Patent ID: 9113435
Filing Date: 2015-08-18
Classification: H04L,H04W

Abstract:
1. A communication control method in a terminal apparatus, the communication control method comprising: starting a first communication route establishment procedure by transmitting control information requesting an establishment of a communication route through a first access system, the first communication route establishment procedure being a procedure that a position managing apparatus registers at least a first IP address associated with a second IP address, wherein the first IP address is used for communications in the terminal apparatus, and the second IP address indicates a data transfer destination of data addressed to the terminal apparatus and transferred from the position managing apparatus; establishing a first communication route with the position managing apparatus through the first access system, based on the first communication route establishment procedure; starting a second communication route establishment procedure by transmitting control information requesting an establishment of a communication route through a second access system, wherein the second communication route establishment procedure is a procedure that the position managing apparatus registers at least the first IP address associated with a third IP address and the first IP address is used for communications in the terminal apparatus, and the third IP address indicates a data transfer destination of data addressed to the terminal apparatus and transferred from the position managing apparatus; establishing a second communication route with the position managing apparatus through the second access system, based on the second communication route establishment procedure; keeping simultaneously the first communication route and the second communication route both of which are used for performing communications using the first IP address; and in accordance with a communication flow performing communications using the first IP address, performing transmission and reception of data of the communication flow by using the first communication route or the second communication route.