Short-Packet Transmission over a Bidirectional Massive MIMO link
Paper in proceedings, 2019

We consider the transmission of short packets over a bidirectional communication link where multiple devices, e.g., sensors and actuators, exchange small-data payloads with a base station equipped with a large antenna array. Using results from finite-blocklength information theory, we characterize the minimum SNR required to achieve a target error probability for a fixed packet length and a fixed payload size. Our nonasymptotic analysis, which applies to the scenario in which the bidirectional communication is device-initiated, and also to the more challenging case when it is base-station initiated, provides guidelines on the design of massive multiple-input multiple-output links that need to support sporadic ultra-reliable low-latency transmissions. Specifically, it allows us to determine the optimal amount of resources that need to be dedicated to the acquisition of channel state information.

Author

Johan Östman

Chalmers, Electrical Engineering, Communication and Antenna Systems, Communication Systems

Alejandro Lancho Serrano

Chalmers, Electrical Engineering, Communication and Antenna Systems, Communication Systems

Giuseppe Durisi

Chalmers, Electrical Engineering, Communication and Antenna Systems, Communication Systems

Conference Record - Asilomar Conference on Signals, Systems and Computers

10586393 (ISSN)

Asilomar Conference on signals, systems, and computers
Pacific Grove, USA,

SWIFT : short-packet wireless information theory

Swedish Research Council (VR), 2017-01-01 -- 2020-12-31.

Theory and practice for optimum spectral efficiency for ad-hoc wireless networks with strict requirements on latency and reliability

Swedish Research Council (VR), 2015-01-01 -- 2019-12-31.

Areas of Advance

Information and Communication Technology

Subject Categories

Telecommunications

Communication Systems

Signal Processing

More information

Latest update

7/30/2020