本研究使用Android智慧型手機結合無線感測器，提供一個便利學習者攜帶、使用之輔助學習系統，並於智慧型手機提供互動區以利同儕間進行課業討論。系統即時感測、記錄學習者學習行為，並以智慧型手機做為感測資料蒐集及處理中心，為了利用蒐集之學習資料產生最佳推論結果，採用SVM(Support Vector Machine)分類技術進行資料之推論及分析。 本系統之評量及實驗，係藉由讓大學生使用系統，蒐集預測模型建立所需之資料，並了解學習者對本系統之觀感、接受度及系統預測準確率。評量以實驗者前、後測進步情況作為標準，探討與學習情況之關係，藉此了解使用智慧型手機結合感測器輔助學習者進行自我管理，進而提升學習成效。 / We propose a portable, convenient learning assisted system that uses Android Smartphone with wireless sensors. The system senses and collects the data of learning behavior and uses the Smartphone as processing unit to collect statistics. For optimizing inference, we used SVM(Support Vector Machine) technology to analyze the collected data . For evaluating the system , we invited college students to join the experiment and use the system. Therefore, we can collect data to construct the prediction models, knowing better about the accuracy , impression and acceptance of the system , and then realizing the feasibility of using Smartphone with wireless sensors to assist learner promoting learning effect by self-management strategy.

<p>Syftet med uppsatsen är att bidra till att öka kunskapen om hur tekniska hjälpmedel kan användas för att underlätta vardagen för vuxna människor med ADHD.  För att åstadkomma detta görs en genomgång av vilka problem som kan föreligga vid ADHD och vilka strukturer och aktörer som finns i samhället för att erbjuda hjälp och stöd som vuxna med ADHD kan ha behov av. Därefter betraktas vilka strategier och metoder som kan vara användbara för att kompensera för de problem ADHD kan innebära och hur teknik, såväl specialtillverkade hjälpmedel som vanliga produkter, kan användas för att kompensera. En översikt görs av hur teknik kan utformas för att bli användbar, såväl generellt som mer specifikt rörande utformning av hjälpmedel. Detta åskådliggörs genom exempel från några svenska hjälpmedelsprojekt följt av en probleminventering där ett antal studiebesök och intervjuer har tjänat som en bakgrund för förståelse av den stora mängd strukturer, aktörer och hjälpmedel som är möjliga men emellanåt svårtillgängliga vägar till hjälp för vuxna med ADHD.</p><p> </p><p>De som i slutänden kan avgöra vilken nytta ett hjälpmedel innebär är brukarna själva. Deras upplevelser och erfarenheter är en ovärderlig källa till kunskap. Under arbetets gång har frågeställningen preciserats till att lyda: <em>"Hur kan vanliga mobiltelefoner användas som hjälpmedel för att underlätta vardagen för vuxna med ADHD?"</em>.<em> </em>För att besvara denna fråga har semistrukturerade riktade intervjuer genomförts med fyra kvinnor med ADHD som använder mobiltelefonen som hjälpmedel i sin vardag. Intervjuerna har transkriberats och kategoriserats för att identifiera hur mobiltelefoner används, vad som fungerar bra och mindre bra och vad kan göra att mobiltelefonen upplevs som ett fungerande hjälpmedel.</p><p> </p><p>Resultaten från bearbetning och analys av intervjuerna sammanställs i kapitlet sammanfattande analys i avsnitt med användbara funktioner, användbara egenskaper och perspektiv på stödbehov och hjälparroll. I diskussionskapitlet föreslås sedan vidare användning av resultaten i avsnitten teoretiska implikationer och praktiska implikationer. Min förhoppning är att dessa avsnitt tillsammans med de listor och tumregler som presenterats i den teoretiska referensramen skall kunna vara användbara för att identifiera behov och möjliga lösningar som kan vara värdefulla att pröva i det enskilda fallet.</p><p> </p><p>En person kan behöva stöd för att ta till vara de möjligheter mobiltelefonen erbjuder som hjälpmedel. Hjälpen kan behövas i något eller alla steg från problemidentifiering och införskaffande till införande, fortlöpande uppföljning och utvärdering av hjälpmedelsanvändningen. Stödet kan behöva vara av så väl strukturell och habiliterande art som av teknisk natur för att hjälpmedelsanvändningen skall bli så framgångsrik som är möjligt. Siktet bör vara mot vad som kan innebära kvalitet, mervärde och avlastning för individen i dennes liv, inte vad som är ADHD-symptom och hur dessa skall kompenseras.</p><p> </p><p>Vuxna med ADHD är en mycket heterogen grupp och de resultat som presenteras i uppsatsen är att betrakta som en utgångspunkt för vidare funderingar och prövning snarare än som färdiga lösningar som passar alla med ADHD.</p><p> </p>

Wireless applications have become a common part of daily life. Whether it is mobile phones, the Wi-Fi router at home, the keycard which has replaced the car key, a radio frequency identification access system to a building or a Bluetooth headset for your computer or phone, the means of modern wireless data exchange is an omnipresent technology. In sports, the market is in its infancy for wireless, technical applications or gadgets. Only heart rate monitors and GPS watches are currently used by recreational athletes. Even though most of the larger sports equipment companies regularly launch new products related to sports performance monitoring and mobile phone technology, product innovation leaps are rare.In this work the design of a wireless sports performance measurement platform is presented. Using the example of kayaking, this platform is configured as a paddle performance measuring system, the Kayak XL System, which can monitor propulsive paddle force, paddle kinematics and boat velocity, interalia. A common mobile phone platform has been chosen as the user interface for this system. The design approach focussing on user requests, demands and expectations in combination with the process of iterative technical development are unveiled in this thesis. An evaluation of the system is presented and the work is finalised with an overview of further systems which have been designed based on the developed measurement platform. The Kayak XL System is a flexible system designed to be mounted onto any standard kayak paddle and installed in any competition kayak. Versatility, unobtrusiveness and usability were major design concerns. The developed system consists of four modules plus a software which has been designed for Android mobile phones. The phone communicates with each of the four modules trough Bluetooth radio. These four modules are also referred to as nodes and have specific measurement purposes. Two nodes have been designed to measure paddle force and kinematics, one node has the purpose to measure foot stretcher force and boat motion data, and the fourth node enables a more convenient method of calibrating paddle force measurement. The fourth node is therefore only needed prior to performance data acquisition. Results show that paddle and foot stretcher force can be measured with a resolution below 1N after calibration. Installing the paddle nodes on a previously configured paddle without repeated calibration is facilitated with the compromise of a doubled error margin. The default sampling frequency is set to 100 Hz and can, like all system parameters, be configured on the mobile phone. Real-time computation of complex performance parameters is only limited by the phone CPU. The system adds twice 109 g to the paddle and approximately 850 g to the kayak, excluding the mass of the mobile phone / <p>QC 20120827</p>

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<!--[if gte mso 10]> <mce:style><! /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} --> <!--[endif]--><!--[if gte mso 9]><xml> <o:shapedefaults v:ext="edit" spidmax="1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1" /> </o:shapelayout></xml><![endif]--> The 1990s is commonly referred as the Golden Age for High Technology and during this time the industry grew with a rapid speed. As a result, the consumers were presented with a various number of innovative products such as the Internet, computers and mobile phones. Within the High Tech frame, one of the fastest growing industries is the mobile phone handset industry. In 2006, 800,2 million mobile phones were sold worldwide and the market value was $104,3 billion. Forecasts about the mobile phone market predicts that the market will grow to 1,8 billion units in 2011 and have a value of $211,9 billion.   However, during this time, the researcher, Geoffrey Moore, identified a problem for the High Tech companies, i.e. the chasm. The chasm is a gap between the early market and the mainstream market that has arisen due to the characteristics of the high tech industry and the differences between these two groups. Due to the fact, that the early market only represents 10-15% of the total market it is vital for companies to cross the chasm and reach the mainstream market, in order to cover the high initial R&amp;D costs.   Therefore, the purpose of this thesis is to conduct a qualitative study within the Swedish mobile phone industry to understand how the manufacturers’ products are crossing the chasm.   The research has been carried out as a case study, and two of the largest mobile phone manufacturers were used as cases, Sony Ericsson and LG Electronics. The data collection was of qualitative nature and four respondents were chosen to be interviewed.   In the Swedish mobile phone industry, the researchers have identified two types of products; class products and innovation product, which have been identified, defined and named by the researchers themselves. Class products are defined as “mobile phones with no significant innovation value for the consumers”, whereas innovation products are defined as “mobile phones with high innovation value”. The main difference is that class products will never attract the interest of the early market and therefore they are usually launched directly to the mainstream market, ignoring the chasm. Factors such as incremental changes, development of IT, changes in how to market new technologies and overlapping groups in the life cycle has narrowed down the chasm in the industry for innovation products. The most important strategy in order to reach the mainstream market is partnerships and alliances and it is impossible for a manufacturer to survive on their own.

<p>Market information and established communication between seller and buyer play an important role in business activities. This thesis investigates the Transkei area in the Eastern Cape&nbsp / Province, South Africa to find out how to empower rural farmers by providing them with less-expensive mobile technology enabling them to post and advertise their produce, access market&nbsp / information on a common database, and find and communicate with potential customers. The farmers&rsquo / requirements were identified using quantitative and qualitative methods and a prototype&nbsp / consisting of USSD and web applications was developed. It allows the farmer to follow a sequence of menu commands to send a request to the database and access market information, such&nbsp / as commodity prices, and post information about their own produce so as to attract more customers. The low cost of USSD and the ubiquity of mobile phones enable the system to be usable, affordable and effective. During the final stage of development, the system was tested successfully and addressed a major problem faced by farmers, i.e. lack of access to market information.</p>

In this thesis, an internal mobile phone antenna with a distributed matching circuit for eight-band LTE/WWAN operation is presented. By selecting proper dimensions of the distributed matching circuit, the bandwidth of the proposed antenna can be greatly enhanced. Good radiation characteristics are also obtained, and the proposed antenna occupies only 60 ¡Ñ 10 ¡Ñ 3 mm^3 and is very suitable for slim mobile phone applications. Effects of the human body including user¡¦s head and hand are also studied, and the SAR and HAC issues are simulated and analyzed in this thesis.

Bandwidth enhancement of the LTE/WWAN handset antenna achieved by improving the excited surface current distribution in the system ground plane is presented. To achieve this goal, the system ground plane is shaped to be of a C-shape in this thesis. In this case, the longitudinal excited surface current in the system ground plane can have a smooth distribution. The proposed antenna is disposed at one edge of the C-shaped system ground plane, and the antenna comprises a driven monopole strip, a shorted monopole strip and a distributed parallel resonance (PR) circuit. By controlling the resonant frequency of the distributed PR circuit, it can result in dual-resonance excitation of the lowest resonant mode contributed by the shorted monopole strip to cover the LTE700/GSM850/900 operation. The antenna also occupies a small volume of 44 ¡Ñ 10 ¡Ñ 5 mm3 (about 2.2 cm3). Good radiation characteristics of the antenna are also obtained. For practical applications, effects of the electrical connection between the system ground plane and the surrounding metal elements such as the battery¡¦s metal casing and the handset metal midplate are studied. The simulated SAR (Specific Absorption Rate) and HAC (Hearing Aid Compatibility) results are also analyzed.

In this thesis, the study mainly focuses on the current trends in development of compact multi-media mobile phone and provides a wideband monopole antenna design suitable for application in wireless communicating system in the near future. By utilizing the planar monopole antenna structure, the proposed antenna design is easy to be embedded into the mobile phone. Further, by using a shielding metal cover, we create a zone with low surface current distribution. This effect will reduce the electromagnetic coupling between the antenna and the electronic elements and make it possible to integrate more related elements into the mobile phones. Finally, we use the simulation software to analyze the dielectric effect caused by the casing of mobile phone and human body on the proposed antenna.

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{font-family:Garamond; panose-1:2 2 4 4 3 3 1 1 8 3; mso-font-charset:0; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:647 0 0 0 159 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-unhide:no; mso-style-qformat:yes; mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:9.0pt; margin-left:0cm; text-align:justify; mso-pagination:widow-orphan; font-size:12.0pt; mso-bidi-font-size:10.0pt; font-family:"Garamond","serif"; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-fareast-language:EN-US;} .MsoChpDefault {mso-style-type:export-only; mso-default-props:yes; font-size:10.0pt; mso-ansi-font-size:10.0pt; mso-bidi-font-size:10.0pt; mso-ascii-font-family:"Tms Rmn"; mso-hansi-font-family:"Tms Rmn";} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 70.85pt 70.85pt 70.85pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> <!--[if gte mso 10]> <mce:style><! /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} --> <!--[endif]--><!--[if gte mso 9]><xml> <o:shapedefaults v:ext="edit" spidmax="1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1" /> </o:shapelayout></xml><![endif]--></p><p>The 1990s is commonly referred as the Golden Age for High Technology and during this time the industry grew with a rapid speed. As a result, the consumers were presented with a various number of innovative products such as the Internet, computers and mobile phones. Within the High Tech frame, one of the fastest growing industries is the mobile phone handset industry. In 2006, 800,2 million mobile phones were sold worldwide and the market value was $104,3 billion. Forecasts about the mobile phone market predicts that the market will grow to 1,8 billion units in 2011 and have a value of $211,9 billion.</p><p> </p><p>However, during this time, the researcher, Geoffrey Moore, identified a problem for the High Tech companies, i.e. the chasm. The chasm is a gap between the early market and the mainstream market that has arisen due to the characteristics of the high tech industry and the differences between these two groups. Due to the fact, that the early market only represents 10-15% of the total market it is vital for companies to cross the chasm and reach the mainstream market, in order to cover the high initial R&D costs.</p><p> </p><p>Therefore, the purpose of this thesis is to conduct a qualitative study within the Swedish mobile phone industry to understand how the manufacturers’ products are crossing the chasm.</p><p> </p><p>The research has been carried out as a case study, and two of the largest mobile phone manufacturers were used as cases, Sony Ericsson and LG Electronics. The data collection was of qualitative nature and four respondents were chosen to be interviewed.</p><p> </p><p>In the Swedish mobile phone industry, the researchers have identified two types of products; class products and innovation product, which have been identified, defined and named by the researchers themselves. Class products are defined as “mobile phones with no significant innovation value for the consumers”, whereas innovation products are defined as “mobile phones with high innovation value”. The main difference is that class products will never attract the interest of the early market and therefore they are usually launched directly to the mainstream market, ignoring the chasm. Factors such as incremental changes, development of IT, changes in how to market new technologies and overlapping groups in the life cycle has narrowed down the chasm in the industry for innovation products. The most important strategy in order to reach the mainstream market is partnerships and alliances and it is impossible for a manufacturer to survive on their own.</p><p> </p>

This dissertation presents LAISYC, a modular location-aware architecture for intelligent real-time mobile applications that is fully-implementable by third party mobile app developers and supports high-precision and high-accuracy positioning systems such as GPS. LAISYC significantly improves device battery life, provides location data authenticity, ensures security of location data, and significantly reduces the amount of data transferred between the phone and server. The design, implementation, and evaluation of LAISYC using real mobile phones include the following modules: the GPS Auto-Sleep module saves battery energy when using GPS, maintaining acceptable movement tracking (approximately 89% accuracy) with an approximate average doubling of battery life. The Location Data Signing module adds energy-efficient data authenticity to this architecture that is missing in other architectures, with an average approximate battery life decrease of only 7%. The Session Management and Adaptive Location Data Buffering modules also contribute to battery life savings by providing energy-efficient real-time data communication between a mobile phone and server, increasing the average battery life for application data transfer by approximately 28% and reducing the average energy cost for location data transfer by approximately 38%. The Critical Point Algorithm module further reduces battery energy expenditures and the amount of data transferred between the mobile phone and server by eliminating non-essential GPS data (an average 77% reduction), with an average doubling of battery life as the interval of time between location data transmissions is doubled. The Location Data Encryption module ensures the security of the location data being transferred, with only a slight impact on battery life (i.e., a decrease of 4.9%). The LAISYC architecture was validated in two innovative mobile apps that would not be possible without LAISYC due to energy and data transfer constraints. The first mobile app, TRAC-IT, is a multi-modal travel behavior data collection tool that can provide simultaneous real-time location-based services. In TRAC-IT, the GPS Auto-Sleep, Session Management, Adaptive Location Data Buffering, Critical Point algorithm, and the Session Management modules all contribute energy savings that enable the phone's battery to last an entire day during real-time high-resolution GPS tracking. High-resolution real-time GPS tracking is critical to TRAC-IT for reconstructing detailed travel path information, including distance traveled, as well as providing predictive, personalized traffic alerts based on historical and real-time data. The Location Data Signing module allows transportation analysts to trust information that is recorded by the application, while the Location Data Encryption module protects the privacy of users' location information. The Session Management, Adaptive Location Data Buffering, and Critical Point algorithm modules allow TRAC-IT to avoid data overage costs on phones with limited data plans while still supporting real-time location data communication. The Adaptive Location Data Buffering module prevents tracking data from being lost when the user is outside network coverage or is on a voice call for networks that do not support simultaneous voice and data communications. The second mobile app, the Travel Assistance Device (TAD), assists transit riders with intellectual disabilities by prompting them when to exit the bus as well as tracking the rider in real-time and alerting caregivers if they are lost. In the most recent group of TAD field tests in Tampa, Florida, TAD provided the alert in the ideal location to transit riders in 100% (n = 33) of tests. In TAD, the GPS Auto-Sleep, Session Management, Adaptive Location Data Buffering, Critical Point algorithm, and the Session Management modules all contribute energy savings that enable the phone's battery to last an entire day during real-time high-resolution GPS tracking. High-resolution GPS tracking is critical to TAD for providing accurate instructions to the transit rider when to exit the bus as well as tracking an accurate location of the traveler so that caregivers can be alerted if the rider becomes lost. The Location Data Encryption module protects the privacy of the transit rider while they are being tracked. The Session Management, Adaptive Location Data Buffering, and Critical Point algorithm modules allow TAD to avoid data overage costs on phones with limited data plans while still supporting real-time location data communication for the TAD tracking alert features. Adaptive Location Data Buffering module prevents transit rider location data from being lost when the user is outside network coverage or is on a voice call for networks that do not support simultaneous voice and data communications.