---
title: Metaswitch Reference material | Path Computational Element (PCE)
description: Path Computational Element (PCE) | Learn more about the technologies we use
---

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# Reference

## Featured Articles

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#### What is 5G beamforming, beam steering and beam switching with massive MIMO

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#### What is an Open Radio Access Network (O-RAN)?

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#### What is 5G Integrated Access and Backhaul (IAB)?

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