and enhance its capabilities without the need to deploy new hardware.19 19 If SAs, femtocells, and picocells are static and their geolocation information is known publically, there is no need to amend spectrum sensing information messages with geolocation information.
20 20 A block is represented by a frequency band and signal orthogonality at a time slot that is part of a repeated epoch and can be utilized and released dynamically.
21 21 In practical MIMO antennas, orthogonal signals energy can be detected across different dimensions. This is different from intersymbol interference or co‐site interference.
22 22 The development of fractional programming and heuristic technique is beyond the scope of this book.
23 23 Here, the term “optimum” is avoided and the term “feasible” is used instead because the algorithms that can be used may have to be heuristic and have to consider the speed of making decisions and the computational power constraints making them reach a “feasible” decision.
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