WO2013166709A1 - Procédé de compte rendu de mesures, dispositif de réseau et équipement d'utilisateur - Google Patents

Procédé de compte rendu de mesures, dispositif de réseau et équipement d'utilisateur Download PDF

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Publication number
WO2013166709A1
WO2013166709A1 PCT/CN2012/075366 CN2012075366W WO2013166709A1 WO 2013166709 A1 WO2013166709 A1 WO 2013166709A1 CN 2012075366 W CN2012075366 W CN 2012075366W WO 2013166709 A1 WO2013166709 A1 WO 2013166709A1
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WO
WIPO (PCT)
Prior art keywords
measurement
channel state
state information
information reference
reference symbol
Prior art date
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PCT/CN2012/075366
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English (en)
Chinese (zh)
Inventor
王可
栗忠峰
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201280000955.6A priority Critical patent/CN103535065B/zh
Priority to PCT/CN2012/075366 priority patent/WO2013166709A1/fr
Publication of WO2013166709A1 publication Critical patent/WO2013166709A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters

Definitions

  • the present invention relates to a wireless communication technology, and in particular, to a method for measuring reporting, a network device, and a user equipment.
  • the radio resource management (RRM) measurement of the user equipment (User Equipment, hereinafter referred to as UE) is based on the cell.
  • Reference symbol Cell Reference Signal, hereinafter referred to as CRS), which is related to the cell identifier.
  • RRHs radio heads
  • These RRHs and base stations are located in the same cell and have the same cell identifier.
  • the RRH sends the same CRS as the base station.
  • the UE cannot distinguish between the base station and the RRH only by the measurement of the CRS.
  • some RRHs are more suitable for data transmission for the UE, so that the UE needs to measure and report these more suitable RRHs, and the CRS cannot be distinguished by CRS.
  • Different RRHs are measured and reported.
  • different sectors or different antenna beams can also be distinguished and measured only according to CRS.
  • CSI-RS Channel-State Information-Reference Symbol
  • a first aspect of the present invention provides a method for measuring a report, including: receiving a measurement parameter and a measurement report configuration parameter sent by a network device;
  • Another aspect of the present invention provides a method for measuring a report, including: sending a measurement parameter and a measurement report configuration parameter to a user equipment, where the user equipment acquires a channel state according to the measurement parameter and the measurement report configuration parameter. Measurement configuration information of the information reference symbol, and measurement reporting configuration information of the channel state information reference symbol;
  • the measurement result is measured by the user equipment according to the measurement configuration information of the channel state information reference symbol, and the measurement report is performed according to the measurement report configuration information.
  • a further aspect of the embodiments of the present invention provides a network device, including:
  • a first sending module configured to send, to the user equipment, a measurement parameter and a measurement report configuration parameter, where the user equipment acquires measurement configuration information of the channel state information reference symbol according to the measurement parameter and the measurement report configuration parameter, and the channel The measurement of the status information reference symbol reports the configuration information;
  • the first receiving module is configured to receive the measurement result reported by the user equipment, where the measurement result is measured by the user equipment according to the measurement configuration information of the channel state information reference symbol, and the measurement report is performed according to the measurement report configuration information.
  • a still further aspect of the embodiments of the present invention provides a user equipment, including:
  • a second receiving module configured to receive measurement parameters and measurement report configuration parameters sent by the network device
  • an acquiring module configured to acquire, according to the measurement parameter and the measurement reporting configuration parameter, measurement configuration information of a channel state information reference symbol, and measurement report configuration information of the channel state information reference symbol;
  • the measurement reporting module is configured to perform measurement according to the measurement configuration information of the channel state information reference symbol, and perform measurement reporting according to the measurement report configuration information.
  • the method for measuring the report, the network device, and the user equipment provided by the embodiment of the present invention, by sending the measurement parameter and the measurement report configuration parameter to the user equipment, to obtain the CSI by the user equipment according to the foregoing measurement parameter and the measurement report configuration parameter.
  • the measurement configuration information of the RS, and the measurement reporting configuration information of the CSI-RS so that the user equipment can perform CSI-RS-based measurement and reporting, and when the transmission source including multiple CSI-RSs in the same network device cell is satisfied,
  • the CSI-RS transmission source is differentiated and the measurement result is reported, which provides guarantee for the smooth scheduling of user equipment between different CSI-RS transmission sources.
  • FIG. 1 is a schematic flowchart 1 of a method for measuring and reporting in an embodiment of the present invention
  • FIG. 4 is a schematic flowchart 2 of a method for measuring and reporting in an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • FIG. 1 is a measurement method according to an embodiment of the present invention.
  • Schematic diagram 1 of the method for reporting the quantity the method is performed by the network device side, as shown in FIG. 1, and includes the following steps:
  • Step 101 Send a measurement parameter and a measurement report configuration parameter to the user equipment, where the user equipment obtains measurement configuration information of the CSI-RS according to the measurement parameter and the measurement report configuration parameter, and the measurement report configuration of the CSI-RS.
  • Step 102 Receive a measurement result reported by the user equipment, where the measurement result is measured by the user equipment according to the measurement configuration information of the CSI-RS, and the measurement report is performed according to the measurement report configuration information.
  • the network device in the embodiment of the present invention may be a base station, an RRH, an access point, a micro base station, a home base station, a relay station, and the like.
  • the user equipment sends the measurement parameter and the measurement report configuration parameter to the user equipment, so that the user equipment obtains the configuration parameter according to the measurement parameter and the measurement report configuration parameter.
  • the measurement configuration information of the CSI-RS and the measurement reporting configuration information of the CSI-RS enable the user equipment to perform CSI-RS-based measurement and reporting to satisfy the situation that multiple CSI-RS transmission sources are included in the same network device cell.
  • the CSI-RS transmission source is differentiated and the measurement result is reported, which provides guarantee for smooth scheduling of user equipment between different CSI-RS transmission sources.
  • the measurement configuration information for the CSI-RS includes one or any combination of the following: a carrier frequency, a carrier frequency identifier, an antenna port, a resource configuration, a subframe configuration, a physical cell identifier, and a corresponding CSI-RS.
  • the power information or the scrambling identifier can be used to indicate that the user equipment measures the CSI-RS on a certain carrier frequency and measures the CSI on the carrier frequency characterized by a certain carrier frequency identifier by using the measurement configuration information of each CSI-RS.
  • RS CSI-RS on one antenna port of a certain network device node, CSI-RS at a certain resource location in a subframe, CSI-RS on a certain subframe in time distribution, and a physical cell identifier
  • the measurement reporting configuration information of the CSI-RS includes the measurement reporting triggering condition of the CSI-RS, and the measurement result reported by the received user equipment is that the measurement result of the CSI-RS by the user equipment is reached. The measurement is reported after the trigger condition is reported.
  • the measurement parameters and measurement reporting configuration parameters sent by the network device to the user equipment include measurement configuration information of the CSI-RS, and a measurement reporting trigger condition of the CSI-RS, where
  • the measurement configuration information may be in any of the above forms.
  • the measurement configuration information of the CSI-RS and the measurement report triggering condition of the CSI-RS are notified to the user equipment, and the measurement parameter and the measurement report configuration parameter sent to the user equipment, including the measurement object identifier, and the measurement may be
  • the measurement target cell includes the measurement configuration information of the CSI-RS
  • the measurement report configuration cell includes a CSI-RS measurement report trigger condition.
  • the measurement target cell includes measurement configuration information of the CSI-RS, and the corresponding measurement report configuration cell is searched according to the measurement report configuration identifier, where the measurement report configuration cell includes a CSI-RS resource measurement report. Triggering conditions.
  • the foregoing two methods for notifying the user equipment of the measurement configuration information of the CSI-RS and the measurement reporting trigger condition of the CSI-RS are associating the measurement object identifier with the measurement report configuration identifier, except that the second method is
  • the measurement object cell and the measurement report configuration cell are sent to the user equipment in advance, and are searched by the user equipment according to the measurement object identifier and the measurement report configuration identifier; the foregoing measurement object identifier and the measurement object cell, the measurement report configuration identifier, and the measurement report
  • the configuration information has a corresponding relationship between the cells, and a tag is used to mark a cell.
  • a measurement identifier can be set, and the associated measurement object identifier and the measurement report configuration identifier are configured in the cell of the measurement identifier.
  • the measurement identifier is associated with a pair of measurement object identifiers and a measurement report configuration identifier, and the measurement object identifier corresponds to one measurement object cell, where the measurement object cell includes the foregoing CSI.
  • the measurement configuration information of the RS, and the composition form of the specific measurement configuration information can be referred to the above embodiment.
  • the measurement configuration information is also corresponding to a measurement report configuration cell, and the measurement report configuration information includes a CSI-RS measurement report configuration information.
  • the measurement report configuration information may be a measurement report trigger condition.
  • the measurement identifier is also used to associate the measurement object identifier and the measurement uplink configuration identifier, in order to distinguish the existing traditional network equipment cell, the implementation shown in FIG. 2
  • the measurement is different from the traditional network equipment cell.
  • the measurement identifier corresponds to a new measurement target cell, and all the measurement target cells include measurement configuration information of the CSI-RS; and, for the measurement report configuration identifier and the measurement report configuration cell,
  • the measurement reporting identifier and the measurement reporting configuration cell are used for the traditional network device cell, and only the configuration information packet is modified in the measurement, so that the measurement reporting trigger condition in the cell is applicable only to the CSI-RS. Measurement results.
  • a new measurement report configuration identifier and a measurement report configuration cell may be established, and the measurement report trigger condition in the new measurement report configuration cell is defined as a measurement report trigger condition for the measurement result of the CSI-RS.
  • the existing measurement object identifier and the measurement target cell for the traditional network device cell may be used to modify and measure the measurement target cell.
  • the target cell includes measurement information including CSI-RS, and cell information and its corresponding carrier frequency information.
  • the measurement report configuration identifier and the measurement report configuration cell associated with the measurement target identifier may also use the measurement report configuration identifier and the measurement report configuration cell for the existing legacy network device cell, and only need to report the configuration in the configuration cell.
  • Two types of measurement report trigger conditions one is the measurement reporting trigger condition of the CSI-RS, and the other is the measurement reporting trigger condition of the cell.
  • the measurement reporting configuration cell for the traditional network device cell is still used, where the measurement report configuration parameter includes the first indication information and/or the second indication information, where the first indication information is used to indicate the measurement report configuration cell.
  • the included measurement reporting trigger condition is the measurement reporting trigger condition of the CSI-RS.
  • a new measurement report configuration identifier and a measurement report configuration cell may be established, and the measurement report trigger condition in the new measurement report configuration cell is defined as a measurement report trigger condition for the measurement result of the CSI-RS.
  • the second indication information may be used to indicate that the user equipment reports the upper limit of the number of reports of the CSI-RS measurement result. Specifically, the second indication information may be carried in the measurement report configuration information.
  • the measurement reporting mechanism of the existing traditional network device cell can be compatible.
  • the measurement reporting trigger condition of the CSI-RS in the foregoing embodiment may include any one of the following or a combination thereof:
  • the measurement triggering condition is that the measurement result of the service CSI-RS set of the user equipment is higher than the first preset threshold; That is, the triggering condition is similar to the measurement of the Serving Become better than threshold in the existing legacy network equipment cell.
  • the serving CSI-RS set for the user equipment The measurement is performed, and the corresponding first preset threshold is set, and the measurement result of the service CSI-RS set of the user equipment is higher than the first preset threshold for the measurement report.
  • the foregoing serving CSI-RS set is composed of one or more CSI-RSs, which are transmission sources for actual data transmission of the UE on a specific carrier frequency, and/or participation. Cooperative source of emission.
  • the foregoing transmission sources may be different network devices, different antenna ports, different sectors, or different antenna beams, where different antenna ports, different sectors, or different antenna beams may belong to network devices or different network devices.
  • the measurement result for the serving CSI-RS set may be the maximum value, the minimum value, or the weighted average value of each CSI-RS measurement result in the serving CSI-RS set.
  • the above measurement results may be signal strength or signal quality, and the like.
  • the measurement triggering condition is the service of the user equipment.
  • the measurement result of the CSI-RS set is lower than the second preset threshold;
  • the triggering condition is similar to the measurement of the Serving to worse than threshold of the existing legacy network equipment cell.
  • the related concept of the monthly CSI-RS set can be referred to the above. Example.
  • the measurement triggering condition is that the measurement result of the CSI-RS of the neighbor of the user equipment is higher than the measurement result of the primary service CSI-RS set of the user equipment by a third preset threshold;
  • the signal strength of the neighboring cell similar to the existing legacy network equipment cell is higher than the primary cell.
  • the neighboring CSI-RS of the user equipment and the primary service CSI-RS set of the user equipment are measured, where the user equipment is the triggering condition of the measurement of the Neighbor to offset better than PCell.
  • the primary service CSI-RS set may be a serving CSI-RS set on a carrier frequency of the user equipment primary cell, or the user equipment first configures a CSI-RS set on a CSI-RS measured carrier frequency, or is signaled by the network device.
  • the serving CSI-RS set on the specific carrier frequency is configured; the neighbor CSI-RS of the user equipment is a CSI-RS corresponding to the measurement configuration information of the channel state information reference symbol, except for the CSI-RS of the serving CSI-RS set.
  • the measurement result of the primary service CSI-RS set is the maximum value, the minimum value, or the weighted average value of each CSI-RS measurement result in the primary service CSI-RS set.
  • the measurement result may be measured. Signal strength or signal quality of CSI-RS.
  • the measurement triggering condition is that the measurement result of the neighbor CSI-RS of the user equipment is higher than the fourth preset threshold;
  • the triggering condition is similar to the measurement of the Neighbor to Better than threshold of the neighboring cell of the existing legacy network device cell.
  • the neighboring CSI-RS of the user equipment Related concepts can be referred to the explanation of the above embodiment.
  • the measurement triggering condition is that the measurement result of the primary service CSI-RS set of the user equipment is lower than the fifth preset threshold, and the measurement result of the neighbor CSI-RS is higher than the sixth preset threshold;
  • the signal strength of the primary cell PCell of the existing legacy network equipment cell is lower than a certain threshold, and the signal strength of the neighboring cell is higher than a certain threshold (PCell becomes worse than threshold 1 and neighbor becomes better than threshold )
  • the related concepts for the primary serving CSI-RS set and the neighbor CSI-RS may refer to the foregoing embodiments, and the measurement results of the primary service CSI-RS set in this embodiment, and The measurement results of the neighbor CSI-RS are analyzed, and the measurement is reported when the preset conditions are met.
  • the measurement triggering condition is that the measurement result of the neighbor CSI-RS of the user equipment is higher than the measurement result of the secondary service CSI-RS set of the user equipment by a seventh preset threshold, and the neighboring CSI-RS of the user equipment is
  • the secondary service CSI-RS sets are all on the same carrier frequency
  • the signal strength of the neighboring cell of the existing legacy network device cell is higher than the measurement reporting triggering condition of the Neighbor to offset better than SCell, where the secondary service CSI-RS set is the serving CSI.
  • the measurement result of the secondary service CSI-RS set is the maximum value and minimum of each CSI-RS measurement result in the secondary service CSI-RS set.
  • the value or the weighted average value, specifically, the above measurement result may be the measured signal strength or signal quality of the CSI-RS.
  • the first preset threshold, the second preset threshold, the third preset threshold, the fourth preset threshold, and the fifth preset threshold are used.
  • the sixth preset threshold or the seventh preset threshold may be one of the following two forms:
  • the threshold value obtained after the independent threshold value and the offset parameter are calculated, and the offset parameter may be carried in the measurement configuration information of the CSI-RS.
  • the measurement knot in the neighbor CSI-RS If it is X, the measurement result of the main service CSI-RS set is Y, and when the set independent threshold is Z, if XY>Z, the measurement is reported.
  • the offset parameter a when the offset parameter a is set, the measurement is reported when XY>Z-a, and the equation can be modified to obtain - ( ⁇ -) > ⁇ or (X+a) -Y>Z, That is, the measurement result and the offset parameter are calculated first, and then compared.
  • the six measurement reporting triggering conditions mentioned in the foregoing embodiments of the present invention have similar measurement reporting triggering conditions in the measurement reporting of the traditional cell, and the triggering conditions for the measurement reporting in the traditional cell are also saved in the measurement reporting configuration cell. Therefore, in the embodiment of the present invention, the measurement reporting triggering condition for the CSI-RS may be used to report the configuration information element used in the traditional cell, and only need to specify that the serving cell is the serving CSI-RS set in the measurement reporting configuration information.
  • the primary cell serves as a CSI-RS set for the primary service
  • the secondary cell is a secondary service CSI-RS set
  • the neighboring cell is a neighbor CSI-RS.
  • An embodiment of the present invention further provides an embodiment of a method for measuring and reporting on a user equipment side. As shown in FIG. 4, the method includes the following steps:
  • Step 201 Receive measurement parameters and measurement report configuration parameters sent by the network device.
  • Step 202 Obtain measurement configuration information of channel state information reference symbols according to the measurement parameters and measurement report configuration parameters, and measure channel reference information reference symbols. Report configuration information;
  • Step 203 Perform measurement according to the measurement configuration information of the channel state information reference symbol, and perform measurement report according to the measurement report configuration information.
  • the receiving network device sends the measurement parameter and the measurement report configuration parameter to obtain the measurement configuration information of the CSI-RS and the measurement report configuration information of the CSI-RS according to the foregoing measurement parameter and the measurement report configuration parameter, so that The CSI-RS-based measurement and reporting can be performed on the user equipment, and the CSI-RS transmission source is differentiated and the measurement result is reported in the case that the multiple CSI-RS transmission sources are included in the same network device cell. Smooth scheduling between different CSI-RS transmission sources provides assurance.
  • the measurement configuration information of the channel state information reference symbol in the foregoing embodiment of the present invention includes one or any combination of the following: a carrier frequency corresponding to the channel state information reference symbol, a carrier frequency identifier, an antenna port, a resource configuration, a subframe configuration, The physical cell identifier, the power information, or the scrambling identifier; the measurement reporting configuration information of the channel state information reference symbol includes a measurement reporting triggering condition of the channel state information reference symbol, and the configuration according to the measurement reporting in the foregoing step 203 The information is reported and reported as:
  • the measurement parameter and the measurement report configuration parameter sent by the network device in the foregoing embodiment may include three forms, that is, the measurement parameter sent by the network device and the measurement configuration parameter including the measurement configuration information of the channel state information reference symbol, and the channel The measurement of the status information reference symbol reports the trigger condition.
  • the configuration information of the channel state information reference symbols and the measurement reporting trigger conditions of the channel state information reference symbols may be directly obtained therefrom.
  • the measurement parameter and the measurement report configuration parameter sent by the network device include a measurement object identifier, a measurement report configuration identifier associated with the measurement object identifier, a measurement target cell corresponding to the measurement object identifier, and the measurement The measurement reporting cell corresponding to the configuration identifier is reported; and the measurement target cell includes measurement configuration information of the channel state information reference symbol, and the measurement reporting triggering condition of the channel configuration information reference symbol is included in the measurement configuration cell.
  • the user equipment may also obtain the measurement configuration information of the channel state information reference symbol and the corresponding measurement report triggering condition directly from the measurement target cell and the measurement report configuration cell.
  • the measurement parameter and the measurement report configuration parameter sent by the network device include the measurement object identifier, and the measurement report configuration identifier associated with the measurement object identifier, and the channel state information reference is obtained according to the measurement parameter and the measurement report configuration parameter in the foregoing step 202.
  • the measurement configuration information of the symbol, and the measurement reporting configuration information of the channel state information reference symbol may include:
  • the measurement object cell and the measurement report configuration cell are pre-configured between the network device and the user equipment, and when the measurement report is performed, only the user equipment measurement object identifier needs to be notified, and the measurement object identifier is associated with the measurement object identifier.
  • the measurement report identifier can be measured.
  • the cell information may be further included in the measurement target cell and
  • the corresponding carrier frequency information, the measurement target cell may be multiplexed with the measurement target cell of the CRS measurement of the traditional network device cell to achieve compatibility with the prior art.
  • the measurement reporting configuration cell further includes a measurement reporting triggering condition of the cell, and is also compatible with the CRS measurement of the existing legacy network device cell, where the measurement reporting configuration cell includes the CSI-RS.
  • the measurement reporting trigger condition includes a measurement reporting trigger condition of the network device cell.
  • the foregoing measurement report configuration parameter may further include first indication information and/or second indication information, where the first indication information indicates that the measurement report triggering condition included in the measurement report configuration cell is a channel state information reference symbol. The measurement is reported to trigger the condition.
  • the second indication information is used to indicate an upper limit of the number of reports of the CSI-RS measurement result, and the second indication information may be carried in the measurement report configuration cell.
  • the measurement reporting triggering condition for the channel state information reference symbol includes any one or a combination of the following:
  • the measurement reporting triggering condition is that the measurement result of the service channel state information reference symbol set of the user equipment is higher than the first preset threshold
  • the measurement reporting triggering condition is that the measurement result of the service channel state information reference symbol set of the user equipment is lower than the second preset threshold;
  • the measurement reporting trigger condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the measurement result of the primary service channel state information reference symbol set of the user equipment by a third preset threshold;
  • the measurement reporting trigger condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the fourth preset threshold
  • the measurement reporting triggering condition is that the measurement result of the primary service channel state information reference symbol set of the user equipment is lower than the fifth preset threshold, and the measurement result of the neighbor channel state information reference symbol is higher than the sixth preset threshold. ;
  • the measurement reporting triggering condition is that the measurement result of the neighboring channel state information reference symbol of the user equipment is higher than the measurement result of the secondary service channel state information reference symbol set of the user equipment by a seventh preset threshold, and the neighbor of the user equipment Both the channel state information reference symbol and the secondary service channel state information reference symbol set are on the same carrier frequency.
  • the foregoing service channel state information reference symbol set is composed of one or more channel state information reference symbols, and the one or more channel state information reference symbols are transmission sources for actual data transmission for user equipment on a specific carrier frequency. And/or transmitting by a cooperating source; the sources are different network devices, different antenna ports, different sectors, or different antenna beams.
  • the primary service channel state information reference symbol set is a service channel state information reference symbol set on a carrier frequency of the user equipment primary cell, or the user equipment first configures the channel state information reference symbol to measure the carrier frequency.
  • the secondary service channel state information reference symbol set is a set of service channel state information reference symbols except the primary service channel state information reference symbol set in the service channel state information reference symbol set; the neighbor channel state information reference symbol is a channel state information reference.
  • the state information reference symbol other than the service channel state information reference symbol set.
  • the limit value or the seventh preset threshold value is one of the following forms: an independent threshold value; a threshold value obtained after the independent threshold value and the offset parameter are calculated, and the offset parameter is carried in the channel state information.
  • the reference symbol is measured in the configuration information.
  • the measurement result of the service channel state information reference symbol set of the user equipment is a maximum value, a minimum value, or a weighted average value of the channel state information reference symbol measurement result in the service channel state information reference symbol set;
  • the primary service channel state information reference The measurement result of the symbol set is the maximum value, the minimum value, or the weighted average value of the measurement result of each channel state information reference symbol in the reference symbol set of the primary service channel state information;
  • the measurement result of the reference symbol set of the secondary service channel state information is the secondary service channel state
  • the channel state information in the information reference symbol set refers to the maximum, minimum, or weighted average of the symbol measurements.
  • performing measurement according to the measurement configuration information of the channel state information reference symbol may include the following two situations. First, after acquiring the measurement configuration information of the channel state information reference symbol, directly according to The channel state information refers to the measurement configuration information of the reference symbol; secondly, the measurement configuration information of the channel state information reference symbol is obtained, and the preset measurement trigger condition is reached. After that, the measurement is performed according to the measurement configuration information of the channel state information reference symbol.
  • the foregoing preset measurement triggering condition may be performed by the network device by using a displayed instruction, that is, sending a physical layer indication, to instruct the user equipment to initiate measurement of the CSI-RS.
  • the technical solution of using the measurement threshold and the measurement timer that is, after the user sets the measurement configuration information of the channel state information reference symbol, immediately performs measurement, and starts the measurement activation timer, and measures the timing range of the activation timer. If the measured CSI-RS measurement is lower than a preset threshold, stop the measurement and start the measurement off timer, and restart the measurement after the measurement off timer expires.
  • the measurement is directly started after the service CSI-RS set and the primary service CSI-RS set are acquired.
  • the CRS measurement and the measurement of the CSI-RS are simultaneously triggered.
  • the CRS measurement is triggered first, and when the CRS measurement result is lower than another preset threshold, the CSI-RS is triggered again. measuring.
  • FIG. 5 is a schematic diagram of the result of the network device according to the embodiment of the present invention.
  • the network device 1 includes a first sending module 11 and a first receiving module 12, where the first sending module 11 is configured to send a measurement to the user equipment.
  • the parameter and the measurement report configuration parameter to obtain, by the user equipment, the measurement configuration information of the channel state information reference symbol according to the measurement parameter and the measurement report configuration parameter, and the measurement report configuration information of the channel state information reference symbol;
  • the receiving module 12 is configured to receive the measurement result reported by the user equipment, where the measurement result is measured by the user equipment according to the measurement configuration information of the channel state information reference symbol, and the measurement report is performed according to the measurement report configuration information.
  • the measurement parameter and the measurement report configuration parameter are sent to the user equipment, so that the user equipment obtains the measurement configuration information of the CSI-RS according to the measurement parameter and the measurement report configuration parameter, and the CSI-RS.
  • the measurement reports the configuration information, so that the user equipment can perform CSI-RS-based measurement and reporting, and achieve the distinction and measurement of the CSI-RS transmission source when the multiple CSI-RS transmission sources are included in the same network device cell. The result is reported to provide guarantee for smooth scheduling of user equipment between different CSI-RS transmission sources.
  • the measurement configuration information packet of the channel state information reference symbol One or any combination of the following: a carrier frequency, a carrier frequency identifier, an antenna port, a resource configuration, a subframe configuration, a physical cell identifier, a power information, or a scrambling identifier corresponding to a channel state information reference symbol.
  • the measurement reporting configuration information of the channel state information reference symbol includes a measurement reporting triggering condition of the channel state information reference symbol, where the measurement result is that the user equipment reports the channel state information reference symbol to the measurement reporting trigger condition. of.
  • the measurement parameters and the measurement report configuration parameters sent to the user equipment may include three forms:
  • the measurement parameters and the measurement reporting configuration parameters sent to the user equipment include measurement configuration information of the channel state information reference symbol, and the measurement reporting trigger condition of the channel state information reference symbol;
  • the measurement parameter and the measurement report configuration parameter that are sent to the user equipment, the measurement object identifier, the measurement report configuration identifier associated with the measurement object identifier, the measurement object cell corresponding to the measurement object identifier, and the Configuring the cell corresponding to the measurement corresponding to the configuration identifier on the measurement
  • the third step is that the measurement parameter and the measurement report configuration parameter that are sent to the user equipment, including the measurement object identifier, and the measurement report configuration identifier associated with the measurement object identifier, to search for the corresponding measurement object by the user equipment according to the measurement object identifier.
  • a cell the measurement object cell includes measurement configuration information of a channel state information reference symbol, and a corresponding measurement report configuration cell is searched according to the measurement report configuration identifier, where the measurement report configuration cell includes channel state information.
  • the measurement of the reference symbol reports the trigger condition.
  • the network device is corresponding to the method embodiment shown in FIG. 1 , wherein for detailed description of the measurement configuration information of the channel state information reference symbol and the measurement reporting configuration information of the channel state information reference symbol, reference may be made to the foregoing. The description in each of the examples.
  • the measurement target cell further includes cell information and corresponding carrier frequency information.
  • the foregoing measurement reporting configuration cell further includes a measurement reporting trigger condition of the cell.
  • the measurement reporting configuration parameter includes a first indication information and/or a second indication information, where the first indication information indicates that the measurement report triggering condition included in the measurement reporting configuration cell is a measurement reporting trigger condition of the channel state information reference symbol,
  • the second indication information is used to indicate an upper limit of the number of reports of the measurement result of the channel state information reference symbol.
  • the measurement reporting trigger condition of the channel state information reference symbol includes any one of the following Or a combination thereof:
  • the measurement triggering condition is that the measurement result of the service channel state information reference symbol set of the user equipment is higher than the first preset threshold
  • the measurement triggering condition is that the measurement result of the service channel state information reference symbol set of the user equipment is lower than the second preset threshold;
  • the measurement triggering condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the measurement result of the primary service channel state information reference symbol set of the user equipment by a third preset threshold;
  • the measurement triggering condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the fourth preset threshold;
  • the measurement triggering condition is that the measurement result of the primary service channel state information reference symbol set of the user equipment is lower than the fifth preset threshold, and the measurement result of the neighbor channel state information reference symbol is higher than the sixth preset threshold;
  • the measurement triggering condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the measurement result of the secondary service channel state information reference symbol set of the user equipment by a seventh preset threshold, and the neighbor channel of the user equipment Both the status information reference symbol and the secondary service channel status information reference symbol set are on the same carrier frequency.
  • the service channel state information reference symbol set is composed of one or more channel state information reference symbols, and the one or more channel state information reference symbols are used for user equipment on a specific carrier frequency.
  • the transmission source of the actual data transmission, and/or the transmission source participating in the cooperation; the transmission source is a different network device, a different antenna port, a different sector or a different antenna beam.
  • the primary service channel state information reference symbol set is a service channel state information reference symbol set on a carrier frequency of the user equipment primary cell, or the service channel state information reference symbol set on the carrier frequency measured by the user equipment for the first time configuration channel state information reference symbol. , or a set of service channel state information reference symbols on a particular carrier frequency configured by the network device by signaling.
  • the secondary service channel state information reference symbol set is a set of service channel state information reference symbols except the primary service channel state information reference symbol set, and the neighbor channel state information reference symbol is the channel state.
  • the channel state information reference symbol corresponding to the measurement configuration information of the information reference symbol, the channel state information reference symbol except the service channel state information reference symbol set.
  • the first preset threshold, the second preset threshold, the third preset threshold, the fourth preset threshold, the fifth preset threshold, the sixth preset threshold, or the first The seven preset thresholds are one of the following forms: an independent threshold; an independent threshold and a threshold obtained after the offset parameter is calculated, and the offset parameter is carried in the measurement configuration of the channel state information reference symbol Information.
  • the measurement result of the service channel state information reference symbol set is a maximum value, a minimum value, or a weighted average value of the channel state information reference symbol measurement result in the service channel state information reference symbol set;
  • the primary service channel state The measurement result of the information reference symbol set is the maximum value, the minimum value, or the weighted average value of the measurement result of each channel state information reference symbol in the reference symbol set of the primary service channel state information;
  • the measurement result of the reference symbol set of the secondary service channel state information is a secondary service
  • the channel state information refers to the maximum, minimum, or weighted average of each channel state information reference symbol measurement result.
  • the network device in the foregoing embodiment of the present invention may be a base station, an RRH, an access point, a micro base station, a home base station, or a relay station.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment 2 includes a second receiving module 21, an obtaining module 22, and a measurement reporting module 23, where the second receiving module 21 is configured to receive a network.
  • the obtaining module 22 is configured to acquire measurement configuration information of the channel state information reference symbol according to the measurement parameter and the measurement report configuration parameter, and the measurement report configuration information of the channel state information reference symbol
  • the measurement reporting module 23 is configured to perform measurement according to the measurement configuration information of the channel state information reference symbol, and perform measurement report according to the measurement report configuration information.
  • the receiving device sends the measurement parameter and the measurement report configuration parameter
  • the user equipment acquires the CSI-RS measurement configuration information and the CSI-RS measurement report configuration information according to the foregoing measurement parameter and the measurement report configuration parameter.
  • the CSI-RS-based measurement and reporting can be performed on the user equipment, and the CSI-RS transmission source is differentiated and the measurement result is reported in the case that the multiple CSI-RS transmission sources are included in the same network device cell.
  • the smooth scheduling of user equipment between different CSI-RS transmission sources provides guarantee.
  • the measurement configuration information of the channel state information reference symbol includes one or any combination of the following: a carrier frequency corresponding to the channel state information reference symbol, a carrier frequency identifier, an antenna port, a resource configuration, a subframe configuration, and a physical cell identifier, a power information, or a scrambling identifier;
  • the measurement reporting configuration information of the channel state information reference symbol includes a channel state information reference The measurement result of the symbol is reported as a trigger condition; the measurement result is reported by the user equipment after the measurement result of the channel state information reference symbol reaches the measurement report trigger condition.
  • the measurement parameters and measurement reporting configuration parameters sent by the network device may include three forms:
  • the measurement parameter and the measurement report configuration parameter sent by the network device include a measurement object identifier, a measurement report configuration identifier associated with the measurement object identifier, a measurement target cell corresponding to the measurement object identifier, and the Measure a top-level configuration cell corresponding to the >3 ⁇ 4 configuration identifier;
  • the measurement object cell includes measurement configuration information of a channel state information reference symbol;
  • the measurement report configuration cell includes a channel state information reference symbol measurement Report the trigger condition;
  • the measurement parameter and the measurement report configuration parameter sent by the network device including the measurement object identifier, and the measurement report configuration identifier associated with the measurement object identifier, so that the user equipment searches for the corresponding measurement object identifier according to the measurement object identifier.
  • the measurement object information includes the measurement configuration information of the channel state information reference symbol, and the corresponding measurement report configuration cell is searched according to the measurement report configuration identifier, where the measurement report configuration cell includes a channel state information reference.
  • the measurement of the symbol reports the trigger condition.
  • the user equipment is corresponding to the method embodiment shown in FIG. 4, wherein the detailed description of the measurement configuration information of the channel state information reference symbol and the measurement reporting configuration information of the channel state information reference symbol may be referred to The description in each of the examples.
  • the measurement target cell further includes cell information and corresponding carrier frequency information.
  • the measurement reporting configuration cell further includes a measurement reporting trigger condition of the cell.
  • the foregoing measurement reporting configuration parameter includes first indication information and/or second indication information, where the first indication information indicates that the measurement reporting trigger condition included in the measurement reporting configuration information element is a measurement report of the channel state information reference symbol. a triggering condition, where the second indication information is used to indicate an upper limit of the number of reporting of the channel state information reference symbol measurement result.
  • the measurement reporting trigger condition of the channel state information reference symbol includes any one or a combination of the following:
  • the measurement triggering condition is that the measurement result of the service channel state information reference symbol set of the user equipment is higher than the first preset threshold;
  • the measurement triggering condition is that the measurement result of the service channel state information reference symbol set of the user equipment is lower than the second preset threshold;
  • the measurement triggering condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the measurement result of the primary service channel state information reference symbol set of the user equipment by a third preset threshold;
  • the measurement triggering condition is that the measurement result of the neighbor channel state information reference symbol of the user equipment is higher than the fourth preset threshold;
  • the measurement triggering condition is that the measurement result of the primary service channel state information reference symbol set of the user equipment is lower than the fifth preset threshold, and the measurement result of the neighbor channel state information reference symbol is higher than the sixth preset threshold;
  • the measurement triggering condition is that the measurement result of the neighboring channel state information reference symbol of the user equipment is higher than the measurement result of the secondary service channel state information reference symbol set of the user equipment by a seventh preset threshold, and the neighboring channel state of the user equipment Both the information reference symbol and the secondary service channel state information reference symbol set are on the same carrier frequency.
  • the service channel state information reference symbol set is composed of one or more channel state information reference symbols, and the one or more channel state information reference symbols are used for user equipment on a specific carrier frequency.
  • the transmission source of the actual data transmission, and/or the transmission source participating in the cooperation; the transmission source is a different network device, a different antenna port, a different sector or a different antenna beam.
  • the primary service channel state information reference symbol set is a service channel state information reference symbol set on a carrier frequency of the user equipment primary cell, or the service channel state information reference symbol set on the carrier frequency measured by the user equipment for the first time configuration channel state information reference symbol. , or a set of service channel state information reference symbols on a particular carrier frequency configured by the network device by signaling.
  • the auxiliary service channel state information reference symbol set is a set of service channel state information reference symbols except the main service channel state information reference symbol set in the service channel state information reference symbol set; the neighbor channel state information reference symbol is a channel state In the channel state information reference symbol corresponding to the measurement configuration information of the information reference symbol, the state information reference symbol other than the service channel state information reference symbol set.
  • the first preset threshold, the second preset threshold, and the first The three preset thresholds, the fourth preset threshold, the fifth preset threshold, the sixth preset threshold, or the seventh preset threshold are one of the following forms: independent threshold; independent The threshold value obtained after the threshold value and the offset parameter are calculated, and the offset parameter is carried in the measurement configuration information of the channel state information reference symbol.
  • the measurement result of the service channel state information reference symbol set of the user equipment is a maximum value, a minimum value, or a weighted average value of the channel state information reference symbol measurement result in the service channel state information reference symbol set;
  • the measurement result of the service channel state information reference symbol set is the maximum value, the minimum value, or the weighted average value of the channel state information reference symbol measurement result in the primary service channel state information reference symbol set;
  • the secondary service channel state information reference symbol set measurement result The maximum, minimum, or weighted average of the measurement results of the reference channel values for each channel state information reference symbol set in the secondary service channel state information reference symbol set.
  • the measuring, by the measurement reporting module, according to the measurement configuration information of the channel state information reference symbol may specifically include: after obtaining the measurement configuration information of the channel state information reference symbol, directly measuring the reference symbol according to the channel state information The configuration information is measured; or after the measurement configuration information of the channel state information reference symbol is obtained, and the preset measurement trigger condition is reached, the measurement is performed according to the measurement configuration information of the channel state information reference symbol.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un procédé de compte rendu de mesures, un dispositif de réseau et un équipement d'utilisateur. Le procédé de compte rendu de mesures consiste à : recevoir un paramètre de mesure et un paramètre de configuration de compte rendu de mesures envoyés par un dispositif de réseau ; obtenir des informations de configuration de mesure d'un symbole CSI-RS (symbole de référence d'informations d'état de canal) et des informations de configuration de compte rendu de mesures du symbole CSI-RS selon le paramètre de mesure et le paramètre de configuration de compte rendu de mesures ; réaliser une mesure selon les informations de configuration de mesure du symbole CSI-RS et effectuer le compte rendu de mesures selon les informations de configuration de compte rendu de mesures. Le procédé de compte rendu de mesures, le dispositif de réseau et l'équipement d'utilisateur mentionnés dans les modes de réalisation de la présente invention peuvent distinguer et implémenter un compte rendu de mesures pour des symboles CSI-RS émis par différentes sources d'émission.
PCT/CN2012/075366 2012-05-11 2012-05-11 Procédé de compte rendu de mesures, dispositif de réseau et équipement d'utilisateur WO2013166709A1 (fr)

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CN108288980A (zh) * 2017-01-06 2018-07-17 华硕电脑股份有限公司 用于无线通信系统中波束管理的方法和设备
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WO2021184217A1 (fr) * 2020-03-17 2021-09-23 北京小米移动软件有限公司 Procédé et appareil de mesure d'informations d'état de canal et support de stockage informatique

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