| Presentation | 2005/2/25 Decision Directed Scheme for IQ Imbalance Compensation on OFCDM Direct Conversion Receiver Tadaaki YUBA, Yukitoshi SANADA, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Recently, it has been actively researched the direct conversion scheme for the cost miniaturization and the low power consumption of wireless receivers. In the direct conversion receiver, a π/2 phase shifter and a double balance mixer (DBM) for the radio frequency (RF) signal is required. However, it is difficult to implement the phase shifter with an accurate phase shift and the DBM with a flat response over the broad bandwidth. As a result, the balance between in-phase (I) and quadrature-phase (Q) of the demodulated signals may be lost. In the case of OFCDM modulations, this IQ imbalance causes intercarrier interference (ICI) in the demodulated signals. In this paper, the decision directed scheme for IQ imbalance compensation is proposed. The proposed scheme uses the orthogonality between the demodulated data. Therefore, only one orthogonal code is assigned to each user. As a result, a novel decision directed scheme for IQ imbalance compensation on OFCDM direct conversion receiver is proposed. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | OFCDM / Direct Conversion / IQ Imbalance |
| Paper # | WBS2004-135,A・P2004-316,RCS2004-403,MoMuC2004-186,MW2004-313 |
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| Conference Information | |
| Committee | MoMuC |
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| Conference Date | 2005/2/25(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Mobile Multimedia Communications(MoMuC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Decision Directed Scheme for IQ Imbalance Compensation on OFCDM Direct Conversion Receiver |
| Sub Title (in English) | |
| Keyword(1) | OFCDM |
| Keyword(2) | Direct Conversion |
| Keyword(3) | IQ Imbalance |
| 1st Author's Name | Tadaaki YUBA |
| 1st Author's Affiliation | Dept. of Electronics and Electrical Engineering, Keio University() |
| 2nd Author's Name | Yukitoshi SANADA |
| 2nd Author's Affiliation | Dept. of Electronics and Electrical Engineering, Keio University |
| Date | 2005/2/25 |
| Paper # | WBS2004-135,A・P2004-316,RCS2004-403,MoMuC2004-186,MW2004-313 |
| Volume (vol) | vol.104 |
| Number (no) | 683 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |