Advanced MIMO Systems Optimization
430 papers on this topic
Joint Fronthaul Multicast and Cooperative Beamforming for Cache-Enabled Cloud-Based Small Cell Networks: An MDS Codes-Aided Approach
The performance of cloud-based small cell networks (C-SCNs) relies highly on a capacity-limited fronthaul, which degrade quality of service when it is saturated. Coded caching is a promising...
Non-orthogonal Multiple Access in Large-Scale Heterogeneous Networks
In this paper, the potential benefits of applying non-orthogonal multiple access (NOMA) technique in $K$-tier hybrid heterogeneous networks (HetNets) is explored. A promising new transmission...
Asymptotic Analysis of RZF over Double Scattering Channels with MMSE Estimation
This paper studies the ergodic rate performance of regularized zero-forcing (RZF) precoding in the downlink of a multi-user multiple-input single-output (MISO) system, where the channel between...
Content Caching and Delivery in Wireless Radio Access Networks
Today's mobile data traffic is dominated by content-oriented traffic. Caching popular contents at the network edge can alleviate network congestion and reduce content delivery latency. This paper...
Ultra-Reliable and Low-Latency Communications Using Proactive Multi-cell Association
Attaining reliable communications traditionally relies on a closed-loop methodology but inevitably incurs a good amount of networking latency thanks to complicated feedback mechanism and signaling...
Fairness-Oriented User Association in HetNets Using Bargaining Game Theory
In this paper, the user association and resource allocation problem is investigated for a two-tier HetNet consisting of one macro Base Station (BS) and a number of pico BSs. The effectiveness of...
Rate Splitting, Superposition Coding and Binning for Groupcasting over the Broadcast Channel: A General Framework
A general inner bound is given for the discrete memoryless broadcast channel with an arbitrary number of users and general message sets, a setting that accounts for the most general form of...
Intelligent Scheduling and Power Control for Multimedia Transmission in 5G CoMP Systems: A Dynamic Bargaining Game
Intelligent terminals support a large number of multimedia, such as picture, audio, video, and so on. The coexistence of various multimedia makes it necessary to provide service for different...
Performance Analysis of NOMA in Training Based Multiuser MIMO Systems
This paper considers the use of NOMA in multiuser MIMO systems in practical scenarios where CSI is acquired through pilot signaling. A new NOMA scheme that uses shared pilots is proposed....
Analysis and Optimization of Successful Symbol Transmission Rate for Grant-free Massive Access with Massive MIMO
Grant-free massive access is an important technique for supporting massive machine-type communications (mMTC) for Internet-of-Things (IoT). Two important features in grant-free massive access are...
Non-Orthogonal Multiple Access (NOMA): How It Meets 5G and Beyond
Due to massive connectivity and increasing demands of various services and data-hungry applications, a full-scale implementation of the fifth generation (5G) wireless systems requires more...
Future of Ultra-Dense Networks Beyond 5G: Harnessing Heterogeneous Moving Cells
For the past 40 years, cellular industry has been relying on static radio access deployments with gross over-provisioning. However, to meet the exponentially growing volumes of irregular data, the...
Per-link Reliability and Rate Control: Two Facets of the SIR Meta Distribution
The meta distribution (MD) of the signal-to-interference ratio (SIR) provides fine-grained reliability performance in wireless networks modeled by point processes. In particular, for an ergodic...
Adaptive Neural Signal Detection for Massive MIMO
Symbol detection for Massive Multiple-Input Multiple-Output (MIMO) is a challenging problem for which traditional algorithms are either impractical or suffer from performance limitations. Several...
Fast Uplink Grant for NOMA: a Federated Learning based Approach
Recently, non-orthogonal multiple access (NOMA) technique have emerged and is being considered as a building block of 5G systems and beyond. In this paper, we focus on the resource allocation for...
Heterogeneous Networks with Power-Domain NOMA: Coverage, Throughput and Power Allocation Analysis
In a heterogeneous cellular network (HetNet), consider that a base station in the HetNet is able to simultaneously schedule and serve K users in the downlink by performing the power-domain...
Analytical Performance Evaluation of Beamforming Under Transceivers Hardware Imperfections
In this paper, we provide the mathematical framework to evaluate and quantify the performance of wireless systems, which employ beamforming, in the presence of hardware imperfections at both the...
3GPP-inspired HetNet Model using Poisson Cluster Process: Sum-product Functionals and Downlink Coverage
The growing complexity of heterogeneous cellular networks (HetNets) has necessitated a variety of user and base station (BS) configurations to be considered for realistic performance evaluation...