Handling Of Registration Reject In Mobile Communications

Patent metadata

Field	Value
Publication number	US-2016255674-A1
Application number	US-201615152373-A
Country	US
Kind code	A1
Filing date	May 11, 2016
Priority date	Oct 27, 2015
Publication date	Sep 1, 2016
Grant date	—

Abstract

Various solutions to handling of registration rejects with respect to user equipment (UE) in mobile communications are described. A UE may transmit a first request to a first network element of a wireless network. The UE may receive a first reject from the first network element. The UE may bar the first network element in response to receiving the first reject from the first network element. The UE may transmit a second request to a second network element of the same wireless network or a different wireless network in response to receiving the first reject from the first network element. Alternatively, the UE may transmit a second request to the first network element after a period of barring time.

First claim

What is claimed is:

1 . A method, comprising:
transmitting a first request to a first network element of a first type of wireless network; receiving a first reject from the first network element; barring the first network element in response to receiving the first reject from the first network element; and transmitting a second request to a second network element of the first type of wireless network in response to receiving the first reject from the first network element.

2 . The method of claim 1 , further comprising:
receiving a second reject from the second network element; and switching to communications with a second type of wireless network in response to receiving the first and the second rejects.

3 . The method of claim 1 , further comprising:
receiving an acceptance indication from the second network element; and storing an identification associated with the first network element such that first network element is not selected again when attempting to establish communications with the first type of wireless network again.

4 . The method of claim 3 , wherein the first network element comprises a first Evolved Node B (eNodeB), a first Node B or a first Base Transceiver Station (BTS) of a first Public Land Mobile Network (PLMN), and wherein the second network element comprises a second eNodeB, a second Node B or a second BTS of the first PLMN.

5 . The method of claim 1 , wherein the first request comprises a first tracking area update (TAU) request, a first routing area update (RAU) request, a first service request or a first location update request, wherein the first reject comprises a first TAU reject, a first RAU reject, a first service reject or a first location update reject without integrity protection received, wherein the second request comprises a second TAU request, a second RAU request, a second service request or a second location update request, and wherein the second reject comprises a second TAU reject, a second RAU reject, a second service reject or a second location update reject without integrity protection.

6 . A method, comprising:
transmitting a first request to a first network element of a first type of wireless network; receiving a first reject from the first network element; barring the first network element for a period of barring time in response to receiving the first reject from the first network element; and transmitting a second request to the first network element after the period of barring time.

7 . The method of claim 6 , further comprising:
receiving a second reject from the first network element; and switching to communications with a second type of wireless network in response to receiving the second rejects.

8 . The method of claim 6 , further comprising:
receiving a second reject from the first network element; and storing an identification associated with the first network element.

9 . The method of claim 8 , wherein the first network element comprises an Evolved Node B (eNodeB), a Node B or a Base Transceiver Station (BTS), and wherein the identification associated with the first network element comprises an identification of a cell associated with the first network element, an identification of a Public Land Mobile Network (PLMN) associated with the first network element, or a combination thereof.

10 . The method of claim 8 , further comprising performing one of a number of operations, the operations comprising:
refraining from attempting to establish communications with the first type of wireless network; and waiting for a period of wait time before attempting to establish communications with the first type of wireless network.

11 . The method of claim 6 , wherein the first request comprises a first tracking area update (TAU) request, a first routing area update (RAU) request, a first service request or a first location update request, wherein the first reject comprises a first TAU reject, a first RAU reject, a first service reject or a first location update reject without integrity protection, and wherein the second request comprises a second TAU request, a second RAU request, a second service request or a second location update request.

12 . A method, comprising:
transmitting a first request to a first network element of a first wireless network; receiving a first reject from the first network element; barring a tracking area, a routing area or a location area associated with the first network element or the first wireless network in response to receiving the first reject from the first network element; starting a back-off timer; and transmitting a second request to a second network element of a second wireless network either immediately or after the period of barring time.

13 . The method of claim 12 , further comprising:
receiving a second reject from the second network element; stopping the back-off timer; and performing one or more operations pertaining to a situation of a user equipment (UE) having an invalid Subscriber Identify Module (SIM) card.

14 . The method of claim 13 , wherein the first network element comprises a first Evolved Node B (eNodeB) of a first Public Land Mobile Network (PLMN), and wherein the second network element comprises a second eNodeB of a second PLMN.

15 . The method of claim 12 , further comprising:
receiving a second reject from the second network element; stopping the back-off timer; and performing one or more operations pertaining to a situation of a user equipment (UE) having a valid Subscriber Identify Module (SIM) card and being denied of services from at least the first wireless network and the second wireless network.

Assignees

• Mediatek Singapore Pte Ltd

Inventors

• Niemi Marko
• Moisanen Matti

Classifications

• H04W76/027 Primary

  Electricity · mapped topic

• H04W8/183

  Processing at user equipment or user record carrier · CPC title

• H04W8/02

  Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks · CPC title

• H04W48/02

  Access restriction performed under specific conditions · CPC title

• H04W60/001

  Registration rejection or failure · CPC title