Interference coordination method and apparatus
Embodiments of the present invention disclose an interference coordination method and apparatus. The method includes: receiving direction restriction information, where the direction restriction information includes angle restriction information, and the angle restriction information is used to indicate a restricted transmission direction; determining a signal preprocessing manner, where a transmission direction formed based on the signal preprocessing manner does not include the restricted transmission direction; and feeding back the signal preprocessing manner. According to the embodiments of the present invention, signaling overheads can be reduced, and an interference coordination application scenario can be expanded.
1. An interference coordination method, comprising:
receiving direction restriction information, wherein the direction restriction information comprises angle restriction information, and the angle restriction information is used to indicate a restricted transmission direction, wherein the direction restriction information further comprises at least one of: correlation threshold information indicative of a correlation threshold, or angle threshold information indicative of an angle threshold;
determining a signal preprocessing manner, wherein a transmission direction formed based on the signal preprocessing manner does not comprise the restricted transmission direction; and
feeding back the signal preprocessing manner.
2. The method according to claim 1 , wherein the direction restriction information further comprises the correlation threshold information, and a correlation between the transmission direction formed based on the signal preprocessing manner and the restricted transmission direction is less than the correlation threshold indicated by the correlation threshold information.
3. The method according to claim 2 , wherein the correlation threshold information comprises a correlation coefficient or second index indication information.
4. The method according to claim 1 , wherein the direction restriction information further comprises the angle threshold information, and an angle between the transmission direction formed based on the signal preprocessing manner and the restricted transmission direction is greater than the angle threshold indicated by the angle threshold information.
5. The method according to claim 4 , wherein the angle threshold information comprises the angle threshold or third index indication information.
6. The method according to claim 1 , wherein the angle restriction information comprises bitmap indication information or first index indication information.
7. The method according to claim 1 , wherein the angle restriction information is used to indicate restricted transmission directions in at least two dimensions, and the transmission direction formed based on the signal preprocessing manner does not comprise a restricted transmission direction in each of the dimensions.
8. An interference coordination apparatus comprising:
a restriction information receiving module, configured to receive direction restriction information, wherein the direction restriction information comprises angle restriction information, and the angle restriction information is used to indicate a restricted transmission direction, wherein the direction restriction information further comprises at least one of: correlation threshold information indicative of a correlation threshold, or angle threshold information indicative of an angle threshold;
a processing manner determining module, configured to determine a signal preprocessing manner, wherein a transmission direction formed based on the signal preprocessing manner does not comprise the restricted transmission direction; and
a processing manner feedback module, configured to feed back the signal preprocessing manner.
9. The apparatus according to claim 8 , wherein the direction restriction information further comprises the correlation threshold information, and a correlation between the transmission direction formed based on the signal preprocessing manner and the restricted transmission direction is less than the correlation threshold indicated by the correlation threshold information.
10. The apparatus according to claim 9 , wherein the correlation threshold information comprises a correlation coefficient or second index indication information.
11. The apparatus according to claim 8 , wherein the direction restriction information further comprises the angle threshold information, and an angle between the transmission direction formed based on the signal preprocessing manner and the restricted transmission direction is greater than the angle threshold indicated by the angle threshold information.
12. The apparatus according to claim 11 , wherein the angle threshold information comprises the angle threshold or third index indication information.
13. The apparatus according to claim 8 , wherein the angle restriction information comprises bitmap indication information or first index indication information.
14. The apparatus according to claim 8 , wherein the angle restriction information is used to indicate restricted transmission directions in at least two dimensions, and the transmission direction formed based on the signal preprocessing manner does not comprise a restricted transmission direction in each of the dimensions.
15. An interference coordination apparatus, comprising:
a restriction information sending module, configured to send direction restriction information, wherein the direction restriction information comprises angle restriction information, and the angle restriction information is used to indicate a restricted transmission direction, wherein the direction restriction information further comprises at least one of: correlation threshold information indicative of a correlation threshold, or angle threshold information indicative of an angle threshold; and
a processing manner receiving module, configured to receive a signal preprocessing manner, wherein a transmission direction formed based on the signal preprocessing manner does not comprise the restricted transmission direction.
16. The apparatus according to claim 15 , wherein the direction restriction information further comprises the correlation threshold information, and a correlation between the transmission direction formed based on the signal preprocessing manner and the restricted transmission direction is less than the correlation threshold indicated by the correlation threshold information.
17. The apparatus according to claim 16 , wherein the correlation threshold information comprises a correlation coefficient or second index indication information.
18. The apparatus according to claim 15 , wherein the direction restriction information further comprises the angle threshold information, and an angle between the transmission direction formed based on the signal preprocessing manner and the restricted transmission direction is greater than the angle threshold indicated by the angle threshold information.
19. The apparatus according to claim 18 , wherein the angle threshold information comprises the angle threshold or third index indication information.
20. The apparatus according to claim 15 , wherein the angle restriction information comprises bitmap indication information or first index indication information.