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- Tsinghua UniversityCN44 papers
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18 papers · 2 filters
A High Throughput Pilot Allocation for M2M Communication in Crowded Massive MIMO Systems
Huimei Han, Xudong Guo, Ying Li
A new scheme to resolve the intra-cell pilot collision for M2M communication in crowded massive multiple-input multiple-output (MIMO) systems is proposed. The proposed scheme permi…
Physical Layer Security-Aware Routing and Performance Tradeoffs in Ad Hoc Networks
Yang Xu, Jia Liu, Yulong Shen +2
The application of physical layer security in ad hoc networks has attracted considerable academic attention recently. However, the available studies mainly focus on the single-hop…
On Performance Modeling for MANETs under General Limited Buffer Constraint
Jia Liu, Yang Xu, Yulong Shen +2
Understanding the real achievable performance of mobile ad hoc networks (MANETs) under practical network constraints is of great importance for their applications in future highly…
Effects of Base-Station Spatial Interdependence on Interference Correlation and Network Performance
Juan Wen, Min Sheng, Kaibin Huang +1
The spatial-and-temporal correlation of interference has been well studied in Poisson networks where the interfering base stations (BSs) are independent of each other. However, the…
Convergence Analysis and Assurance for Gaussian Message Passing Iterative Detector in Massive MU-MIMO Systems
Lei Liu, Chau Yuen, Yong Liang Guan +2
This paper considers a low-complexity Gaussian Message Passing Iterative Detection (GMPID) algorithm for massive Multiuser Multiple-Input Multiple-Output (MU-MIMO) system, in which…
Modeling and Analysis of SCMA Enhanced D2D and Cellular Hybrid Network
Junyu Liu, Min Sheng, Lei Liu +2
Sparse code multiple access (SCMA) has been recently proposed for the future wireless networks, which allows non-orthogonal spectrum resource sharing and enables system overloading…