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ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— A novel feedback mechanism is proposed in this paper to enhance the performance of load-balanced two-stage switches. The key idea is to properly select and coordinate the two s...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— The CSMA/CA protocols are designed under the assumption that all participant nodes would abide to the protocol rules. This is of particular importance in distributed protocols ...
ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
– MIMO (Multiple Input Multiple Output) is capable of offering several-fold increase in spectral efficiency over singleantenna systems through spatial processing. However, curren...