Saturday, 29 November 2014

'Inside-out' or 'Outside-in'

Going through my old presentations, I came across this prestigious lecture delivered by Dr. Tim Whitley of BT. The main argument of that lecture was, The future of mobile is fixed and the future of fixed is mobile. During the ending of the presentation there is a discussion on Outside-in v/s Inside-out. Lets look at those slides here:



Qualcomm is a big fan on Inside-out as can be seen here. Other small cell manufacturers support the inside-out approach too.

The question is, does inside-out approach matters any more. By next year many operators and devices will support VoWiFi in native client. Which means that even if your coverage is poor or non-existant inside, you will still receive voice calls and text messages. Data will continue over WiFi as normal.

An argument in favour of cellular is better/guaranteed QoS as in VoLTE and maybe new services can be available faster but private WiFi best (or no) effort is not bad generally.

What are your thoughts on this topic?

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1 comment:

  1. Unknown2 December 2014 at 05:49

    Zahid,
    Both VoLTE as well as VoWiFi for sustainable interoperability and seamless mobility, requires a solid network infrastructure of IMS be it Open_IMS and Open_EPC duo or traditional private infrastructures of huge investments once for all

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