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COOPERATIVE COMMUNICATION WITH SCHEME SELECTION
 
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Department of Computer Engineering, Islamic Azad University, Arak Branch, Arak, Iran.
 
 
Data publikacji: 01-06-2016
 
 
Autor do korespondencji
Seyed Vahid Mortezavi Zadeh   

Department of computer engineering, Islamic Azad University, Arak Branch, Arak, Iran., Tehran, Iran, 1183834652 Tehran, Iran
 
 
Adv. Sci. Technol. Res. J. 2016; 10(30):19-23
 
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STRESZCZENIE
In this paper, a new cooperation scheme is provided that implements the advantages of both DF and AF schemes to enhance the performance in wireless networks. We suppose that nodes can access to the channel information and based on this, the cooperation scheme is selected and applied. This algorithm is repeated when channel states have an effective variety. We apply this strategy to a single relay system with square MQAM signals where optimum power allocation is employed. Simulations and comparisons verify that symbol-error-rate (SER) performance can be improved properly.
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