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KUAR: A Flexible Software-Defined Radio Development Platform
In this paper, we present the details of a portable, powerful, and flexible software-defined radio development platform called the Kansas University Agile Radio (KUAR). The primary purpose of theExpand
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Parametric Adaptive Spectrum Sensing Framework for Dynamic Spectrum Access Networks
The opportunistic usage of the spectrum must be done without causing any interference to the licensed spectrum users. Conventional non-adaptive wideband spectrum sensing approaches could potentiallyExpand
  • 81
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Cancellation carrier technique using genetic algorithm for OFDM sidelobe suppression
In this paper, we investigate the sidelobe power reduction of non-contiguous orthogonal frequency division multiplexing (OFDM) signals using a genetic algorithm (GA) approach. OFDM is widely deployedExpand
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Feasibility of Dynamic Spectrum Access in Underutilized Television Bands
This paper presents the preliminary results from a feasibility study regarding the operation of secondary spectrum users within unused television spectrum. Television spectrum is known within theExpand
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A sub-optimal sidelobe suppression technique for OFDM-based cognitive radios
Orthogonal frequency division multiplexing (OFDM) is a transceiver technology capable of achieving spectrally efficient, high data rate wireless transmissions. Being also capable of transmitting in aExpand
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A Novel Sidelobe Suppression Technique for OFDM-Based Cognitive Radio Transmission
In this paper, we propose a novel two-step sidelobe suppression technique for OFDM-based cognitive radios designed to minimize the amount of out-of-band emissions that could potentially interfereExpand
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Variable-length subcarrier equalizers for multicarrier systems
We present a novel algorithm for defining the lengths of subcarrier equalizers employed by wireless multicarrier transmission systems operating in frequency-selective fading channels. The equalizerExpand
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Subcarrier Power Adjustment Technique for Peak-to-Average Power Ratio Reduction of OFDM Systems
In this paper, we propose a novel peak-to-average power ratio (PAPR) reduction algorithm for OFDM systems that employs a two-step approach for adjusting the subcarrier power levels. The first stepExpand
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Adaptive Antennas and Dynamic Spectrum Management for Femtocellular Networks: A Case Study
In this paper, we present a case study focusing on the combination of adaptive antenna arrays and dynamic spectrum management for enabling femtocellular communication networks employed inExpand
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Distributed Optimization of Cognitive Radios Employed in Dynamic Spectrum Access Networks
  • S. Chen, A.M. Wyglinski
  • Computer Science, Engineering
  • 5th IEEE Annual Communications Society Conference…
  • 16 June 2008
We propose a novel distributed cross-layer optimization approach for cognitive radio wireless networks. A cognitive radio is a wireless device that is capable of sensing the prevailing environmentalExpand
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