Vehicular Massive Multiway Relay Networks Applying Graph-Based Random Access [PDF]
, 2015 Recent vehicular communications problems entail various aspects, such as rapidly changing topologies and large number of users. We consider massive uncoordinated multiway relay networks (mu-mRN) that can serve a massive number of users expecting to fully
Khoirul Anwar +3 more
core +1 more source
Resilience of Quantum Random Access Memory to Generic Noise [PDF]
PRX Quantum, 2020 Quantum random access memory (QRAM)--memory which stores classical data but allows queries to be performed in superposition--is required for the implementation of numerous quantum algorithms.
Connor T. Hann +3 more
semanticscholar +1 more source
Low Latency Random Access for Small Cell Toward Future Cellular Networks
IEEE Access, 2019 In future cellular networks, performance target includes not only increasing data rate, but also reducing latency. The current LTE-Advanced systems require four message exchanges in the random access and uplink transmission procedure, thus inducing high ...
Sundo Kim +5 more
doaj +1 more source
Modeling and Throughput Optimization of Multi-Gateway LoRaWAN
IEEE Access, 2023 Low power wide area network (LPWAN) technologies have become an integral part of Internet-of-Things (IoT) applications due to their ability to meet key requirements such as long range, low cost, massive device numbers, and low energy consumption.
Baoguo Yu +4 more
doaj +1 more source
Unsourced Random Access With Coded Compressed Sensing: Integrating AMP and Belief Propagation [PDF]
IEEE Transactions on Information Theory, 2020 Sparse regression codes with approximate message passing (AMP) decoding have gained much attention in recent times. The concepts underlying this coding scheme extend to unsourced random access with coded compressed sensing (CCS), as first demonstrated by
V. Amalladinne +4 more
semanticscholar +1 more source
Performance Enhancements for Asynchronous Random Access Protocols over Satellite
, 2011 In this paper, a novel enhancement of the well known ALOHA random access mechanism is presented which largely extends the achievable throughput compared to traditional ALOHA and provides significantly lower packet loss rates. The novel mechanism, called
Kissling, Christian, Christian Kissling
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Performance analysis of layered random beamforming OFMDA with feedback reduction [PDF]
, 2007 This paper presents a downlink performance analysis of a Layered Random Beamforming (LRB) - MIMO-OFDMA Physical Layer (PHY) with feedback reduction as applicable to future generation wireless communication systems.
Joe McGeehan +9 more
core +1 more source
Location-Based Unsourced Random Access
IEEE AccessWe propose a novel approach to Unsourced Random Access (URA) in which the encoding of each user’s message is associated with the user’s location.
Roshanak Soltani +3 more
doaj +1 more source
Detection Techniques for Massive Machine-Type Communications: Challenges and Solutions
IEEE Access, 2020 Massive machine-type communications (mMTC) is one of the key application scenarios of fifth generation (5G) and beyond cellular networks. Bringing the unique technical challenge of supporting a huge number of MTC devices (MTCD) in cellular networks, how ...
Roberto B. Di Renna +3 more
doaj +1 more source
Capacity analysis of reservation-based random access for broadband wireless access networks
, 2009 —In this paper we propose a novel model for the capacity analysis on the reservation-based random multiple access system, which can be applied to the medium access control protocol of the emerging WiMAX technology.
Vinel, A +11 more
core +1 more source