Chan, Anthony Hing-HungAnthony Hing-HungChan2022-06-222022-06-222017-08-08https://repository.sfu.edu.hk/handle/sfu/3471United States Patent No.: 9,730,141A method for updating location information includes detecting a change in mobility of a second device, and determining whether an update condition has been met. When the update condition has been met, the method also includes updating a first location management function in accordance with location information of the second device, and forwarding the location information of the second device to a second location management function.entechnical documentation