3 FAQs about Base station room power supply

How does a 5G base station reduce OPEX?

This technique reduces opex by putting a base station into a “sleep mode,” with only the essentials remaining powered on. Pulse power leverages 5G base stations' ability to analyze traffic loads. In 4G, radios are always on, even when traffic levels don't warrant it, such as transmitting reference signals to detect users in the middle of the night.

How much power does a PSU need?

This is when the PSU is no longer powering the PA, which is the main power draw, but still needs to power other electronics. The current target for low-load efficiency is about 30 W. Some OEMs would like to see that drop to nearly 10 W.

How can a PSU reduce heat and interference in a RRU?

Minimizing heat and interference Another design being considered is based on the integration of the PSU within the RRU to reduce the RRU's size and weight. In this architecture, the PSU shares the heatsink with the PA.

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