Field Demonstration of Cell-Free Massive MIMO System Utilizing Analog IFoF-Based Fronthaul Link (Th2A.55)
Presenter: Shinji Nimura, KDDI Research
Cell-Free massive MIMO, which requires phase accuracy of 15°, was successfully demonstrated with analog-IFoF fronthaul link at outdoor environment. Precise phase stability of < 1.41° and successful MIMO operation were confirmed for 48 hours experiment.
Authors:Shinji Nimura, KDDI Research / Yu Tsukamoto, KDDI Research / Takahide Murakami, KDDI Research / Kazuki Tanaka, KDDI Research / Kamya Yazdandoost, KDDI Research / Hiroyuki Shinbo, KDDI Research / Yoshiaki Amano, KDDI Research / Ryo Inohara, KDDI Research