Conveying hypotheses through resource selection of synchronization and broadcast channels

• US 10,498,437 B2
• Filed: 05/30/2017
• Issued: 12/03/2019
• Est. Priority Date: 06/01/2016
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Islam, Muhammad Nazmul, Abedini, Navid, Luo, Tao, Subramanian, Sundar, Cezanne, Juergen, Sampath, Ashwin, Gorokhov, Alexei Yurievitch, Li, Junyi, Sadiq, Bilal
• Primary Examiner(s): Corrielus, Jean B
• Application Number:
  US15/608,887
• Publication Number:
  US 20170353234A1
• Time in Patent Office: 917 Days
• CPC Class Codes: H04B 7/04 using two or more spaced independent antennas
• CPC Class Codes: H04B 7/2681 Synchronisation of a mobile station with one base station
• CPC Class Codes: H04L 1/0003 by switching between different modulation schemes
• CPC Class Codes: H04L 1/0009 by adapting the channel coding H04L1/1812 takes precedence
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/0625 Transmitter arrangements
• CPC Class Codes: H04L 25/022 of frequency response
• CPC Class Codes: H04L 27/2601 Multicarrier modulation systems
• CPC Class Codes: H04L 27/2605 Symbol extensions, e.g. Zero Tail, Unique Word [UW]
• CPC Class Codes: H04L 27/2613 Structure of the reference signals
• CPC Class Codes: H04L 27/2692 with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
• CPC Class Codes: H04L 5/005 of common pilots, i.e. pilots destined for multiple users or terminals
• CPC Class Codes: H04L 5/0051 of dedicated pilots, i.e. pilots destined for a single user or terminal
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• CPC Class Codes: H04W 56/0015 one node acting as a reference for the others

Abstract

According to an aspect of the disclosure, a base station may convey the parameter information to the UE based on selection of particular resources to be used for transmission of synchronization signals, where the selected resources correspond to the particular parameter information. The UE may blindly detect the synchronization signals on various candidate resources and determine the parameter information based on the resources where the synchronization signals are detected. The apparatus may be a base station. In an aspect, the base station determines parameter information of one or more parameters. The base station selects, based on the parameter information, synchronization resources from a plurality of candidate resources for transmission of one or more synchronization signals, where the selected synchronization resources correspond to the parameter information. The base station transmits the one or more synchronization signals using the selected synchronization resources.

Claims

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

determining parameter information of one or more parameters;

selecting, based on the parameter information, synchronization resources from a plurality of candidate resources for transmission of one or more synchronization signals, wherein the selected synchronization resources correspond to the parameter information; and

transmitting the one or more synchronization signals using the selected synchronization resources.

2. The method of claim 1, wherein the parameter information of the one or more parameters includes a parameter value of a beam reference signal (BRS) transmission parameter.

3. The method of claim 1, wherein the parameter information of the one or more parameters includes a parameter value of a cyclic prefix (CP) duration parameter, wherein the CP duration parameter indicates whether an extended CP (ECP) is used or a normal CP (NCP) is used.

4. The method of claim 2, wherein the BRS transmission parameter includes at least one of a BRS transmission indicator or a BRS configuration parameter, the BRS transmission indicator indicating whether a BRS transmission is triggered or not and the BRS configuration parameter indicating a resource for transmission of a BRS.

5. The method of claim 1, wherein the parameter information of the one or more parameters includes a parameter value of a duplex configuration parameter, wherein the duplex configuration parameter indicates whether the base station utilizes a time division duplex (TDD) or a frequency division duplex (FDD).

6. The method of claim 1, wherein the selecting the synchronization resources from the plurality of candidate resources comprises:

selecting a number of guard subcarriers positioned between subcarrier resources for at least two of the one or more synchronization signals within the synchronization resources, wherein the number of guard subcarriers indicates the parameter information,

wherein the synchronization resources are selected based on the number of guard sub carriers.

7. The method of claim 1, wherein the selecting the synchronization resources from the plurality of candidate resources comprises:

selecting a distance between center frequencies of at least two of the one or more synchronization signals within the synchronization resources,

wherein the synchronization resources are selected based on the distance between the center frequencies.

8. The method of claim 1, wherein the selecting the synchronization resources from the plurality of candidate resources comprises:

determining a position of a subcarrier resource for at least one synchronization signal of the one or more synchronization signals within the synchronization resources, wherein the position of the subcarrier resource indicates the parameter information,

wherein the synchronization resources are selected based on the position of the subcarrier resource.

9. The method of claim 1, wherein the selecting the synchronization resources from the plurality of candidate resources comprises:

determining an order of at least two of the one or more synchronization signals, wherein the order indicates the parameter information,

wherein the synchronization resources are selected based on the order of the at least two of the one or more synchronization signals.

10. The method of claim 1, wherein the one or more synchronization signals include at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), an extended synchronization signal (ESS), a beam reference signal (BRS), or a physical broadcast channel (PBCH) signal.

11. The method of claim 1, wherein the one or more synchronization signals are transmitted via one or more millimeter wave (MMW) beams.

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

detecting one or more synchronization signals in a plurality of candidate resources;

determining synchronization resources on which the one or more synchronization signals are detected in the plurality of candidate resources; and

determining parameter information of one or more parameters based on the determined synchronization resources, wherein the determined synchronization resources correspond to the parameter information.

13. The method of claim 12, wherein the parameter information of the one or more parameters includes a parameter value of a beam reference signal (BRS) transmission parameter.

14. The method of claim 12, wherein the parameter information of the one or more parameters includes a parameter value of a cyclic prefix (CP) duration parameter, wherein the CP duration parameter indicates whether an extended CP (ECP) is used or a normal CP (NCP) is used.

15. The method of claim 13, wherein the BRS transmission parameter includes at least one of a BRS transmission indicator or a BRS configuration parameter, the BRS transmission indicator indicating whether a BRS transmission is triggered or not and the BRS configuration parameter indicating a resource for transmission of a BRS.

16. The method of claim 13, wherein the parameter information of the one or more parameters includes a parameter value of a duplex configuration parameter, wherein the duplex configuration parameter indicates whether a base station utilizes a time division duplex (TDD) or a frequency division duplex (FDD).

17. The method of claim 12, wherein the determining the parameter information of the one or more parameters comprises:

determining the parameter information based on a number of guard subcarriers positioned between subcarrier resources for transmitting at least two of the one or more synchronization signals within the synchronization resources, wherein the number of guard subcarriers indicates the parameter information.

18. The method of claim 12, wherein the determining the parameter information of the one or more parameters comprises:

determining the parameter information based a distance between center frequencies of at least two of the one or more synchronization signals within the synchronization resources.

19. The method of claim 12, wherein the determining the parameter information of the one or more parameters comprises:

determining the parameter information based a position of a subcarrier resource for at least one synchronization signal of the one or more synchronization signals within the synchronization resources, wherein the position of the subcarrier resource indicates the parameter information.

20. The method of claim 12, wherein the determining the parameter information of the one or more parameters comprises:

determining the parameter information based on an order of at least two of the one or more synchronization signals, wherein the order indicates the parameter information.

21. The method of claim 12, wherein the one or more synchronization signals include at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), an extended synchronization signal (ESS), a beam reference signal (BRS), or a physical broadcast channel (PBCH) signal.

22. The method of claim 12, wherein the one or more synchronization signals are transmitted via one or more millimeter wave (MMW) beams.

23. A base station for wireless communication, comprising:

means for determining parameter information of one or more parameters;

means for selecting, based on the parameter information, synchronization resources from a plurality of candidate resources for transmission of one or more synchronization signals, wherein the selected synchronization resources correspond to the parameter information; and

means for transmitting the one or more synchronization signals using the selected synchronization resources.

24. The base station of claim 23, wherein the parameter information of the one or more parameters includes a beam reference signal (BRS) transmission parameter.

25. The base station of claim 23, wherein the parameter information of the one or more parameters includes a parameter value of a cyclic prefix (CP) duration parameter, wherein the CP duration parameter indicates whether an extended CP (ECP) is used or a normal CP (NCP) is used.

26. The base station of claim 24, wherein the BRS transmission parameter includes at least one of a BRS transmission indicator or a BRS configuration parameter, the BRS transmission indicator indicating whether a BRS transmission is triggered or not and the BRS configuration parameter indicating a resource for transmission of a BRS.

27. The base station of claim 23, wherein the parameter information of the one or more parameters includes a parameter value of a duplex configuration parameter, wherein the duplex configuration parameter indicates whether the base station utilizes a time division duplex (TDD) or a frequency division duplex (FDD).

28. The base station of claim 23, wherein the means for selecting the synchronization resources from the plurality of candidate resources is further configured to:

select a number of guard subcarriers positioned between subcarrier resources for at least two of the one or more synchronization signals within the synchronization resources, wherein the number of guard subcarriers indicates the parameter information,

wherein the synchronization resources are selected based on the number of guard sub carriers.

29. The base station of claim 23, wherein the means for selecting the synchronization resources from the plurality of candidate resources is further configured to:

select a distance between center frequencies of at least two of the one or more synchronization signals within the synchronization resources,

wherein the synchronization resources are selected based on the distance between the center frequencies.

30. The base station of claim 23, wherein the means for selecting the synchronization resources from the plurality of candidate resources is further configured to:

determine a position of a subcarrier resource for at least one synchronization signal of the one or more synchronization signals within the synchronization resources, wherein the position of the subcarrier resource indicates the parameter information,

wherein the synchronization resources are selected based on the position of the subcarrier resource.

31. The base station of claim 23, wherein the means for selecting the synchronization resources from the plurality of candidate resources is further configured to:

determine an order of at least two of the one or more synchronization signals, wherein the order indicates the parameter information,

wherein the synchronization resources are selected based on the order of the at least two of the one or more synchronization signals.

32. The base station of claim 23, wherein the one or more synchronization signals include at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), an extended synchronization signal (ESS), a beam reference signal (BRS), or a physical broadcast channel (PBCH) signal.

33. The base station of claim 23, wherein the one or more synchronization signals are transmitted via one or more millimeter wave (MMW) beams.

34. A user equipment (UE) for wireless communication, comprising:

means for detecting a one or more synchronization signals in a plurality of candidate resources;

means for determining synchronization resources on which the one or more synchronization signals are detected in the plurality of candidate resources; and

means for determining parameter information of one or more parameters based on the determined synchronization resources, wherein the determined synchronization resources correspond to the parameter information.

35. The UE of claim 34, wherein the parameter information of the one or more parameters includes a parameter value of a beam reference signal (BRS) transmission parameter.

36. The UE of claim 34, wherein the parameter information of the one or more parameters includes a parameter value of a cyclic prefix (CP) duration parameter, wherein the CP duration parameter indicates whether an extended CP (ECP) is used or a normal CP (NCP) is used.

37. The UE of claim 35, wherein the BRS transmission parameter includes at least one of a BRS transmission indicator or a BRS configuration parameter, the BRS transmission indicator indicating whether a BRS transmission is triggered or not and the BRS configuration parameter indicating a resource for transmission of a BRS.

38. The UE of claim 34, wherein the parameter information of the one or more parameters includes a parameter value of a duplex configuration parameter, wherein the duplex configuration parameter indicates whether a base station utilizes a time division duplex (TDD) or a frequency division duplex (FDD).

39. The UE of claim 34, wherein the means for determining the parameter information of the one or more parameters is further configured to:

determine the parameter information based on a number of guard subcarriers positioned between subcarrier resources for transmitting at least two of the one or more synchronization signals within the synchronization resources, wherein the number of guard subcarrier indicates the parameter information.

40. The UE of claim 34, wherein the means for determining the parameter information of the one or more parameters is further configured to:

determine the parameter information based a distance between center frequencies of at least two of the one or more synchronization signals within the synchronization resources.

41. The UE of claim 34, wherein the means for determining the parameter information of the one or more parameters is further configured to:

determine the parameter information based a position of a subcarrier resource for at least one synchronization signal of the one or more synchronization signals within the synchronization resources, wherein the position of the subcarrier resource indicates the parameter information.

42. The UE of claim 34, wherein the means for determining the parameter information of the one or more parameters is further configured to:

determine the parameter information based on an order of at least two of the one or more synchronization signals, wherein the order indicates the parameter information.

43. The UE of claim 34, wherein the one or more synchronization signals include at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), an extended synchronization signal (ESS), a beam reference signal (BRS), or a physical broadcast channel (PBCH) signal.

44. The UE of claim 34, wherein the one or more synchronization signals are transmitted via one or more millimeter wave (MMW) beams.

45. A base station for wireless communication, comprising:

a memory; and

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

determine parameter information of one or more parameters;

select, based on the parameter information, synchronization resources from a plurality of candidate resources for transmission of one or more synchronization signals, wherein the selected synchronization resources correspond to the parameter information; and

transmit the one or more synchronization signals using the selected synchronization resources.

46. The base station of claim 45, wherein the parameter information of the one or more parameters includes a beam reference signal (BRS) transmission parameter.

47. The base station of claim 45, wherein the parameter information of the one or more parameters includes a parameter value of a cyclic prefix (CP) duration parameter, wherein the CP duration parameter indicates whether an extended CP (ECP) is used or a normal CP (NCP) is used.

48. The base station of claim 46, wherein the BRS transmission parameter includes at least one of a BRS transmission indicator or a BRS configuration parameter, the BRS transmission indicator indicating whether a BRS transmission is triggered or not and the BRS configuration parameter indicating a resource for transmission of a BRS.

49. The base station of claim 47, wherein the parameter information of the one or more parameters includes a parameter value of a duplex configuration parameter, wherein the duplex configuration parameter indicates whether the base station utilizes a time division duplex (TDD) or a frequency division duplex (FDD).

50. The base station of claim 45, wherein the at least one processor configured to select the synchronization resources from the plurality of candidate resources is configured to:

select a number of guard subcarriers positioned between subcarrier resources for at least two of the one or more synchronization signals within the synchronization resources, wherein the number of guard subcarriers indicates the parameter information,

wherein the synchronization resources are selected based on the number of guard sub carriers.

51. The base station of claim 45, wherein the at least one processor configured to select the synchronization resources from the plurality of candidate resources is configured to:

select a distance between center frequencies of at least two of the one or more synchronization signals within the synchronization resources,

wherein the synchronization resources are selected based on the distance between the center frequencies.

52. The base station of claim 45, wherein the at least one processor configured to select the synchronization resources from the plurality of candidate resources is further configured to:

determine a position of a subcarrier resource for at least one synchronization signal of the one or more synchronization signals within the synchronization resources, wherein the position of the subcarrier resource indicates the parameter information,

wherein the synchronization resources are selected based on the position of the subcarrier resource.

53. The base station of claim 45, wherein the at least one processor configured to select the synchronization resources from the plurality of candidate resources is configured to:

determine an order of at least two of the one or more synchronization signals, wherein the order indicates the parameter information,

wherein the synchronization resources are selected based on the order of the at least two of the one or more synchronization signals.

54. The base station of claim 45, wherein the one or more synchronization signals include at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), an extended synchronization signal (ESS), a beam reference signal (BRS), or a physical broadcast channel (PBCH) signal.

55. The base station of claim 45, wherein the one or more synchronization signals are transmitted via one or more millimeter wave (MMW) beams.

56. A user equipment (UE) for wireless communication, comprising:

a memory; and

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

detect one or more synchronization signals in a plurality of candidate resources;

determine synchronization resources on which the one or more synchronization signals are detected in the plurality of candidate resources; and

determine parameter information of one or more parameters based on the determined synchronization resources, wherein the determined synchronization resources correspond to the parameter information.

57. The UE of claim 56, wherein the parameter information of the one or more parameters includes a parameter value of a beam reference signal (BRS) transmission parameter.

58. The UE of claim 56, wherein the parameter information of the one or more parameters includes a parameter value of a cyclic prefix (CP) duration parameter, wherein the CP duration parameter indicates whether an extended CP (ECP) is used or a normal CP (NCP) is used.

59. The UE of claim 56, wherein the BRS transmission parameter includes at least one of a BRS transmission indicator or a BRS configuration parameter, the BRS transmission indicator indicating whether a BRS transmission is triggered or not and the BRS configuration parameter indicating a resource for transmission of a BRS.

60. The UE of claim 56, wherein the parameter information of the one or more parameters includes a parameter value of a duplex configuration parameter, wherein the duplex configuration parameter indicates whether a base station utilizes a time division duplex (TDD) or a frequency division duplex (FDD).

61. The UE of claim 56, wherein the at least one processor configured to determine the parameter information of the one or more parameters is further configured to:

determine the parameter information based on a number of guard subcarriers positioned between subcarrier resources for transmitting at least two of the one or more synchronization signals within the synchronization resources, wherein the number of guard subcarriers indicates the parameter information.

62. The UE of claim 56, wherein the at least one processor configured to determine the parameter information of the one or more parameters is further configured to:

determine the parameter information based a distance between center frequencies of at least two of the one or more synchronization signals within the synchronization resources.

63. The UE of claim 56, wherein the at least one processor configured to determine the parameter information of the one or more parameters is further configured to:

determine the parameter information based a position of a subcarrier resource for at least one synchronization signal of the one or more synchronization signals within the synchronization resources, wherein the position of the subcarrier resource indicates the parameter information.

64. The UE of claim 56, wherein the at least one processor configured to determine the parameter information of the one or more parameters is further configured to:

determine the parameter information based on an order of at least two of the one or more synchronization signals, wherein the order indicates the parameter information.

65. The UE of claim 56, wherein the one or more synchronization signals include at least one of a primary synchronization signal (PSS), a secondary synchronization signal (SSS), an extended synchronization signal (ESS), a beam reference signal (BRS), or a physical broadcast channel (PBCH) signal.

66. The UE of claim 56, wherein the one or more synchronization signals are transmitted via one or more millimeter wave (MMW) beams.

67. A non-transitory computer-readable medium storing computer executable code for a base station which when executed by a processor, causes the processor to:

determine parameter information of one or more parameters;

select, based on the parameter information, synchronization resources from a plurality of candidate resources for transmission of one or more synchronization signals, wherein the selected synchronization resources correspond to the parameter information; and

transmit the one or more synchronization signals using the selected synchronization resources.

68. A non-transitory computer-readable medium storing computer executable code for a user equipment (UE) which when executed by a processor, causes the processor to:

detect one or more synchronization signals in a plurality of candidate resources;

determine synchronization resources on which the one or more synchronization signals are detected in the plurality of candidate resources; and

determine parameter information of one or more parameters based on the determined synchronization resources, wherein the determined synchronization resources correspond to the parameter information.