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Mobile Computing: Mobile Computing Systems
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The mission of the Mobile Computing and Multimedia Laboratory (MCML) is to perform innovative research in the areas of mobile computer communications and multimedia systems. Members of the lab are investigating wireless and mobility problems such as routing protocols and algorithms, resource and service location protocols, performance evaluations of NFS and TCP, and mechanisms to improve throughput over wireless links. In addition, issues related to (video) data encoding and compression, resource allocation, traffic characterization and shaping, and multimedia teleconferencing are ... being addressed. Finally, a new class of operating system especially suitable for multimedia applications has been designed and developed.
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Mobile devices - namely PDAs like Apple Newton, Psion and WindowsCE systems - are mainly characterized by their small size and their usually weak computing power if compared to stationary computer systems. These restrictions (among others, e.g. weak displays etc.) lead to a number of classes of applications, which are especially well suited for being used with PDAs. Among the typical applications used with PDAs in every-day scenarios are "Notepad", "Address Book", "Calendar", "Communication" (by eMail), and "Information Retrieval" (by the means of the WWW). These applications can be found on almost every PDA by default. The data are stored in files with well known file semantic, which is vital for the implementation of Rich File Access and automatic conflict resolution as used by MLDAP. MLDAP is open and useful to any class of application, which is achieved mostly by the consistent view of the file system without regard to the actual location of the different files.
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MobileTech Solutions, Inc. (MTS) is a leading supplier of turnkey mobile computing system solutions for the Direct Store Delivery (DSD) segment. MTS provides a complete solution-hardware, software, and services-for field workforce management. The company integrates the mobile system for the DSD operation into host systems, routing systems, sales information systems, or other decision support systems clients have chosen for their organization. MTS clients include dairies, ice cream distributors, soft drink bottlers, bakeries, snack food companies, pizza distributors, coffee companies and more.
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Mobile computing and pervasive computing represent major evolutionary steps in a line of research dating back to the mid-1970s. Figure 1 illustrates this evolution from a systems-centric viewpoint. New problems are encountered as one moves from left to right in this figure. In addition, the solutions of many previously-encountered problems become more complex — as the modulation symbols suggest, this increase in complexity is multiplicative rather than additive. It is much more difficult to design and implement a mobile computing system than a distributed system of comparable robustness and maturity; a pervasive computing system is even more challenging. As Figure 1 indicates, the conceptual framework and algorithmic base of distributed systems provides a solid foundation for mobile and pervasive computing.
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The new Gateway Convertible Notebooks are ready for mobile computing with an enhanced ergonomic design that is comfortable for both right- and left-handed use as well as while standing or walking. Plus, the new Convertible Notebooks offer standard integrated 802.11a/b/g Wi-Fi for connecting to campus and wireless hot-spots, and Bluetooth® connectivity for a personal cord-free connection to headsets, printers and other peripherals. The systems deliver all-day computing with extended battery life of up to eight hours on a single charge of the optional high-capacity (12-cell) battery(2). In addition, the new Convertible Notebook PCs boast a durable design that features a magnesium display enclosure and reinforced magnesium internal super-structure that protect the system in demanding environments.
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Mobile computing has become an important part of health care's information technology toolbox. Technology advances and the proliferating health care applications indicate that mobile computing will find a secure place in both inpatient and outpatient care. Organizations can investigate the benefits technology offers and how mobile technology would fit in with current information systems, workflow, and care practices.
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