The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In this paper we present a method for predicting a wireless channel using an efficient sum of sinusiods (SOS) method. Our method models a channel as the sum of a discrete number of rays, and extrapolates these rays forward along a trajectory when given accurate measurements of the component rays at distinct spatial points. In simulations, we have been able to eliminate the need for regular pilot signals...
We propose the use of echo state networks for the task of wireless channel characterisation to select the most similar channel to the current observed channel from a pre-defined set, based entirely on received signal information. This allows the system to select the optimal resource allocation scheme and transmission parameters from pre-computed solutions. Using suitable training data, the neural...
Cognitive Radio systems require detailed feedback about their environment, and detecting anomalies is core to this task. The KLD metric can be used to detect a variety of anomalies in radio signals, and has been previously demonstrated to be both effective, and efficient enough to run in real-time. In tests, it was observed that some anomalous signals caused the KLD to increase monotonically for long...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.