AT&T has released some ongoing 5G trial details earlier this week. The company had started enterprise 5G trial in Austin, Texas more than a year ago to explore mmWave and testing 5G equipment and later expanded 5G trials to more places in Waco, Texas, Kalamazoo, Michigan and South Bend, Indiana.

ZTE has completed a successful demonstration of the 40 MHz uplink Carrier Aggregation (CA) over a TD-LTE network, in partnership with Marvell Technology Group.

Reliance Industries is planning to offer 4G broadband services by early next year and scale it up to a countrywide network by the middle of 2012.

Ericsson together with Qualcomm successfully performed a voice handover based on the 3GPP-standardized functionality Single Radio Voice Call Continuity (SRVCC) demonstrating users will experience seamless voice services when they move out of LTE coverage, since the call will automatically be handed over to WCDMA or GSM access during the call.

U.S. carrier Verizon Wireless has launched Push to Talk Plus service with enhancements such as improved voice quality and faster call set up time on its 4G LTE network. The service is powered by Kodiak Networks. 

Indian telecom operator Bharti Airtel has commissioned Nokia Networks to expand its 4G presence to six new circles using Nokia Networks’ radio network. Operator will deploy FDD-LTE network on 1800 MHz to provide 4G services in 6 circles. 

Telefónica Germany has selected Ericsson as main supplier to upgrade their network to support VoLTE. VoLTE has been deployed in all areas where Telefónica has LTE coverage in Germany. The commercial launch will take place once Telefónica has secured the full VoLTE device eco-system for mass-market launch.