Busy tone based coexistence algorithm for WRAN and WLAN systems in TV white space
MetadataShow full item record
CitationKaratalay, O., Erküçük, S. ve Baykaş, T. (2018). Busy tone based coexistence algorithm for WRAN and WLAN systems in TV white space. Iet Communications, 12(13), 1630-1637. https://dx.doi.org/10.1049/iet-com.2017.0740
TV White Space (TVWS) refers to frequency band reserved only for licensed terrestrial TV broadcasting and is opened to unlicensed use under regulatory conditions. While regulations protect licensed systems from interference, interference among unlicensed systems is left mainly to manufacturers. Consequently, there is a need to develop new coexistence approaches between TVWS networks. Busy tone broadcasting is a coexistence method, which can be used by TVWS networks to announce the selected frequency band is occupied. In this paper, a busy tone based coexistence algorithm is proposed for IEEE 802.11af and IEEE 802.22 networks and analyzed by considering different client distributions experiencing log-normal shadowing, where the exact interfering packet rate and successful packet transmission rate expressions are obtained and validated by simulations for different scenarios. The results show that with the proposed coexistence approach, a WLAN can reliably detect the busy tone signal to change its frequency band and can reduce interference to WRAN. Even if there is no available frequency band for the WLAN, the WRAN still maintains its enhanced successful packet transmission performance. The deployment of the proposed algorithm is important for successful coexistence between cognitive wireless networks, where interference is not regulated, such as in TVWS bands.
WoS Q KategorisiQ3
Showing items related by title, author, creator and subject.
Karatalay, Onur; Erküçük, Serhat; Baykaş, Tunçer (Institute of Electrical and Electronics Engineers, 2015)TV White Spaces indicate spectrum bands, which were reserved for licensed terrestrial TV broadcasting and opened to unlicensed use under regulatory conditions. One important regulation which is common in all regulatory ...
Successful cryoablation of atrioventricular nodal reentrant tachycardia and coexisting accessory pathways without fluoroscopy The prevalence of coexistent AVNRT and AVRT has been rarely reported in the literature. The bypass tract is usually first targeted for ablation because of the concept that dual AV nodal physiology is more physiological for ...
Successful ablation of coexistent mahaim tachycardia and right posterior accessory pathway in a patient with ebstein's anomaly The atriofascicular accessory pathway (AP) referred as the Mahaim pathway is rare form of preexcitation. Mahaim AP is characterized with decremental anterograde-only conduction and antidromic tachycardia with LBBB morphology. ...