DQ | Jesus Alonso-Zarate

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Distributed Queuing (DQ) is a revolutionary communications technology that I am confident will change the way that wireless networks operate in the future.

Together with a huge number of students and colleagues, we have been designing, modeling and studying this technology via advanced mathematical models (Queuing theory, Probabilistic methods, and Markov Chain analysis) and computer-based simulations back since 2005.

The areas of application that have been already studied are:

Wireless Access Networks for the IoT.
Mobile Ad Hoc Networks (example: Smart Cities).
Radio Frequency Identification (RFID).
5G technologies: access channels.
Body Area Networks (BANs).

From the technological point of view, the key features of DQ are:

Infinite number of connected devices in a single network
Fair resource allocation of resources among as many nodes as necessary
Able to apply traffic prioritization: QoS-enabled
The network does not suffer from congestion under any traffic load conditions
It shows a stable maximum performance
Its performance is independent of the network size
Its performance is independent of network composition (no need to know the devices associated to the network). This is a key value for the IoT.
Its performance is independent of traffic load
It maximizes the time used for actual data transmissions
It ensures collision-free data transmissions
It minimizes silence periods (no backoffs or random waiting windows)
It attains Ultra-Low energy consumption and thus very long life-time of devices

The first proof-of-concept of this technology was available in 2014. This was a joint effort between CTTC, UOC (Universitat Oberta de Catalunya), and UPC (Universitat Politècnica de Catalunya), and it received the Best Demo Runner-Up Award at the prestigious international conference IEEE INFOCOM in the year 2014.

The original seed of this technology was set up by Prof. Graham Campbell in his reference technical paper:

“A near perfect stable random access protocol for a broadcast channel”, IEEE International Conference on Communications, 1992. ICC’92.

Then, the following PhD theses have been studied and have contributed to the evolution and validation of the DQ technology:

Luis Alonso, ” “, 2001, UPC BarcelonaTECH.
Jesus Alonso-Zarate, “Design and Analysis of Medium Access Control Protocols for Ad hoc and Cooperative Wireless Networks.“, 2009, UPC BarcelonaTECH.
Francisco Vazquez-Gallego, “Towards Zero-Power Wireless Machine-t! o-Machine Networks“, 2016, UPC BarcelonaTECH.

Finally, the number of publications showing and demonstrating the potential benefits of DQ is growing every year, since we do not stop pushing for it, until the world changes thanks to it. The list of publications in the topic are:

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