A Novel Subspace Decomposition-Based Detection Scheme with Soft Interference Cancellation for OFDMA Uplink

Tu, Yung-Ping; Fang, Wen‐Hsien; Chen, Yie‐Tarng

doi:10.1109/vetecs.2012.6240109

Cited by 3 publications

(2 citation statements)

References 11 publications

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“…The research to achieve timing and carrier synchronization in OFDMA uplink communication systems is summarized in Table XIII. All categorized papers study carrier synchronization only [305,307,308,309,310,311,312,313,314,315,316,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339]. Though they consider the same channel model, they differ in respect of providing joint channel estimation, requiring pilot/training, proposing estimation or compensation of multiple CFO, or providing lower bound.…”

Section: B Ofdma Uplink Communication Systemsmentioning

confidence: 99%

Timing and carrier synchronization in wireless communication systems: a survey and classification of research in the last 5 years

Nasir

Durrani

Mehrpouyan

et al. 2016

J Wireless Com Network

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Timing and carrier synchronization is a fundamental requirement for any wireless communication system to work properly. Timing synchronization is the process by which a receiver node determines the correct instants of time at which to sample the incoming signal. Carrier synchronization is the process by which a receiver adapts the frequency and phase of its local carrier oscillator with those of the received signal. In this paper, we survey the literature over the last 5 years (2010)(2011)(2012)(2013)(2014) and present a comprehensive literature review and classification of the recent research progress in achieving timing and carrier synchronization in single-input single-output (SISO), multiple-input multiple-output (MIMO), cooperative relaying, and multiuser/multicell interference networks. Considering both single-carrier and multi-carrier communication systems, we survey and categorize the timing and carrier synchronization techniques proposed for the different communication systems focusing on the system model assumptions for synchronization, the synchronization challenges, and the state-of-the-art synchronization solutions and their limitations. Finally, we envision some future research directions.

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Section: B Ofdma Uplink Communication Systemsmentioning

confidence: 99%

Timing and carrier synchronization in wireless communication systems: a survey and classification of research in the last 5 years

Nasir

Durrani

Mehrpouyan

et al. 2016

J Wireless Com Network

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“…Scharf and McCloud applies oblique projection to predict the direction of arrival . Tu et al propose beamforming based on subspace detection, which separates the interference from the desired signal and then further applies successive interference cancellation. Beamforming based on antenna selection proposes for multiple relays and destinations maximizes the signal‐to‐interference‐and‐noise ratio and eliminates co‐channel interference.…”

Section: Introductionmentioning

confidence: 99%

Oblique projection: An interference mitigation for MIMO multihop full‐duplex relay

Fadoul

Hindia

Dimyati

et al. 2019

Trans Emerging Tel Tech

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Full-duplex (FD) assisted multiple-input-multiple-output relaying increases the spectral efficiency through efficient spectrum utilization. The major concerns for the FD assisted relay system are the cancellation of inter-relay interference (IRI) and relay self-interference (RSI). Previous works were idealized only on the basis of either RSI or IRI; hence, all other realistic models to overcome the RSI or IRI were unappreciated. This paper aims to reduce the interference-to-signal ratio. We propose the joint relay's receive beamforming based on oblique projection to mitigate the RSI and IRI in multihop environments. Applying first orthogonal projectors to the relay's received signal, the relay's received signals are divided into interference subspace and signal subspace. Then, the desired signal is recovered from signal subspace by using oblique projection that cancels out the RSI and IRI. The geometric interpretation of oblique projection is analyzed to understand its properties. The major merit of this method is that it can be adopted even when the RSI and IRI channels are unknown. In comparison to the existing interference cancellation methods, the signal-to-interference ratio of our proposed method does not deteriorate even when the transmit power is high. Additionally, we demonstrate that the oblique projection output is equivalent to an orthogonal projection using geometrical interpretation, simulation, and theoretical derivation.Trans Emerging Tel Tech. 2020;31:e3799.wileyonlinelibrary.com/journal/ett

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Oblique projection based receiver with interference cancellation in OFDMA uplink

Huang

Fang

Cheng

2012

Anti-Counterfeiting, Security, and Identification

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A Novel Subspace Decomposition-Based Detection Scheme with Soft Interference Cancellation for OFDMA Uplink

Cited by 3 publications

References 11 publications

Timing and carrier synchronization in wireless communication systems: a survey and classification of research in the last 5 years

Timing and carrier synchronization in wireless communication systems: a survey and classification of research in the last 5 years

Oblique projection: An interference mitigation for MIMO multihop full‐duplex relay

Oblique projection based receiver with interference cancellation in OFDMA uplink

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