论述了双向寻呼网络系统的工作原理、通信链路、网关及漫游，总结了双向寻呼网络系统的优点。

This paper discusses the working principle, link, gateway, roaming of the two-way paging network system, and concludes advantages of the system.

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传统的资源共享系统，比如MOSIX，期望建立在快速和静止的通信信道之上，并且不能在不稳定和慢速的无线链路下工作。

Traditional resource sharing systems, such as MOSIX, expect to lay on top of a fast and static communication channel, and cannot function on top of a volatile and slow wireless links.

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解决HFC网上行链路汇聚噪声问题的关键是使设备都工作在较高的CNR值而又不产生失真。

In order to resolve the problems of mass noise caused by up links in HFC net, it is the key that equipments should be operated in a high CNR value and that no distortion produced.

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