On Dimension Scarcity for User Admission in MIMO Interference Aligned Networks

Provided by: Institute of Electrical & Electronic Engineers
Topic: Mobility
Format: PDF
This paper focuses on the admission of new (secondary) users in a network where existing (primary) users are interference aligned. One of the challenges in this scenario is to achieve the promised degrees of freedom for the secondary users with limited available dimensions. The authors design a secondary admission network to achieve interference alignment as in equivalent general peer-peer networks, even when the secondary nodes are configured with limited antenna/spatial dimensions, along with a very strict zero-interference constraint from the primary network.

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