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LTE: During preamble transmission, how devices choose the frequency band in PRACH for preamble transmission?

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During preamble transmission, how devices choose the frequency band in PRACH for preamble transmission?

If they choose the frequency in PRACH randomly, then there can be the chance of sub-channel(frequency band to send preamble) collision. If above statement is true then how many devices can send the preamble at a random access time slot?

posted Sep 2, 2017 by anonymous

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