The protocol can search multiple feasible tree branches, and select the optimal or near optimal branch for connecting the new receiver to the multicast tree if it exists.
该协议可搜索多条可行树枝，并能选择一条最优(或近优)树枝将新成员连接到多播树。
2
Adoption of the satellite search method provided by the invention and the receiver implementing such a method can shorten the time for acquiring a visible satellite.
利用本发明所提供的卫星搜索方法及实施该方法的接收机，缩短了获取可见卫星的时间。
3
The GPS receiver associated with the cell-phone is aided with information received from the cell-site and webserver that help reduce satellite search uncertainty.