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With the current trend of spending time socialising via mobile applications, students at institutes of higher learning often seek new knowledge and manage their learning from the virtual world. From the concept of personal learning and social learning environment, it is found that personal knowledge management (PKM) processes occurred in this virtual environment, in which opportunities of expanding...
Transportation is an issue of concern in big cities of many developing countries today. Due to the large population in these cities, there is constant traffic congestion and pollution. As a result taxi services are common. In Nigeria, companies offering these services have discovered that they can better serve the large population by providing their services through the mobile platform. Given the...
Nowadays collaborative applications are valuable tools for scientists to share their studies and experiences, e.g. By interacting simultaneously with their data and outcomes giving feedback to other colleagues on how the data are processed. This paper presents a mobile application connected to a workflow-enabled framework to perform visualization and data filtering of large-scale, multidimensional...
This paper presents a novel application that allows mobile clients to interact with M2M devices and endpoints in real time. The application "Connect and Control Things" (CCT) is designed to discover things, receive data from the sensors, control the actuators and generate alarms in real time. The novel capabilities of CCT are: (i) dynamic discovery of device and endpoint, (ii) real time...
This paper proposes an innovative Internet of Things (IoT) architecture that allows real time interaction between mobile clients and smart/legacy things (sensors and actuators) via a wireless gateway. The novel services provided are: (i) dynamic discovery of M2M device and endpoints by the clients, (ii) managing connection with non-smart things connected over modbus, (iii) associate metadata to sensor...
Low power IEEE 802.11n single input single output (SISO) wireless LAN (WLAN) baseband LSI has been developed for mobile applications. The multiple low power technologies such as on-chip power gating and high throughput technologies for expanding idle time are applied to the LSI. By minimizing always-on circuits and implementing them using thick gate-oxide transistors, 7uW stand-by power consumption...
Over the past few years, mobile operators are faced with enormous challenges. Of such challenges, evolved user demands on personalized applications. Telecommunications industry as well as research community have paid enormous attention to Next Generation Networks (NGN) to address this challenge. NGN is perceived as a sophisticated platform where both application developers and mobile operators cooperate...
System-on-chips (SoCs) are being widely adopted in mobile applications, and are driven by the need for longer battery life, their power budget continues to decrease. In addition, the phase-locked loop (PLL) for the SoC host clock has to be a very low power circuit to support the always-on always-connected (AOAC) feature for SoCs integrated into hand-held devices. The proposed PLL, imple mented in...
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