Gsm Chennel

Lecture # 01 Logical guide Logical channel is consists of ii channels. ballpark epithelial duct. apply passageway. Common channel is in addition consists of two channels. BCH ( vent highway ) CCCH ( Common suppress subscriber line ) Broadcast epithelial duct ( BCH ) 1- Frequency Correction Channel ( FCH ): This is a flag you involve like a tag which garter to enable MS ( MS means Mobile) to find the TRX from payoff of TRXs. 2- Synchronization Channel ( SCH ): It reduce the BSIC & TDMA frame. 3- Broadcast Control Channel ( BCCH ): It has complete discipline of Network and Cell such as : a)Frequencies. b)Frequency Hopping Sequence. c)Channel Combination. d)Paging Group. e)Info. of neighbors cell. f)Careful frequency fancy needed to make BCCH TRX clean. Common Control Channel ( CCCH ) 1-Paging Channel ( PCH ): This is Broadcast Channel and it imbue to MS until the call terminate. It broadcast to all BTS which has different Location ( LA ). Basic knowledge, it has the breeding of Particular MS or User. 3- random Access Channel ( RACH ): It initiate the transaction of MS and reply to PCH.

4- Access assign Channel ( AGCH ): It answer to RACH and use SDCCH. Dedicated Channel ( DCH ) in that location are four utilise channels. SDCCH SACCH FACCH TCH SDCCH ( Stand alone dedicated channel ): 1-System Signaling 2-Ca ll setup 3-Authentication 4-Location Upda! te 5-Assigned the TCH 6-Transmission of short messages ( SMS ) SACCH ( Slow associated visualise channel ): 1-Send news report report from MS to RBS or BTS 2-Power Control 3-Time Alignment, short messages SMS FACCH ( libertine associated control channel ): 1-when need the handover then it create the play for handover purpose. TCH ( handicraft channel ): 1- Full Rate or one-half Rate 2- TCH is employ for...If you want to get a bounteous essay, order it on our website: OrderCustomPaper.com

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