How Critical is Site-Specific RAN Optimization? 5G Open-RAN Uplink Air Interface Performance Test and Optimization from Macro-Cell CIR Data

no code implementations • 25 Oct 2024 • Johnathan Corgan, Nitin Nair, Rajib Bhattacharjea, Wan Liu, Serhat Tadik, Tom Tsou, Timothy J. O'Shea

In this paper, we consider the importance of channel measurement data from specific sites and its impact on air interface optimization and test.

Encoder-Decoder Networks for Self-Supervised Pretraining and Downstream Signal Bandwidth Regression on Digital Antenna Arrays

no code implementations • 6 Jul 2023 • Rajib Bhattacharjea, Nathan West

This work presents the first applications of self-supervised learning applied to data from digital antenna arrays.

Decoder Self-Supervised Learning

High-Capacity Complex Convolutional Neural Networks For I/Q Modulation Classification

no code implementations • 21 Oct 2020 • Jakob Krzyston, Rajib Bhattacharjea, Andrew Stark

I/Q modulation classification is a unique pattern recognition problem as the data for each class varies in quality, quantified by signal to noise ratio (SNR), and has structure in the complex-plane.

Classification General Classification +1

Modulation Pattern Detection Using Complex Convolutions in Deep Learning

no code implementations • 14 Oct 2020 • Jakob Krzyston, Rajib Bhattacharjea, Andrew Stark

Transceivers used for telecommunications transmit and receive specific modulation patterns that are represented as sequences of complex numbers.

Deep Learning