Patent ID: 11953606
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 13:
14. The terminal device of claim 11, wherein the GNSS chip further comprises a third interface corresponding to a third frequency band in the GNSS chip, and wherein the preprocessing system further comprises:
a third port comprising:
an eleventh end; and
a twelfth end suspended; and

a second switch comprising:
a thirteenth end coupled to a fourteenth end of the filter;
a fifteenth end coupled to the eleventh end; and
a third connecting end coupled to the third interface,

wherein the second switch is configured to couple the filter and the third interface,
wherein the antenna is configured to receive a third positioning signal in the third frequency band, and
wherein the GNSS chip is further configured to process the first positioning signal, the second positioning signal, and the third positioning signal.