Along with LTE introduction, 3GPP also standardized Single Radio Voice Call Continuity (SRVCC) in Release 8 specifications to provide seamless continuity when an UE handovers from LTE coverage (E-UTRAN) to UMTS/GSM coverage (UTRAN/GERAN).

TeliaSonera's 4G network is now three year old. Operator launched first commercial 4G LTE in Stockholm and Oslo on 14 December 2009. Since 2009, TeliaSonera has expanded its network across the country and now covers almost 700 cities throughout Sweden. Earlier last fall, operator completed two years of Gothenburg and Malmö's 4G network.

According to a latest small-cell market status report by Informa Telecoms & Media, 98% of mobile operator respondents believe small cells are essential for the future of their networks. Results are based on a survey with 280 respondents from around the world, although focused on Asia, Europe and North America and more than 30% of whom were operators.

According to the new Ericsson Mobility Report, LTE will account for some 10 percent (approximately 90 million) of all mobile subscriptions in Latin America by 2018. Company says that 14 million new mobile subscriptions were recorded in Q3 for a total of 676 million and estimates that another 230 million mobile subscriptions will be added by 2018.

Originally, when the International Telecommunications Union (ITU) determined what was considered 4G, LTE, WiMAX, and HSPA+ did not make the cut. However, operators began using ‘4G’ term for LTE WiMAX and HSPA+ as they started commercial roll outs, making ITU to reconsider its position.