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 |
|