Changes between Version 1 and Version 2 of Cross/CoreComponents

Timestamp:

06/15/09 10:23:10 (15 years ago)

Author:

trnewman

Comment:

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Cross/CoreComponents

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  == Core Components ==
 The following sections introduce the components to the VT-CROSS framework.  The core components are the Cognitive Radio Shell and the Cognitive Engine.  A fully functional system can be operated with only these two components and a Software-Defined Radio Host Platform.  Optional components such as the Policy Engine and Service Management Layer provide added capabilities that can dramatically improve the functionality of the system.
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 The VT-CROSS project group has developed an [http://en.wikipedia.org/wiki/API Application Programming Interface] (API) and communication protocols for each of the components in the system.  For detailed information about the individual component APIs and communication protocols, refer to the corresponding component sections.
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 A reference implementation of a cognitive engine model is currently under development.  The initial implementation will consist of a case-based reasoning (CBR) engine developed in C and using the SQLite database code base to implement the database functionality.  The CBR functionality will consist of retrieving cases that are relevant to the current operating environment and communication objectives and adapt the cases in order to provide a better set of transmission parameters for the current given environment.  After the case is adapted, the set of transmission parameters is sent back to the CRS where the parameter values are applied to the radio resources.  Feedback is gathered from the receiver that provides information about how well the transmission parameters have met the performance objective goals.  This feedback is sent to the CE to provide for better adaptation in the future.  In the CBR implementation, the cases are updated with this new information.  
 
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