Research Article
Performance Analysis of Grouped Multilevel Space-Time Trellis Coding Technique Using Cognitive Radio in Different Deployment Models
Algorithm 4
Grouped multilevel trellis coding.
| | Step 1: input parameters | | | | | | , | | | Step 2: defining the simulation parameters | | | Define the constellation vector | | | Define the receiver vector | | | Step 3: initialize SNR and | | | SNR needed | | | EbNo needed | | | Step 4: calculate SNR and for grouped multilevel | | | Calculate the instantaneous channel power gain between transmit antenna i and all the receive antennas | | | Step 5: selection of antenna grouping with the best SNR value | | | For | | | | | | | | | | | | | | | For | | | | | | Step 6: apply multilevel trellis | | | End | | | //display constellation name and rate // | | | For | | | ; | | | Estimate block error rate | | | If | | | End | | | Else | | | | | | End | | | End | | | If | | | Display possibly too high starting SNR | | | End | | | ; | | | ; | | | End | | | Plot the | | | End |
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