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What is Digital Wireless Technology

Encyclopedia of Multimedia Technology and Networking, Second Edition
The term adopted by the ITU to describe its specification for generations of wireless services that build towards broadband; digital wireless technology encompasses many different technologies that operate simultaneously in a digital wireless network, such as 2G, ERPS, and 3G.
Published in Chapter:
Evolution not Revolution in Next-Generation Wireless Telephony
Antti Ainamo (University of Turku (UTU), Finland)
DOI: 10.4018/978-1-60566-014-1.ch067
Traditionally, design for industry transformed consumers’ and other product users’ everyday lives in one of two ways: “technology-push” or “market-pull”. In technology-push, producers took a given technology or a well-specified technological subsystem, applying it into consumers’ everyday lives as true to the original as possible. In market-pull, producers took consumer demand as their point of origin, channeling only those new technologies that consumers demanded (Ulrich & Eppinger, 1995). The traditional trade-off was that technology-push isolated design from consumers and other users, and market-pull isolated it from technology. Now, with technological advances, the market-pull side has developed a wholly new kind of sensibility to mold the evolution of technology. This is because of the multitude and diversity of the kinds of technologies that can be offered to consumers. Besides designing products or services by using front-end planning, products or services can also be designed by using feedback from users and customers, who thus become key “co-producers” (Wikström, 1996). This kind of evolution is not, of course, altogether new. This kind of a strategy of “robust design” (i.e., the market introduction of a new product or service and its flexible adaptation to feedback) can be said to trace at least as far back as Edison. In the case of the electric light, Edison introduced the idea of diffusing the science-based benefits of technology to small businesses and consumer households in a way that was earlier reserved for only “high-tech” and large businesses (Hargadon & Douglas, 2001). The design of innovations that have followed this model include the design of automobiles, computers, and mobile telephones, respectively (Ainamo & Pantzar, 2000; Castells, 1996; Castells & Himanen, 2002; Djelic & Ainamo, 2005; Pantzar & Ainamo, 2004). Ford made the automobile accessible, while General Motors played a role in the 1920’s in contributing to the spread of the product platform concept as a basis for mass customization (see Pantzar & Ainamo, 2004, for a review). Apple made personal computers a consumer product. The current “third generation” of mobile telephony is finally bringing on the arrival into consumer homes of what has been called the “information society” (Bell, 1999). Now, there is obviously much interest in, and excitement about, “the next generation” of mobile telephony. Besides researchers who often have held a purely intellectual interest in the issue, many professional or novice engineers have a technological interest. Still other people are financial investors who are interested in the next generation to make money. Consumers and users of phones have an obvious interest in how to “domesticate” third-generation mobile telephony so as to manage their everyday life with a mobile phone and to run and organize their routines. How to approach next-generation mobile telephony? This article provides an overview of how the next-generation of telephony will be more a point in a long chain of evolution than it will be a revolution.
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