Patent ID: 11921226
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. The method according to claim 10, wherein, before sending PRS or C-PRS, the method further comprises:
obtaining, by the network side device, global navigation satellite system GNSS signal quality information of the first vehicle, wherein the GNSS signal quality information includes a quantity of satellite signals received by the first vehicle and a receiving quality of the satellite signals; and
determining, by the network side device, sending parameters of the PRS and the C-PRS sent to the first vehicle according to the GNSS signal quality information of the first vehicle, wherein the sending parameters include transmission frequency, transmission power, and transmission times per time unit, GNSS signal quality information with a better quality corresponds to sending parameters with a lower sending level,
wherein the acquiring GNSS signal quality information of the first vehicle comprises:
receiving, by the network side device, a GNSS signal measurement result of the first vehicle; wherein the network side device determines GNSS signal quality information of the first vehicle according to the GNSS signal measurement result of the first vehicle; or
requesting, by the network side device, the GNSS signal quality information of the first vehicle from the location server, and receiving the GNSS signal quality information of the first vehicle returned by the location server.