We are already aware with a fact of Slow Internet Connection faced till 4G was introduced. In those days streaming online audio and video was not as easy and fast as today. People face a lot of problem while surfing internet on mobile. Video was buffering a lot, Due to which internet was not popular among cell phone users during those days as today.
Today What we do online so fast and so smooth eg.. video conference, watching video on YouTube, streaming Netflix, Amazon Prime etc is gift of Carrier Aggregation.
Let's know about Carrier Aggregation in detail..
What is Carrier Aggregation?
Carrier Aggregation-Carrier Aggregation (CA) is an essential element of LTE Advanced enabling much higher data rates to be achieved by combining two or more carrier into single data channel to increase the capacity of the network and data rates by exploiting fragmented spectrum allocations.
This technology can be applied to either the Frequency Division Duplexing (FDD) or Test Driven Development (TDD) varientsofLTE with a maximum of five component carrier, each with a bandwidth of upto 20MHz, resulting in a total transmission bandwidth of upto 100MHz. In FDD the number of aggregated carriers can be different in Downlink (DL) and Uplink (UL). However, the number of UL component carriers is always equal to or lower than the number of DL component carriers. The individual component carriers can also be of different bandwidths. For TDD the number of CCs as well as the bandwidths of each CC will normally be the same for DL and UL.
Five 20MHz = 100MHx
Types of Carrier Aggregation:
Basically there are two types of Carrier Aggregation:
1.Intraband Carrier Aggregation: This form of a CA uses a Single Band and is further divided into two parts:
¤ Contiguous and ¤ Non-Contiguous
2. Inter-Band Non-Contiguous: This form of CA uses different bands instead of Single band. This is the most complex case as the component carriers lie in different Frequency Band.
Main Goal of Carrier Aggregation:
The overall goal of the Carrier Aggregation is to provide enhanced and consistent user experience across the cell by:
• Maximizing the peak data rate and throughput by combining peak capacities and throughput performance available at different frequencies.
• Improving mobility, by mitigating the relative inefficiencies that may be inherent in wireless deployments in non-contiguous carrier often spread across different spectrum bands.
• Providing a better and more consistent Quality of Service (QoS) to users thanks to the load-balancing across frequencies and systems. A user suffering from congestion in one band can be scheduler seamlessly access unused capacity available at another frequency or system.
• Enabling interference management with intelligent allocations of resources.
Why Carrier Aggregation is Necessary?
The spectrum is a precious resource held by the government, and the Telecom operators pay lisence fees to use them. This means, they may not have the same bandwidth in abundance, but they might have acquired different spectrums. With the use of this technology, they can combine their spectrum to provide better data speed. So in order to, increase the data speed Carrier Aggregation is necessary.
How Carrier Aggregation works?
Telecom Operators can take two connection that exist in physical space completly separately and combine them in a phone in such a way that they can be treated as one much bigger and much faster connection.
Two networks combined together to give much bigger and faster connection
How to know whether a device supports Carrier Aggregation or not?
Not all 4G Devices support LTE ADVANCED i.e.. Carrier Aggregation, and manufacturers usually don't give clear information if it is supported in given model or not. Hence let's know how to check if a device is compatible with Carrier Aggregation or not.
If 4G+ icon appears on status bar its means the "cell phone is on Carrier Aggregation mode".
4G+ icon appearance on the status bar
Network Operators Who Provide "Carrier Aggregation":
¤ Bharti Airtel
¤ Reliance Jio
¤ Idea Cellular ( In Testing Phase)
Airtel and Jio
List of Samsung Devices compatible with Carrier Aggregation:
Samsung has been good in providing latest innovation and technology in its device from the very first time. They have been provided Carrier Aggregation feature since they have introduced their flagships S6 series and not only flagship they have also been provided CA in its midranged model in the form of a7 and a5 2016.
Models with Carrier Aggregation Support:
》 S Seriesand
》 A Series and
Note: Some devices of Given Series may not be compatible with Carrier Aggregation feature.