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| Paper: | SAM-P6.9 |
| Session: | Space-Time Processing for Communications |
| Time: | Thursday, May 20, 09:30 - 11:30 |
| Presentation: |
Poster |
| Topic: |
Sensor Array and Multichannel Signal Processing: Array calibration methods |
| Title: |
A ROBUST ITERATIVE ALGORITHM FOR WIRELESS MIMO ARRAY AUTO-CALIBRATION |
| Authors: |
Nathaniel B. Shelton; Brigham Young University | | |
| | Brian Jeffs; Brigham Young University | | |
| Abstract: |
An algorithm is presented for estimating complex transmit and receive array calibration gains in a MIMO communications system. Calibration values are computed from a series of distinct channel transfer function matrix estimates over a time-varying channel. The new method, called RIMM, is an extension of a previous algorithm proposed by Friedlander and Weiss. Several significant weaknesses in the earlier algorithm are demonstrated, and robust solutions are presented. An auto-calibration experiment is presented using 2.43 GHz indoor channel probing data samples. |
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