Performance of selection combining in cooperative relaying networks over Rayleigh fading channel

Author(s):  
Salama Ikki ◽  
Mohamed H. Ahmed
Author(s):  
Phu Tran Tin ◽  
Duy-Hung Ha ◽  
Q. S. Vu ◽  
Tran Thanh Trang

<p><span>In this </span><span lang="EN-GB">research</span><span>, we present and investigate the system performance analysis in terms of the outage probability (OP) and ergodic capacity (EC) of the Full-duplex (FD) relaying networks via double Rayleigh fading channel. In this system model, we propose the power splitting (PS) protocol for the vehicular communications network. Firstly, we analyze and derive the integral form of the system OP and EC. Then, the correctness of the OP and EC expressions are verified by the Monte Carlo simulation. Finally, we can see that the analytical and the simulation results are matched with each other in the connection with the main system parameter.</span></p>


Electronics ◽  
2020 ◽  
Vol 9 (3) ◽  
pp. 428
Author(s):  
Ngo Hoang An ◽  
Minh Tran ◽  
Tan N. Nguyen ◽  
Duy-Hung Ha

In this paper, the system performance of a hybrid time–power splitting relaying (TPSR) two-way half-duplex (HD) relaying network over a Rayleigh fading channel is investigated in terms of the outage probability (OP) and intercept probability (IP). The proposed model has two sources, A and B, which communicate with each other with the help of an intermediate relay (R) under the presence of an eavesdropper (E). The physical layer security (PLS) was considered in this case. Firstly, we derived the closed-form expressions of the exact and asymptotic IP in two cases, using MRC (maximal ratio combining) and SC (selection combining) techniques. The closed-form expressions of the system OP was then analyzed and derived. All the analytical expressions of the OP and IP of the system model were verified by a Monte Carlo simulation in connection with all the main system parameters. In the research results, the analytical and simulation values were in total agreement, demonstrating the correctness of the system performance analysis.


2020 ◽  
Vol 9 (1) ◽  
pp. 256-264
Author(s):  
Phu Tran Tin ◽  
Minh Tran ◽  
Tran Thanh Trang

Non-orthogonal multiple access (NOMA) with advantages such as superior spectral efficiency has been considered as a promising multiple access technique for the fifth-generation (5G) mobile networks. In this research, we propose energy harvesting (EH) NOMA system relaying network over Rayleigh fading channel using selection combining at the receiver. Firstly, we investigate the system performance in terms of the closed-form expression of the outage probability (OP). Here we compare the OP of two destination users of the proposed system. Finally, all the results is convinced by the Monte Carlo simulation. From the results, we can confirm that all the analytical and simulation results are the same in connection with the primary system parameters.


Sensors ◽  
2020 ◽  
Vol 20 (4) ◽  
pp. 1165 ◽  
Author(s):  
Phu Tran Tin ◽  
Tan N. Nguyen ◽  
Minh Tran ◽  
Tran Thanh Trang ◽  
Lukas Sevcik

Relay communication, in which the relay forwards the signal received by a source to a destination, has a massive consideration in research, due to its ability to expand the coverage, increase the capacity, and reduce the power consumption. In this paper, we proposed and investigated energy harvesting (EH) based two-way half-duplex (TWHD) relaying sensors network using selection combining (SC) over block Rayleigh fading channel. In this model, we proposed the direct link between two sources for improving the system performance. For the system performance analysis, we investigated and derived the closed-form of the exact and upper bound Ergodic capacity (EC) and the exact form of the symbol error ratio (SER). By using the Monte Carlo simulation, the correctness of the research results is verified in the influence of the main system parameters. From the discussions, we can see that the analytical and simulation agree well with each other.


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