… cognitive radio (CR) users, thus increasing the spectral utilization. Because we must avoid
noticeable interference to existing users, … achieve diversity gains [18], and in a cognitive radio …

… has not been well studied in CR ad hoc networks. As a common approach… cognitive radio
networks assume that the primary transmission range can reach the secondary sensing device …

… cognitive radio system performance and avoids interfering … /OFDM systems with multiple
users. Numerical results are … way to achieve the best user-perceived video quality for secondary …

… multiple access protocols that maximize the number of users … contention and interference
level among the cognitive links. … and time negotiation to achieve power savings by having an …

… Medium Access (SMA) scheme that takes interference … of achieving media access in
multichannel ad hoc networks … of a channel allocation and a multiple access sub-games. In [9…

… Restricted Access with Collision and Interference Resolution (… to develop an ad hoc network
in an IEEE 802.11ah system. … In Proceedings of the International Conference on Devices …

… devices (also called cognitive radio users or secondary users) … to achieve high spectrum
utilization while avoiding interference… to the PUs by coordinating the multiple access of CR users …

… of Cognitive Radio (CR) has been employed to achieve this. … [1] Ad hoc networks are
dynamically created and maintained … of many interfering systems (eg microwave ovens, cordless …

… at the transmitter and successive interference cancellation at the … to know and Radio defines
a frequency tunable device. The … It helps to achieve the high capacity of the system with high …

… orthogonal frequency division multiple access (OFDMA) [8], [9]… as their respective
Signal-to-Interference-andNoise-Ratio (… for reaching an equilibrium point among multiple …