… This work has focused on improving the performance of spectrum handoff for the SUs in a
cognitive radio ad hoc network (CRAHN) and has developed a proactive partial collision free …

… a hybrid spectrum handoff scheme that selectively uses either reactive or proactive handoffs,
… is closer to TNH, the FTS size should be reduced. For this purpose, THR2 threshold is …

… spectrum scarcity [4, 5] which can be overcome through the CR-VANETs (Cognitive Radio
Vehicular Ad Hoc Networks)… by reducing the packet drops due to spectrum handoff and mobile …

… The process of spectrum handoff becomes more critical in cognitive radio ad-hoc networks,
as … adaptively to reduce cumulative spectrum handoff delay. Other performance matrices like …

… cognitive radio (CR) is to address the problem of spectrum scarcity and inefficient usage of
spectrum, by allowing the unlicensed or cognitive … may drop and also the problem of spectrum …

… of existing spectrum handoff schemes for cognitive radio networks. The spectrum handoff
schemes are … Hence, the handoff latency is reduced to a great extent compared to reactive …

… cognitive radio-based MAC is used as the basis. It has been evaluated with and without the
proposed spectrum handoff … the PER is reduced by a factor of 4 using the proposed spectrum …

… the prediction of an efficient spectrum handoff method. Cluster-… user behavior affected spectrum
handoff performance delays … , SUs employ relays to reduce interference. An optimal relay …

… spectrum handoffs, leading to fluctuations in the spectrum allotted to SUs. Reducing the
number of handoffs … protocols in multi-hop cognitive radio ad hoc networks,” IEEE Transactions …

… or not contingent upon the overall service time to reduce the unused handoffs. The … the
spectrum handoff decision module. The spectrum handoff decision chooses on a suitable handoff …