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Channel division multiple access for MTC under frequency-selective fading

conference contribution
posted on 2017-01-01, 00:00 authored by Jinho ChoiJinho Choi, N Y Yu
In this paper, we study random access for machinetype communications (MTC) based on a multiple access scheme that exploits different channel state information (CSI) from active devices under frequency-selective fading, which is called channel division multiple access (ChDMA). In ChDMA, in order to use a low-complexity compressive sensing (CS) algorithm for multiuser detection (MUD) with a high transmission rate, we employ index modulation. Since the CSI is used as a signature for MUD, the CSI estimation becomes crucial, but suffers from the pilot collision. In order to lower the probability of pilot collisions, multiple transmissions of randomly selected pilots are considered.

History

Event

IEEE Communications. International Conference (2017 : Paris, France)

Pagination

1 - 6

Publisher

IEEE

Location

Paris, France

Place of publication

Piscataway, N.J.

Start date

2017-05-21

End date

2017-05-25

ISSN

1550-3607

eISSN

1938-1883

ISBN-13

9781467389990

Language

eng

Publication classification

E1.1 Full written paper - refereed

Copyright notice

2017, IEEE

Editor/Contributor(s)

Unknown

Title of proceedings

ICC 2017 : IEEE Communications International Conference

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