… Abstract: Cognitive radio (CR), cognitive radio networks (CRN) lead to … network infrastructure;
and the future CRN will also face the security problems that exist in current wireless network…

Cooperative multi robot systems have been a particularly popular topic within robotics
because of their potential applications. To meet the demand of promoting relevant study, the …

… in general OFDM based cognitive radio systems, where the … the cognitive radio and OFDM
based cognitive radio systems… for OFDM based cognitive radio systems is formulated and …

… networks and a series of feasible MAC protocols was proposed.The analysis of the proposed
MAC protocol … for heterogeneous services in cognitive radio networks with imper fect …

… Access MAC (RA-MAC) protocol of cognitive radio networks are … protocol performance and
parameters is analyzed. Key words: Cognitive radio networks; Random access; MAC protocol…

… Abstract: The cognitive radio network (CRN) has … the MAC protocols. In this overview, the
characteristic features, advantages, and the limiting factors of the existing CRN MAC protocols …

… Spectrum access scheme of MAC layer for real-time traffic in cognitive radio network …
service in cognitive radio networks, a low-delay spectrum access scheme of MAC layer, LD-SAS, …

… A cooperative spectrum sensing scheme using multiobjective hybrid IWO/PSO algorithm
in cognitive radio networks. In: Proceedings of International Conference on Issues and …

… work on different frequencies in cognitive radio networks, cognitive nodes must consult a …
shared channel in Ad hoc cognitive radio network is that cognitive nodes give the plaintext …

… 信道协议QoS MAC Cross-layer multi-channel MAC protocol combined with QoS … layer
multi-channel MAC protocol combined with QoS search for cognitive wireless multi-hop networks …