2021
DOI: 10.1109/jiot.2020.3021255
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LEO-Satellite-Assisted UAV: Joint Trajectory and Data Collection for Internet of Remote Things in 6G Aerial Access Networks

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Cited by 174 publications
(62 citation statements)
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“…Of course routing, as one of the most difficult problems in the area of the traditional IoT and there is some certain degree of mutual coupling with the MAC protocol, is also the key point of the research with respect to the emerging IoRT. The design of the routing protocol will be also seriously affected by the corresponding MAC protocol and the characteristics of IoRT such as longer transmission distance, huge propagation latency, extreme channel condition [10]. As a result, a significant challenge on the design of routing protocol for the applications of IoRT are posed due to the inherent characteristics of the physical medium.…”
Section: Background and Motivationmentioning
confidence: 99%
“…Of course routing, as one of the most difficult problems in the area of the traditional IoT and there is some certain degree of mutual coupling with the MAC protocol, is also the key point of the research with respect to the emerging IoRT. The design of the routing protocol will be also seriously affected by the corresponding MAC protocol and the characteristics of IoRT such as longer transmission distance, huge propagation latency, extreme channel condition [10]. As a result, a significant challenge on the design of routing protocol for the applications of IoRT are posed due to the inherent characteristics of the physical medium.…”
Section: Background and Motivationmentioning
confidence: 99%
“…Although fifth-generation (5G) wireless systems are being deployed around the world [1], the explosive growth of mobile data traffic still poses significant challenges for future networks, i.e., beyond 5G or sixthgeneration (6G). It is predicted that individual user data of satellite and UAVs in satellite-UAV-terrestrial network (ISUTN) [7], [16]- [18]. While [7], [16], [17] only considered dominated line-of-sight (LoS) channel in UAV communications, [18] proposed a general analytic framework for energy-efficient beamforming scheme of a satellite-aerial-terrestrial network (SATN).…”
Section: Introductionmentioning
confidence: 99%
“…It is predicted that individual user data of satellite and UAVs in satellite-UAV-terrestrial network (ISUTN) [7], [16]- [18]. While [7], [16], [17] only considered dominated line-of-sight (LoS) channel in UAV communications, [18] proposed a general analytic framework for energy-efficient beamforming scheme of a satellite-aerial-terrestrial network (SATN). Despite noticeable achievements for UAV communications [7], [16]- [18], aforementioned works did not take caching into account.…”
Section: Introductionmentioning
confidence: 99%
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“…Similarly, using drones as relays, Wang et al in [21] proposed a SAG-IoRT framework and designed an iterative algorithm via the joint optimization of the devices access scheduling, power control, and UAV trajectory to maximize the system throughput. While in [22], the authors used UAV to collect data for IoRT sensors with the assistance of low earth orbit (LEO) satellite networks. They designed column generation based algorithms to minimize the total UAVs' trajectory and transmission energy cost with the guarantee of IoRT demands.…”
Section: Introductionmentioning
confidence: 99%