Massive machine-type communications (mMTC) is one of the main three focus areas in the
5th generation (5G) of wireless communications technologies to enable connectivity of a …

Driven by the explosive data traffic and new quality of service requirement of mobile users,
the communication industry has been experiencing a new evolution by means of network …

Non-orthogonal multiple access (NOMA) can support more users than OMA techniques
using the same wireless resources, which is expected to support massive connectivity for …

We consider a sporadic ultra-reliable and low latency communications in the uplink 5G
cellular systems. Reliable low latency access for randomly emerging packet transmission …

Abstract The Sixth-Generation (6G) standard for wireless communications is expected to
realize ubiquitous coverage for massive Internet of Things (IoT) networks by 2030. Satellite …

Future wireless networks need to support massive machine type communication (mMTC)
where a massive number of devices accesses the network and massive MIMO is a …

This paper considers sparse device activity detection for cellular machine-type
communications with non-orthogonal signatures using the approximate message passing …

5G wireless systems will extend mobile communication services beyond mobile telephony,
mobile broadband, and massive machine-type communication into new application …

To support massive connectivity for sporadically active devices is a challenging task, as the
randomness of the channel and the large number of users lead to enormous increase of …

Wireless communication systems to date primarily rely on the orthogonality of resources to
facilitate the design and implementation, from user access to data transmission. Emerging …