Understanding the Different Aspects of LTE and Its Impact in Various Areas
Many operators are gearing up to embrace the standardization roadmap defined by 3GPP for the so-called 4G mobile technology to build on the technical foundations of the 3GPP family of cellular systems viz. GSM, GPRS, EDGE, WCDMA and HSPA as well as non-3GPP technologies viz. 1xRTT, EV-DO, 3xRTT. It is imperative that these operators expect the legacy systems, services and applications deployed already to evolve to support the LTE/SAE seamlessly along with the current breed of technologies. Also, as operators start deploying LTE/SAE in a phased manner over several years with different evolution paths, the evolved systems, services and applications will have to also support requirements to facilitate inter-system or intra-system roaming and interworking e.g. GSM->LTE, WCDMA->LTE, EV-DO->LTE, TD-SCDMA->LTE as well as to support the different variants of the technology implementations in the roaming and interworking environment.
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