Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 146 for “"Mobile Communication"”.
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ComTouch : a vibrotactile mobile communication device
… a new device for enhancing interpersonal communication over distance through use of touch. The ComTouch approach investigates how the sense of touch can be remotely represented by means of a vibrotactile, or touch-and-vibration, interface. Touch has potential to improve existing remote …
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Handover in digital cellular mobile communication systems
… systematic tracking of the random movement of a mobile station in a cellular environment. It incorporates mobility parameters under generalized conditions, so that the model could be tailored to be applicable in most cellular environments. This model is then used to characterisendifferent …
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The spatial structure of mobile communication networks
… between the spatial and topological structure of communication networks with the availability of large scale anonymous datasets on the communication and mobility patterns of individuals. These datasets, captured as a by-product of modern communications technology, provide a detailed view of the …
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Apparatgeist and Mobile Communication: Considering Interpersonal Communication Practices
<p>Mobile communication is embedded into our daily life increasing our connection to social networks. The development of mobile communication occurred during the second half of the twentieth century and has become domesticated into everyday life. One consequence of the widespread adoption of mobile …
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Time varying channel models for 5G mobile communication systems
… looking for ways of continuing the evolution of mobile communication technology to its fifth generation (5G). Providing high data rate information transfer to highly mobile users over time varying communication channels remains a shared obstacle. In this thesis, we contribute to these global …
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Autonomous interactive intermediaries : social intelligence for mobile communication agents
Today's cellphones are passive communication portals. They are neither aware of our conversational settings, nor of the relationship between caller and callee, and often interrupt us at inappropriate times. This thesis is about adding elements of human style social intelligence to our mobile …
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Providing lightweight telepresence in mobile communication to enhance collaborative living
… space and the remote person's availability for communication. The watch enables the wearers to be always connected via awareness cues, text and voice instant message, or synchronous voice connectivity. Sensors worn with the watch track location (via GPS), acceleration, and speech activity; these …
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SOME MULTIBAND COMPACT AND COST EFFECTIVE ANTENNAS FOR MOBILE COMMUNICATION APPLICATIONS
In the last few years, the field of telecommunications and especially the one of mobile telephony has evolved rapidly. Cell phones have evolved immensely both in design and function. Due to the development of modern integrated circuit technology, personal communication handsets are shrinking in …
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CMOS Transceiver Front-Ends in Mobile Communication Handsets - Architectures and Building Blocks
For mobile communication systems in the low-GHz range, CMOS has increasingly become the technology of choice, and the level of integration in mobile handsets has risen. The use of off-chip components, which increases the handset assembly time and costs, is preferably avoided. However, integrating a …
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Bit error rate simulation enhancement and outage prediction in mobile communication systems
… made to software designed for simulating digital mobile radio communication systems. Internally generated two-ray Rayleigh fading channel models as well as imported spatially varying complex channel impulse responses can be utilized in simulations. Implementation of receiver timing jitter and …
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Tunable narrow bandpass Sigma-Delta analog-to-digital conversion for mobile communication terminals
… is proposed. In this structure, the whole mobile band (125 channels for GSM) is digitized and channel selection is performed using DSP filters. The ADC is a critical component in this structure, requiring 13bits resolution at sampling rate of 50MHz . A modified ΣΔ ADC converter is proposed …
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Remote online machine condition monitoring using advanced internet, wireless and mobile communication technologies
A conceptual model with wireless and mobile techniques is developed in this thesis for remote real-time condition monitoring, which is applied for monitoring, diagnosing, and controlling the working conditions of machines. The model has the following major functions: data acquisition, data …
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Space-partitioning with cascade-connected ANN structures for positioning in mobile communication systems
… computing has become an important bit of telecommunication services and industry. For this reason, the research efforts on new and improved localisation algorithms are constantly being performed. Thus far, the satellite positioning systems have achieved highest popularity and penetration …
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Ubiquitous mesh networking : application to mobile communication and information dissemination in a rural context
… infrastructure that make it unattractive for telecommunication service providers to extend service provision. Where the service is available, ubiquitous service coverage has not translated into ubiquitous access for individuals because of the associated costs. A community-wide WMN offering VoIP …
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Error rate performance analysis of stream and block ciphers in a digital mobile communication channel.
… from computer simulations where the digital mobile communication channel is represented by the Gilbert and Fritchman models. Simulations are also carried out over memoryless binary symmetric channels (BSC) to illustrate the difference on the error rate at the receiver (after decryption) as a …
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Design, Fabrication, and Measurement of a Multiple-Input Multiple-Output (MIMO) Antenna for Mobile Communication
… a multiband uniplanar MIMO antenna for hand-held mobile communication devices on LTE, WLAN, and WMAN networks. The antenna design methodology combined a variety of broadbanding techniques that resulted in a single-layer hybrid monopole antenna coupled to a meander line element and parasitic …
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The Relationship Between Laws Regulating Use of Mobile Communication Devices by Young Drivers and Crash Fatalities
The use of mobile communication devices (MCDs) by drivers is a significant public health problem. Research suggests that MCD use plays a role in almost 400,000 traffic crashes each year, resulting in over 3,000 deaths (NHTSA, 2013). Drivers using an MCD are as much as four times more likely to …
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Forever Ephemeral? – An Exploratory Analysis of Youth Self-presentation with Instagram Stories in the Context of Visual Mobile Communication
… summarized as follows: To analyze, within visual mobile communication, the influence of ephemeral images from Instagram Stories in the self-presentation of the youth born in the 21st century (aged 18-22 years old). A more focused set of specific objectives, also directly connected to the previous …
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Strategic analysis of mobile viral marketing through a holistic study in technological evolution of mobile devices
Rapid advancement in Electronic Communication gives rise to the popularity of Viral Marketing. Mobile Communication, in particular, offers greater potential in the utilization of this Word-of-Mouth phenomenon as a Marketing tool. Researchers have studied Viral Marketing from different perspectives, …
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