25 citations · 35 across the 8 of their papers we have counts for
8 papers
Optimal Power Control for Fading Channels with Arbitrary Input Distributions and Delay-Sensitive Traffic
Gozde Ozcan, M. Cenk Gursoy
This paper presents the optimal power control policies maximizing the effective capacity achieved with arbitrary input distributions subject to an average power constraint and qual…
Spectral and Energy Efficiency in Cognitive Radio Systems with Unslotted Primary Users and Sensing Uncertainty
Gozde Ozcan, M. Cenk Gursoy, Jian Tang
This paper studies energy efficiency (EE) and average throughput maximization for cognitive radio systems in the presence of unslotted primary users. It is assumed that primary use…
Energy-Efficient Power Allocation in Cognitive Radio Systems with Imperfect Spectrum Sensing
Gozde Ozcan, M. Cenk Gursoy, Nghi Tran +1
This paper studies energy-efficient power allocation schemes for secondary users in sensing-based spectrum sharing cognitive radio systems. It is assumed that secondary users first…
Energy Efficiency of Hybrid-ARQ under Statistical Queuing Constraints
Yi Li, Gozde Ozcan, M. Cenk Gursoy +1
In this paper, energy efficiency of hybrid automatic repeat request (HARQ) schemes with statistical queuing constraints is studied for both constant-rate and random Markov arrivals…
Multimedia Transmission over Cognitive Radio Channels under Sensing Uncertainty
Chuang Ye, Gozde Ozcan, M. Cenk Gursoy +1
This paper studies the performance of hierarchical modulation-based multimedia transmission in cognitive radio (CR) systems with imperfect channel sensing results under constraints…
Energy-Efficient Power Adaptation for Cognitive Radio Systems under Imperfect Channel Sensing
Gozde Ozcan, M. Cenk Gursoy
In this paper, energy efficient power adaptation is considered in sensing-based spectrum sharing cognitive radio systems in which secondary users first perform channel sensing and…