Modern random access avoids scheduling overheads and greatly improves the transmission
efficiency of small packets. The major challenge is the random collision, and slotted ALOHA …

Random access (RA) has recently been revisited and considered as a key technology for
the medium access control layer of the Internet of Things applications. Compared to other …

Compared to the traditional orthogonal multiple access, non-orthogonal multiple access
(NOMA) technology can achieve higher spectrum efficiency and support more massive …

Uplink non-orthogonal multiple access (NOMA) is a promising technique to meet the
requirements of the fifth generation (5G) and beyond systems. Various NOMA schemes have …

The aim of this chapter is to focus on NOMA, which is a promising technology that can
address the key challenges of 5G communications. NOMA allows multiple users to share the …

This letter proposes a priority access (PA) in non-orthogonal multiple access (NOMA)-based
slotted ALOHA (SA)(PA-NOMA-SA) for overload 6G massive Internet of Things (IoT). First, a …

Internet of Things (IoT) networks require massive connections in dense areas. Therefore, a
resource-efficient multiple access scheme seems inevitable to enable immense connectivity …

Being able to accommodate multiple simultaneous transmissions on a single channel, non-
orthogonal multiple access (NOMA) appears as an attractive solution to support massive …

Non-orthogonal multiple access (NOMA) is one promising technology, which provides high
system capacity, low latency, and massive connectivity, to address several challenges in the …

This paper propose a Modulation based Non Orthogonal Multiple Access (M-NOMA) and
Modulation based cooperative NOMA (CM-NOMA) which greatly enhances the performance …