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The outage behavior of a dual-hop multi-source multi-relay cooperative communication network is investigated. With the presence of multiple cochannel interferers at both the relays and destination, we propose a signal-to-interference-plus-noise ratio based scheme for the combined use of cooperative diversity and multiuser diversity. Firstly, the best source node with the highest direct-link signal-to-interference-plus-noise...
In cooperative wireless networks, relay selection plays a significant role in the system performance. In this paper, with the presence of interferences, we firstly propose two relay selection protocols according to the forms of the interferences. Then considering that the interference caused by the selected relay has an effect on other transmissions, a threshold based relay selection protocol is proposed...
In this letter, as multiple interferers have an effect on both the relays and the destination, the exact outage probabilities for the decode-and-forward (DF) opportunistic relaying are derived in three different cases: a) with selection combining (SC) deployed at the destination, b) with maximal ratio combining (MRC) deployed at the destination, and c) with hybrid selection and maximal ratio combining...
Minimizing the total transmission power is one of the main objectives of efficient broadcast algorithms in wireless networks, where all nodes are powered by battery with limited energy supply. Cooperative transmission is an important way to make full use of the space diversity and can save the transmission power significantly, especially in the wireless broadcast transmission, where the nodes can...
In cooperative wireless networks, it is often the case that multi-source and multi-relay cooperate to transmit their own data to the destination, namely, the access point. For the cooperative systems, the choice of relay and the allocation of power between the source and the relay are important design issues. In this paper, based on the optimal power allocation between one source and one relay under...
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