Channel coding plays a pivotal role in ensuring reliable communication over wireless
channels. With the growing need for ultra-reliable communication in emerging wireless use …

Direct spread spectrum communication has the advantages of strong anti-jamming ability
and low probability of interception, which plays an essential role in both civil and military …

This paper considers the joint device activity detection and channel estimation problem in a
massive Internet of Things (IoT) connectivity system, where a large number of IoT devices …

The upcoming 6G wireless networks have to provide reliable communications in high-
mobility scenarios at high carrier frequencies. However, high-mobility or high carrier …

Radio signal recognition has a wide application in future communication systems and the
vehicular communication, whose core is the extraction of signal features such as …

Handover authentication in high mobility scenarios is characterized by frequent and short-
term parallel execution. Moreover, the penetration loss and Doppler frequency shift caused …

Grant-free non-orthogonal multiple access (GF-NOMA) is considered as an important
technology in massive machine-type communications. In this paper, we study the multiuser …

This book focuses on the receiver design issue in high spectral efficiency communication
systems, which is one of the main research directions in beyond 5G and 6G era. In …

The massive machine-to-machine communication (mM2M) has led to several research
challenges in 5G cellular Internet-of-Things (IoT). Here, radio access network congestion is …

Orthogonal time frequency space (OTFS) has been a potential option for high-mobility
communication scenarios due to its strong Doppler resilience. In our previous work …