phased-array

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A Ka-Band Eight-Stream Phased-Array MIMO Receiver With Time-Hopping Blocker Rejection for 6G

A Ka-Band Eight-Stream Phased-Array MIMO Receiver With Time-Hopping Blocker Rejection for 6G 150 150
Author(s): Minzhe Tang, Dongfan Xu, Yi Zhang, Yuxuan Liu, Zheng Li, Yuncheng Zhang, Yilun Chen, Minghao Fan, Ziyuan Ren, Jian Pang, Dingxin Xu, Chenxin Liu, Daxu Zhang, Duo Li, Hiroyuki Sakai, Kazuaki Kunihiro, Atsushi Shirane, Kenichi Okada

Abstract:

This article presents a Ka-band phased-array multiple-input multiple-output (MIMO) receiver for sixth-generation (6G) wireless networks. A time-division (TD) MIMO architecture is combined with DP antenna array to support eight MIMO streams in the Ka band. The complex weights of each RF element in both polarization arrays are sequentially switched at …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 21
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3695546
Publisher: IEEE

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A 298–334-GHz Scalable Injection-Locked Phased-Array Radiator With Second-Subharmonic-Termination-Assisted Waveform Formulation for Power Enhancement

A 298–334-GHz Scalable Injection-Locked Phased-Array Radiator With Second-Subharmonic-Termination-Assisted Waveform Formulation for Power Enhancement 150 150
Author(s): Meng Yang, Liang Wu

Abstract:

This article introduces an injection-locked $4\times 2$ phased-array radiator featuring scalability in both horizontal and vertical dimensions. The system architecture is constructed by sequentially cascading four identical phase-shifting and frequency-quadrupling (PSFQ) elements in a chain-like configuration and then cohering two such chains, thereby achieving global frequency synchronization. Particularly, phase shifting and …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3624563
Publisher: IEEE

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A Wideband Calibration-Free D-Band Passive Phase Shifter With Frequency-Invariant Codes Over 24% Fractional Bandwidth

A Wideband Calibration-Free D-Band Passive Phase Shifter With Frequency-Invariant Codes Over 24% Fractional Bandwidth 150 150
Author(s): Basem Abdelaziz Abdelmagid, Yuqi Liu, Hua Wang

Abstract:

This work presents a compact 110–140 GHz bidirectional D-band passive phase shifter based on combining a 5-stage capacitively-loaded reflective-type PS (RTPS) with a wideband 0°/180° stage. The design achieves a 360° phase range with a resolution of 11.25°. By applying: 1) a wideband RTPS design methodology on the stage level; 2) frequency/switching-staggering techniques among the …

Published in: IEEE Solid-State Circuits Letters
Page(s): 329 – 332
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3622233
Publisher: IEEE

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