Optimized IR-HARQ Schemes Based on Punctured LDPC Codes Over the BEC

We study incremental redundancy hybrid automatic repeat request (IR-HARQ) schemes based on punctured, finite-length, low-density, parity-check (LDPC) codes. The transmission is assumed to take place over time-varying binary erasure channels, such as mobile wireless channels at the application layer....

Full description

Saved in:
Bibliographic Details
Published in:IEEE transactions on information theory 2012-10, Vol.58 (10), p.6433-6445
Main Authors: Andriyanova, I., Soljanin, E.
Format: Article
Language:English
Subjects:
Applied sciences
Automatic repeat request
Binary erasure channel (BEC)
Channels
Codes
Coding, codes
Computer Science
Decoding
Delay
Equipments and installations
Exact sciences and technology
hybrid automatic repeat request (HARQ)
incremental redundancy (IR)
Information Theory
Information, signal and communications theory
Iterative decoding
low-density parity-check (LDPC) codes
Mathematics
Mobile radiocommunication systems
Optimization
Protocol
Protocols
puncturing
Radiocommunications
rateless codes
Redundancy
Signal and communications theory
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Throughput
throughput versus delay tradeoff
Transmission and modulation (techniques and equipments)
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We study incremental redundancy hybrid automatic repeat request (IR-HARQ) schemes based on punctured, finite-length, low-density, parity-check (LDPC) codes. The transmission is assumed to take place over time-varying binary erasure channels, such as mobile wireless channels at the application layer. We analyze and optimize the throughput and delay performance of these IR-HARQ protocols under iterative, message-passing decoding. We derive bounds on the performance that are achievable by such schemes, and show that, with a simple extension, the iteratively decoded, punctured LDPC code-based IR-HARQ protocol can be made rateless and operating close to the general theoretical optimum for a wide range of channel erasure rates.
ISSN:0018-9448
1557-9654
DOI:10.1109/TIT.2012.2203580