The hardware of this system is based on the layer distribution structure of the IPC data collecting system and the network communication of upper and lower computers.
该系统硬件采用基于I P C 的数据采集系统及上、下位机网络通信的分层分布结构；
Finally, we deliver the designed MAC layer, network layer protocol and the related upper application into GAINZ nodes, to measure network-building, data transmission and GPRS connectivity.
论文最后把所设计的MAC层、网络层协议及相关上层应用实施到GAINZ节点中，实测网络构建、数据传输和GPRS连接功能。
Theoretical analysis demonstrates that the new method is transparent to the upper layer applications and underlying network services, backward compatible, easy to deploy and cost effective.
理论分析表明，该技术具有对上层应用和底层网络服务透明、节省开销、部署灵活、向后兼容等优点。
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