AT&T Adds Carrier Aggregation to Several Big Cities
AT&T has expanded the use of carrier aggregation to its LTE network in New York City, San Francisco, and Dallas. Tom Keathley, AT&T's SVP of network and product planning, told Fierce Wireless that AT&T has deployed carrier aggregation "in a significant way." The company plans to further expand carrier aggregation across its network over the course of the year. Carrier aggregation allows two separate spectrum bands to act as one, which improves data speeds and throughput. Keathley also noted that about 20 of AT&T's handsets support LTE Advanced (Cat 4), which allows them to make use of carrier aggregation.
AT&T Stepping Up Three-Channel Carrier Aggregation
AT&T today confirmed to Fierce Wireless that, like its competitors, it is deploying three-channel carrier aggregation on its LTE 4G network. "We're currently in the process of deploying three-way carrier aggregation on our network," said AT&T spokesman Steven Schwadron in a statement given to Fierce.
Sprint's 3-Channel LTE Reaches 295Mbps
Sprint today said it has achieved peak download speeds of 295Mbps using three-channel carrier aggregation on the HTC 10 smartphone. Carrier aggregation pairs together multiple segments of spectrum to improve speed and capacity.
Samsung Says Its Modem First to Support 6 Carrier Aggregation
Samsung has breached 1.2 Gbps downloads with its latest LTE modem. The new radio is intended for Samsung's next-generation Exynos mobile processor and is the first to support six carrier aggregation (6CA), according to the company.
Sprint Retires 'Spark' and Launches 'LTE Plus'
Sprint is rebranding its LTE 4G network in an effort to call attention to the technology involved in making the network tick. Sprint LTE Plus replaces the Sprint Spark name for the company's tri-band LTE network, which uses 800MHz, 1.9GHz, and 2.5GHz.