Apparatus and method for internetworking interface in multimode wireless communication

An apparatus for support of machine type communication (MTC) in a long-term evolution (LTE) environment, comprising:

• an LTE modem, configured to access a first wireless network and execute first data transactions over said first wireless network, wherein said first wireless network comports with LTE radio access technology (RAT) standards;
• a CDMA modem, operationally coupled to said LTE modem, configured to access a second wireless network and execute second data transactions over said second wireless network, wherein said second wireless network comports with one or more CDMA-based RAT standards, said CDMA modem comprising:
• an inter-radio access technology (IRAT) application programming interface (API) element, configured to send/receive IRAT messages via function calls to/from said LTE modem, wherein said IRAT messages remain the same regardless of interface requirements for said LTE modem;
• and
• an inter-process communication (IPC) module, coupled to said IRAT API element, configured to generalize said function calls to enable said CDMA modem to interoperate with said LTE modem;
• and
• an application processor, coupled to said LTE modem and to said CDMA modem, configured to implement main a call control to internetwork between said modems.

A method for support of machine type communication (MTC), comprising:

• via an LTE modem, first accessing a first wireless network, wherein the first wireless network comports with LTE radio access technology (RAT) standards;
• and
• via a code division multiple access (CDMA) modem, operationally coupled to the LTE modem, second accessing a second wireless network, wherein the second wireless network comports with one or more CDMA-based RAT standards, wherein said second executing comprises:
• via an inter-radio access technology (IRAT) application programming interface (API) element, sending/receiving IRAT messages via function calls to/from the LTE modem, wherein the IRAT messages are compatible with interface requirements for the LTE modem;
• and
• via an inter-process communication (IPC) module that is coupled to the IRAT API element, generalizing the function calls to enable the CDMA modem to interoperate with the LTE modem.