Sarita Kansal

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PURPOSE To retrospectively determine the imaging features of anomalous coronary arteries depicted at multi-detector row computed tomographic (CT) angiography in 18 patients seen at four institutions. MATERIALS AND METHODS Eighteen patients underwent imaging with a four- or 16-section multi-detector row CT unit by using retrospective electrocardiographic(More)
Cognitive radio is the best solution for spectrum scarcity and spectrum underutilization over wireless communication challenges. It empowers secondary users to use primary user's spectrum without any interference. In this paper, a new approach of artificial neural network based spectrum sensing is proposed which senses the availability of a vacant channel(More)
Statistical analysis of the ECG signal over a period reflects the properties of cardiac activity with time, which is highly non stationary in nature. ECG markers are important for the automatic diagnosis of any cardiovascular diseases on the basis of ECG signals. The time and frequency domain analysis is required to detect the features and extract the(More)
Cognitive radio network has come up as an auspicious solution to spectrum limitation and underutilization over wireless communication challenges. It empowers secondary users to work on licensed spectrum or primary user's spectrum without any interference. Here neural network based spectrum sensing is a significant responsibility for the secondary users to(More)
In order to provide seamless mobility the IEEE 802.21 Media Independent Handover (MIH) working group is in the process of developing a set of mechanisms to facilitate migration of mobile users between access networks that use different link-layer technologies. Users of different available wireless access networks like WLAN, UMTS, VANETs, Wi-MAX, etc.,(More)
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