Control channel detection method, user equipment, and base station

Abstract

Embodiments of the present invention provide a control channel detection method, a user equipment, and a base station, where the method includes: acquiring parameter configuration information corresponding to different control channel resource sets, and detecting a control channel in the corresponding different control channel resource sets according to the parameter configuration information, which therefore implements selection of a dynamic node.

What is claimed is: 
     
         1 . A control channel detection method, comprising:
 acquiring, by user equipment, parameter configuration information corresponding to different control channel resource sets, wherein the user equipment is configured to a plurality of control channel resource sets, and the parameter configuration information comprises at least one type of the following information:
 pilot port information, 
 non-zero power channel state information-reference signal (NZP CSI-RS) configuration information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, 
 information about a mapping relationship between an enhanced resource element group and a resource element, and 
 subframe configuration information; and 
   detecting, by the user equipment, a control channel in the corresponding different control channel resource sets according to the parameter configuration information.   
     
     
         2 . The method according to  claim 1 , wherein acquiring, by user equipment, parameter configuration information corresponding to different control channel resource sets comprises:
 receiving the parameter configuration information corresponding to the different control channel resource sets from a base station.   
     
     
         3 . The method according to  claim 1 , wherein acquiring, by user equipment, parameter configuration information corresponding to different control channel resource sets comprises:
 acquiring, according to an index number of the control channel resource set and/or an index number of a first physical resource block (PRB) of the control channel resource set, at least one type of the following information corresponding to the different control channel resource sets:
 pilot port information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, and 
 information about a mapping relationship between an enhanced resource element group and a resource element. 
   
     
     
         4 . The method according to  claim 2 , wherein the subframe configuration information comprises:
 indication information that blind detection is performed in a configured subframe on search space of a first control channel or a second control channel in each control channel resource set.   
     
     
         5 . The method according to  claim 1 , wherein acquiring, by user equipment, parameter configuration information corresponding to different control channel resource sets comprises:
 receiving, by user equipment, broadcast signaling or RRC signaling that is sent by the base station and comprises the parameter configuration information.   
     
     
         6 . A control channel detection method, comprising:
 determining, by a base station, parameter configuration information of a control channel resource set, wherein the parameter configuration information comprises at least one type of the following information:
 pilot port information, 
 non-zero power channel state information-reference signal (NZP CSI-RS) configuration information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, 
 information about a mapping relationship between an enhanced resource element group and a resource element, and 
 subframe configuration information; and 
   sending, by the base station, the parameter configuration information to a user equipment (UE), wherein the base station configures a plurality of control channel resource sets to the UE, the parameter configuration information to enable the UE to detect a control channel in corresponding different control channel resource sets.   
     
     
         7 . The method according to  claim 6 , wherein the subframe configuration information comprises:
 indication information that blind detection is performed in a configured subframe on search space of a first control channel or a second control channel in each control channel resource set.   
     
     
         8 . The method according to  claim 6 , wherein sending, by the base station, the parameter configuration information to a user equipment (UE) comprising:
 sending broadcast signaling or RRC signaling comprising the parameter configuration information to the UE.   
     
     
         9 . A user equipment, comprising:
 a receiver, configured to acquire parameter configuration information corresponding to different control channel resource sets, wherein the user equipment is configured to a plurality of control channel resource sets, and the parameter configuration information comprises at least one type of the following information:
 pilot port information, 
 non-zero power channel state information-reference signal (NZP CSI-RS) configuration information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, 
 information about a mapping relationship between an enhanced resource element group and a resource element, and 
 subframe configuration information; and 
   a detector, configured to detect a control channel in the corresponding different control channel resource sets according to the parameter configuration information.   
     
     
         10 . The user equipment according to  claim 9 , wherein the receiver is configured to:
 receive the parameter configuration information corresponding to the different control channel resource sets from a base station.   
     
     
         11 . The user equipment according to  claim 9 , wherein the receiver is configured to:
 receive, according to an index number of the control channel resource set and/or an index number of a first physical resource block (PRB) of the control channel resource set, at least one type of the following information corresponding to the different control channel resource sets:
 pilot port information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, and 
 information about a mapping relationship between an enhanced resource element group and a resource element. 
   
     
     
         12 . The user equipment according to  claim 11 , wherein the subframe configuration information comprises:
 indication information that blind detection is performed in a configured subframe on search space of a first control channel or a second control channel in each control channel resource set.   
     
     
         13 . The user equipment according to  claim 10 , wherein the receiver is configured to receive broadcast signaling or RRC signaling that is sent by the base station and comprises the parameter configuration information 
     
     
         14 . A base station, comprising:
 a processor, configured to determine parameter configuration information of a control channel resource set, wherein the parameter configuration information comprises at least one type of the following information:
 pilot port information, 
 non-zero power channel state information-reference signal (NZP CSI-RS) configuration information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, 
 information about a mapping relationship between an enhanced resource element group and a resource element, and 
 subframe configuration information; and 
   a transmitter, configured to send the parameter configuration information to a user equipment (UE), wherein the base station configures a plurality of control channel resource sets to the UE, the parameter configuration information to enable the UE to detect a control channel in corresponding different control channel resource sets according to the parameter configuration information.   
     
     
         15 . The base station according to  claim 14 , wherein the subframe configuration information comprises:
 indication information that blind detection is performed in a configured subframe on search space of a first control channel or a second control channel in each control channel resource set.   
     
     
         16 . The base station according to  claim 14 , wherein the transmitter is configured to send broadcast signaling or RRC signaling comprising the parameter configuration information to the UE. 
     
     
         17 . A computer readable storage medium, comprising program code which, when executed by a processor, cause user equipment to:
 acquire parameter configuration information corresponding to different control channel resource sets, wherein the user equipment is configured to a plurality of control channel resource sets, the parameter configuration information comprises at least one type of the following information:
 pilot port information, 
 non-zero power channel state information-reference signal (NZP CSI-RS) configuration information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, 
 information about a mapping relationship between an enhanced resource element group and a resource element, and 
 subframe configuration information; and 
   detect a control channel in the corresponding different control channel resource sets according to the parameter configuration information.   
     
     
         18 . A computer readable storage medium, comprising program code which, when executed by a processor, cause a base station to:
 determine parameter configuration information of a control channel resource set, wherein the parameter configuration information comprises at least one type of the following information:
 pilot port information, 
 non-zero power channel state information-reference signal (NZP CSI-RS) configuration information, 
 information about a mapping relationship between an enhanced control channel element and an enhanced resource element group, 
 information about a mapping relationship between an enhanced resource element group and a resource element, and 
 subframe configuration information; and 
   send the parameter configuration information to a user equipment (UE), wherein the base station configures a plurality of control channel resource sets to the UE, the parameter configuration information to enable the UE to detect a control channel in corresponding different control channel resource sets.