To satisfy the high data demands in future cellular networks, an ultra-densification approach
is introduced to shrink the coverage of base station (BS) and improve the frequency reuse …

The fifth generation (5G) network is expected to support significantly large amount of mobile
data traffic and huge number of wireless connections, to achieve better spectrum-and …

In future wireless networks, a significant number of users accessing wireless broadband will
be vehicular (ie, in public transportation vehicles like buses, trams, or trains). The Third …

Wireless systems increasingly rely on the accurate knowledge at the transmitter side of the
transmitter-to-receiver propagation channel, to optimize the transmission adaptively. Some …

A high-speed railway system equipped with moving relay stations placed on the middle of
the ceiling of each train wagon is investigated. The users inside the train are served in two …

In future wireless systems, a large number of users may access the networks via moving
relays (MRs) installed on top of vehicles. One of the main challenges of MRs is rapid …

Predicting the channel between a massive multiple input multiple output antenna and a car
is a challenge, due to the short-term fading. It becomes essentially impossible by …

We consider channel estimation for high-speed railway communication systems, where both
the transmitter and the receiver are equipped with large-scale antenna arrays. It is known …

In a high‐speed vehicular scenario, due to vehicle penetration loss (VPL) and fast signal
fluctuations, frequent handovers occur, which results in more battery consumption. So power …

The demand of high data rate, high quality of service (QoS), and seamless connectivity are
growing continuously for vehicular communication over the last few years. Moving relay …