HANDLING WAIT TIME IN A CONGESTED WIRELESS COMMUNICATION NETWORK

• US 20130272124A1
• Filed: 06/13/2013
• Published: 10/17/2013
• Est. Priority Date: 02/06/2012
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Vivek Gupta
• Inventors: Gupta, Vivek
• Granted Patent: US 9,125,103 B2
• Time in Patent Office: Days
• US Class Current: 370/230
• 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: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/06 using space diversity
• CPC Class Codes: H04L 2001/0093 Point-to-multipoint
• CPC Class Codes: H04L 25/0204 of multiple channels
• CPC Class Codes: H04L 25/0224 using sounding signals
• CPC Class Codes: H04L 47/122 by diverting traffic away from congested entities
• CPC Class Codes: H04L 47/26 using explicit feedback to the source, e.g. choke packets
• CPC Class Codes: H04L 47/283 in response to processing delays, e.g. caused by jitter or round trip time [RTT]
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 28/0215 based on user or device properties, e.g. MTC-capable devices services for machine-to-machine communication [M2M] or machine type communication [MTC] H04W4/70; wireless resource selection or allocation plan definition based on terminal or device properties H04W72/51
• CPC Class Codes: H04W 28/0236 radio quality, e.g. interference, losses or delay
• CPC Class Codes: H04W 28/0289 Congestion control load shedding arrangements in network planning H04W16/08; performing reselection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12
• CPC Class Codes: H04W 28/12 using signalling between network elements
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 48/06 based on traffic conditions
• CPC Class Codes: H04W 76/18 Management of setup rejection or failure
• CPC Class Codes: H04W 76/36 for reassigning the resources associated with the released connections
• CPC Class Codes: H04W 8/04 Registration at HLR or HSS [Home Subscriber Server]

Abstract

Embodiments of the present disclosure describe techniques and configurations for handling a wait time in a wireless communication network when the network is determined to be congested. An apparatus may include computer-readable media having instructions and one or more processors coupled with the computer-readable media and configured to execute the instructions to send a radio resource control request message to a wireless network controller, receive a response message including an extended wait time value, determine upon receipt of the response message whether a back-off timer associated with the apparatus is running, and determine whether to start the backoff timer with the received extended wait time value based at least in part on the determination of whether the back-off timer is running and the received wait time value is integrity protected.

Claims

1. An apparatus, comprising:

a communication interface to receive, from a network controller, a message to release a non-access stratum (NAS) signaling connection; and

a system control logic coupled with the communication interface, the system control logic to receive, at a first layer, an extended wait time (EWT) value from a second layer that is lower than the first layer, and ignore the EWT value based on a determination that the EWT value is received when no attach, tracking area updating, or service request procedure is ongoing.

2. The apparatus of claim 1, wherein the system control logic is to:

release the NAS signaling connection when a backoff timer expires.

3. The apparatus of claim 1, wherein the EWT is received for a circuit-switched domain.

4. The apparatus of claim 1, wherein the apparatus is a mobile station having a touchscreen user interface.

5. The apparatus of claim 1, wherein the apparatus is a mobile station having an antenna.

6. An apparatus, comprising:

one or more processors; and

one or more computer-readable media comprising one or more instructions that when executed by at least one of the one or more processors cause the apparatus to;

send an attach request message to a network controller;

receive, at a first layer, an extended wait time (EWT) value from a second layer that is lower than the first;

determine whether the attach request message has a non-access stratum (NAS) signaling low priority indicator;

start a backoff timer with the EWT value, based on a determination that the attach request message has the NAS signaling low priority indicator; and

ignore the EWT value and abort an attach procedure, based on a determination that the attach request message does not have the NAS signaling low priority indicator.

7. The apparatus of claim 6, wherein the instructions that when executed by at least one of the one or more processors further cause the apparatus to:

reset an attach attempt counter, stay in a current serving cell, change state to an attempting-to-attach/update state, and apply a normal cell reselection process, based on the determination that the attach request message does not have the NAS signaling low priority indicator.

8. The apparatus of claim 6, wherein the EWT value is received under a condition of network congestion.

9. The apparatus of claim 6, wherein the EWT value is received with a radio resource (RR) reject message.

10. The apparatus of claim 6, wherein the apparatus is a mobile device having a touchscreen user interface.

11. The apparatus of claim 6, wherein the apparatus is a mobile device having an antenna.

12. A computer-readable storage medium having instructions stored thereon that, when executed on a computing device, cause the computing device to:

receive, from a network controller, a message to release a radio resource (RR) connection;

receive, at a first layer, an extended wait time (EWT) value from a second layer that is lower than the first layer; and

ignore the EWT value based on a determination that the EWT value is received when no location updating or service request procedure is ongoing.

13. The computer-readable storage medium of claim 12, wherein the instructions, when executed on the computing device, further cause the computing device to:

release the RR connection after a location updating.

14. The computer-readable storage medium of claim 12, wherein the computing device is a mobile station having a touchscreen user interface.

15. The computer-readable storage medium of claim 12, wherein the computing device is a mobile station having an antenna.

16. A method, comprising:

receiving, from a network controller, a message to release a non-access stratum (NAS) signaling connection;

receiving, at a first layer, an extended wait time (EWT) value from a second layer that is lower than the first layer; and

determining whether to ignore the EWT value based on a determination of whether the EWT value is received when no attach, tracking area updating or service request procedure is ongoing.

17. The method of claim 16, further comprising:

starting a backoff timer with the EWT value based on a determination that the EWT value is received when an attach, a tracking area updating or a service request procedure is ongoing.

18. The method of claim 16, further comprising:

releasing the NAS signaling connection when a backoff timer expires.

19. The method of claim 16, wherein the method is implemented by a mobile station having a touchscreen user interface.

20. The method of claim 16, wherein the method is implemented by a mobile station having an antenna.