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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/75550


    Title: A fast blind rendezvous method byalternate hop-and-wait channel hoppingin cognitive radio networks
    Authors: Chuang, I.-H.;Wu, H.-Y.;Kuo, Yau-Hwang
    郭耀煌
    Contributors: 資科系
    Keywords: Radio systems;Asynchronous rendezvous;Blind rendezvous;Channel hopping;Cognitive radio network;Cognitive radio network (CRN);Common control channels;Communication environments;Standard deviation;Cognitive radio
    Date: 2014-10
    Issue Date: 2015-06-03 12:33:24 (UTC+8)
    Abstract: Rendezvous is an essential operation for secondary users communicating in a cognitive radio network (CRN). Because it is infeasible to employ a common control channel in a licensed spectrum, blind rendezvous is an expected solution and generally estimated by the criteria of asynchronous rendezvous support, guaranteed rendezvous, asymmetric model support, heterogeneity of roles, and short time-to-rendezvous (TTR). Most existing blind rendezvous methods fail to fully satisfy these criteria or have considerable TTR significantly increased with the number of channels. This paper presents a new alternate hop-and-wait channel hopping method, called E-AHW, which can support fast blind rendezvous. By assigning each secondary user a unique alternate channel hopping sequence composed of HOP/WAIT-mode subsequences, all blind rendezvous criteria can be satisfied with shorter TTR. According to simulation results, the performance of E-AHW is better than existing methods. Moreover, using E-AHW, the average value and standard deviation of time intervals between two rendezvous are also less than other methods. Thus, E-AHW can provide an efficient and stable communication environment. © 2012 IEEE.
    Relation: IEEE Transactions on Mobile Computing, 13(10), 論文編號 6701149, 2171-2184
    Data Type: article
    DOI link: http://dx.doi.org/10.1109/TMC.2013.2297313
    DOI: 10.1109/TMC.2013.2297313
    Appears in Collections:[Department of Computer Science ] Periodical Articles

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