Monday, January 22, 2018

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 The HARP project plans to bring distributed multi-antenna wireless access to reality by combining two powerful emerging technologies:

  1.  Remote radio heads (RRHs), which allow for widely geographically distributed access via radio-over-fibre connections to a central base station;
  2.  Electronically steerable passive array radiators (ESPARs), which provide multi-antenna-like functionality with a single active RF chain only.

The proposed combined network design concept is expected to yield the benefits of high capacity multi-antenna multi-cell cooperative wireless access while doing so in a realistic, low-cost and, equally importantly, environmentally-friendly manner. In order to put together this novel wireless network solution in a credible fashion, HARP will focus on:

  1. The physical layer transmission and channel estimation techniques required for efficient wireless access with ESPAR-equipped RRHs;
  2. The obtaining, processing and sharing of channel state information required for cooperative communication;
  3. The RRH aggregation network, required for efficient coordination between disparate access areas;
  4. A hardware end-to-end demonstration from the base station all the way to the ESPAR antenna transmitters to the user terminals, will serve as a proof-of-concept of the proposed architecture.

With the above, HARP holds the potential of enabling in a disruptive manner distributed multi-antenna wireless access providing, in turn, unprecedentedly high capacity for emerging and next generation wireless networks.

Category: RAS projects
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