IQ Calibration Techniques for CMOS Radio Transceivers
| Autor: | Sao-Jie Chen, Yong-Hsiang Hsieh |
|---|---|
| EAN: | 9781402050831 |
| eBook Format: | |
| Sprache: | Englisch |
| Produktart: | eBook |
| Veröffentlichungsdatum: | 05.11.2006 |
| Kategorie: | |
| Schlagworte: | Bluetooth CMOS DVB Filter Gain mismatch I/Q Calibration I/Q mismatches IEEE 80 Modulation Phase mismatch RF Transceiver Standards Transceiver communication |
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The 802.11n wireless standard uses 64-state quadrature amplitude modulation (64-QAM) to achieve higher spectral efficiency. Consequently, the transmitter and receiver require a higher signal to noise ratio with the same level of error rate performance. This book offers a fully-analog compensation technique without baseband circuitry to control the calibration process. Using an 802.11g transceiver design as an example, it describes in detail an auto-calibration mechanism for I/Q gains and phases imbalance.
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