Massive device connectivity with massive MIMO

L Liu, W Yu - 2017 IEEE International Symposium on …, 2017 - ieeexplore.ieee.org
This paper studies a single-cell uplink massive device communication scenario in which a
large number of single-antenna devices are connected to the base station (BS), but user …

Asynchronous massive access and neighbor discovery using OFDMA

X Chen, L Liu, D Guo, GW Wornell - arXiv preprint arXiv:1706.09387, 2017 - arxiv.org
The fundamental communication problem in the wireless Internet of Things (IoT) is to
discover a massive number of devices and to allow them reliable access to shared …