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  • Economics  (3)
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  • Economics  (3)
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  • 1
    Online Resource
    Online Resource
    Wiley ; 2019
    In:  Mobile Information Systems Vol. 2019 ( 2019-02-11), p. 1-11
    In: Mobile Information Systems, Wiley, Vol. 2019 ( 2019-02-11), p. 1-11
    Abstract: Outfitting humans with on-body/in-body sensor nodes, wireless body area networks (WBANs) are positioned as the key technology to enhance future telehealth service. The newly emerged wireless power transfer (WPT) and energy harvesting (EH) technology provides a potential of continuous power supply for WBANs. Since the radio frequency (RF) signals can carry energy as well as information at the same time, the time switching between the WPT phase and the wireless information transfer (WIT) phase should be carefully scheduled. By considering a telehealth application scenario (in which multiple patients coexist in a ward and each of them is monitored by multiple sensor nodes), this paper proposes to allocate the duty cycles for the WPT and WIT phases and schedule the transmission time for the WIT links in a joint manner. First, a frame structure for simultaneous information and power transfer (SWIPT) is designed over the time-and-spectrum domain. With the aim to satisfy the minimum rate demands of all the sensor nodes, the optimal duty time for the WPT phase and the optimal transmission time for the WIT links are jointly found by using the convex optimization technique. Finally, a fast algorithm is developed to search the optimal solution by introducing an admission control. The simulation results show that the proposed algorithm can effectively exploit the broadcasting property of RF energy radiation. If the network load were controlled below a certain level, the rate demands of all the sensor nodes in the network can be satisfied.
    Type of Medium: Online Resource
    ISSN: 1574-017X , 1875-905X
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2019
    detail.hit.zdb_id: 2249294-X
    detail.hit.zdb_id: 2187808-0
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  • 2
    Online Resource
    Online Resource
    Informa UK Limited ; 2019
    In:  Journal of the Operational Research Society Vol. 70, No. 1 ( 2019-01-02), p. 101-110
    In: Journal of the Operational Research Society, Informa UK Limited, Vol. 70, No. 1 ( 2019-01-02), p. 101-110
    Type of Medium: Online Resource
    ISSN: 0160-5682 , 1476-9360
    RVK:
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 2019
    detail.hit.zdb_id: 716033-1
    detail.hit.zdb_id: 2007775-0
    SSG: 3,2
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  • 3
    Online Resource
    Online Resource
    American Accounting Association ; 2022
    In:  Journal of International Accounting Research Vol. 21, No. 1 ( 2022-03-01), p. 101-129
    In: Journal of International Accounting Research, American Accounting Association, Vol. 21, No. 1 ( 2022-03-01), p. 101-129
    Abstract: Based on evidence from nine countries that hosted the Olympic Games, we show that relative to firms domiciled in non-Olympics-hosting countries, firms domiciled in Olympics-hosting countries engage in more cross-listing in the years following the Olympics. The effect of hosting the Olympics on firms' cross-listing activities is more pronounced for firms domiciled in host countries with better performance in the Games; for firms domiciled in countries hosting the Summer Olympics; and for domestic firms. We also find that cross-listing firms domiciled in an Olympics-hosting country tend to cross-list in foreign countries with a greater institutional distance from the host country after the Olympics. Finally, we document a positive effect of Olympics-hosting on the consequences of cross-listing. Taken together, our findings suggest that hosting the Olympics improves the international reputation of the host country, which helps firms domiciled in that country to overcome the liability of foreignness when making cross-listing decisions.
    Type of Medium: Online Resource
    ISSN: 1558-8025 , 1542-6297
    RVK:
    Language: English
    Publisher: American Accounting Association
    Publication Date: 2022
    detail.hit.zdb_id: 2115967-1
    detail.hit.zdb_id: 2118810-5
    SSG: 3,2
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