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Method and apparatus for transmitting a service request message in a congested network

A service request and message technology, applied in the direction of network data management, network traffic/resource management, emergency/dangerous communication services, etc., can solve the problem of not providing CSFB emergency call promotion

Active Publication Date: 2016-08-10
INTERDIGITAL PATENT HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem with the CSFB call setup procedures of Figures 1B, 1C and 1D is that no facilitation is provided for handling CSFB emergency calls when the CS domain is congested

Method used

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  • Method and apparatus for transmitting a service request message in a congested network
  • Method and apparatus for transmitting a service request message in a congested network
  • Method and apparatus for transmitting a service request message in a congested network

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Embodiment

[0102] 1. A method for transmitting a service request message in a congested network, the method comprising:

[0103] receiving a message including a timer value;

[0104] setting a timer in a wireless transmit / receive unit (WTRU) based on the timer value; and

[0105] The timer is activated, wherein the WTRU is configured not to attempt to transmit a service request message to the network for MO services other than Mobile Originated (MO) emergency calls until the timer expires.

[0106] 2. The method of embodiment 1, wherein the message including the timer value is one of: an Attach Accept message, a Tracking Area Update (TAU) message, or a Service Reject message.

[0107] 3. The method as in any one of embodiments 1-2, wherein the MO emergency call is MO Circuit Switched (CS) fallback for emergency calls, and the service request is a CS service request.

[0108] 4. A method for transmitting a service request message in a congested network, the method comprising:

[0109] ...

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Abstract

A method and apparatus for communicating service request messages in a congested network are described. In one embodiment, a message including a timer value may be received by a wireless transmit / receive unit (WTRU) having a timer set based on the timer value. Once the timer is activated, the WTRU may not attempt to transmit service request messages to the network for MO services other than for Mobile Originated (MO) emergency calls until the timer expires. In another embodiment, the timer may be deactivated in response to receiving a page for a mobile terminated (MT) call. A congested network may include a Mobility Management Entity (MME) and a Mobile Switching Center (MSC) / Visitor Location Register (VLR). The MME may apply congestion control criteria to the WTRU based on whether a timer in the MME is activated or expired.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Application No. 61 / 352,096, filed June 7, 2010, U.S. Provisional Application No. 61 / 354,979, filed June 15, 2010, U.S. Provisional Application No. 61 / 354,979, filed June 28, 2010 .61 / 359,063, and US Provisional Application No. 61 / 484,115, filed May 9, 2011, the contents of which are incorporated herein by reference. Background technique [0003] Circuit Switched (CS) Fallback (CSFB) in Evolved Packet System (EPS) enables voice and Other CS domain services. Figure 1A shows a conventional EPS architecture 100 comprising CSFB capable WTRU 105, E-UTRAN 110, Mobility Management Entity (MME) 115, Mobile Switching Center (MSC) / Visitor Location Register (VLR) 120 , (GSM) / Enhanced Data Rates for GSM Evolution (EDGE) Radio Access Network (GERAN) 125 , UTRAN 130 and Serving General Packet Radio Service (GPRS) Support Node (SGSN) 135 . The WTRU 105 may include at least one t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/06H04W28/02H04W4/90
CPCH04W28/02H04W48/06H04W4/90H04W8/02H04W28/0289H04W36/0022
Inventor M·瓦特法B·阿吉里U·奥维拉-赫恩安德茨
Owner INTERDIGITAL PATENT HLDG INC