ed_sim_wrapper.m

一个UWB仿真程序包

%Wrapper file for sim, define sim params here and launch this script to start sim.
%please refere to this file for a description of the possible params.


%clean up
close all
clear all

tic

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Simulation parameters                                                %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%%%%%%%%%%%%%%%%%%%%%%%% define parameters %%%%%%%%%%%%%%%%%%%%%%%%

%Timing
TC = 2e-9; %chip duration in s
FS_CONT = 10e9; %sampling frequency in Hz to get cont time signal

%Preamble
L = 64; %spreading factor
CODE_ID = 5; %which one of the 802.15.4a ternary codes to use

%Channel Model
CH_MODEL = 1; %which channel model to choose
CH_ATT_THLD_DB = 15; %rays with bigger attenuation are considered 0
%CH_RNG_SEED = 100*RUN+sim_run;

%Noise
SNR_DB = 13; %Eb/N0

% Data
BURST_LENGTH = 4; %
SYMBOL_LENGTH = 512; %
RSCODE  = 1;
if RSCODE == 1
  DATA_LENGTH = 870
  fullblock = floor(DATA_LENGTH/330);
  PACKET_LENGTH = fullblock*378 + (DATA_LENGTH-fullblock*330) + 48;
else
  DATA_LENGTH = 127*8;
  PACKET_LENGTH = DATA_LENGTH;
end

%Receiver
RX_BW = 2e9; %BW of the receiver determines Nyquist = 2*RX_BW
T_INT = 1e-9; %integration length
N_INT = 8; %how many blocks of length T_INT to sum
G = 4; %how many repetitions of code in correlation
THLD_PROBA = 0.9; %threshold for correlation peaks
N = 6; %number of consecutive corr peaks needed
G_CHEST = 8; %number of len 31 symbols we accumulate for channel mask
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%simulation specific values, runs, instances allowing parallelization
RUN = 9; %number of the run determines init of rngs
SIMS_PER_RUN = 1; %number of sims per run (!!! max 100 !!!)
PLOT_FLAG = 1; %flag indicating whether to show plots
%in/out files

CLUSTER = 0; %indicates whether we are running on cluster or not
OUT_FILE = 'out_test.txt'; %output text file

ed_sim(TC,BURST_LENGTH,SYMBOL_LENGTH,DATA_LENGTH,RSCODE,PACKET_LENGTH,FS_CONT,L,CODE_ID,CH_MODEL,CH_ATT_THLD_DB,SNR_DB,RX_BW,T_INT,N_INT,G,THLD_PROBA,N,G_CHEST,RUN,SIMS_PER_RUN,PLOT_FLAG,CLUSTER,OUT_FILE);

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