.
Journal article

On the impact of delay constraint on the multicast outage in wireless fading environment
Khoshkholgh, M.G., Navaie, K. 06/2015
Conference contribution/Paper

On the interference tolerance of the primary system in cognitive radio networks
Le, T.A., Navaie, K. 06/2015 In: IEEE Wireless Communications Letters. 4, 3, p. 281-284. 4 p.
Journal article

Radio resource allocation for OFDM-based dynamic spectrum sharing: duality gap and time averaging
Khoshkholgh, M.G., Mokari, N., Navaie, K., Yanikomeroglu, H., C. M. Leung, V., Shin, K.G. 05/2015 In: IEEE Journal on Selected Areas in Communications. 33, 5, p. 848-864. 17 p.
Journal article

Inter-cell collaborative spectrum monitoring for cognitive cellular networks in fading environment
Deepak, G.C., Navaie, K., Ni, Q. 2015
Conference contribution/Paper

Symbol timing offset mitigation in OFDMA-based CoMP utilizing position aware transmission
Le, T.A., Gherkar, T., Nakhai, M.R., Navaie, K. 2015
Conference contribution/Paper

Optimal design of the spectrum sensing parameters in the overlay spectrum sharing
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 09/2014 In: IEEE Transactions on Mobile Computing. 13, 9, p. 2085-2099. 15 p.
Journal article

Downlink beamforming in underlay cognitive cellular networks
Anh Le, T., Navaie, K. 07/2014 In: IEEE Transactions on Communications. 62, 7, p. 2212-2223. 12 p.
Journal article

Relay assisted OFDMA spectrum sharing systems
Navaie, K., Mokari, N. 05/2014 In: Transactions on Emerging Telecommunications Technologies. 25, 5, p. 515-529. 15 p.
Journal article

Downlink beamforming design for cognitive cellular systems
Le, T.A., Navaie, K. 04/2014
Conference contribution/Paper

Fundamental performance trade-offs in coexisting wireless networks
Navaie, K., Le, T.A. 2014
Conference contribution/Paper

Spectrum splitting-based cognitive interference management in two-tier LTE networks
Siswanto, D., Zhang, L., Navaie, K. 2014
Conference contribution/Paper

Outage performance of the primary service in spectrum sharing networks
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 10/2013 In: IEEE Transactions on Mobile Computing. 12, 10, p. 1955-1971. 17 p.
Journal article

Ergodic sum rate maximization for underlay spectrum sharing with heterogeneous traffic
Dashti, M., Azmi, P., Navaie, K., Razavizadeh, S.M. 07/2013 In: Wireless Personal Communications. 71, 1, p. 589-610. 22 p.
Journal article

Interference management in underlay spectrum sharing using indirect power control signalling
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 07/2013 In: IEEE Transactions on Wireless Communications. 12, 7, p. 3264-3277. 14 p.
Journal article

Managing imperfect spectrum sensing in the secondary service: increasing sensing time or adopting channel coding?
Haddadi, S., Saeedi, H., Navaie, K. 06/2013 In: IEEE Communications Letters. 17, 6, p. 1232-1235. 4 p.
Journal article

Cross-layer resource allocation in orthogonal frequency multiple access systems based on channel distribution information
Navaie, K. 26/03/2013 In: IET Communications. 7, 5, p. 439-447. 9 p.
Journal article

Channel coding increases the achievable rate of the cognitive networks
Mokari, N., Saeedi, H., Navaie, K. 03/2013 In: IEEE Communications Letters. 17, 3, p. 495-498. 5 p.
Journal article

Harmonic mean rate fairness for cognitive radio networks with heterogeneous traffic
Dashti, M., Azmi, P., Navaie, K. 03/2013 In: Transactions on Emerging Telecommunications Technologies. 24, 2, p. 185-195. 11 p.
Journal article

Channel coding adoption versus increasing sensing time in secondary service to manage the effect of imperfect spectrum sensing in cognitive radio networks
Haddadi, S., Saeedi, H., Navaie, K. 2013
Conference contribution/Paper

On the sensing time and achievable throughput in sensor-enabled cognitive radio networks
G.c., D., Navaie, K. 2013
Conference contribution/Paper

Decentralised covariance control of dynamic routing in traffic networks: a covariance feedback approach
Baromand, S., Nekouie, M.A., Navaie, K. 1/12/2012 In: IET Networks. 1, 4, p. 289-301. 13 p.
Journal article

Radio resource allocation for orthogonal frequency division multiple access-based underlay cognitive radio networks utilising weighted ergodic rates
Dashti, M., Azmi, P., Navaie, K. 6/11/2012 In: IET Communications. 6, 16, p. 2543-2552. 10 p.
Journal article

Novel utility-based optimal bit-loading algorithm for orthogonal frequency division multiple access wireless networks
Kooshki, H.S., Navaie, K., Shamsi, A. 5/09/2012 In: IET Communications. 6, 13, p. 2074-2083. 10 p.
Journal article

Primary service outage degradation in dynamic spectrum sharing with non-ideal spectrum sensing
Aghajeri, S., Sharafat, A.R., Navaie, K. 3/07/2012 In: IET Communications. 6, 10, p. 1252-1261. 10 p.
Journal article

Radio resource allocation schemes for relay assisted OFDMA dynamic spectrum allocation systems
Mokari, N., Navaie, K. 06/2012
Conference contribution/Paper

Resource allocation in decode-and-forward relaying systems based on OFDM
Pazouki, E., Navaie, K. 05/2012
Conference contribution/Paper

MR-BART: multi-rate available bandwidth estimation in real-time
Sedighizad, M., Seyfe, B., Navaie, K. 03/2012 In: Journal of Network and Computer Applications. 35, 2, p. 731-742. 12 p.
Journal article

Cooperative multiple relay system for frequency selective environment: outage analysis and power allocation
Haghighi, A.A., Navaie, K. 02/2012 In: Wireless Communications and Mobile Computing. 12, 2, p. 184-194. 11 p.
Journal article

A decentralized control strategy for joint resource allocation and routing in node-based wireless data networks
Baromand, S., Nekouie, M.A., Navaie, K. 2012
Conference contribution/Paper

Optimal distributed fuzzy control strategy for aircraft routing and traffic flow management
Baromand, S., Nekouie, M.A., Navaie, K. 2012
Conference contribution/Paper

Resource allocation for underlay CDMA cognitive radio networks
Dashti, M., Azmi, P., Navaie, K. 2012
Conference contribution/Paper

Trellis-coded-modulation-OFDMA for spectrum sharing in cognitive environment
Mokari, N., Navaie, K., Saeedi, H. 2012
Conference contribution/Paper

Downlink radio resource allocation in OFDMA spectrum sharing environment with partial channel state information
Mokari, N., Navaie, K., Khoshkholgh, M.G. 10/2011 In: IEEE Transactions on Wireless Communications. 10, 10, p. 3482-3495. 14 p.
Journal article

Novel spectral efficient cooperative relaying protocols with low communication overhead
Haghighi, A.A., Navaie, K. 23/09/2011 In: IET Communications. 5, 14, p. 2009-2017. 9 p.
Journal article

A stochastic geometry analysis of hybrid cellular-adhoc CDMA networks
Navaie, K., Banivaheb, N. 06/2011 In: international journal of information and communication technology research. 3, 2, p. 47-54. 8 p.
Journal article

Radio resource allocation in OFDM-based cooperative relaying networks for a mixture of elastic and streaming traffic
Mokari, N., Navaie, K. 20/05/2011 In: IET Communications. 5, 8, p. 1083-1089. 7 p.
Journal article

Low overhead spectral efficient cooperative relaying protocols
Haghighi, A.A., Navaie, K. 02/2011
Conference contribution/Paper

On the interference management in wireless multi-user networks
Navaie, K. 02/2011 In: Telecommunication Systems. 46, 2, p. 135-148. 14 p.
Journal article

Outage probability of hybrid CDMA network with spatial Poisson traffic
Banivaheb, N., Navaie, K. 02/2011
Conference contribution/Paper

Diversity multiplexing trade-off in ARQ based cooperative and non-cooperative communication over general channel dynamics
Haghighi, A.A., Navaie, K. 01/2011 In: IEEE Transactions on Wireless Communications. 10, 1, p. 303-313. 11 p.
Journal article

Spectrum sharing in DS-CDMA/OFDM wireless mobile networks
Navaie, K., Yanikomeroglu, H., Khoshkholgh, M.G., Sharafat, A.R., Nikoofar, H. 2011 In: Cognitive radio mobile ad hoc networks. New York : Springer p. 91-125. 35 p.
Chapter (peer-reviewed)

A novel practical utility-based algorithm for adaptive radio resource allocation in OFDMA wireless networks
Shamsi Koushki, H., Navaie, K. 12/2010
Conference contribution/Paper

Access strategies for spectrum sharing in fading environment: overlay, underlay, and mixed
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 12/2010 In: IEEE Transactions on Mobile Computing. 9, 12, p. 1780-1793. 14 p.
Journal article

Cross-layer resource allocation for push to talk service over orthogonal frequency division multiple access-based networks with heterogeneous traffic
Mokari, N., Navaie, K. 15/10/2010 In: IET Communications. 4, 15, p. 1838-1846. 9 p.
Journal article

Achievable capacity in hybrid DS-CDMA/OFDM spectrum-sharing
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 06/2010 In: IEEE Transactions on Mobile Computing. 9, 6, p. 765-777. 13 p.
Journal article

Outage analysis and diversity-multiplexing trade off bounds for opportunistic relaying coded cooperation and distributed space-time coding coded cooperation
Haghighi, A.A., Navaie, K. 03/2010 In: IEEE Transactions on Wireless Communications. 9, 3, p. 1198-1206. 9 p.
Journal article

Cross-layer resource allocation in OFDMA systems for heterogeneous traffic with imperfect CSI
Mokari, N., Javan, M.R., Navaie, K. 02/2010 In: IEEE Transactions on Vehicular Technology. 59, 2, p. 1011-1017. 7 p.
Journal article

On the outage probability of SIR-based power controlled DS-CDMA networks with spatial Poisson traffic
Taheri, M.M., Navaie, K., Bastani, M.H. 01/2010 In: IEEE Transactions on Vehicular Technology. 59, 1, p. 499-506. 8 p.
Journal article

Impact of the secondary network on the outage performance of the primary service in spectrum sharing
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 2010
Conference contribution/Paper

Novel approaches to determine the optimal operating point of spectrum sensing in overlay spectrum sharing
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 2010
Conference contribution/Paper

On the impact of the primary network activity on the achievable capacity of spectrum sharing over fading channels
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 04/2009 In: IEEE Transactions on Wireless Communications. 8, 4, p. 2100-2111. 12 p.
Journal article

An algorithm for downlink radio resource allocation in cellular CDMA-TDMA networks
Navaie, K. 03/2009 In: Modares Technical Journal. 8 p.
Letter

Utility-based adaptive radio resource allocation in OFDM wireless networks with traffic prioritization
Katoozian, M., Navaie, K., Yanikomeroglu, H. 01/2009 In: IEEE Transactions on Wireless Communications. 8, 1, p. 66-71. 6 p.
Journal article

Resource allocation based on channel distribution information for elastic and streaming traffic in OFDMA networks: a heuristic algorithm
Mokari, N., Javan, M.R., Navaie, K. 2009
Conference contribution/Paper

Impact of the secondary service transmit power constraint on the achievable capacity of spectrum sharing in rayleigh fading environment
Khoshkholgh, M., Navaie, K., Yanikomeroglu, H. 12/2008 In: IEEE Communications Letters. 12, 12, p. 865-870. 6 p.
Journal article

Adaptive multiple time-scale power allocation for spectrum sharing in DS-CDMA networks
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 05/2008
Conference contribution/Paper

Impact of heavy-tail distribution of call durations on the outage probability in DS-CDMA-based air interface
Navaie, K. 05/2008 In: IEEE Communications Letters. 12, 5, p. 340-342. 3 p.
Journal article

Impact of transmission error in DCH channel on the performance of UMTS networks
Kazemi, J., Navaie, K. 05/2008
Conference contribution/Paper

Impact of the primary network activity on the maximum achievable capacity of DS-CDMA/OFDM spectrum sharing
Khoshkholgh, M.G., Navaie, K., Yanikomeroglu, H. 2008
Conference contribution/Paper

Interference management for wireless systems
Navaie, K., Valaee, S. 2008 In: Handbook of computer networks. Hoboken, N. J. : Wiley
Chapter (peer-reviewed)

MR-BART: multi-rate available bandwidth estimation in real-time
Sedighizad, M., Seyfe, B., Navaie, K. 2008
Conference contribution/Paper

Optimal utility-based resource allocation for OFDM networks with multiple types of traffic
Katoozian, M., Navaie, K., Yanikomeroglu, H. 2008
Conference contribution/Paper

Optimum model-based non-real-time downlink data transmission in heterogeneous, DS-CDMA cellular networks
Navaie, K., Valaee, S., Sharafat, A.R., Sousa, E.S. 06/2007 In: IEEE Transactions on Wireless Communications. 6, 6, p. 2357-2367. 11 p.
Journal article

A utility-based downlink radio resource allocation for multiservice cellular DS-CDMA networks (Research article)
Shabany, M., Navaie, K., Sousa, E.S. 8/03/2007 In: EURASIP Journal on Wireless Communications and Networking. 11 p.
Journal article

Optimal downlink resource allocation for cellular CDMA networks
Navaie, K. 2007 In: Adaptation techniques in wireless multimedia networks. New York : Nova Science Publishers, Inc.
Chapter (peer-reviewed)

Optimal downlink resource allocation for non-realtime traffic in cellular CDMA/TDMA networks
Navaie, K., Yanikomeroglu, H. 04/2006 In: IEEE Communications Letters. 10, 4, p. 278-280. 3 p.
Journal article

On the downlink interference in heterogeneous wireless DS-CDMA networks
Navaie, K., Valaee, S., Sharafat, A.R., Sousa, E.S. 02/2006 In: IEEE Transactions on Wireless Communications. 5, 2, p. 384-393. 10 p.
Journal article

Downlink joint base-station assignment and packet scheduling algorithm for cellular CDMA/TDMA networks
Navaie, K., Yanikomeroglu, H. 2006
Conference contribution/Paper

Induced cooperative multi-user diversity relaying for multi-hop cellular networks
Navaie, K., Yanikomeroglu, H. 2006
Conference contribution/Paper

Multi-route and multi-user diversity
Navaie, K., Yanikomeroglu, H. 2006 In: Cooperation in wireless networks. Netherlands : Springer p. 223-241. 19 p.
Chapter (peer-reviewed)

Routing mechanisms for multi-hop cellular communications in the WINNER air interface
Navaie, K., Liu, Y., Abaii, M., Florea, A., Yanikomeroglu, H., Tafazolli, R. 2006
Conference contribution/Paper

Cross-layer modelling for efficient transmission of non-realtime data traffic over downlink DS-CDMA heterogenous networks
Navaie, K., Valaee, S., Sousa, E.S. 2005
Conference contribution/Paper

Fairness of resource allocation in cellular networks: a survey
Navaie, K., Yanikomeroglu, H. 2005 In: Resource allocation in next generation wireless networks. New York : Nova Science Publishers p. 249-266. 8 p.
Chapter (peer-reviewed)

On the impact of traffic characteristics on radio resource fluctuation in multi-service cellular CDMA networks
Navaie, K., Sharafat, A.R., Zhao, Y.Q.Q. 2005
Conference contribution/Paper

A novel approach to call blocking probability evaluation in multiservice CDMA
Navaie, K., Fadaie, F. 2004
Conference contribution/Paper

Downlink resource allocation for data traffic in heterogenous cellular CDMA networks
Shabany, M., Navaie, K., Sousa, E.S. 2004
Conference contribution/Paper

Joint pilot power adjustment and base station assignment for data traffic in cellular CDMA networks
Shabany, M., Navaie, K. 2004
Conference contribution/Paper

An upper bound on air interface blocking probability in multi-service CDMA networks
Navaie, K., Sharafat, A.R. 04/2003 In: International Journal of Wireless Information Networks. 10, 2, p. 111-116. 6 p.
Journal article

A bound on the outage probability in multi-service cellular CDMA networks
Navaie, K., Valaee, S. 2003
Conference contribution/Paper

A framework for UMTS air interface analysis
Navaie, K., Sharafat, A.R. 2003 In: Canadian Journal of Electrical and Computer Engineering. 28, 3-4, p. 113-129. 17 p.
Journal article

Downlink blocking probability estimation in multi-service cellular CDMA networks
Navaie, K., Sharafat, A.R. 2003
Conference contribution/Paper

Impact of heavy tail call duration on total interference in cellular CDMA
Navaie, K., Valaee, S. 2003
Conference contribution/Paper

On the impact of the user's traffic characteristics on the outage probability in multi-service CDMA
Navaie, K. 2003
Conference contribution/Paper

Power and rate control of NRT services over sectorized distributed antennas in downlink CDMA
Ghasemi, A., Navaie, K. 2003
Conference contribution/Paper

  • Lancaster Intelligent, Robotic and Autonomous Systems Centre
  • SCC (Communication Systems)