China Unicom and China Telecom have been given approvals to extend trials of their hybrid 4G networks from 16 cities to 40, Reuters reports. The duo both began testing networks utilising a mixture of Time Division (TD) and Frequency Division (FD) Long Term Evolution (LTE) technologies in June this year. Unicom and Telecom have struggled to compete with market leader China Mobile since TD-LTE licences were handed out in December 2013. Whilst China Mobile has fully embraced the home-grown platform, Unicom and Telecom have been reticent, developing strategies to use the technology in conjunction with the FD-LTE standard – licences for which are yet to be distributed. Amongst the new cities to be added to the trial are Beijing, Tianjin, Dongguan, Xiamen and Changchun.
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