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• Dense deployment of femtocell can address the exponential rise of mobile data traffic generated from indoor. However, dense deployment gives rise to interference which may reduce the capacity of the network. It is a challenging task to develop effective interference mitigation techniques especially considering the following two aspects:
  • where the deployment of femtocell is tightly controlled by the operators
  • where the deployment of femtocell is loosely controlled by the operators (or have no control)

The later scenario is envisioned for mass deployment of femtocells. But the question is how to control and coordinate for example the frequency assignment for femtocell if user controls the deployment and configuration of femtocells. How to control Interference for mass deployment of UMA-enabled Femtocell AP.

• Femtocell-based services use public Internet for connectivity and thereby integrate to core network. Conventional core network is not designed to integrate thousands (or millions) of femtocell access points. Scalability is a concern here.

• Security:
  • All threat to public Internet
  • Running the Iu-b interface over the Internet requires a new security layer to protect

the RNC and mobile network from Internet attacks. (is it? taken from a report published in 2007)

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Research Areas Information Security System Security Wireless and Mobile Networks Mobile Services Sensor Systems Radio propagation

Projects DigI: Digital Inclusion Internet Lite for All TrygtSvangerskap IoTSec: IoT Security SCOTT IoT ESA Ka-band GravidPluss

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