All Stories

  1. Low Complexity Decoding of Reed-Solomon Codes over Magnetic Recording Channels

    Article • Electronics Letters, November 2018, the Institution of Engineering and Technology (the IET)

    George K. Karagiannidis

  2. Free Space Optical Communications with Distributed Switch-and-Stay Combining

    Article • IET Communications, January 2018, the Institution of Engineering and Technology (the IET)

    Dr Imran Shafique Ansari, George K. Karagiannidis, Juhi Gupta, Vikram Karwal

  3. Performance of FSO communications over a mixture composite irradiance channel

    Article • Electronics Letters, December 2016, the Institution of Engineering and Technology (the IET)

    George K. Karagiannidis

  4. wireless communications

    Article • IET Communications, September 2016, the Institution of Engineering and Technology (the IET)

    George K. Karagiannidis

  5. Energy Detection Spectrum Sensing Under RF Imperfections

    Article • IEEE Transactions on Communications, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  6. On the Private Key Capacity of the $M$ -Relay Pairwise Independent Network

    Article • IEEE Transactions on Information Theory, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  7. Two-Timeslot Two-Way Full-Duplex Relaying for 5G Wireless Communication Networks

    Article • IEEE Transactions on Communications, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  8. I/Q-Imbalance Self-Interference Coordination

    Article • IEEE Transactions on Wireless Communications, June 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  9. Simultaneously Generating Secret and Private Keys in a Cooperative Pairwise-Independent Network

    Article • IEEE Transactions on Information Forensics and Security, June 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  10. OFDM-IM vs FQAM: A comparative analysis

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  11. Karagiannidis

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  12. Outage probability under I/Q imbalance and cascaded fading effects

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  13. Improving the Security of Cooperative Relaying Networks with Multiple Antennas

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  14. Optimal design of non-orthogonal multiple access with wireless power transfer

    Article • May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  15. On the Higher Order Statistics of the Channel Capacity in Dispersed Spectrum Cognitive Radio Systems Over Generalized Fading Channels

    Article • IEEE Transactions on Vehicular Technology, May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  16. Outage Performance of Cognitive Relay Networks With Wireless Information and Power Transfer

    Article • IEEE Transactions on Vehicular Technology, May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  17. On the Multivariate Gamma–Gamma Distribution With Arbitrary Correlation and Applications in Wireless Communications

    Article • IEEE Transactions on Vehicular Technology, May 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  18. On the effects of I/Q imbalance on sensing performance in full-duplex cognitive radios

    Article • April 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  19. Error Rate and Power Allocation Analysis of Regenerative Networks Over Generalized Fading Channels

    Article • IEEE Transactions on Communications, April 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  20. Full-Duplex Spectrum Sharing in Cooperative Single Carrier Systems

    Article • IEEE Transactions on Cognitive Communications and Networking, March 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  21. An Improved Threshold-Based Channel Selection Scheme for Wireless Communication Systems

    Article • IEEE Transactions on Wireless Communications, February 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  22. On the Performance of Non-orthogonal Multiple Access Systems With Partial Channel Information

    Article • IEEE Transactions on Communications, February 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  23. How much does I/Q Imbalance affect Secrecy Capacity?

    Article • IEEE Communications Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  24. Spectrum Sensing with Multiple Primary Users over Fading Channels

    Article • IEEE Communications Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  25. Joint Antenna and Relay Selection Strategies for Decode-and-Forward Relay Networks

    Article • IEEE Transactions on Vehicular Technology, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  26. Backhaul-Aware Joint Traffic Offloading and Time Fraction Allocation for 5G HetNets

    Article • IEEE Transactions on Vehicular Technology, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  27. Energy Detection of Unknown Signals Over Cascaded Fading Channels

    Article • IEEE Antennas and Wireless Propagation Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  28. Non-Orthogonal Multiple Access for Visible Light Communications

    Article • IEEE Photonics Technology Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  29. Wireless Networks with Energy Harvesting and Power Transfer: Joint Power and Time Allocation

    Article • IEEE Signal Processing Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  30. Transmit Antenna Selection in Cognitive MIMO Relaying With Multiple Primary Transceivers

    Article • IEEE Transactions on Vehicular Technology, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  31. Physical Layer Security with Uncertainty on the Location of the Eavesdropper

    Article • IEEE Wireless Communications Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  32. Fairness of User Clustering in MIMO Non-Orthogonal Multiple Access Systems

    Article • IEEE Communications Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  33. A Tractable Model for Turbulence and Misalignment Induced Fading in Optical Wireless Systems

    Article • IEEE Communications Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  34. Effects of RF Impairments in Communications over Cascaded Fading Channels

    Article • IEEE Transactions on Vehicular Technology, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  35. Spectrum Sensing in Full–Duplex Cognitive Radio Networks under Hardware Imperfections

    Article • IEEE Transactions on Vehicular Technology, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  36. Secure Transmission in Cooperative Relaying Networks with Multiple Antennas

    Article • IEEE Transactions on Wireless Communications, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  37. A Survey on Mobile Anchor Node Assisted Localization in Wireless Sensor Networks

    Article • IEEE Communications Surveys & Tutorials, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  38. A Minorization-Maximization Method for Optimizing Sum Rate in the Downlink of Non-Orthogonal Multiple Access Systems

    Article • IEEE Transactions on Signal Processing, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  39. On the Design of Multiuser Codebooks for Uplink SCMA Systems

    Article • IEEE Communications Letters, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  40. On the Application of Quasi-Degradation to MISO-NOMA Downlink

    Article • IEEE Transactions on Signal Processing, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  41. On Secrecy Performance of Antenna-Selection-Aided MIMO Systems Against Eavesdropping

    Article • IEEE Transactions on Vehicular Technology, January 2016, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  42. Outage Probability Analysis of Full-Duplex Regenerative Relaying over Generalized Asymmetric Fading Channels

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  43. Switch-and-Stay Combining Relaying for Security Enhancement in Cognitive Radio Networks

    Article • December 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  44. Entropy and Channel Capacity under Optimum Power and Rate Adaptation over Generalized Fading Conditions

    Article • IEEE Signal Processing Letters, November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  45. Guest Editorial Location-Awareness for Radios and Networks, Part II

    Article • IEEE Journal on Selected Areas in Communications, November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  46. Two-Way Relay Selection in Multiple Relayed FSO Networks

    Article • IEEE Wireless Communications Letters, October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  47. Analytic symbol error rate evaluation of M-PSK based regenerative cooperative networks over generalized fading channels

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  48. Outage probability analysis of dual-hop full-duplex decode-and-forward relaying over generalized multipath fading conditions

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  49. Performance analysis of energy detection over mixture gamma based fading channels with diversity reception

    Article • October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  50. Solutions to Integrals Involving the Marcum $Q$-Function and Applications

    Article • IEEE Signal Processing Letters, October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  51. Efficient Machine Learning for Big Data: A Review

    Article • Big Data Research, September 2015, Elsevier

    George K. Karagiannidis

  52. Big Data Analytics for Dynamic Energy Management in Smart Grids

    Article • Big Data Research, September 2015, Elsevier

    George K. Karagiannidis

  53. MU-MIMO precoding for VLC with imperfect CSI

    Article • September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  54. Mixed RF/FSO Relaying With Outdated Channel State Information

    Article • IEEE Journal on Selected Areas in Communications, September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  55. Throughput-Optimal Link-Layer Design in Power Constrained Hybrid OW/RF Systems

    Article • IEEE Journal on Selected Areas in Communications, September 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  56. The effects of RF impairments in vehicle-to-vehicle communications

    Article • August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  57. Energy-efficiency analysis of regenerative cooperative systems under spatial correlation

    Article • August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  58. The η — μ / inverse gamma composite fading model

    Article • August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  59. The K — μ / inverse gamma fading model

    Article • August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  60. Unified analysis of cooperative spectrum sensing over generalized multipath fading channels

    Article • August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  61. Throughput Maximization in Multicarrier Wireless Powered Relaying Networks

    Article • IEEE Wireless Communications Letters, August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  62. On the Security of Cognitive Radio Networks

    Article • IEEE Transactions on Vehicular Technology, August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  63. Solar Lab Notebook (SLN): An Ultra-Portable Web-Based System for Heliophysics and High-Security Labs

    Article • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, August 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  64. Guest Editorial Location-Awareness for Radios and Networks, Part I

    Article • IEEE Journal on Selected Areas in Communications, July 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  65. Partial Relay Selection With Outdated Channel State Estimation in Mixed RF/FSO Systems

    Article • Journal of Lightwave Technology, July 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  66. Optimal cooperative spectrum sensing over composite fading channels

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  67. Wireless powered dual-hop multiple antenna relay transmission in the presence of interference

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  68. Energy detection under RF impairments for cognitive radio

    Article • June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  69. Autonomous Energy Harvesting Base Stations With Minimum Storage Requirements

    Article • IEEE Wireless Communications Letters, June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  70. Cloud Compute-and-Forward With Relay Cooperation

    Article • IEEE Transactions on Wireless Communications, June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  71. A Generalized Mixture of Gaussians for Fading Channels

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  72. Differential distributed space-time coding for vehicle-to-vehicle networks

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  73. The role of motivation and metacognition on the development of cognitive and affective responses in physical education les-sons: A self-determination approach

    Article • Motricidade, April 2015, Revista Motricidade

    George K. Karagiannidis

  74. RF-powered cognitive radio networks: technical challenges and limitations

    Article • IEEE Communications Magazine, April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  75. Full-duplex spectrum sharing in cooperative single carrier systems

    Article • March 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  76. Editorial Note and Reviewer Appreciation Program 2014 By George K. Karagiannidis, Editor-in-Chief

    Article • IEEE Communications Letters, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  77. Optimum Wirelessly Powered Relaying

    Article • IEEE Signal Processing Letters, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  78. Mixed RF/FSO Relaying with Outdated Channel State Information

    Article • IEEE Journal on Selected Areas in Communications, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  79. Modeling and Analysis of Wireless Channels via the Mixture of Gaussian Distribution

    Article • IEEE Transactions on Vehicular Technology, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  80. Hybrid millimeter-wave systems: a novel paradigm for hetnets

    Article • IEEE Communications Magazine, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  81. Unified Analysis of Cooperative Spectrum Sensing over Composite and Generalized Fading Channels

    Article • IEEE Transactions on Vehicular Technology, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  82. The area under a receiver operating characteristic curve over enriched multipath fading conditions

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  83. Secure multiuser multiple amplify-and-forward relay networks in presence of multiple eavesdroppers

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  84. Interference minimization in hybrid WiFi/cellular networks

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  85. Switch-and-Stay Combining Relaying for Security Enhancement in Cognitive Radio Networks

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  86. Outage Probability Analysis of Full-Duplex Regenerative Relaying over Generalized Asymmetric Fading Channels

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  87. Analytic Expressions and Bounds for Special Functions and Applications in Communication Theory

    Article • IEEE Transactions on Information Theory, December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  88. Minimizing power consumption in HetNets with packet delay constraints

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  89. Green media: the future of wireless multimedia networks [Guest Editorial]

    Article • IEEE Wireless Communications, August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  90. Inter-band carrier aggregation in heterogeneous networks: Design and assessment

    Article • August 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  91. Multiuser dual-hop relaying over mixed RF/FSO links

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  92. An efficient power constrained transmission scheme for hybrid OW/RF systems

    Article • June 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  93. Multiuser Relaying over Mixed RF/FSO Links

    Article • IEEE Transactions on Communications, May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  94. OFDM Opportunistic Relaying Under Joint Transmit/Receive I/Q Imbalance

    Article • IEEE Transactions on Communications, May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  95. Compute-and-forward with relay selection: A cooperative game

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  96. Low-complexity PHY-layer network coding for two-way compute-and-forward relaying

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  97. On the optimal solution for BER performance improvement in dual-hop OFDM relay systems

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  98. Block error rate of optical wireless communication systems over atmospheric turbulence channels

    Article • IET Communications, March 2014, the Institution of Engineering and Technology (the IET)

    George K. Karagiannidis

  99. Cooperative spectrum sharing systems with relay selection in the presence of multiple primary receivers

    Article • IET Communications, March 2014, the Institution of Engineering and Technology (the IET)

    George K. Karagiannidis, Theodoros Tsiftsis

  100. Correction to "Two-Way AF Relaying in the Presence of Co-Channel Interference" [Aug 13 3156-3169]

    Article • IEEE Transactions on Communications, March 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  101. Smart Decode-and-Forward Relaying with Polar Codes

    Article • IEEE Wireless Communications Letters, February 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  102. Editorial note and Reviewer Appreciation Program 2013

    Article • IEEE Communications Letters, January 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  103. Analytic Solutions to a Marcum Q−Function-Based Integral and Application in Energy Detection of Unknown Signals over Multipath Fading Channels

    Article • January 2014, Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (ICST)

    George K. Karagiannidis

  104. Multiuser and Multirelay Cognitive Radio Networks Under Spectrum-Sharing Constraints

    Article • IEEE Transactions on Vehicular Technology, January 2014, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  105. Smart hybrid power system for base transceiver stations with real-time energy management

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  106. Cognitive MIMO relaying with multiple primary transceivers

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  107. Two-way interference-limited AF relaying over Nakagami-m fading channels

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  108. Cognitive cooperative networks in dual-hop asymmetric fading channels

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  109. Distributed switch-and-stay combining in cognitive relay networks under spectrum sharing constraints

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  110. An efficient algorithm for space-time block code classification

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  111. Channel level crossing-based security for communications over fading channels

    Article • IET Information Security, September 2013, the Institution of Engineering and Technology (the IET)

    George K. Karagiannidis

  112. How sensitive is compute-and-forward to channel estimation errors?

    Article • July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  113. A theoretical limit for the ML performance of MIMO systems based on lattices

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  114. Gallager's error exponent analysis of STBC systems over η-μ fading channels

    Article • June 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  115. Two-way interference-limited AF relaying with selection-combining

    Article • May 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  116. Error Performance of Multidimensional Lattice Constellations—Part II: Evaluation over Fading Channels

    Article • IEEE Transactions on Communications, March 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  117. Gallager's Exponent Analysis of STBC MIMO Systems over η-μ and κ-μ Fading Channels

    Article • IEEE Transactions on Communications, March 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  118. On the Effect of Outdated Channel Estimation in Variable Gain Relaying: Error Performance and PAPR

    Article • IEEE Transactions on Wireless Communications, March 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  119. Error Performance of Multidimensional Lattice Constellations—Part I: A Parallelotope Geometry Based Approach for the AWGN Channel

    Article • IEEE Transactions on Communications, March 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  120. The Diversity Potential of Relay Selection with Practical Channel Estimation

    Article • IEEE Transactions on Wireless Communications, February 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  121. Guest Editorial: Large-Scale Multiple Antenna Wireless Systems

    Article • IEEE Journal on Selected Areas in Communications, February 2013, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  122. Relay Selection Protocols for Relay-Assisted Free-Space Optical Systems

    Article • Journal of Optical Communications and Networking, December 2012, Optical Society of America (OSA)

    George K. Karagiannidis

  123. New solution for BER performance improvement of OFDM AF relay systems

    Article • November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  124. Joint Estimation of Channel and Oscillator Phase Noise in MIMO Systems

    Article • IEEE Transactions on Signal Processing, September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  125. Dual-hop amplify-and-forward transmission with imperfect channel estimates at the relay

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  126. Time-varying phase noise and channel estimation in MIMO systems

    Article • June 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  127. Amplify-and-Forward Relay Selection with Outdated Channel Estimates

    Article • IEEE Transactions on Communications, May 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  128. Capacity Bounds for AF Dual-hop Relaying in ${\cal G}$ Fading Channels

    Article • IEEE Transactions on Vehicular Technology, May 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  129. A universal MIMO approach for 3GPP wireless standards

    Article • April 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  130. New analytical framework for the products of independent RVs with wireless applications

    Article • April 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  131. Attenuation over distance and excess path loss for a large-area indoor commercial topology at 2.4 GHz

    Article • April 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  132. A combinatorial geometrical approach to the error performance of multidimensional finite lattice constellations

    Article • April 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  133. On the Inverse Gaussian modeling of rainfall rate and slant path and terrestrial links rain attenuation

    Article • March 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  134. Novel Approximations to the Statistics of Products of Independent Random Variables and Their Applications in Wireless Communications

    Article • IEEE Transactions on Vehicular Technology, February 2012, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  135. Mean level signal crossing rate for an arbitrary stochastic process: comment

    Article • Journal of the Optical Society of America A, January 2012, Optical Society of America (OSA)

    George K. Karagiannidis

  136. Mean level signal crossing rate for an arbitrary stochastic process: comment

    Article • Journal of the Optical Society of America A, January 2012, Optical Society of America (OSA)

    George K. Karagiannidis

  137. Performance analysis of space-time block codes over generalized-K fading MIMO channels

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  138. Generic Ergodic Capacity Bounds for Fixed-Gain AF Dual-Hop Relaying Systems

    Article • IEEE Transactions on Vehicular Technology, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  139. Cooperative Diversity With Mobile Nodes: Capacity Outage Rate and Duration

    Article • IEEE Transactions on Information Theory, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  140. Neural network based PHY-layer key exchange for wireless communications

    Article • September 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  141. Recent advances in cooperative communications for wireless systems

    Article • Physical Communication, September 2011, Elsevier

    George K. Karagiannidis

  142. Fixed Gain Amplify-and-Forward Relaying with Co-Channel Interference

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  143. Diversity Combining in Hybrid RF/FSO Systems with PSK Modulation

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  144. Relay Selection with Outdated Channel Estimates in Nakagami-m Fading

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  145. Outage Rate and Outage Duration of Decode-and-Forward Cooperative Diversity Systems

    Article • June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  146. ZF Detectors over Correlated K Fading MIMO Channels

    Article • IEEE Transactions on Communications, June 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  147. On the sum rate of ZF detectors over correlated K fading MIMO channels

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  148. Average outage and non-outage duration of selective decode-and-forward relaying

    Article • May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  149. Adaptive Subcarrier PSK Intensity Modulation in Free Space Optical Systems

    Article • IEEE Transactions on Communications, May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  150. On the Distribution of the Sum of Gamma-Gamma Variates and Applications in RF and Optical Wireless Communications

    Article • IEEE Transactions on Communications, May 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  151. Partially Coherent EGC Reception of Uncoded and LDPC-Coded Signals over Generalized Fading Channels

    Article • Wireless Personal Communications, April 2011, Springer Science + Business Media

    George K. Karagiannidis

  152. A New Lower Bound on the Ergodic Capacity of Distributed MIMO Systems

    Article • IEEE Signal Processing Letters, April 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  153. On the inverse-Gaussian shadowing

    Article • March 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  154. Effect of Feedback Delay on Amplify-and-Forward Relay Networks With Beamforming

    Article • IEEE Transactions on Vehicular Technology, March 2011, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  155. Optical Wireless Communications with Adaptive Subcarrier PSK Intensity Modulation

    Article • December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  156. Average Spectral Efficiency of Opportunistic QRD-Based Cyclic Prefixed Single-Carrier Cooperative Diversity Systems with Power Allocation

    Article • December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  157. Amplify-and-Forward Relay Selection with Outdated Channel State Information

    Article • December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  158. Generalized Maximum-Likelihood Sequence Detection for Photon-Counting Free Space Optical Systems

    Article • IEEE Transactions on Communications, December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  159. Mutual Information Statistics and Beamforming Performance Analysis of Optimized LoS MIMO Systems

    Article • IEEE Transactions on Communications, November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  160. On the Capacity of Generalized- $K$ Fading MIMO Channels

    Article • IEEE Transactions on Signal Processing, November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  161. Bypassing Orthogonal Relaying Transmissions via Spatial Signal Separation

    Article • IEEE Transactions on Communications, October 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  162. Average rate and outage probability of cyclic prefixed single-carrier opportunistic cooperative diversity systems

    Article • September 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  163. Selective Cooperative Relaying over Time-Varying Channels

    Article • IEEE Transactions on Communications, August 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  164. Increasing the Efficiency of Rake Receivers for Ultra-Wideband Applications

    Article • Wireless Personal Communications, July 2010, Springer Science + Business Media

    George K. Karagiannidis

  165. On the Effect of Imperfect Cophasing in MRC and EGC Receivers Over Correlated Weibull Fading

    Article • Wireless Personal Communications, May 2010, Springer Science + Business Media

    George K. Karagiannidis

  166. Variable-rate M-PSK communications without channel amplitude estimation

    Article • IEEE Transactions on Communications, May 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  167. Switching Rate in Selective Cooperative Relaying

    Article • April 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  168. Amplify-and-Forward Relay Transmission with End-to-End Antenna Selection

    Article • April 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  169. θ-QAM: A parametric quadrature amplitude modulation family and its performance in AWGN and fading channels

    Article • IEEE Transactions on Communications, April 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  170. Performance Evaluation of OFDM Amplify-and-Forward Relay System with Subcarrier Permutation

    Article • IEICE Transactions on Communications, January 2010, Institute of Electronics, Information and Communications Engineers (IEICE)

    George K. Karagiannidis

  171. Optimized “better than” raised-cosine pulse for reduced ICI in OFDM systems

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  172. Relaying utilization metrics of diamond cooperative diversity systems

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  173. New results on turbulence modeling for free-space optical systems

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  174. An efficient approximation to the correlated Nakagami-m sums and its application in equal gain diversity receivers

    Article • IEEE Transactions on Wireless Communications, January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  175. Guest editorial: optical wireless communications

    Article • IEEE Journal on Selected Areas in Communications, December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  176. Effect of Feedback Delay on Downlink Amplify-and-Forward Relaying with Beamforming

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  177. Adaptive M-PSK Communications in the Absence of Channel Gain Estimation

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  178. On the Distribution of the Sum of Gamma-Gamma Variates and Application in MIMO Optical Wireless Systems

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  179. Performance Analysis of Variable-Angle Quadrature Amplitude Constellations

    Article • October 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  180. On the Monotonicity of the Generalized Marcum and Nuttall ${Q}$ -Functions

    Article • IEEE Transactions on Information Theory, August 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  181. On the second order statistics of the multihop rayleigh fading channel

    Article • IEEE Transactions on Communications, June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  182. On the Impact of Imperfect Cophasing in Uncoded and LDPC-Coded EGC Receivers over Generalized Fading Channels

    Article • April 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  183. Two hop amplify-and-forward transmission in mixed rayleigh and rician fading channels

    Article • IEEE Communications Letters, April 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  184. Optical wireless links with spatial diversity over strong atmospheric turbulence channels

    Article • IEEE Transactions on Wireless Communications, February 2009, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  185. Advanced Optical Wireless Communication Systems

    Article • January 2009, Cambridge University Press

    George K. Karagiannidis

  186. Adaptive generalized selection combining (A-GSC) receivers

    Article • IEEE Transactions on Wireless Communications, December 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  187. Multi-user selection diversity for spread-spectrum multi-carrier multiple-access systems

    Article • IEEE Transactions on Communications, December 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  188. Increasing power efficiency in transmitter diversity systems under error performance constraints

    Article • IEEE Transactions on Communications, December 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  189. Two-relay distributed switch and stay combining

    Article • IEEE Transactions on Communications, November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  190. Two-parameter Nyquist pulses with better performance

    Article • IEEE Communications Letters, November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  191. Level crossing rate and average fade duration of the double Nakagami-m random process and application in MIMO keyhole fading channels

    Article • IEEE Communications Letters, November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  192. Symbol error probability of decode and forward cooperative diversity in Nakagami-m fading channels

    Article • Journal of the Franklin Institute, October 2008, Elsevier

    George K. Karagiannidis

  193. Capacity performance analysis of M-ary PPM TH-UWB systems in the presence of narrowband interference

    Article • Journal of Communications and Networks, September 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  194. Lower and upper bounds for the generalized Marcum and Nuttall Q-functions

    Article • May 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  195. Distributed Transmit Antenna Selection (DTAS) Under Performance or Energy Consumption Constraints

    Article • IEEE Transactions on Wireless Communications, April 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  196. PHY-layer Fairness in Amplify and Forward Cooperative Diversity Systems

    Article • IEEE Transactions on Wireless Communications, March 2008, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  197. Preference-based decision making for personalised access to Learning Resources

    Article • International Journal of Autonomous and Adaptive Communications Systems, January 2008, Inderscience Publishers

    George K. Karagiannidis

  198. Distributed Space-Time Systems

    Article • EURASIP Journal on Advances in Signal Processing, January 2008, Springer Science + Business Media

    George K. Karagiannidis

  199. A Deterministic Simulation Model for Sojourn Time in Urban Cells with Square Street Geometry

    Article • International Journal of Vehicular Technology, January 2008, Hindawi Publishing Corporation

    George K. Karagiannidis

  200. Time Synchronization Issues for Quasi-Orthogonal Space-Time Block Codes

    Article • September 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  201. Channel Quality Estimation Index (CQEI): A Long-Term Performance Metric for Fading Channels and an Application in EGC Receivers

    Article • IEEE Transactions on Wireless Communications, September 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  202. Blind Ratio Combining (BRC): An Optimum Diversity Receiver for Coherent Detection With Unknown Fading Amplitudes

    Article • IEEE Transactions on Communications, September 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  203. An Improved Approximation for the Gaussian Q-Function

    Article • IEEE Communications Letters, August 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  204. $N{\ast}$Nakagami: A Novel Stochastic Model for Cascaded Fading Channels

    Article • IEEE Transactions on Communications, August 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  205. Gain Adaptation Policies for Dual-Hop Nonregenerative Relayed Systems

    Article • IEEE Transactions on Communications, August 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  206. Blind Ratio Combining (BRC): An Optimum Diversity Receiver for Coherent Detection With Unknown Fading Amplitudes

    Article • IEEE Transactions on Communications, August 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  207. On Decoupling of Quasi-Orthogonal Space-Time Block Codes based on Inherent Structure

    Article • July 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  208. Distributed Switch and Stay Combining (DSSC) with a Single Decode and Forward Relay

    Article • IEEE Communications Letters, May 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  209. Comments on “Average LCR and AFD for SC diversity over correlated Weibull fading channels”

    Article • Wireless Personal Communications, April 2007, Springer Science + Business Media

    George K. Karagiannidis

  210. Another Look at Multibranch Switched Diversity Systems

    Article • IEEE Communications Letters, April 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  211. Equal-Gain Combining with Unequal Energy Constellations

    Article • IEEE Transactions on Wireless Communications, March 2007, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  212. Investigations in Satellite MIMO Channel Modeling: Accent on Polarization

    Article • EURASIP Journal on Wireless Communications and Networking, January 2007, Springer Science + Business Media

    George K. Karagiannidis

  213. A closed-form solution for the distribution of the sum of Nakagami-m random phase vectors

    Article • IEEE Communications Letters, December 2006, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  214. WLC41-1: An Optimized User Selection Method for Cooperative Diversity Systems

    Article • November 2006, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  215. On the symbol error probability of general order rectangular qam in nakagami-m fading

    Article • IEEE Communications Letters, November 2006, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  216. Switched Diversity Receivers over Correlated Weibull Fading Channels

    Article • September 2006, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  217. Multihop Free-Space Optical Communications Over Strong Turbulence Channels

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis, Theodoros Tsiftsis

  218. Optimal Relay Control in Power-Constrained Dual-Hop Transmissions over Arbitrary Fading Channels

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  219. Wireless Transmissions with Combined Gain Relays over Fading Channels

    Article • January 2006, Springer Science + Business Media

    George K. Karagiannidis, Theodoros Tsiftsis

  220. Multiuser Cooperative Diversity for Wireless Networks

    Article • EURASIP Journal on Wireless Communications and Networking, January 2006, Springer Science + Business Media

    George K. Karagiannidis

  221. Nonregenerative Dual-Hop Cooperative Links with Selection Diversity

    Article • EURASIP Journal on Wireless Communications and Networking, January 2006, Springer Science + Business Media

    George K. Karagiannidis, Theodoros Tsiftsis

  222. A New MAC Protocol with Pseudo-TDMA Behavior for Supporting Quality of Service in 802.11 Wireless LANs

    Article • EURASIP Journal on Wireless Communications and Networking, January 2006, Springer Science + Business Media

    George K. Karagiannidis

  223. Average output SNR of equal-gain diversity receivers over correlative Weibull fading channels

    Article • European Transactions on Telecommunications, January 2005, Wiley

    George K. Karagiannidis

  224. A Prospective Randomized Observer-Blind 2-Year Trial of Azathioprine Monotherapy versus Azathioprine and Olsalazine for the Maintenance of Remission of Steroid-Dependent Ulcerative Colitis

    Article • The American Journal of Gastroenterology, June 2004, Nature

    George K. Karagiannidis

  225. Average channel capacity for generalized-selection combining RAKE receivers

    Article • European Transactions on Telecommunications, January 2004, Wiley

    George K. Karagiannidis

  226. Corrections and clarifications to "On the distribution of the weighted sum of l independent Rician and Nakagami envelopes in the presence of AWGN"

    Article • Journal of Communications and Networks, December 2001, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  227. On the distribution of the weighted sum of L independent Rician and Nakagami envelopes in the presence of AWGN

    Article • Journal of Communications and Networks, June 2001, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  228. Outage probability analysis for a nakagami signal in L nakagami interferers

    Article • European Transactions on Telecommunications, March 2001, Wiley

    George K. Karagiannidis

  229. On optimal cell planning: Case study for a DCS 1800 system

    Article • International Journal of Communication Systems, January 2001, Wiley

    George K. Karagiannidis

  230. Outage probability analysis for a Rician signal in L Nakagami interferers with arbitrary parameters

    Article • Journal of Communications and Networks, March 1999, Institute of Electrical & Electronics Engineers (IEEE)

    George K. Karagiannidis

  231. Introduction

    Article • Cambridge University Press

    George K. Karagiannidis

  232. Diversity Combining for Cooperative Communications

    Article • IGI Global

    George K. Karagiannidis