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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Honary, B. Heravi, B.M. Kariyawasam, S. Pandya, N. |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. of Commun. Syst., Lancaster Univ., Lancaster, UK (Honary, B.; Heravi, B.M.; Kariyawasam, S.; Pandya, N.) |
| Abstract | Structured LDPC codes enable low-complexity decoding as well as efficient implementation of encoder reducing the complexity down to the order of the number of parity-check bits. Construction of structured LDPC codes is based on combinatorial approaches such as balanced-incomplete block-design (BIBD) and finite fields to design quasi-cyclic LDPC (QC-LDPC) codes. Well designed QC-LDPC codes can perform as well as randomly constructed LDPC codes with iterative decoding based on belief propagation in terms of bit-error probability. It has been shown that QC-LDPC codes can achieve lower error floor than randomly constructed LDPC codes. Within this work, the design of quasi-cyclic LDPC codes for a range of practical applications is discussed which includes construction of variable-rate large-block-length LDPC codes for DVB-S2 and DVB-T2 applications and adaptive short-block-length LDPC codes for HF applications. Moreover, efficient implementation of QC-LDPC decoder/encoder for FPGA devices which reduces memory requirements is presented. |
| Starting Page | 1 |
| Ending Page | 1 |
| File Size | 114392 |
| Page Count | 1 |
| File Format | |
| ISBN | 9781424442430 |
| DOI | 10.1109/ICSPCS.2008.4813651 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-12-15 |
| Publisher Place | Australia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless sensor networks Base stations Parity check codes Decoding Communication system security Power system security Cryptography Jamming Galois fields Digital video broadcasting |
| Content Type | Text |
| Resource Type | Article |
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