Wednesday, 3 September 2014

Wi-Fi Evolution and its Role in 5G Networks

Picture Source: EE Times Asia
'5G' is becoming a  very popular term. Every other day there is some sort of a press release about some company working on a 5G technology. Those who follow my blogs will nevertheless know that I think there will be an intermediate stage which we term as 4.5G where Wi-Fi and Cellular will work together, in harmony.

While the Release-12 of 3GPP standards have been focussing on many areas, the headline grabbing technology has been Carrier Aggregation (CA). 3 bands CA in the downlink and 2 band CA in the uplink is expected to become a norm. New UE categories 9 and 10 have been defined for this.

While 802.11n, 802.11ac and 802.11ad is now starting to gain popularity, discussion about the next generation of Wi-Fi standards, 802.11ax has just begun.

I recently came across an interesting presentation from Ericsson on this topic and I think it may be worth watching. The presentation is available here and video of the presentation is embedded below:

There are lots of other talks and presentations from the Johannesberg Summit 2014 that is available here.

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