A 50.1-Gb/s 60-GHz CMOS Transceiver for IEEE 802.11ay With Calibration of LO Feedthrough and I/Q Imbalance

Pang, Jian; Maki, Shotaro; Kawai, Seitaro; Nagashima, Noriaki; Seo, Yuuki; Dome, Masato; Kato, Hisashi; Katsuragi, Makihiko; Kimura, Kazushige; Kondo, Satoshi; Terashima, Yuki; Liu, Hanli; Siriburanon, Teerachot; Narayanan, Aravind Tharayil; Fajri, Nurul; Kaneko, Tohru; Yoshioka, Toru; Liu, Bangan; Wang, Yun; Wu, Rui; Li, Ning; Tokgoz, Korkut Kaan; Miyahara, Masaya; Shirane, Atsushi; Okada, Kei

doi:10.1109/jssc.2018.2886338

Cited by 72 publications

(28 citation statements)

References 31 publications

(39 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The VGA is designed with a cascode stage, a common-source stage, and an adjustable attenuator. The passive components for matching are designed based on the low-loss and configurable transmission lines (TLs) [25]. To realize high-resolution magnitude tuning, a 10-bit DAC is utilized to control the adjustable attenuator.…”

Section: A Cross-pol Leakage Cancellermentioning

confidence: 99%

A CMOS Dual-Polarized Phased-Array Beamformer Utilizing Cross-Polarization Leakage Cancellation for 5G MIMO Systems

Pang

Luo

et al. 2021

IEEE J. Solid-State Circuits

Self Cite

View full text Add to dashboard Cite

This article introduces a power-efficient and lowcost CMOS 28-GHz phased-array beamformer supporting fifthgeneration (5G) dual-polarized multiple-in-multiple-out (MIMO) (DP-MIMO) operation. To improve the cross-polarization (crosspol.) isolation degraded by the antennas and propagation, a power-efficient analog-assisted cross-pol. leakage cancellation technique is implemented. After the high-accuracy cancellation, more than 41.3-dB cross-pol. isolation is maintained along with the transmitter array to the receiver array. The element-beamformer in this work adopts the compact neutralized bi-directional architecture featuring a minimized manufacturing cost. The proposed beamformer achieves 22% per path TX-mode efficiency and a 4.9-dB RX-mode noise figure. The required onchip area for the beamformer is only 0.48 mm 2 . In over-the-air measurement, a 64-element dual-polarized phased-array module achieves 52.2-dBm saturated effective isotropic radiated power (EIRP). The 5G standard-compliant OFDMA-mode modulated signals of up to 256-QAM could be supported by the 64-element modules. With the help of the cross-pol. leakage cancellation technique, the proposed array module realizes improved DP-MIMO EVMs even under severe polarization coupling and rotation conditions. The measured DP-MIMO EVMs are 3.4% in both 64-QAM and 256-QAM. The consumed power per

show abstract

Section: A Cross-pol Leakage Cancellermentioning

confidence: 99%

A CMOS Dual-Polarized Phased-Array Beamformer Utilizing Cross-Polarization Leakage Cancellation for 5G MIMO Systems

Pang

Luo

et al. 2021

IEEE J. Solid-State Circuits

Self Cite

View full text Add to dashboard Cite

show abstract

“…To improve the on-chip H-V isolation, shielded transmission lines are utilized for H-and V-pol. signal distributions [31]. Additionally, the switches for signal re-direction are properly sized considering the off-state isolation.…”

Section: Transceiver Implementation and Measurementmentioning

confidence: 99%

A 28-GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR

Pang

Zheng

Kubozoe

et al. 2020

IEEE J. Solid-State Circuits

Self Cite

106

View full text Add to dashboard Cite

This article presents a low-cost and area-efficient 28-GHz CMOS phased-array beamformer chip for 5G millimeter-wave dual-polarized multiple-in-multiple-out (MIMO) (DP-MIMO) systems. A neutralized bi-directional technique is introduced in this work to reduce the chip area significantly. With the proposed technique, completely the same circuit chain is shared between the transmitter and receiver. To further minimize the area, an active bi-directional vector-summing phase shifter is also introduced. Area-efficient and high-resolution active phase shifting could be realized in both TX and RX modes. In measurement, the achieved saturated output power for the TX-mode beamformer is 15.1 dBm. The RX-mode noise figure is 4.2 dB at 28 GHz. To evaluate the over-the-air performance, 16 H+16 V sub-array modules are implemented in this work. Each of the sub-array modules consists of four 4 H+4 V chips. Two subarray modules in this work are capable of scanning the beam from −50 • to +50 •. A saturated EIRP of 45.6 dBm is realized by 32 TX-mode beamformers. Within 1-m distance, a maximum SC-mode data rate of 15 Gb/s and the 5G new radio downlink packets transmission in 256-QAM could be supported by the module. A 2 × 2 DP-MIMO communication is also demonstrated with two 5G new radio 64-QAM uplink streams. Thanks to

show abstract

“…The data rate can reach up to 6.7 Gbps using directional antennas [9] within indoor environments. IEEE 802.11 ay standard has been issued as a follow-up to IEEE 802.11 ad, with the aim of having data rate in the range 20-40 Gbps [10,11]. The available 60 GHz band has 14 GHz bandwidth approximately, and this can be divided into 2.…”

Section: Introductionmentioning

confidence: 99%

“…16, 4.32, 6.48 and 8.64 GHz channels [12]. High order modulation schemes with channel bonding are used to extend the available bandwidth [10], for example, a data rate of 42.24 Gbps can be achieved using a 4-channel bonding (each channel with 2.16 GHz) with 0.04 m distance, 64 quadrature amplitude modulation (QAM) and 169 mW consumed power at transmission mode and 139 mW at reception mode [10]. The 60 GHz band propagation has been investigated for indoor environments [13][14][15][16], outdoor environments [16][17][18] and outdoor to indoor environments [19,20].…”

Section: Introductionmentioning

confidence: 99%

Channel Impulse Response at 60 GHz and Impact of Electrical Parameters Properties on Ray Tracing Validations

et al. 2021

View full text Add to dashboard Cite

This paper outlines a study of the effect of changing the electrical properties of materials when applied in the Wireless InSite (WI) ray-tracing software. The study was performed at 60 GHz in an indoor propagation environment and supported by Line of Sight (LoS) and Non-LoS measurements data. The study also investigates other factors that may affect the WI sensitivity, including antenna dimensions, antenna pattern, and accuracy of the environment design. In the experiment, single and double reflections from concrete walls and wooden doors are analysed. Experimental results were compared to those obtained from simulation using the WI. It was found that materials selected from the literature should be similar to those of the environment under study in order to have accurate results. WI was found to have an acceptable performance provided certain conditions are met.

show abstract

A 50.1-Gb/s 60-GHz CMOS Transceiver for IEEE 802.11ay With Calibration of LO Feedthrough and I/Q Imbalance

Cited by 72 publications

References 31 publications

A CMOS Dual-Polarized Phased-Array Beamformer Utilizing Cross-Polarization Leakage Cancellation for 5G MIMO Systems

A CMOS Dual-Polarized Phased-Array Beamformer Utilizing Cross-Polarization Leakage Cancellation for 5G MIMO Systems

A 28-GHz CMOS Phased-Array Beamformer Utilizing Neutralized Bi-Directional Technique Supporting Dual-Polarized MIMO for 5G NR

Channel Impulse Response at 60 GHz and Impact of Electrical Parameters Properties on Ray Tracing Validations

Contact Info

Product

Resources

About