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

Claim 18:
19. The terminal device of claim 16, further comprising a third antenna, 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 coupled to the third antenna,

wherein the third antenna is configured to receive a third positioning signal in the third frequency band; and
a second switch comprising:
a thirteenth end coupled to the eleventh end;
a fourteenth end coupled to a fifteenth end of the filter; and
a third connecting end coupled to the third interface,

wherein the second switch is configured to couple the third port and the third interface,
wherein the GNSS chip is further configured to process the third positioning signal.