U.S. carrier MetroPCS has announced commercial launch of Voice over LTE (VoLTE) services and availability of VoLTE-capable handsets. MetroPCS is selling the new VoLTE-capable LG Connect 4G Android smartphone at select U.S. stores and will continue to roll out VoLTE services and phones in the coming weeks.
South Korean service provider SK Telecom has launched HD voice call service over LTE. According to the company, HD voice call connection time is less than 0.25 to 2.5 seconds, 2 to 20 times shorter than 3G voice calls that require an average of 5 seconds to connect a call.
Vodafone plans to deploy mobile broadband 4G network in selected areas in Greece this year. Vodafone began in 2010 the deployment of 4G LTE network in Europe, and today its 4G networks are already deployed for commercial use in Germany and Portugal, whereas pilot testing continues in a series of countries.
U.S. operator Sprint plans to deploy Alcatel-Lucent’s lightRadio™ Metro Cells to augment LTE mobile broadband coverage in high-traffic areas, Alcatel-Lucent announced today. Metro cells are mini base stations that can easily be deployed indoors or outdoors to provide enhanced capacity.
Despite continuous rise in smartphone penetration and strong growth of LTE subscriber base, SK Telecom's revenue decreased by 0.6% year-on-year due to the impact of diverse mobile tariff cut measures including lowering of the monthly basic rate, company announced today.
Huawei has announced a new proposal for the LTE-Advanced Multi-Stream Aggregation (MSA) technology standard for increase in data rates at the cell's edge.
NTT DOCOMO, NEC, Fujitsu and Fujitsu Semiconductor Limited have agreed to form a joint venture to focus on the development and sales of semiconductor products with built-in modem functions for use in communications equipment.
Optus has selected Nokia Siemens Networks to modernize its mobile network, refarme the 900 MHz GSM frequency band, and provide infrastructure and services for LTE rollout in Sydney and Perth. In addition, Nokia Siemens Networks is supplying LTE core to Optus.
Australian mobile service provider Optus has expanded the availability of 4G services utilizing its 4G FDD-LTE network in Sydney and Perth. Optus will have two 4G products available, the Optus 4G USB and the Optus 4G mobile Wi-Fi modem.