Disadvantages of Assisted Global Positioning Satellite System

While AGPS technology offers high positioning accuracy and short time to first capture GPS signals, there are some drawbacks to the technology. First, the problem of indoor positioning still cannot be solved satisfactorily. In addition, AGPS positioning must be realized through multiple network transmissions (up to six unidirectional transmissions), which is considered to be a large amount of air resources for the operator.The most important problem of AGPS is that users have to change the cell phone to use the mobile positioning service is difficult to accept. Moreover, AGPS cell phone has a certain extra burden on power consumption than general cell phone, which indirectly shortens the standby time of cell phone. In addition, there is the problem of the effectiveness of the use. Because the GPS system is owned and controlled by the U.S. government, in extraordinary times (such as wars, natural disasters, etc.), civilian GPS services may be affected, AGPS positioning business is more difficult to operate normally. In short, this technology is in the traditional GPS technology to change the GPRS line for data transmission, the original GPS chip directly to find the satellite to find the base station to assist, is a more advanced positioning technology.