OPERATING MODE TRANSITION METHOD AND CONTROL APPARATUS FOR POWER SAVING OF MOBILE STATION

• US 20080095092A1
• Filed: 10/23/2007
• Published: 04/24/2008
• Est. Priority Date: 10/24/2006
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: KIM, Jong Yol
• Granted Patent: US 8,270,326 B2
• Time in Patent Office: Days
• US Class Current: 370/311
• CPC Class Codes: H04W 52/287 when the channel is in stand-by

Abstract

An operating mode transition method and control apparatus for power saving of a mobile station in a wireless communication environment are disclosed. The operating mode transition method includes receiving, in an idle mode, a control message having an indication of ranging from a corresponding base station, transitioning to a sleep mode, upon reception of the control message, and performing a ranging procedure in the sleep mode.

Claims

1. An operating mode transition method for power saving of a mobile station in a wireless communication environment, comprising:

performing, in response to reception of a broadcast paging message from a corresponding base station in an idle mode, signaling operations for transition to a sleep mode; and

performing a ranging procedure in the sleep mode.

2. The operating mode transition method of claim 1, wherein the performing signaling operations step further comprises:

transmitting a sleep request message to the base station; and

transitioning to the sleep mode, after reception of a sleep response message from the base station in reply to the sleep request message.

3. The operating mode transition method of claim 2, further comprising transitioning to the idle mode, after performing of the ranging procedure in the sleep mode.

4. An operating mode transition method for a mobile station in a wireless communication environment, comprising:

receiving a control message from a corresponding base station in an idle mode;

transitioning, upon reception of the control message, to a sleep mode; and

performing a ranging procedure in the sleep mode.

5. The operating mode transition method of claim 4, further comprising performing a network re-entry procedure in the sleep mode on the basis of the control message.

6. The operating mode transition method of claim 4, further comprising performing a location update procedure in the sleep mode on the basis of the control message.

7. The operating mode transition method of claim 4, wherein the control message is a broadcast paging message.

8. The operating mode transition method of claim 7, wherein the broadcast paging message includes necessary information for a ranging procedure in the sleep mode.

9. An operating mode transition method for power saving of a mobile station in a wireless communication environment, comprising:

receiving, in an idle mode, a broadcast paging message having an indication of ranging from a corresponding base station;

transmitting a sleep request message to the base station, upon reception of the broadcast paging message;

transitioning to a sleep mode, upon reception of a sleep response message in reply to the sleep request message; and

performing a ranging procedure in the sleep mode.

10. The operating mode transition method of claim 9, further comprising transitioning to the idle mode, after performing of the ranging procedure in the sleep mode.

11. An operating mode control apparatus for power saving of a mobile station in a wireless communication environment, comprising:

a transceiving unit for message transmission and reception to and from a corresponding base station; and

a mode controller for transitioning to a sleep mode, upon reception of a control message in an idle mode, and for controlling performance of a ranging procedure on the basis of the control message.

12. The operating mode control apparatus of claim 11, further comprising a mode analyzer for analyzing a control message received via the transceiving unit to identify a current operating mode and necessity of a mode transition.

13. The operating mode control apparatus of claim 11, wherein the mode controller controls performance of a network re-entry procedure in the sleep mode on the basis of the control message.

14. The operating mode control apparatus of claim 11, wherein the mode controller controls performance of a location update procedure in the sleep mode on the basis of the control message.

15. The operating mode control apparatus of claim 11, wherein the control message is a broadcast paging message(MOB_PAG-ADV message).

16. The operating mode control apparatus of claim 15, wherein the broadcast paging message includes necessary information for a ranging procedure in the sleep mode.