Show simple item record

dc.contributor.authorKarkooti, Marjan
dc.creatorKarkooti, Marjan 2007-10-31T00:49:02Z 2007-10-31T00:49:02Z 2004-05-01 2004-05-06
dc.description Masters Thesis
dc.description.abstract Error correcting codes (ECC) enable the communication systems to have a low-power, reliable transmission over noisy channels. ow Density Parity Check codes are the best known ECC code that can achieve data rates very close to Shannon limit. This thesis presents a semi-parallel architecture for decoding Low Density Parity Check (LDPC) codes. A modified version of Min-Sum algorithm has been used for the decoder, which has the advantage of simpler computations compared to Sum-Product algorithm without any loss in performance. To balance the area-time trade-off of the design, a special structure is proposed for the parity-check matrix. An efficient semi-parallel decoder for a family of (3,6) LDPC codes has been implemented in VHDL for programmable hardware. Simulation results show that our proposed decoder for a block length of 1536 bits can achieve data rates up to 127 Mbps. The design is scalable and reconfigurable for different block sizes.
dc.description.sponsorship Nokia
dc.description.sponsorship Nokia/Texas Instruments
dc.description.sponsorship National Instruments
dc.language.iso eng
dc.subjectReconfigurable architecture
FPGA implementation
channel coding
parallel architecture
area-time tradeoffs.
dc.title Semi-Parallel Architectures For Real-time LDPC Coding
dc.type Thesis
dc.citation.bibtexName mastersthesis
dc.citation.journalTitle Masters Thesis 2004-08-30
dc.contributor.orgCenter for Multimedia Communications (
dc.subject.keywordReconfigurable architecture
FPGA implementation
channel coding
parallel architecture
area-time tradeoffs.
dc.citation.location Houston, TX Masters
dc.type.dcmi Text
dc.identifier.citation M. Karkooti, "Semi-Parallel Architectures For Real-time LDPC Coding," Masters Thesis, 2004.

Files in this item


This item appears in the following Collection(s)

  • ECE Publications [1074]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • CMC Publications [275]
    Publications by Rice Faculty and graduate students in multimedia communications

Show simple item record