All Stories

  1. Performance of M -ary Pulse Position Modulated Underwater OWC Links with Turbulence and Path Loss Effects

    Article • IEEE Access, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  2. Enhancing Physical Layer Security in IoT-Based RF-FSO Integrated Networks: Multi-RIS Structures and their Impact on Secure Communication

    Article • IEEE Open Journal of the Communications Society, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  3. Design and Performance Analysis of Hybrid FSO/THz Relay with Aerial RIS for Future NTN-Integrated 6G Wireless Communications

    Article • IEEE Internet of Things Journal, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  4. A Strategic Game-Theoretic Fusion of Bertrand Competition and Stackelberg Leadership for Secure Cooperative Communications

    Article • IEEE Open Journal of the Communications Society, January 2026, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  5. RIS Equipped AAV Swarm: Shadowed Aerial-to-Ground Channel Characterization

    Article • IEEE Transactions on Vehicular Technology, November 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  6. AoI Analysis in Energy Harvesting IoT Systems With ARQ and TARQ

    Article • IEEE Internet of Things Journal, July 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  7. Achieving Covertness in Cooperative Systems With Power Allocation

    Article • IEEE Internet of Things Journal, May 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  8. Secrecy Performance Analysis of Integrated RF-UOWC IoT Networks Enabled by UAV and Underwater RIS

    Article • IEEE Internet of Things Journal, February 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  9. Active, Passive, and Absorptive RIS-Aided 6G Network Under Non-Orthogonal CCI

    Article • IEEE Open Journal of Vehicular Technology, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  10. Trajectory and Power Design for Aerial CRNs With Colluding Eavesdroppers

    Article • IEEE Transactions on Vehicular Technology, December 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  11. Outage analysis of aerial semi-grant-free NOMA systems

    Article • Digital Communications and Networks, October 2024, Elsevier

    Dr Imran Shafique Ansari

  12. Performance Analysis of Mixed Underwater Acoustic/Optical Relaying Systems

    Article • IEEE Transactions on Wireless Communications, September 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Associate Professor Xingwang Li

  13. DDPG-Based Aerial Secure Data Collection

    Article • IEEE Transactions on Communications, August 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  14. Trajectory and Power Design for Aerial Multi-User Covert Communications

    Article • IEEE Transactions on Aerospace and Electronic Systems, August 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  15. Effects of co-channel interference on RIS empowered wireless networks amid multiple eavesdropping attempts

    Article • ICT Express, June 2024, Elsevier

    Dr Imran Shafique Ansari

  16. An RIS-Empowered THz-UWO Relay System for Air-to-Underwater Mixed Network: Performance Analysis With Pointing Errors

    Article • IEEE Internet of Things Journal, May 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  17. On Secure mmWave RSMA Systems

    Article • IEEE Internet of Things Journal, May 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  18. This work surveys cyber resilience and its frameworks.

    Article • ACM Computing Surveys, April 2024, ACM (Association for Computing Machinery)

    Saleh Mohamed AlHidaifi, Muhammad Rizwan Asghar, Dr Imran Shafique Ansari

  19. On Secure NOMA-Aided Semi-Grant-Free Systems

    Article • IEEE Transactions on Wireless Communications, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  20. Physical-Layer Security in Mixed UOWC-RF Networks With Energy Harvesting Relay Against Multiple Eavesdroppers

    Article • IEEE Open Journal of the Communications Society, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  21. Relay-Aided Uplink NOMA Under Non-Orthogonal CCI and Imperfect SIC in 6G Networks

    Article • IEEE Open Journal of Vehicular Technology, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  22. Effects of Eavesdropper on the Performance of Mixed $\eta$–$\mu$ and DGG Cooperative Relaying System

    Article • IEEE Systems Journal, September 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  23. Performance Analysis of Uplink Non-Orthogonal Multiple Access in the Presence of Co-Channel Interference

    Article • IEEE Transactions on Vehicular Technology, September 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  24. Secrecy Outage Performance Analysis for Uplink CR-NOMA Systems With Hybrid SIC

    Article • IEEE Internet of Things Journal, August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  25. Joint Trajectory Design and User Scheduling for Secure Aerial Underlay IoT Systems

    Article • IEEE Internet of Things Journal, August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  26. On the Performance of the UAV RIS-Assisted Dual-Hop PLC-RF Systems

    Article • IEEE Transactions on Vehicular Technology, August 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  27. Distributionally robust optimization based chance-constrained energy management for hybrid energy powered cellular networks

    Article • Digital Communications and Networks, June 2023, Elsevier

    Dr Imran Shafique Ansari

  28. Secrecy Outage Performance Analysis of Dual-Hop RF-UOWC Systems

    Article • IEEE Systems Journal, June 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  29. On Effective Secrecy Throughput of Underlay Spectrum Sharing $\alpha -\mu$/ Málaga Hybrid Model Under Interference-and-Transmit Power Constraints

    Article • IEEE Photonics Journal, April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  30. Secrecy Performance of α−κ

    Article • ICT Express, April 2023, Elsevier

    Dr Imran Shafique Ansari

  31. Filter Design and Power Allocation for Uplink Time-Reversal NOMA

    Article • IEEE Transactions on Communications, April 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  32. Outage Analysis of Millimeter Wave RSMA Systems

    Article • IEEE Transactions on Communications, March 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  33. On the Physical Layer Security Performance Over RIS-Aided Dual-Hop RF-UOWC Mixed Network

    Article • IEEE Transactions on Vehicular Technology, February 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  34. On Secure CDRT With NOMA and Physical-Layer Network Coding

    Article • IEEE Transactions on Communications, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  35. Enhancing Physical Layer Secrecy Performance for RIS-Assisted RF-FSO Mixed Wireless System

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  36. RIS-Aided Mixed RF-FSO Wireless Networks: Secrecy Performance Analysis With Simultaneous Eavesdropping

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  37. Enhancing Security of TAS/MRC-Based Mixed RF-UOWC System With Induced Underwater Turbulence Effect

    Article • IEEE Systems Journal, December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  38. Trajectory Design and Communication Resources Allocation for Wireless Powered Secure UAV Communication Systems

    Article • IEEE Systems Journal, December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  39. Performance Analysis of Dual-Hop Hybrid RF-UOWC NOMA Systems

    Article • Sensors, June 2022, MDPI AG

    Dr Imran Shafique Ansari

  40. On Secure NOMA-Based Terrestrial and Aerial IoT Systems

    Article • IEEE Internet of Things Journal, April 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  41. Iterative Signal Detection Under Timing Errors for Optical Wireless Links With High Mobility

    Article • IEEE Transactions on Vehicular Technology, November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  42. Outage and Error Analysis of Dual-Hop TAS/MRC MIMO RF-UOWC Systems

    Article • IEEE Transactions on Vehicular Technology, October 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  43. On the Performance of Mixed FSO-UWOC Dual-Hop Transmission Systems

    Article • IEEE Wireless Communications Letters, September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  44. UAV-Assisted Free Space Optical Communication System With Amplify-and-Forward Relaying

    Article • IEEE Transactions on Vehicular Technology, September 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  45. Impact of Correlation and Pointing Error on Secure Outage Performance Over Arbitrary Correlated Nakagami-$m$ and $\mathcal {M}$-Turbulent Fading Mixed RF-FSO Channel

    Article • IEEE Photonics Journal, April 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  46. Applications of Meijer’s Factorization Theorems in Performance Analyses of All-Optical Multi-Hop FSO Systems

    Article • IEEE Transactions on Wireless Communications, March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  47. On the Intercept Probability and Secure Outage Analysis of Mixed (α – κ – μ)-Shadowed and Málaga Turbulent Models

    Article • IEEE Access, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Kyung Sup Kwak, Dr Imran Shafique Ansari

  48. Secrecy Performance Analysis of Mixed α − μ and Exponentiated Weibull RF-FSO Cooperative Relaying System

    Article • IEEE Access, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Kyung Sup Kwak, Dr Imran Shafique Ansari

  49. Security at the Physical Layer Over GG Fading and mEGG Turbulence Induced RF-UOWC Mixed System

    Article • IEEE Access, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  50. On Secure Downlink NOMA Systems With Outage Constraint

    Article • IEEE Transactions on Communications, December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  51. Channel Modeling for UAV-Based Optical Wireless Links With Nonzero Boresight Pointing Errors

    Article • IEEE Transactions on Vehicular Technology, December 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  52. Mixed Dual-Hop FSO-RF Communication Systems Through Reconfigurable Intelligent Surface

    Article • IEEE Communications Letters, July 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  53. On Secure Mixed RF-FSO Systems With TAS and Imperfect CSI

    Article • IEEE Transactions on Communications, July 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  54. Outage of Cognitive Electric Vehicle Networks Over Mixed RF/VLC Channels With Signal-Dependent Noise and Imperfect CSI

    Article • IEEE Transactions on Vehicular Technology, June 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  55. Performance Analysis of Dual-Hop RF-UWOC Systems

    Article • IEEE Photonics Journal, April 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  56. Mitigating distributed denial of service attacks in satellite networks

    Article • Transactions on Emerging Telecommunications Technologies, March 2020, Wiley

    Dr Imran Shafique Ansari

  57. Safeguarding UAV IoT Communication Systems Against Randomly Located Eavesdroppers

    Article • IEEE Internet of Things Journal, February 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  58. A Business and Legislative Perspective of V2X and Mobility Applications in 5G Networks

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Fabrizio Granelli

  59. On Secrecy Performance of Mixed Generalized Gamma and Málaga RF-FSO Variable Gain Relaying Channel

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  60. Performance Evaluation of Relay-Aided CR-NOMA for Beyond 5G Communications

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  61. Secrecy Performance Analysis of Mixed Hyper-Gamma and Gamma-Gamma Cooperative Relaying System

    Article • IEEE Access, January 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  62. Tractable Optical Channel Modeling Between UAVs

    Article • IEEE Transactions on Vehicular Technology, December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  63. Secrecy Outage Analysis for Cooperative NOMA Systems With Relay Selection Schemes

    Article • IEEE Transactions on Communications, September 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  64. Adaptive Channel Coding and Power Control for Practical FSO Communication Systems Under Channel Estimation Error

    Article • IEEE Transactions on Vehicular Technology, August 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  65. Outage Probability of a Multisensor Mixed UOWC–FSO Setup

    Article • IEEE Sensors Letters, August 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  66. Theoretical analysis of frame detector based on differential correlation method

    Article • IET Communications, June 2019, the Institution of Engineering and Technology (the IET)

    Dr Imran Shafique Ansari, Assad Akhlaq

  67. Performance Analysis of DF Relay based RF-FSO Communication System in the Presence of Pointing Errors

    Article • IET Signal Processing, March 2019, the Institution of Engineering and Technology (the IET)

    Jagadeesh (Faculty Member), Dr Imran Shafique Ansari

  68. Asymptotic Performance Analysis of Two-Way Relaying FSO Networks With Nonzero Boresight Pointing Errors Over Double-Generalized Gamma Fading Channels

    Article • IEEE Transactions on Vehicular Technology, August 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  69. Error Analysis of TAS/MRC in Rayleigh Fading Channel with Non-Gaussian Noise

    Article • Journal of the Franklin Institute, July 2018, Elsevier

    Dr Imran Shafique Ansari

  70. Performance Analysis of Hybrid FSO Systems Using FSO/RF-FSO Link Adaptation

    Article • IEEE Photonics Journal, June 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  71. 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

  72. Technologies and Solutions for Location-Based Services in Smart Cities: Past, Present, and Future

    Article • IEEE Access, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Fabrizio Granelli

  73. Security in Wireless Body Area Networks: From In-Body to Off-Body Communications

    Article • IEEE Access, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  74. On Secrecy Outage of Relay Selection in Underlay Cognitive Radio Networks Over Nakagami- $m$ Fading Channels

    Article • IEEE Transactions on Cognitive Communications and Networking, December 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  75. Wireless energy harvesting in cooperative decode-and-forward relaying networks over mixed generalized η -μ and κ -μ fading channels

    Article • Transactions on Emerging Telecommunications Technologies, November 2017, Wiley

    Dr Imran Shafique Ansari

  76. Performance Analysis of Single-Photon Avalanche Diode Underwater VLC System Using ARQ

    Article • IEEE Photonics Journal, October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  77. On Secrecy Performance of Mixed RF-FSO Systems

    Article • IEEE Photonics Journal, August 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Hongjiang Lei, Dr Imran Shafique Ansari

  78. Secrecy Performance Analysis of SIMO Underlay Cognitive Radio Systems with Outdated CSI

    Article • IET Communications, June 2017, the Institution of Engineering and Technology (the IET)

    Dr. hongjiang lei, Dr Imran Shafique Ansari, Dr Hongjiang Lei

  79. Outage Analysis of Mixed Underlay Cognitive RF MIMO and FSO Relaying With Interference Reduction

    Article • IEEE Photonics Journal, April 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  80. Secrecy Capacity Analysis over $\alpha - \mu$ Fading Channels

    Article • IEEE Communications Letters, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  81. On Secure Underlay MIMO Cognitive Radio Networks with Energy Harvesting and Transmit Antenna Selection

    Article • IEEE Transactions on Green Communications and Networking, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  82. Unified Performance Analysis for Multiuser Mixed η-μ and Μ-Distribution Dual-Hop RF/FSO Systems

    Article • IEEE Transactions on Communications, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  83. Physical-Layer Security with Full-Duplex Transceivers and Multiuser Receiver at Eve

    Article • IEEE Transactions on Communications, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  84. On Secure NOMA Systems With Transmit Antenna Selection Schemes

    Article • IEEE Access, January 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  85. Channel capacity analysis of a mixed dual-hop radio-frequency–free space optical transmission system with Málaga distribution

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

    Dr Imran Shafique Ansari, Jagadeesh (Faculty Member)

  86. Physical-layer security over generalised-K fading channels

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

    Dr Imran Shafique Ansari, Dr. hongjiang lei, Dr Hongjiang Lei

  87. Outage Analysis of Asymmetric RF-FSO Systems

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

    Dr Imran Shafique Ansari

  88. Performance Analysis of Physical Layer Security Over Generalized-K Fading Channels Using a Mixture Gamma Distribution

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

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  89. Performance Analysis of Free-Space Optical Links Over Málaga ($\mathcal{M} $) Turbulence Channels With Pointing Errors

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

    Dr Imran Shafique Ansari

  90. On the Maximum and Minimum of Double Generalized Gamma Variates with Applications to the Performance of Free-space Optical Communication Systems

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

    Dr Imran Shafique Ansari

  91. Secrecy Outage Performance for SIMO Underlay Cognitive Radio Systems with Generalized Selection Combining over Nakagami-m Channels

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

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  92. Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems over Nakagami-m Channels

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

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  93. Secrecy Outage Analysis for SIMO Underlay Cognitive Radio Networks over Generalized-K Fading Channels

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

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  94. Information Theoretical Limits of Free-Space Optical Links

    Article • January 2016, Springer Science + Business Media

    Dr Imran Shafique Ansari

  95. On the Performance of Free-Space Optical Communication Systems Over Double Generalized Gamma Channel

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

    Dr Imran Shafique Ansari

  96. Ergodic Capacity Analysis of Free-Space Optical Links With Nonzero Boresight Pointing Errors

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

    Dr Imran Shafique Ansari

  97. Performance Analysis of FSO Links over Unified Gamma-Gamma Turbulence Channels

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

    Dr Imran Shafique Ansari

  98. On the Performance Analysis of Digital Communications over Weibull-Gamma Channels

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

    Dr Imran Shafique Ansari

  99. Asymptotic Ergodic Capacity Analysis of Composite Lognormal Shadowed Channels

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

    Dr Imran Shafique Ansari

  100. Unified performance analysis of mixed line of sight RF-FSO fixed gain dual-hop transmission systems

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

    Dr Imran Shafique Ansari

  101. Performance Analysis of Mixed Nakagami- $m$ and Gamma–Gamma Dual-Hop FSO Transmission Systems

    Article • IEEE Photonics Journal, February 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Imran Shafique Ansari

  102. On Physical Layer Security over SIMO Generalized-K Fading Channels

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

    Dr Imran Shafique Ansari, Dr Hongjiang Lei

  103. New results on the sum of Gamma random variates with application to the performance of wireless communication systems over Nakagami-mfading channels

    Article • Transactions on Emerging Telecommunications Technologies, December 2014, Wiley

    Dr Imran Shafique Ansari

  104. On the performance of hybrid line of sight RF and RF-FSO fixed gain dual-hop transmission systems

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

    Dr Imran Shafique Ansari

  105. Outage performance analysis of underlay cognitive RF and FSO wireless channels

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

    Dr Imran Shafique Ansari

  106. On the Capacity of FSO Links under Lognormal and Rician-Lognormal Turbulences

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

    Dr Imran Shafique Ansari

  107. On the maximum and minimum of two modified Gamma-Gamma variates with applications

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

    Dr Imran Shafique Ansari

  108. A performance study of two hop transmission in mixed underlay RF and FSO fading channels

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

    Dr Imran Shafique Ansari

  109. On the performance of free-space optical wireless communication systems over double generalized gamma fading channels

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

    Dr Imran Shafique Ansari

  110. On the performance of hybrid RF and RF/FSO dual-hop transmission systems

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

    Dr Imran Shafique Ansari

  111. On the Performance of Mixed RF/FSO Variable Gain Dual-Hop Transmission Systems with Pointing Errors

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

    Dr Imran Shafique Ansari

  112. Impact of Pointing Errors on the Performance of Mixed RF/FSO Dual-Hop Transmission Systems

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

    Dr Imran Shafique Ansari

  113. On the Sum of Squared eta-µ Random Variates with Application to the Performance of Wireless Communication Systems

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

    Dr Imran Shafique Ansari

  114. On the Performance of Mixed RF/FSO Dual-Hop Transmission Systems

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

    Dr Imran Shafique Ansari

  115. On the performance of hybrid RF and RF/FSO fixed gain dual-hop transmission systems

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

    Dr Imran Shafique Ansari

  116. On the sum of gamma random variates with application to the performance of maximal ratio combining over Nakagami-m fading channels

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

    Dr Imran Shafique Ansari

  117. A New Formula for the BER of Binary Modulations with Dual-Branch Selection over Generalized-K Composite Fading Channels

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

    Dr Imran Shafique Ansari

  118. An Exact Closed-Form Expression for the BER of Binary Modulations with Dual-Branch Selection over Generalized-K Fading

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

    Dr Imran Shafique Ansari

  119. An Implementation of Traffic Light System Using Multi-hop Ad hoc Networks

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

    Dr Imran Shafique Ansari

  120. Biometrics for home networks security

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

    Dr Imran Shafique Ansari