Can i have some assistance on the topic :Soft decision decoding of ldpc codes using Belief Propagation 0 Comments Sign in to comment. FEATURED DISCUSSION LLMs with MATLAB updated to support the latest OpenAI Models Large Languge model with MATLAB, a free add-on that lets you access... ...
[Y,actualnumiter,finalparitychecks] = ldpcDecode(llr,decodercfg,maxnumiter,Name=Value) specifies additional name-value arguments. For example, DecisionType='soft' specifies soft-decision decoding and outputs LLRs.Examples collapse all Decode Rate 3/4 LDPC Codewords Copy Code Copy Command Initialize...
Propagation (BP) Log, Belief Propagation (BP) Probabilistic (PROB), Belief Propagation (BP) Log Simple is example of the Soft decision decoding techniques.Keywords:-"Low Density Parity Check Code", "Quasi-Cyclic Low Density Parity Check code", "Bit Error Rate", "SNR", "Decoding techniques"...
The decoding algorithm is the key to LDPC code and the complexity of decoding direct impactrealizationof the system。There are three kinds of decoding algorithms:hard-decision method, soft—decision methods and hybrid decoding。The hard—decision method was used in this design. Based on studying ...
msg_cap1 = 0; end %Soft-decision decoding if sum(r) < 0 msg_cap2 = 1; else msg_cap2 = 0; end Nerrs = Nerrs + sum(msg ~= msg_cap2); end BER_sim = Nerrs/k/Nblocks; disp( [EbNodB BER_sim Nerrs k*Nblocks] )
[msgmsgmsg];s=1-2*cword;%BPSK bit to symbol conversionr=s+sigma*randn(1,n);%AWGN channel%Hard-decision decodingb=(r<0);%threshold at zeroifsum(b)>1msg_cap1=1;elsemsg_cap1=0;end%Soft-decision decodingifsum(r)<0msg_cap2=1;elsemsg_cap2=0;endNerrs=Nerrs+sum(msg~=msg_cap...
2.2 Code https://github.com/cea-wind/LDPCC https://github.com/robmaunder/ldpc-3gpp-matlab 3.3基于归一化最小和译码算法(Normalized min-sum algorithm,NMSA)的matlab实现 function[ iter,decoderData ]=ldpcdecoderminsum(H,HRowNum,HColNum,receiveSignal,MAX_ITER_NUM,NORM_FACTOR)%LDPCC decode algorithm...
The code in this table shows LDPC decoding inputs using the recommended function and configuration object. Discouraged FeatureRecommended Replacement % Decode using parity-check matrix (pcmatrix)dec = comm.LDPCDecoder(pcmatrix); dec.OutputValue ='Whole codeword'; dec.DecisionMethod ='Soft decision'...
The decoding algorithm is the key to LDPC code and the complexity of decoding direct impact realization of the system. There are three kinds of decoding algorithms: hard-decision method, soft-decision methods and hybrid decoding. The hard-decision method was used in this design. Based on ...
The decoding algorithm is the key to LDPC code and the complexity of decoding direct impact realization of the system. There are three kinds of decoding algorithms: hard-decision method, soft-decision methods and hybrid decoding. The hard-decision method was used in this design. Based on ...