Dragan Trajkov

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Dynamic spectrum access systems will need to simultaneously share the same frequency band with existing systems, particularly in initial deployments. In the case of directional systems, this can be accomplished through spatialdivision-multiple-access (SDMA), by taking advantage of the directionality of the antennas involved and the location of the transmit(More)
The wireless environment is becoming a crucial medium for communication. The demand for such systems is growing constantly. Due to increased user bandwidth requirements, in the near future the frequency bands available for wireless communications may be insufficient. This report shows a study of how two different systems can use the same frequency band in(More)
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