The effect of DPD bandwidth limitation on EVM for a 28 nm WLAN 802.11ac transmitter

机译：DPD带宽限制对28 nm WLAN 802.11ac发射机的EVM的影响

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Digital predistortion (DPD) performance for an IEEE 802.11ac WLAN transmitter in 28 nm CMOS, using 20 and 80 MHz bandwidth with 256QAM modulation, is analyzed under different bandwidth limitations. Due to band-limited conditions in the transmitter chain, the DPD linearization performance may be reduced. For a minimum transmitter error vector magnitude (EVM) requirement of -32 dB (2.5%) for 256QAM modulation, a reduction in the maximum linear output power of 1.6 dB due to bandwidth limitations in the transmitter chain is estimated using simulations and measurement results.

机译：在不同带宽限制下，分析了使用20和80 MHz带宽以及256QAM调制的28 nm CMOS IEEE 802.11ac WLAN发射机的数字预失真（DPD）性能。由于发射机链中的带宽限制条件，DPD线性化性能可能会降低。对于256QAM调制，对于-32 dB（2.5％）的最小发射机误差矢量幅度（EVM）要求，由于发射机链中的带宽限制，使用仿真和测量结果可以估算出最大线性输出功率降低了1.6 dB。

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来源
《2017 IEEE Nordic Circuits and Systems Conference: NORCHIP and International Symposium of System-on-Chip》|2017年|1-4|共4页
会议地点 Linkoping(SE)
作者
Oscar Morales Chacón; Ted Johansson; Thomas Flink;
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作者单位

Department of Electrical Engineering, Linköping University, Linköping, Sweden;

Department of Electrical Engineering, Linköping University, Linköping, Sweden;

Catena Wireless Electronics AB Kista, Sweden;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Bandwidth; Transmitters; Power generation; Baseband; Power amplifiers; OFDM; Distortion;

机译：带宽;发射机;发电;基带;功率放大器; OFDM;失真;;

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1. Microchip's 5 GHz RF Power Amplifier for New IEEE 802.11ac Wi-Fi Standard Delivers Low EVM at High Power for WLAN Applications [J] . Wireless Telecommunications . 2012,第10期

机译：Microchip用于新IEEE 802.11ac Wi-Fi标准的5 GHz射频功率放大器在WLAN应用中以高功率提供了低EVM
2. WiderCast: Enabling Wider Bandwidth for Wireless Multicast Over IEEE 802.11ac WLANs [J] . Park Young Deok, Jeong Seung-Hyun, Jeon Seokseong, IEEE transactions on wireless communications . 2020,第6期

机译：越宽：在IEEE 802.11ac WLAN上启用Wireless Multicast的更宽带宽
3. WiderCast: Enabling Wider Bandwidth for Wireless Multicast Over IEEE 802.11ac WLANs [J] . Nature reviews Drug discovery . 2020,第6期

机译：浏览处：在IEEE 802.11ac WLAN上实现Wireless Multicast的更广泛的带宽
4. The effect of DPD bandwidth limitation on EVM for a 28 nm WLAN 802.11ac transmitter [C] . Oscar Morales Chacón, Ted Johansson, Thomas Flink IEEE Nordic Circuits and Systems Conference . 2017

机译：DPD带宽限制对28 nm WLAN 802.11ac发射器EVM的影响
5. A frequency doubler and frequency divider network for quadrature LO phase generation in a 5--6 GHz WLAN transmitter. [D] . Chung, Aichin. 2003

机译：一个分频器和分频器网络，用于在5--6 GHz WLAN发射机中生成正交LO相位。
6. Bandwidth Cost Minimization via User Association for Enterprise WLANs [O] . Xili Wan, Xinjie Guan, Wentian Zhao, 2018

机译：通过用户协会的企业WLAN带宽成本最小化
7. Impact of security on bandwidth and latency in IEEE 802.11ac client-to-server WLAN [O] . Kolahi, Samad, Almatrook, A. A 2017

机译：安全性对IEEE 802.11ac客户端到服务器WLAN中的带宽和延迟的影响

The effect of DPD bandwidth limitation on EVM for a 28 nm WLAN 802.11ac transmitter

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