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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ming He Winoto, R. Xiang Gao Loeb, W. Signoff, D. Wai Lau Yuan Lu Donghong Cui Kun-Seok Lee Sai-Wang Tam Godoy, P. Yung Chen Sanghoon Joo Hu, C. Paramanandam, A.A. Xiaoyue Wang Chi-Hung Lin Li Lin |
| Copyright Year | 2014 |
| Description | Author affiliation: Marvell, Santa Clara, CA, USA (Ming He; Winoto, R.; Xiang Gao; Loeb, W.; Signoff, D.; Wai Lau; Yuan Lu; Donghong Cui; Kun-Seok Lee; Sai-Wang Tam; Godoy, P.; Yung Chen; Sanghoon Joo; Hu, C.; Paramanandam, A.A.; Xiaoyue Wang; Chi-Hung Lin; Li Lin) |
| Abstract | The steep growth of digital-content consumption and increasing reliance on wireless networks has resulted in emerging standards such as IEEE 802.11ac. By employing spatial diversity, Multi-user MIMO and high-density modulation (up to 256-QAM), 802.11ac MIMO radios can provide significantly increased throughput, link robustness, and range while maintaining backward-compatibilities with existing 802.11a/n WLAN [1]. However, wide signal bandwidth and high-density modulation lead to significant challenges in all aspects of RF transceiver design, compared to previous WLAN standards. This paper introduces a fully integrated 3-stream MIMO WLAN SoC that integrates all of the functions of an 802.11a/b/g/n/ac WLAN with a record over-the-air TCP/IP throughput of 1.1Gb/s. The 40nm CMOS SoC integrates dual-band (2.4GHz and 5GHz) RF transceivers, data converters, digital physical layer, media access controller, and a PCI Express Gen-2 interface. The RF transceiver employs an all-digital fractional-N PLL with a record Figure-of-Merit (FoM) of -244dB, a wideband low-impedance bias circuit that minimizes pre-PA driver memory effect for 80MHz signal bandwidth, a dual-band receiver with 3dB/4.3dB NF, and a $5^{th}-order$ Chebyshev low-pass filter with $constant-G_{m}$ bias and pre-distorted filter coefficients to support up to 80MHz signal bandwidth. |
| Starting Page | 350 |
| Ending Page | 351 |
| File Size | 1757535 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781479909186 |
| ISSN | 01936530 |
| e-ISBN | 9781479909209 |
| DOI | 10.1109/ISSCC.2014.6757465 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-02-09 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Digital systems Content management Wireless networks Wireless LAN OFDM Bandwidth MIMO Filters |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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