This article provides an overview of the signal processing techniques used to enhance
secrecy in the physical layer of multiantenna wireless communication systems. Motivated by …

In the past decade, cognitive radio and cooperative communication techniques have been
proposed in the literature for efficiently utilizing the radio resources. Cognitive radio is an …

With the remarkable progress of cooperative communication technology in recent years, its
transformation to vehicular networking is gaining momentum. Such a transformation has …

The widely accepted OFDMA air interface technology has recently been adopted in most
mobile standards by the wireless industry. However, similar to other frequency-time …

As an alternative to complex cryptographic techniques, PLS is emerging as a promising
paradigm to protect wireless communication systems from eavesdropping attacks by …

For cooperative systems, in which an eavesdropper overhears source information through
relays' transmission, an optimal relay selection (ORS) scheme has recently been proposed …

In the next‐generation wireless networks, cooperative communication is one of the
auspicious techniques through which spatial diversity could be achieved by permitting the …

Abstract Wireless Sensor Networks (WSN) pose several problems in terms of scalability and
energy consumption. Many of them have been treated in the literature by means of …

Cooperative communication (CC) has been introduced as an effective technique to combat
the detrimental effects of channel fading by exploiting spatial diversity gain, resulting in …

Network Coding (NC) can significantly help increase the efficient use of network resources.
However, directly applying NC to wireless networks is not an effective design solution …