20 results for “Understanding of high-frequency transmitters”
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A 140-GHz transmitter with direct raised-cosine-like envelope shaping and wide-range phase tuning is presented in 90-nm SiGe BiCMOS, achieving up to 8 Gbpers data rate, 34-dB sidelobe suppression, 22.…
This paper derives closed-form expressions for the effective channel between users in a multiuser Zak-OTFS system with heterogeneous delay-Doppler periods, and shows negligible inter-user interference…
This paper proposes an integrated sensing and communications framework for CP-OFDM-based systems that supports chirp signal transmission, ensuring interference-free concurrent data transmissions and i…
This paper proposes a protocol-agnostic method for embedding parallel information into existing wireless communication signals using small, controlled frequency offsets, enabling simultaneous secondar…
This paper presents a portable, battery-powered RF capture system using a HackRF One SDR, Raspberry Pi 5, GNSS receiver, and high-speed storage for recording geotagged IQ data in real-world environmen…
This paper analyzes direction-of-arrival estimation using a tunable receive-side lossless reciprocal MiLAC combiner for antenna arrays and shows it can achieve the digital Cramér-Rao bound with fewer…
Peng Zhang, Hanmei Yuan, Zhe Wang, Vitaly Petrov +1 more
This paper analyzes the near-field to far-field transition for an elevated access point with downward tilt, showing that it can occur more than once along a user's ground path, leading to an unexpecte…
The paper proposes a lumped RC equivalent circuit model to accurately simulate the electrical behavior of head tissues in the sub-MHz frequency range, offering a computationally efficient alternative…
The paper introduces a design-oriented methodology and a closed-form macromodel to quantify how noise coupled through Through-Silicon Vias (TSVs) degrades the spectral purity of sensitive RF oscillato…
The paper introduces The AI Telco Engineer (AITE), a framework for autonomously designing wireless communication algorithms using large language models, achieving better performance and reduced latenc…
This paper discusses recent advances in modeling Equalization-enhanced phase noise (EEPN) using the temporal Gaussian noise model for efficient system simulation in high symbol-rate coherent transmiss…
Yiyue Xiang, Jianxiong Pan, Qiaolin Ouyang, Bichen Kang +2 more
This paper proposes an adaptive local oscillator tracking architecture for Rydberg atomic receivers to lock high-dynamic signals within the effective atomic response bandwidth, improving performance i…
Xiaoqian Liu, Ming Gan, Weijie Dai, Yuhan Dong +2 more
This paper reviews the core mechanisms of Wi-Fi 8, focusing on enhancements at the PHY and MAC layers, and explores the potential role of integrated millimeter-wave technology. It conducts system-leve…
This paper proposes a heterogeneous neural network accelerator for multi-task RF signal recognition, achieving high accuracy and low latency for automatic modulation recognition, hardware-Trojan cover…
This paper investigates the design of dual-function radar-communication systems for massive MIMO systems using 1-bit DACs and ADCs, optimizing the transmit signal matrix for enhanced sensing performan…