Octavia A. Dobre

Professor and Research Chair

Faculty of Engineering and Applied Science

 

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SELECTED LIST OF PUBLICATIONS:

Selected Journal Publications

[J84] O. Omomukuyo, S. Zhang, O. A. Dobre, R. Venkatesan, and T. Ngatched, "Discrete FRFT-based frame and frequency synchronization for coherent optical systems," IEEE Photonics Technology Letters, vol. 29, issue 23, pp. 2016-2019, Dec. 2017.

[J83] M. Zheng, A. Yahav, O. A. Dobre, and V. Poor, "Energy-efficient power allocation for MIMO-NOMA with multiple users in a cluster," accepted IEEE Access, Nov. 2017.

[J82] X. Lin, Y. A. Eldemerdash, O. A. Dobre, S. Zhang and C. Li, "Modulation classification using received signal's amplitude distribution for coherent receivers," IEEE Photonics Letters, vol. 29, issue 21, pp. 1872-1875, Nov. 2017.

[J81] G. Tsiropoulos, A. Yadav, M. Zheng, and O. A. Dobre, "Cooperation in 5G HetNets: Advanced spectrum access and D2D assisted communications," IEEE Wireless Communications, vol. 21, pp. 110-117, Oct. 2017.

[J80] A. Yadav, M. Goonewardena, W. Ajib, O. A. Dobre, and H. Elbiaze, "Energy management for energy harvesting wireless sensors with adaptive retransmission," accepted IEEE Transactions on Communications, July 2017.

[J79] K. Chinmoy, S. Ghose, T. M. N. Ngatched, O. A. Dobre, T. Q. Duong, and R. Bose, "Effects of CSI knowledge on secrecy of threshold-selection decode-and-forward relaying," IEEE Access, vol. 5, pp. 19393-19408, Dec. 2017.

[J78] X. Ouyang, O. A. Dobre, G. Yong-Liang, and J. Zhao, "Chirp spread spectrum towards the Nyquist signaling rate - Orthogonality condition and applications," IEEE Signal Processing Letters, vol. 24, pp, 1488-1492, Oct. 2017.

[J77] S. Kafaie, M. H. Ahmed, Y. Chen, and O. A Dobre, "Performance analysis of network coding with IEEE 802.11 DCF in multi-hop wireless networks," accepted IEEE Transactions on Mobile Computing, Aug. 2017

[J76] M. Zeng, A. Yadav, O. A. Dobre, G. Tsiropoulos, and V. Poor, "On the sum rate of MIMO-NOMA and MIMO-OMA systems," IEEE Wireless Communications Letters, vol. 6, pp. 534-537, Oct. 2017.

[J75] O. Omomukuyo, O. A. Dobre, R. Venkatesan, and T. M. N. Ngatched, "Synchronization for next-generation high-speed coherent optical transmission systems: A robust and bandwidth-efficient method," accepted IEEE Instrumentation and Measurement Magazine, June 2017.

[J74] A. Amari, O. A. Dobre, R. Vanketesan, O. S. S. Kumar, P. Ciblat, and Y. Jaouen, "A survey on fiber nonlinearity compensation for 400 Gbps and beyond optical communication systems," accepted IEEE Communications Surveys and Tutorials, June 2017.

[J73] T. Yacoob, O. A. Dobre, R. Youssef, and E. Radoi, "Optimal selection of Fourier coefficients for compressed sensing-based UWB channel estimation," IEEE Wireless Communications Letters, 2017, DOI: 10.1109/LWC.2017.2704105.

[J72] S. M. R. Islam, M. Zeng, and O. A. Dobre, "NOMA in 5G systems: Exciting possibilities for enhancing spectral efficiency," IEEE 5G Tech Focus, vol. 2, pp. 1-6, June 2017. ***Invited***

[J71] M. Zeng, A. Yadav, O. A. Dobre, G. Tsiropoulos, and V. Poor, "Capacity comparison between MIMO-NOMA and MIMO-OMA with multiple users in a cluster," accepted IEEE Journal on Selected Areas on Communications, DOI 10.1109/JSAC.2017.2725879, July 2017.

[J70] M. Mohammadkarimi, O. A. Dobre, and M. Win, "Number of transmit antennas detection using time-diversity of the fading channel," IEEE Transactions on Signal Processing, vol. 65, pp. 4031-4046, Aug. 2017.

[J69] I. Ah-Nahhal, O. A. Dobre, and S. Ikki, “Quadrature spatial modulation decoding complexity: Study and reduction,” IEEE Wireless Communications Letters, vpl. 6, pp. 378-381, Apr. 2017.

[J68] A. Yadav, O. A. Dobre, and N. Ansari, “Energy and traffic aware full duplex communications for 5G systems,” IEEE Access, vol. 5, pp. 11278-11290, 2017 **Invited**

[J67] Y. Eldemerdash, O. A. Dobre, O. Ureten, and T. Yensen, “Identification of cellular networks for intelligent radio measurements,” accepted IEEE Transactions in Instrumentation and Measurement, vol. 66, issue 8, pp. 2204-2211, Aug. 2017.

[J66] A. A. Esswie, M. El-Absi, O. A. Dobre, S. Ikki, and T. Kaiser, “Spatial channel estimation based FDD-MIMO interference alignment systems,” IEEE Wireless Communications Letters, vol. 6, pp. 254-257, Apr. 2017.

[J65] X. Ouyang, O. A. Dobre and J. Zhao, “Unbiased channel estimation based on the discrete Fresnel transform for CO-OFDM systems,” IEEE Photonics Technology Letter, vol. 29, pp. 691-694, Apr. 2017.

[J64] S. Kafaie, Y. Chen, M. H. Ahmed, and O. A. Dobre, “FlexONC: Joint cooperative forwarding and network coding with precise encoding conditions,” IEEE Transactions on Vehicular Technologies, DOI: 10.1109/TVT.2017.2659539, 2017.

[J63] S. Zhang, D. Chang, O. A. Dobre, O. Omomukuyo, X. Lin, and R. Venkatesan, "Training symbol-based equalization for quadrature duobinary PDM-FTN systems," IEEE Photonics Technology Letter, vol. 29, pp. 454-457, Mar. 2017.

[J62] S. M. R. Islam, N. Avazov, O. A. Dobre, and K.-S. Kwak "Power-domain non-orthogonal multiple access (NOMA) in 5G systems: Potentials and challenges," accepted in IEEE Communications Surveys and Tutorials, Oct. 2016.

[J61] M. Marey and O. A. Dobre, "Automatic identification of space-frequency block coding for OFDM systems," accepted in IEEE Transactions on Wireless Communications, vol. 16, pp. 117 - 128, DOI: 10.1109/TWC.2016.2619676, Jan. 2017.

[J60] L. Han, F. Gao, Z. Li, and O. A. Dobre, "Low complexity automatic modulation classification based on order-statistics and machine learning techniques," accepted IEEE Transactions on Wireless Communications, Oct. 2016.

[J59] Y. Omomukuyo, D. Chang, O. A. Dobre, R. Venkatesan, and T. N. Ngatched, "Alamouti coding for joint frame and frequency synchronization in reduced-guard-interval polarization-division-multiplexed CO-OFDM systems," accepted in IEEE Photonics Technology Letters, Oct. 2016.

[J58] F. Wang, O. A. Dobre, C. Chan, and J. Zhang, "Novel fold-based Kolmogorov-Smirnov modulation classifier," accepted IEEE Signal Processing Letters, May 2016.

[J57] D. Chang, O. Omomukuyo, O. A. Dobre, and R. Venkatesan, "Robust faster-than-Nyquist PDM-mQAM systems with Tomlinson-Harashima precoding," accepted IEEE Photonics Technology Letter, May 2016.

[J56] V.-D. Nguyen, T. Q. Duong, O. A. Dobre, and O.-S. Shin, "Joint transmit and jamming beamforming for secrecy rate maximization in a CRN with MISO multi-eves," accepted IEEE Transactions Information Forensics and Security, June 2016.

[J55] Y. A. Eldemerdash, O. A. Dobre, and M. Oner, “Signal identification for intelligent multiple antenna wireless communications: Achievements and challenges,” accepted IEEE Communications Surveys and Tutorials, Jan. 2016.

[J54] M. Marey and O. A. Dobre, “Iterative receiver design for uplink OFDMA cooperative systems,” accepted IEEE Transactions on Broadcasting, Aug. 2016.

[J53] F. Wang, O. A. Dobre, C. Chan, and J. Zhang, "Novel fold-based Kolmogorov-Smirnov modulation classifier," accepted IEEE Signal Processing Letters, May 2016.

[J52] L. De Vito and O. A. Dobre, “A comprehensive sampling-based method for classification and parameter estimation of FSK signals,” accepted ELSEVIER Measurement, Jan. 2016.

[J51] Y. Zhang, R. Venkatesam, O. A. Dobre, and C. Li, "An improved compressed sensing-based channel estimation algorithm with near-optimal pilot placement," IEEE Transactions on Wireless Communications, accepted Dec. 2015.

[J50] A. Afana, T. Ngnatched, and O. A. Dobre, "Spatial modulation in MIMO limited-feedback spectrum-sharing systems with mutual interference and channel estimation errors," IEEE Communications Letters, vol. 19, pp. 1754-1757, Oct. 2015.

[J49] O. Omomukuyo, D. Chang, O. A. Dobre et al., "Simple sampling clock synchronisation scheme for reduced-guard-interval coherent optical OFDM systems," Electronics Letters, vol. 51, pp. 2026-2028, Nov. 2015.

[J48] O. A. Dobre, "Signal identification for emerging intelligent radios: Classical problems and new challenges," **Invited** IEEE Instrumentation and Measurement Magazine, vol. 18, pp. 11-18, April 2015.

[J47] M. Marey and O. A. Dobre, “Blind modulation classification for Alamouti STBC system with transmission impairments,” IEEE Wireless Communications Letters, accepted June 2015.

[J46] E. Bedeer, O. A. Dobre, M. H. Ahmed, and K. Baddour, "A novel multiobjective optimization approach to bit and power allocation for OFDM systems," accepted IEEE Transactions on Mobile Computing, July 2015. (impact factor 2.912)

[J45] H. Wang, O. A. Dobre, C. Li, and D. Popescu, “Blind cyclostationarity-based symbol period estimation for FSK signals,” IEEE Communications Letters, accepted May 2015.

[J44] H. Mostafa, M. Marey, O. A Dobre, and M. H. Ahmed, “Data detection algorithms for BICM alternate-relaying cooperative systems with multiple-antenna destination,” IEEE Transactions on Vehicular Technology, accepted May 2015.

[J43] A. Afana, T. Ngatched, and O. A. Dobre, "Cooperative AF relaying with beamforming and limited feedback in cognitive radio networks," IEEE Communications Letters, vol. 19, pp. 491-494, March 2015.

[J42] O. Amin, E. Bedeer, M. H. Ahmed, and O. A. Dobre, "Energy efficiency - spectral efficiency trade-off: A multiobjective optimization approach," IEEE Transactions on Vehicular Technology, accepted April 2015.

[J41] N-Q. Nhan, T. Ngnatched, O. A. Dobre, P. Rostaing, and E. Radoi, "Multiple-votes parallel symbol-flipping decoding algorithm for non-binary LDPC codes," IEEE Communications Letters, accepted March 2015.

[J40] W. Jerjawi, Y. Eldemerdash, and O. A. Dobre, "Second-order cyclostationarity-based detection of LTE SC-FDMA signals for cognitive radio systems," IEEE Transactions on Instrumentation and Measurement, vol. 64, pp. 823-833, Mar. 2015.

[J39] O. Omomukuyo, D. Chang, J. Zhu, O. A. Dobre et al., "Joint timing and frequency synchronization based on weighted CAZAC sequences for reduced-guard-interval CO-OFDM systems," vol. 23, pp. 5777-5788, OSA Optics Express, Mar. 2015.

[J38] Y. Eldemerdash, O. A. Dobre, and B. Liao, "Blind identification of SM and Alamouti STBC-OFDM signals," IEEE Transactions on Wireless Communications, Oct. 2014. DOI: 10.1109/TWC.2014. 2363093.

[J37] M. Mohammadkarimi and O. A. Dobre, "Blind identification of spatial multiplexing and Alamouti space-time block code via Kolmogorov-Smirnov (K-S) test," IEEE Communications Letters, vol. 18, no. 10, pp. 1711-1714, Oct. 2014.

[J36] G. Tsiropoulos, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Radio resource allocation techniques for efficient spectrum access in cognitive radio networks," IEEE Communications Surveys and Tutorials, accepted Sept. 2014.

[J35] E. Bedeer, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Rate-interference tradeoff in OFDM-based cognitive radio systems," IEEE Transactions on Vehicular Technology, accepted July 2014.

[J34] O. Amin, S. Ikki, M. H. Ahmed, and O. A Dobre, "Performance analysis of multiple relays cooperative systems with signal space diversity," IEEE Transactions on Vehicular Technology, Aug. 2014. DOI: 10.1109/TVT.2014.2359175.

[J33] M. Marey, O. A. Dobre, and B. Liao, "Classification of STBC systems over frequency-selective channels," IEEE Transactions on Vehicular Technology, June 2014. DOI: 10.1109/TVT.2014.2335415.

[J32] E. Karami and O. A. Dobre, "Identification of SM-OFDM and AL-OFDM signals based on their second-order cyclostationarity," IEEE Transactions on Vehicular Technology, May 2014. DOI: 10.1109/TVT.2014.2326107.

[J31] O. Amin, E. Bedeer, M. Ahmed, and O. A. Dobre, "A novel energy efficient scheme with a finite-rate feedback channel," IEEE Wireless Communications Letters, vol. 3, no. 5, pp. 497-500, Oct. 2014.

[J30] M. Marey and O. A. Dobre, "Blind modulation classification algorithm for single and multiple-antenna systems over frequency-selective channels," IEEE Signal Processing Letters, vol. 21, pp. 1098 - 1102, Sept. 2014.

[J29] M. Marey, O. A. Dobre, and B. Liao, "Second-order statistics based blind synchronization algorithm for STBCs," IEEE Communications Letters, accepted April 2014.

[J28] E. Bedeer, O. Amin, O. A. Dobre, M. Ahmed, and K. Baddour, "Energy-efficient power loading for OFDM-based cognitive radio systems with channel uncertainties," IEEE Transactions on Vehicular Technology, accepted July 2014, DOI: 10.1109/TVT.2014.2342226.

[J27] M. Marey, O. A. Dobre, and R. Inkol, "Blind STBC identification for multiple antenna OFDM systems," IEEE Transactions on Communications, vol. 62, issue 5, pp. 1554-1567, May 2014.

[J26] E. Bedeer, O. A. Dobre, M. H. Ahmed, and K. Baddour, "A multiobjective optimization approach for optimal link adaptation of OFDM-based cognitive radio systems with imperfect spectrum sensing," Transactions on Wireless Communications, vol. 13, issue 4, pp. 2339-2352, April 2014.

[J25] Q. Zhang, O. A. Dobre, Y. Eldemerdash, S. Rajan, and R. Inkol, "Second-order cyclostationarity of BT-SCLD signals: Theoretical developments and applications to signal classification and blind parameter estimation," IEEE Transactions on Wireless Communications, vol. 12, pp. 1501 - 1511, April 2013.

[J24] Y. Eldemerdash, M. Marey, O. A. Dobre, G. Karagiannidis, and R. Inkol, "Fourth-Order Statistics for Blind Classification of Spatial Multiplexing and Alamouti Space-Time Block Code Signals," IEEE Transactions on Communications, vol. 61, pp. 2420-2431, June 2013.

[J23] M. Marey, O. A. Dobre, and R. Inkol, "Novel block timing and frequency synchronization algorithm for Alamouti STBC," IEEE Communications Letters, vol. 17, pp. 569-572, Mar. 2013.

[J22] E. Bedder, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Joint optimization of bit and power loading for multicarrier communication systems," IEEE Wireless Communications Letters, vol. 2, pp. 447-450, Aug. 2013.

[J21] M. S. Mühlhaus, M. Öner, O. A. Dobre, and F. K. Jondral, "A low complexity modulation classification algorithm for MIMO systems," IEEE Communications Letters, DOI: 10.1109/LCOMM.2013.091113.130975, Sept. 2013.

[J20] L. Qian, C. Fang, O. A. Dobre, H. Liu, and J. Wu, "CA-MAC: A novel MAC protocol to alleviate congestion in wireless sensor networks," accepted in Advances in Electrical and Computer Engineering, Nov. 2013.

[J19] H. Mostafa, M. Marey, M. H. Ahmed, and O. A. Dobre, "Simplified maximum likelihood detector for alternate relaying cooperative systems," accepted in IET Communications, July 2013.

[J18] S. Abraham, D. C. Popescu, and O. A. Dobre, "Joint beamforming and power control in downlink multiuser MIMO systems," Wiley Journal on Communications and Computing, DOI: 10.1002/wcm.2362, Mar. 2013.

[J17] H. Moustafa, M. Marey, M. H. Ahmed, and O. A. Dobre, "ML detectors for full-rate decode and forward cooperative transmission," accepted in EURASIP Journal on Wireless Communications and Networking, Sept. 2013.

[J16] T. Rasheed, M. H. Ahmed, O. A. Dobre, W. Jerjawi, and M. Saad, "User pairing in cooperative wireless network coding with network performance optimization," accepted in EURASIP Journal on Wireless Communications and Networking, May 2013.

[J15] A. Al-Habashna, O. A. Dobre, R. Venkatesan, and D. C. Popescu, "Second-order cyclostationarity of mobile WiMAX and LTE OFDM signals and application to spectrum awareness in cognitive radio systems," IEEE Journal of Selected Topics in Signal Processing, vol. 6, pp. 26-42, Feb. 2012.

[J14] D. Joshi, D. C. Popescu, and O. A. Dobre, "Joint spectral shaping and power control in spectrum overlay cognitive radio systems," IEEE Transactions on Communications, vol. 60, pp. 2396-2401, Sep. 2012.

[J13] M. Marey, O. A. Dobre, and R. Inkol, "Classification of space-time block codes based on second-order cyclostationarity with transmission impairments," IEEE Transactions on Wireless Communications, vol. 11, pp. 2574-2584, July 2012.

[J12] O. A. Dobre, M. Oner, S. Rajan, and R. Inkol, "Cyclostationarity-based robust algorithms for QAM signal identification," IEEE Communications Letters, vol. 16, pp. 12-15, Jan. 2012.

[J11] M. Marey, M. Samir, and O. A. Dobre, "EM-based joint channel estimation and IQ imbalances for OFDM systems," IEEE Transactions on Broadcasting, vol. 58, pp. 106-113, March 2012.

[J10] M. H. Ahmed, O. A. Dobre, and R. Almatarneh, "Analytical evaluation of the performance of proportional fair scheduling in OFDMA-based wireless ssystems," accepted in Special Issue on Resource Allocation in Communications and Computing, Hindawi Journal of Electrical and Computer Engineering, DOI:10.1155/2012/680318, May 2012.

[J9] M. Oner and O. A. Dobre, "On the second-order cyclic statistics of signals in the presence of receiver impairments," IEEE Transactions on Communications, vol. 59, pp. 3278 - 3284, Dec. 2011.

[J8] A. R. Ektia, S. Yarkan, K. A. Qaraqe, E. Serpedin, and O. A. Dobre, "Analysis of mobility impact on interference in cognitive radio networks," in ELSEVIER PHYCOM, in press, available on-line July 2012.

[J7] D. Joshi, D. C. Popescu, and O. A. Dobre, "Gradient-based threshold adaptation for energy detector in cognitive radio systems," IEEE Communications Letters, vol. 15, pp. 19-21, Jan. 2011.

[J6] Punchihewa, Q. Zhang, O. A. Dobre, C. Spooner, S. Rajan, and R. Inkol, "On the cyclcostationarity of OFDM and single carrier linearly digitally modulated signals in time dispersive channels: Theoretical developments and application," IEEE Transactions on Wireless Communications, vol. 9, pp. 2588 - 2599, August 2010.

[J5] D. C. Popescu, O. Popescu, and O. A. Dobre, "User admissibility in uplink wireless systems with multipath and target SINR requirements," IEEE Communications Letters, vol. 14, issue 2, pp. 106-108, Feb. 2010.

[J4] O. A. Dobre, A. Abdi, Y. Bar-Ness, and W. Su, "Cyclostationarity-based modulation classification of linear digital modulations in flat fading channels," Kluwer Wireless Personal Communications Journal, vol. 54, pp. 699-717, Sept. 2010.

[J3] F. Hameed, O. A. Dobre, and D. C. Popescu, "On the likelihood-based approach to modulation classification," IEEE Transactions on Wireless Communications, vol. 8, pp. 5884 - 5892, Dec. 2009.

[J2] O. A. Dobre, S. Rajan, and R. Inkol, "Joint signal detection and classification based on first-order cyclostationarity for cognitive radios," EURASIP Journal on Advances in Signal Processing, Special Issue on Dynamic Spectrum Access for Wireless Networking, vol. 2009, pp. 1-12, July 2009.

[J1] O. A. Dobre, A. Abdi, Y. Bar-Ness, and W. Su, "A survey of automatic modulation classification techniques: classical approaches and new trends," IET Communications, vol. 1, pp. 137-156, April 2007.

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Selected Conference Publications

[C116] X. Lin, O. A. Dobre, O. Omomukuyo, Y. Eldemerdash, and C. Li, "OSNR estimation algorithm for higher-order modulation formats in coherent optical systems," accepted OSA Asia Communications and Photonics Conference, Guangzhou, China, Nov. 2017.

[C115] S. Kumar O. S., A. Amari, O. A. Dobre, V. Ramachandran(, and S. K. Wilson, "A joint technique for nonlinearity compensation in CO-OFDM superchannel system," accepted OSA Asia Communications and Photonics Conference, Guangzhou, China, Nov. 2017.

[C114] S. Ghose, C. Kundu, and O. A. Dobre, "Secrecy outage of proactive relay selection by eavesdropper," accepted IEEE Globecom 2017, Singapore.

[C113] H.-V. Nguyen, V.-D. Nguyen, O. A. Dobre, and O.-H. Shin, "Sum rate maximization based on sub-array antenna selection in a full-duplex system," accepted IEEE Globecom 2017, Singapore.

[C112] G. Tsiropoulos, M. Zheng, A. Yadav, O. A. Dobre, and M. H. Ahmed, "A two-phase power allocation scheme for CRNs employing NOMA, accepted IEEE Globecom 2017, Singapore.

[C111] A. Dubey, C. Kundu, T. M. N. Ngatched, O. A. Dobre, and R. K. Mallik, "Incremental selective decode-and-forward relaying for power line communication," in Proc. IEEE VTC Fall 2017, Toronto, Canada.

[C110] H. T. Nguyen, T. Q. Duong, O. A. Dobre, and W.-J. Hwang, “Cognitive heterogeneous networks with best relay selection over unreliable backhaul connections,” in Proc.IEEE VTC Fall 2017, ***Invited Paper***.

[C109] A. Yadav, O. A. Dobre, and N. Ansari, “Distributed energy and resource management for full-duplex dense small cells for 5G,” in Proc. IEEE IWCMC 2017, Valencia, Spain.

[C108] Y. Eldemerdash, O. A. Dobre, O. Ureten, and T. Yensen, “Fast and robust identification of GSM and LTE signals,” in Proc. IEEE I2MTC, 2017, Torino, Italy.

[C107] A. Esswei, M. El-Absi, O. A. Dobre, S. Ikki, and T. Kaiser, “A novel FDD massive MIMO system based on downlink spatial channel estimation without CSIT,” in Proc. IEEE ICC 2017, Paris, France, June 20117.

[C106] A. Amari, O. A. Dobre, and R. Venkatesan, “Fifth-order Volterra-based equalizer?for fiber nonlinearity compensation?in Nyquist WDM?super channel?system,” in Proc. ICTON 2017, ***Invited Paper***

[C105] A. Afana, T. G. Ngatched, O. A. Dobre, and S. Ikki, “Cooperative DF cognitive radio networks with spatial modulation with channel estimation errors,” in Proc. IEEE WCNC 2017, San Francisco, March 2017.

[C106] S. Kumar, O. A. Dobre, R. Venkatesan, K. Wilson, O. Omomukuyo, and D. Chang, "A spectrally-efficient linear polarization coding scheme for fiber nonlinearity compensation in CO-OFDM systems," in Proc. SPIE Photonics West Opto, 2017.

[C105] C. Kundu, T. M. N. Ngatched, and O. A Dobre, "Relay selection to improve secrecy in cooperative threshold decode-and-forward relaying," in Proc. IEEE Globecom 2016.

[C104] M. Zeng, G. Tsiropoulos, O. A. Dobre, and M. H. Ahmed, "Power allocation for cognitive radio networks employing non-orthogonal multiple access," in Proc. IEEE Globecom 2016.

[C103] M. Arifuzzamnan, O. A. Dobre, M. H. Ahmed, and T. M. N. Ngatched, "Joint routing and MAC layer QoS-aware protocol for wireless sensor networks," in Proc. IEEE Globecom 2016.

[C102] S. Kafaie, M. H. Ahmed, Y. Chen, and O. A. Dobre, "Throughput analysis of network coding in multi-hop wireless mesh networks using queueing theory," in Proc. IEEE Globecom 2016.

[C101] C. Kundu, T. Ngatched, and O. A Dobre, "Secrecy performance of dual-hop threshold relaying system with diversity reception," in Proc. IEEE VTC Fall 2016, ***Invited Paper***.

[C100] G. Tsiropoulos, M. Zheng, O. A. Dobre, and M. H. Ahmed, "A load-balancing semi-matching approach for resource allocation in cognitive radio networks," in Proc. IEEE ICC 2016.

[C99] D. -V. Nguyen, T. Q. Duong, O. A. Dobre, and O.-S. Shin, "Secrecy rate maximization in a cognitive radio network with artificial noise aided for MISO multi-eves," in Proc. IEEE ICC 2016.

[C98] A. Afana, T. Ngatched, O. A. Dobre, and S. Ikki, "Spatial modulation in MIMO spectrum sharing systems with imperfect channel estimation and multiple primary users," in Proc. IEEE GLOBECOM 2015.

[C97] A. Afana, T. Ngatched, O. A. Dobre, and S. Ikki, "Spatial modulation in MIMO cognitive radio networks with channel estimation errors and primary interference constraint," in Proc. IEEE GLOBECOM 2015.

[C96] J. Zhang, F. Wang, Z. Zhong, and O. A. Dobre, "Novel Hilbert spectrum-based specific emitter identification for single-hop and relaying scenarios," in Proc. IEEE GLOBECOM 2015.

[C95] Y. Eldemerdash and O. A. Dobre, "Second-order correlation-based algorithm for STBC-OFDM signal identification," in Proc. IEEE ICC 2015, London, UK.

[C94] D. Chang, O. Omomukuyo, O. A Dobre, R. Venkatesan, P. Gillard, and C. Rumbolt, "Tomlinson-Harashima precoding with soft detection for faster than Nyquist DN-16QAM coherent optical systems," in Proc. IEEE/OSA OFC 2015, Los Angeles, USA.

[C93] E. Karami, O. A. Dobre, and N. Adnani, "Identification of GSM and LTE signals using their second-order cyclostationarity," in Proc. IEEE I2MTC 2015, Pisa, Italy.

[C92] Y. Zhang, R. Venkatesan, O. A. Dobre, and C. Li, "An adaptive matching pursuit algorithm for sparse channel estimation," in Proc. IEEE WCNC 2015, New Orleans, USA.

[C91] S. Kafaie, Y. Chen, M. H. Ahmed, and O. A. Dobre, "Network coding with link layer cooperation in wireless mesh networks," in Proc. IEEE ICC 2015, London, UK.

[C90] M. Mohamadkarimi and O. A. Dobre, "A novel algorithm for blind detection of the number of transmit antenna," in Proc. IEEE CrownCom 2015, Doha, Qatar.

[C89] A. Afana, T. Ngatched, O. A Dobre, and A. Grayeb, "Cooperative bi-directional DF cognitive radio networks with limited feedback and beamforming," in Proc. IEEE ICC 2015, London, UK.

[C88] A. Afana, S. Ikki, T. Ngatched, and O. A Dobre, "Error and SIR analysis of interference-limited cooperative diversity networks with optimum combining," in Proc. IEEE ICC 2015, London, UK.

[C87] O. Amin, E. Bedeer, M. H. Ahmed, O. A Dobre, and M. S. Alouini, "Energy-efficient power allocation of two-hop cooperative systems with imperfect channel estimation," in Proc. IEEE ICC 2015, London, UK.

[C86]Y. Zhang, R. Venkatesan, O. A. Dobre, and C. Li, "Compressed sensing-based time-varying channel estimation in UWA-OFDM networks," in Proc. IEEE IWCMC 2015, Dubrovnic, Croatia.

[C85] M. Mohamadkarmi and O. A. Dobre, "A novel non-parametric method for blind identification of STBC codes," in Proc. IEEE CWIT 2015, St. John's, Canada.

[C84] S. Zhalehpour, M. Uysal, O. A. Dobre, and T. Ngatched, "Outage capacity and throughput analysis of multiuser FSO systems," in Proc. IEEE CWIT 2015, St. John's, Canada.

[C83] J. Zhang, O. Omomukuyo, R. Venkatesan, C. Li, and O. A. Dobre. "RF-pilot phase noise compensation for long-haul coherent optical OFDM systems," in Proc. IEEE CWIT 2015, St. John's, Canada.

[C82] Y. Eldemerdash and O. A. Dobre, "Second-order statistic-based detection of Alamouti-coded OFDM signals for cognitive radio," in Proc. IEEE Globecom, 2014, Austin, Texas, Dec. 2014.

[C81] E. Bedeer, O. A. Dobre, M. H. Ahmed, and K. Badoor, "Rate-interference trade off in OFDM-based cognitive radio networks," in Proc. IEEE Globecom, 2014, Austin, Texas, Dec. 2014.

[C80] G. Tsiropoulos, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Joint channel assignment and power allocation in cognitive radio networks," in Proc. IEEE Globecom, 2014, Austin, Texas, Dec. 2014.

[C79] M. Shaat, T. Ngatched, and O. A. Dobre, "Resource allocation in OFDM-based cognitive two-way multiple-relay networks," accepted in IEEE Globecom, 2014, Austin, Texas, Dec. 2014.

[C78] T. T. Duy, T. Q. Duong, M. Elkashlan, N. H. Tran, and O. A Dobre, "Secured cooperative cognitive radio networks with relay selection," in Proc. IEEE Globecom, 2014, Austin, Texas, Dec. 2014.

[C77] L. de Vito and O. A. Dobre, "Joint classification and parameter estimation of compressive sampled FSK signals," in Proc. IEEE IMEKO, Sannio, Italy, June 2014.

[C76] O. Amin, E. Bedeer, M. H. Ahmed, and O. A. Dobre, "Energy efficiency and spectral efficiency trade-off for OFDM systems with imperfect channel estimation," in Proc. IEEE ICC, 2014, Sydney, Australia.

[C75] W. Jerjawi, Y. Eldemerdash, and O. A. Dobre, "Blind recognition of SC-FDMA signals using second-order cyclostationarity," in Proc. IEEE I2MTC, 2014, Montevideo, Uruguay, pp. 1163-1166.

[C74] E. Bedeer, O. A. Dobre, M. Ahmed, and K. Baddour, "A novel algorithm for rate/power allocation in OFDM-based cognitive radio systems with statistical interference constraints," in Proc. IEEE Globecom, 2013, pp. 3504-3509.

[C73] Y. Eldemerdash, M. Marey, O. A. Dobre, G. Karagiannidis, and R. Inkol, "An efficient algorithm for space-time block code classification," in Proc. IEEE Globecom, 2013, pp. 3329-3334.

[C72] H. Mostafa, M. H. Ahmed, and O. A. Dobre, "Receiver design for alternate-relaying cooperative systems with multiple antennas at the destination," in Proc. IEEE Globecom, 2013, pp. 3878-3883.

[C71] M. Marey, O. A. Dobre, and R. Inkol, "Novel algorithm for STBC-OFDM identification in cognitive radios," in Proc. IEEE ICC, 2013, pp. 2770-2774.

[C70] Y. Eldemerdash, M. Marey, O. A. Dobre, and R. Inkol, "Blind identification of SM and Alamouti STBC signals based on fourth-order statistics," in Proc. IEEE ICC, 2013, pp. 4666-4670.

[C69] E. Bedeer, O. A. Dobre, M. Ahmed, and K. Baddour, "Adaptive rate and power transmission for OFDM-based cognitive radio systems," in Proc. IEEE ICC, 2013, pp. 4671-4676.

[C68] E. Bedeer, O. A. Dobre, M. Ahmed, and K. Baddour, "Resource allocation for spectrum sharing in cognitive radio networks," in Proc. IEEE ICC, 2013, pp. 2764-2769..

[C67] H. Wang, O. A. Dobre, C. Li, and R. Inkol, "Experimental results for M-FSK signal classification and parameter estimation," in Proc. IEEE I2MTC, 2013, pp.1786-1789.

[C66] M. Muhlhaus, M. Oner, O. A. Dobre, H. Jakel, and F. K. Jondral, "A novel algorithm for MIMO signal classification using higher-order cumulant," in Proc. IEEE RWS, 2013, pp. 7-9.

[C65] D. R. Joshi, D. C. Popescu, and O. A. Dobre, "Dynamic spectral shaping in LTE-advanced cognitive radio systems," in Proc. IEEE RWS, 2013, pp. 19-21.

[C64] E. Bedder, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Constraint joint bit and power allocation for multicarrier systems," in Proc. IEEE Globecom, 2012, pp. 1-5.

[C63] E. Bedder, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Optimal bit and power loading for OFDM systems with average BER and total power constraints," in Proc. IEEE Globecom, 2012, pp. 3685-3689.

[C62] O. A. Dobre and R. Inkol, "Blind signal identification: Achievements, trends, and challenges," in Proc. IEEE COMM, 2012, pp. 349-352. **Invited paper**

[C61] Y. Eldemerdash, O. A. Dobre, M. Marey, and R. Inkol, "Fourth-order moment-based identification of SM and Alamouti STBC for cognitive radio," in Proc. IEEE ICC, 2012, pp. 1762-1766.

[C60] M. Marey, O. A. Dobre, and R. Inkol, "Cyclostationarity-based blind classification of STBCs for cognitive radio systems," in Proc. IEEE ICC, 2012, pp. 1740-1745.

[C59] E. Bedder, M. Marey, O. A. Dobre, M. H. Ahmed, and K. Baddour, "A novel algorithm for joint bit and power loading for OFDM systems with unknown interference," in Proc. IEEE ICC, 2012, pp. 3628-3633.

[C58] H. Mostafa, M. Marey, M. H. Ahmed, and O. A. Dobre, "Decoding techniques for coded full-rate cooperative systems," in Proc. IEEE ICC, 2012, pp. 3776-3781.

[C57] Q. Zhang, O. A. Dobre, S. Rajan, and R. Inkol, "Recognition of single and multicarrier digital modulations," in Proc. IEEE I2MTC, 2012, pp. 1676-1680.

[C56] H. Wang, O. A. Dobre, C. Li, and R. Inkol, "Joint classification and parameter estimation of M-FSK signals for cognitive radio," in Proc. IEEE ICC, 2012, pp. 1757-1761.

[C55] E. Bedder, M. Marey, O. A. Dobre, and K. Baddour, "Adaptive bit allocation for OFDM cognitive radio systems with imperfect channel estimation," in Proc. IEEE RWS, 2012, pp. 359-362.

[C54] H. Wang, O. A. Dobre, C. Li, and R. Inkol, "M-FSK signal recognition in fading channels for cognitive radio," in Proc. IEEE RWS, 2012, pp. 375-378.

[C53] M. Muhlhaus, M. Oner, O. A. Dobre, H. Jakel, and F. K. Jondral, "Automatic modulation classification for MIMO systems using fourth-order cumulants," accepted in IEEE VTC Fall 2012.

[C52] T. Rasheed, M. H. Ahmed, and O. A. Dobre, "User pairing for capacity maximization in cooperative wireless network coding," accepted in IEEE VTC Fall 2012.

[C51] E. Bedder, O. A. Dobre, M. H. Ahmed, and K. Baddour, "Constrained joint bit and power allocation for multicarrier systems," accepted in IEEE VTC Fall 2012.

[C50]T. Rasheed, M. H. Ahmed, and O. A Dobre, "Optimal user pairing in cooperative wireless network coding with constrained power minimization," in Proc. IEEE RWS, 2012, pp. 35-38.

[C49] E. Bedder, M. Marey, O. A. Dobre, and K. Baddour, "Adaptive bit allocation for OFDM cognitive radio systems with imperfect channel estimation," in Proc. IEEE RWS, 2012, pp. 359-362.

[C48] H. Mostafa, M. Marey, M. Ahmed, and O. A. Dobre, "Detection techniques for two-relays decode and forward cooperative systems," in Proc. IEEE Globecom, 2011, pp. 1-6.

[C47] D. Joshi, D. Popescu, O. A. Dobre, and K. Baddour, "Spectral shaping for adjacent band interference suppression in cognitive radio systems," in Proc. IEEE Globecom, 2011, pp. 1-5.

[C46] E. Bedeer, Octavia Dobre, and Kareem Baddour, "Tradeoffs for spectrally efficient coexistence of OFDM cognitive radios," COST Action IC0902 - Cognitive Radio and Networking for Cooperative Coexistence of Heterogeneous Wireless Networks, Barcelona, Spain. October 2011.

[C45] P. Vandrish, A. Vardy, D. Walker, and O. A. Dobre, "Side-scan sonar image registration for AUV navigation," in Proc. IEEE International Symposium on Underwater Technology, 2011, pp. 1-7.

[C44] A. Al-Habashna, O. A. Dobre, R. Venkatesan, and D. C. Popescu, "Joint cyclostationarity-based detection and classification of mobile WiMAX and LTE OFDM signals," in Proc. IEEE ICC, 2011, pp. 1-6.

[C43] H. Mostafa, M. Marey, M. Ahmed, and O. A. Dobre, "Maximum-likelihood detectors for full-rate cooperative communication systems," in Proc. IEEE ICC, 2011, pp. 1-5.

[C42] E. Bedeer, M. Marey, O. A. Dobre, and K. Baddour, "On partially overlapping coexistence for dynamic spectrum access in cognitive radio," in Proc. IEEE CAMAD, 2011, pp. 143-147.

[C41] A. Al-Habashna, O. A. Dobre, R. Venkatesan, and D. C. Popescu, "Mobile WiMAX signal detection using cyclostationarity for cognitive radios," in Proc. IEEE Globecom, 2010, pp. 1-5.

[C40] A. Al-Habashna, O. A. Dobre, R. Venkatesan, and D. C. Popescu, "Cyclostationarity-based detection of LTE OFDM signals for cognitive radio systems," in Proc. IEEE Globecom, 2010, pp. 1-6.

[C39] O. A. Dobre, R. Inkol, and S. Rajan, "Application of cyclostationarity to joint signal detection, classification, and blind parameter estimation," in Proc. IEEE ChinaCom, 2010, pp. 1-8. **Invited paper**

[C38] M. Marey and O. A. Dobre, "New algorithm for sidelobe suppression and performance comparison in DFT-OFDM cognitive radios," in Proc. IEEE ASILOMAR, 2010, pp. 441-445.

[C37] A. Al-Habashna, O. A. Dobre, R. Venkatesan, and D. C. Popescu, "Joint signal detection and classification of mobile WiMAX and LTE OFDM signals for cognitive radio," in Proc. IEEE ASILOMAR, 2010, pp. 160-164.

[C36] D. C. Popescu, D. R. Joshi, and O. A. Dobre, "Spectrum allocation and power control in OFDM-based cognitive radios with target SINR constraints," in Proc. IEEE ASILOMAR, 2010, pp. 1891-1895.

[C35] D. C. Popescu, S. Abraham, and O.A. Dobre, "Joint transmitter adaptation and power control in multi-user wireless systems with target SIR requirements," in Proc. IEEE ASILOMAR, 2010, pp.136-140.

[C34] R. Almatarneh, M. H. Ahmed, and O. A. Dobre, "Performance analysis of proportional fair scheduling in OFDMA wireless systems," in Proc. IEEE VTC Fall 2010, pp. 1-5.

[C33] M. Samir, M. Marey, O. A. Dobre, A. El-Henawy, and H. El-Shenawy, "Joint estimation of IQ parameters and channel response for OFDM systems," in Proc. IEEE VTC Fall 2010, pp. 1-5.

[C32] D. C. Popescu, S. Abraham, O. Popescu, and O. A. Dobre, "On the uplink duality for Gaussian vector channels with colored noise and applications to CDMA transmitter adaptation," in Proc. IEEE QBSC Biennial Symposium, 2010, pp. 96-99.

[C31] Q. Zhang, O. A. Dobre, S. Rajan, and R. Inkol, "Cyclostationarity approach for the recognition of cyclically prefixed single carrier signals in cognitive radio," in Proc. IEEE ICC 2010, pp. 1-6.

[C30] Q. Zhang, O. A. Dobre, S. Rajan, and R. Inkol, "Cyclostationarity approach to joint blind estimation of CP-SCLD block transmission parameters for cognitive radio," in Proc. IEEE DySPAN, 2010, Singapore, pp. 1-5.

[C29] Y. Zhou, K. Qaraqe, E. Serpedin, and O. A. Dobre, "FSK-signal detection in cognitive radios using first-order cyclostationarity," in Proc. IEEE ICT, 2010, pp. 110-115.

[C28] D. R. Joshi, D. C. Popescu, and O. A. Dobre, "Adaptive spectrum sensing with noise variance estimation for dynamic cognitive radio systems," in Proc. IEEE CISS, 2010, Princeton, USA, pp. 1-5.

[C27] D. R. Joshi, D. C. Popescu, and O. A. Dobre, "Dynamic threshold adaptation for spectrum sensing in cognitive radio systems," in Proc. IEEE RWS, 2010, New Orleans, USA, pp. 468-471.

[C26] S. Abraham, D. Popescu, and O. A. Dobre, "Joint beamforming and power control in downlink multiuser MIMO systems," in Proc. IEEE RWS, 2010, New Orleans, USA, pp. 444 - 447.

[C25] Y. Zhou, K. Qaraqe, E. Serpedin, and O. A. Dobre, "AM signal detection in cognitive radios using first-order cyclostationarity," in Proc. IEEE ICASSP, 2010, Dallas, Texas, USA, pp. 3106-3109.

[C24] Y. Zhou, K. Qaraqe, E. Serpedin, O. A. Dobre, "FSK-signal detection in cognitive radios using first-order cyclostationarity," in Proc. IEEE ICT, 2010, pp. 110-115.

[C23] Y. Zhou, K. Qaraqe, E. Serpedin, and O. A. Dobre, "Efficient detection of FSK-signals based on cyclic statistics," in Proc. International Conference in Telecommunications, 2010, Bucharest. pp. 339-342.

[C22] D. R. Joshi, D. C. Popescu, and O. A. Dobre, "Dynamic spectral shaping in cognitive radios with Quality of Service constraints," in Proc. IEEE ASILOMAR, Nov. 2009, Monterey, USA, pp. 539 - 543.

[C21] Q. Zhang, O. A. Dobre, S. Rajan, and R. Inkol, "On the second-order cyclostationarity for joint signal detection and classification in cognitive radio systems," in Proc. IEEE CCECE, 2009, pp. 204-208. **Invited paper**

[C20] R. Almatarneh, M. Ahmed, and O. A. Dobre, "Frequency-time scheduling algorithm for OFDMA systems," in Proc. IEEE CCECE, 2009, pp. 766-771.

[C19] S.-H. Hwang, J.-H. Baek, O. A. Dobre, "Spectrum sensing using multiple antenna-aided energy detectors for cognitive radio," in Proc. IEEE CCECE, 2009, pp. 209-212.

[C18] O. A. Dobre, Q. Zhang, S. Rajan, and R. Inkol, "Second-order cyclostationarity of cyclically prefixed single carrier linear digital modulations with applications to signal recognition," in Proc. IEEE Globecom, 2008, New Orleans, USA pp. 1-5.

[C17] A. Punchihewa, O. A. Dobre, S. Rajan, and R. Inkol, "Nth-order cyclostationarity of OFDM signals in time dispersive channels," in Proc. IEEE ASILOMAR, 2008, Monterey, USA, pp. 574-580.

[C16] O. A. Dobre, S. Rajan, and R. Inkol, "Exploitation of first-order cyclostationarity for joint signal detection and classification in cognitive radio," in Proc. IEEE VTC Fall 2008, Calgary, Canada, pp. 1-5.

[C15] O. A. Dobre, A. Punchihewa, S. Rajan, and R. Inkol, "On the cyclostationarity of OFDM and single carrier linearly digitally modulated signals in time dispersive channels with applications to modulation recognition," in Proc. IEEE WCNC 2008, Las Vegas, USA, pp. 1284-1289.

[C14] A. Punchihewa, O. A. Dobre, S. Rajan, and R. Inkol, "Cyclostationarity-based algorithm for blind recognition of OFDM and single carrier linear digital modulations," in Proc. IEEE PIMRC 2007, Athens, Greece, pp. 1-5.

[C13] O. A. Dobre, S. Rajan, and R. Inkol, "A novel algorithm for blind recognition of M-ary frequency shift keying modulation," in Proc. IEEE WCNC 2007, Hong Kong, China, pp. 520-524.

[C12] O. A. Dobre and F. Hameed, "On performance bounds for joint parameter estimation and modulation classification," in Proc. IEEE Sarnoff Symposium 2007, Princeton University, USA, pp. 1-5.

[C11] O. A. Dobre and F. Hameed, "Likelihood-based algorithms for linear digital modulation classification in fading channels," in Proc. IEEE CCECE, 2006, Ottawa, Canada, pp. 1347-1350.

[C10] O. A. Dobre, A. Abdi, Y. Bar-Ness, and W. Su, "Cyclostationarity-based blind classification of analog and digital modulations," in Proc. IEEE MILCOM 2006, Washington DC, USA, pp. 1-7.

[C9] O. A. Dobre, A. Abdi, Y. Bar-Ness, and W. Su, "Selection combining for modulation recognition in fading channels," in Proc. IEEE MILCOM 2005, Atlantic City, USA, pp. 2499-2505.

[C8] O. A. Dobre, A. Abdi, Y. Bar-Ness, and W. Su, "The classification of joint analog and digital modulations," in Proc. IEEE MILCOM 2005, Atlantic City, USA, pp. 3010-3015.

[C7] H. Li, O. A. Dobre, Y. Bar-Ness, and W. Su, "Quasi-hybrid likelihood modulation classification with nonlinear carrier frequency offset estimation using antenna arrays," in Proc. IEEE MILCOM 2005, Atlantic City, USA, pp. 570-575.

[C6] O. A. Dobre, A. Abdi, Y. Bar-Ness, and W. Su, "Blind modulation classification: a concept whose time has come," in Proc. IEEE Sarnoff Symposium 2005, Princeton, USA, pp. 223-228.

[C5] O. A. Dobre, J. Zarzoso, Y. Bar-Ness, and W. Su, "On the classification of linearly modulated signals in fading channels," in CD, Conference on Information Sciences and Systems (CISS) 2004, Princeton, USA.

[C4] A. Abdi, O. A. Dobre, R. Chauchy, Y. Bar-Ness, and W. Su, "Modulation classification in fading channels using antenna arrays," in Proc. IEEE MILCOM 2004, Monterey, USA, pp. 211-217.

[C3] O. A. Dobre, Y. Bar-Ness, and W. Su, "Robust QAM modulation classification algorithm using cyclic cumulants," in Proc. IEEE WCNC 2004, Atlanta, USA, pp. 745-748.

[C2] O. A. Dobre, Y. Bar-Ness, and W. Su, "Higher-order cyclic cumulants for high order digital modulation classification," in Proc. IEEE MILCOM 2003, Boston, USA, pp. 112-117.

[C1] O. A. Dobre and Y.-D. Yao, "An adaptive data transmission scheme for OFDM systems," in Proc. IEEE VTC, 2002, Vancouver, Canada, pp. 1398-1403.

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Last Update: November, 2017