Clustered UAV Networks With Millimeter Wave Communications: A Stochastic Geometry View

Yi, Wenqiang; Liu, Yuanwei; Deng, Yansha; Nallanathan, Arumugam

doi:10.1109/tcomm.2020.2980787

Cited by 50 publications

(37 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Similarly, [14], [15] model UAVs as an independent HPPP and analyzes the performance of the network in terms of the outage probability by varying the number of UAVs. However, HPPP based modeling cannot accurately reflect the nature of interference in clustered scenarios [16]- [20]. For instance, in an earthquake or flood-affected areas (such as at refuge camps or local tents), where the traditional infrastructure is destroyed and the UEs are present in clusters.…”

Section: A Motivation and Related Workmentioning

confidence: 99%

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

et al. 2020

View full text Add to dashboard Cite

To enable reliable connectivity in highly dynamic and dense communication environments, aerial-terrestrial heterogeneous cellular networks (AT-HCNs) have been proposed as a plausible enhancement to the conventional terrestrial HCNs (T-HCNs). In dense urban scenarios, users are often located in clusters and demand high bandwidth in both downlink (DL) and uplink (UL). We investigate this scenario and model the spatial distribution of clustered users using a Matern cluster process (MCP). Based on our analysis we then argue that decoupling of DL and UL in such a setting can significantly improve coverage performance and spectral efficiency. We further obtain closed-form expressions for the system coverage probability, spectral efficiency, and energy efficiency by using the Fox H-function. The obtained results confirm the validity of the proposed analytical model. Our simulations further indicate a significant performance improvement using decoupled access and provide quantitative insights on AT-HCN system design. INDEX TERMS Heterogeneous cellular networks, Downlink and uplink decoupling, Matern cluster process, Poisson point process, Unmanned aerial vehicles.

show abstract

Section: A Motivation and Related Workmentioning

confidence: 99%

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Since the movement of HAP is slow when serving users, the Doppler shift is assumed to be well compensated, which has a negligible impact on the SAGIN system [32], [33].…”

Section: Channel Modelsmentioning

confidence: 99%

“…and Ψ U = U N0 P H L n HU U . Finally, substituting (31) and (32) into (30) yields the closed-form approximation for Φ HU .…”

mentioning

confidence: 99%

Space-Air-Ground Integrated Networks: Outage Performance Analysis

Dang

Shihada

et al. 2020

IEEE Trans. Wireless Commun.

108

View full text Add to dashboard Cite

By incorporating the merits of satellite, aerial, and terrestrial communications, the space-air-ground integrated network (SAGIN) emerges in recent years as a promising solution to support seamless, high-rate, and reliable transmission with an extremely larger coverage than a classic terrestrial network. In essence, SAGIN is a cooperative relay network, in which highaltitude platforms (HAPs) and terrestrial base stations (BSs) serve as intermediates relaying signals between end device and satellite. In this paper, we thereby view the SAGIN from the perspective of cooperative communications and introduce relay networking technologies to model and construct the framework of SAGIN. Meanwhile, we take the realistic propagation environment, HAP mobility and mathematical tractability into account and reconstruct the cooperative channel models for SAGIN, including the space-air, space-ground and air-ground links. Based on the constructed framework of SAGIN, we analyze the outage performance and approximate the outage probability as well as asymptotic outage probability in closed form. Numerical results generated by computer simulations verify our analysis and provide insight into the applicability of SAGIN. Although the relaying scenarios considered in this work are simplistic, the good tractability and expandability of the constructed framework provide a solid foundation for further research of advanced systems with complex configurations.

show abstract

“…In order to satisfy the requirement of high 1 Part of this work was presented in IEEE IWCMC 2018 [5]. throughput in most UAV applications, the potential of integrating Millimeter Wave communications with UAV networks is explored in [3]. There are two main benefits for deploying Millimeter Wave communications to UAV networks.…”

Section: Introductionmentioning

confidence: 99%

“…One is that the large available spectrum of Millimeter Wave is able to substantially boost the capacity of UAV networks and hence satisfying the requirement of prompt responses. The other advantage is that the data traffic of UAV networks can be significantly enlarged by using Millimeter Wave since Millimeter Wave communications are capable of offering high throughput in short-range transmissions [3]. The main disadvantage of using a UAV as an aerial base station is their energy capacity; a UAV needs to return periodically to a charging station for recharging process, due to its limited energy capacity.…”

Section: Introductionmentioning

confidence: 99%

Maximizing the Lifetime of Wireless Devices in Millimeter Wave UAV Networks

Shakhatreh¹,

Malkawi²

2020

ujeee

View full text Add to dashboard Cite

The use of unmanned aerial vehicles (UAVs) is growing rapidly across many civil application domains, including providing wireless coverage. Most studies on UAV-based wireless coverage typically consider downlink scenarios from an aerial base station to ground users. The uplink scenario in which ground wireless devices transmit data to an aerial base station is only considered by few studies. However, the frequency bands that are used in these studies are not Millimeter Wave frequency bands, and this limits the applicability of these applications when one needs to consider 5G networks. In this paper, we are motivated to explore if the placement of UAV can enhance the time durations of uplink transmissions of wireless devices in Millimeter Wave UAV networks. First, we present a realistic Millimeter Wave path loss model and describe the tradeoff introduced by this model. Then, we study the problem of optimal UAV placement, where the objective is to determine the placement of a single UAV such that the sum of time durations of uplink transmissions is maximized. To this end, an algorithm to find the optimal UAV location is proposed. Simulation results are presented to validate the effectiveness of the proposed algorithm.

show abstract

Clustered UAV Networks With Millimeter Wave Communications: A Stochastic Geometry View

Cited by 50 publications

References 47 publications

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

Decoupled Downlink and Uplink Access for Aerial Terrestrial Heterogeneous Cellular Networks

Space-Air-Ground Integrated Networks: Outage Performance Analysis

Maximizing the Lifetime of Wireless Devices in Millimeter Wave UAV Networks

Contact Info

Product

Resources

About