The interdisciplinary field of smart antennas has matured significantly in the 1990s. It has become clear that this area of work will provide a key technological boon for the wireless communications industry. By early 1999 there will be nearly 300 million wireless subscribers throughout the world, yet there has been relatively little radio spectrum provided to the mobile communications industry since the late 1970s and early 1980s, when cellular telephone systems around the world hosted their very first subscribers.
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The interdisciplinary field of smart antennas has matured significantly in the 1990s. It has become clear that this area of work will provide a key technological boon for the wireless communications industry. By early 1999 there will be nearly 300 million wireless subscribers throughout the world, yet there has been relatively little radio spectrum provided to the mobile communications industry since the late 1970s and early 1980s, when cellular telephone systems around the world hosted their very first subscribers.
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