463 research outputs found

    PHYSICAL 5G MOBILE HOTSPOT SWITCH KEY OF MOBILE COMPUTING DEVICES

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    This disclosure relates to the field of mobile computing devices, which equipped with a Physical 5G Mobile Hotspot Switch Key function for people easy to turn on hotspot feature and share the 5G signal by switch the physical mobile hotspot switch key without turn the system on

    Open Access Challenge

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    This class activity is designed to help health sciences students understand challenges to accessing public health information in a variety of settings. The exercise was created for students in Prof. Dailey’s Global Health class (HS 322) at Gettysburg College in Fall 2015. The activity, as well as notes for instructors considering using this exercise, are both shared here

    Gateway Discovery and Selection in Mobile Hotspots

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    Gaining IP connectivity in mobile hotspots (e.g. public transport vehicles) through on-board local area networks and mobile gateways has recently attracted strong commercial and research interests. In this paper we propose a multi-dimensional protocol to support the process of gatewaydiscovery in mobile hotspots, and to help in selecting the best path able to satisfy the user's requirements and to guarantee a target end-to-end service quality. Our proposal is based on highly popular and almost standard protocols, such as SDPng for session description and AODV for route discovery

    Spartan Daily March 23, 2011

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    Volume 136, Issue 30https://scholarworks.sjsu.edu/spartandaily/1137/thumbnail.jp

    Broadband Impact on Education and Workforce during the COVID-19 Pandemic

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    A library hotspot lending program was popular with low and middle income Tennessee residents. The primary uses of broadband during the COVID-19 pandemic were for school work, connecting with family, conducting research and entertainment purposes. Residents used the program to access broadband when faced with a lack of reliable local broadband service or high-cost subscription plans. The Community Capitals Framework can be used as a strategy to address digital divide and improve broadband access for underserved communities that wish to replicate or expand similar programs. COVID-19 pandemic notably had a negative impact on work productivity and children’s academic performance

    Spartan Daily April 12, 2011

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    Volume 136, Issue 36https://scholarworks.sjsu.edu/spartandaily/1143/thumbnail.jp

    Link Adaptation for WiMAX Supported Mobile Hotspot

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    In recent years, mobile hotspots have been getting much attention of the researchers. They are implemented on moving platforms. Research interests in mobile hotspots are motivated by the demand of seamless mobility. The IEEE 802.16e or mobile WiMAX opens a new door of possibility of mobile broadband. It provides extended mobility support and larger cell coverage. In this thesis we propose a simple link adaptation (LA) algorithm for the mobile hotspots, which are supported by (mobile) WiMAX network. The role of link adaptation (LA) is very important because it controls the physical layer throughput. Therefore, all the higher layers are affected by LA. The main function of an LA algorithm is to select an appropriate burst profile. We consider downlink scenarios of WiMAX supported mobile hotspot. We formulate a discrete value optimization problem for LA, whose objective is throughput maximization. We choose forward error correction block rate (FBER) as constraint. The proposed LA algorithm comes as solution of the optimization problem. The proposed algorithm adapt with MAC layer performance. We develop a downlink channel estimation technique, propose an intra subchannel power allocation strategy, and propose an adaptive automatic repeat request (ARQ) mechanism as part of LA technique. We estimate SNR using channel estimation and intra subchannel power allocation. Then the estimated SNR is adjusted based on velocity of mobile hotspot. Adjusted SNR is used to select optimum burst profile. The performances of the proposed LA algorithm are evaluated through numerical results obtained from link level simulations. According to numerical results, the proposed LA algorithm is able to maintain a certain level quality of service (QoS)
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