Results 51 to 60 of about 194,846 (171)

Jointly Sparse Support Recovery via Deep Auto-encoder with Applications in MIMO-based Grant-Free Random Access for mMTC

, 2020
In this paper, a data-driven approach is proposed to jointly design the common sensing (measurement) matrix and jointly support recovery method for complex signals, using a standard deep auto-encoder for real numbers.
Cui, Ying, Li, Shuaichao, Zhang, Wanqing
core   +1 more source

Augmented LoRa Modulation for the Massive Internet of Things

IEEE Access
The communication device or transceiver under the massive Internet of Things (IoT) paradigm is characterized by the following essential aspects: 1) resource efficiency, 2) energy efficiency, 3) implementation efficiency, and 4) coverage.
Lei Wang, Michael M. Wang, Jingjing Zhang   +2 more
doaj   +1 more source

Overload Control for Signaling Congestion of Machine Type Communications in 3GPP Networks. [PDF]

PLoS ONE, 2016
Because of the limited resources on radio access channels of third generation partnership projection (3GPP) network, one of the most challenging tasks posted by 3GPP cellular-based machine type communications (MTC) is congestion due to massive requests ...
Zhaoming Lu, Qi Pan, Luhan Wang, Xiangming Wen   +3 more
doaj   +1 more source

Multi-Connectivity in 5G and Beyond Non-Terrestrial Networks

Journal of Communications Software and Systems, 2022
The Fifth Generation (5G) communications systems aim to serve such service classes as Ultra-Reliable Low Latency Communications (URLLC), enhanced Mobile Broadband (eMBB), and massive Machine-Type Communications (mMTC).
Mikko Majamaa, Henrik Martikainen, Lauri Sormunen, Jani Puttonen   +3 more
doaj   +1 more source

Improved Compressed Sensing-Based Joint User and Symbol Detection for Media-Based Modulation-Enabled Massive Machine- Type Communications

IEEE Access, 2020
Media-Based Modulation (MBM) is regarded as a promising technique for future massive machine-type communications (mMTC) due to its high energy/spectral efficiency, good error performance and low-complexity radio frequency hardware implementation. In this
Xiangxue Ma, Shuaishuai Guo, Dongfeng Yuan   +2 more
doaj   +1 more source

Data Aggregation and Packet Bundling of Uplink Small Packets for Monitoring Applications in LTE

, 2017
In cellular massive Machine-Type Communications (MTC), a device can transmit directly to the base station (BS) or through an aggregator (intermediate node).
Kim, Dong Min, Mahmood, Kashif, Popovski, Petar, Sørensen, René B., Zanella, Andrea, Østerbø, Olav Norvald   +5 more
core   +1 more source

Data Aggregation in Massive Machine Type Communication: Challenges and Solutions [PDF]

IEEE Access, 2019
Machine type communication (MTC) is a fundamental technology to realize the concept of fully connected world in fifth generation (5G) Internet of Things (IoT). The massive roll out of the MTC devices is a serious challenge for cellular networks from operational and management perspective, including massive access and network congestion.
Tabinda Salam, Waheed ur Rehman, Xiaofeng Tao   +2 more
openaire   +2 more sources

Towards Massive Connectivity Support for Scalable mMTC Communications in 5G Networks

IEEE Access, 2018
The fifth generation of cellular communication systems is foreseen to enable a multitude of new applications and use cases with very different requirements.
Carsten Bockelmann, Nuno K. Pratas, Gerhard Wunder, Stephan Saur, Monica Navarro, David Gregoratti, Guillaume Vivier, Elisabeth De Carvalho, Yalei Ji, Cedomir Stefanovic, Petar Popovski, Qi Wang, Malte Schellmann, Evangelos Kosmatos, Panagiotis Demestichas, Miruna Raceala-Motoc, Peter Jung, Slawomir Stanczak, Armin Dekorsy   +18 more
doaj   +1 more source

Random Access Protocols for Massive MIMO

, 2017
5G wireless networks are expected to support new services with stringent requirements on data rates, latency and reliability. One novel feature is the ability to serve a dense crowd of devices, calling for radically new ways of accessing the network ...
Björnson, Emil, de Carvalho, Elisabeth, Larsson, Erik G., Popovski, Petar, Sørensen, Jesper H.   +4 more
core   +1 more source

Who is investing in machine-to-machine communications? [PDF]

, 2013
Machine-to-Machine (M2M) communications refers to the automate exchange of information between devices for control and monitoring applications. This type of communication is not new since automated systems have been present for more than three decades ...
Bratu, Vlad-loan, Laya, Andres, Markendahl, Jan   +2 more
core