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What code is send for mobile to connect with BTS?

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mehdi_an

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hello all friend
mobile for connenect to bts what code send?
 

Abdul Waheed

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signaling in gsm

mehdi_an said:
hello all friend
mobile for connenect to bts what code send?
plz clearyfy ur question?
anyhow for conecting to BTS of Particular network, there is signal present(GSM). accourding to ur sim which is registered to a paricular network scans the all signals and only respond to the registered network.
ok clearify ur question and type of network.....

Added after 3 minutes:

any one of you having the helpping material regarding RF Plaining in mobile Communication.
 

mihirtronics

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signaling in gsm

First... authentication is done by the BTS by sending a Random sequence to the MS & the MS replies with a Signed response using the cipher key in the SIM. The BTS tallies this with the expected signed response.
If the 2 are the same... the handset is authenticated and readied for communication.
 

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