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Modeling Non-Uniform UE Distributions in Downlink Cellular Networks
Harpreet S. Dhillon, Radha Krishna Ganti, Jeffrey G. Andrews
A recent way to model and analyze downlink cellular networks is by using random spatial models. Assuming user equipment (UE) distribution to be uniform, the analysis is performed a…
Modeling, Analysis and Design for Carrier Aggregation in Heterogeneous Cellular Networks
Xingqin Lin, Jeffrey G. Andrews, Amitava Ghosh
Carrier aggregation (CA) and small cells are two distinct features of next-generation cellular networks. Cellular networks with small cells take on a very heterogeneous characteris…
Downlink Coordinated Multi-Point with Overhead Modeling in Heterogeneous Cellular Networks
Ping Xia, Chun-Hung Liu, Jeffrey G. Andrews
Coordinated multi-point (CoMP) communication is attractive for heterogeneous cellular networks (HCNs) for interference reduction. However, previous approaches to CoMP face two majo…
Offloading in Heterogeneous Networks: Modeling, Analysis, and Design Insights
Sarabjot Singh, Harpreet S. Dhillon, Jeffrey G. Andrews
Pushing data traffic from cellular to WiFi is an example of inter radio access technology (RAT) offloading. While this clearly alleviates congestion on the over-loaded cellular net…
MIMO Interference Alignment in Random Access Networks
Behrang Nosrat-Makouei, Radha Krishna Ganti, Jeffrey G. Andrews +1
In this paper, we analyze a multiple-input multiple-output (MIMO) interference channel where nodes are randomly distributed on a plane as a spatial Poisson cluster point process. E…
User Association for Load Balancing in Heterogeneous Cellular Networks
Qiaoyang Ye, Beiyu Rong, Yudong Chen +3
For small cell technology to significantly increase the capacity of tower-based cellular networks, mobile users will need to be actively pushed onto the more lightly loaded tiers (…
An Analytical Framework for Multi-Cell Cooperation via Stochastic Geometry and Large Deviations
Kaibin Huang, Jeffrey G. Andrews
Multi-cell cooperation (MCC) is an approach for mitigating inter-cell interference in dense cellular networks. Existing studies on MCC performance typically rely on either over-sim…
Load-Aware Modeling and Analysis of Heterogeneous Cellular Networks
Harpreet S. Dhillon, Radha Krishna Ganti, Jeffrey G. Andrews
Random spatial models are attractive for modeling heterogeneous cellular networks (HCNs) due to their realism, tractability, and scalability. A major limitation of such models to d…
Fundamental Limits of Cooperation
Angel Lozano, Robert W. Heath, Jeffrey G. Andrews
Cooperation is viewed as a key ingredient for interference management in wireless systems. This paper shows that cooperation has fundamental limitations. The main result is that ev…
Analytical Modeling of Uplink Cellular Networks
Thomas D. Novlan, Harpreet S. Dhillon, Jeffrey G. Andrews
Cellular uplink analysis has typically been undertaken by either a simple approach that lumps all interference into a single deterministic or random parameter in a Wyner-type model…
Transmission capacity of wireless networks
Steven Weber, Jeffrey G. Andrews
Transmission capacity (TC) is a performance metric for wireless networks that measures the spatial intensity of successful transmissions per unit area, subject to a constraint on t…