Is Your Handset RF Ready for 5G?
By Ben Thomas, Director of 5G Business Development, Mobile Products
Accelerated 5G standards development has enabled mobile operators to advance their plans for 5G rollouts, creating pressure for smartphone manufacturers to add 5G New Radio (NR) support to handset designs even while 5G specifications are still evolving. 5G introduces multiple challenging requirements, including unprecedented bandwidth, 4x4 MIMO and higher peak-to-average power ratios together with very high PA linearity and extensive carrier aggregation-driven frequency congestion. Furthermore, initial mobile deployments will use the non-standalone (NSA) 5G New Radio specification, which creates additional complex RF challenges because of the need for simultaneous 4G LTE and 5G connectivity. While the specifications are still evolving it is necessary to draw on existing systems knowledge and expertise to estimate the impacts and the implications for RF design. As in previous major technology transitions, innovative new RF solutions will be required to solve the complex challenges of 5G.
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