CoMP Transmission in Downlink NOMA-Based Cellular-Connected UAV Networks

by   HongGuang Sun, et al.
Singapore University of Technology and Design
Xidian University
NetEase, Inc

In this paper, we study the integration between the coordinated multipoint (CoMP) transmission and the non-orthogonal multiple access (NOMA) in the downlink cellular-connected UAV networks with the coexistence of aerial users (AUs) and terrestrial users (TUs). Based on the comparison of the desired signal strength to the dominant interference strength, the AUs are classified into CoMP-AUs and Non-CoMP AUs, where the former receives transmissions from two cooperative BSs, and constructs two exclusive NOMA clusters with two TUs, respectively. A Non-CoMP AU constructs a NOMA cluster with a TU served by the same BS. By leveraging the tools from stochastic geometry, we propose a novel analytical framework to evaluate the performance of the CoMP-NOMA based cellular-connected UAV network in terms of coverage probability, and average ergodic rate. We reveal the superiority of the proposed CoMP-NOMA scheme by comparing with three benchmark schemes, and further quantify the impacts of key system parameters on the network performance. By harvesting the benefits of both CoMP and NOMA, we prove that the proposed framework can provide reliable connection for AUs by using CoMP and enhance the average ergodic rate through NOMA technique as well.


Uplink Cooperative NOMA for Cellular-Connected UAV

Aerial-ground interference mitigation is a challenging issue in the cell...

Stochastic Geometry Based Modeling and Analysis on Network NOMA in Downlink CoMP Systems

This paper investigates the performance of network non-orthogonal multip...

Meta Distribution for Downlink NOMA in Cellular Networks with 3GPP-inspired User Ranking

This paper presents the meta distribution analysis of the downlink two-u...

Multiple Antenna Aided NOMA in UAV Networks: A Stochastic Geometry Approach

This article investigates the multiple-input multiple-output (MIMO) non-...

Uplink NOMA for Cellular-Connected UAV: Impact of UAV Trajectories and Altitude

This paper considers an emerging cellular-connected unmanned aerial vehi...

Downlink Analysis of NOMA-enabled Cellular Networks with 3GPP-inspired User Ranking

This paper provides a comprehensive downlink analysis of non-orthogonal ...

Cache-Aided Non-Orthogonal Multiple Access

In this paper, we propose a novel joint caching and non-orthogonal multi...

Please sign up or login with your details

Forgot password? Click here to reset