Systems, apparatus and methods for communicating downlink information

• US 9,106,378 B2
• Filed: 06/02/2010
• Issued: 08/11/2015
• Est. Priority Date: 06/10/2009
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Luo, Tao, Wei, Yongbin, Malladi, Durga Prasad
• Primary Examiner(s): SHAHEED, KHALID W
• Application Number:
  US12/792,411
• Publication Number:
  US 20110053603A1
• Time in Patent Office: 1,896 Days
• Field of Search: 370/329, 370/328, 370/335, 370/350, 370/342, 370/330, 370/347, 370/338, 455/502, 455/450, 455/525
• US Class Current: 1/1
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 28/04 Error control

Abstract

Systems and methods facilitating communication of downlink information are provided. In one embodiment, a method can include receiving a signal indicative of a base station enabling or disabling a function, wherein the function is configured to transmit information carried in control channels using selected downlink information; receiving the selected downlink information at one or more locations; and determining a resource allocation of at least one of paging information or system information or unicast data information based, at least, on the selected downlink information. The determining can be performed without decoding control channels corresponding to the selected downlink information in response to receiving a signal indicative of the function being enabled.

Claims

1. A method for facilitating communication of downlink information in a wireless communication system, the method comprising:

receiving, by a user equipment (UE) and from a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information;

receiving, by the UE, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations; and

determining, by the UE, a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to receiving the signal indicative of the function being enabled.

2. The method of claim 1, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

3. The method of claim 1, wherein the selected downlink information is received on at least one of a physical control format indicator channel or a physical downlink control channel.

4. The method of claim 1, wherein receiving downlink information comprises blind decoding at the one or more locations based, at least, on receiving the selected downlink information at at least two of the one or more locations.

5. The method of claim 1, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

41. The method of claim 2, wherein the selected downlink information is information indicative of a cell identity.

42. The method of claim 2, wherein the selected downlink information is information indicative of a system frame number.

43. The method of claim 2, wherein the selected downlink information is information indicative of a cyclic prefix type.

44. The method of claim 2, wherein the selected downlink information is information indicative of a closed subscriber group.

45. The method of claim 5, wherein a physical broadcast channel includes information about the signal indicative of enabling or disabling a function.

46. The method of claim 5, wherein a reference signal includes information about the signal indicative of enabling or disabling a function.

47. The method of claim 5, wherein a primary synchronization signal includes information about the signal indicative of enabling or disabling a function.

48. The method of claim 5, wherein a secondary synchronization signal includes information about the signal indicative of enabling or disabling a function.

49. The method of claim 5, wherein a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

6. A computer program product, stored on a non-transitory computer-readable medium, and comprising code for causing a computer to:

receive, by a user equipment (UE) and from a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information;

receive, by the UE, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations; and

determine, by the UE, a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to receiving the signal indicative of the function being enabled.

7. The computer program product of claim 6, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

8. The computer program product of claim 6, wherein the selected downlink information is received on at least one of a physical control format indicator channel or a physical downlink control channel.

9. The computer program product of claim 6, wherein receiving selected downlink information comprises blind decoding at the one or more locations based, at least, on receiving the selected downlink information at at least two of the one or more locations.

10. The computer program product of claim 6, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

11. An apparatus, comprising:

means for receiving, by a user equipment (UE) and from a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information;

means for receiving, by the UE, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations; and

means for determining, by the UE, a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to receiving the signal indicative of the function being enabled.

12. The apparatus of claim 11, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

13. The apparatus of claim 11, wherein the selected downlink information is received on at least one of a physical control format indicator channel or a physical downlink control channel.

14. The apparatus of claim 11, wherein receiving downlink information comprises blind decoding at the one or more locations based, at least, on receiving the selected downlink information at at least two of the one or more locations.

15. The apparatus of claim 11, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

16. An apparatus, comprising:

a memory; and

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

receive, at a user equipment (UE) and from a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information;

receive, at the UE, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations; and

determine, at the UE, a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to receiving the signal indicative of the function being enabled.

17. The apparatus of claim 16, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

18. The apparatus of claim 16, wherein the selected downlink information is received on at least one of a physical control format indicator channel or a physical downlink control channel.

19. The apparatus of claim 16, wherein receiving downlink information comprises blind decoding at the one or more locations based, at least, on receiving the selected downlink information at at least two of the one or more locations.

20. The apparatus of claim 16, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

21. A method for facilitating communication of downlink information in a wireless communication system, the method comprising:

transmitting, by a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information; and

transmitting, by the base station, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations, wherein the selected downlink information is configured to enable a user equipment to determine a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to transmitting the signal indicative of the function being enabled.

22. The method of claim 21, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

23. The method of claim 21, wherein the selected downlink information is transmitted on at least one of a physical control format indicator channel or a physical downlink control channel.

24. The method of claim 21, wherein the one or more locations are not unique to one another.

25. The method of claim 21, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

26. A computer program product, stored on a non-transitory computer-readable medium, and comprising code for causing a computer to:

transmit, by a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information; and

transmit, by the base station, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations, wherein the selected downlink information is configured to enable a user equipment to determine a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to transmitting the signal indicative of the function being enabled.

27. The computer program product of claim 26, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

28. The computer program product of claim 26, wherein the selected downlink information is transmitted on at least one of a physical control format indicator channel or a physical downlink control channel.

29. The computer program product of claim 26, wherein the one or more locations are not unique to one another.

30. The computer program product of claim 26, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

31. An apparatus, comprising:

means for transmitting, by a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information; and

means for transmitting, by the base station, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations, wherein the selected downlink information is configured to enable a user equipment to determine a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to transmitting the signal indicative of the function being enabled.

32. The apparatus of claim 31, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

33. The apparatus of claim 31, wherein the selected downlink information is transmitted on at least one of a physical control format indicator channel or a physical downlink control channel.

34. The apparatus of claim 31, wherein the one or more locations are not unique to one another.

35. The apparatus of claim 31, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.

36. An apparatus, comprising:

a memory; and

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

transmit, from a base station, a signal indicative of the base station enabling or disabling a function, wherein the function is configured to transmit at least one of a paging information, a system information or a unicast data information at one or more locations based on selected downlink information; and

transmit, from the base station, the at least one of the paging information, the system information or the unicast data information transmitted at the one or more locations, wherein the selected downlink information is configured to enable a user equipment to determine a resource allocation of the at least one of the paging information, the system information or the unicast data information based, at least, on the selected downlink information, wherein the determining is performed without decoding control channels corresponding to the at least one of the paging information, the system information or the unicast data information and in response to transmitting the signal indicative of the function being enabled.

37. The apparatus of claim 36, wherein the selected downlink information is information indicative of at least one of a cell identity, a system frame number, a cyclic prefix type or a closed subscriber group.

38. The apparatus of claim 36, wherein the selected downlink information is transmitted on at least one of a physical control format indicator channel or a physical downlink control channel.

39. The apparatus of claim 36, wherein the one or more locations are not unique to one another.

40. The apparatus of claim 36, wherein at least one of a physical broadcast channel, a reference signal, a primary synchronization signal, a secondary synchronization signal or a pseudorandom sequence includes information about the signal indicative of enabling or disabling a function.