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In recent years, the number of portable mobile terminal users is increasing with improvement of the wireless communication environment. In addition, mobile multimedia services also bring the increase of wireless traffic and lack of spectrum resources. As a technique for efficient spectrum use, spectrum sharing receives much attention. It dynamically assigns a spectrum channel from a larger area network such as WiMAX to smaller area networks such as WiFi-based wireless LANs and achieves to increase the total wireless communication capacity of this area. In a case where all providers are cooperative, the spectrum sharing can be realized easily and improve user throughput in average. In another case where providers are not cooperative, some spectrum trading methods based on auction theory had been proposed.

it is the driver of dvb-t stb device on based by dib8090 chipset(it is very useful for stb designer)

获取网卡地址mac。网络编程实例。初学使用-mac

GPS官方ICD，gps电文详细说明，包括星历、历书、utc、电离层等格式详细说明。(gps icd )

用户可以选择谈话对象，选择多种动作，设置字体，悄悄话，过滤信息等-users can choose interlocutors, and multiple moves installed fonts, whispered, filtering information

说明：  利用WM_CTLCOLOR消息实现编辑控制（Edit Control）的文本与背景色的改变(Use WM_CTLCOLOR message to change the text and background color of Edit Control)

将需要保存的数据，保存在EXCEL文档或者TXT文档中。(save you need data for excel or txt file,in NI labview entironment.)

黑客界的《圣经》——How to become a hacker是经典的计算机书籍，里面包含的成为黑客的理论非常全面，对软件研发人员非常有用(Hacker community bible How to become a hacker is a classical computer books, containing a very comprehensive the hacker s theory, is very useful for software developers)

说明：  C语言编程实例之用画线函数作出地图案!很好用(C language programming examples of the function with a painting made to pictorial! Good use)

老虎机/普通摇奖机程序，用C#编写，当前一个常见的彩票系统与此程序类似，大家一起讨论(Slot machines/general ERNIE program, written in C#, currently a common lottery system similar to this program, we can discuss)