Description

Mobile computing is human–computer interaction in which a computer is expected to be transported during normal usage, which allows for the transmission of data, voice, and video. Mobile computing involves mobile communication, mobile hardware, and mobile software. Communication issues include ad hoc networks and infrastructure networks as well as communication properties, protocols, data formats, and concrete technologies. Hardware includes mobile devices or device components. Mobile software deals with the characteristics and requirements of mobile applications. Portability: Devices/nodes connected within the mobile computing system should facilitate mobility. These devices may have limited device capabilities and limited power supply but should have a sufficient processing capability and physical portability to operate in a movable environment. Connectivity this defines the quality of service (Qi’s) of the network connectivity. In a mobile computing system, the network availability is expected to be maintained at a high level with a minimal amount of lag/downtime without being affected by the mobility of the connected nodes. Interactivity the nodes belonging to a mobile computing system are connected with one another to communicate and collaborate through active transactions of data.  Individuality A portable device or a mobile node connected to a mobile network often denotes an individual; a mobile computing system should be able to adopt the technology to cater to the individual needs and also to obtain contextual information of each node.

Portable computers, compact, lightweight units including a full character set keyboard and primarily intended as hosts for software that may be parameterized, such as laptops/desktops, smartphones tablet smart cards that can run multiple applications but are typically used for payment, travel, and secure area access. Mobile phones, telephony devices which can call from a distance through cellular networking technology. Wearable computers mostly limited to functional keys and primarily intended for the incorporation of software agents, such as bracelets, keyless implants, etc. Expandability, replaceability and modularity: In contrast to the common traditional motherboard-based PC the SoC architecture in which they are embedded makes these features impossible. Lack of a BIOS: As most smart devices lack a proper BIOS, their boot loading capabilities are limited as they can only boot into the single operative system with which it came, in contrast with the PC BIOS model.Range and bandwidth: Mobile Internet access is generally slower than direct cable connections, using technologies such as GPRS and EDGE, and more recently HSDPA, HSUPA, 3G and 4G networks and also the proposed 5G network. These networks are usually available within a range of commercial cell phone towers. High-speed network wireless LANs are inexpensive but have a very limited range. Security standards: When working mobile, one is dependent on public networks, requiring careful use of VPN. Security is a major concern while concerning the mobile computing standards on the fleet. One can easily attack the VPN through a huge number of networks interconnected through the line. on battery power. Combined with the compact size of many mobile devices, this often means unusually expensive batteries must be used to obtain the necessary battery life.

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John Gresham  
journal coordinator
international journal of innovative research in computer and communication engineering