What is the difference between 3 and 3x

Most operators choose NSA as the early deployment of 5G. It can be further divided into three types of networking architecture in the sight of different user plane aggregation point and distribution flow types, as shown below:.

The operators can choose the appropriate architecture according to the existing network situation and evaluation of network transformation and upgrading cost.

My Opinion that Option 3 offers limited data peak rate and necessary LTE expansion for User Plane data split, Option 3a is not common due to the mobility issue between 5G covered and non-covered areas and finally, Option 3X is the next option so far as it provides dynamic user plane split in RAN at the packet level and provides better performance.

Communication Engineering Frontier Knowledge Base. Subscribe and Get Notified! Maybe later! January 14, It can be further divided into three types of networking architecture in the sight of different user plane aggregation point and distribution flow types, as shown below: Option a-3x CP Anchor: Control Plane Anchor Signaling Anchor or Control Plane Anchor.

S1-C interface is always terminated by the LTE part. Difference service bearers can be carried in 4G or 5G gNB carry on most of the traffic and avoids excessive LTE upgrades The backhaul to the core network and between the two nodes also need to be improved. In other words, there are different options of how data can flow between the core network and the base station and between the two base station parts:.

This means that the 5G gNB does not communicate with the 4G core network directly! This means that there can be no load sharing of data over a single bearer over 4G and 5G. That means, for example, that the 4G part only handles the VoLTE voice traffic for a user while his Internet traffic is only handled by the 5G part of the base station.

Option 3X : In this configuration, user data traffic directly flows to the 5G gNB part of the base station. From there, it is delivered over the air interface to the mobile device.

It is also possible to forward a part of the data over the X2 interface to the 4G gNB part of the base station and from there to the UE.

Slow data streams, e. So many options to choose from.