Ezzeldin
Hamed, Hariharan
Rahul, Mohammed A. Abdelghany,
Dina Katabi
ACM SIGCOMM
2016, Florianópolis, Brazil, August 2016
Recent years have seen a lot of work in moving distributed MIMO from
theory to practice. While this prior work demonstrates the feasibility
of synchronizing multiple transmitters in time, frequency, and phase,
none of them deliver a full-fledged PHY capable of supporting
distributed MIMO in real-time. Further, none of them can address
dynamic environments or mobile clients. Addressing these challenges,
requires new solutions for low-overhead and fast tracking of wireless
channels, which are the key parameters of any distributed MIMO
system. It also requires a software-hardware architecture that can
deliver a distributed MIMO within a full-fledged 802.11 PHY, while
still meeting the tight timing constraints of the 802.11
protocol. This architecture also needs to perform coordinated power
control across distributed MIMO nodes, as opposed to simply letting
each node perform power control as if it were operating alone. This
paper describes the design and implementation of MegaMIMO 2.0, a
system that achieves these goals and delivers the first real-time
fully distributed 802.11 MIMO system.
[PDF (382KB)]
Bibtex Entry:
@inproceedings{ezz2016rtmegamimo,
author = "Ezzeldin Hamed and Hariharan Rahul and Mohammed Abdelghany and Dina Katabi",
title = "{Real-time Distributed MIMO Systems}",
booktitle = {ACM SIGCOMM 2016},
year = {2016},
month = {August},
address = {Florianópolis, Brazil}
}