[PDF] Top 20 Interference avoidance throughput optimization in cognitive radio ad hoc networks

... system throughput, Algorithm 2 efficiently enhances the overall transmission rate while reducing the power budget ...system throughput, the ST prefers to allocate more power to a channel that is far away ... See full document

... The use of MIMO technology in combination with OFDM, i.e., It is possible to increase the network capability by using MIMO and CR together. The goal is that to develop a distributed algorithm that can concurrently ... See full document

... low throughput of both licensed and unlicensed ...CR ad hoc networks, ProSpect, is proposed to address these concerns ...higher throughput and shorter handoff delay in multi-SU ... See full document

... In this paper a new Intelligent Routing Model for addressing the issue of routing is proposed and implemented in NS2 which can be used for routing protocol simulation in cognitive radio networks. The ... See full document

... Adaptive sensing method for co-operative sensing has been discussed and its effect on the network characteristics has been observed. The work can be extended by incorporating a learning process like the genetic ... See full document

... Cognitive radio is a variety of wireless communication in which a transceiver can cleverly detect which communication channels are in use and which are not and right away move into vacant channels while ... See full document

... in cognitive radio networks, different SUs also require to satisfy het- erogenous constraints with different ...the interference to the PU within a small limit as explained in the next ... See full document

... of cognitive radio networks without any fixed infrastructures or centralized entities ...an ad hoc manner to exchange in- formation and obtain necessary knowledge, such as network ... See full document

... from cognitive radio mod- ...cross-layer optimization, for example, by consider- ing geo-location and spectrum availability to store dif- ferent signal thresholds used for ...the cognitive ... See full document

... Chowdhury et al [14] study the problem of TCP newReno in a CRAHN by proposing window-based TCP protocol. This proposed TCP protocol integrates the spectrum awareness by means of a combination of explicit feedback ... See full document

... saturation throughput of the SUs using the OSA-BR protocol compared to SWITCH and DCA-MAC ...The throughput of OSA-BR increases compared to SWITCH by ... See full document

... the radio spectrum is an important part in the multi-agent intelligence management system of the ...vehicles. Cognitive radio is used for reducing the restricted access to the wavelength of the ... See full document

... Mobile ad hoc networks are infrastructure-less networks used for communication between two or more nodes without a common access ...in cognitive mobile ad-hoc ...accepted ... See full document

... In another approach, a TDMA mechanism that combines data and multimedia transmission in a hybrid MAC protocol based on the carrier-sense with multiple access with collision avoidance protocol (i.e., CSMA/CA) has ... See full document

... Over the last few decades, the world has experienced an explosion of the wireless devices. This has led to some spectrum bands being heavily used, especially unlicensed bands, such as ISM bands, which can be attributed ... See full document

... Since cognitive radio users (CUs) are considered to have lower priority and belong to secondary users of the spectrum allocated to PUs, CUs have to sense the spectrum to detect PU ...the interference ... See full document

... the interference in a D2D environment ...aggregated radio access technologies (RAT) access strategy with the aim of maxi- mizing the long-term network throughput while meeting diverse traffic quality ... See full document

... its radio environment in order to improve the spectrum utilization in cognitive radio ad hoc network(CRAHN), which are bring rigorous challenges and required functionalities like ... See full document

... wireless networks, network congestion in CRNs will also occur when the offered data load ex- ceeds the available capacity of SU due to buffer over- flow caused by accumulated data packets injected from upstream ... See full document

... vehicular networks faces lacking radio spectrum bandwidth allocations issues as a result of the random number of mobile users in the ...collision avoidance, safety and traffic monitoring, multimedia ... See full document