NDLI: Interference neutralization using lattice codes

Content Provider	IEEE Xplore Digital Library
Author	Ghasemi-Goojani, S. Behroozi, H.
Copyright Year	2013
Description	Author affiliation: Dept. of Electr. Eng., Sharif Univ. of Technol., Tehran, Iran (Ghasemi-Goojani, S.; Behroozi, H.)
Abstract	Deterministic approach of models the interaction between the bits that are received at the same signal level by the modulo 2 sum of the bits where the carry-overs that would happen with real addition are ignored. By this model in a multi-user setting, the receiver can distinguish most significant bits (MSBs) of the stronger user without any noise. A faithful implementation of the deterministic model requires one to “neutralize interference” from previous carry over digits. This paper proposes a new implementation of “interference neutralization” [2] using structured lattice codes. We first present our implementation strategy and then, as an application, apply this strategy to a symmetric half-duplex Gaussian butterfly network. In this network, two transmitters communicate their information to two destinations via a half-duplex relay. For duplexing factor 0.5 and under certain conditions, we show that our proposed scheme based on superposition of nested lattice codes can achieve the capacity region in high SNR. Also, regardless of all channel parameters, the gap between its achievable rate region and the outer bound is at most 0.293 bits/sec/Hz.
Starting Page	1
Ending Page	5
File Size	153729
Page Count	5
File Format	PDF
ISBN	9781479913213
e-ISBN	9781479913237
DOI	10.1109/ITW.2013.6691304
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-09
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitters Lattices Interference Encoding Decoding Relays Signal to noise ratio
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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