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[Built on a software-defined radio, cognitive radio (CR) is generally defined as an intelligent wireless communication paradigm with the awareness of its environment, which is able to learn from the environment and adapt to statistical variations in the input stimuli using...
[Dynamic Resource Allocation is an essential technique to exploit the time-space-frequency variation in wireless channels by adaptively distributing precious radio resources, such as spectrum and power, to either maximize or minimize the concerned network performance metrics. In traditional...
[Spectral efficiency (SE), defined as the system throughput per unit of bandwidth, is a prevalent criterion for wireless network optimization. For instance, the peak value of SE is always taken as one of the pivotal indicators of 3rd Generation Partnership Project (3GPP) evolution for network...
[With the explosive growing demands for high data-rate wireless services, the energy consumption is also increasing at an alarming rate nowadays. Consequently, it leads to a large amount of greenhouse gas and high operation expenditure for wireless service providers. Recently, green radio is...
[Spectral-efficiency (SE) and energy-efficiency (EE) serve as two vital metrics in dynamic resource allocation, which have been investigated separately in the previous chapters. Actually, SE and EE, however, do not always coincide and even conflict with each other sometimes. Such characteristic...
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