2022
DOI: 10.1109/access.2022.3206033
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Multiantenna Multisource Multirelay Spectrum Sharing Networks: Buffer-Aware Direct Link Activation for Higher Reliability and Lower Overhead

Abstract: Cooperative relaying can be implemented in spectrum sharing networks to extend the range of reliable communication. In this paper, we incorporate multiple-antenna technology and buffer-aided relaying to guarantee a highly reliable connectivity for the secondary network with several source nodes. The multi-antenna configuration for the sources and destination nodes suggests that there are several potential source-to-destination channels which can be auspicious for the network in two ways. First: to balance up t… Show more

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Cited by 1 publication
(1 citation statement)
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“…Different from the interweave paradigm that uses spectrum sensing and opportunistic spectrum access, the two latter allow multiple networks to operate at the same frequency with some constraints. In particular, the unlicensed networks with an underlay approach must ensure that the transmitting power used for exchanging data information cannot exceed the interference power constraints of the licensed destinations (LIDs) [11], [12]. Meanwhile, in an overlay approach, the unlicensed networks have to assist the LIDs' communication via relay cooperation, and in return, they can freely access the licensed spectrum.…”
Section: Introductionmentioning
confidence: 99%
“…Different from the interweave paradigm that uses spectrum sensing and opportunistic spectrum access, the two latter allow multiple networks to operate at the same frequency with some constraints. In particular, the unlicensed networks with an underlay approach must ensure that the transmitting power used for exchanging data information cannot exceed the interference power constraints of the licensed destinations (LIDs) [11], [12]. Meanwhile, in an overlay approach, the unlicensed networks have to assist the LIDs' communication via relay cooperation, and in return, they can freely access the licensed spectrum.…”
Section: Introductionmentioning
confidence: 99%