NDLI: Layered schemes for large-alphabet secret key distribution

Content Provider	IEEE Xplore Digital Library
Author	Hongchao Zhou Ligong Wang Wornell, G.
Copyright Year	2013
Description	Author affiliation: Res. Lab. of Electron., Massachusetts Inst. of Technol., Cambridge, MA, USA (Hongchao Zhou; Ligong Wang; Wornell, G.)
Abstract	We discuss the design of practical codes for large-alphabet secret key distribution, motivated by the application of high-dimensional quantum key distribution. We introduce and study a simple scheme called layered scheme, which can be treated as a variant of coded modulation. The idea of layered schemes is to first split the observed large-alphabet symbols into bit layers, and to then encode all the bit layers either independently or jointly using binary codes. The channels that we are interested in are more general than the AWGN channels or Rayleigh fading channels studied in coded modulation. We present and compare different implementations of layered schemes, i.e., based on independent parallel encoding or joint encoding, and we investigate different approaches in how to map large-alphabet symbols into bit layers. Both theoretical analyses and simulation results show that layered schemes have good performances on q-ary channels such as uniform-error channels and limited-magnitude-error channels.
Starting Page	1
Ending Page	10
File Size	287284
Page Count	10
File Format	PDF
ISBN	9781467346481
e-ISBN	9781467346474
DOI	10.1109/ITA.2013.6502993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-02-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laboratories Modulation Encoding Parity check codes Decoding Joints Photonics
Content Type	Text
Resource Type	Article

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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
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