Pilot optimization, channel estimation, and optimal detection for full-duplex OFDM systems with IQ imbalances

F Shu, J Wang, J Li, R Chen… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In full-duplex orthogonal frequency-division multiplexing systems with IQ imbalances, a
frequency-domain least-squares (FD-LS) channel estimator is proposed to estimate both …

[PDF][PDF] Hardware Chip Performance of CORDIC Based OFDM Transceiver for Wireless Communication.

A Kumar, A Kumar, GS Tomar - Computer Systems Science & …, 2022 - cdn.techscience.cn
The fourth-generation (4G) and fifth-generation (5G) wireless communication systems use
the orthogonal frequency division multiplexing (OFDM) modulation techniques and …

A joint equalization and decoding technique for multiuser massive MIMO uplink system with transmitter and receiver RF impairments under doubly selective channels

PS Sanoopkumar, P Muneer… - IEEE Systems Journal, 2022 - ieeexplore.ieee.org
The impairments due to in-phase and quadrature-phase imbalance at the transmitter and/or
receiver, carrier frequency offset, and doubly selective channel (DSC) result in multiuser …

A low complexity iterative equalization technique for OFDMA and SC-FDMA uplink systems with Tx-Rx IQ imbalance and CFO under doubly selective channels

PS Sanoopkumar, P Muneer, SM Sameer - Physical Communication, 2020 - Elsevier
The next-generation wireless communication systems must address the compensation of in-
phase and quadrature phase imbalance (IQI), carrier frequency offset (CFO), and doubly …

IQ 不平衡OFDM 系统两种逼近最大似然性能的亚最大似然补偿算法

童娟娟, 束锋, 李隽, 余诗尧, 赵军辉 - 高技术通讯(中文), 2014 - journals.istic.ac.cn
针对在同相正交IQ 不平衡的正交频分复用(OFDM) 系统中用传统的最大似然(ML)
补偿算法需要二维复向量的搜索, 从而导致计算复杂度较高的问题, 提出了两种逼近ML …

Behavioral model on transmitter power amplifier and IQ imbalance

K Fu - 2014 - dr.ntu.edu.sg
This thesis is dedicated to the subject of the behavioral model of two most important analog
impairments in modern wireless transmitters–in-phase/quadrature (IQ) imbalance distortion …

[引用][C] IQ 不平衡OFDM 系统高性能稀疏信道估计算法

陈宇, 未元, 梁彦, 王进, 顾晨, 童娟娟, 束锋, 陆锦辉 - 数据采集与处理, 2014

[引用][C] 接收IQ 不平衡OFDM 系统的高性能信道估计和补偿方案(英文)

束锋, 童娟娟, 李隽, 王进, 顾晨, 陆锦辉 - Journal of Southeast University (English …, 2014