2020
DOI: 10.3390/s20123447
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Performance Analysis of Cognitive Relay-Assisted Ambient Backscatter with MRC over Nakagami-m Fading Channels

Abstract: This study presents ambient backscatter communication (AmBC) network as a concept of "modulation in the air" that has drawn growing interest by both academia and industry recently. In particular, we investigate and analyze an AmBC system relying on cognitive radio, where the primary destination is equipped with multiple antennas and maximum ratio combining (MRC). A wireless powered relay is necessary to serve both primary and secondary destinations. Benefiting from the surrounding radio frequency (RF) source, … Show more

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Cited by 2 publications
(2 citation statements)
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“…On the one hand, as mentioned in many references, using relays can provide extra spatial diversity and expand the coverage of wireless communication systems [21,22]. Recently, the relay-based one-way and two-way cooperative AmBC systems were investigated in [23][24][25][26][27][28][29][30], respectively. In particular, the authors in [23] studied the outage probability and throughput of an energy harvesting enabled decode-and-forward (DF) cognitive relay network over Rayleigh fading channels, where AmBC was utilized as secondary communication.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…On the one hand, as mentioned in many references, using relays can provide extra spatial diversity and expand the coverage of wireless communication systems [21,22]. Recently, the relay-based one-way and two-way cooperative AmBC systems were investigated in [23][24][25][26][27][28][29][30], respectively. In particular, the authors in [23] studied the outage probability and throughput of an energy harvesting enabled decode-and-forward (DF) cognitive relay network over Rayleigh fading channels, where AmBC was utilized as secondary communication.…”
Section: Introductionmentioning
confidence: 99%
“…In particular, the authors in [23] studied the outage probability and throughput of an energy harvesting enabled decode-and-forward (DF) cognitive relay network over Rayleigh fading channels, where AmBC was utilized as secondary communication. Later, this work was extended to Nakagami-m fading channels and nonlinear energy harvesting model [24,25], respectively. In [26], an optimal time allocation scheme was proposed to maximize the throughput for a DF-enabled cooperative AmBC system.…”
Section: Introductionmentioning
confidence: 99%