A Detailed Study on LDPC Encoding Techniques
Journal Title: Wireless Communication Technology - Year 2018, Vol 2, Issue 2
Abstract
This survey deals with LDPC encoding techniques. Different types of error detection and correction codes have been studied. BHC codes, Turbo code, LDPC Codes, Hamming codes are some of the vast classes of codes. Low Decoding complexity and efficient throughput are the achieved by using LDPC codes. Robert G.Gallager introduced this code so LDPC codes are Gallager code. After then Mackay and Neal in 1995 rediscovered LDPC codes because of its bit error performance. It consist of sparse of ones ie., low density of one’s because of this property decoding is simple. The major setback in LDPC codes are Encoding Complexity. WLAN (IEEE 802.11n) and MIMO OFDM are some of the applications of code. This code is a class of forward error correction (FEC) technique that exhibits capacity of impending near Shannon’s limit. LDPC codes are well identified for their capacity-approaching performance The LDPC codes have been selected as forward error correction in application including digital video broadcasting (DVBS2), 10 Gigabit Ethernet (10GBASE-T) broadband wireless access (Wi-Max), wireless local area network, deep-space communications.
Authors and Affiliations
V. Anand Kumar, Dr. V. Nandalal
Keywords
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