%?DEscriptION
%???compute?the?optimal?V2I?and?V2V?power?allocations?given?one?V2I?link
%???and?multiple?V2V?links?sharing?spectrum
%
%?INPUT
%???alpha_m?numK?x?1?interfering?channel?from?V2I?to?numK?V2Vs
%???alpha_kk?numK?x?numK?mutual?V2V?interference?channels
%???alpha_mB?scalar?V2I?channel
%???alpha_kB?numK?x?1?interfering?channel?from?numK?V2Vs?to?V2I?link
%???gamma0?scalar?V2V?slow?SINR?threshold
%???sig2?noise?power
%???Pd_max?V2V?max?power
%???Pc_max?V2I?max?power
%
%?OUTPUT
%???rate?maximum?rate?achieved?with?the?optimal?power?allocation?-1?if
%???the?problem?is?infeasible.?
%???Pc_opt?optimal?power?of?V2I
%???Pd_opt?numK?x?1?optimal?power?of?V2Vs
%
%?Le?Liang?Georgia?Tech?Aug.?30?2017



function?[rate?Pc_opt?Pd_opt]?=?calOptPower（alpha_mk?alpha_kk?alpha_mB?alpha_kB?gamma0?sig2?Pd_max?Pc_max）

numK?=?length（alpha_mk）;?%?#?of?mutually?interfering?V2Vs

phi?=?alpha_kk‘;
phi?=?-gamma0*phi;
for?ii?=?1:numK
????phi（iiii）?=?alpha_kk（iiii）;
end

phi_inv?=?inv（phi）;
Pc_cand?=?（Pd_max-gamma0*sig2*sum（phi_inv2））./（gamma0*phi_inv*alpha_mk）;

Pc_opt?=?min（[Pc_max;?Pc_cand]）;
if?Pc_opt?<=?0?%?infeasible
????rate?=?-1;
????Pd_opt?=?0;
????return;
end
Pd_opt?=?phi_inv*（gamma0*（Pc_opt*alpha_mk?+?sig2））;
if?sum（Pd_opt<=0）?>=?1?%?infeasible
????rate?=?-1;
????return;
end

signal?=?Pc_opt*alpha_mB;
interf?=?Pd_opt‘*alpha_kB;%?interference
rate?=?log2（1?+?signal/（sig2?+?interf））;
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1480??2018-10-17?21:34??calOptPower.m
?????文件????????1521??2018-10-17?21:33??genClusterMaxCut.m
?????文件????????2018??2018-10-17?21:33??genClusterSun.m
?????文件????????1438??2018-10-17?21:33??genPL.m
?????文件????????2442??2018-10-17?21:32??genVehlinks.m
?????文件????????1138??2018-10-17?21:31??getSlowSINR.m
?????文件????????8899??2018-10-17?21:30??mainCDFvsRateSINR_baseline.m
?????文件????????9316??2018-10-18?17:59??mainCDFvsRateSINR_greedy.m
?????文件????????9594??2018-10-17?21:29??mainRateVsSpeed_randomized.m
?????文件????????7169??2018-10-17?21:28??munkres.m
?????文件????????7285??2018-10-17?21:28??solution3DMatching.m
?????文件????????1751??2018-10-17?21:27??solveMatching.m
?????文件????????2457??2018-10-17?21:26??solveMatching3D.m