Um Logical Channels
Um logical channel types are outlined in GSM 04.03. Broadly speaking, non-GPRS Um logical channels fall into three categories: traffic channels, dedicated control channels and non-dedicated control channels.
Read more about this topic: Um Interface
Famous quotes containing the words logical and/or channels:
“It was at that moment, just after Krug had fallen through the bottom of a confused dream and sat up on the straw with a gasp—and just before his reality, his remembered hideous misfortune could pounce upon him—it was then that I felt a pang of pity for Adam and slid towards him along an inclined beam of pale light—causing instantaneous madness, but at least saving him from the senseless agony of his logical fate.”
—Vladimir Nabokov (1899–1977)
“The enthusiastic uprising of the people in our cause, is our great reliance; and we can not safely give it any check, even though it overflows, and runs in channels not laid down in any chart.”
—Abraham Lincoln (1809–1865)