Showing 81 - 100 results of 2,398 for search 'MyRadio~', query time: 6.49s Refine Results
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    Mixed-Signal Parallel Compressive Spectrum Sensing for Cognitive Radios by Zhuizhuan Yu, Xi Chen, Sebastian Hoyos, Brian M. Sadler, Jingxuan Gong, Chengliang Qian

    Published 2010-01-01
    “…Wideband spectrum sensing for cognitive radios requires very demanding analog-to-digital conversion (ADC) speed and dynamic range. …”
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    A Survey of Cognitive Radio Access to TV White Spaces by Maziar Nekovee

    Published 2010-01-01
    “…Cognitive radio is being intensively researched as the enabling technology for license-exempt access to the so-called TV White Spaces (TVWS), large portions of spectrum in the UHF/VHF bands which become available on a geographical basis after digital switchover. …”
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  7. 87

    Spectrum Handoff with Channel Sensing Sequencing in Cognitive Radio Network by Xingyu Zhu, Huaibei Zhou, Junyuan Huang

    Published 2013-04-01
    “…In the cognitive radio network,when the primary users show up,the secondary users should vacate the channel and find another free channel for data transmissions.This is the so-called spectrum handoff.There are two most important performance metrics for spectrum handoff:handoff delay and handoff times.A novel spectrum handoff scheme with channel sensing sequencing was proposed in order to decrease both handoff delay and handoff times.When designing the channel sensing sequence,the channel free probability was considered,and the probability that no handoff will happen in a channel was considered as well.The simulation results show that the method not only can get the minimum handoff delay as the traditional method does,but also can decrease the handoff times were significantly compared with the traditional method.…”
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    A SVM Based Spectrum Prediction Scheme for Cognitive Radio by Yuan Xu, Huaxiang Lu, Xu Chen

    Published 2014-11-01
    Subjects: “…cognitive radio…”
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    The Information Theoretic Approach to Signal Anomaly Detection for Cognitive Radio by Mostafa Afgani, Sinan Sinanović, Harald Haas

    Published 2010-01-01
    “…Efficient utilisation and sharing of limited spectrum resources in an autonomous fashion is one of the primary goals of cognitive radio. However, decentralised spectrum sharing can lead to interference scenarios that must be detected and characterised to help achieve the other goal of cognitive radio—reliable service for the end user. …”
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    Quorum Systems towards an Asynchronous Communication in Cognitive Radio Networks by Sylwia Romaszko, Petri Mähönen

    Published 2012-01-01
    “…This paper reviews quorum systems (QS) from the perspective of cognitive radio networks. Quorum systems were originally developed for and widely used in the scope of operating systems. …”
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    Situation Awareness Scheme Based on PUE Detecting for Cognitive Radio by Fangwei Li, Dejun Feng, Jiang Zhu

    Published 2013-12-01
    Subjects: “…:cognitive radio network…”
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  15. 95

    Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks by Jaroslaw Sadowski

    Published 2015-01-01
    “…The results of measurements are compared with characteristic parameters of UHF radio channel models defined for exemplary narrowband digital system from the TETRA standard. …”
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  16. 96

    Joint optimization of power and channel access in cognitive radio network by Jiang ZHU, Qingmin DU, Shaowei BA

    Published 2017-02-01
    Subjects: “…cognitive radio network…”
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