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MUSA Grant-Free Access Framework and Blind Detection Receiver

Guilherme Aquino, Tiago Barbosa, Marwa Chafii, Luciano Mendes, Abdul Abdul
2021 Journal of Communication and Information Systems  
Index Terms-Grant-free access, blind multi-user detection, MUSA, NOMA, successively interference cancellation, mMTC, deep neural network.  ...  Furthermore, MUSA introduces a grant-free transmission and a blind multi-user detection at the receiver, reducing the complexity on the transmit side.  ...  These premises are incompatible with a grant-free multiple access with blind detection.  ... 
doi:10.14209/jcis.2021.13 fatcat:4pgwkbztyfczxjfq5qg6znhu7e

Blind Multi-user Detection for Autonomous Grant-free High-Overloading MA without Reference Signal [article]

Zhifeng Yuan, Yuzhou Hu, Weimin Li, Jianqiang Dai
2017 arXiv   pre-print
In this paper, a novel blind multi-user detection(MUD) framework for autonomous grant-free high-overloading non-orthogonal multiple access is introduced in detail aimed at fulfilling the requirements of  ...  From the perspective of the transmitter side, pros and cons regarding diverse types of emerging grant-free transmission, particularly autonomous grant-free, are elaborated and presented in a comparative  ...  Blind Multi-user Detection for Autonomous Grant-free High-Overloading MA without Reference Signal However, it is much less efficient for irregular traffic such as event-driven non-periodic traffic [8]  ... 
arXiv:1712.02601v1 fatcat:k36xoadu4fgatayqe6r2jaiybq

Grant-free Non-orthogonal Multiple Access for IoT: A Survey [article]

Muhammad Basit Shahab, Rana Abbas, Mahyar Shirvanimoghaddam, Sarah J. Johnson
2019 arXiv   pre-print
To tackle this, grant-free access is needed, where mMTC devices can autonomously transmit their data over randomly chosen radio resources.  ...  autonomous and grant-free communication, where devices can transmit data whenever they need.  ...  device MUD Multi-user detection MUSA Multi-user shared access M2M Machine-to-machine NCMA Non-orthogonal coded multiple access NOCA Non-orthogonal coded access NOMA Non-orthogonal multiple  ... 
arXiv:1910.06529v1 fatcat:6ouywssbwjhm3nt5iz6px7h7oa

Blind Receive Beamforming for Autonomous Grant-Free High-Overloading Multiple Access [article]

Zhifeng Yuan, Weimin Li, Yuzhou Hu, Xun Yang, Hong Tang, Jianqiang Dai
2018 arXiv   pre-print
Although spatial combining has provided significant gains in conventional grant-based transmission, this technique is stuck in dilemma when it comes to autonomous grant-free transmission tailored for IoT  ...  grant-free (AGF) transmission.  ...  Revolutionary Autonomous Grant-Free (AGF) access [6] [7] [8] allowing UE transmission directly from idle state can extremely simplify the transmitter design and is tailored for IoT systems in mMTC and  ... 
arXiv:1805.07013v1 fatcat:auwceq3dbjhdhfpqzdxn3akgh4

Grant-Free Non-Orthogonal Multiple Access: A Key Enabler for 6G-IoT [article]

Rana Abbas, Tao Huang, Basit Shahab, Mahyar Shirvanimoghaddam, Yonghui Li, Branka Vucetic
2020 arXiv   pre-print
We present novel and promising results for deep learning (DL)-based techniques for joint user detection and decoding.  ...  In fact, grant-free access has been identified as a key medium access control technique for providing massive connectivity in machine type communications in cellular networks.  ...  Grant-Free Non-Orthogonal Multiple Access NOMA allows multiple users to share the different resources, e.g., time, frequency, and space, either through power domain multiplexing or code domain multiplexing  ... 
arXiv:2003.10257v1 fatcat:owtfsqzvsjgqfacacriw5z24uu

Uplink Grant-Free Access Solutions for URLLC services in 5G New Radio

Nurul Huda Mahmood, Renato Abreu, Ronald Bohnke, Martin Schubert, Gilberto Berardinelli, Thomas H. Jacobsen
2019 2019 16th International Symposium on Wireless Communication Systems (ISWCS)  
Further gains are possible, e.g., by using more advanced joint multi-user detection algorithms and multiple receive antennas to separate the superimposed signals.  ...  Grant-free (GF) random access, where the grant acquisition by the user prior to transmission is skipped, is proposed as a solution to reduce the access latency [4].  ...  This work has partly been performed in the framework of the Horizon 2020 project ONE-5G (ICT-760809) receiving funds from the European Union, and partly under the Academy of Finland 6Genesis Flagship (grant  ... 
doi:10.1109/iswcs.2019.8877253 dblp:conf/iswcs/MahmoodABSBJ19 fatcat:3ai5uh4smzeeljrykimtmmtmzy

Uplink Grant-Free Random Access Solutions for URLLC services in 5G New Radio [article]

Nurul Huda Mahmood, Renato Abreu, Ronald Böhnke, Martin Schubert, Gilberto Berardinelli, Thomas H. Jacobsen
2019 arXiv   pre-print
Grant-free random access, where channel resources are accessed without undergoing assignment through a handshake process, is proposed in 5G New Radio as an important latency reducing solution.  ...  For example, the proposed non-orthogonal multiple access scheme can support a normalized load of more than 1.5 users/slot at packet loss rates of 10^-5 - a significant improvement over the maximum supported  ...  This work has partly been performed in the framework of the Horizon 2020 project ONE-5G (ICT-760809) receiving funds from the European Union, and partly under the Academy of Finland 6Genesis Flagship (grant  ... 
arXiv:1904.05593v1 fatcat:l2h44khfivafjgp7u3hvk2fbla

Contention-based Grant-free Transmission with Extremely Sparse Orthogonal Pilot Scheme [article]

Zhifeng Yuan, Zhigang Li, Weimin Li, Yihua Ma
2021 arXiv   pre-print
The numerical results show that the proposed extremely sparse orthogonal pilot scheme significantly improves the performance in high-overloading grant-free scenario.  ...  The proposed sparse pilot is used to perform active user detection and estimate the spatial channel.  ...  Grant-free transmission allows UEs to transmit data payloads autonomously without the need to send scheduling request and wait for dynamic scheduling.  ... 
arXiv:2106.04172v1 fatcat:p6rj6j3adbb7tmdr3vfnt7tefm

A Tutorial on Decoding Techniques of Sparse Code Multiple Access [article]

Saumya Chaturvedi, Zilong Liu, Vivek Ashok Bohara, Anand Srivastava, Pei Xiao
2022 arXiv   pre-print
As an evolved variant of code division multiple access (CDMA), multiple users in SCMA are separated by assigning distinctive sparse codebooks (CBs).  ...  Sparse Code Multiple Access (SCMA) is a disruptive code-domain non-orthogonal multiple access (NOMA) scheme to enable future massive machine-type communication networks.  ...  In [137] , an acknowledgment feedback based user-to-CTU mapping was proposed for grant-free SCMA to decrease the collision probability. • SCMA for High Mobility Communications: With the rapid evolution  ... 
arXiv:2205.07456v1 fatcat:bws55xwqtjdnfb6hyvoynetv34

White Paper on Critical and Massive Machine Type Communication Towards 6G [article]

Nurul Huda Mahmood, Stefan Böcker, Andrea Munari, Federico Clazzer, Ingrid Moerman, Konstantin Mikhaylov, Onel Lopez, Ok-Sun Park, Eric Mercier, Hannes Bartz, Riku Jäntti, Ravikumar Pragada (+19 others)
2020 arXiv   pre-print
- How to tackle a disruptive rather than incremental joint design of a massively scalable waveform and medium access policy for global MTC connectivity?  ...  Impact on higher layers Impact on higher layers of grant-free When grant-free without any type of pre-assignment is employed, higher layers can be simplified without any connection state transition.  ...  Physical Layer Non-orthogonal PHY solutions State-of-the-art solutions for efficient grant-free access allow multiple devices to share the same physical time and frequency resource, relying on distinguishable  ... 
arXiv:2004.14146v2 fatcat:mekkaybbovghfnbqz5bbizceki

Enabling Technologies for Ultra-Reliable and Low Latency Communications: From PHY and MAC Layer Perspectives

Gordon J. Sutton, Jie Zeng, Ren Ping Liu, Wei Ni, Diep N. Nguyen, Beeshanga A. Jayawickrama, Xiaojing Huang, Mehran Abolhasan, Zhang Zhang, Eryk Dutkiewicz, Tiejun Lv
2019 IEEE Communications Surveys and Tutorials  
The paper evaluates the relevant PHY and MAC techniques for their ability to improve the reliability and reduce the latency.  ...  We provide a comprehensive discussion on physical (PHY) and medium access control (MAC) layer techniques that enable URLLC, addressing both licensed and unlicensed bands.  ...  Grant-free NOMA [125] Huawei lab trial Grant-free sparse code multiple access can significantly reduce the transmission latency in heavy overloading scenarios.  ... 
doi:10.1109/comst.2019.2897800 fatcat:jgaahgi27rev3ieyrisn2yvh5m

6G for Vehicle-to-Everything (V2X) Communications: Enabling Technologies, Challenges, and Opportunities [article]

Md. Noor-A-Rahim, Zilong Liu, Haeyoung Lee, M. Omar Khyam, Jianhua He, Dirk Pesch, Klaus Moessner, Walid Saad, H. Vincent Poor
2022 arXiv   pre-print
We are on the cusp of a new era of connected autonomous vehicles with unprecedented user experiences, tremendously improved road safety and air quality, highly diverse transportation environments and use  ...  Aiming for truly intelligent transportation systems, we envision that machine learning will play an instrumental role for advanced vehicular communication and networking.  ...  for a multi-user and multi-cell system.  ... 
arXiv:2012.07753v2 fatcat:u5edqsewbzgthlkgc3nooqmdo4

A Survey on Handover Management: From LTE to NR

Muhammad Tayyab, Xavier Gelabert, Riku Jantti
2019 IEEE Access  
, increased overheads due to frequent HO, high packet losses and bad user experience mostly in high-speed user equipment (UE) scenarios.  ...  INDEX TERMS Radio access mobility, cell selection, handover, LTE, 5G, NR, mobility enhancers.  ...  In this case, the UE receives a HO command to detect and access the target cell indicated in that command, without having received a measurement report from the UE [20] . D.  ... 
doi:10.1109/access.2019.2937405 fatcat:6lz3fh267ja7fnwm6q5wdxhnju

Application of Reinforcement Learning and Deep Learning in Multiple-Input and Multiple-Output (MIMO) Systems

Muddasar Naeem, Giuseppe De Pietro, Antonio Coronato
2021 Sensors  
., Multi-User MIMO and Massive MIMO) are the most promising 5G wireless communication systems technology due to their high system throughput and data rate.  ...  Second, potential RL and DL applications for different MIMO issues, such as detection, classification, and compression; channel estimation; positioning, sensing, and localization; CSI acquisition and feedback  ...  A BF algorithm based on online model-free RL approach SARSA is introduced in [73] to study the case of multi-target detection for a Ma-MIMO cognitive radar when the disturbance is unknown.  ... 
doi:10.3390/s22010309 pmid:35009848 pmcid:PMC8749942 fatcat:2w4th63dtrdyboa6rmhr5rcvja

Architecture and Protocol Support for Radio Resource Management (RRM) [chapter]

András Rácz, Norbert Reider, G√°bor Fodor, András Temesváry
2009 Internet and Communications  
The MME terminates the so called non-access stratum signaling protocols with the User Equipment (UE) and maintains the UE context such as the established Quality of Service of bearers, the security context  ...  Thereby the radio access network is exhibiting a distributed architecture without a central radio resource control functionality.  ...  As opposed to the pro-active scheme, the overload indication is a reactive scheme that indicates a high detected interference level on a specific resource block to neighbor eNode B(s).  ... 
doi:10.1201/9781420072112.ch4 fatcat:yirhn4faazhbtm3lekya2p7eve
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