It’s about time for 5G – and about giving radios precise local clock sources even in harsh environments: Page 6 of 6

July 04, 2019 //By Markus Lutz, CTO and Founder, SiTime Corporation
It’s about time for 5G – and about giving radios precise local clock sources even in harsh environments
Redefining best practices for implementing 5G timing and synchronization solutions

Developers of 5G network equipment face difficult challenges. They must establish and ensure a stable timing source for 10 times the volume of installed radio equipment than was the case with 4G networks. The connection to the core network will be via lower-grade switched networks, further increasing the requirement for reliable clocks in the radios. Plus, the stability of the timing source must be guaranteed in significantly harsher environments than where 4G radio equipment has been deployed, without benefit of the earlier radios’ more protective housings. MEMS oscillators offer an alternative to legacy quartz-based OCXOs, which simply cannot meet these challenges.  MEMS solutions deliver the stability, performance and immunity to shock, vibration, heat and rapid temperature shifts that are necessary for ensuring that 5G radios can be installed wherever necessary, regardless of environmental conditions. At the same time, these MEMS OCXOs redefine best practices for creating 5G systems and give developers significantly more design options than they had with legacy quartz-based OCXOs.

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