China Mobile and equipment vendor Huawei Technologies have completed what they claim to be ‘the world’s first uplink Carrier Aggregation (CA) field testing and validation’ over Jiangsu Mobile’s commercial network. The trial showed a 180% increase in uplink rates by utilising uplink CA and 64QAM (Quadrature Amplitude Modulation) technologies. Alongside the uplink CA verification, China Mobile has also started upgrading the entire network in Shenzhen to Time Division Duplex (TDD) LTE-Advanced (LTE-A) technology by enabling downlink CA.
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