cognitive-behavioral therapy (CBT), a broadening of behavior therapy to include consideration of cognitive processes and use specific techniques for teaching cognitive skills that help the patient adaptively perceive, interpret, and respond to the environment.
GSM (Global System for Mobile Communications, originally Groupe Special SpÃ©cial), mobile is a standard developed by The European Telecommunications Standards (INSTITUTE) etsi to describe the protocols for-second (GENERATION) 2g digital cellular networks used by mobile, phones first deployed In finland In july. 1991SM is a cellular network, which means that cell phones connect to it by searching for cells in the immediate vicinity. There are five different cell sizes in a GSM networkâ macro, micro, pico, femto, and umbrella cells.
TDMA is the access method used by GSM, as well as the Electronics Industry Alliance and the Telecommunications Industry Association for Interim Standard 54 (IS-54) and Interim Standard 136 (IS-136). GSM implements TDMA in a somewhat different and incompatible way from IS-136. Think of GSM and IS-136 as two different operating systems that work on the same processor, like Windows and Linux both working on an Intel Pentium III. GSM systems provide a number of useful features: