2019
DOI: 10.1109/jssc.2019.2899734
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A 28-GHz CMOS Phased-Array Transceiver Based on LO Phase-Shifting Architecture With Gain Invariant Phase Tuning for 5G New Radio

Abstract: This paper presents a 28-GHz CMOS four-element phased-array transceiver chip for the fifth-generation mobile network (5G) new radio (NR). The proposed transceiver is based on the local-oscillator (LO) phase-shifting architecture, and it achieves quasi-continuous phase tuning with less than 0.2-dB radio frequency (RF) gain variation and 0.3 • phase error. Accurate beam control with suppressed sidelobe level during beam steering could be supported by this work. At 28 GHz, a single-element transmitter-mode output… Show more

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Cited by 155 publications
(61 citation statements)
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“…The peak PAE of the developed PA is partly limited by the adopted class-A operation mode. 1 Measured result at 30 GHz, 2 Calculated from measured results, 3 Pads are included.…”
Section: Measurements and Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The peak PAE of the developed PA is partly limited by the adopted class-A operation mode. 1 Measured result at 30 GHz, 2 Calculated from measured results, 3 Pads are included.…”
Section: Measurements and Resultsmentioning
confidence: 99%
“…The fifth generation (5G) communication technology provides a great potential for numerous emerging applications, such as broadband data traffic, augmented reality (AR), internet of things (IOT), internet of vehicles (IOV), etc. Because of the wide available bandwidth, the mm-Wave technique will play a key role in these emerging demands to achieve multi-gigabit-per-second data rates [1][2][3]. Figure 1a shows the spectra proposed by different regions in the world for 5G service, and frequency bands allocated around 28 GHz are one of the most promising candidates [4,5].…”
Section: Introductionmentioning
confidence: 99%
“…Such issues become even more challenging as the operating frequency of the circuit increases, and the number of the antennas scales up. Hence, most of the implementations of hybrid beamformers are based on subarray structures, such as in [12], [21]- [23] and references therein.…”
Section: Primer: Hybrid Beamforming and State-of-the-artmentioning
confidence: 99%
“…However, these systems are much more expensive and complex to build. Hence, most of the existing hybrid beamforming testbeds and products are based on the subconnected approaches [9], [12], [21]- [23].…”
Section: Introductionmentioning
confidence: 99%
“…However, to realize the 5G millimeter-wave DP-MIMO systems, which require numerous transceiver paths, the conventional phasedarray solutions are still expensive regarding the total die area. [11] and [12] based on the LO phase shifting architecture realize gain-invariant and high-resolution phase shifting. However, additional power and area are consumed for the distributed LO.…”
Section: Introductionmentioning
confidence: 99%