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4 with up to 150 MBit/s without much effort, at least in the frequency ranges around 1800 MHz and 2600 MHz. It is only more difficult if higher speeds are desired. In other countries, such as South Korea, for example, there is already this problem, where carrier aggregation is used. Before I get to the details of this technology, first a short video from the company Qualcomm, which explains the functionality in a quite appealing way:Ĭarrier aggregation: bundling of different frequencyīlocks with CA, the network operators are able to bundle different frequency blocks into a large block for the first time. After 3GPP release 10, the upper limit is at 100 MHz, although a later expansion is of course not excluded. In the medium term, however, it is likely to be a bundling of 40 to 60 MHz.
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3), a maximum of 75 MBit/s can be reached in the downstream, although not much more than 60 MBit/s is possible.įortunately, the providers in Germany have enough spectrum to be able to connect at least LTE cat. The topic affects almost all mobile network operators in the world: they do not have enough coherent frequency spectrum to easily offer the high data rates of LTE-A. In Germany, for example, there is only 20 MHz bandwidth available in the frequency range around 800 MHz – paired in 4 blocks, ie 10 MHz for the downlink and 10 MHz for the uplink. In the configuration currently in use (2 × 2 MIMO, LTE UE Cat. Problem: Frequency spectrum is a scarce resource
CHECK CARRIER AGGREGATION IN ACTIX PLUS
8 UE) compared to normal LTE, improved data rates on the cell edge are also a plus for LTE-A. However, in spite of various optimizations, one will need more frequency spectrum in the future in order to be able to further increase the data rates and meet the increase in global traffic – the peak data rates of LTE-A can only be achieved if up to 100 MHz are bundled. And this is where Carrier Aggregation is used. In addition to a higher speed (up to about 1.2 gigabits per second downstream in LTE cat. In this article I would like to explain the concept or the technology carrier aggregation in connection with LTE. Carrier aggregation, in short CA , is an important component of the 3GPP release 10, and thus of LTE-Advanced ( LTE-A ), which was specified in 3GPP Release 10. LTE-A consists of several components, including CA, for example 8 × 8 MIMO, and LTE UE categories 6, 7 and 8. ZTE 4G USB Dongle/Modem/ Surfstick (19).
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