基于simulink的cofdm系统仿真及编码调制分析课程设计(编辑修改稿)

基于simulink的cofdm系统仿真及编码调制分析课程设计(编辑修改稿)内容摘要：

put type: Matrix Index mode: Onebased Rows: [16:64,1:15] Twiddle factor putation: Table lookup Input type: Matrix Index mode: Onebased Rows: [39:64,1:64] Training Insertion 内部结构图 Select: Columns Indices to output: {1,2} Number of input: 2 广西大学课程设计 —— 基于 simulink 的 COFDM 系统仿真 8 Output signal: Framebased P/ S 内部结构图 Initial conditions: 0 Output: Real and image Maximum Doppler shift: 50 Sample time: 8e5 / 180 Delay vector: [0 3e6] Gain vector: [0 8] Initial seed: 936497248 Initial seed: 32965 Mode: Signal to noise ratio ( Es / No ) Es / No : 28 Input signal power: 30 / ( * 11 / 15 * ) * Symbol period: 80e6 S/ P 内部结构图 广西大学课程设计 —— 基于 simulink 的 COFDM 系统仿真 9 Output buffer size: 180 Output: Real and image Training Separation 内部结构图 Indices to output: {91:180,1:90} Number of input: 2 OFDM Demodulator 内部结构图 Input type: Matrix Index mode: Onebased Rows: [27:90] Twiddle factor putation: Table lookup Input type: Matrix Index mode: Onebased Rows: [50:64,1:16] Output signal: Framebased Select: Columns Indices to output: {1,2} 广西大学课程设计 —— 基于 simulink 的 COFDM 系统仿真 10 Channel Estimator 内部结构图 Step time: 16e5 / 2 Sample time: 16e5 / 2 Generator polynomial: [1 0 0 0 0 1 1] Initial states: [0 0 0 0 0 1] Sample time: 16e5 / 2 / 31 Sample per frame: 31 Mary number: 2 Function: reciprocal Output data type mode: Same as first input Round integer calculations toward: Floor Output signal: Framebased Number of input: 2 Output signal: Framebased Function: reciprocal Output data type mode: Same as first input Round integer calculations toward: Floor Output signal: Framebased 广西大学课程设计 —— 基于 simulink 的 COFDM 系统仿真 11 Channel Compensation 内部结构图 Input type: Matrix Index mode: Onebased Rows: [1:15,17:31] Number of input: 2 Output signal: Framebased Remove Zero 内部结构图 Input type: Matrix Index mode: Onebased Rows: [1:15,17:31] QPSK Demapping 内部结构图 Gain: Input type: Bit Constellation ordering: Gray Phase offset: pi / 4 Function: round N: 15 K:11 广西大学课程设计 —— 基于 simulink 的 COFDM 系统仿真 12 SER Calculation 内部结构图 Input type: Bit Constellation ordering: Gray Phase offset: pi / 4 Receive delay: 22 – before RS encoder 30 – after RS encoder Buffer size: 90 Buffer overlap: 0 Window type: Hann FFT length: 1024 Number of spectral averages: 16 Frequency range: [ Fs / 2 … Fs / 2] Samples per symbol: 1 Point displayed: 100。