Algebra Seminar

03/25/2020 - 2:00pm to 3:00pm
POT 745
Speaker(s) / Presenter(s): 
Tefjol Pllaha, Aalto University, Finland

Title: Binary Subspace Chirps

Abstract: One of the challenges of 5G wireless communications is to support massive Machine Type Communications (mMTC), where the network has a large number of connected devices but only small fractions are active at any given time interval. In this scenario, encoding and decoding complexity are of prime interest. In this talk we will introduce the Binary Subspace Chirps (BSSCs) as a set of complex Grassmannian lines in N = 2^m dimension, and use their algebraic and geometric features to construct a low complexity decoding algorithm.

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