论文部分内容阅读
从电信部门的业务提供点（如交换机，CATV中心）到用户之间的网络称作用户接入网，而无线接入是完成用户接入网的一种重要的接入方式。无线接入技术也称无线接续技术，或称无线本地环路（WLL），其主要功能是以无线技术为传输媒介向用户提供固定或移动终端的业务。无线本地环路
The network from the service provider’s point (such as switches and CATV centers) to the users in the telecommunications sector is called the user access network, and wireless access is an important access way to complete the user access network. Wireless access technology, also known as wireless connection technology, or wireless local loop (WLL), its main function is to use wireless technology as a transmission medium to provide users with fixed or mobile terminal services. Wireless local loop