High-performance 4G NB-IoT Internal Antenna

The High-performance 4G NB-IoT Internal Antenna is a 51x14mm flexible PCB antenna with a 5dBi gain antenna, the same size we also provide an NB-IoT PCB antenna item for your choice.

What is the NB-IoT core network?

In order to send the Internet of Things to the application, the honeycomb network (CIOT) defines two optimization schemes in EPS:

• Ciot EPS User Function Optimization (User Plane Ciot EPS OPTIMISATION)

• Ciot EPS Control Function Optimization (Control Plane Ciot EPS OPTIMIMIMIMIMIMISATION)

In the actual network deployment, in order to reduce the number of physical NEs, the core network element (such as MME, SGW, and PGW) can be un-deployed, called the CIOT service gateway node C-SGN, as shown in the virtual box. As can be seen from this, the PGW can be set, or it can be integrated into the C-SGN.

For Ciot EPS control surface function optimization, uplink data is transmitted from eNB (Ciot RAN) to MME, and the transfer path is divided into two branches: transferred to the PGW through the SGW to send to the application server, or via SCEF (Service Capa- Bility Exposition function is connected to the application server (Ciot Services) that only supports non-IP data transfer.

The downlink data transfer path is just the opposite direction.

This scheme does not need to establish a data wireless bearer, and the packet is sent directly to the signaling wireless bearer. Therefore, this scheme is very suitable for non-fashionable small packet delivery.

SCEF is designed to be an NB-IOT design, which is used to deliver non-IP packets on the control plane and provide an abstract interface for network services such as authentication.

For Ciot EPS user-face function optimization, the Internet of Things Data Transfer is the same as traditional data traffic, and data is transmitted on the wireless bearer, and the SGW is transmitted to the PGW to the application server.

Therefore, this scheme will generate additional overhead when establishing a connection, but its advantage is faster in the data package sequence.

This scenario supports IP data and non-IP data transfer.