Relay Selection for Multi-Destination: Cooperative Networks- Matlab Coding & Simulation Assignment

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Internal Code: TV139

Matlab Coding & Simulation Assignment:

Relay selection is one of the major factors involved in cooperative wireless networks. In cooperative communication
networks, multiple relay terminals are allocated to help a sender in forwarding its message to its destination, therefore providing full spatial diversity by enabling user nodes to contribute their antennas and create a virtual antenna array. Recent evolutions in the scope of cooperative networks have led to the current interest in relay selection techniques [1]–[3].

Cooperative communication not only enhances the through- put and reliability of wireless communications, but it also has great potential to improve wireless security against any attack from eavesdroppers. Physical layer security takes advantage of the physical features of wireless channels, to inhibit the eavesdropper from overhearing information sent from a sender to an intended receiver [4]–[7]. Numerous studies have contributed to using relay selection techniques for improving physical layer security. Zou, in his research [8], posited the concept of optimal relay selection for physical layer security in cooperative wireless networks with multiple helpers. The researchers analysed this scenario under two conditions: optimal relay selection with amplify-and-forward (AF) and decode-and-forward (DF) protocols, for the intend of comparison, they study the traditional AF and DF schemes by using relay selection technique, they also examine AF and DF types by utilising multiple relay combining MRC mechanism, where multiple relays share in forwarding the source information to destination which then combines its received message from the multiple relays. they used closed- form to derived outage probability expressions of the all schemes in the presence of eavesdropper, furthermore they analysed an asymptotic outage probability to estimate the
performance of relay selection schemes improve the diversity. Moreover, their results display that for their optimal DF and AF rely selection schemes, the outage probability performance is better than both the traditional relay selection techniques and multiple relay combining schemes. However, the researchers considered only a single relay destination link as well as a single relay eavesdropper link for the performance analysis of their system.

1- matlab codes and simulation for results of outage probability and Asymptotic outage probability

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2-  Do the same thing with different assumption where 3, instead of 2, destinations and relays are used. Equations that you need are  in paper. if you need any further explanation, please send me an email

i would like you kindly to do the following: 1- matlab code and simulation for figure 3 and 4 in pages 4 and 5 respectively. calculate outage probability and asymptotic outage probability with signal noise ration ( as shown in the attached paper). 2- matlab code and simulation for the same figures but instead consider 3 relays and 3 destinations. calculate outage probability and asymptotic outage probability with signal noise ration (based on the information on the paper).

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