Patent ID: 8175031
Filing Date: 2012-05-08
Classification: H04W

Abstract:
1. A method of providing packet data service to a mobile station comprising: serving the mobile station in a first service area of a wireless communication network using a shared packet data channel, wherein the shared packet data channel carries high-rate packet data traffic for a plurality of mobile stations according to time-multiplexed transmissions of individual user data on a Code Division Multiple Access (CDMA) carrier signal; and selectively switching packet data traffic for the mobile station from the shared packet data channel to a dedicated packet data channel in the first service area, responsive to detecting that the mobile station is in a boundary region of the first service area that corresponds to a base station controller service boundary and that is a boundary region with respect to a second service area that supports shared packet data channel service but does not support handoff of the shared packet data channel service; wherein said selective switching comprises: