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GNSS-Standalone Mode

The handset demodulates the data directly from the GNSS satellites.

This mode has some reduced cold-start sensitivity, and a longer time to first fix as compared to the assisted modes.

However, it requires no server interaction and works out of network coverage.

Default use GPS, GLONASS, BEIDOU, can use AT+CGNSSMODE set.

 

 

 

명령시퀀스: GNSS Standalone Mode

GNSS Standalone 모드를 동작시키는 과정은 다음 3가지 방법 중에 하나를 활용할 수 있다.

 

Method-1: Auto Start between Cold and Hot Start

 

No Command Response Description
AT+CGPS=0    
1 AT+CGPS=1,1 OK Auto Start/Enable GNSS engine
2 AT+CGPSINFO

+CGPSINFO: 3723.803236,N,12706.570412,

E,261221,060802.0,87.0,0.0,

OK

Get GNSS Position Information

 

 

 

 

Method-2: Cold Start

 

No Command Response Description
AT+CGPS=0    
1 AT+CGPSCOLD OK Cold start/Enable GNSS engine
2 AT+CGPSINFO

+CGPSINFO: 3723.787128,N,12706.552317,

E,261221,061554.0,87.5,0.0,

OK

Get GNSS position information

 

 

 

Method-3: HOT Start

 

No Command Response Description
AT+CGPS=0    
1 AT+CGPSHOT OK Hot start/enable GNSS engine
2 AT+CGPSINFO

+CGPSINFO: 3723.790915,N,12706.544838,

E,261221,061644.0,109.4,0.0,

OK

Get GNSS position information

 

 

 

 

 

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