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![topology_wiki_if_info](/uploads/bd95c55e239d074200a67c2e26b71ff7/topology_wiki_if_info.png)# How to use OAI to setup C-RAN -> NGFI RCC/RRU
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![topology_wik# How to use OAI to setup C-RAN -> NGFI RCC/RRU
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In this tutorial, we will describe how to connect a commercial off-the-shelf UE (i.e. smartphone and LTE dongle) with the C-RAN version of the OAI eNB. The OAI C-RAN architecture is described in detailed on this [whitepaper](http://www.openairinterface.org/?page_id=1695).
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... | ... | @@ -14,6 +14,7 @@ Figure 1: NGFI based OAI C-RAN architecture |
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The tutorial set up is depicted once more in the following figure, this time containing interconnection information (i.e. IP addresses and Ethernet interface names) that will be used in certain configuration files.
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![topology_wiki_if_info](/uploads/1dc178ffd804f8225f3abd48fb5c1b55/topology_wiki_if_info.png)
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Figure 2: OAI RRU, OAI RCC and OAI EPC+HSS on different hosts (interface information included)
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