A Scalable Multi-Chip Self-Aligning Ka-Band Phased Array

Ruixing He; Alireza Rouhafza; Yahya Tousi

doi:10.1109/ESSCIRC59616.2023.10268793

A Scalable Multi-Chip Self-Aligning Ka-Band Phased Array

Ruixing He, Alireza Rouhafza, Yahya Tousi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

This work presents a scalable phased array architecture based on background phase alignment between its nearest neighbors. We implement the proposed interferometric phase monitoring scheme in a multi-chip array configuration with chip-to-chip bonding between adjacent modules. The prototype 1× 7 phased array consists of 7 transmitter chips and 6 control chips all fabricated in the TSMC 65 n m CMOS process. The die areas of the two modules are 0.86 m m2 and 0.41 m m2, respectively. The array demonstrates a measured ± 30° beam steering consistent with 210° measured phase tuning range between adjacent neighbors. The transmitter phase noise is-114.6dBc/Hz at 1MHz offset at 30GHz and operates across a 16.7% fractional bandwidth. To the best of our knowledge, this work presents the first scalable self-aligning and beam steering mm-wave phased array.

Original language	English (US)
Title of host publication	ESSCIRC 2023 - IEEE 49th European Solid State Circuits Conference
Publisher	IEEE Computer Society
Pages	461-464
Number of pages	4
ISBN (Electronic)	9798350304206
DOIs	https://doi.org/10.1109/ESSCIRC59616.2023.10268793
State	Published - 2023
Externally published	Yes
Event	49th IEEE European Solid State Circuits Conference, ESSCIRC 2023 - Lisbon, Portugal Duration: Sep 11 2023 → Sep 14 2023

Publication series

Name	European Solid-State Circuits Conference
Volume	2023-September
ISSN (Print)	1930-8833

Conference

Conference	49th IEEE European Solid State Circuits Conference, ESSCIRC 2023
Country/Territory	Portugal
City	Lisbon
Period	9/11/23 → 9/14/23

Bibliographical note

Publisher Copyright:
© 2023 IEEE.

Keywords

mm-wave
phase control
Phased array
scalable

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10.1109/ESSCIRC59616.2023.10268793

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He, R, Rouhafza, A & Tousi, Y 2023, A Scalable Multi-Chip Self-Aligning Ka-Band Phased Array. in ESSCIRC 2023 - IEEE 49th European Solid State Circuits Conference. European Solid-State Circuits Conference, vol. 2023-September, IEEE Computer Society, pp. 461-464, 49th IEEE European Solid State Circuits Conference, ESSCIRC 2023, Lisbon, Portugal, 9/11/23. https://doi.org/10.1109/ESSCIRC59616.2023.10268793

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abstract = "This work presents a scalable phased array architecture based on background phase alignment between its nearest neighbors. We implement the proposed interferometric phase monitoring scheme in a multi-chip array configuration with chip-to-chip bonding between adjacent modules. The prototype 1× 7 phased array consists of 7 transmitter chips and 6 control chips all fabricated in the TSMC 65 n m CMOS process. The die areas of the two modules are 0.86 m m2 and 0.41 m m2, respectively. The array demonstrates a measured ± 30° beam steering consistent with 210° measured phase tuning range between adjacent neighbors. The transmitter phase noise is-114.6dBc/Hz at 1MHz offset at 30GHz and operates across a 16.7% fractional bandwidth. To the best of our knowledge, this work presents the first scalable self-aligning and beam steering mm-wave phased array.",

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AB - This work presents a scalable phased array architecture based on background phase alignment between its nearest neighbors. We implement the proposed interferometric phase monitoring scheme in a multi-chip array configuration with chip-to-chip bonding between adjacent modules. The prototype 1× 7 phased array consists of 7 transmitter chips and 6 control chips all fabricated in the TSMC 65 n m CMOS process. The die areas of the two modules are 0.86 m m2 and 0.41 m m2, respectively. The array demonstrates a measured ± 30° beam steering consistent with 210° measured phase tuning range between adjacent neighbors. The transmitter phase noise is-114.6dBc/Hz at 1MHz offset at 30GHz and operates across a 16.7% fractional bandwidth. To the best of our knowledge, this work presents the first scalable self-aligning and beam steering mm-wave phased array.

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A Scalable Multi-Chip Self-Aligning Ka-Band Phased Array

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