Usage of synchronization signal block index in new radio

1. A method of wireless communication at a base station, comprising:

determining a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

scrambling information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, the SS block index portion is comprised of x least significant bits of the determined SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

transmitting the SS block, wherein the SS Block includes the scrambled information.

2. The method of claim 1 , wherein the information includes a reference signal (RS), the RS comprising at least one of channel state information (CSI) RS (CSI-RS), measurement RS (MRS), demodulation RS (DMRS), or a phase-noise tracking RS (PT-RS).

3. The method of claim 2 , wherein the scrambled information comprises DMRS.

4. The method of claim 1 , wherein the control information is associated with a physical downlink control channel (PDCCH).

5. The method of claim 1 , wherein the scrambled information comprises broadcast information on a physical broadcast channel (PBCH).

6. The method of claim 1 , wherein the SS block includes at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a physical broadcast channel (PBCH).

7. The method of claim 1 , wherein the SS block index is further based on an index of the SS block within an SS burst within an SS burst set.

8. The method of claim 7 , wherein the SS block index is based on a first parameter that indicates the SS block within an SS burst, and a second parameter that indicates the SS burst within an SS burst set.

9. The method of claim 1 , wherein x is based on a maximum time length of an SS burst.

10. The method of claim 9 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

11. A method of wireless communication at a base station, comprising:

determining a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

scrambling information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, and the information includes broadcast information associated with control information; and

transmitting the SS block, wherein the SS Block includes the scrambled information;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the determined SS block index.

12. A method of wireless communication at a user equipment (UE), comprising:

receiving a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index portion comprises a portion of the SS block index, the SS block index portion is comprised of x least significant bits of the SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

descrambling the scrambled information based on the SS block index portion.

13. The method of claim 12 , wherein the information includes a reference signal (RS) which is at least one of channel state information (CSI) RS (CSI-RS), measurement RS (MRS), demodulation RS (DMRS), or a phase-noise tracking RS (PT-RS).

14. The method of claim 13 , wherein the scrambled information comprises DMRS.

15. The method of claim 12 , wherein the control information is associated with a physical downlink control channel (PDCCH).

16. The method of claim 12 , wherein the scrambled information comprises broadcast information on a physical broadcast channel (PBCH).

17. The method of claim 12 , wherein the SS block includes at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a physical broadcast channel (PBCH).

18. The method of claim 12 , wherein x is based on a maximum time length of an SS burst.

19. The method of claim 18 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

20. An apparatus for wireless communication at a base station, comprising:

a memory; and

at least one processor coupled to the memory and configured to:

determine a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

scramble information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, the SS block index portion is comprised of x least significant bits of the determined SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

transmit the SS block, the SS block including the scrambled information.

21. The apparatus of claim 20 , wherein the information includes a reference signal (RS) which is at least one of channel state information (CSI) RS (CSI-RS), measurement RS (MRS), demodulation RS (DMRS), or a phase-noise tracking RS (PT-RS).

22. The apparatus of claim 21 , wherein the scrambled information comprises DMRS.

23. The apparatus of claim 20 , wherein the control information is associated with a physical downlink control channel (PDCCH).

24. The apparatus of claim 20 , wherein the scrambled information comprises broadcast information on a physical broadcast channel (PBCH).

25. The apparatus of claim 24 , wherein the SS block includes at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a physical broadcast channel (PBCH).

26. The apparatus of claim 20 , wherein x is based on a maximum time length of an SS burst.

27. The apparatus of claim 26 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

28. An apparatus for wireless communication at a base station, comprising:

a memory; and

at least one processor coupled to the memory and configured to:

determine a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

scramble information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, and the information includes broadcast information associated with control information; and

transmit the SS block, the SS block including the scrambled information;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the determined SS block index.

29. An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

receive a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index portion comprises a portion of the SS block index, the SS block index portion is comprised of x least significant bits of the SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

descramble the scrambled information based on the SS block index portion.

30. The apparatus of claim 29 , wherein the information includes a reference signal (RS) which is at least one of channel state information (CSI) RS (CSI-RS), measurement RS (MRS), demodulation RS (DMRS), or a phase-noise tracking RS (PT-RS).

31. The apparatus of claim 30 , wherein the scrambled information comprises DMRS.

32. The apparatus of claim 29 , wherein the control information is associated with a physical downlink control channel (PDCCH).

33. The apparatus of claim 29 , wherein the scrambled information comprises broadcast information on a physical broadcast channel (PBCH).

34. The apparatus of claim 29 , wherein the SS block includes at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), or a physical broadcast channel (PBCH).

35. The apparatus of claim 29 , wherein x is based on a maximum time length of an SS burst.

36. The apparatus of claim 35 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

37. An apparatus for wireless communication at a base station, comprising:

means for determining a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

means for scrambling information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, the SS block index portion is comprised of x least significant bits of the determined SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

means for transmitting the SS block, wherein the SS Block includes the scrambled information.

38. The apparatus of claim 37 , wherein the control information is associated with a physical downlink control channel (PDCCH).

39. The apparatus of claim 37 , wherein the scrambled information comprises broadcast information on a physical broadcast channel (PBCH).

40. The apparatus of claim 37 , wherein x is based on a maximum time length of an SS burst.

41. The apparatus of claim 40 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

42. An apparatus for wireless communication at a user equipment (UE), comprising:

means for receiving a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index portion comprises a portion of the SS block index, the SS block index portion is comprised of x least significant bits of the SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

means for descrambling the scrambled information based on the SS block index portion.

43. The apparatus of claim 42 , wherein the control information is associated with a physical downlink control channel (PDCCH).

44. The apparatus of claim 42 , wherein the scrambled information comprises broadcast information on a physical broadcast channel (PBCH).

45. The apparatus of claim 42 , wherein x is based on a maximum time length of an SS burst.

46. The apparatus of claim 45 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

47. A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:

determine a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

scramble information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, the SS block index portion is comprised of x least significant bits of the determined SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

transmit the SS block, wherein the SS Block includes the scrambled information.

48. The non-transitory computer readable medium of claim 47 , wherein x is based on a maximum time length of an SS burst.

49. The non-transitory computer readable medium of claim 48 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

50. A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:

receive a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index block portion comprises a portion of the SS block index, the SS block index portion is comprised of x least significant bits of the SS block index, where x is an integer less than the number of bits of the SS block index, and the information includes broadcast information associated with control information; and

descramble the scrambled information based on the SS block index portion.

51. The non-transitory computer readable medium of claim 50 , wherein x is based on a maximum time length of an SS burst.

52. The non-transitory computer readable medium of claim 51 , wherein x is 2 if the maximum length is 4, and x is 3 if the maximum length is 8 or 64.

53. A method of wireless communication at a user equipment (UE), comprising:

receiving a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index portion comprises a portion of the SS block index, and the information includes broadcast information associated with control information; and

descrambling the scrambled information based on the SS block index portion;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the SS block index.

54. An apparatus for wireless communication at a user equipment (UE), comprising:

a memory; and

at least one processor coupled to the memory and configured to:

receive a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index portion comprises a portion of the SS block index, and the information includes broadcast information associated with control information; and

descramble the scrambled information based on the SS block index portion;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the SS block index.

55. An apparatus for wireless communication at a base station, comprising:

means for determining a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

means for scrambling information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, and the information includes broadcast information associated with control information; and

means for transmitting the SS block, wherein the SS Block includes the scrambled information;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the determined SS block index.

56. An apparatus for wireless communication at a user equipment (UE), comprising:

means for receiving a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index portion comprises a portion of the SS block, and the information includes broadcast information associated with control information; and

means for descrambling the scrambled information based on the SS block index portion;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the SS block index.

57. A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:

determine a synchronization signal (SS) block index associated with an SS block, wherein the SS block index is based on an index of the SS block within an SS burst;

scramble information based on a SS block index portion, wherein the SS block index portion comprises a portion of the determined SS block index, and the information includes broadcast information associated with control information; and

transmit the SS block, wherein the SS Block includes the scrambled information;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the determined SS block index.

58. A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:

receive a synchronization signal (SS) block, the SS block including information scrambled based on a SS block index portion, wherein a SS block index is based on an index of the SS block within an SS burst, and the SS block index block portion comprises a portion of the SS block index, and the information includes broadcast information associated with control information; and

descramble the scrambled information based on the SS block index portion;

wherein the scrambled information includes a Cyclic Redundancy Check (CRC) scrambled based on the SS block index portion, wherein the control information is associated with the CRC and is sent on a control channel to a user equipment (UE), and wherein the scrambled information conveys a quasi-colocation (QCL) parameter to the UE associating the control channel with the SS block index.