% Benchmark Input File for CS2.exe
%
% Comments are marked with a '%'
% read unit2_summary.htm for an explanation of the variables/parameters 
% specified in this file

x.name='IRIDIUM'

% x Design Vector
% ===============
% Contains variables that system designers can change
%
x.C=1          
% constellation type [options: 1=polar, 2=walker]
x.h=780
% orbital altitude [km]; valid range: 200-36000
x.elev=8.2
% minimum elevation angle [deg]; valid range: 0-45
x.diversity=1
% number of satellites visible from ground; valid range: 1-4
x.Pt=400
% satellite transmitter power [W]; valid range: 10-10000 
x.GT_dB=24.3
% satellite transmitter gain in an edge spot beam [dBi]; valid range: 1-60
x.ISL=1
% intersatellite links [options: 1=yes, 0=no]
x.MAS=1
% multiple access scheme [options: 1=MF-TDMA, 2=MF-CDMA]
x.Tsat=5
% satellite lifetime [years]; valid range 1-30


% c Constants Vector 
% ==================
% Parameters that are held fixed to compare architectures 
% It is recommended to leave these numbers unchanged
%
% Technical parameters
%
c.AKM=2                
% type of apogee kick motor/attitude control system
% [options: 0=no AKM, 1=spin-stablized, 2=3-axis-stablized]
c.AKMIsp=290           
% apogee kick motor specific impulse [sec], assume AKM uses solid propellant
c.StationIsp=230      
% station keeping Isp [sec], assuming using liquid monopropellant
c.MS='QPSK'
%  Modulation scheme
c.ROF=0.26             
%  Nyquist filter rolloff factor
c.ClusterSize=12
%  cluster size, does not matter for MF-CDMA systems
c.NUIF= 1.36
%  neighboring user interference factor
c.Rc= 3/4
% convolutional coding code rate
c.K=6
% convolutional coding constraint length
c.Risl=12.5
% ISL datarate [Mbps]
c.Ge_dB=0              
%  Gain of satellite phone [dBi]
c.Pe=0.57
%  satellite telephone power [W] 
%
% Business parameters
%
c.DR=15           
%  discount rate in percent [APR]
c.IDT=5
%  initial development time [years]
c.nogoprocreft=1
% Non-Government Project Cost Reduction Factor, valid range: 0.5-1


% r Requirements Vector
% =====================
% defines Quality of Service (QoS) of a single channel -
% driven mainly by customer needs and competition
%
r.BER=1e-3
% bit-error-rate
r.R=4.6
% data rate per channel in [kbps]
r.margin_dB=16
% link (fading) margin [dB]


% p Policy Vector
% ===============
% captures policy decisions not under control of system designers
%
p.Fms_uplink_lb=1621.35  
% terminal/satellite uplink frequency lower bound [MHz] - FCC/ITU assigned
p.Fms_uplink_ub=1626.50
% terminal/satellite uplink frequency upper bound [MHz] - FCC/ITU assigned
p.Fms_downlink_lb=1621.35
% terminal/satellite downlink frequency lower bound [MHz] - FCC/ITU assigned
p.Fms_downlink_ub=1626.50
% terminal/satellite downlink frequency upper bound [MHz] - FCC/ITU assigned
p.launchprohibit=[ ]
% string array of prohibited launch vehicles, use ISO country codes of
% launch vehicle manufacturers, e.g. 'us' = United States, 'fr' = France, 
% 'cn' = China, 'ru' = Russian Federation, 'jp' = Japan - imposed by US
% State Dept
p.nogateways=[ ]
% string array of countries where no gateways (ground stations) can be placed, 
% use ISO country codes, e.g. 'kp' = North Korea - result of political
% situation


