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在展望下一代寻呼能给我们带来什么好处之前,我们有必要回顾一下促使寻呼业迅速普及的几件大事。在世界范围内,寻呼业一直在以年平均20％的速度增长着。 许多人还记得那个时候,如果有谁腰里别着一个寻呼机,他很可能是医生、电工、管工、护士等从事“立即服务”职业的人。而现在,寻呼机已是一种很平常的通信工具。 那么寻呼机是如何从为少数人服务发展成真正的大众通信工具的呢?原因可能多种多样,但社会流动性的增加是一个主要原因。据估计,美国约有4,000万人在汽车里办公。而与这些人保持联系是必要的。伴随这种需求的出现,寻呼公司发现原有寻呼协议已不能满足需要。原有协议只能提供
Before we look at the benefits that next-generation paging can bring to us, it is necessary to review several major events that have contributed to the rapid spread of the paging industry. In the world, the paging industry has been growing at an average annual rate of 20%. Many remember the same time, anyone who had a pager in his waist might well be a doctor, an electrician, a foreman, a nurse, or someone engaged in an “immediate service” occupation. Now, pager is a very common communication tool. So how can pagers evolve from serving minorities to becoming a true mass communication tool? The reasons may vary, but the increase in social mobility is a major cause. It is estimated that about 40 million people in the United States work in cars. It is necessary to keep in touch with these people. With the emergence of this demand, paging companies found that the original paging agreement can not meet the needs. The original agreement can only be provided