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02/20/2023
Two-Tier Multi-Rate Slotted ALOHA for OWC/RF-Based IoT Networks
We consider a massive Internet of Things (IoT) scenario where indoor IoT...
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09/22/2022
Relay-aided Slotted Aloha for Optical Wireless Communications
We consider a relay-aided Slotted ALOHA solution for uplink random acces...
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02/16/2022
Error Floor Analysis of Irregular Repetition ALOHA
With the rapid expansion of the Internet of Things, the efficient sharin...
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08/25/2020
Grant-Free Access: Machine Learning for Detection of Short Packets
In this paper, we explore the use of machine learning methods as an effi...
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04/29/2020
White Paper on Critical and Massive Machine Type Communication Towards 6G
The society as a whole, and many vertical sectors in particular, is beco...
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03/19/2020
Uncoordinated Grant-Free Radio Access via Diversity for Critical and Non-Critical IoT Services
Communication services with heterogeneous performance requirements are e...
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09/23/2019
Space Diversity-Based Grant-Free Random Access for Critical and Non-Critical IoT Services
In this paper, we study the coexistence of critical and non-critical Int...
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08/05/2019
Protograph LDPC Code Design for Asynchronous Random Access
This work addresses the physical layer channel code design for an uncoor...
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06/05/2019
Modern Random Access for Beyond-5G Systems: a Multiple-Relay ALOHA Perspective
Modern random access protocols are emerging as an efficient yet simple s...
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03/08/2019