Interference Alignment for Cognitive Radio Communications and Networks: A Survey
نویسندگان
چکیده
منابع مشابه
Interference Modeling in Cognitive Radio Networks: A Survey
One of the fundamental elements impacting the performance of a wireless system is interference, which has been a long-term issue in wireless networks. In the case of cognitive radio (CR) networks, the problem of interference is tremendously crucial. In other words, CR keeps the important promise of not producing any harmful interference to the primary user (PU) system. Thus, it is essential to ...
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....... The modern battlefield is a demanding environment for tactical radio networks in that in addition to the variation in the wireless propagation environment, the radio must co-exist and contend with a high density of emitters having varying waveforms. Cognitive Radio (CR) is widely considered as a promising technology for providing the mechanisms to mitigate interference, and allow more f...
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In recent years, there has been rapid progress on understanding Gaussian networks with multiple unicast connections, and new coding techniques have emerged. The essence of multi-source networks is how to efficiently manage interference that arises from the transmission of other sessions. Classically, interference is removed by orthogonalization (in time or frequency). This means that the rate p...
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In underlay Cognitive Radio (CR) systems, secondary users may transmit while primary transmissions take place. However, the interference aggregates on the primary system, and performance degradation will occur. Thus, quantifying and modeling of the aggregate interference is important in characterizing the network’s performance. An interference analysis for a Poisson process of CR nodes in a fin...
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ژورنال
عنوان ژورنال: Journal of Sensor and Actuator Networks
سال: 2019
ISSN: 2224-2708
DOI: 10.3390/jsan8040050