A Study of Out-of-Band Emission in Digital Transmitters Due to PLL Phase Noise, Circuit Non-Linearity, and Bandwidth Limitation

M Oveisi, S Hosseinisangchi… - IEEE Open Journal of …, 2023 - ieeexplore.ieee.org
A thorough investigation of major contributors to out-of-band emission (OOBE) in
transmitters (TXs) utilizing digital modulation schemes is provided. Specifically, the paper …

Static sequence assisted out-of-band power suppression for DFT-s-OFDM

F Hasegawa, S Shinjo, A Okazaki… - 2015 IEEE 26th …, 2015 - ieeexplore.ieee.org
A novel static sequence assisted discrete Fourier transform (DFT)-spread-orthogonal
frequency division multiplexing (OFDM) waveform is proposed to suppress out-of-band …

[图书][B] A Study of BER, EVM, and OOBE Degradation in Transceivers Incorporating Digital Modulation Schemes Due to Noise and Non-Linearity

M Oveisi - 2023 - search.proquest.com
The phase-locked-based frequency synthesizer, essential in wireless transceivers (TRXs),
introduces phase noise and jitter, undermining digital communication link performance. This …

Time domain in continuous DFT-S-OFDM for sidelobes reduction

R Baldemair - US Patent 10,439,853, 2019 - Google Patents
Goal of the application is providing an alternative to the N-continuous algorithm in frequency
domain for sidelobes reduction (OOB) suitable for SC-FDMA. A part of the time domain …

Transmission apparatus

F Hasegawa - US Patent 10,164,813, 2018 - Google Patents
A transmission apparatus includes a data-block generating unit that generates and outputs a
data block including fixed sequence symbols whose signal values are formed of a fixed …

Transmitting apparatus employing a single carrier block transmission system

F Hasegawa - US Patent 10,869,204, 2020 - Google Patents
(57) ABSTRACT A transmitting apparatus includes: a data generator that generates data
symbols; a zero generator that generates zero symbols having signal values of zero; a …