In 5G, the required target for interruption time during a handover (HO) is 0 ms. However,
when a handover failure (HOF) occurs, the interruption time increases significantly to more …

For satisfying rapidly increasing data rates at hotspots and enhancing coverage in buildings,
small cells, such as femtocells, picocells, and microcells, are deployed in LTE-A. Femtocells …

A prominent growth in a wireless communication system provides a wide range of services
for a heterogeneous wireless network thus accomplishing user's needs. These real time …

The millimeter wave (mmWave) bands offer the possibility of orders of magnitude greater
throughput for fifth-generation (5G) cellular systems. However, since mmWave signals are …

In recent years, High-Speed Trains (HST) have been operating in many countries at a speed
of 360 km/h or more. Nowadays, more high-speed trains are being deployed rapidly …

Revolutionary drivers for 4G include a push toward universal wireless access and
ubiquitous computing through seamless personal and terminal mobility. One of the major …

Abstract The Heterogeneous Network is widely used in the Fifth Generation wireless
network to solve the problem of increasing demand on wireless communication. Femtocell …

Handover (HO), as a key aspect of mobility management, plays an important role in
improving network quality and mobility performance in mobile networks. Especially, in 5G …

Recently there has been much effort, in both academia and industry, to integrate a plethora
of wireless technologies in order to provide ubiquitous broadband access to mobile users …

With the rapid development of high-speed railway technology, its velocity is getting higher.
As an important part of high-speed railway wireless communication system, handover has …