任意发送天线,任意接收天线的stbc-mimo-ofdm的matlab程序(Arbitrary transmit antenna, arbitrary receive antenna stbc-mimo-ofdm matlab program).doc

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2018-07-08 发布于湖北
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任意发送天线,任意接收天线的stbc-mimo-ofdm的matlab程序(Arbitrary transmit antenna, arbitrary receive antenna stbc-mimo-ofdm matlab program).doc

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任意发送天线,任意接收天线的stbc-mimo-ofdm的matlab程序(Arbitrary transmit antenna, arbitrary receive antenna stbc-mimo-ofdm matlab program)

任意发送天线,任意接收天线的stbc-mimo-ofdm的matlab程序（Arbitrary transmit antenna, arbitrary receive antenna stbc-mimo-ofdm matlab program）% STBC - mimo - ofdm.mClear All;I = sqrt (- 1);IFFT _ Bin _ length = 512% 傅立叶变换抽样点数目;Carrier _ count = 100% 子载波数目;_ symbols per _ Carrier = 66% 符号数 / 载波;_ CP length = 10;% 循环前缀长度_ addprefix length = IFFT _ Bin _ length + CP _ length;_ PSK M = 4;_ _ bits per symbol = LOG2 (m _ PSK / 符号位数%);% 1 - 2 = [2; 1 + J + j];% Alamouti Scheme [X1 X2 - X1; x2 * *] 二天线发送矩阵Or [- 1 - 2 = j 1 + 2 + 3; 3 + J J 0; 0 + 1 0 - 3 j; J + J + 2% []; for X1 - X2 - X1 x2 X3; * * * * x3 X1 0; 0; 0 - X3 X2 三天线发送矩阵] * *Co _ time = size (o (1));NT = size (OR, 2);% 发射天线数目Nr = 2% 接收天线数目;Num _ x = 1;For CC _ RO = 1: CO _ timeFor CC _ co = 1: NTNum _ x = max (ABS (_ x Num, real (OR (CC _ ro, CC _ CO))));EndEndCo _ x = zeros (_ x Num, 1);For _ RO = 1: CO _ time% 计算delta, Epsilon eta and conj matricesFor _ co = 1: NT% 用于确定矩阵 or 中元素的位置, 符号以及共轭情况If ABS (((real or _ ro, with _ CO)) ~ = 0Delta (with _ ro, ABS (((real or _ ro, with _ co sign (=)))) ((real or _ ro, with _ CO));Epsilon (_ ro, ABS (((real or _ ro, with _ CO)))) = _ co;Co _ (ABS (X ((real or _ ro, with _ CO)), X (1) = ABS (CO _ real (OR (_ ro, with _ CO) + 1), 1);ETA (ABS (((real or _ ro, with _ CO), co _ (ABS) x (((real or _ ro, with _ CO)), 1) = _ ro;The _ MT (with _ ro, ABS (((real or _ ro, with _ CO) (OR = IMAG (_ ro, with _ CO);EndEndEndETA = eta. ;ETA = sort (ETA);ETA = eta. ;Carriers = (1: Carrier _ count (floor) + (IFFT _ Bin _ length / 4) - floor (Carrier _ count / 2));% 坐标: (1 to 100) + 14 = (15: 114)Conjugate _ carriers = length IFFT _ Bin _ carriers + 2; 256 (15% 坐标:: 114) + 1 = 257 - (15: 114) = (242: 143)TX _ Training _ symbols = training _ symbol (NT, Carrier _ count);Baseband _ out _ length = Carrier _ Count * symbols _ per _ Carrier;_ SNR = 3% 最小信噪比 min;_ Max SNR = 15% 最大信噪比;Graph _ INF _ BIT = zeros (SNR SNR _ _ Max - min + 1.2% 绘图信息存储矩阵, NR);Graph _ INF _ SYM = zeros (SNR SNR _ _ Max - min + 1.2, NR);_ SN