Capacity region of a one-bit quantized Gaussian multiple access channel

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Title: Capacity region of a one-bit quantized Gaussian multiple access channel
Authors: Rassouli, B
Varasteh, M
Gunduz, D
Item Type: Conference Paper
Abstract: The capacity region of a two-transmitter Gaussian multiple access channel (MAC) under average input power constraints is studied, when the receiver employs a zero-threshold one-bit analog-to-digital converter (ADC). It is proved that the input distributions that achieve the boundary points of the capacity region are discrete. Based on the position of a boundary point, upper bounds on the number of the mass points of the corresponding distributions are derived. Finally, a conjecture on the sufficiency of K mass points in a point-to-point real AWGN with a K-bin ADC front end (symmetric or asymmetric) is settled.
Issue Date: 25-Jun-2017
Date of Acceptance: 1-Apr-2017
URI: http://hdl.handle.net/10044/1/46224
Publisher: IEEE
Journal / Book Title: IEEE International Symposium on Information Theory 2017
Copyright Statement: This paper is embargoed until publication.
Sponsor/Funder: Engineering & Physical Science Research Council (E
Commission of the European Communities
Funder's Grant Number: EP/N021738/1
677854
Conference Name: ISIT 2017
Publication Status: Accepted
Start Date: 2017-06-25
Finish Date: 2017-06-30
Conference Place: Aachen, Germany
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering



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