Telefonaktiebolaget Lm Ericsson (publ)

Haibin Chu

Richard Wang

Henry Zheng

Marshall Xu

Jennifer He

Chunbo Wang

Yingjiao He

Jacky Wu

Mingqiu Xu

Linhai Jiang

A method for a fallback core network node within core network nodes for a first mobile terminated call towards a mobile subscriber initially assigned to a failing ore network node (failing CNN). The method includes receiving data associated to International Mobile Subscriber Identity and Location Area Identifier (LAI) of a mobile subscriber handled in the failing CNN. The method includes receiving a service request from a home location register (HLR), whereby the service request indicates that the fallback CNN is acting as a fallback CNN for the failing CNN, and sending a response to the service request towards the HLR comprising the roaming Number assigned by the fallback CNN. The method includes initiating a paging request towards the radio network comprising said received LAI of said mobile subscriber, and sending a Service Request towards the HLR comprising the Mobile Station Integrated Services Digital Network Number of the mobile subscriber.

Method for allowing a successful first mobile terminated call towards a mobile subscriber initially assigned to a failing core network node

The present invention relates to a network entity for handling communications towards a mobile station over a communication network, the mobile station being capable of receiving a paging request from a mobile switching center of a pool of mobile switching centers, and, in response to the paging request, of transmitting a paging response over the communication network. The network entity comprises a receiver () for receiving the paging response, the paging response comprising mobile identity information identifying the mobile station, a processor () for identifying the mobile switching center to which to re-transmit the paging response upon the basis of the mobile identity information, and a transmitter () for retransmitting the paging response to the identified mobile switching center.

Network entity for mobile communications towards a mobile station

The present invention relates to a network entity for handling communications towards a mobile station over a communication network, the mobile station being capable of receiving a paging request from a mobile switching center of a pool of mobile switching centers, and, in response to the paging request, of transmitting a paging response over the communication network. The network entity comprises a receiver () for receiving the paging response, the paging response comprising identity information identifying the mobile station, and a transmitter () for retransmitting the identity information towards the pool of mobile switching centers.

Network entity for mobile communications

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Shanghai, China

Haibin Chu