一个功能完善的ota bookmark 批量发送器。支持定时和限制时间段发送，支持发送频率，该程序没有配置网关程序，因为网关部分因协议的不同需要调整，但都属于数据库操作部分，所以只需要修改插入网关号之类的就可以了。目前该ota编码方式采用的是拼串方式非oma的wdp\wsp组合模式。-A full-fledged ota bookmark bulk transmitters. Support for restrictions on timing and time to send in suppo

If SDMA is used on the downlink of a multi-user MIMO system, either long-term or short-term channel state information has to be available at the base station (BS) to faciliate the joint precoding of the signals intended for the different users.