Method and apparatus for tracking, in real-time, a position of a mobile wireless communication device

摘要

The present disclosure describes systems and techniques relating to determining a real-time position of a mobile device. According to an aspect of the described systems and techniques, a data processing apparatus includes: one or more integrated circuit (IC) devices including a location processor configured to acquire and track measurements of location for a mobile wireless communication device; and a host processor programmed with a host software manager configured to obtain various positioning input signals from different device positioning technologies and assemble a selected set of the various positioning input signals into a unified format; wherein the data processing apparatus includes a hybrid fusion engine configured to receive data from the host software manager in the unified format and calculate a position of the mobile wireless communication device using the received data in accordance with input type information for the received data.

主权项

1. A data processing apparatus comprising:
one or more integrated circuit (IC) devices including a location processor configured to acquire and track measurements of location for a mobile wireless communication device; and a host processor programmed with a host software manager configured to obtain various positioning input signals from different device positioning technologies and assemble a selected set of the various positioning input signals into a unified format; wherein the data processing apparatus includes a hybrid fusion engine configured to receive data from the host software manager in the unified format and calculate a position of the mobile wireless communication device using the received data in accordance with input type information for the received data; wherein the host software manager is further configured to manage a location database for wireless positioning and map aiding information used with the position calculation; wherein the location database comprises a virtual database distributed between a first database local to the mobile wireless communication device and one or more second databases accessible over a network, wherein the host software manager maintains data relevant to the calculated position in the first database; and wherein the host software manager controls selection and indexing of map data based on global coordinates from a satellite navigation receiver, including caching map data in the first database.