Mobile communication system and usage scenario determination method for the same

1 . A usage scenario determination method of a mobile communication system, comprising:

determining a first antenna scenario based on a first impedance measurement on a first transmission antenna;

determining a second antenna scenario based on either a second impedance measurement on a second transmission antenna or a sensor information or a receiving antenna tuner states sweeping result; and

determining a usage scenario of the mobile communication system based on both the first antenna scenario and the second antenna scenario;

wherein

the first antenna scenario includes a free space mode and a single hand mode;

the second antenna scenario includes the free space mode, the single hand mode and a table mode;

the usage scenario of the mobile communication system includes a single hand use mode, a gaming hand mode and a navigation mode;

when the first antenna scenario is the free space mode and the second antenna scenario is the single hand mode, the usage scenario of the mobile communication system is the single hand use mode;

when the first antenna scenario is the single hand mode and the second antenna scenario is the free space mode, the usage scenario of the mobile communication system is the single hand use mode;

when both the first antenna scenario and the second antenna scenario are the single hand mode, the usage scenario of the mobile communication system is the gaming hand mode; and

when the first antenna scenario is the free space mode and the second antenna scenario is

the table mode, the usage scenario of the mobile communication system is the navigation mode.

2 . The usage scenario determination method according to claim 1 , wherein:

when a power headroom (PHR) parameter is over a scenario detection trigger threshold, the first impedance measurement on the first transmission antenna is triggered.

3 . The usage scenario determination method according to claim 1 , wherein:

when a download throughput is dropped below a throughput threshold and when a SNR (signal-noise ratio) is dropped below an SNR threshold, collection of the sensor information is triggered.

4 . The usage scenario determination method according to claim 1 , further comprising:

sweeping a plurality of corresponding receiving antenna tuner states used in different usage scenarios to generate the receiving antenna tuner states sweeping result before determining the second antenna scenario.

5 . The usage scenario determination method according to claim 1 , further comprising:

cross-checking the first antenna scenario and the second antenna scenario before determining the usage scenario of the mobile communication system based on both the first antenna scenario and the second antenna scenario.

6 . A mobile communication system, comprising:

an antenna group;

a coupler coupled to the antenna group, the coupler being used in impedance measurement of the antenna group;

a controller coupled to the coupler; and

a sensor coupled to the controller, the sensor for sensing and sending sensor information to the controller,

wherein the controller is configured for:

determining a first antenna scenario based on a first impedance measurement on a first transmission antenna of the antenna group;

determining a second antenna scenario based on either a second impedance measurement on a second transmission antenna of the antenna group or the sensor information or a receiving antenna tuner states sweeping result; and

determining a usage scenario of the mobile communication system based on both the first antenna scenario and the second antenna scenario;

wherein

the first antenna scenario includes a free space mode and a single hand mode;

the second antenna scenario includes the free space mode, the single hand mode and a table mode;

the usage scenario of the mobile communication system includes a single hand use mode, a gaming hand mode and a navigation mode;

when the first antenna scenario is the free space mode and the second antenna scenario is the single hand mode, the usage scenario of the mobile communication system is the single hand use mode;

when the first antenna scenario is the single hand mode and the second antenna scenario is the free space mode, the usage scenario of the mobile communication system is the single hand use mode;

when both the first antenna scenario and the second antenna scenario are the single hand mode, the usage scenario of the mobile communication system is the gaming hand mode; and

when the first antenna scenario is the free space mode and the second antenna scenario is the table mode, the usage scenario of the mobile communication system is the navigation mode.

7 . The mobile communication system according to claim 6 , wherein:

when a power headroom (PHR) parameter is over a scenario detection trigger threshold, the controller triggers the first impedance measurement on the first transmission antenna.

8 . The mobile communication system according to claim 6 , wherein:

when a download throughput is dropped below a throughput threshold and when a SNR (signal-noise ratio) is dropped below an SNR threshold, the controller triggers collection of the sensor information.

9 . The mobile communication system according to claim 6 , further comprising a receiving antenna tuner coupled to the antenna group and the coupler,

wherein the controller sweeps a plurality of corresponding receiving antenna tuner states used in different usage scenarios to generate the receiving antenna tuner states sweeping result before the controller determines the second antenna scenario.

10 . The mobile communication system according to claim 6 , wherein

the controller cross-checks the first antenna scenario and the second antenna scenario before determining the usage scenario of the mobile communication system based on both the first antenna scenario and the second antenna scenario.