What is the PBCH scrambled with?(a) Current frame number(b) Physical cell ID(c) UE’s CRNTI(d) Not scrambledI had been asked this question in homework.My doubt is from 4G Network Architecture topic in section 4G of Wireless/Mobile

What is the PBCH scrambled with?(a) Current frame number(b) Physical c

1.	What is the PBCH scrambled with?(a) Current frame number(b) Physical cell ID(c) UE’s CRNTI(d) Not scrambledI had been asked this question in homework.My doubt is from 4G Network Architecture topic in section 4G of Wireless/Mobile
Answer» Correct option is (b) Physical cell ID To elaborate: The PBCH is scrambled prior to modulation with a cell-specific SEQUENCE that DEPENDS on the CELLS’ identity. In CONTRAST to the SYNCHRONIZATION signals, the PBCH is transmitted on the 72 reserved subcarriers, which are QPSK-modulated.

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