METHOD AND APPARATUS FOR CARRIER IDENTITY DETERMINATION IN MULTI-CARRIER COMMUNICATION SYSTEMS

• US 20090257358A1
• Filed: 04/23/2008
• Published: 10/15/2009
• Est. Priority Date: 04/15/2008
• Status: Active Grant

• Current Assignee: Qualcomm, Inc.
• Original Assignee: Qualcomm, Inc.
• Inventors: Horn, Gavin Bernard, Gupta, Rajarshi, Stamoulis, Anastasios
• Granted Patent: US 8,427,967 B2
• Time in Patent Office: Days
• US Class Current: 370/252
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 72/563 of the wireless resources

Abstract

Systems and methods are described that facilitate the determination and request of resources a node may wish to reserve. The resources include a plurality of carriers that are shared with other nodes. In an approach, the node determines a condition related to the plurality of carriers; creates an ordering of the plurality of resources; and transmits a resource utilization message (RUM) for one or more of the plurality of resources based on the ordering and the condition.

Claims

1. A method of wireless data communication comprising:

determining a condition related to a plurality of resources;

creating an ordering of the plurality of resources; and

transmitting a resource utilization message (RUM) for at least one of the plurality of resources based on the ordering and the condition.

2. The method of claim 1, wherein the condition comprises at least one of a level of interference over thermal noise (IOT), a carrier-to-interference ratio (C/I), and a level of spectral efficiency for the plurality of resources.

3. The method of claim 1, wherein the condition comprises a quality of service (QoS) requirement for the plurality of resources, wherein the QoS requirement comprises at least one of a data rate, an amount of data to transmit, a level of latency, and a traffic class.

4. The method of claim 1, wherein the determination comprises:

receiving a signal, and

deriving the condition from the signal.

5. The method of claim 4, wherein the signal comprises an indication of a preferred ordering of the plurality of resources

6. The method of claim 4, wherein the signal comprises an indication of at least one of a level of interference over thermal noise (IOT), a carrier-to-interference ratio (C/I), a level of spectral efficiency, and one or more received RUMs for the plurality of resources determined at an associated node.

7. The method of claim 1, wherein the ordering satisfies a predetermined partitioning scheme.

8. The method of claim 7, wherein the predetermined partitioning scheme specifies a predetermined set of resources for which to transmit an RUM according to a type of traffic.

9. The method of claim 1, wherein the ordering is based on a pseudo-random sequence.

10. The method of claim 1, wherein the ordering is based on a result of previous RUMs transmitted for the plurality of resources.

11. The method of claim 10, wherein the result of previous RUMs transmitted comprises at least one of a number of successful transmissions, a number of unsuccessful transmissions, a number of previously transmitted RUMs, and a number of RUMs previously transmitted for the plurality of resources by other nodes.

12. An apparatus for wireless data communication comprising:

means for determining a condition related to a plurality of resources;

means for creating an ordering of the plurality of resources; and

means for transmitting a resource utilization message (RUM) for at least one of the plurality of resources based on the ordering and the condition.

13. The apparatus of claim 12, wherein the condition comprises at least one of a level of interference over thermal noise (IOT), a carrier-to-interference ratio (C/I), and a level of spectral efficiency for the plurality of resources.

14. The apparatus of claim 12, wherein the condition comprises a quality of service (QoS) requirement for the plurality of resources, wherein the QoS requirement comprises at least one of a data rate, an amount of data to transmit, a level of latency, and a traffic class.

15. The apparatus of claim 12, wherein the determination means comprises:

means for receiving a signal, and

means for deriving the condition from the signal.

16. The apparatus of claim 15, wherein the signal comprises an indication of a preferred ordering of the plurality of resources.

17. The apparatus of claim 15, wherein the signal comprises an indication of at least one of a level of interference over thermal noise (IOT), a carrier-to-interference ratio (C/I), a level of spectral efficiency, and one or more received RUMs for the plurality of resources determined at an associated node.

18. The apparatus of claim 12, wherein the ordering satisfies a predetermined partitioning scheme.

19. The apparatus of claim 18, wherein the predetermined partitioning scheme specifies a predetermined set of resources for which to transmit an RUM according to a type of traffic.

20. The apparatus of claim 12, wherein the ordering is based on a pseudo-random sequence.

21. The apparatus of claim 12, wherein the ordering is based on a result of previous RUMs transmitted for the plurality of resources.

22. The apparatus of claim 21, wherein the result of previous RUMs transmitted comprises at least one of a number of successful transmissions, a number of unsuccessful transmissions, a number of previously transmitted RUMs, and a number of RUMs previously transmitted for the plurality of resources by other nodes.

23. An access point comprising:

an antenna; and

,

a processing system coupled to the antenna and configured to;

determine a condition related to a plurality of resources via the antenna;

create an ordering of the plurality of resources; and

transmit a resource utilization message (RUM) for at least one of the plurality of resources based on the ordering and the condition.

24. An access terminal comprising:

a transducer; and

,

a processing system coupled to the transducer and configured to;

determine a condition related to a plurality of resources usable to communicate data usable with the transducer;

create an ordering of the plurality of resources; and

transmit a resource utilization message (RUM) for at least one of the plurality of resources based on the ordering and the condition.

25. A computer program product for wireless data communication comprising:

a computer readable medium comprising codes executable to;

determine a condition related to a plurality of resources;

create an ordering of the plurality of resources; and

transmit a resource utilization message (RUM) for at least one of the plurality of resources based on the ordering and the condition.

26. An apparatus for wireless data communication comprising:

a processing system configured to;

determine a condition related to a plurality of resources;

create an ordering of the plurality of resources; and

transmit a resource utilization message (RUM) for at least one of the plurality of resources based on the ordering and the condition.

27. The apparatus of claim 26, wherein the condition comprises at least one of a level of interference over thermal noise (IOT), a carrier-to-interference ratio (C/I), and a level of spectral efficiency for the plurality of resources.

28. The apparatus of claim 26, wherein the condition comprises a quality of service (QoS) requirement for the plurality of resources, wherein the QoS requirement comprises at least one of a data rate, an amount of data to transmit, a level of latency, and a traffic class.

29. The apparatus of claim 26, wherein the processing system is further configured to:

receive a signal, and

derive the condition from the signal.

30. The apparatus of claim 29, wherein the signal comprises an indication of a preferred ordering of the plurality of resources.

31. The apparatus of claim 29, wherein the signal comprises an indication of at least one of a level of interference over thermal noise (IOT), a carrier-to-interference ratio (C/I), a level of spectral efficiency, and one or more received RUMs for the plurality of resources determined at an associated node.

32. The apparatus of claim 26, wherein the ordering satisfies a predetermined partitioning scheme.

33. The apparatus of claim 32, wherein the predetermined partitioning scheme specifies a predetermined set of resources for which to transmit an RUM according to a type of traffic.

34. The apparatus of claim 26, wherein the ordering is based on a pseudo-random sequence.

35. The apparatus of claim 26, wherein the ordering is based on a result of previous RUMs transmitted for the plurality of resources.

36. The apparatus of claim 35, wherein the result of previous RUMs transmitted comprises at least one of a number of successful transmissions, a number of unsuccessful transmissions, a number of previously transmitted RUMs, and a number of RUMs previously transmitted for the plurality of resources by other nodes.