Parameter indication and determining methods, receive device, and transmit device
Embodiments of the present application provide a parameter indication method and parameter determining method, a receive device, and a transmit device. The parameter indication method includes: generating indication information for each of a plurality of antenna panels, where the indication information is used to indicate an adjustment parameter of the antenna panel, and the adjustment parameter includes at least one of an amplitude adjustment parameter and a phase adjustment parameter; and sending the indication information. The embodiments of the present application further provide a parameter determining method, a receive device, and a transmit device. In the technical solutions provided in the embodiments of the present application, adjustment parameters of the plurality of antenna panels are fed back to adjust the plurality of antenna panels, so that a precoding vector constructed based on the plurality of antenna panels is more accurate.
1. A parameter indication method, wherein the method comprises:
generating indication information for each of a plurality of antenna panels, wherein:
the indication information is used to indicate an adjustment parameter of the antenna panel;
the adjustment parameter comprises at least one of an amplitude adjustment parameter or a phase adjustment parameter; and
the adjustment parameter of the antenna panel is generated based on a result of comparison between channel information corresponding to the antenna panel and channel information corresponding to a reference antenna panel; and
sending the indication information.
2. The method according to claim 1 , wherein the adjustment parameter is used to adjust the antenna panel corresponding to the adjustment parameter when the antenna panel is combined with another antenna panel.
3. The method according to claim 1 , wherein a value of the amplitude adjustment parameter is selected from an amplitude value set.
4. The method according to claim 1 , wherein a value of the phase adjustment parameter is selected from a phase value set.
5. A parameter determining method, wherein the method comprises:
receiving indication information that is generated for each of a plurality of antenna panels, wherein:
the indication information is used to indicate an adjustment parameter of the antenna panel;
the adjustment parameter comprises at least one of an amplitude adjustment parameter or a phase adjustment parameter; and
the adjustment parameter of the antenna panel is generated based on a result of comparison between channel information corresponding to the antenna panel and channel information corresponding to a reference antenna panel; and
determining the adjustment parameter corresponding to the antenna panel based on the indication information.
6. The method according to claim 5 , wherein the adjustment parameter is used to adjust the antenna panel corresponding to the adjustment parameter when the antenna panel is combined with another antenna panel.
7. The method according to claim 5 , wherein a value of the amplitude adjustment parameter is selected from an amplitude value set.
8. The method according to claim 5 , wherein a value of the phase adjustment parameter is selected from a phase value set.
9. A receive device, wherein the receive device comprises:
a processor, configured to generate indication information for each of a plurality of antenna panels, wherein:
the indication information is used to indicate an adjustment parameter of the antenna panel;
the adjustment parameter comprises at least one of an amplitude adjustment parameter or a phase adjustment parameter; and
the adjustment parameter of the antenna panel is generated based on a result of comparison between channel information corresponding to the antenna panel and channel information corresponding to a reference antenna panel; and
a transmitter, configured to send the indication information.
10. The receive device according to claim 9 , wherein the adjustment parameter is used to adjust the antenna panel corresponding to the adjustment parameter when the antenna panel is combined with another antenna panel.
11. The receive device according to claim 9 , wherein a value of the amplitude adjustment parameter is selected from an amplitude value set.
12. The receive device according to claim 9 , wherein a value of the phase adjustment parameter is selected from a phase value set.
13. A transmit device, wherein the transmit device comprises:
a receiver, configured to receive indication information that is generated for each of a plurality of antenna panels, wherein:
the indication information is used to indicate an adjustment parameter of the antenna panel;
the adjustment parameter comprises at least one of an amplitude adjustment parameter or a phase adjustment parameter; and
the adjustment parameter of the antenna panel is generated based on a result of comparison between channel information corresponding to the antenna panel and channel information corresponding to a reference antenna panel; and
a processor, configured to determine the adjustment parameter corresponding to the antenna panel based on the indication information.
14. The transmit device according to claim 13 , wherein the adjustment parameter is used to adjust the antenna panel corresponding to the adjustment parameter when the antenna panel is combined with another antenna panel.
15. The transmit device according to claim 13 , wherein a value of the amplitude adjustment parameter is selected from an amplitude value set.
16. The transmit device according to claim 13 , wherein a value of the phase adjustment parameter is selected from a phase value set.