Research Article
Textile UWB Antenna with Metamaterial for Healthcare Monitoring
Table 1
CSRR optimization outcomes’ performance table.
| S. no | Modification | Return loss | Operating frequency (GHz) |
| 1 | Without CSRR | −27 dB | 3.21 | 2 | Single inner ring | −33 dB | 5.12 | 3 | Single outer ring | −35 dB | 6.21 | 4 | CSRR left split | −42 dB | 6.67 | 5 | CSRR right spilt | −44 dB | 7.78 | 6 | With CSRR | −45 dB | 9.78 |
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