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16.782  Articles
1 of 1.679 pages  |  10  records  |  more records»
In this study, Global positioning system (GPS) simulation is employed to study the effect of radio frequency interference (RFI) on the accuracy of two handheld GPS receivers; Garmin GPSmap 60CSx (evaluated GPS receiver) and Garmin GPSmap 60CS (referenc... see more

Synthetic aperture radar (SAR) is a special type of active microwave sensor, which has got a wide range of applications in remote sensing. However, the performance of SAR systems may be affected by radio frequency interference (RFI) in several geographic ... see more

Large scale path loss modeling plays a fundamental role in designing both fixed and mobile radio systems. Wireless system are complex systems, so that prediction of the radio coverage is not done in an exact manner. Therefore before setting the system we ... see more

In a Cognitive Radio Network, the performance of the secondary users depends on the co-channel interference generated by the primary and the secondary transmitters. Therefore the characterization of aggregate interference (AI) in such type of networks is ... see more

In the cognitive radio (CR) system where spectrum sensing and data transmissions are performed simultaneously, the proper selection of frame duration (t) is of utmost importance. Small t leads to an increased false alarm probability while large value of i... see more

The focus of this paper is to find a robust power control strategy with uncertain noise plus interference (NI) in cognitive radio networks (CRNs)in an under orthogonal frequency-division multiplexing (OFDM) framework. The optimization problem is formulate... see more

A robust distributed optimal power control (RDPC) scheme under worst case condition is proposed to make primary users (PUs) receive minimum interference generated from all secondary users (SUs) in underlay cognitive radio networks (CRNs). The strategy con... see more

Femtocell Networks are the proposed solution for deployment in homes that enables an indoor mobile user to achieve high speed downloading from the internet and make good quality voice calls. A femtocell network also provides relief to an overloaded macroc... see more

Mobile phones are two-way radios that emit electromagnetic radiation in microwave range. As the number of mobile phone users has reached 6 billion, the bioeffects of exposure to mobile phone radiation and mobile phone electromagnetic interference with ele... see more

1 of 1.679 pages  |  10  records  |  more records»