Method and apparatus for receiving a synchronization signal
A method of receiving a downlink (DL) signal by a user equipment (UE) operating on a frequency band above 6 GHz in a wireless communication system is discussed. The method includes receiving system information including first information related to one or more synchronization signal (SS) and PBCH (SS/PBCH) block groups and second information related to one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups; and receiving the DL signal in resources other than resources used for the one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups indicated by the first and second information.
1. A method of receiving a synchronization signal and physical broadcast channel (SS/PBCH) block by a user equipment (UE) operating on a frequency band above 6 GHz in a wireless communication system, the method comprising:
receiving system information including (i) first information related to one or more SS/PBCH block groups and (ii) second information related to one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups; and
receiving the SS/PBCH block based on the first information and the second information,
wherein the first information informs the UE of the one or more SS/PBCH block groups, in each of which the one or more SS/PBCH blocks are transmitted,
wherein the second information informs the UE of the one or more transmitted SS/PBCH blocks within each of the one or more SS/PBCH block groups,
wherein the second information is commonly used for the one or more SS/PBCH block groups informed by the first information,
wherein each of the one or more transmitted SS/PBCH blocks includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) signal, and
wherein the first information is in a form of a bitmap and a length of the bitmap is 8 bits.
2. The method of claim 1 , wherein a value 1 in the bitmap indicates that the SS/PBCH blocks are transmitted.
3. The method of claim 1 , wherein the second information is in a form of a bitmap.
4. The method of claim 3 , wherein a value 0 in the bitmap indicates that the corresponding SS/PBCH block is not transmitted while the value 1 indicates that the corresponding SS/PBCH block is transmitted.
5. The method of claim 1 , wherein the second information comprises a number of the one or more transmitted SS/PBCH blocks.
6. The method of claim 1 , wherein the system information is received in a system information block (SIB).
7. The method of claim 1 , wherein the UE assumes that reception occasions on a PBCH, PSS and SSS are in consecutive symbols and form a SS/PBCH block.
8. A user equipment (UE) configured to operate on a frequency band above 6 GHz and to receive a synchronization signal and physical broadcast channel (SS/PBCH) block in a wireless communication system, the UE comprising:
a transceiver;
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising:
receiving, through the transceiver, system information including (i) first information related to one or more SS/PBCH block groups and (ii) second information related to one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups, and
receiving, through the transceiver, the SS/PBCH block based on the first information and the second information,
wherein the first information informs the UE of the one or more SS/PBCH block groups, in each of which the one or more SS/PBCH blocks are transmitted,
wherein the second information informs the UE of the one or more transmitted SS/PBCH blocks within each of the one or more SS/PBCH block groups,
wherein the second information is commonly used for the one or more SS/PBCH block groups informed by the first information,
wherein each of the one or more transmitted SS/PBCH blocks includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) signal, and
wherein the first information is in a form of a bitmap and a length of the bitmap is 8 bits.
9. The UE of claim 8 , wherein a value 1 in the bitmap indicates that the SS/PBCH blocks are transmitted.
10. The UE of claim 8 , wherein the second information is in a form of a bitmap.
11. The UE of claim 10 , wherein a value 0 in the bitmap indicates that the corresponding SS/PBCH block is not transmitted while the value 1 indicates that the corresponding SS/PBCH block is transmitted.
12. The UE of claim 8 , wherein the second information comprises a number of the one or more transmitted SS/PBCH blocks.
13. The UE of claim 8 , wherein the system information is received in a system information block (SIB).
14. The UE of claim 8 , wherein the UE assumes that reception occasions on a PBCH, PSS and SSS are in consecutive symbols and form a SS/PBCH block.
15. An apparatus configured to control a user equipment (UE) to operate on a frequency band above 6 GHz and to receive a synchronization signal and physical broadcast channel (SS/PBCH) block in a wireless communication system, the apparatus comprising:
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed by the at least one processor, perform operations comprising:
receiving system information including (i) first information related to one or more SS/PBCH block groups and (ii) second information related to one or more SS/PBCH blocks within each of the one or more of SS/PBCH block groups, and
receiving the SS/PBCH block based on the first information and the second information,
wherein the first information informs the UE of the one or more SS/PBCH block groups, in each of which the one or more SS/PBCH blocks are transmitted,
wherein the second information informs the UE of the one or more transmitted SS/PBCH blocks within each of the one or more SS/PBCH block groups,
wherein the second information is commonly used for the one or more SS/PBCH block groups informed by the first information,
wherein each of the one or more transmitted SS/PBCH blocks includes a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH) signal, and
wherein the first information is in a form of a bitmap and a length of the bitmap is 8 bits.
16. The apparatus of claim 15 , wherein a value 1 in the bitmap indicates that the SS/PBCH blocks are transmitted.
17. The apparatus of claim 15 , wherein the second information is in a form of a bitmap.
18. The apparatus of claim 17 , wherein a value 0 in the bitmap indicates that the corresponding SS/PBCH block is not transmitted while the value 1 indicates that the corresponding SS/PBCH block is transmitted.