from
Bluetooth Full Duplex Voice and Data Transmission
by Stuart McGarrity
Simulink® and Stateflow® model of a full duplex Bluetooth® communication link.
|
| bluetooth_init.m |
% Initialize variables for Bluetooth Model
% Copyright 2002-2009 The MathWorks, Inc
% Input wave sample rate must be 8kHz
Input_Fs=8000;
load code_data;
% Coefficients for speech interpolation
[y,interp_coeffs]=interp(ones(1,10),8); clear y;
Packet_Types={'NULL';'POLL';'FHS';'DM1';...
'DH1';'HV1';'HV2';'HV3';'DV';'AUX1';...
'DM3';'DH3';'SCORT';'undefined';...
'DM5';'DH5'};
% 1,0,1,0, sequence
One_Zero_Payload=zeros(240,1);
One_Zero_Payload(1:2:240)=1;
% Seeds
hop_seed=randseed(1);
awgn_channel_seed=randseed(2);
awgn_802_seed=randseed(3);
rate_802_seed=randseed(4);
data_seed=randseed(5);
% Hop frequency if fixed
fixed_hop_freq=20;
%Misc
Num_Payload_Bits=80;
% Initial noise variance
%var=0;
EsNo=18;
|
|
Contact us at files@mathworks.com