Systems, apparatus and methods for facilitating emergency call service in wireless communication systems

A computer program product, comprising:

• a computer-readable non-transitory storage medium configured to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities, comprising:
• a first set of codes for causing a computer to modify a configuration parameter of the computer, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within a wireless communication system, and wherein a modified configuration parameter results in a preference by the computer for a network, cell or service configured to support emergency calls by the user equipment, and wherein the computer is included in a user equipment, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the wireless communication system includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the computer and at least another of the plurality of networks is a network configured to offer emergency call service to the computer;
• a second set of codes for causing the computer to prioritize a network domain over another based, at least, on the modification of the configuration parameter;
• and
• a third set of codes for causing the computer to prioritize the network configured to offer emergency call service to the computer over the original serving network of the computer based, at least, on the modifying the configuration parameter.

An apparatus to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities, comprising:

• means for modifying a configuration parameter of a user equipment, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within a wireless communication system, and wherein a modified configuration parameter results in a preference by the apparatus for a network, cell or service configured to support emergency calls by the apparatus, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the wireless communication system includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the apparatus and at least another of the plurality of networks is a network configured to offer emergency call service to the apparatus;
• means for prioritizing a network domain over another based, at least, on the modification of the configuration parameter;
• and
• means for prioritizing the network configured to offer emergency call service to the apparatus over the original serving network of the apparatus based, at least, on the modifying the configuration parameter.

An apparatus to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities, comprising:

• a configuration module configured to:
• modify a configuration parameter of a user equipment, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within a wireless communication system, and wherein a modified configuration parameter results in a preference by the apparatus for a network, cell or service configured to support emergency calls by the apparatus, wherein the apparatus is a user equipment, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the wireless communication system includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the apparatus and at least another of the plurality of networks is a network configured to offer emergency call service to the apparatus;
• prioritize a network domain over another based, at least, on the modification of the configuration parameter;
• and
• prioritize the network configured to offer emergency call service to the apparatus over the original serving network of the apparatus based, at least, on the modifying the configuration parameter.

A method to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities for facilitating emergency call service in a wireless communication system, the method comprising:

• receiving information indicative of a request for initiation of an emergency call from a user equipment;
• and
• receiving or providing emergency call service to the user equipment, wherein receiving or providing is performed by a network based, at least, on the user equipment modifying a configuration parameter of a user equipment, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within the wireless communication system, wherein a modified configuration parameter results in a preference by the user equipment for the network, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the user equipment includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the user equipment and at least another of the plurality of networks is a network configured to offer emergency call service to the user equipment, wherein a network domain is prioritized over another based, at least, on the modification of the configuration parameter, and wherein the network domain is prioritized to offer emergency call service to the user equipment over the original serving network of the user equipment based, at least, on the modified the configuration parameter.

A computer program product, comprising:

• a computer-readable non-transitory storage medium configured to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities, comprising:
• a first set of codes for causing a computer to receive information indicative of a request for initiation of an emergency call from a user equipment;
• and
• a second set of codes for causing the computer to receive or provide emergency call service to the user equipment, wherein receiving or providing is performed by the computer based, at least, on the user equipment modifying a configuration parameter of a user equipment, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within a wireless communication system, wherein a modified configuration parameter results in a preference by the user equipment for a network configured to offer emergency call service to the user equipment, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the user equipment includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the user equipment and at least another of the plurality of networks is a network configured to offer emergency call service to the user equipment, wherein a network domain is prioritized over another based, at least, on the modification of the configuration parameter, and wherein the network domain is prioritized to offer emergency call service to the user equipment over the original serving network of the user equipment based, at least, on the modified the configuration parameter.

An apparatus to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities, comprising:

• means for receiving information indicative of a request for initiation of an emergency call from a user equipment;
• and
• means for receiving or providing emergency call service to the user equipment, wherein receiving or providing is performed by the apparatus based, at least, on the user equipment modifying a configuration parameter of a user equipment, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within a wireless communication system, wherein a modified configuration parameter results in a preference by the user equipment for a network configured to offer emergency call service to the user equipment, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the user equipment includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the user equipment and at least another of the plurality of networks is a network configured to offer emergency call service to the user equipment, wherein a network domain is prioritized over another based, at least, on the modification of the configuration parameter, and wherein the network domain is prioritized to offer emergency call service to the user equipment over the original serving network of the user equipment based, at least, on the modified the configuration parameter.

An apparatus to enable autonomous change of User Equipment circuit-switched (CS)/packet-switched (PS) mode and access stratum reselection priorities, comprising:

• a configuration module configured to:
• receive information indicative of a request for initiation of an emergency call from a user equipment;
• and
• receive or provide emergency call service to the user equipment, wherein receiving or providing is performed by the apparatus based, at least, on the user equipment modifying a configuration parameter of a user equipment, wherein the configuration parameter is related to at least one of:
• network selection, cell selection or reselection or service selection within a wireless communication system, wherein a modified configuration parameter results in a preference by the user equipment for a network configured to offer emergency call service to the user equipment, wherein the configuration parameter includes information indicative of a plurality of cell reselection priorities, wherein the user equipment includes a plurality of networks wherein at least one of the plurality of networks is an original serving network of the user equipment and at least another of the plurality of networks is a network configured to offer emergency call service to the user equipment, wherein a network domain is prioritized over another based, at least, on the modification of the configuration parameter, and wherein the network domain is prioritized to offer emergency call service to the user equipment over the original serving network of the user equipment based, at least, on the modified the configuration parameter.