The expected huge number of connected devices in Internet of Things (IoT) applications
characterizes the massive machine-type communication (mMTC) scenario, one prominent …

In this paper, we propose a power back-off based non-orthogonal random access (NORA)
scheme for massive machine-type communications (mMTC) networks. Specifically, by …

Massive machine-type communications (mMTC) are expected to be one of the most primary
scenarios in the next-generation wireless communications and provide massive connectivity …

To reduce the signaling overhead for sporadic small packet transmission in massive
Machine Type Communications (mMTC), Packet-Based Random Access (PBRA) scheme is …

In this paper, a successive interference cancellation (SIC) aided K-repetition scheme is
proposed to support contention-based mission-critical machine-type communication (MTC) …

With the rapid development of 5G, massive machine-type communication is expected to
experience significant growth, leading to severe random access collisions. To address this …

Support massive connectivity is an important requirement in 5G wireless communication
system. For massive Machine Type Communication (MTC) scenario, since the network is …

A grant-free access (GFA) is considered as a promising solution for realizing massive
connectivity with reduced signal overhead and latency in massive machine type …

In this article, a Co-existing Preamble and Data (CoPD) random access approach for
machine-type communications (MTC) is proposed and studied in massive multiple input …

Recently, a novel spreading based non-orthogonal multiple access (NOMA) scheme named
coded tandem spreading multiple access (CTSMA) is proposed for grant-free random …