Research Article
Enhanced Secure SWIPT in Heterogeneous Network via Intelligent Reflecting Surface
Table 1
Computational complexity analysis for the proposed algorithm.
| Algorithm complexity | Variables | PSD constraints | SOC constraints | Slack constraints | Design variables (size, number) | Slack variables (size, number) |
| Step 2 | | | | | | | | Step 3 | | | | | | | |
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