Method and apparatus for SS/PBCH block patterns in higher frequency ranges
Methods and apparatuses in a wireless communication system. A method of operating a user equipment (UE) includes receiving a synchronization signals and physical broadcast channel (SS/PBCH) block; determining a numerology of the SS/PBCH block, wherein the numerology includes a sub-carrier spacing (SCS) and a cyclic prefix (CP) length; and determining a SS/PBCH block pattern based on the numerology, the SS/PBCH block pattern including candidate SS/PBCH blocks that are mapped to slots within a half frame and a minimum gap (N gap μ ) between neighboring candidate SS/PBCH blocks, wherein: N gap μ =0 symbol, based on a determination that the SCS included in the numerology of the SS/PBCH block is 120 kHz or 240 kHz; or N gap μ =1 symbol, based on a determination that the SCS included in the numerology of the SS/PBCH block is 480 kHz or 960 kHz.
1. A user equipment (UE) in a wireless communication system, the UE comprising:
a processor configured to:
identify a sub-carrier spacing (SCS) of synchronization signal and physical broadcast channel (SS/PBCH) blocks, and
identify a SS/PBCH block pattern related to one or more candidate SS/PBCH blocks for a half frame based on the SCS, wherein:
the SCS is 480 kHz or 960 kHz, and
first symbols of the one or more candidate SS/PBCH blocks in the half frame have indexes {2 9}+14·n, where n=0, 1, 2, 3 . . . , 31; and
a transceiver operably coupled to the processor, the transceiver configured to receive a SS/PBCH block based on the identified SS/PBCH block pattern.
2. The UE of claim 1 , wherein
a maximum number of the one or more candidate SS/PBCH blocks in the half frame is 64.
3. The UE of claim 2 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation without shared spectrum channel access.
4. The UE of claim 2 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation with shared spectrum channel access.
5. The UE of claim 1 , wherein the wireless communication system operates in carrier frequencies within a frequency range between 52600 MHz and 71000 MHz.
6. A base station (BS) in a wireless communication system, the BS comprising:
a processor configured to:
identify a sub-carrier spacing (SCS) of synchronization signal and physical broadcast channel (SS/PBCH) blocks, and
identify a SS/PBCH block pattern related to one or more candidate SS/PBCH blocks for a half frame based on the SCS, wherein:
the SCS is 480 kHz or 960 kHz, and
first symbols of the one or more candidate SS/PBCH blocks in the half frame have indexes {2,9}+14 n, where n=0, 1, 2, 3 . . . , 31; and
a transceiver operably connected to the processor, the transceiver configured to transmit the SS/PBCH blocks based on the identified SS/PBCH block pattern.
7. The BS of claim 5 , wherein
a maximum number of the one or more candidate SS/PBCH blocks in the half frame is 64.
8. The BS of claim 6 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation without shared spectrum channel access.
9. The BS of claim 6 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation with shared spectrum channel access.
10. The BS of claim 6 , wherein the wireless communication system operates in carrier frequencies within a frequency range between 52600 MHz and 71000 MHz.
11. A method of a user equipment (UE) in a wireless communication system, the method comprising:
identifying a sub-carrier spacing (SCS) of synchronization signal and physical broadcast channel (SS/PBCH) blocks; and
identifying a SS/PBCH block pattern related to one or more candidate SS/PBCH blocks for a half frame based on the SCS wherein:
the SCS is 480 kHz or 960 kHz, and
first symbols of the one or more candidate SS/PBCH blocks in the half frame have indexes {2,9}+14·n, where n=0, 1, 2, 3 . . . , 31; and
receiving a SS/PBCH block based on the identified SS/PBCH block pattern.
12. The method of claim 11 , wherein
a maximum number of the one or more candidate SS/PBCH blocks in the half frame is 64.
13. The method of claim 12 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation without shared spectrum channel access.
14. The method of claim 12 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation with shared spectrum channel access.
15. A method of a base station (BS) in a wireless communication system, the method comprising:
identifying a sub-carrier spacing (SCS) of synchronization signal and physical broadcast channel (SS/PBCH) blocks;
identifying a SS/PBCH block pattern related to one or more candidate SS/PBCH blocks for a half frame based on the SCS, wherein:
the SCS is 480 kHz or 960 kHz, and
first symbols of the one or more candidate SS/PBCH blocks in the half frame have indexes {2,9}+14·n, where n=0, 1, 2, 3 . . . , 31; and
transmitting the SS/PBCH blocks based on the identified SS/PBCH block pattern.
16. The method of claim 13 , wherein a maximum number of the one or more candidate SS/PBCH blocks in the half frame is 64.
17. The method of claim 13 , wherein a maximum number of SS/PBCH blocks transmitted within the half frame is 64 for an operation without shared spectrum channel access and for an operation with shared spectrum channel access.
18. The method of claim 15 , wherein the wireless communication system operates in carrier frequencies within a frequency range between 52600 MHz and 71000 MHz.
19. The method of claim 11 , wherein the wireless communication system operates in carrier frequencies within a frequency range between 52600 MHz and 71000 MHz.