To support the massive machine-type communications (mMTC) scenario for Internet of
Things (IoTs) applications featured by large-scale device connectivity and low device activity, …

… MTC traffic model in section II. Here, we also describe the processing at the MTC terminals
and the multiplexing of MTC … Subsequently, in Section III we state the non-coherent detection …

… Abstract—This paper addresses the joint user identification and channel … MTC network with
hierarchical user activity patterns following an event-triggered traffic mode. Therein the users …

… the access of massive machine-type communication (MTC) devices to the basestation [3].
mMTC focuses on the uplinkdominated communication of many MTC devices transmitting …

… , the machine-type communication (MTC) aims to support … multi-user detection (MUD)
scheme design for massive MTC (… for MTC users, where the temporal correlation of user activity …

… to the sporadic user activity in mMTC, joint user … users and a multi-antenna base station
(BS) under spatially correlated fading channels. In particular, by leveraging the sporadic user …

… to MTC networks. The current published surveys either focus on particular aspects of MTC or
do not cover the detection … Although the particularities of the MTC scenario inspired a lot of …

… Here, we discuss the decision rule for the user activity detector on the AMP output. Let us
examine the denoising function η(·) given in (9). Note that for any finite ϵ, ψ(θ (t) …

… In this paper, we consider a massive MTC scenario where multiple devices communicate
with a base station (BS). Without loss of generality, only n devices out of K devices have data to …

… Abstract—Machine-type communication (MTC) services are expected to be an integral part
… A key challenge of MTC, especially for the massive MTC (mMTC), is the detection of active …