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20122022
most citedExploiting Intelligent Reflecting Surfaces in NOMA Networks: Joint Beamforming Optimization

406 citations · 1.9k across the 24 of their papers we have counts for

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16 papers · 1 filter

cs.IT2022★ 3 cited

Joint Radar and Multicast-Unicast Communication: A NOMA Aided Framework

Xidong Mu, Yuanwei Liu, Li Guo +2

The novel concept of non-orthogonal multiple access (NOMA) aided joint radar and multicast-unicast communication (Rad-MU-Com) is investigated. Employing the same spectrum resource,…

cs.IT2021★ 131 cited

NOMA-Aided Joint Radar and Multicast-Unicast Communication Systems

Xidong Mu, Yuanwei Liu, Li Guo +2

The novel concept of non-orthogonal multiple access (NOMA) aided joint radar and multicast-unicast communication (Rad-MU-Com) is investigated. Employing the same spectrum resource,…

cs.IT2021★ 13 cited

Simultaneously Transmitting And Reflecting (STAR) RIS Aided Wireless Communications

Xidong Mu, Yuanwei Liu, Li Guo +2

The novel concept of simultaneously transmitting and reflecting (STAR) reconfigurable intelligent surfaces (RISs) is investigated, where the incident wireless signal is divided int…

cs.IT2021★ 212 cited

Intelligent Reflecting Surface Enhanced Multi-UAV NOMA Networks

Xidong Mu, Yuanwei Liu, Li Guo +2

Intelligent reflecting surface (IRS) enhanced multi-unmanned aerial vehicle (UAV) non-orthogonal multiple access (NOMA) networks are investigated. A new transmission framework is p…

cs.IT2020★ 139 cited

Capacity and Optimal Resource Allocation for IRS-assisted Multi-user Communication Systems

Xidong Mu, Yuanwei Liu, Li Guo +2

The fundamental capacity limits of intelligent reflecting surface (IRS)-assisted multi-user wireless communication systems are investigated in this paper. Specifically, the capacit…

cs.IT2019★ 61 cited

Energy-Constrained UAV Data Collection Systems: NOMA and OMA

Xidong Mu, Yuanwei Liu, Li Guo +2

This paper investigates unmanned aerial vehicle (UAV) data collection systems with different multiple access schemes, where a rotary-wing UAV is dispatched to collect data from mul…

cs.IT2019★ 65 cited

Non-Orthogonal Multiple Access for Air-to-Ground Communication

Xidong Mu, Yuanwei Liu, Li Guo +1

This paper investigates ground-aerial uplink non-orthogonal multiple access (NOMA) cellular networks. A rotary-wing unmanned aerial vehicle (UAV) user and multiple ground users (GU…

cs.IT2017★ 51 cited

Polar-Coded Non-Orthogonal Multiple Access

Jincheng Dai, Kai Niu, Zhongwei Si +2

Non-orthogonal multiple access (NOMA) is one of the key techniques to address the high spectral efficiency and massive connectivity requirements for the fifth generation (5G) wirel…

cs.IT2016★ 22 cited

Rate-Compatible Punctured Polar Codes: Optimal Construction Based on Polar Spectra

Kai Niu, Jincheng Dai, Kai Chen +3

Polar codes are the first class of constructive channel codes achieving the symmetric capacity of the binary-input discrete memoryless channels. But the corresponding code length i…

cs.IT2015

Does Gaussian Approximation Work Well for The Long-Length Polar Code Construction?

Jincheng Dai, Kai Niu, Zhongwei Si +2

Gaussian approximation (GA) is widely used to construct polar codes. However when the code length is long, the subchannel selection inaccuracy due to the calculation error of conve…

cs.IT2013★ 3 cited

Space-Time Polar Coded Modulation

Kai Chen, Kai Niu, Jiaru Lin

The polar codes are proven to be capacity-achieving and are shown to have equivalent or even better finite-length performance than the turbo/LDPC codes under some improved decoding…

cs.IT2013

Polar Coded HARQ Scheme with Chase Combining

Kai Chen, Kai Niu, Zhiqiang He +1

A hybrid automatic repeat request scheme with Chase combing (HARQ-CC) of polar codes is proposed. The existing analysis tools of the underlying rate-compatible punctured polar (RCP…

cs.IT2013★ 1 cited

Low-Complexity Sphere Decoding of Polar Codes based on Optimum Path Metric

Kai Niu, Kai Chen, Jiaru Lin

Sphere decoding (SD) of polar codes is an efficient method to achieve the error performance of maximum likelihood (ML) decoding. But the complexity of the conventional sphere decod…

cs.IT2013★ 82 cited

A Hybrid ARQ Scheme Based on Polar Codes

Kai Chen, Kai Niu, Jiaru Lin

A hybrid automatic repeat request (HARQ) scheme based on a novel class of rate-compatible polar (\mbox{RCP}) codes are proposed. The RCP codes are constructed by performing punctur…

cs.IT2013★ 4 cited

Polar Coded Modulation with Optimal Constellation Labeling

Kai Chen, Kai Niu, Jiaru Lin

A practical -ary polar coded modulation (PCM) scheme with optimal constellation labeling is proposed. To efficiently find the optimal labeling rule, the search space is reduce…

cs.IT2012★ 219 cited

Improved Successive Cancellation Decoding of Polar Codes

Kai Chen, Kai Niu, Jia-Ru Lin

As improved versions of successive cancellation (SC) decoding algorithm, successive cancellation list (SCL) decoding and successive cancellation stack (SCS) decoding are used to im…