Mobile Computing Architecture

Mobile Computing Architecture

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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Affiliated Institution of G.G.S.I.P.U, Delhi BCA Mobile Computing BCA 3014 Mobile Computing Architecture Keywords: Programming Language, Middleware
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Mobile computing Architecture • Programming languages used for mobile system software • Operating system functions to run the software components onto the hardware • Middleware components deployment
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Mobile computing Architecture • Layered structure arrangement of mobile computing components • Protocols and layers used for transmission and reception
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Programming Languages • Java-J2SE • J2ME (Java2 Micro edition) • JavaCard (Java for smart card) • The Java enterprise edition (J2EE) used for web and enterprise server based applications of mobile services • C and C++ • Visual C++ • Visual Basic
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Operating System • Symbian OS, Window CE, Mac OS… • Offers the user to run an application without considering the hardware specifications and functionalities • Provides functions which are used for scheduling the multiple tasks in a system
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Operating System • Provides the functions required for the synchronization of multiple tasks in the system • Multiple threads synchronization and priority allocation • Management functions (such as creation, activation, deletion, suspension, and delay) for tasks and memory
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Operating System • Provides Interfaces for communication between software components at the application layer, middleware layers, and hardware devices • Facilitates execution of software components on diversified hardware • Provides Configurable libraries for the GUI (graphic user interface) in the device
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Operating System • Provides User application’s GUIs, VUI (voice user interface) components, and phone API • Provides the device drivers for the keyboard, display, USB, and other devices
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Middleware for Mobile Systems • Software components that link the application components with the network-distributed components • To discover the nearby device such as Bluetooth • To discover the nearby hot spot
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Middleware for Mobile Systems • For achieving device synchronization with the server or an enterprise server • For retrieving data (which may be in Oracle or DB2) from a network database • For service discovery at network • For adaptation of the application to the platform and service availability
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Mobile Computing Architectural Layers
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Mobile computing services Protocols • Such as GSM 900, GSM900/1800/1900, UMTS, and I-Mode • WPAN protocols─ Bluetooth, IrDA, and Zigbee) • WLAN protocols ─for example, 802.11a and 802.11b) • WAP
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Mobile Computing System Layers 1. Physical for sending and receiving signals (for example, TDMA or CDMA coding) 2. Data-link (for example, multiplexing) 3. Networking (for linking to the destination) 4. Wireless transport layer security (for establishing end-to-end connectivity) 5. Wireless transaction protocol 6. Wireless session protocol 7. Wireless application environment (for running a web application, for example, mobile e-business)
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  TRINITY INSTITUTE OFPROFESSIONAL STUDIES Sector – 9, Dwarka Institutional Area, New Delhi-75 Summary • Mobile Computing Programming languages─ Java, J2ME, C/C++, Visual Basic, visual C++ • OS─ Symbian OS, Window CE, Mac OS • Middleware components • Architecture software layers • Protocols layers • Network Layers