Method, system and terminal for maintaining capability management object and for managing capability

• US 20080114570A1
• Filed: 01/15/2008
• Published: 05/15/2008
• Est. Priority Date: 07/26/2006
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Chai, Xiaoqian, He, Jiangshui, Li, Kepeng
• Granted Patent: US 7,991,878 B2
• Time in Patent Office: Days
• US Class Current: 702/186
• CPC Class Codes: H04L 41/0233 Object-oriented techniques, for representation of network management data, e.g. common object request broker architecture [CORBA]
• CPC Class Codes: H04L 41/046 comprising network management agents or mobile agents therefor
• CPC Class Codes: H04L 41/12 Discovery or management of network topologies
• CPC Class Codes: H04L 67/303 Terminal profiles
• CPC Class Codes: H04L 67/51 Discovery or management thereof, e.g. service location protocol [SLP] or web services

Abstract

A method for maintaining a Device Capability Management Object (DCMO) which relates to technical field of Open Mobile Alliance Device Management (OMA DM), including detecting changed capability information in a terminal device by the terminal device, and maintaining a corresponding Device Capability Management Object in a Device Management tree in the terminal device based on the detected changed capability information, is used to overcome that wireless transmission resources are wasted and processing payloads of a Device Management Server (DMS) system are increased when updating and maintaining the corresponding Device Capability Management Object once capability information in the terminal device changes.

Claims

1. A method for maintaining a Device Capability Management Object, comprising:

detecting changed capability information in a terminal device by the terminal device; and

maintaining a corresponding Device Capability Management Object in a Device Management tree in the terminal device based on the detected changed capability information.

2. The method according to claim 1, wherein the detecting changed capability information in a terminal device by the terminal device comprises:

detecting capability information in the terminal device itself.

3. The method according to claim 1, wherein the detecting changed capability information in a terminal device by the terminal device comprises:

scanning and refreshing capability information in the terminal device, upon receiving a command for triggering the terminal device to scan and refresh capability information in the terminal device.

4. The method according to claim 3, wherein the command received by the terminal device comprises:

a command for trigging an executable node Refresh in the Device Management tree in the terminal device sent by a Device Management Server.

5. The method according to claim 3, wherein the command received by the terminal device comprises:

a command for trigging an executable node Scan in the Device Management tree in the terminal device sent by the Device Management Server.

6. The method according to claim 1, wherein the changed capability information comprises newly added capability information;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected newly added capability information, generating the corresponding Device Capability Management Object in the Device Management tree based on a pre-defined Device Description Framework of the Device Capability Management Object.

7. The method according to claim 1, wherein the changed capability information comprises changed existing capability information;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected changed existing capability information, updating information on a node of the corresponding Device Capability Management Object in the Device Management tree.

8. The method according to claim 1, wherein the changed capability information comprises removal of existing capability information;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected result of the removal of the existing capability information, removing the corresponding Device Capability Management Object in the Device Management tree.

9. The method according to claim 1, further comprising:

maintaining, by the terminal device, a corresponding default Device Capability Management Object in the Device Management tree beforehand for each device capability connection interface in the terminal device.

10. The method according to claim 9, wherein the changed capability information comprises device capability information newly connected to a corresponding interface;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected device capability information newly connected to the corresponding interface, updating information on respective node of the corresponding default Device Capability Management Object in the Device Management tree.

11. The method according to claim 9, wherein the changed capability information comprises removal of device capability information connected to a corresponding interface;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected result of the removal of the device capability information connected to the corresponding interface, restoring information on respective node of the corresponding Device Capability Management Object in the Device Management tree to information on the corresponding respective node of the default Device Capability Management Object.

12. The method according to claim 1, wherein the changed capability information comprises plugged-in of device capability in a corresponding interface;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected plugged-in of the device capability in the corresponding interface, setting a node designating Capability Status information of the corresponding Device Capability Management Object in the Device Management tree as a Connected status.

13. The method according to claim 1, wherein the changed capability information comprises removal of device capability in a corresponding interface;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected removal of the device capability in the corresponding interface, setting a node designating Capability Status information of the corresponding Device Capability Management Object in the Device Management tree as a Unconnected status.

14. The method according to claim 1, wherein the changed capability information comprises device capability information newly connected to a corresponding interface;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected device capability information newly connected to the corresponding interface, setting Access Type of each node of the corresponding Device Capability Management Object in the Device Management tree as allowed for the management of the Device Management Server.

15. The method according to claim 1, wherein the changed capability information comprises removal of device capability information connected to a corresponding interface;

and

the maintaining the corresponding Device Capability Management Object by the terminal device comprises;

according to the detected result of the removal of the device capability information connected to the corresponding interface, setting Access Type of each node of the corresponding Device Capability Management Object in the Device Management tree as disallowed for the management of the Device Management Server.

16. The method according to claim 1, further comprising:

reporting, by the terminal device, the detected changed capability information to a Device Management Server.

17. A terminal device, comprising:

a capability information change detecting unit, adapted to detect changed capability information in the terminal device; and

a management object maintaining unit, adapted to maintain a corresponding Device Capability Management Object in a Device Management tree based on the changed capability information detected by the capability information change detecting unit.

18. The terminal device according to claim 17, wherein the capability information change detecting unit detects the changed capability information by detecting capability information of the terminal device.

19. The terminal device according to claim 17, wherein the capability information change detecting unit comprises:

a command receiving sub-unit, adapted to receive a command for triggering the terminal device to scan and update capability information in the terminal device; and

an information detecting sub-unit, adapted to detect the changed capability information through scanning and updating capability information in the terminal device, upon receiving a command by the command receiving sub-unit.

20. The terminal device according to claim 17, wherein the changed capability information detected by the capability information change detecting unit comprises newly added capability information;

and

the management object maintaining unit generates a corresponding Device Capability Management Object in the Device Management tree, based on a pre-defined Device Description Framework of the Device Capability Management Object, according to the newly added capability information detected by the capability information change detecting unit.

21. The terminal device according to claim 17, wherein the changed capability information detected by the capability information change detecting unit comprises changed existing capability information;

and

according to the changed existing capability information detected by the capability information change detecting unit, the management object maintaining unit updates information on a node of the corresponding Device Capability Management Object in the Device Management tree.

22. The terminal device according to claim 17, wherein the changed capability information detected by the capability information change detecting unit comprises removal of existing capability information;

and

according to the result of the removal of the existing capability information detected by the capability information change detecting unit, the management object maintaining unit deletes the corresponding Device Capability Management Object in the Device Management tree.

23. The terminal device according to claim 17, further comprising a capability information change reporting unit adapted to report the changed capability information detected by the capability information change detecting unit to a Device Management Server.

24. A method for managing Device Capability, comprising:

detecting, by a terminal device, changed capability information in the terminal device;

maintaining a corresponding Device Capability Management Object in a Device Management tree based on the detected changed capability information;

reporting the detected changed capability information to a Device Management Server; and

managing, by the Device Management Server, corresponding capability in the terminal device via the maintained corresponding Device Capability Management Object in the Device Management tree, based on the changed capability information reported by the terminal device.

25. The method according to claim 24, wherein managing the changed capability by the Device Management Server comprises updating, by the Device Management Server, capability information of the terminal device through invoking node Refresh of the Device Capability Management Object.

26. The method according to claim 24, wherein managing the changed capability by the Device Management Server comprises upgrading, by the Device Management Server, drive data of corresponding capability of the terminal device through invoking node Update of the Device Capability Management Object.

27. The method according to claim 24, wherein managing the changed capability by the Device Management Server comprises removing, by the Device Management Server, drive data of corresponding capability of the terminal device through invoking node Remove of the Device Capability Management Object.

28. A system for managing Device Capability, comprising a terminal device and a Device Management Server, wherein the terminal device comprises:

a capability information change detecting unit, adapted to detect changed capability information in the terminal device;

a management object maintaining unit, adapted to maintain a corresponding Device Capability Management Object in a Device Management tree based on the changed capability information detected by the capability information change detecting unit; and

a capability information change reporting unit, adapted to report the changed capability information detected by the capability information change detecting unit to the Device Management Server; and

the Device Management Server is adapted to manage corresponding capability in the terminal device via the maintained corresponding Device Capability Management Object in the Device Management tree, based on the changed capability information reported by the capability information change reporting unit in the terminal device.