Research Article
Online Calibration for LTE-Based Antenna Array System
Table 2
Phase error according to SNR.
| | Item | SNR | | 10 dB | 15 dB | 20 dB | 25 dB | 30 dB |
| | Proposed calibration method | Downlink | 3.729° | 3.350° | 3.207° | 3.083° | 2.202° | | Uplink | 4.395° | 4.031° | 3.366° | 3.067° | 2.810° | | Calibration method in [11] | Downlink | 3.731° | 3.366° | 3.211° | 3.090° | 2.209° | | Uplink | 4.397° | 4.033° | 3.370° | 3.077° | 2.900° |
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