Radio protocol for mobile communication system and method

• US 7,724,774 B2
• Filed: 01/13/2009
• Issued: 05/25/2010
• Est. Priority Date: 04/08/1999
• Status: Expired due to Fees

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Hwang, In Tae
• Primary Examiner(s): Trost, IV; William
• Assistant Examiner(s): Shand; Roberta A
• Application Number:
  US12/352,895
• Publication Number:
  US 20090135747A1
• Time in Patent Office: 497 Days
• Field of Search: 370/329, 370/437, 370/466, 370/469, 370/474, 455/403, 455/511
• US Class Current: 370/469
• CPC Class Codes: H04L 1/16 in which the return channel carries supervisory signals, e.g. repetition request signals
• CPC Class Codes: H04L 69/32 Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
• CPC Class Codes: H04L 69/324 in the data link layer [OSI layer 2], e.g. HDLC
• CPC Class Codes: H04W 40/00 Communication routing or communication path finding
• CPC Class Codes: H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
• CPC Class Codes: H04W 84/04 Large scale networks; Deep hierarchical networks

Abstract

Radio protocol for a next generation mobile communication system is disclosed including a radio link control layer for connecting to an upper layer through a service access point provided in advance and for connecting to a lower layer through a plurality of logic channels provided in advance. The radio link control layer includes at least one radio link control entity for transmission/reception of data to/from up-link or down-link according to a form of a data transmission mode.

Claims

1. In a wireless communication system that employs a layered radio interface protocol, an apparatus comprising:

a radio link control (RLC) layer; and

a radio resource control (RRC) layer, the RRC layer comprising a transfer mode entity adapted to map one of a plurality of control entities in the RRC layer to one of a plurality of service access points in the RLC layer.

2. The apparatus of claim 1, wherein each of the control entities in the RRC layer is adapted to transfer messages from a higher layer to the transfer mode entity in accordance with a corresponding transfer mode.

3. The apparatus of claim 2, wherein the transfer mode entity is further adapted to map one of the plurality of control entities in the RRC layer to one of the plurality of service access points in the RLC layer based on the corresponding transfer mode.

4. The apparatus of claim 3, wherein the transfer mode entity is further adapted to map a message from one of the plurality of control entities in the RRC layer to one of the plurality of service access points in the RLC layer based on a characteristic of the message.

5. The apparatus of claim 4, wherein the control entity is a broadcast control entity.

6. The apparatus of claim 5, wherein the one service access point in the RLC layer is a transfer service access point (T-SAP).

7. The apparatus of claim 5, wherein the one service access point in the RLC layer is an unacknowledge service access point (UNACK-SAP).

8. The apparatus of claim 4, wherein the control entity in the RRC layer is a paging and notification control entity.

9. The apparatus of claim 8, wherein the one service access point in the RLC layer is a transfer service access point (T-SAP).

10. The apparatus of claim 8, wherein the one service access point in the RLC layer is an unacknowledged service access (UNACK-SAP).

11. The apparatus of claim 4, wherein the control entity in the RRC layer is a dedicated control entity.

12. The apparatus of claim 11, wherein the one service access point in the RLC layer is a transfer service access point (T-SAP).

13. The apparatus of claim 11, wherein the one service access point in the RLC layer is a an unacknowledged service access point (UNACK-SAP).

14. The apparatus of claim 11, wherein the one service access point in the RLC layer is an acknowledge service access point (ACK-SAP).

15. In a wireless communication system that employs a layered radio interface protocol, an apparatus comprising:

a radio link control (RLC) layer; and

a radio resource control (RRC) layer, the RRC layer comprising a transfer mode entity adapted to map one of a plurality of service access points in the RLC layer to one of a plurality of control entities in the RRC layer.

16. The apparatus of claim 15 wherein the transfer mode entity is further adapted to transfer a message from one of the plurality of service access points in the RLC layer to one of the control entities in the RRC layer based on a characteristic of the message.

17. The apparatus of claim 16, wherein the message is a broadcast message, the transfer mode entity is further adapted to transfer the message to a broadcast control entity.

18. The apparatus of claim 16, wherein the message is a paging and notification message, the transfer mode entity is further adapted to transfer the message to a paging and notification control entity.

19. The apparatus of claim 16, wherein the message involves the setting or cancellation of a connection, the transfer entity is further adapted to transfer the message to a dedicated control entity.

20. In a wireless communication system that employs a layered radio interface protocol that includes a Radio Resource Control (RRC) layer and a Radio Link Control (RLC) layer, a method of transferring a message, the method comprising:

receiving a message at one of a plurality of control entities in the RRC layer;

forwarding the message from the one control entity to a transfer mode entity in the RRC in accordance with a transfer mode corresponding to the one control entity; and

mapping the message to one of a plurality of service access points in the RLC layer.

21. The method of claim 20, wherein mapping the message to one of the plurality of service access points in the RLC layer comprises:

determining the one service access point based on the transfer mode corresponding to the one control entity.

22. The method of claim 21, wherein mapping the message to one of the plurality of service access points in the RLC layer further comprises:

determining the one service access point based on a characteristic of the message.

23. The method of claim 22, wherein the one control entity in the RRC layer is a broadcast control entity (BCE).

24. The method of claim 23, wherein the one service access point in the RLC layer is a transfer service access point (T-SAP).

25. The method of claim 23, wherein the one service access point in the RLC layer is an unacknowledge service access point (UNACK-SAP).

26. The method of claim 22, wherein the one control entity in the RRC layer is a paging and notification control entity (PNCE).

27. The method of claim 26, wherein the one service access point in the RLC layer is a transfer service access point (T-SAP).

28. The method of claim 26, wherein the one service access point in the RLC layer is an unacknowledged service access (UNACK-SAP).

29. The method of claim 22, wherein the control entity in the RRC layer is a dedicated control entity (DCE).

30. The method of claim 29, wherein the one service access point in the RLC layer is a transfer service access point (T-SAP).

31. The method of claim 29, wherein the one service access point in the RLC layer is a an unacknowledged service access point (UNACK-SAP).

32. The method of claim 29, wherein the one service access point in the RLC layer is an acknowledge service access point (ACK-SAP).

33. In a wireless communication system that employs a layered radio interface protocol that includes a Radio Resource Control (RRC) layer and a Radio Link Control (RLC) layer, a method of transferring a message, the method comprising:

receiving a message at a transfer mode entity in the RRC layer from one of a plurality of service access points in the RLC layer; and

mapping the message from the one service access point in the RLC to one of a plurality of control entities in the RRC layer.

34. The method of claim 33, wherein mapping the message from the one service access point in the RLC to the one control entity in the RRC layer based on a characteristic of the message.

35. The method of claim 34, wherein the message is a broadcast message, and wherein mapping the message from the one service access point in the RLC to the one control entity in the RRC layer comprises mapping the message to a broadcast control entity.

36. The method of claim 34, wherein the message is a paging and notification message, and wherein mapping the message from the one service access point in the RLC to the one control entity in the RRC layer comprises mapping the message to a paging and notification control entity.

37. The method of claim 34, wherein the message involves setting or cancelling a connection, and wherein mapping the message from the one service access point in the RLC to the one control entity in the RRC layer comprises mapping the message to a dedicated control entity.