Digital Compensation of Tx/Rx I/Q Imbalance in TD-SCDMA Systems
TD-SCDMA (Time Division- Synchronous CDMA) systems show performance degradation due to I/Q imbalance resulting from direct-conversion transmitters and receivers. In overall system analysis, it is important to consider both transmitter and receiver I/Q imbalances to account for low cost base stations...
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| creator | Narasimhan, B. Al-Dhahir, N. Kocic, M. Aiguo Yan Zvonar, Z. |
| description | TD-SCDMA (Time Division- Synchronous CDMA) systems show performance degradation due to I/Q imbalance resulting from direct-conversion transmitters and receivers. In overall system analysis, it is important to consider both transmitter and receiver I/Q imbalances to account for low cost base stations (BS's) such as femtocells. Two approaches are considered in this paper. The first one is a purely time-domain approach based on widely linear minimum mean square error estimation (WL-MMSE). The second one is a frequency-domain approach with reduced computational complexity. Simulation studies are performed and comparison results presented. |
| doi_str_mv | 10.1109/GLOCOM.2011.6134533 |
| format | Conference Proceeding |
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| issn | 1930-529X 2576-764X |
| language | eng |
| recordid | cdi_ieee_primary_6134533 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Channel estimation Complexity theory Frequency domain analysis Joints OFDM Time division synchronous code division multiple access Vectors |
| title | Digital Compensation of Tx/Rx I/Q Imbalance in TD-SCDMA Systems |
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