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

Claim 15:
16. A terminal device comprising:
a global navigation satellite system (GNSS) chip comprising:
a first interface corresponding to a first frequency band in the GNSS chip; and
a second interface corresponding to a second frequency band in the GNSS chip;

a first antenna configured to receive a first positioning signal in the first frequency band;
a second antenna configured to receive a second signal comprising a second positioning signal in the second frequency band; and
a preprocessing system comprising:
a filter comprising:
a first end;
a second end; and
a first connecting end coupled to the second interface;

a first port comprising:
a third end; and
a fourth end coupled to the first antenna;

a first switch comprising:
a fifth end coupled to the second end;
a sixth end coupled to the third end; and
a second connecting end coupled to the first interface,
wherein the first switch is configured to couple the first port and the first interface; and

a second port comprising:
an eighth end coupled to the first end; and
a ninth end coupled to the second antenna,
wherein the filter is configured to provide the second positioning signal to the second interface,

wherein the GNSS chip is configured to process the first positioning signal and the second positioning signal.