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.

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.

Nokia and SFR have announced the successful completion of a 5G call, using the 3GPP-compliant 5G New Radio (NR) system over-the-air on the 3.5GHz frequency band. The test took place on  May 3rd, 2018, at the Nokia 5G Test Network and Competence Center in Paris-Saclay, France.

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. 

Deutsche Telekom has selected Ericsson as a supplier for its current and future network in one out of two market areas of Deutsche Telekom in Germany. The operator is modernizing its mobile network with 5G-ready multi-standard solutions in Germany. The modernized network will bring improved network performance experience to subscribers.

Vodafone Germany, which is expected to launch LTE network in late September, has announced it's expansion plans at a press conference at the IFA in Berlin.