J. Zhang, G. Zheng, I. Krikidis, and R. Zhang, Specific absorption rate-aware beamforming in MISO downlink SWIPT systems, IEEE Transactions on Communications, (accepted for publication), Nov. 2019

M. M. Al-Wani, A. Sali, N. K. Noordin, S. J. Hashim, C. Y. Leow, and I. Krikidis, Robust Beamforming and user clustering for guaranteed fairness in downlink NOMA with partial feedback, IEEE Access, (accepted for publication), August 2019

N. Nomikos, E. T. Michailidis, P. Trakadas, D. Vouyioukas, T.Zahariadis, and I. Krikidis, Flex-NOMA: Exploiting buffer-aided relay selection for massive connectivity in the 5G uplink, IEEE Access, (accepted for publication), July 2019.

I. Krikidis and C. Psomas, Tone-index multisine modulation for SWIPT, IEEE Signal Processing Letters, (accepted for publication), July 2019

E. Demarchou, C. Psomas, and I. Krikidis, Asynchronous ad hoc networks with wireless powered cognitive communications, IEEE Transactions on Cognitive Communications and Networking, Special Issue on Energy-Harvesting Cognitive Radio Networks, (accepted for publication), March 2019.

I. Krikidis, Average age of information in wireless powered sensor networks, IEEE Wireless Communications Letters, (accepted for publication), December 2018.

N. Nomikos, D. Poulimeneas, T. Charalambous, I. Krikidis, D. Vouyioukas, and M. Johansson, Delay- and diversity- aware buffer-aided relay selection policies in cooperative networks, IEEE Access, (accepted for publication), Nov. 2018.

C. Skouroumounis, C. Psomas, and I. Krikidis, Heterogeneous FD-mmWave cellular networks with cell center/edge users, IEEE Transactions on Communications, (accepted for publication), Sept. 2018.

C. Psomas and I. Krikidis, Energy beamforming in wireless powered mmWave sensor networks, IEEE Journal Selected Areas on Communications, Special Issue on Wireless Transmission of Information and Power, (accepted for publication), Sept. 2018.

I. Krikidis, Retrodirective large antenna energy beamforming in backscatter multi-user networks, IEEE Wireless Communications Letters, (accepted for publication), February 2018.

E. Demarchou, C. Psomas, and I. Krikidis, Mobility management in ultra-dense networks: Handover skipping techniques, IEEE Access, (accepted for publication), February 2018.

S. Ansari, M. Sanchez, T. Boutaleb, S. Sinanovic, C. Gamio, and I. Krikidis, SAI: Safety application identifier algorithm at MAC layer for vehicular safety message dissemination over LTE VANET networks, Wireless Communications and Mobile Computing (Hindawi), pp. 1-12, January 2018.

C. Psomas and I. Krikidis, A wireless powered feedback protocol for opportunistic beamforming using rectenna arrays, IEEE Transactions on Green Communications and Networking, (accepted for publication), October 2017.

A. El Shafie, A. Sultan, I. Krikidis, N. Al-Dhahir, and R. Hamila, Achievable rates of buffer-aided full-duplex Gaussian relay channels, IEEE Access, (accepted for publication), October 2017.

C. Psomas and I. Krikidis, Backscatter communications for wireless powered sensor networks with collision resolution, IEEE Wireless Communications Letters, (accepted for publication), 2017.

C. Skouroumounis, C. Psomas, and I. Krikidis, Low-complexity base station selection scheme in mmWave cellular networks, IEEE Transactions on Communications}, (accepted for publication), 2017.

F. Jameel, S. Wyne, and I. Krikidis, “Secrecy outage for wireless sensor networks, IEEE Communications Letters, (accepted for publication), 2017.

S. B. Amor, S. M. Perlaza, I. Krikidis, and H. V. Poor, Feedback enhances simultaneous wireless information and energy transmission in multiple access channels, IEEE Transactions on Information Theory, (accepted for publication), 2017.

G. Zheng, H. Suraweera, and I. Krikidis, Optimization of hybrid cache placement for collaborative relaying,” IEEE Communications Letters, vol. 21, pp. 442–445, February 2017.

C. Psomas, M. Mohammadi, I. Krikidis, and H. Suraweera, Impact of directionality on interference mitigation in full-duplex cellular networks, IEEE Transactions on Wireless Communications, vol. 16, pp. 487–502, January 2017

C. Psomas and I. Krikidis, Successive interference cancellation in bipolar ad hoc networks with SWIPT, IEEE Wireless Communications Letters, vol. 5, pp. 364-367, August 2016.

I. Krikidis, SWIPT in 3-D bipolar ad hoc networks with sectorized antennas, IEEE Communications Letters, vol 20, pp. 1267-1270, June 2016.

P. Xu, Z. Ding, I. Krikidis, and X. Dai, Achieving optimal diversity gain in buffer-aided relay networks with small buffer size, IEEE Transactions on Vehicular Technology, (accepted), Dec. 2015.

S. Timotheou, G. Zheng, C. Masouros, and I. Krikidis, Exploiting constructive interference for simultaneous wireless information and power transfer in multiuser downlink systems, IEEE Journal Selected Areas on Communications, Special Issue on Green Communications and Networking, vol. 34, pp. 1772-1784, May 2016.

M. Mohammadi, B. K. Chalise, H. A. Suraweera, C. Zhong, G. Zheng, and I. Krikidis, Throughput analysis and optimization of wireless-powered multiple antenna full-duplex relay systems, IEEE Transactions on Communications, vol. 64, pp. 1769-1785, April 2016.

N. Nomikos, T. Charalambous, I. Krikidis, D. D. Skoutas, D. Vouyioukas, M. Johansson, and C. Skianis, A survey on buffer-aided relay selection, IEEE Communications Surveys and Tutorials, vol. 18, pp. 1073-1097, 2nd Quarter 2016.

M. Mohammadi, H. A. Suraweera, Y. Cao, I. Krikidis, and C. Tellambura, Full-duplex radio for uplink/downlink wireless access with spatially random nodes, IEEE Transactions on Communications, vol. 63, pp. 5250-5266, December 2015.

I. Krikidis, Relay selection in wireless powered cooperative networks with energy storage, IEEE Journal Selected Areas on Communications, Special Issue on Green Communications and Networking, vol. 33, pp. 2596-2610, December 2015.

K. Ishibashi, C. K. Ho, and I. Krikidis, Diversity-multiplexing tradeoff of dynamic harvest-and-forward cooperation, IEEE Wireless Communications Letters, vol. 4, pp. 633-636, December 2015.

I. Krikidis, Opportunistic beamforming with wireless powered 1-bit feedback through rectenna array, IEEE Signal Processing Letters, vol. 22, pp. 2054-2058, Nov. 2015.

X. Zhou, J. Guo, S. Durrani, and I. Krikidis, Performance of maximum ratio transmission in ad hoc networks with SWIPT, IEEE Wireless Communications Letters, vol. 4, pp. 529-532, October 2015.

I. Ahmed, M. M. Butt, C. Psomas, A. Mohamed, I. Krikidis, and M. Guizani, Survey on energy harvesting communications: Challenges and opportunities for radio resource allocation, Elsevier Computer Networks, vol. 88, pp. 234–248, Sept. 2015.

S. Timotheou, I. Krikidis, S. Karachontzitis, and K. Berberidis, Spatial domain simultaneous information and power transfer for MIMO channels, IEEE Transactions on Wireless Communications, vol. 14, pp. 4115-4128, August 2015.

S. Timotheou and I. Krikidis, Fairness for Non-orthogonal multiple access in 5G systems, IEEE Signal Processing Letters, vol. 22, pp. 1647-1651, Oct. 2015.

N. Nomikos, T. Charalambous, I. Krikidis, D. Skoutas, D. Vouyioukas, and M. Johansson, A Buffer-aided Successive Opportunistic Relay Selection Scheme with Power Adaptation and Inter-Relay Interference Cancellation for Cooperative Diversity Systems, IEEE Transactions on Communications, vol. 63, pp. 1623-1634, May 2015.

T. Charalambous, N.Nomikos, I. Krikidis, D. Vouyioukas, and M. Johansson, Modeling Buffer-Aided Relaying with Direct Transmission Capability in Cooperative Networks, IEEE Communications Letters, vol. 19, pp. 649-652, April 2015.

S. Karachontzitis, S. Timotheou, I. Krikidis, and K. Berberidis, Security-aware Max-Min resource allocation in multiuser OFDMA downlink, IEEE Transactions on Information Forensics and Security, vol. 10, pp. 529-542, March 2015.

G. Zheng, I. Krikidis, C. Masouros, S. Timotheou, D. Toumpakaris, and Z. Ding, Rethinking the role of interference in wireless networks, IEEE Communications Magazine, vol. 52, pp. 152-158, Nov. 2014.

I. Krikidis, S. Timotheou, S. Nikolaou, G. Zheng, D. W. K. Ng, and R. Schober, Simultaneous wireless information and power transfer in modern communication systems, IEEE Communications Magazine, vol. 52, pp. 104-110, Nov. 2014. (invited paper)

P. Xu, Z. Ding, X. Dai, I. Krikidis, and A. V. Vasilakos, Alternative relaying for cooperative multiple access channels in wireless vehicular networks, EURASIP Journal on Wireless Communications and Networking, Oct. 2014.

C. Zhong, H. A. Suraweera, G. Zheng, I. Krikidis, and Z. Zhang, Wireless information and power transfer with full duplex relaying, IEEE Transactions on Communications, vol. 62, pp. 3447-3461, Oct. 2014.

Z. Ding, I. Krikidis, B. Sharif and H. V. Poor, Wireless information and power transfer in cooperative networks with spatially random relays, IEEE Transactions on Wireless Communications, vol. 13, pp. 4440-4453, August 2014.

S. Timotheou, I. Krikidis, G. Zheng, and  B. Ottersten, Beamforming for MISO Interference Channels with QoS and RF Energy Transfer, IEEE Transactions on Wireless Communications, vol. 13, pp. 2646-2658, May 2014.

I. Krikidis, S. Sasaki, S. Timotheou, and Z. Ding, A low complexity antenna switching for joint wireless information and energy transfer in MIMO relay channels, IEEE Transactions on Communications, vol. 62, pp. 1577-1587, May 2014.

I. Krikidis, Simultaneous Information and Energy Transfer in Large-Scale Networks with/without Relaying, IEEE Transactions on Communications, vol. 62, pp. 900-912, March 2014.

H. A. Suraweera, I. Krikidis, G. Zheng, C. Yuen and P. J. Smith, Low-complexity end-to-end performance optimization in MIMO full-duplex relay systems, IEEE Transactions on Wireless Communications, vol. 13, pp. 913-927, Feb. 2014.

N. Nomikos, D. Vouyioukas, T. Charalambous, I. Krikidis, D. Skoutas and M. Johansson, Capacity and Delay Improvement through Buffer-Aided Successive Opportunistic Relaying, Trans. Emerging Telecommunications Technologies, 2013.

I. Krikidis and H. A. Suraweera, Full-duplex cooperative diversity with Alamouti space-time code, IEEE Wireless Communications Letters, vol. 2, pp. 519-522, Oct. 2013.

G. Zheng, I. Krikidis, J. Li, A. P. Petropulu, and B. Ottersten, Improving physical layer secrecy using full duplex jamming receiver, IEEE Transactions on Signal Processing, vol. 61, pp. 4962-4974, Oct. 2013.

G. Zheng, I. Krikidis, and B. Ottersten, Full-Duplex Cooperative Cognitive Radio with Transmit Imperfections,, IEEE Transactions on Wireless Communications, vol. 12, pp. 2498-2511, May 2013.

I. Krikidis and B. Ottersten, Diversity fairness in Tomlinson-Harashima precoded multiuser MIMO through retransmission, IEEE Signal Processing Letters, vol. 20, pp. 375- 378, April 2013.

I. Krikidis and B. Ottersten, Secrecy sum-rate for orthogonal random beamforming with opportunistic scheduling, IEEE Signal Processing Letters, vol. 20, pp. 141-144, Feb. 2013.

I. Krikidis, H. Suraweera, S. Yang, and K. Berberidis, Full-duplex relaying over block fading channel: A diversity perspective, IEEE Transactions on Wireless Communications, vol. 11, pp. 4524-4535, Dec. 2012.

I. Krikidis, H. Suraweera, P. J. Smith, and C. Yuen, Full-duplex relay selection for Amplify-and-Forward cooperative networks, IEEE Transactions on Wireless Communications, vol. 11, pp. 4524-4535, Dec. 2012.

Z. Ding, I. Krikidis, B. Rong, J. S. Thompson, C. Wang, and S. Yang, On combating the half-duplex constraint in modern cooperative networks: protocols and techniques, IEEE Wireless Communications Magazine, vol. 19, pp. 20-27, Dec. 2012.

I. Krikidis, S. Timotheou, and S. Sasaki, RF Energy Transfer for Cooperative Networks: Data Relaying or Energy Harvesting ?, IEEE Communications Letters, vol. 16, pp. 1772-1775, Nov. 2012.

A. Y. Al-nahari, I. Krikidis, A. S. Ibrahim, M. I. Dessouky, and F. E. A. El-Samie, Relaying techniques for enhancing the physical layer secrecy in cooperative networks with multiple eavesdroppers, Transactions on Emerging Telecommunications Technologies, doi: 10.1002/ett.2581, Nov. 2012.

G. Chen, V. M. Dwyer, I. Krikidis, J. S. Thompson, S. Mclaughlin, and J. A. Chambers, Comment on “Relay Selection for Secure Cooperative Networks with Jamming’’, IEEE Transactions on Wireless Communications, vol. 11, pp. 2351, June 2012.

I. Krikidis, T. Charalambous, and J. S. Thompson, Opportunistic finite buffer-aided relay selection without delay constraints, IEEE Transactions on Wireless Communications, vol. 11, pp. 1957-1967, May 2012.

I. Krikidis, Z. Ding, and C. D. Charalambous, Non-coherent energy detection with orthogonal signaling for an uncoded two-way relay channel, IEEE Transactions on Vehicular Technology, vol. 61, pp. 404-409, Jan. 2012.

I. Krikidis, T. Charalambous, and J. S. Thompson, Stability analysis and power optimization for energy harvesting cooperative networks, IEEE Signal Processing Letters, vol. 19, pp. 20–23, Jan. 2012.

I. Krikidis and J. S. Thompson, MIMO two-way relay channel with superposition coding and imperfect channel estimation, Elsevier Journal of Network and Computer Applications, vol. 35, pp. 510–516, Jan. 2012. (invited paper)

I. Krikidis, B. Rong, and A. Ephremides, Cooperation for multiple-access via Dynamic Decode-and-Forward, IEEE Transactions on Information Theory, vol. 57, pp. 7759–7770, Dec. 2011.

P. Xu, X. Dai, Z. Ding, I. Krikidis, K. K. Leung, Approaching MISO Upper Bound: Design of new wireless cooperative transmission protocols, IEEE Transactions on Wireless Communications, vol. 10, pp. 2725-2737, August 2011.

I. Krikidis, Stability analysis for bi-directional MABC-DF relay networks with bursty traffic, IEEE Transactions on Vehicular Technology, vol. 60, pp. 2844-2849, July 2011.

I. Krikidis, J. S. Thompson, S. McLaughlin, P. M. Grant, A feedback-based transmission for wireless networks with energy and secrecy constraints, EURASIP J. Wireless Commun. Netw., 2011.

C. Han, T. Harrold, S. Armour, S. Videv, I. Krikidis, J. Thompson, H. Haas, P. M. Grant, I. Ku and C.-X. Wang, T. A. Le, R. Nakhai, J. Zhang, and L. Hanzo, Green radio: radio techniques to enable energy efficient wireless networks, IEEE Communications Magazine, vol. 49, pp. 46-54, May 2011.

Z. Ding, I. Krikidis, J. S. Thompson, and K. Leung, Apply physical-layer network coding to the joint design of uplink and downlink transmissions, IEEE Transactions on Signal Processing, vol. 59, pp. 696-712, Feb. 2011.

I. Krikidis, Space alignment for cognitive transmission in MIMO uplink channels, EURASIP J. Wireless Commun. Netw., vol. 2010, Article ID 465157, 6 pages, 2010. doi:10.1155/2010/465157.

I. Krikidis, A SVD-Based Location Coding for Cognitive Radio in MIMO Uplink Channels, IEEE Communications Letters, vol. 14, pp. 912-914, Oct. 2010.

I. Krikidis, Relay Selection for Two-Way Relay Channels with MABC DF: A Diversity Perspective, IEEE Transactions on Vehicular Technology, vol. 59, pp. 4620-4628, Nov. 2010.

I. Krikidis, Opportunistic relay selection for cooperative networks with secrecy constraints, IET Communications, vol. 4, pp. 1787-1791, Oct. 2010.

I. Krikidis, Multi-level modulation for cognitive multi-access relay channel, IEEE Transactions on Vehicular Technology, vol. 59, pp. 3121-3125, July 2010.

I. Krikidis, J. S. Thompson, and S. McLaughlin, On the diversity order of non-orthogonal Amplify-and-Forward over block-fading channels, IEEE Transactions on Wireless Communications, vol. 9, pp. 1890-1900, June 2010.

I. Krikidis, N. Devroye, and J. S. Thompson, Stability analysis for cognitive radio with multi-access primary transmission, IEEE Transactions on Wireless Communications, vol. 9, pp. 72-77, Jan. 2010.

I. Krikidis, An architecture for Amplify-and-Forward cooperative systems with real modulations, International Journal on Communication Systems, Wiley, vol. 23, pp. 91-99, Jan. 2010.

I. Krikidis, Analysis and optimization issues for superposition modulation in cooperative networks, IEEE Transactions on Vehicular Technology, vol. 58, pp. 4837-4847, Nov. 2009.

I. Krikidis, J. S. Thompson, and S. McLaughlin, Relay selection for secure cooperative networks with jamming, IEEE Transactions on Wireless Communications, vol. 8, pp. 5003-5011, Oct. 2009.

I. Krikidis, J. N. Laneman, J. S. Thompson, and S. McLaughlin, Protocol design and throughput analysis for multi-user cognitive cooperative systems, IEEE Transactions on Wireless Communications, vol. 8, pp. 4740-4751, Sept. 2009.

I. Krikidis and J. S. Thompson, Opportunistic relay selection in cooperative systems with Dirty-Paper coding, IEEE Transactions on Vehicular Technology, vol. 58, pp. 3322-3332, Sept. 2009.

I. Krikidis, J. S. Thompson, S. McLaughlin, and N. Goertz, Max-Min relay selection for legacy Amplify-and-Forward systems with interference, IEEE Transactions on Wireless Communications, vol. 8, pp. 3016-3027, June 2009.

Y. Fan, I. Krikidis, C. Wang, J. S. Thompson, and H. V. Poor, High capacity relay protocols for wireless networks, KICS/IEEE Journal of Communications and Networks, (invited paper), vol. 11, pp. 194-204, April 2009.

I. Krikidis, S. Zhanwei, J. N. Laneman, and J. S. Thompson, Cognitive legacy networks via cooperative diversity, IEEE Communications Letters, vol. 13, pp. 106-108, Feb. 2009.

I. Krikidis, J. S. Thompson, S. McLaughlin, and N. Goertz, Optimization issues for cooperative Amplify-and-Forward systems over block-fading channels, IEEE Transactions on Vehicular Technology, vol. 57, pp. 2868-2884, Sept. 2008.

I. Krikidis, J. S. Thompson, and N. Goertz, A Cross-Layer Approach for Cooperative Networks, IEEE Transactions on Vehicular Technology, vol. 57, 3257-3263, Sept. 2008.

I. Krikidis, J. S. Thompson, S. McLaughlin, and N. Goertz, Amplify-and-Forward with partial relay selection, IEEE Communications Letters, vol. 12, pp. 235-237, April 2008.

I. Krikidis, A distributed truncated ARQ protocol for Amplify-and-Forward systems, IET Communications, vol. 1, pp. 1212-1217, Dec. 2007

I. Krikidis and J. -C. Belfiore, Scheduling for Amplify-and-Forward cooperative networks, IEEE Transactions on Vehicular Technology, vol. 56, pp. 3780-3790, Nov. 2007.

I. Krikidis and J. -C. Belfiore, Three scheduling schemes for Amplify-and-Forward relay environments, IEEE Communications Letters, vol. 5, pp. 414-416, May 2007.

I. Krikidiss, J.-L. Danger, and L. Naviner, An iterative reconfigurability approach for WCDMA high-data-rate communications, IEEE Wireless Communications, vol. 13, pp. 8-14, June 2006.

I. Krikidis, J. -L. Danger, and L. Naviner, Flexible and reconfigurable receiver architecture for WCDMA systems with low spreading factors, IEE Electronics Letters, vol. 41, pp. 22-24, Jan. 2005.