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Which of the following burst is used to access service from any base station?(a) TCH(b) RACH(c) SCH(d) FCCHThe question was posed to me at a job interview.I'm obligated to ask this question of GSM Channel Types in chapter Wireless Systems and Standards of Wireless/Mobile

Answer»

Right answer is (B) RACH

To explain: Each user transmits a burst of data during the time slot assigned to it. The RACH burst is used by all MOBILES to ACCESS service from any BASE station, and dummy burst is used as filter information for UNUSED timeslots on forward link.



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