Information sending,information determing and relationship determining methods and devices
Information sending, information determining and relationship determining methods and devices are provided. According to the information sending method, a base station sends M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set includes quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by a terminal to acquire a large-scale characteristic of a channel; and when M>1, the base station indicates, via a physical-layer control signaling, parameter set selection information of a subframe on which the physical-layer control signaling is sent.
1. An information sending method comprising:
sending, by a base station, M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set comprises quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by a terminal to acquire a large-scale characteristic of a channel; and
when M>1, indicating, by the base station via a physical-layer control signaling, parameter set selection information of a subframe on which the physical-layer control signaling is sent;
wherein the method further comprises:
receiving, by a terminal, the M parameter sets via the high-layer signaling;
when M=1, determining, by the terminal, quasi-co-location CSI-RS information according to the quasi-co-location NZP CSI-RS indication information; or,
when M>1, receiving, by the terminal, the parameter set selection information via physical-layer control signaling, and determining, by the terminal according to the quasi-co-location NZP CSI-RS indication information and the parameter set selection information, quasi-co-location CSI-RS information of a de-Modulation Reference Signal (DMRS) in a subframe on which the physical-layer control signaling is sent.
2. The information sending method as claimed in claim 1 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises indication information of one or more quasi-co-location NZP CSI-RS port groups, wherein the one or more quasi-co-location NZP CSI-RS port groups correspond to the same set of NZP CSI-RS configuration.
3. The information sending method as claimed in claim 1 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS time domain location indication information.
4. The information sending method as claimed in claim 3 , wherein the quasi-co-location CSI-RS time domain location indication information comprises any one of: offset information indication information and subframe set indication information.
5. The information sending method as claimed in claim 1 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS frequency domain location indication information.
6. The information sending method as claimed in claim 5 , wherein the quasi-co-location CSI-RS frequency domain location indication information comprises any one of: Resource Block (RB) set information and sub-band set information.
7. The information sending method as claimed in claim 1 , wherein each parameter set comprises quasi-co-location NZP CSI-RS configuration indication information, wherein the quasi-co-location NZP CSI-RS configuration indication information indicates Y sets of NZP CSI-RS configurations, Y>=2, and Y is a positive integer.
8. The information sending method as claimed in claim 1 , wherein a de-Modulation Reference Signal (DMRS) port in the subframe and a CSI-RS port corresponding to the quasi-co-location NZP CSI-RS indication information are quasi-co-located.
9. An information determining method comprising:
receiving, by a terminal, M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set comprises quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by the terminal to acquire a large-scale characteristic of a channel;
when M=1, determining, by the terminal, quasi-co-location CSI-RS information according to the quasi-co-location NZP CSI-RS indication information; or, when M>1, receiving, by the terminal, parameter set selection information via physical-layer control signaling, and determining, by the terminal according to the quasi-co-location NZP CSI-RS indication information and the parameter set selection information, quasi-co-location CSI-RS information of a de-Modulation Reference Signal (DMRS) in a subframe on which the physical-layer control signaling is sent.
10. The information determining method as claimed in claim 9 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS time domain location indication information.
11. The information determining method as claimed in claim 9 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS frequency domain location indication information.
12. The information determining method as claimed in claim 11 , wherein the quasi-co-location CSI-RS frequency domain location indication information comprises any one of: Resource Block (RB) set information and sub-band set information.
13. An information sending system comprising: a first sending module, a second sending module and a terminal, wherein
the first sending module is configured to send M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set comprises quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by a terminal to acquire a large-scale characteristic of a channel; and
the second sending module is configured to, when M>1, indicate, via a physical-layer control signaling, parameter set selection information of a subframe on which the physical-layer control signaling is sent;
the terminal is configured to: receive the M parameter sets via the high-layer signaling; when M=1, determine quasi-co-location CSI-RS information according to the quasi-co-location NZP CSI-RS indication information; or, when M>1, receive the parameter set selection information via physical-layer control signaling, and determining, by the terminal according to the quasi-co-location NZP CSI-RS indication information and the parameter set selection information, quasi-co-location CSI-RS information of a de-Modulation Reference Signal (DMRS) in a subframe on which the physical-layer control signaling is sent.
14. The information sending system as claimed in claim 13 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS time domain location indication information.
15. The information sending system as claimed in claim 13 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS frequency domain location indication information.
16. The information sending system as claimed in claim 15 , wherein the quasi-co-location CSI-RS frequency domain location indication information comprises any one of: Resource Block (RB) set information and sub-band set information.
17. An information determining device comprising: a receiving module, a first determination module and a second determination module, wherein
the receiving module is configured to receive M parameter sets via high-layer signaling, wherein M>=1, M is a positive integer, each parameter set comprises quasi-co-location Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) indication information, and the quasi-co-location NZP CSI-RS indication information is used by the terminal to acquire a large-scale characteristic of a channel;
the first determination module is configured to, when M=1, determine quasi-co-location CSI-RS information according to the quasi-co-location NZP CSI-RS indication information; and
the second determination module is configured to, when M>1, receive parameter set selection information via physical-layer control signaling, and determine, according to the quasi-co-location NZP CSI-RS indication information and the parameter set selection information, quasi-co-location CSI-RS information of a de-Modulation Reference Signal (DMRS) in a subframe on which the physical-layer control signaling is sent.
18. The information determining device as claimed in claim 17 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS time domain location indication information.
19. The information determining device as claimed in claim 17 , wherein the quasi-co-location NZP CSI-RS indication information in each parameter set comprises quasi-co-location CSI-RS frequency domain location indication information.
20. The information determining device as claimed in claim 19 , wherein the quasi-co-location CSI-RS frequency domain location indication information comprises any one of: Resource Block (RB) set information and sub-band set information.