To provide reliable and guaranteed services for these applications, priority scheduling in the medium access control (MAC) layer is one of the key issues.
要为实时业务提供可靠的有质量保证的服务，无线网络媒体访问控制层(mac)的优先级调度问题是一个关键。
In detail, the author narrates the function and working elements of network card, and the signal processing from baseband to IF to RF, also the protocol process of medium access control (MAC) layer.
详细讲述了网卡的功能构成、工作原理、从射频到中频到基带的信号处理过程、以及媒体访问控制层(MAC)协议处理方法等。
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