CSI-RS resource combination feedback method and device, user equipment and base station

CSI-RS resource combination feedback method and device, user equipment and base station

  • CN 103,858,501 A
  • Filed: 09/26/2012
  • Published: 06/11/2014
  • Est. Priority Date: 09/26/2012
  • Status: Active Application
First Claim
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1. Claim1st, a kind of method for feeding back CSI-RS combination, it is characterised in that including:

  • Obtain the information of CSI-RS combination;

    The information combined according to the CSI-RS determines alternative CSI-RS combination, joint CSI measurements are carried out according to one or more sets CSI-RSs in the alternative CSI-RS combination, so that the measurement result measured according to the joint CSI chooses the combination of CSI-RS;

    The measurement feedback of combination and its corresponding joint CSI measurements by the CSI-RS of the selection is to base station.2nd, according to the method described in claim 1, it is characterised in thatThe information for obtaining CSI-RS combination includes:

    The combination pattern definition of CSI-RS is obtained, wherein the constitutional diagram sample defines the mode for indicating alternative CSI-RS combination;

    The information combined according to the CSI-RS determines that alternative CSI-RS combination includes:

    Alternative CSI-RS combination is determined according to the combination pattern definition of the CSI-RS.3rd, method according to claim 2, it is characterised in that the combination pattern definition includes:

    By the numbering of the CSI-RS, continuous CSI-RS is combined each other;

    Or the numbering of the CSI-RS is separated by combined for N CSI-RS, wherein N is the positive integer more than or equal to 1, and less than the sum of CSI-RS.4th, according to the method in claim 2 or 3, it is characterised in thatThe information for obtaining CSI-RS combination also includes:

    The information of number of CSI-RS resources is obtained, wherein the information of number indicates the number of the CSI-RS included in alternative CSI-RS combination of resources;

    The information combined according to the CSI-RS determines that alternative CSI-RS combination includes:

    Alternative CSI-RS combination of resources is determined according to the combination pattern definition and the information of number.5th, method according to claim 2, it is characterised in that the combination pattern definition includes:

    By the numbering of the CSI-RS, continuous M CSI-RS is combined each other, and wherein M is more than or equal to the 1, positive integer less than or equal to CSI-RS sum;

    OrThe numbering of the CSI-RS is separated by the M for N, individual CSI-RS is combined, and wherein N is the positive integer more than or equal to 1, and less than the sum of CSI-RS, M, for more than or equal to 1, less than CSI-RS total half positive integer.6th, the method according to any one of claim 2 to 5, it is characterised in thatThe information for obtaining CSI-RS combination also includes:

    The combination pattern numbering of CSI-RS is obtained, wherein the constitutional diagram sample is numbered for indicating different combination pattern definitions;

    The information combined according to the CSI-RS determines that alternative CSI-RS combination includes:

    Determine that alternative CSI-RS is combined according to the combination pattern numbering and with the corresponding combination pattern definition of pattern numbering that combines, orCorresponding combination pattern definition is numbered according to the combination pattern numbering, with the pattern that combines, and the information of number determines alternative CSI-RS combination.7th, the method according to claim 1 to 6, it is characterised in that before the measurement feedback of the combination of the CSI-RS by the selection and its corresponding joint CSI measurements is to base station, in addition to:

    Obtain the information of the numbering of the combination of the alternative CSI-RS;

    The measurement feedback of the combination of the CSI-RS by the selection and its corresponding joint CSI measurements includes to base station:

    The CSI-RS combination of the selection is numbered according to the numbering;

    By the numbering and its corresponding CSI feedback to base station.8th, method according to any one of claim 1 to 7, it is characterised in that before the information of the acquisition CSI-RS combination, in addition to:

    Obtain the scope of the numbering for the CSI-RS that the information of CSI-RS combination is applicable.9th, method according to claim 8, it is characterised in that the scope of the numbering for the CSI-RS that the information of the acquisition CSI-RS combination is applicable includes:

    Obtain the aggregation information of CSI-RS resources, wherein described aggregation information is used for instruction and the CSI-RS is polymerize to the measurement source to be formed, and many set CSI-RSs that the measurement source is included indicate the scope of the numbering for the CSI-RS that the information of the CSI-RS combination is applicable.10th, a kind of method for feeding back CSI-RS combination, it is characterised in that including:

    The information of CSI-RS combination is sent to UE;

    The measurement result that the combination and its corresponding joint CSI for receiving the CSI-RS for the information measurement selection that UE is combined according to the CSI-RS are measured.11, method according to claim 10, it is characterized in that, the information of the CSI-RS combination includes the information of number of CSI-RS, or the combination pattern definition and the information of number of CSI-RS of CSI-RS, or the combination pattern numbering of CSI-RS, or the combination pattern numbering and the combination pattern definition of CSI-RS of CSI-RS resources, or the combination pattern numbering and the information of number of CSI-RS of CSI-RS, or the combination pattern numbering of CSI-RS, the combination pattern definition and the information of number of CSI-RS of CSI-RS, wherein described constitutional diagram sample defines the mode for indicating alternative CSI-RS combination of resources, the information of number indicates the number of the CSI-RS included in alternative CSI-RS combination, the combination pattern is numbered for indicating different combination pattern definitions.12nd, method according to claim 11, it is characterised in that the combination pattern definition includes:

    By the numbering of the CSI-RS, continuous CSI-RS is combined each other;

    Or the numbering of the CSI-RS is separated by combined for N CSI-RS, wherein N is the positive integer more than or equal to 1, and less than the sum of CSI-RS.13rd, method according to claim 11, it is characterised in that the combination pattern definition includes:

    By the numbering of the CSI-RS, continuous M CSI-RS is combined each other, and wherein M is more than or equal to the 1, positive integer less than or equal to CSI-RS sum;

    OrThe numbering of the CSI-RS is separated by the M for N, individual CSI-RS is combined, and wherein N is the positive integer more than or equal to 1, and less than the sum of CSI-RS, M, for more than or equal to 1, less than CSI-RS total half positive integer.14th, the method according to any one of claim 10 to 13, it is characterized in that, before the measurement result of the combination for the CSI-RS that the information measurement that the reception UE is combined according to the CSI-RS is chosen and its corresponding joint CSI measurements, in addition to:

    The information of the numbering of the combination of the alternative CSI-RS is sent to UE;

    After the measurement result of the combination for the CSI-RS that the information measurement that the reception UE is combined according to the CSI-RS is chosen and its corresponding joint CSI measurements, in addition to:

    According to the numbering, it is determined that the CSI-RS in the combination for the CSI-RS that the information measurement that the UE received is combined according to the CSI-RS is chosen.15th, the method according to any one of claim 10 to 14, it is characterised in that before the information that CSI-RS combination is sent to UE, in addition to:

    The scope of the numbering for the CSI-RS being applicable to the UE information for sending the CSI-RS combination.16th, method according to claim 13, it is characterised in that described to send described to UEThe scope of the numbering for the CSI-RS that the information of CSI-RS combination is applicable is specifically included:

    The aggregation information of CSI-RS is sent to UE, wherein described aggregation information is used for instruction and the CSI-RS is polymerize to the measurement source that to be formed, and many set CSI-RSs that the measurement source is included indicate the scope of the numbering for the CSI-RS that the information of the CSI-RS combination is applicable.17th, a kind of device for feeding back CSI-RS combination, it is characterised in that including:

    Acquiring unit, the information for obtaining CSI-RS combination;

    Measurement and selecting unit, for determining that alternative CSI-RS is combined according to the information of the CSI-RS combination of resources, joint CSI measurements are carried out according to one or more sets CSI-RS resources in the alternative CSI-RS combination, so that the measurement result measured according to the joint CSI chooses the combination of CSI-RS resources;

    Feedback unit, the measurement feedback for the combination by the CSI-RS of the selection and its corresponding joint CSI measurements is to base station.18th, device according to claim 17, it is characterised in that the acquiring unit specifically for:

    The combination pattern definition of CSI-RS is obtained, wherein the constitutional diagram sample defines the mode for indicating alternative CSI-RS combination;

    So that the measurement is used for selecting unit:

    Alternative CSI-RS combination is determined according to the combination pattern definition of the CSI-RS.19th, device according to claim 18, it is characterised in that the acquiring unit is additionally operable to:

    The information of number of CSI-RS resources is obtained, wherein the information of number indicates the number of the CSI-RS included in alternative CSI-RS combination of resources;

    So that the measurement is used for selecting unit:

    Alternative CSI-RS combination of resources is determined according to the combination pattern definition and the information of number.20th, the device according to claim 18 or 19, it is characterised in that the acquiring unit is additionally operable to:

    The combination pattern numbering of CSI-RS is obtained, wherein the constitutional diagram sample is numbered for indicating different combination pattern definitions;

    So that the measurement is used for selecting unit:

    Determine that alternative CSI-RS is combined according to the combination pattern numbering and with the corresponding combination pattern definition of pattern numbering that combines, orCorresponding combination pattern definition is numbered according to the combination pattern numbering, with the pattern that combines, and the information of number determines alternative CSI-RS combination.21st, the device according to claim 17 to 20, it is characterised in that the acquiring unit is additionally operable to:

    Before the measurement feedback of the combination by the CSI-RS of the selection and its corresponding joint CSI measurements is to base station, the information of the numbering of the combination of the alternative CSI-RS is obtained;

    So that the feedback unit is used for:

    The CSI-RS combination of the selection is numbered according to the numbering;

    By the numbering and its corresponding CSI feedback to base station.22nd, the device according to any one of claim 17 to 21, it is characterised in that the acquiring unit is additionally operable to:

    Before the information of the acquisition CSI-RS combination, the scope of the numbering for the CSI-RS that the information that the acquisition CSI-RS is combined is applicable.23rd, device according to claim 22, it is characterised in that the acquiring unit specifically for:

    Obtain the aggregation information of CSI-RS resources, wherein described aggregation information is used for instruction and the CSI-RS is polymerize to the measurement source to be formed, and many set CSI-RSs that the measurement source is included indicate the scope of the numbering for the CSI-RS that the information of the CSI-RS combination is applicable.24th, a kind of device for feeding back CSI-RS combination, it is characterised in that including:

    Transmitting element, the information for sending CSI-RS combination to UE;

    Receiving unit, the measurement result that combination and its corresponding joint CSI for receiving the CSI-RS that the information measurement that UE is combined according to the CSI-RS is chosen are measured.25th, device according to claim 24, it is characterized in that, the information of the CSI-RS combination includes the information of number of CSI-RS, or the combination pattern definition and the information of number of CSI-RS of CSI-RS, or the combination pattern numbering of CSI-RS, either the combination pattern of CSI-RS resources numbers the combination pattern definition or the group of CSI-RS with CSI-RSClose the information of number of pattern numbering and CSI-RS, or combination pattern numbering, the combination pattern definition of CSI-RS and the information of number of CSI-RS of CSI-RS, wherein described constitutional diagram sample defines the mode for indicating alternative CSI-RS combination of resources, the information of number indicates the number of the CSI-RS included in alternative CSI-RS combination, and the combination pattern is numbered for indicating different combination pattern definitions.26th, the device according to claim 24 or 25, it is characterised in that the transmitting element is additionally operable to:

    Before the measurement result of combination and its corresponding joint CSI measurements that the CSI-RS for the information measurement selection that UE is combined according to the CSI-RS is received in the receiving unit, the information of the numbering of the combination of the alternative CSI-RS is sent to UE;

    So that the receiving unit is used for:

    After the measurement result of the combination for the CSI-RS that the information measurement that the reception UE is combined according to the CSI-RS is chosen and its corresponding joint CSI measurements, according to the numbering, it is determined that the CSI-RS in the combination for the CSI-RS that the information measurement that the UE received is combined according to the CSI-RS is chosen.27th, the device according to any one of claim 24 to 25, it is characterised in that the transmitting element is additionally operable to:

    Before the information that CSI-RS combination is sent to UE, the scope of the numbering for the CSI-RS being applicable to the UE information for sending the CSI-RS combination of resources.28th, device according to claim 27, it is characterised in that the transmitting element specifically for:

    The aggregation information of CSI-RS is sent to UE, wherein described aggregation information is used for instruction and the CSI-RS is polymerize to the measurement source that to be formed, and many set CSI-RSs that the measurement source is included indicate the scope of the numbering for the CSI-RS that the information of the CSI-RS combination is applicable.29th, a kind of user equipment, it is characterised in that including:

    Input equipment, for receiving the input of user or input from other equipment;

    Memory, for storing data pending in method according to any one of claim 1 to 9;

    Processor, the data for performing the memory storage;

    Output equipment, for exporting the result of the processor.30th, a kind of base station, it is characterised in that including:

    Input equipment, for receiving the input from other equipment;

    Memory, for storing data pending in the method according to any one of claim 10 to 16;

    Processor, the data for performing the memory storage;

    Output equipment, for exporting the result of the processor.

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