cognitive radio applications
Ultra-Wideband Slotted Disc Antenna Compatible with Cognitive Radio Applications
... Abstract—In this paper, a new ultra-wideband (UWB) disc antenna compatible with cognitive radio is presented. The proposed antenna is developed to operate from 0.77 to 11.23 GHz. It consists of a circular ...
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A Reconfigurable Microstrip Patch Antenna for Various Wireless and Cognitive Radio Applications
... The Reconfigurable microstrip patch antenna is designed and simulated in ANSYS HFSS simulation tool. The antenna achieves reconfigurability at various frequencies with use of switches between the radiating patch. The ...
7
Design of Reconfigurable Band Notches Antenna for Cognitive Radio Applications
... In this paper, an antenna with reconfigurable band notches, for cognitive radio applications, is proposed. The antenna can be operated as ultra wideband, and is reconfigurable in terms of the ability ...
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Blind Detection of Wideband Interference for Cognitive Radio Applications
... For cognitive radio applications, where prevention of interference is paramount, inclusion of a “guard band” around each detected interferer would mitigate against the risk of interference resulting ...
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Design and Analysis of Reconfigurable UWB Antenna for Cognitive Radio Applications
... ABSTRACT: Cognitive radio is rapidly shaping the future of wireless ...of cognitive radio. A special antenna is required in cognitive radio for sensing and ...communications ...
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A Circular Monopole with a Rectangular Microstrip Antenna for Cognitive Radio Applications
... Abstract: The paper presents a unique combination of an ultra wideband circular monopole antenna and a narrowband rectangular microstrip antenna one above the other with separate partial ground planes .The UWB antenna ...
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Cyclostationary signatures in practical cognitive radio applications
... emerging cognitive radio applications and spectrum sharing ...practical cognitive radio and dynamic spectrum usage ...a cognitive radio test ...
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Survey Paper on Spectrum Sensing Algorithm for Cognitive Radio Applications
... A. Walkie-talkies are battery-powered transceivers, meaning they can both send and receive radio messages. They have a half-duplex channel, which indicates that only one walkie-talkie on a channel can transmit a ...
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Wideband signal detection for cognitive radio applications with limited resources
... most applications, it is generally assumed that the number of available samples is suffi- ciently large in order to correctly estimate the BPAs and perform a reliable ...
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Frequency Reconfigurable Microstrip Patch Antenna for Cognitive Radio Applications
... ABSTRACT: In today’s world, communication becomes indispensible in day to day routine. Antenna technology is a key constituent in wireless communication system. In this paper, an electronically frequency reconfigurable ...
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Reconfigurable Microstrip Printed Patch Antenna for Future Cognitive Radio Applications
... 2 obviously understand that these microstrip patch designs, either cover the WLAN standard as in [5-7], or operate over the 3G service of UMTS as in [8-10]. To meet the requirement of the newly launched LTE service, the ...
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A Novel UWB Reconfigurable Circular Monopole Antenna for Cognitive Radio Applications
... The simulation results showed that the proposed antenna is a best suited antenna for the desired application, that is, for the cognitive radio application. The antenna is capable of switching to different ...
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Spectrum Occupancy Survey In HULL-UK For Cognitive Radio Applications: Measurement & Analysis
... The radio spectrum is a finite, and arguably scarce, natural resource with many systems competing for spectrum in telecommunications ...the radio spectrum is growing, particularly due to the increased ...
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Non commutative large entries for cognitive radio applications
... improve radio sensitivity and detect the presence of primary ...all cognitive users operating in the same band reduces the detection time and increases the overall agility with which cognitive users ...
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Optimization of Sensing Receiver for Cognitive Radio Applications
... In this paper, we focus on optimizing the broadband sensing receiver architecture for use in cognitive radios supporting delay sensitive applications. In our proposed DSR model, we use a two-stage sensing ...
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UWB Antenna with Configurable Notches for Cognitive Radio Applications
... UWB technology is currently regarded as a key player for broadband wireless communications in multimedia- rich environments. The UWB signals by definition occupy a bandwidth in excess of 500 MHz, or are such that their ...
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NEW APPROACH IN COLOR DISTORTION REDUCTION IN UNDERWATER CORAL REEF COLOR IMAGE ENHANCEMENT BASED ON ESTIMATION ABSORPTION USING EXPONENTIAL EQUATION
... and cognitive radio applications data can be located anywhere in the available band, there is the possibility that the signal band, to extract and process, spans more adjacent elementary ...
10
Reconfigurable Antennas and Their Applications
... Due to the rapid growth in the communication system the demand of frequency band increase that leads to scarcity in the RF spectrum. Mainly, the scarcity of RF spectrum arises due to the inefficient spectrum allocation. ...
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CORRELATIVE ANALYSIS OF CYCLOSTATIONARY FEATURE DETECTION AND ENERGY DETECTION USING SIMULINK
... the radio spectrum management is a very important ...the radio spectrum must be responsive, active, and flexible to the present ...their radio spectra because they are already engaged by government ...
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Multivariable algorithm for dynamic channel selection in cognitive radio networks
... in cognitive wireless networks to ensure an adequate quality of service and performance for secondary user ...in cognitive wireless ...two applications classified as best effort (BE) and real time ...
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