Therefore, this paper analyzes the feature of 3G wireless packet data services on the basis of current data service models and introduces some typical packet data service models.
对未来3G无线分组数据业务的特性进行了分析，给出了若干典型的无线分组数据业务模型。
This part USES GPRS (General Packet Radio Service) Which is a long-distance wireless communication technology to be responsible for data to upload the host computer and receive control commands.
此部分采用的是GPRS(通用分组无线业务)这种长距离无线通信技术来负责数据的上传以及接收上位机的控制命令。
应用推荐