waveconfig = nrDLCarrierConfig ();%的波形参数创建一个实例对象waveconfig。标签=“DL载体1”;%这个下行波形配置标签waveconfig。NCellID = 0;%细胞身份waveconfig。ChannelBandwidth = 40;%通道带宽(MHz)waveconfig。FrequencyRange =“FR1”;%’FR1’或‘FR2”waveconfig。NumSubframes = 10;% 1毫秒数子帧中生成的波形(1、2、4、8槽每1毫秒子帧,取决于SCS)waveconfig。窗口Percent = 0;%的比例窗口相对FFT长度waveconfig。SampleRate = [];% OFDM调制波形的采样率waveconfig。CarrierFrequency = 0;%在赫兹载波频率。这一属性被用来象征阶段%赔偿之前OFDM调制,而不是对上转换%定义一组SCS特定的运营商,使用的最大大小% 40 MHz NR通道。有关更多信息,请参见TS 38.101 - 1定义%带宽和guardband需求scscarriers = {nrSCSCarrierConfig (), nrSCSCarrierConfig ()};scscarriers {1}。SubcarrierSpacing = 15;scscarriers {1}。NSizeGrid= 216; scscarriers{1}.NStartGrid = 0; scscarriers{2}.SubcarrierSpacing = 30; scscarriers{2}.NSizeGrid = 106; scscarriers{2}.NStartGrid = 1;

%党卫军破裂配置ssburst = nrWavegenSSBurstConfig ();ssburst。使= 1;%启用党卫军破裂ssburst。权力= 0;%的力量在dB扩展ssburst。BlockPattern =“案例B”;% B(30千赫)副载波间距ssburst。TransmittedBlocks = [1 1 1 1];%位图显示块传输在5 ms half-frame破裂ssburst。时间= 20;%党卫军破裂设置周期性女士(5、10、20、40、80、160)ssburst。NCRBSSB = [];%频率偏移的党卫军破裂(CRB),对波形中心使用[]

%带宽部分配置bwp = {nrWavegenBWPConfig (), nrWavegenBWPConfig ()};bwp {1}。BandwidthPartID = 1;%带宽部分IDbwp {1}。标签=BWP @ 15 kHz的;%这个BWP标签bwp {1}。SubcarrierSpacing = 15;% BWP副载波间距bwp {1}。CyclicPrefix =“正常”;% BWP循环前缀15 kHzbwp {1}。NSizeBWP = 25;%的大小BWP伪随机位序列bwp {1}。NStartBWP = 12;% BWP位置,相对于A点(例如CRB)bwp {2}。BandwidthPartID = 2;%带宽部分IDbwp {2}。标签=BWP @ 30千赫的;%这个BWP标签bwp {2}。SubcarrierSpacing = 30;% BWP副载波间距bwp {2}。CyclicPrefix =“正常”;% BWP循环前缀30千赫bwp {2}。NSizeBWP = 50;%的大小BWP伪随机位序列bwp {2}。NStartBWP = 51;% BWP位置,相对于A点(例如CRB)

% CORESET和搜索空间配置coresets = {nrCORESETConfig ()};coresets {1}。CORESETID = 1;% CORESET IDcoresets {1}。时间= 3;% CORESET符号持续时间(1、2、3)coresets {1}。FrequencyResources = [1 1 0 1];CORESET %位图显示的6块复审委员会(RRC - frequencyDomainResources)coresets {1}。CCEREGMapping =“noninterleaved”;%映射:“交错”或“noninterleaved”coresets {1}。REGBundleSize = 3;% L(2,6)或(3、6)coresets {1}。InterleaverSize = 2;% R (2、3、6)coresets {1}。ShiftIndex = waveconfig.NCellID;%将NCellIDsearchspaces = {nrSearchSpaceConfig ()};searchspaces {1}。SearchSpaceID = 1;%搜索空间IDsearchspaces {1}。CORESETID = 1;% CORESET与此相关的搜索空间searchspaces {1}。SearchSpaceType =“问题”;%搜索空间类型,“问题”或“普通”searchspaces {1}。SlotPeriodAndOffset = (5,0);%分配槽,槽搜索空间模式的抵消searchspaces {1}。时间= 2;%的槽数块槽的模式searchspaces {1}。StartSymbolWithinSlot = 0;%的第一个槽中的每个CORESET监测机会的象征searchspaces {1}。NumCandidates = [8 8 4 2 0];%的候选人在每个基地(设置为0,如果不适合CORESET)

pdcch = {nrWavegenPDCCHConfig ()};pdcch {1}。使= 1;%启用PDCCH序列pdcch {1}。标签=“PDCCH @ 15 kHz”;%这个PDCCH序列标签pdcch {1}。BandwidthPartID = 1;% PDCCH传输带宽的一部分pdcch {1}。权力= 1.1;%的力量在dB扩展pdcch {1}。编码= 1;%启用DCI编码pdcch {1}。SearchSpaceID = 1;%的搜索空间pdcch {1}。SlotAllocation = 0;%分配槽指数PDCCH序列pdcch {1}。时间= 5;%分配时间槽pdcch {1}。AggregationLevel = 8;%聚合级别(1、2、4、8、16 cc)pdcch {1}。所有ocatedCandidate = 1;基于% PDCCH候选人搜索空间(1)pdcch {1}。RNTI = 0;% RNTIpdcch {1}。DMRSScramblingID = 1;% PDCCH和DM-RS。忙于国家免疫日pdcch {1}。DMRSPower = 0;%额外DM-RS权力提高分贝pdcch {1}。DataBlockSize = 20;% DCI载荷大小pdcch {1}。数据源=“PN9”;% DCI数据源

pdsch = {nrWavegenPDSCHConfig ()};pdsch {1}。使= 1;%启用PDSCH序列pdsch {1}。标签=“PDSCH @ 15 kHz”;%这个PDSCH序列标签pdsch {1}。BandwidthPartID = 1;% PDSCH传输带宽的一部分pdsch {1}。权力= 0;%的力量在dB扩展pdsch {1}。编码= 1;%启用DL-SCH传输信道编码pdsch {1}。数据源=“PN9”;%通道数据源pdsch {1}。TargetCodeRate = 0.4785;%编码速率用于计算传输块大小pdsch {1}。XOverhead = 0;%的速度匹配开销pdsch {1}。调制=“正交相移编码”;%的正交相移编码”、“16 qam’,‘64 qam’,‘256 qam’pdsch {1}。NumLayers = 2;%的PDSCH层pdsch {1}。RVSequence = [0, 2、3、1];%房车序列应用周期性PDSCH分配序列pdsch {1}。VRBToPRBInterleaving = 0;%禁用交叉资源映射pdsch {1}。VRBBundleSize = 2;% vrb-ToPRB-Interleaver参数

pdsch {1}。SymbolAllocation = (2、9);%符号和长度pdsch {1}。SlotAllocation = 0:9;%分配槽指数PDSCH序列pdsch {1}。时间= 15;%分配时间槽pdsch {1}。PRBSet = (0:5, 20);%复审委员会分配pdsch {1}。RNTI = 0;% RNTIpdsch {1}。NID = 1;%争夺数据部分

pdsch {1}。ReservedCORESET = 1;%的速度匹配模式,由CORESET idpdsch {1} .ReservedPRB {1}。PRBSet = [];%的速度匹配模式,定义为组复审委员会(RRC“位图”)pdsch {1} .ReservedPRB {1}。SymbolSet = [];pdsch {1} .ReservedPRB {1}。时间= [];

%天线端口和DM-RS配置(TS 38.211节7.4.1.1)pdsch {1}。MappingType =“一个”;% PDSCH映射类型(“A”(slot-wise),“B”(非slot-wise))pdsch {1}。DMRSPower = 0;%额外权力提高分贝pdsch {1} .DMRS。DMRSConfigurationType = 2;% DM-RS配置类型(1、2)pdsch {1} .DMRS。NumCDMGroupsWithoutData = 1;%的DM-RS CDM组没有数据。的值可以是一个集合{1,2,3}pdsch {1} .DMRS。DMRSPortSet = [];% DM-RS天线使用的端口([]给出了端口号0:NumLayers-1)pdsch {1} .DMRS。DMRSTypeAPosition = 2;%映射类型。第一个DM-RS符号位置(2、3)pdsch {1} .DMRS。DMRSLength = 1;%的前置DM-RS符号(1(单符号),2(双符号))pdsch {1} .DMRS。DMRSAdditionalPosition = 0;%额外DM-RS标志位置(最大范围0…3)pdsch {1} .DMRS。NIDNSCID = 1;%匆忙身份(0。65535)pdsch {1} .DMRS。NSCID = 0;%地初始化(0,1)

7.4.1.2 % PT-RS配置(TS 38.211部分)pdsch {1}。EnablePTRS = 0;%启用或禁用PT-RS(1或0)pdsch {1}。PTRSPower = 0;%额外PT-RS权力提高分贝pdsch {1} .PTRS。TimeDensity = 1;%的时间密度(L_PT-RS) PT-RS (1、2、4)pdsch {1} .PTRS。FrequencyDensity = 2;%的频率密度(K_PT-RS) PT-RS (2、4)pdsch {1} .PTRS。REOffset =“00”;% PT-RS资源元素抵消(“00”,“01”,“10”,“11”)pdsch {1} .PTRS。PTRSPortSet = 0;% PT-RS天线端口必须DM-RS港口的一个子集

pdsch {2} = pdsch {1};pdsch {2}。使= 1;pdsch {2}。标签=“PDSCH @ 30千赫”;pdsch {2}。BandwidthPartID = 2;% BWP PDSCH映射到2日pdsch {2}。SymbolAllocation = [0, 12];pdsch {2}。SlotAllocation = [2:4, 6:20];pdsch {2}。PRBSet = [25:30, 35:38];相对于BWP %分配,

csir = {nrWavegenCSIRSConfig ()};csir {1}。使= 0;csir {1}。标签=“CSI-RS @ 15 kHz”;csir {1}。BandwidthPartID = 1;csir {1}。权力= 3;%的力量在dB扩展

csir {1}。CSIRSType = {“nzp”,“zp”};csir {1}。RowNumber = [3 - 5];csir {1}。密度= {“一个”,“一个”};csir {1}。SubcarrierLocations = {6 4};csir {1}。NumRB = 25;csir {1}。RBOffset = 12;csir {1}。SymbolLocations ={13日9};csir {1}。CSIRSPeriod = {[5 0],[5 0]}; csirs{1}.NID = 5;

csir {2} = nrWavegenCSIRSConfig ();csir {2}。使= 0;csir {2}。标签=“CSI-RS @ 30千赫”;csir {2}。BandwidthPartID = 2;csir {2}。权力= 3;%的力量在dB扩展csir {2}。CSIRSType = {“nzp”,“nzp”};csir {2}。RowNumber = [1];csir {2}。密度= {“三”,“三”};csir {2}。SubcarrierLocations = {0};csir {2}。NumRB = 50;csir {2}。RBOffset = 50;csir {2}。SymbolLocations = {6、10};csir {2}。CSIRSPeriod = {[10,1],[10,1]}; csirs{2}.NID = 0;

waveconfig。SSBurst = SSBurst;waveconfig。SCSCarriers = SCSCarriers;waveconfig。BandwidthParts = bwp;waveconfig。CORESET = coresets;waveconfig。SearchSpaces = SearchSpaces; waveconfig.PDCCH = pdcch; waveconfig.PDSCH = pdsch; waveconfig.CSIRS = csirs;%生成复杂的基带波形(波形信息]= nrWaveformGenerator (waveconfig);

图;情节(abs(波形));标题(大小的5 g下行基带波形的);包含(“样本指数”);ylabel (“级”);

samplerate = info.ResourceGrids (1) .Info.SampleRate;nfft = info.ResourceGrids (1) .Info.Nfft;图;光谱图(波形(:1)的(nfft, 1), 0, nfft,“中心”samplerate,“桠溪”,“MinThreshold”,-130);标题(5克下行基带波形的光谱图);

disp (“调制与BWP 1:相关信息”)disp (info.ResourceGrids info) (1)