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README.txt
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README.txt
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# DPC
A Matlab and VHDL implementations of the Dirty Paper Coding (DPC) MODEM described in:
Paulo A. C. Lopes and José A. B. Gerald, A FPGA Implementation of the Log-MAP Algorithm for a Dirty Paper Coding MODEM (to be published)
and
U. Erez and S. Ten Brink, “A close-to-capacity dirty paper coding scheme,” IEEE Transactions on information theory, vol. 51, no. 10, pp. 3417–3432, 2005.
Files and folders description
### DPC_Matlab
Contains the files for the Matlab DCP CODEC implementation.
Files:
dpc.m: Main file
others: see file
### DPC_VHDL
DP_codec.vhd: Dirty Paper Codding CODEC and channel simulator.
DP_coder.vhd: Dirty Paper Codding CODEC Coder
DP_decoder.vhd: Dirty Paper Codding CODEC Decoder
- Coder files
viterbi.vhd: Viterbi algorithm.
interleaver.vhd: Interleaver for word length size 1.
BRAM2.vhd: BRAM with one-bit word size
BRAM3.vhd: BRAM with generic size and word length (equal to BRAM.vhd).
BRAM_LV.vhd: BRAM with generic size and word length (equal to BRAM.vhd).
interleaver_memory.vhd Interleaver two port memory with word size 1.
- Decoder files
log_map_beta.vhd: Calculation of the beta of the log-MAP algorithm.
log_map.vhd : Remaining calculations of the log-MAP: alpha and LLR values.
boxplus1.vhd: CNDS, reads the interleaver memory and feeds the log-MAP.
boxplus1_beta.vhd: CNDS, reads the interleaver memory and feeds log-MAP_beta.
boxplus2.vhd: Reads from log-MAP and writes to interleaver memory.
boxplus.vhd: Box Plus component (unregistered).
boxplus_r.vhd: Box Plus component (registered, for boxplus2).
vnds.vhd: VNDS nodes that reads and writes from the interleaver
BRAM.vhd: BRAM with generic size and word length.
BRAM1.vhd: BRAM with a MUX to select from the read and write address.
interleaver1.vhd Interleaver for word length size bl_log_p.
interleaver_memory1.vhd Interleaver two port memory with word size bl_log_p.
- Library files
utils.vhd CODEC global constants and utility functions