ed_sim_mui_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 for UOI

%Channel Model
CH_MODEL = 1; %which channel model to choose
CH_ATT_THLD_DB = 15; %rays with bigger attenuation are considered 0

%Noise
SNR_DB = 14; %Eb/N0

%Interference
NN = 2; %number of users, 1 is UOI
IF_PWR_DB = 0; %power levels of interferers
IF_CODE_IDS = 6; %interferer preamble code ids

% Data
LAMBDA = 200; %[300 10]; %queue arrival rate (packets per second) [src ifs]
BURST_LENGTH = 4; %pulses per burst
SYMBOL_LENGTH = 512; %chips per symbol
PACKET_LENGTH = 127*8; %max packet length, will be smaller if RSCODE = 1
RSCODE = 1; %whether to use coding or not
RAND_THS = 0; %whether to use random ths instead of 802.15.4a

%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 = 0.9999; %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 = 100; %number of the run determines init of rngs
PKTS_PER_RUN = 5; %number of UOI pkts per run
PLOT_DEBUG = 0; %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
LOG_FILE = 'out_test.txtlog'; %log of the sim

ed_sim_mui(TC,FS_CONT,L,CODE_ID,CH_MODEL,CH_ATT_THLD_DB,SNR_DB,NN,IF_PWR_DB,IF_CODE_IDS,LAMBDA,BURST_LENGTH,SYMBOL_LENGTH,PACKET_LENGTH,RSCODE,RAND_THS,RX_BW,T_INT,N_INT,G,THLD_PROBA,N,G_CHEST,RUN,PKTS_PER_RUN,PLOT_DEBUG,CLUSTER,OUT_FILE,LOG_FILE);
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