www.gusucode.com > LTE仿真Matlab源码 > LTE_common_gen_PBCH.m
function [PBCHmapping,UsedElements,NElements,NoData_indices] = LTE_common_gen_PBCH(Nrb,Nsc,Nsub,NIDcell,subframe_num,Ns,nTX) % reserves space for the PBCH % author: Stefan Schwarz, sschwarz@nt.tuwien.ac.at [RefSym,RefMapping,total_no_refsym,NoData_indices] = LTE_common_gen_Reference_Signal(Nrb, Nsub, nTX, NIDcell, subframe_num); if subframe_num ~= 1 PBCHmapping = zeros(size(NoData_indices)); NElements = 0; UsedElements = zeros(Nrb*2,1); else % if strcmp(CyclicPrefix,'normal') % nbits = 1920; % else % nbits = 1728; % end k = Nrb*Nsc/2-36; PBCHmapping = zeros(size(NoData_indices)); for i1 = 0:71 for i2 = 0:3 if ~NoData_indices(k+i1+1,i2+8) PBCHmapping(k+i1+1,i2+8) = 1; end end end UsedElements = zeros(Nrb*2,1); for i2 = 1:2 for i1 = 1:Nrb UsedElements(i1+(i2-1)*Nrb) = sum(sum(PBCHmapping((i1-1)*Nsc+1:i1*Nsc,(i2-1)*Ns+1:Ns*i2))); end end NElements = sum(sum(UsedElements)); end