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Before we can understand how the 5G we need to understand how 5g works.
• Resources should be be shared between the LTE and NR and what is the goal from DSS?Resources will be dynamically assigned based on traffic conditions.• What is the main goal and motivation for using 4G DSS?I. The Main goal is wide area coverage.II. Current NR frequencies are in mid and high bands which are important for capacity.III. Lower operating bands be used, and those bands are currently occupied by LTE.• What do LTE and NR Need to boost performance and work together?LTE and NR systems need to be synchronized in both time and frequency domain. When using 15kHz sub-carrier spacing for NR, both technologies can operate on a common time/frequency grid.NR can also operate in a 30 kHz spacing.• Is DSS Visible to LTE only Devices?DSS is transparent to LTE devices This means NR must operate around LTE’s “Always On” signalssuch as the cell specific reference signal
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