Blind interference alignment: A comprehensive survey

Summary Interference is a crucial impairment for trustworthy wireless communication. To overcome this interference problem, many interference management strategies have been established. Interference alignment (IA) is one such significant interference management approach that handles the positioning...

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Bibliographic Details
Published in:International journal of communication systems 2022-05, Vol.35 (8), p.n/a
Main Authors: U, Vivek Menon, Selvaprabhu, Poongundran
Format: Article
Language:English
Subjects:
5G massive MIMO communication
Alignment
blind interference alignment
Degrees of freedom
Interference
interference management
millimeter wave
Network topologies
Receivers
visible light communication
Wireless communication systems
Wireless communications
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Summary:Summary Interference is a crucial impairment for trustworthy wireless communication. To overcome this interference problem, many interference management strategies have been established. Interference alignment (IA) is one such significant interference management approach that handles the positioning of signals so that they form an overlapping shadow at the unintended receivers; the desired interference‐free signals remain separable at the intended receivers. However, the need for global channel state information at the transmitter (CSIT) acts as a practical limitation for IA in the real‐world wireless communication system. IA can mitigate this limitation associated with channel state information with no CSIT, also termed as blind IA (BIA). Therefore, BIA is an interference management strategy that utilizes the concept of IA with no knowledge of CSIT. Therefore, based on the plethora of prevailing significant works, the objective of our paper is to provide a comprehensive survey to draw a picture of BIA in terms of network topologies, applications in different networks, trending research areas, degrees of freedom (DoF), open‐research problems, and future research directions. The objective of the paper is to provide a comprehensive survey to draw a picture of BIA in terms of network topologies, applications in different networks, trending research areas, degrees of freedom, open‐research problems, and future research directions.
ISSN:1074-5351
1099-1131
DOI:10.1002/dac.5116