Furthermore, if the channel varies rapidly, it is not reasonable to acquire the instantaneous feedback at the transmitter, because the optimal transmitter designed on the basis of previously acquired information becomes outdated quickly (see [18] and the references therein).
While it would certainly have been possible to continue the iterative process until convergence was achieved, we chose to limit the number of iterations to 10 before stopping the configuration update process because a practical system would not have an indefinite amount of time for configuration selection before network information became outdated.
There are concerns that the rapidly changing nature of society means that normative data become outdated very quickly.
Barhop Beyond the City Center Finding a cool bar scene in cities you are unfamiliar with is especially hard, since information can quickly become outdated.
This is particularly not suitable in vehicular environments, since such information can quickly become outdated due to the high speed of vehicles.
"Our readers are keener on computer-generated imagery in the movies, black holes and the maths of climate change".In any case, financial products change so fast that any specific information is likely to become outdated.
Regulatory standards may become outdated or inadequate in light of newly available information--information that some manufacturers might otherwise ignore.
Considering that the channel availability is frequently time-varying, a centralized approach becomes less efficient because the information on which this allocation was based may have already become outdated when the channel assignment solution is defined.
Thus, census data and population-sampling frames in the UAE quickly can become outdated.
