4.1 A 39GHz-Band CMOS 16-Channel Phased-Array Transceiver IC with a Companion Dual-Stream IF Transceiver IC for 5G NR Base-Station Applications
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Bibliographic record
Abstract
Increasing demands on high-data-rate and low-latency cellular communications are accelerating the developments of millimeter-wave (mm-wave) systems for 5G NR in 28 and 39GHz bands. In order to provide the 5G communication systems worldwide, high-performance and low-cost RF chipset solutions are required. Recently, 5G mm-wave CMOS/BiCMOS RF phased-array transceivers for the 28GHz band have been reported [1]–[5]. However, there are very limited reports for the 39GHz band [6], which is one of the main frequency bands in the US, Canada, China and other countries. In this paper, we present both a 39GHz 16-channel RF phased-array transceiver IC in 28nm CMOS and a dual-stream IF transceiver IC in 65nm CMOS. These chipsets can be scaled up to >500 RF phased-array elements and support dual-stream (MIMO) in 5G NR base-station applications.
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Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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