Zobrazeno 1 - 10
of 78
pro vyhledávání: '"M. Rofougaran"'
Autor:
P. Lettieri, Yuyu Chang, Paul Chang, V. Rakhshani, Med Nariman, Ethan Chang, Ahmadreza Rofougaran, H. Vinh, A. Mirzaei, K. Juan, P. Kilcoyne, Calvin Chen, P. Suri, Zhimin Zhou, H. Tran, J. Chiu, Morteza Vadipour, M. Rofougaran, Amir Hadji-Abdolhamid, M. Koscal, Henrik T. Jensen, A. Yazdi, Behnam Mohammadi, B. Zhao, Alireza Zolfaghari, John Leete, Qiang Li, Joonsuk Kim, Ajat Hukkoo, L. Serrano, J. Shin, C. Guan, C. Wilcoxson, E. Raith, Hooman Darabi, J. Leung, Claude Hayek, Shr-Lung Chen
Publikováno v:
IEEE Journal of Solid-State Circuits. 46:870-882
A quad-band 2.5G SoC integrating all the RF, DSP, ARM, audio and other baseband processing functions into a single 65 nm CMOS die is described. The paper focuses on the radio portion mostly, and addresses the challenges of realizing a complete GSM/ED
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5054d427274372cd3acdf28b67885b57
https://doi.org/10.1109/jssc.2011.2109432
https://doi.org/10.1109/jssc.2011.2109432
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 57:1320-1329
This paper presents a novel active blocker rejecting RF (ABR-RF) front end for RF identification (RFID) applications. The proposed ABR-RF injects the blocker replica within the low-noise amplifier of the RFID receiver chain, through a feed-forward pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c9692a18f39b603d7354dbf2c9c2a8d
https://doi.org/10.1109/tmtt.2009.2017300
https://doi.org/10.1109/tmtt.2009.2017300
Autor:
Zhimin Zhou, J. Chiu, P. Lettieri, L. Serrano, Jesus Alfonso Castaneda, Henrik T. Jensen, Alireza Zolfaghari, R. Chen, Brima Ibrahim, Yuyu Chang, Behnam Mohammadi, A. Rofougaran, Paul Chang, Ali Medi, Hooman Darabi, P. Kilcoyne, Jared Welz, M. Nariman, Amir Hadji-Abdolhamid, S. Hasan, M. Rofougaran, Joonsuk Kim, B. Lee, John Leete, Kambiz Shoarinejad, B. Zhao, Iqbal Bhatti, Qiang Li, H. Tran
Publikováno v:
IEEE Communications Magazine. 46:146-152
This article reviews transmitter topologies for radio transceivers with emphasis on cellular applications. In the first section it discusses different architectures and the challenges in practical implementations. Then it presents a transmitter as pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a647ffde175cc6034b29d2fe8c3320ab
https://doi.org/10.1109/mcom.2008.4623720
https://doi.org/10.1109/mcom.2008.4623720
Autor:
Ali Afsahi, M. Rofougaran, K.W.-K. Yeung, W. Morton, Seema B. Anand, Stephen Wu, Marcellus Forbes, Tom W. Kwan, Jerry Lin, R. Zhu, Jay Pattin, Jacob Rael, Stephen Au, Ahmadreza Rofougaran, John Leete, Adedayo Ojo, K. Chien, Keith Carter, Sumant Ranganathan, Ning Li, Meng-An Pan, C.P. Lee, P. van Rooyen, Arya Behzad, Hung-Ming Chien, Long Tran, Jason A. Trachewsky, Luis Gutierrez, Mark Gonikberg, M. Nariman, M. Seth, Alireza Zolfaghari, Eric B. San Jose Blecker, Razieh Roufoogaran, Mark Chambers
Publikováno v:
IEEE Journal of Solid-State Circuits. 43:1101-1118
A low-power 802.11abg SoC which achieves the best reported sensitivity as well as lowest reported power consumption and utilizes an extensive array of auto calibrations is reported. This SoC utilizes a two-antenna array receiver to build a single wei
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7d2e5fc401a0bf1b5a803fa88ee7d92
https://doi.org/10.1109/jssc.2008.920338
https://doi.org/10.1109/jssc.2008.920338
Autor:
M. Rofougaran, Jesus Alfonso Castaneda, Aminghasem Safarian, F. De Flaviis, Ahmadreza Rofougaran, Amin Shameli
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 56:1267-1277
This paper presents an RF identification (RFID) system with a fully integrated transponder. To enable the on-chip integration of the tag's antenna, it is suggested to employ near-field coupling at high-frequency ranges, i.e., the UHF band. The RFID s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cfa95fd743acc10644b92563a4e461e
https://doi.org/10.1109/tmtt.2008.920182
https://doi.org/10.1109/tmtt.2008.920182
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 56:31-38
A two-point modulation technique is presented that improves the performance of nonlinear power amplifiers (PAs) in polar transmitters. In this scheme, the output amplitude modulation is performed by controlling the current of the PA. The current cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71f6cfbb79904a1948266a45ec62799b
https://doi.org/10.1109/tmtt.2007.912012
https://doi.org/10.1109/tmtt.2007.912012
A Fully Integrated MIMO Multiband Direct Conversion CMOS Transceiver for WLAN Applications (802.11n)
Autor:
C.P. Lee, J. Pattin, Hooman Darabi, M. Kappes, Jacob Rael, Benson Yeung, Keith Carter, Ahmadreza Rofougaran, Amit G. Bagchi, Rohit V. Gaikwad, Bojko Marholev, Arya Behzad, Qiang Li, Meng-An Pan, Stephen Wu, Jason A. Trachewsky, M. Rofougaran, J. Castanada, Hung-Ming Chien, T. Moorti, Alireza Zolfaghari, Stephen Au, John Leete, Dayo Ojo, Lijun Zhang, Joachim S. Hammerschmidt, Zhimin Zhou
Publikováno v:
ISSCC
802.11n is the latest offering from the IEEE standard committee tasked with enabling and enhancing WLAN systems. This standard utilizes several techniques to offer a much larger rate versus range than the legacy WLAN systems. A single-chip multiband
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e693da7b5970658509af1470ca352fc3
https://doi.org/10.1109/jssc.2007.908667
https://doi.org/10.1109/jssc.2007.908667
Autor:
M. Rofougaran, Sining Zhou, Zhimin Zhou, N. Liu, Paul Mudge, Rahul Magoon, Behzad Nourani, C. Guan, H. Eslami, K. Juan, J. Chiu, Amir Hadji-Abdolhamid, John Leete, A. Tarighat Mehrabani, A. Mirzaei, Bernd Pregardier, Masoud Kahrizi, Behnam Mohammadi, Behzad Saeidi, Dmitriy Rozenblit, Vipin Kumar Aggarwal, Nooshin Vakilian, Yuyu Chang, Med Nariman, Reza Rofougaran
Publikováno v:
2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
This work presents a cellular transceiver capable of transmitting two simultaneous channels with an aggregate bandwidth of up to 40 MHz, supporting a 100 Mbps uplink rate. The transmitter has 8 RF output ports covering the cellular transmit bands wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e75c808e7dec40302ab529fa6124bd9a
https://doi.org/10.1109/rfic.2015.7337729
https://doi.org/10.1109/rfic.2015.7337729
Autor:
F. Etemadi, Morteza Vadipour, J. Chiu, M. Rofougaran, Reza Rofougaran, Alireza Tarighat, P. Ye, Mohyee Mikhemar, Yuyu Chang, N. Liu, Behzad Nourani, Paul Mudge, Masoud Kahrizi, John Leete, Nooshin Vakilian, Med Nariman, C. Guan, K. Juan, Gerasimos Theodoratos, Rahul Magoon, Amir Hadji-Abdolhamid, Behzad Saeidi, Bernd Pregardier, B. Zhao, Zhimin Zhou
Publikováno v:
2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC).
This work presents a cellular receiver capable of receiving three simultaneous channels with an aggregate bandwidth of 60 MHz, enabling a 300 Mbps downlink rate. The receiver has 16 RF LNA ports covering the cellular bands within the 572–2700 MHz f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5ccbeacc9930b67e03ea1c738c4fe85
https://doi.org/10.1109/rfic.2015.7337725
https://doi.org/10.1109/rfic.2015.7337725
Publikováno v:
IEEE Microwave Magazine. 6:38-43
Next-generation wireless networks will support a wide range of data rates over several frequency bands and require adaptive and programmable system resources. Radio transceivers used in these wireless networks will incorporate self-calibration and fu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cb240cbedd2b4b5a1dae7643a5969dc
https://doi.org/10.1109/mmw.2005.1417993
https://doi.org/10.1109/mmw.2005.1417993