… and the transmission power control … spectrum bands. SUs are assumed to pay the PSPs for
short-term usage of their available spectrum bands; which is referred as the spectrum trading. …

… to increase spectrum sharing and thus overcome the lack of available spectrum for new
communication services. In this paper, the pricing and the transmission power control processes …

… the tradeoff between transmission quality and … power control component. With the
information coming from the PSPs in region R, the TeA computes the optimum transmission power …

… Pricing and transmission power are two key issues of interest to both … power management
and spectrum trading issues are merged together leading to a new approach of power trading. …

… transmit power in uplink and downlink channel is controlled via payment price scheme under
constraint for the transmit power … and SBS can transmit with higher power then payment …

… devoted to alleviate inter-user interference, such as power control [15]–[18] and mode selec…
for CUs, we assume that each CU transmits with a fixed transmit power density, denoted as …

… the transmit power, since it generally works in high SNR regimes due to a small coverage
[13]. Thus, the spectrumpower trading in … from both the spectrum and the power perspectives. …

… The end users autonomously trades-off between their utility and spectrum cost through
transmission power control — essentially forming a non-cooperative power control game for …

… the transmit power. An example of this classical optimization approach for spectrum trading
… In the system model considered in [9], multiple cognitive users a submit spectrum demand …

… ) is able to transmit data at very high speeds by sending the transmission over a wide range
of frequencies but at very low power levels allowing effective transmission through objects, …