Method and apparatus for acquiring angle of departure (AOD) of terminal, and communication device

1 . A method for obtaining an angle of departure (AOD) of a terminal, performed by a sending terminal, comprising:

sending angle measuring signals to a receiving terminal at a plurality of sending positions;

receiving phase information, sent by the receiving terminal, of the angle measuring signals corresponding to the plurality of sending positions; and

obtaining, according to the phase information of the angle measuring signals, the AOD of the sending terminal;

wherein sending the angle measuring signals to the receiving terminal at the plurality of sending positions comprises:

sending the angle measuring signals with same antenna at the plurality of sending positions; or

sending angle measuring signals with same antenna at some of the plurality of sending positions, and sending angle measuring signals with different antennas at the other sending positions;

wherein before sending the angle measuring signals to the receiving terminal at the plurality of sending positions, the method further comprises:

sending a capability negotiation request to the receiving terminal, wherein the capability negotiation request is configured to negotiate whether the receiving terminal supports AOD measurement based on a phase; and

receiving a capability negotiation request response sent by the receiving terminal, wherein the capability negotiation request response is configured to indicate whether the receiving terminal supports the AOD measurement based on the phase;

wherein the capability negotiation request is sent or the capability negotiation request response is received through a terminal capability enquiry sidelink or a terminal capability information sidelink.

2 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 1 , wherein sending the angle measuring signals to the receiving terminal at the plurality of sending positions comprises:

sending the angle measuring signals to the receiving terminal for a plurality of times at the plurality of sending positions.

3 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 2 , wherein sending the angle measuring signals to the receiving terminal for the plurality of times at the plurality of sending positions comprises:

sending the angle measuring signals to the receiving terminal according to preset sending times corresponding to the plurality of sending positions; or

periodically sending the angle measuring signals to the receiving terminal at the plurality of sending positions.

4 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 1 , wherein before sending the angle measuring signals to the receiving terminal at the plurality of sending positions, the method further comprises:

negotiating an angle measuring parameter of the AOD with the receiving terminal using one of the following modes:

sending an angle measuring request to the receiving terminal, wherein the angle measuring request carries the angle measuring parameter; or

receiving an angle measuring request response sent by the receiving terminal, wherein the angle measuring request response carries the angle measuring parameter; or

sending resource scheduling information to the receiving terminal, wherein the resource scheduling information comprises the angle measuring parameter; or

sending negotiation indicating information to the receiving terminal, wherein the negotiation indicating information carries the angle measuring parameter;

wherein the angle measuring parameter comprises at least one of: a sending period, one or more sending times, a sending duration per sending for the angle measuring signals, a sending period for the phase information of the angle measuring signals, an angle measuring type or an angle measuring period of triggering angle measurement;

wherein before sending the angle measuring signals to the receiving terminal at the plurality of sending positions, the method further comprises:

configuring the angle measuring signals according to the angle measuring parameter.

5 . A communication device, comprising:

at least one processor; and

a memory communicatively connected to the at least one processor, wherein

the memory stores instructions executable by the at least one processor, and when executed by the at least one processor, the instructions cause the at least one processor to perform the method according to claim 1 .

6 . A method for obtaining an angle of departure (AOD) of a terminal, performed by a receiving terminal, comprising:

receiving angle measuring signals sent by a sending terminal at a plurality of sending positions;

obtaining phase information of the angle measuring signals corresponding to the plurality of sending positions; and

sending the phase information of the angle measuring signals to the sending terminal;

wherein the angle measuring signals comprise:

angle measuring signals sent by the sending terminal at the plurality of sending positions with same antenna; or

angle measuring signals sent by the sending terminal at some of the plurality of sending positions with same antenna, and angle measuring signals sent by the sending terminal at the other sending positions with different antennas;

wherein before receiving the angle measuring signals sent by the receiving terminal at the plurality of sending positions, the method further comprises:

receiving a capability negotiation request sent by the sending terminal, wherein the capability negotiation request is configured to negotiate whether the receiving terminal supports AOD measurement based on the phase information; and

sending a capability negotiation request response to the sending terminal, wherein the capability negotiation request response is configured to indicate whether the receiving terminal supports AOD measurement based on the phase information;

wherein the capability negotiation request is received or the capability negotiation request response is sent through a terminal capability enquiry sidelink or a terminal capability information sidelink.

7 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 6 , wherein receiving the angle measuring signals sent by the receiving terminal at the plurality of sending positions comprises:

receiving the angle measuring signals sent by the sending terminal for a plurality of times at the plurality of sending positions.

8 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 6 , wherein sending the phase information of the angle measuring signals to the sending terminal comprises:

sending, in response to reaching into a sending period of the phase information of the angle measuring signals each time, the phase information of the angle measuring signals to the sending terminal.

9 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 6 , wherein after obtaining the phase information of the angle measuring signals corresponding to the plurality of sending positions, the method further comprises:

obtaining two sending times corresponding to two angle measuring signals at adjacent sending positions, and modifying the phase information of the angle measuring signals based on a difference between the two sending times.

10 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 6 , wherein before receiving the angle measuring signals sent by the receiving terminal at the plurality of sending positions, the method further comprises:

negotiating an angle measuring parameter of the AOD with the sending terminal using one of the following negotiation modes:

receiving an angle measuring request sent by the sending terminal, wherein the angle measuring request carries the angle measuring parameter; or

sending an angle measuring request response to the sending terminal, wherein the angle measuring request response carries the angle measuring parameter; or

receiving resource scheduling information sent by the sending terminal, wherein the resource scheduling information comprises the angle measuring parameter; or

receiving negotiation indicating information sent by the sending terminal, wherein the negotiation indicating information carries the angle measuring parameter;

wherein the angle measuring parameter comprises at least one of: a sending period, one or more sending times, a sending duration per sending for the angle measuring signals, a sending period for the phase information of the angle measuring signals, an angle measuring type or an angle measuring period of triggering angle measurement.

11 . A communication device, comprising:

at least one processor; and

a memory communicatively connected to the at least one processor, wherein

the memory stores instructions executable by the at least one processor, and when executed by the at least one processor, the instructions cause the at least one processor to perform the method according to claim 6 .

12 . A method for obtaining an angle of departure (AOD) of a terminal, performed by a receiving terminal, comprising:

receiving angle measuring signals sent by a sending terminal at a plurality of sending positions;

obtaining phase information of the angle measuring signals corresponding to the plurality of sending positions; and

obtaining, according to the phase information of the angle measuring signals, the AOD of the sending terminal, and sending the AOD to the sending terminal;

wherein the angle measuring signals comprise:

angle measuring signals sent by the sending terminal at the plurality of sending positions with same antenna; or

angle measuring signals sent by the sending terminal at some of the plurality of sending positions with same antenna, and angle measuring signals sent by the sending terminal at the other sending positions with different antennas;

wherein before receiving angle measuring signals sent by the receiving terminal at the plurality of sending positions, the method further-comprises:

receiving a capability negotiation request sent by the sending terminal, wherein the capability negotiation request is configured to negotiate whether the receiving terminal supports AOD measurement based on the phase information; and

sending a capability negotiation request response to the sending terminal, wherein the capability negotiation request response is configured to indicate whether the receiving terminal supports the AOD measurement based on the phase information;

wherein the capability negotiation request is received or the capability negotiation request response is sent through a terminal capability enquiry sidelink or a terminal capability information sidelink.

13 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 12 , wherein sending times of the angle measuring signals are configured as a plurality of groups, and obtaining the AOD of the sending terminal according to the phase information of the angle measuring signals comprises:

obtaining, for any group, by performing an AOD calculation based on an antenna spacing configured for the group and the phase information of the angle measuring signals corresponding to the group, the AOD of the sending terminal corresponding to the group.

14 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 13 , wherein each group is configured with repeated sending times, and obtaining the AOD of the sending terminal according to the phase information of the angle measuring signals comprises:

obtaining, for any group, by performing the AOD calculation based on the antenna spacing configured for the group and corresponding phase information of the angle measuring signals, obtained each repetition, of the group, a plurality of AODs corresponding to the group; and

obtaining an average value of the plurality of AODs corresponding to the group as an AOD, corresponding to the group, of the sending terminal.

15 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 12 , further comprising:

sending, in response to reaching into a sending period of the AOD each time, the AOD to the sending terminal;

wherein obtaining the phase information of the angle measuring signals corresponding to the plurality of sending positions comprises:

obtaining two sending times corresponding to two angle measuring signals at adjacent sending positions, and modifying the phase information of the angle measuring signals based on a difference between the two sending times.

16 . The method for obtaining the angle of departure (AOD) of the terminal according to claim 12 , wherein before the receiving angle measuring signals sent by the receiving terminal at the plurality of sending positions, the method further comprises:

negotiating an angle measuring parameter of the AOD with the sending terminal using one of the following negotiation modes:

receiving an angle measuring request sent by the sending terminal, wherein the angle measuring request carries the angle measuring parameter; or

sending an angle measuring request response to the sending terminal, wherein the angle measuring request response carries the angle measuring parameter; or

receiving resource scheduling information sent by the sending terminal, wherein the resource scheduling information comprises the angle measuring parameter; or

receiving negotiation indicating information sent by the sending terminal, wherein the negotiation indicating information carries the angle measuring parameter,

wherein the angle measuring parameter at least comprises: an antenna spacing configured by the sending terminal;

wherein the angle measuring parameter further comprises at least one of: a sending period, one or more sending times, a sending duration per sending for the angle measuring signals, a sending period for the phase information of the angle measuring signals, an angle measuring type or an angle measuring period of triggering angle measurement.

17 . A communication device, comprising:

at least one processor; and

a memory communicatively connected to the at least one processor, wherein

the memory stores instructions executable by the at least one processor, and when executed by the at least one processor, the instructions cause the at least one processor to perform the method according to claim 12 .