SS Placement and Timing:

• SSS location illustrated within SSB’s time-frequency structure.
• SSS occupies third OFDM symbol in SSB, spanning 127 subcarriers.
• UE identifies SSS timing after detecting PSS.

Periodic Transmission:

• SSS transmitted periodically in alignment with SSB timing.
• Occurs at the same SSB periodicity.

Frequency Domain Characteristics:

• SSS takes up the same frequency space as PSS.
• Shared frequency filter for PSS and SSS detectors.

Associations and Sequences:

• 336 SSS sequences linked to 1-of-3 PSS sequences.
• Reflecting the total of 1008 possible Physical Cell Identities (PCIs).

Sequence Generation:

• SSS crafted using BPSK-modulated Gold sequence of length 127.
• Gold sequences offer numerous mutually low-correlated sequences, advantageous for the substantial count of SSS sequences (336).

Generation Process:

• Gold sequence produced by multiplying two BPSK-modulated m-sequences.
• Cyclic shifts for m-sequences determined by PCI.
• SSS sequence, length 127, mapped onto 127 subcarriers.
• Subcarriers ordered sequentially from subcarrier 56 to 182.