What is the length of preamble sequence in bits and how many RB's are required to send?

Question

What things are considered to calculate the minimum RBs that need to broadcast master information block information ? I am expecting a detailed information to strengthen my knowledge. Thanks in advance.

Answer 1

Preamble Length in Frequency Domain is amount to 6 RBs of UL Subframe.
Preamble Length in Time Domain including Guard Time (= CP Length + SEQUENCY Length + GT Length) can be 1 or 2 or 3 depending on Preamble Format

Credit: http://www.sharetechnote.com/html/RACH_LTE.html

Comments

sir,i need length in bits.

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No idea, you may need to calculate based on RBs :)