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介绍了IEEE802.11无线局域网技术规范.给出了ISM频段、扩频技术的背景及各国相应的标准、规范.描述了允许可证2.4GHzISM频段的直接序列扩频技术及IEEE802.11协议规范。
The IEEE802.11 wireless LAN technical specifications are introduced, and the background of ISM frequency band and spread spectrum technology as well as corresponding standards and norms are given.A direct sequence spread spectrum technology and IEEE802.11 protocol specifications that allow the licensed 2.4GHzISM band are described.