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经过了4年多的努力,无线局域网(WLAN)的标准草案IEEE802.11已经形成。虽然这个草案还在复查之中,但许多公司估计它将会被批准,因而已推出了基于这个标准的芯片和系统。工业界人士预计,WLAN市场将很快从目前的近2亿美元发展到1997年的14亿美元。 WLAN的最大优点是取消了该处各个人计算机之间的连接线。在某些应用场合中、尤其是水泥地板和没有布线管道的建筑物中,布线的成本可能高于PC的成本。即使网络已经建成,再安装一些联网PC也需要很高的费用。WLAN的最大发展障碍是缺少统一标准。因此,新标准具有很重大的实际意义。标准的实施将带来大规模生产效益,有线LAN接口设备与无线LAN接口设备的价格比将从当前的6:1下降到2.5:1。
After more than 4 years of hard work, the standard draft of wireless local area network (WLAN) IEEE802.11 has been formed. Although the draft is still under review, many companies estimate it will be approved and have introduced chips and systems based on this standard. Industry sources expect the WLAN market to quickly grow from nearly 200 million U.S. dollars today to 1.4 billion U.S. dollars in 1997. The biggest advantage of WLAN is the cancellation of the connection between the personal computer. In some applications, especially in concrete floors and buildings without wiring ducts, the cost of wiring can be higher than the cost of a PC. Even if the network has been completed, then install some networked PCs also need a high cost. The biggest obstacle to WLAN development is the lack of a unified standard. Therefore, the new standard has very important practical significance. Standard implementation will lead to large-scale production efficiency, the wired LAN interface device and wireless LAN interface device price ratio will drop from the current 6: 1 to 2.5: 1.