User equipment and method for discontinuous reception (DRX) mode in wireless communication networks

• US 9,225,759 B2
• Filed: 09/25/2012
• Issued: 12/29/2015
• Est. Priority Date: 01/27/2012
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Intel Corporation
• Inventors: Vannithamby, Rath, Koc, Ali Taha
• Primary Examiner(s): Elallam, Ahmed
• Application Number:
  US13/626,409
• Publication Number:
  US 20130194991A1
• Time in Patent Office: 1,190 Days
• Field of Search: 370/252, 370/311
• US Class Current: 1/1
• CPC Class Codes: H04B 1/69 Spread spectrum techniques
• CPC Class Codes: H04B 7/024 Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04B 7/0456 Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
• CPC Class Codes: H04B 7/0617 for beam forming
• CPC Class Codes: H04B 7/0623 Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
• CPC Class Codes: H04B 7/0626 Channel coefficients, e.g. channel state information [CSI]
• CPC Class Codes: H04B 7/0639 Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/0027 Scheduling of signalling, e.g. occurrence thereof
• CPC Class Codes: H04L 1/0031 Multiple signaling transmission H04L1/1664, F15 take precedence
• CPC Class Codes: H04L 1/1864 ARQ related signaling H04L1/1607 takes precedence
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04L 1/1896 ARQ related signaling
• CPC Class Codes: H04L 12/189 in combination with wireless systems selective distribution or broadcast in wireless communication networks H04W4/06
• CPC Class Codes: H04L 27/2607 Cyclic extensions
• CPC Class Codes: H04L 5/0035 Resource allocation in a cooperative multipoint environment
• CPC Class Codes: H04L 5/0048 Allocation of pilot signals, i.e. of signals known to the receiver
• CPC Class Codes: H04L 5/005 of common pilots, i.e. pilots destined for multiple users or terminals
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04L 5/1469 : using time-sharing
• CPC Class Codes: H04L 65/611 : for multicast or broadcast systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06
• CPC Class Codes: H04L 65/65 : Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
• CPC Class Codes: H04W 36/0094 : Definition of hand-off measurement parameters
• CPC Class Codes: H04W 36/04 : Reselecting a cell layer in multi-layered cells
• CPC Class Codes: H04W 4/08 : User group management
• CPC Class Codes: H04W 4/70 : Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 48/16 : Discovering, processing access restriction or access information
• CPC Class Codes: H04W 52/0216 : using a pre-established activity schedule, e.g. traffic indication frame
• CPC Class Codes: H04W 72/04 : Wireless resource allocation
• CPC Class Codes: H04W 72/044 : based on the type of the allocated resource
• CPC Class Codes: H04W 72/20 : Control channels or signalling for resource management
• CPC Class Codes: H04W 72/23 : in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 72/53 : based on regulatory allocation policies
• CPC Class Codes: H04W 72/541 : using the level of interference
• CPC Class Codes: H04W 72/542 : using measured or perceived quality
• CPC Class Codes: H04W 76/27 : Transitions between radio resource control [RRC] states
• CPC Class Codes: H04W 76/28 : Discontinuous transmission [DTX]; Discontinuous reception [DRX]
• CPC Class Codes: Y02D 30/70 : in wireless communication networks

Abstract

Embodiments of user equipment (UE) and method for discontinuous reception (DRX) mode in wireless communication are generally described herein. In some of these embodiments, the UE may operate to determine a value for a DRX parameter based at least in part on information associated with an application running on the UE. The UE may send a message to an enhanced node-B (eNB). The message may include at least one of the value for the DRX parameter and the information associated with the application. The eNB may determine values for DRX parameters that the UE may use in DRX mode.

Claims

1. User equipment (UE) comprising:

a module to

determine a value for a discontinuous reception (DRX) parameter based at least in part on information associated with an application when the application is running on the UE, the information including traffic pattern of packets associated with the application, the traffic pattern indicating whether the application generates background traffic packets and the information indicating delay requirements for the application, the DRX parameter including one of an on-duration of a DRX cycle, a DRX cycle length, an inactivity DRX timer, and radio resource control (RRC) inactivity timer; and

a transmitter to send a message to an enhanced node-B (eNB), the message including at least one of the value for the DRX parameter and the information associated with the application, wherein the module is arranged to cause the UE to enter a DRX mode using DRX parameters having values determined by the eNB, wherein at least one of the values is based at least in part on the information associated with the application, and the module is arranged to cause the UE to stay in the DRX mode and refrain from entering radio resource control (RRC) idle state based on the traffic pattern of packets associated with the application, and wherein a value for an RRC inactivity timer for entering RRC idle state is greater than a periodicity of keep-alive messages associated with the application.

2. The UE of claim 1, wherein the module is arranged to determine the value for the DRX parameter based further on power level information of the UE.

3. The UE of claim 1, wherein the message further includes power level information of the UE.

4. The UE of claim 1, wherein the module is further arranged to determine at least one additional value for at least one additional DRX parameter based at least in part on the information associated with the application, wherein the message further includes the at least one additional value.

5. The UE of claim 1, wherein the DRX mode includes a DRX cycle having a first duration and a second duration, the module arranged to monitor orthogonal frequency division multiple access (OFDMA) frames of a physical downlink control channel (PDCCH) during the first duration, and the module arranged to refrain from monitoring OFDMA frames of PDCCH during the second duration.

6. The UE of claim 1, wherein the module is arranged to cause the UE to enter a DRX mode using DRX parameters having values determined by the eNB, and one of the values is identical to the value for the DRX parameter determined by the module.

7. The UE of claim 1, wherein the module is arranged to cause the UE to enter a DRX mode using DRX parameters having values determined by the eNB, and one of the values is different from the value for the DRX parameter determined by the module.

8. An enhanced Node-B (eNB) comprising:

one or more processors arranged to;

generate a value for a discontinuous reception (DRX) parameter among DRX parameters based at least in part on information associated with an application when the application is running on user equipment (UE), the information including traffic pattern of packets associated with the application, the traffic pattern indicating whether the application generates background traffic packets and the information indicating delay requirements for the application, the DRX parameter including a radio resource control (RRC) inactivity timer; and

send the value for the DRX parameter to the UE, wherein the eNB is arranged to cause the UE to enter a DRX mode using DRX parameters having values determined by the eNB, wherein at least one of the values is based at least in part on the information associated with the application, wherein the eNB is arranged to cause the UE to stay in the DRX mode and refrain from entering radio resource control (RRC) idle state based on the traffic pattern of packets associated with the application, and wherein a value for an RRC inactivity timer for entering RRC idle state is greater than a periodicity of keep-alive messages associated with the application.

9. The eNB of claim 8, wherein the eNB is further arranged to generate the value based further on at least one of power level information of the UE and a preferred value determined by the UE for at least one of the DRX parameters.

10. The eNB of claim 8, wherein the eNB is further arranged to:

generate a new value for the DRX parameter; and

cause the UE to change the value for the DRX parameter among DRX parameters to the new value.

11. The eNB of claim 8, wherein the eNB is further arranged to:

generate at least one additional value for at least one additional DRX parameter among the DRX parameter based at least in part on the information associated with the application; and

send the at least one additional value to the UE.

12. The eNB of claim 8, wherein the eNB is arranged to operate in a long term evolution (LTE) network.

13. A method of operating user equipment (UE), the method comprising:

entering a discontinuous reception (DRX) mode using a two or more DRX parameters having values determined by an enhanced Node-B (eNB) based at least in part on information associated with an application running on the UE, the information including traffic pattern of packets associated with the application, the traffic pattern indicating whether the application generates background traffic packets and the information indicating delay requirements for the application, wherein the method includes staying in the DRX mode and refraining from entering radio resource control (RRC) idle state based on the traffic pattern of packets associated with the application, and wherein a value for an RRC inactivity timer for entering RRC idle state is greater than a periodicity of keep-alive messages associated with the application.

14. The method of claim 13, further comprising:

sending a message to the eNB, the message including at least one of the information associated with the application running on the UE, power level information of the UE, and a preferred value determined by the UE, wherein the message is sent to the eNB before entering the DRX mode.

15. The method of claim 14, further comprising:

receiving a message from the eNB, the message including the DRX parameter having the value determined by the eNB, wherein the value determined by the eNB is based further on at least one of the power level information of the UE and the preferred value determined by the UE.

16. The method of claim 13, further comprising:

changing the value for the DRX parameter.