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Channel estimation in OFDM communication systems |
Hamid R. Shafiee, Mohsen Pourkhaatoun, Kiran Kumar Malle Gowda, Siddharth Shetty, Esmael Heidari +2 more |
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Delta-sigma loop filters with input feedforward |
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Programmable receivers including a delta-sigma modulator |
Omid Rajaee, Saeed Pourbagheri, Mohammad Mehrjoo, Mahdi Bagheri, Edwin Chiem +1 more |
2020-08-25 |
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Digital compensation of IQ coupling in communication receivers |
Hamid R. Shafiee, Mohsen Pourkhaatoun, Kiran Kumar Malle Gowda, Siddharth Shetty, Esmael Heidari +2 more |
2018-11-06 |
| 8179167 |
Wide bandwidth fast hopping frequency synthesizer circuits and methods |
Mahdi Bagheri, Ali Karimi-Sanjaaani, Edris Rostami, Masoud Djafari, Mohammad E. Heidari |
2012-05-15 |
| 8169266 |
Mixer circuits and methods |
Edris Rostami, Masoud Djafari, Abbas Komijani |
2012-05-01 |
| 7941475 |
Programmable filter circuits and methods |
Ahmad Mirzaei |
2011-05-10 |
| 7924802 |
Wireless communication systems and methods |
Alireza Tarighat-Mehrabani, Alireza Mehrnia, Mahmoud Darvishzadeh |
2011-04-12 |
| 7764103 |
Phase error cancellation for differential signals |
Mahdi Bagheri, Kaveh Moazzami, Filipp A. Baron, Mohammad E. Heidari |
2010-07-27 |
| 7633341 |
Wideband circuits and methods |
Mahdi Bagheri, Ahmad Mirzaei, Abbas Komijani, Edris Rostami, Masoud Djafari |
2009-12-15 |
| 7522898 |
High frequency synthesizer circuits and methods |
Mohammad E. Heidari, Ahmad Mirzaei, Masoud Djafari, Mike Choi, Filipp A. Baron +1 more |
2009-04-21 |
| 7477885 |
DC offset cancellation circuits and methods |
Edris Rostami, Alireza Mehrnia, Masoud Djafari |
2009-01-13 |
| 7403048 |
Divider circuits and methods using in-phase and quadrature signals |
Mohammad E. Heidari, Ahmad Mirzaei, Masoud Djafari |
2008-07-22 |
| 7372335 |
Wideband circuits and methods |
Abbas Komijani, Edris Rostami, Masoud Djafari |
2008-05-13 |
| 7365617 |
Wideband attenuator circuits and methods |
Edris Rostami, Masoud Djafari |
2008-04-29 |
| 7304550 |
Wideband attenuator circuits and methods |
Edris Rostami, Masoud Djafari |
2007-12-04 |
| 7298183 |
High frequency divider circuits and methods |
Ahmad Mirzaei, Mohammad E. Heidari, Masoud Djafari |
2007-11-20 |
| 7289783 |
Mixer circuits and methods with matched bias currents |
Edris Rostami, Masoud Djafari, Abbas Komijani |
2007-10-30 |
| 7271668 |
Mixer circuits and methods with improved spectral purity |
Masoud Djafari |
2007-09-18 |
| 7263342 |
High frequency wireless receiver circuits and methods |
Masoud Djafari, Mahnaz Atri |
2007-08-28 |