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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhenyu Liu Pados, D.A. |
| Copyright Year | 2003 |
| Description | Author affiliation: Dept. of Electr. Eng., New York State Univ., Buffalo, NY, USA (Zhenyu Liu; Pados, D.A.) |
| Abstract | We develop a new low complexity algorithm for decoding low-density parity-check (LDPC) codes. The developments are oriented specifically toward the low cost-yet effective-decoding of (high rate) finite geometry LDPC codes. The decoding procedure updates the hard-decision received vector iteratively in search of a valid codeword in the vector space. Only one bit is changed in each iteration and the bit selection criterion combines the number of failed checks and the reliability of the received bits. Prior knowledge of the signal amplitude and noise power is not required. An optimal mechanism to avoid infinite loops in the search is also proposed. Our studies show that the algorithm achieves an appealing performance versus complexity trade-off for finite geometry LDPC codes. |
| Starting Page | 2713 |
| Ending Page | 2717 |
| File Size | 317234 |
| Page Count | 5 |
| File Format | |
| ISBN | 0780378024 |
| DOI | 10.1109/ICC.2003.1204470 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-05-11 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Geometry Parity check codes Iterative decoding Costs Additive white noise AWGN Electronic mail Iterative algorithms Noise level Computer errors |
| Content Type | Text |
| Resource Type | Article |
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