Time-frequency training OFDM with high spectral efficiency and reliable performance in high speed environments
Orthogonal frequency division multiplexing (OFDM) is widely recognized as the key
technology for the next generation broadband wireless communication (BWC) systems …
technology for the next generation broadband wireless communication (BWC) systems …
Integrated radar and communications waveform design based on multi-symbol OFDM
J Rong, F Liu, Y Miao - Remote Sensing, 2022 - mdpi.com
Integrated radar and communications (IRC) technology has become very important for civil
and military applications in recent years, and IRC waveform design is a major challenge for …
and military applications in recent years, and IRC waveform design is a major challenge for …
CP-less OFDM with alignment signals for enhancing spectral efficiency, reducing latency, and improving PHY security of 5G services
Although orthogonal frequency-division multiplexing (OFDM) is a widely accepted waveform
in many standards and is expected to keep its dominance in future 5G systems with various …
in many standards and is expected to keep its dominance in future 5G systems with various …
Pilot-aided joint CFO and doubly-selective channel estimation for OFDM transmissions
H Nguyen-Le, T Le-Ngoc - IEEE Transactions on Broadcasting, 2010 - ieeexplore.ieee.org
This paper studies the problem of pilot-aided joint carrier frequency offset (CFO) and
channel estimation using Fisher and Bayesian approaches in orthogonal frequency division …
channel estimation using Fisher and Bayesian approaches in orthogonal frequency division …
On the power allocation and system capacity of OFDM systems using superimposed training schemes
WC Huang, CP Li, HJ Li - IEEE Transactions on Vehicular …, 2008 - ieeexplore.ieee.org
Channel estimation in multipath environments is typically performed using the pilot-symbol-
assisted modulation (PSAM) scheme. However, the traditional PSAM scheme requires the …
assisted modulation (PSAM) scheme. However, the traditional PSAM scheme requires the …
An equivalent channel time variation mitigation schefme for ICI reduction in high-mobility OFDM systems
KY Lin, HP Lin, MC Tseng - IEEE transactions on broadcasting, 2012 - ieeexplore.ieee.org
In time-varying channel, the Doppler effect destroys the subcarrier orthogonality of
orthogonal frequency-division multiplexing (OFDM) system which leads inter-carrier …
orthogonal frequency-division multiplexing (OFDM) system which leads inter-carrier …
Common CP-OFDM transceiver design for low-complexity frequency domain equalization
Common cyclic prefix-orthogonal frequency-division multiplexing (CCP-OFDM) groups
multiple OFDM symbols and uses one CP to protect them in slow time-variant channels …
multiple OFDM symbols and uses one CP to protect them in slow time-variant channels …
A CP reduction scheme based on symbol repetition for narrow-band IoT systems
In this article, we propose a novel waveform with low cyclic prefix (CP) overhead for narrow-
band Internet-of-things (NB-IoT) systems. Compared with the classical orthogonal frequency …
band Internet-of-things (NB-IoT) systems. Compared with the classical orthogonal frequency …
EM-based joint channel estimation and IQ imbalances for OFDM systems
The imbalances between the In-phase (I) and Quadrature-phase (Q) branches represent a
significant source of impairment in the orthogonal frequency division multiplexing (OFDM) …
significant source of impairment in the orthogonal frequency division multiplexing (OFDM) …
Super-imposed training scheme for timing and frequency synchronization in OFDM systems
CP Li, WW Hu - IEEE Transactions on Broadcasting, 2007 - ieeexplore.ieee.org
In this paper, a super-imposed scheme for timing and frequency synchronization is
proposed for orthogonal frequency division multiplexing (OFDM) systems. The proposed …
proposed for orthogonal frequency division multiplexing (OFDM) systems. The proposed …