Patent ID: 9369864
Filing Date: 2016-06-14
CPC Classification: H04W

Claim Text:
1. A method to perform capabilities management for a client device comprising an evolved data optimized (EV-DO) compliant wireless device configured to roam between Mobile Network Operators (MNOs), the method comprising: by the client device: identifying a network; when the identified network comprises a visited network, consulting an internal database to determine whether the visited network supports enhanced high rate packet data (eHRPD) and determine whether the visited network has at least one compatible MNO roaming agreement with a home network of the client device, wherein client device capabilities comprise (i) at least one EV-DO personality, comprising compatibility with one or more EV-DO cellular technologies, and (ii) one or more compatible MNO roaming agreements supported by the home network of the client device; when the visited network supports eHRPD, advertising that the client device includes an eHRPD personality to the visited network; when the visited network does not support eHRPD, advertising that the client device includes EV-DO Release 0 and Revision A personalities; and when both the client device supports at least one EV-DO personality and the home network of the client device has at least one compatible MNO roaming agreement with the visited network: wherein: identifying the network comprises decoding a forward channel transmission from an entity of the network and extracting at least one identifying data element from the decoded forward channel transmission; and determining whether the visited network supports eHPRD comprises using the extracted at least one identifying data element to access the internal database maintained on the client device.