參數資料
型號: DSP56600
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: Implementing Viterbi Decoders Using the VSL Instruction on DSP Families
中文描述: 維特比解碼器實現上使用DSP的家庭教學的VSL
文件頁數: 5/108頁
文件大?。?/td> 726K
代理商: DSP56600
Viterbi Decoder Implementation
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LIST OF FIGURES
Figure 2-1
Example Rate 1/2 Convolutional Encoder. . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2-2
Single State of Prototype Encoder Tree Diagram . . . . . . . . . . . . . . . 2-5
Figure 2-3
First Five Levels of the Encoder State Tree . . . . . . . . . . . . . . . . . . . 2-6
Figure 2-4
Using Multiple Input Paths to Collapse the State Tree . . . . . . . . . . . 2-8
Figure 2-5
Using Intermediate States to Eliminate Partial Paths . . . . . . . . . . . . 2-9
Figure 2-6
Trellis Structure for Viterbi Decoding. . . . . . . . . . . . . . . . . . . . . . . . 2-10
Figure 2-7
Example Viterbi Butterfly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Figure 2-8
Encoder Tap Symmetry to Reduce Calculations. . . . . . . . . . . . . . . 2-13
Figure 2-9
Applying an Offset to Obtain Odd Symmetry in the Branch Metrics 2-14
Figure 3-1
Stored B0 Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Figure 4-1
Polynomial (1,1+D) Trellis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
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