Research Article
Channel Estimation for Broadband Millimeter Wave MIMO Systems Based on High-Order PARALIND Model
Algorithm 1
PARALIND decomposition algorithm.
Input:, , ; | Step 1: Solve the optimization problem (21) to obtain , given , and ; | Step 2: Solve the optimization problem (24) to obtain , given , and ; | Step 3: Solve the optimization problem (27) to obtain , given , and ; | Step 4: Solve the optimization problem (30) to obtain , given , and ; | Step 5: Calculate the residual | | If , the iteration is terminated, where is a small number. Otherwise, and turn to step 1; | Output:, , and. |
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