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<p>As evolving technologies make wireless computing more attractive, the availability of bandwidth will become more and more of an issue. While spectrum is getting less expensive, it is also getting more crowded, particularly at times of peak use. As spectrum becomes more limited, users will be increasingly driven to use higher frequencies with higher device costs. </p> <p>Quality of service will also become a key consideration for wireless. Many of the telemetry and control applications that will consume an increasing percentage of bandwidth require real-time data services. </p> <p>The best solution to the spectrum saturation and bandwidth availability problem is to adopt technologies that make the most efficient use of existing spectrum through frequency reuse schemes, optimized signaling mechanisms, and scalable network architectures. </p> <p>But if wireless networks are to be a truly viable technology they'll need to be ubiquitous, robust, scalable, secure, and open. To achieve these goals quickly, we'll need to accelerate the development and implementation of a number of key technologies, including spread spectrum multihopping.</p>

H. S. Alkhatib, C. Bailey, M. Gerla and J. McCrae, "Wireless Data Networks: Reaching the Extra Mile," in Computer, vol. 30, no. , pp. 59-62, 1997.
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