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Distributed Generalized Low-Density Codes for Wireless Relay Networks

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2 Author(s)
Changcai Han ; Key Lab. of Inf. Process. & Intell. Technol., Beijing Univ. of Posts & Telecommun., Beijing ; Weiling Wu

Distributed generalized low-density (GLD) codes are proposed for cooperative networks with multiple relays. Specifically, every relay can decode and forward one or several constituent codes of the GLD code to cooperatively construct a distributed GLD code using the partial error-detecting and error-correcting capabilities of the GLD code. The scheme can be flexibly adjusted to the variation of the relay number and work effectively under both perfect and imperfect source-relay channels verified by simulations.

Published in:

Communications Letters, IEEE  (Volume:12 ,  Issue: 10 )