Reporting Buffering Information

• US 20120250605A1
• Filed: 12/17/2009
• Published: 10/04/2012
• Est. Priority Date: 12/17/2009
• Status: Active Grant

• Current Assignee: WSOU Investments, LLC (WSOU Holdings, LLC)
• Original Assignee: Nokia Solutions and Networks US LLC (Nokia Corporation)
• Inventors: Du, Lei, Zhao, Zhuyan, Huang, Min, Zhou, Wei Hua
• Granted Patent: US 8,767,614 B2
• Time in Patent Office: Days
• US Class Current: 370/315
• CPC Class Codes: H04L 47/17 Interaction among intermediate nodes, e.g. hop by hop
• CPC Class Codes: H04L 49/90 Buffering arrangements
• CPC Class Codes: H04W 28/0278 using buffer status reports dynamic wireless traffic scheduling definition H04W72/12
• CPC Class Codes: H04W 28/12 using signalling between network elements
• CPC Class Codes: H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]

Abstract

A buffer information report can be sent to a system station from a node for relaying communications between at least one user station and the system station. The report is generated based on a report format used for uplink reporting by a user station. An indication is also sent to the system station that the node for relaying has different buffering capabilities than the user station. At the system station the buffering capabilities of the node for relaying can be determined based on the buffer information report and the indication. Communications between the system station and the node for relaying can then be controlled accordingly.

Claims

1. A method comprising:

sending a buffer information report to a system station from a node for relaying communications between at least one user station and the system station, the report being generated based on a report format used for uplink reporting by a user station; and

sending an indication to the system station that the node for relaying has different buffering capabilities than the user station.

5. A method as claimed in claim 1, wherein the indication comprises an indication that the buffer size of the node for relaying is extended from that of the user equipment and information of the size of the extension.

6. A method as claimed claim 1, wherein the buffer information report indicates the buffer size of a user equipment and the indication provides a buffer extension factor, the method comprising defining the buffer capabilities of the node for relaying as a function of the buffer size and buffer extension factor.

10. A method as claimed in claim 1, wherein the buffer information report comprises a medium access control control element.

19. A method as claimed in claim 1, comprising separate signalling of said indication in a radio resource control message or an admission control message and the buffer information report in a medium access control message.

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21. An apparatus, comprising:

means for causing sending of a buffer information report to a system station from a node for relaying communications between at least one user station and the system station, the report being generated based on a report format used for uplink reporting by a user station; and

means for causing sending of an indication to the system station that the node for relaying has different buffering capabilities than the user station.

25. An apparatus as claimed in claim 21, wherein the apparatus is configured to process an indication that the buffer size of the node for relaying is extended from that of the user equipment and information of the size of the extension.

26. An apparatus as claimed in claim 21, wherein the apparatus is configured to process a buffer information report that indicates the buffer size of a user equipment and wherein the indication provides a buffer extension factor and the buffer capabilities of the node for relaying are defined as a function of the buffer size and buffer extension factor.

29. An apparatus as claimed in claim 21, wherein the apparatus is configured to communicate the indication within the buffer information report.

30. An apparatus as claimed in claim 29, wherein the buffer information report comprises a buffer status report and said indication is included into an extension of the buffer status report.

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39. A method comprising:

receiving a buffer information report from a node for relaying communications between at least one user station and a system station, the report being generated based on a report format used for uplink reporting by a user station;

receiving an indication that the node for relaying has different buffering capabilities than the user station;

determining the buffering capabilities of the node for relaying based on the buffer information report and the indication; and

controlling communications between the system station and the node for relaying accordingly.

40. A method as claimed in claim 39, wherein the indication comprises an indication that the buffer size of the node for relaying is extended from that of the user equipment and information of the size of the extension.

41. A method as claimed in claim 39, wherein the buffer information report indicates the buffer size of a user equipment and the indication provides a buffer extension factor, the method comprising defining the buffer capabilities of the node for relaying as a function of the buffer size and buffer extension factor.

42. A method as claimed in claim 39, wherein the buffer information report comprises a medium access control element.

43. A method as claimed in claim 39, comprising separate signalling of said indication in a radio resource control message or an admission control message and the buffer information report in a medium access control message.

44. An apparatus comprising:

means for receiving a buffer information report from a node for relaying communications between at least one user station and a system station, the report being generated based on a report format used for uplink reporting by a user station; and

control means for processing an indication that the node for relaying has different buffering capabilities than the user station, for determining the buffering capabilities of the node for relaying based on the received buffer information report and the indication, and for controlling communications between the system station and the node for relaying accordingly.

45. An apparatus as claimed in claim 44, wherein the apparatus is configured to process an indication that the buffer size of the node for relaying is extended from that of the user equipment and information of the size of the extension.

46. An apparatus as claimed in claim 44, wherein the control means is configured to determine the buffer size of the node for relaying based on an extension factor that has been received earlier or based on a default extension factor.

47. An apparatus as claimed in claim 44, wherein the apparatus is configured to communicate the indication within the buffer information report.

48. An apparatus as claimed in claim 44, wherein the buffer information report comprises a buffer status report and said indication is included into an extension of the buffer status report.