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In cognitive radio networks (CRNs), owing to the restriction of primary users (PUs), the traditional relay assignment based on Shannon channel capacity does not suit to secondary users (SUs). It is necessary to consider spectrum availability when cooperative communication (CC) is carried out in CRNs. In this paper, we propose the concept of Effective Channel Capacity (ECC) according to frequency band...
Cooperative communication has been proposed to improve the performance affected by multi-path propagation in the wireless network. Then, coded cooperation is emerging as a promising technology to improve the outage performances. Combining the coded cooperation with opportunistic relaying scheme can minimize the outage probability. In this paper, we propose a multicast cooperation strategy based on...
In wireless communication, it is enough to transmit the same information only once to reach a group of users due to the broadcast nature of wireless media. However, some users may fail to receive as a result of channel fading and etc. Cooperative communication can make use of space diversity to enhance communication quality. In this paper, we proposed a novel cooperative routing strategy for wireless...
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