METHOD AND APPARATUS FOR CONFIGURING MODE TIMERS

• US 20110116427A1
• Filed: 03/17/2008
• Published: 05/19/2011
• Est. Priority Date: 03/19/2007
• Status: Active Grant

• Current Assignee: Nokia Solutions and Networks GmbH & Co. KG (Nokia Corporation)
• Original Assignee: Nokia Solutions and Networks GmbH & Co. KG (Nokia Corporation)
• Inventors: Shi, Hong Kui, Hu, Zhen Ping, Chang, Xin, Qiu, Wei, Luo, Jijun, Halfmann, Ruediger
• Granted Patent: US 8,654,694 B2
• Time in Patent Office: Days
• US Class Current: 370/311
• CPC Class Codes: H04L 65/00 Network arrangements, protocols or services for supporting real-time applications in data packet communication real-time or near real-time messaging, e.g. instant messaging [IM] H04L51/04; selective video distribution H04N21/00
• CPC Class Codes: H04W 52/0216 using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Controlling a probability that user equipment is in a power saving mode to adapt the user equipment to characteristics of a shared channel and packet service includes determining a class of the user equipment by comparing at least one data traffic requirement value and a power condition value of the user equipment with predetermined threshold values, and adjusting mode timers according to the determined class of the user equipment depending on the data traffic requirement values and depending on the power condition value of the user equipment.

Claims

1-18. -18. (canceled)

19. A method for configuring mode timers which control a probability that user equipment is in a power saving mode to adapt the user equipment to characteristics of a shared channel and packet service, comprising:

determining a class of the user equipment by comparing at least one data traffic requirement value and a power condition value of the user equipment with predetermined threshold values; and

adjusting the mode timers according to the class of the user equipment depending on the at least one data traffic requirement value and depending on the power condition value of the user equipment.

20. The method according to claim 19, wherein the user equipment is a mobile device connected via a radio link to a network end node.

21. The method according to claim 19, wherein the mode timers of the user equipment include an inactivity timer and by a sleeping mode timer.

22. The method according to claim 21, wherein the inactivity timer is triggered by the network end node in an active phase of the user equipment when an active mode of the user equipment is activated if a data buffer provided for the user equipment in the network end node is empty.

23. The method according to claim 22, wherein after the inactivity timer of the user equipment has expired the power saving mode of the user equipment is activated by the network end node to enter a power saving mode and the sleeping mode timer of the user equipment is triggered.

24. The method according to claim 23, wherein if the user equipment detects during a wake up phase after a previous sleep phase of the sleeping mode timer has expired that no data packet has arrived at the network end node during the previous sleep phase, the user equipment re-enters the sleep phase.

25. The method according to claim 24, wherein if the user equipment detects during the wake up phase after the sleeping mode timer has expired that a data packet has arrived at the network end node during the previous sleep phase the user equipment activates an active mode to enter an active phase for receiving pending data packets buffered in the network end node.

26. The method according to claim 25, wherein the mode timers are adjusted by the network end node.

27. The method according to claim 26, wherein the network end node is a base station of a wireless communication network.

28. The method according to claim 26, wherein each class of user equipment has a class index indicating the class of the user equipment.

29. The method according to claim 28, wherein the network end node transmits the class index of the class along with values of the mode timers of respective user equipment.

30. The method according to claim 26, wherein the network end node receives the power condition value indicating a power condition of the user equipment from the user equipment in response to an inquiry sent by the network end node to respective user equipment.

31. The method according to claim 26, wherein the user equipment transmits the power condition value indicating a power condition of the user equipment if the power condition of the user equipment has significantly changed.

32. The method according to claim 26, wherein the mode timers are configured dynamically by the network end node during an operation of the user equipment.

33. The method according to claim 19, wherein the at least one data traffic requirement value is at least one of a delay requirement value and a minimum data rate value of data traffic.

34. The method according to claim 19, further comprising jointly calculating timer values for adjusting the mode timers for the class according to a set of optimization functions of the class for optimizing the timer values.

35. A network end node for configuring mode timers which control a probability that a user equipment is in a power saving mode to adapt the user equipment to characteristics of a shared channel and packet service, comprising:

at least one processor programmed to determine a class of the user equipment by comparing at least one data traffic requirement value and a power condition value of the user equipment with predetermined threshold values and to adjust the mode timers according to the class of the user equipment depending on the at least one data traffic requirement value and depending on the power condition value of the user equipment.

36. The network end node according to claim 35, wherein the network end node is a base station of a wireless communication network.