What is fronthaul network?

What is fronthaul network?

Fronthaul, also known as mobile fronthaul, is a term that refers to the fiber-based connection of the cloud radio access network (C-RAN), a new type of cellular network architecture of centralized baseband units (BBUs) and remote radio heads (RRHs) at the access layer of the network.

What does fronthaul and backhaul mean?

Mobile backhaul refers to the transport network that connects the core network and the RAN (Radio Access Network) of the mobile network. Recently, the introduction of small cells has given rise to the concept of fronthaul, which is a transport network that connects the macrocell to the small cells.

What is fronthaul Midhaul and backhaul in 5G?

So, Fronthaul refers to the link between the RU and DU, while Midhaul refers to the link between the DU and CU, and lastly the Backhaul is representing the link between the CU and the core network.

What is difference between CPRI and eCPRI?

The Common Public Radio Interface (CPRI) is an interface that sends data from remote radio units to base station units. Enhanced CPRI (eCPRI) is a way of splitting up the baseband functions to reduce traffic strain on the fiber. Currently telcos use CPRI interface as fronthaul connection in 4G.

What is Fronthaul multiplexer?

The 5G FHM is equipment having a multiplexing function for splitting and combining a maximum of 12 radio signals on the fronthaul. It was developed in conjunction with the 5G service rollout the same as RRU (Photo 4).

What is the meaning of backhaul?

Definition of backhaul (Entry 1 of 2) 1 : the return movement of a transportation vehicle from the direction of its principal haul especially transporting a shipment back over part or all of the route.

Why is backhaul important?

Wireless backhaul strengthens this connection and provides last-mile aggregation. Rather than jumping through many hoops to reach the internet, there is direct access, as these wireless networks can deliver hundreds of data streams and enable efficient and unbound throughput for data, video and voice.

What is an Ethernet backhaul?

Ethernet Backhaul is a feature that makes it possible to wire the Deco units together. Thanks to this feature, every two Deco units can be wired with an Ethernet cable. And Deco will transmit data between the two units through the Ethernet connection, which is more stable and faster than Wi-Fi.

What is a backhaul connection?

The term backhaul is often used in telecommunications and refers to transmitting a signal from a remote site or network to another site, usually a central one. Backhaul usually implies a high-capacity line, meaning high-speed lines capable of transmitting high bandwidth at very fast speeds.

What is Fronthaul in Oran?

Fronthaul is defined as the fiber-based connection in RAN infrastructure between the Baseband Unit (BBU) and Remote Radio Head (RRH). Fronthaul originated with LTE networks when operators first moved their radios closer to the antennas.

What is 5G backhaul?

What is 5G Backhaul? The backhaul of a network consists of links from the core network to subnetworks. In 5G, the mobile network must be linked to the wired network through the backhaul. Thus, 5G backhaul refers to the signal between the 5G core and remote sites or networks.

What is Cpri in telecom?

CPRI (Common Public Radio Interface) is a specification for wireless communication networks that defines the key criteria for interfacing transport, connectivity and control communications between Baseband units (BBUs) and remote radio units (RRUs), which are also called remote radio heads (RRHs).

What is eCPRI protocol?

evolved Common Public Radio Interface (eCPRI) evolved Common Public Radio Interface (eCPRI) is a protocol, which will be used in fronthaul transport network. It will be included in standard Ethernet frames and UDP frames. There are 8 Message Types to decode with eCPRI Specification V1.

What is high PHY and low PHY?

The PHY is broken into two, low-PHY and high-PHY. The low-PHY stays in the RUs and the high-PHY stays in the DUs. As a result, the bandwidth required on the fronthaul interface is about 20 Gb for 100 MHz bandwidth with some MIMO capabilities involved.

Why is massive MIMO 5G?

Massive MIMO can increase the capacity 10 times or more and simultaneously, improve the radiated engergy-efficiency in the order of 100 times. Massive MIMO can be built with inexpensive, low-power consumption. Massive MIMO enables a significant reduction of latency on the air interface (due to robustness against fading …

What is 5G Oran?

O-RAN 5G. Disaggregation is essential for 5G deployment and evolution, enabling mobile operators to open the RAN network and leverage multi-vendor solutions. Open RAN provides new avenues for RAN customization and flexibility that are commensurate with the diversity of 5G use cases and requirements.

What is router backhaul?

Backhaul is a technical term used mostly in telecommunications. It is a synonym for “backbone”. Therefore, when someone says WiFi backhaul when referring to a mesh WiFi system, it means that the backbone of the network is made of direct wireless connections between the nodes of the mesh system.

What is the difference between backhaul and backbone?

In wireless technology, backhaul refers to the function of transmitting voice and data traffic from a cell site to a switch. backbone: A large tuned network that connects other networks and is used to carry data hundreds or even thousands of miles away.

What is backhaul equipment?

A backhaul may include wired, fiber optic and wireless components. Wireless sections may include using microwave bands and mesh and edge network topologies that may use a high-capacity wireless channel to get packets to the microwave or fiber links.