Method for transmitting and receiving synchronization signal in wireless communication system and apparatus for method

A base station configured to transmit a synchronization signal in a wireless communication system, the base station comprising:

• at least one transceiver;
• at least one processor;
• and
• at least one computer memory operably connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
• determining a sequence for a primary synchronization signal (PSS);
• determining a sequence for a secondary synchronization signal (SSS);
• and
• transmitting, to a user equipment (UE) via the at least one transceiver, the PSS and the SSS based on the sequence for the PSS and the sequence for the SSS,
• wherein the sequence for the SSS is generated based on a product of a first sequence and a second sequence, wherein a length of the sequence for the SSS is configured to be equal to a length of the first sequence and a length of the second sequence,
• wherein a number of candidates of the first sequence is configured to be larger than a number of candidates of the second sequence, wherein a product of the number of candidates of the first sequence and the number of candidates of the second sequence is identical to a number of cell identifiers supported by the wireless communication system,
• wherein a subcarrier spacing for the PSS and a subcarrier spacing for the SSS are based on any one of a plurality of subcarrier spacings supported by the wireless communication system, and
• wherein a subcarrier spacing for a Physical Broadcast channel (PBCH) that is related to the PSS and the SSS is configured to be equal to the subcarrier spacing for the PSS and the subcarrier spacing of the SSS.

A processing device configured to control a base station to transmit a synchronization signal in a wireless communication system, the processing device comprising:

• at least one processor;
• and
• at least one memory operably connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
• determining a sequence for a primary synchronization signal (PSS);
• determining a sequence for a secondary synchronization signal (SSS);
• and
• transmitting, to a user equipment (UE), the PSS and the SSS based on the sequence for the PSS and the sequence for the SSS,
• wherein the sequence for the SSS is generated based on a product of a first sequence and a second sequence, wherein a length of the sequence for the SSS is configured to be equal to a length of the first sequence and a length of the second sequence,
• wherein a number of candidates of the first sequence is configured to be larger than a number of candidates of the second sequence, wherein a product of the number of candidates of the first sequence and the number of candidates of the second sequence is identical to a number of cell identifiers supported by the wireless communication system,
• wherein a subcarrier spacing for the PSS and a subcarrier spacing for the SSS are based on any one of a plurality of subcarrier spacings supported by the wireless communication system, and
• wherein a subcarrier spacing for a Physical Broadcast channel (PBCH) that is related to the PSS and the SSS is configured to be equal to the subcarrier spacing for the PSS and the subcarrier spacing of the SSS.