32 Hits in 3.6 sec

Non-orthogonal HARQ for URLLC Design and Analysis [article]

Faisal Nadeem, Mahyar Shirvanimoghaddam, Yonghui Li, Branka Vucetic
2021 arXiv   pre-print
The fifth-generation (5G) of mobile standards is expected to provide ultra-reliability and low-latency communications (URLLC) for various applications and services, such as online gaming, wireless industrial  ...  The reliability and delay analysis of the proposed N-HARQ in the finite block length (FBL) regime shows very high performance gain in packet delivery delay over conventional HARQ in both additive white  ...  We propose a novel HARQ scheme that is based on nonorthogonal retransmissions and is suitable for delay-sensitive applications.  ... 
arXiv:2106.16144v1 fatcat:ixu6f5jqaravni4eign5rctqge

Reliability and User-Plane Latency Analysis of mmWave Massive MIMO for Grant-Free URLLC Applications [article]

Joao V. C. Evangelista and Georges Kaddoum and Zeeshan Sattar
2021 arXiv   pre-print
with reactive and K-repetition hybrid automatic repeat request (HARQ) protocols.  ...  We derive closed-form approximate expressions for the latent access failure probability and validate them using numerical simulations.  ...  Long-term evolution (LTE) and prior networks were not designed with such constraints in mind.  ... 
arXiv:2107.08151v1 fatcat:zreriq36uveilge37f7athukbm

URLLC for 5G and Beyond: Requirements, Enabling Incumbent Technologies and Network Intelligence

Rashid Ali, Yousaf Bin Zikria, Ali Kashif Bashir, Sahil Garg, Hyung Seok Kim
2021 IEEE Access  
For this purpose, contention-free and contention-based nonorthogonal multiple access (NOMA) mechanism for MAC-RA is proposed, which exploits the benefits of nonorthogonal signal superposition [30] .  ...  design in singular value decomposition based HARQ feedback.  ...  .: URLLC for 5G and Beyond SAHIL GARG received the Ph.D. degree from the Thapar Institute of Engineering and Technology, Patiala, India, in 2018.  ... 
doi:10.1109/access.2021.3073806 fatcat:7ngx3ah5vzdyvcz4nkd2vvdyjy

Coexistence Mechanism between eMBB and uRLLC in 5G Wireless Networks

Anupam Kumar Bairagi, Md. Shirajum Munir, Madyan Alsenwi, Nguyen H. Tran, Sultan S Alshamrani, Mehedi Masud, Zhu Han, Choong Seon Hong
2020 IEEE Transactions on Communications  
Latency and reliability are major concerns for uRLLC applications, whereas eMBB services claim for the maximum data rates.  ...  Finally, the significance of the proposed approach over other baseline approaches is established through numerical analysis in terms of the MEAR and fairness scores of the eMBB UEs.  ...  Most of the studies mainly focus on analysis, system-level design or framework. Thus, efficient coexistence proposals between eMBB and uRLLC traffic are needed in the literature.  ... 
doi:10.1109/tcomm.2020.3040307 fatcat:geuykjfjljewzpfuuuiwxeueqi

Multicast eMBB and Bursty URLLC Service Multiplexing in a CoMP-Enabled RAN [article]

Peng Yang, Xing Xi, Yaru Fu, Tony Q. S. Quek, Xianbin Cao, Dapeng Wu
2020 arXiv   pre-print
We also design a prototype for the CoMP-enabled RAN slicing system incorporating with multicast eMBB and bursty URLLC traffic and compare the proposed iterative algorithm with the state-of-the-art algorithm  ...  This paper is concerned with slicing a radio access network (RAN) for simultaneously serving two typical 5G and beyond use cases, i.e., enhanced mobile broadband (eMBB) and ultra-reliable and low latency  ...  ), and hybrid automatic repeat request (HARQ) options [4] .  ... 
arXiv:2002.09194v1 fatcat:wpx3d2sjxnb25gpkldrusdnjke

Ultra-reliable and low-latency communications: applications, opportunities and challenges

Daquan Feng, Lifeng Lai, Jingjing Luo, Yi Zhong, Canjian Zheng, Kai Ying
2021 Science China Information Sciences  
However, the two stringent requirements of URLLC: extremely low latency and ultra-strict reliability have posed great challenges in system designing.  ...  In this article, the basic concepts and the potential applications of URLLC are first introduced.  ...  In particular, enabling more than one PUCCH for HARQ-ACK transmission within a slot can provide the fast HARQ-ACK feedback to reduce the latency and support the separated HARQ-ACK feedbacks for URLLC and  ... 
doi:10.1007/s11432-020-2852-1 fatcat:xlpvhebcw5awrn3laloo537fda

Performance Analysis and Optimization of NOMA with HARQ for Short Packet Communications in Massive IoT [article]

Fatemeh Ghanami, Ghosheh Abed Hodtani, Branka Vucetic, Mahyar Shirvanimoghaddam
2020 arXiv   pre-print
A simple yet efficient dynamic cell planning is also designed for the uncoordinated scenario.  ...  The system performance is evaluated for both coordinated and uncoordinated transmissions.  ...  The analysis and design are based on the infinitely long block length assumption.  ... 
arXiv:2010.00708v1 fatcat:ohucrj25xzavvce4ykj5ho23ta

Table of contents

2021 IEEE Internet of Things Journal  
Deng 17584 Nonorthogonal HARQ for URLLC: Design and Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ...  Dai, andT.Wu 17290 Federated Learning With Unreliable Clients: Performance Analysis and Mechanism Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ... 
doi:10.1109/jiot.2021.3123485 fatcat:xjw64poe75dnrnwgexupd67eky

Table of contents

2021 IEEE Internet of Things Journal  
Special Issue on Age of Information and Data Semantics for Sensing, Communication, and Control Co-Design in IoT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S.  ...  Verikoukis 14756 Intelligent Hybrid Nonorthogonal Multiple Access Relaying for Vehicular Networks in 6G . . . . . . . . . . . . . . . . . . . . . . .  ... 
doi:10.1109/jiot.2021.3107070 fatcat:buph2qt5xvfkfdmsu24yucyxi4

Guest Editorial Massive Access for 5G and Beyond—Part I

Xiaoming Chen, Derrick Wing Kwan Ng, Wei Yu, Erik G. Larsson, Naofal Al-Dhahir, Robert Schober
2021 IEEE Journal on Selected Areas in Communications  
This Special Issue (SI) of the IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS (JSAC) on Massive Access for 5G and Beyond contains the latest results of researchers, industry practitioners, and individuals  ...  Due to the extremely high response to the Call for Papers, this SI is split into two parts.  ...  Using the developed modeling schemes, a closed-form solution for the optimal rate adaptation policy for each mobile user is obtained, which plays an important role in system design and performance analysis  ... 
doi:10.1109/jsac.2020.3018975 fatcat:wkfhqnwtwjemdg7l2yjvisu3sq

Comprehensive Study and Comparison on 5G NOMA Schemes

Zhanji Wu, Kun Lu, Chengxin Jiang, Xuanbo Shao
2018 IEEE Access  
Comprehensive simulations are carried out for the block-error-rate performance evaluation of these NOMA schemes as well, which coincide with the theoretical analysis.  ...  By comparing the performance of these technologies, some promising schemes and directions are suggested for the future 5G NOMA development.  ...  indicators (KPIs) for eMBB, mMTC and URLLC [5] , respectively.  ... 
doi:10.1109/access.2018.2817221 fatcat:iul7gi2xrjc45mdhg55owlcjvy

Non-orthogonal Interleave-Grid Multiple Access Scheme for Industrial Internet-of-things in 5G Network

Su Hu, Bin Yu, Chen Qian, Yue Xiao, Qi Xiong, Chengjun Sun, Yuan Gao
2018 IEEE Transactions on Industrial Informatics  
Nonorthogonal multiple access (NoMA) has been recognized as one of the enabling technologies for IIoT in 5G network.  ...  Index Terms-5G, Industrial Internet of Things (IIoT), interleave, nonorthogonal multiple access (NoMA), user overloading.  ...  The detailed transmit-side design including bit-level and/or symbol-level processing will be discussed along with the related procedure design, e.g., hybrid automatic repeat request (HARQ) process, link  ... 
doi:10.1109/tii.2018.2858142 fatcat:nq25vbysonbdhh223h6u62obwu

A Classification of the Enabling Techniques for Low Latency and Reliable Communications in 5G and Beyond: AI-Enabled Edge Caching

Lilian C. Mutalemwa, Seokjoo Shin
2020 IEEE Access  
The design and feasibility of grant-free access for uplink URLLC were also investigated in [56] .  ...  Furthermore, it was shown that the data collision could be handled by the use of HARQ design with acknowledgment for early termination.  ... 
doi:10.1109/access.2020.3037357 fatcat:khkeuvo6ujanhp42y2k372n5u4

Analysis of Power Allocation for NOMA-Based D2D Communications Using GADIA

Husam Rajab, Fatma Benkhelifa, Tibor Cinkler
2021 Information  
The two extremes are, on the one hand, the 5G Ultra-Reliable Low-Latency Communications (URLLC) required for Industrial IoT (IIoT) and Vehicle Communications (V2V, V2I, V2X).  ...  The new era of IoT brings the necessity of smart synergy for diverse communication and computation entities.  ...  Budapest University of Technology and Economics.  ... 
doi:10.3390/info12120510 fatcat:v3o5bpzclvbfnoof5e3dgujpmq

Non-Orthogonal Multiplexing of Ultra-Reliable and Broadband Services in Fog-Radio Architectures [article]

Rahif Kassab, Osvaldo Simeone, Petar Popovski, Toufiqul Islam
2018 arXiv   pre-print
for URLLC transmitters, rate adaptation for eMBB transmitters, finite fronthaul capacity, and different coexistence strategies, such as puncturing.  ...  Both uplink and downlink are analyzed by accounting for the heterogeneous performance requirements of eMBB and URLLC traffic and by considering practical aspects such as fading, lack of channel state information  ...  Throughout the analysis, we focus our attention on the analysis of eMBB and URLLC traffic that occupies the frame shown in Fig. 2 .  ... 
arXiv:1809.01399v2 fatcat:xszauetspzeadid2iz4mldhrgy
« Previous Showing results 1 — 15 out of 32 results