WO2010075739A1 - Procédé, dispositif et système pour adapter un seuil de mesure d'un équipement d'utilisateur (ue) - Google Patents

Procédé, dispositif et système pour adapter un seuil de mesure d'un équipement d'utilisateur (ue) Download PDF

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Publication number
WO2010075739A1
WO2010075739A1 PCT/CN2009/075791 CN2009075791W WO2010075739A1 WO 2010075739 A1 WO2010075739 A1 WO 2010075739A1 CN 2009075791 W CN2009075791 W CN 2009075791W WO 2010075739 A1 WO2010075739 A1 WO 2010075739A1
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WIPO (PCT)
Prior art keywords
user equipment
threshold
measurement report
information
cell
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PCT/CN2009/075791
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English (en)
Chinese (zh)
Inventor
刘宇红
于映辉
赵亚军
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华为技术有限公司
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Publication of WO2010075739A1 publication Critical patent/WO2010075739A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the title of the invention is the priority of the Chinese Patent Application, which is incorporated herein by reference.
  • TECHNICAL FIELD The present invention relates to the field of mobile communications, and more particularly to a method, apparatus and system for adjusting a user equipment measurement report threshold. Background technique
  • the data rate provided by the existing cellular mobile communication system is greatly different between the cell center and the cell edge. This difference not only affects the capacity of the entire system, but also causes the user to have great fluctuations in the quality of service obtained at different locations. .
  • the existing cell center and cell edge demarcation modes are as shown in FIG. 12, wherein the ring area indicated by the oblique line is the cell edge, and the circular area indicated by the inner ring of the ring is the cell center.
  • ICI Inter-Cell Interference
  • ICI Inter-Cell Interference
  • Embodiments of the present invention provide a method, apparatus, and system for adjusting a measurement threshold of a user equipment. By adjusting a measurement report reporting threshold of a user equipment according to related information, a measurement report triggered by the reporting threshold of the measurement report may be obtained. The event is adapted to the actual wireless environment.
  • the embodiment of the present invention provides a method for adjusting a measurement threshold of a user equipment, including: receiving related information; determining, according to the received related information, whether the user equipment enters an edge location of the serving cell; adjusting the measurement report of the user equipment.
  • the reporting threshold is such that the reporting threshold matches the determined location of the user equipment in the serving cell.
  • the related information is the measurement report reported by the user equipment, or the related information includes the interference information reported by the neighboring cell and the location information reported by the user equipment, where the neighboring cell is a cell adjacent to the serving cell.
  • the embodiment of the present invention further provides a method for adjusting a measurement threshold of a user equipment, where: the base station device acquires related information, where the related information is a measurement report reported by the user equipment, or the related information. And including the location information of the user equipment and the interference information sent by the neighboring cell, where the neighboring cell is a cell that is adjacent to the serving cell where the user equipment is currently located; the base station device forwards the received related information to the network, so that The network can determine, according to the related information, whether the user equipment enters an edge location of the serving cell, and adjusts a measurement report reporting threshold of the user equipment according to the determination result, so that the reporting threshold is determined by the determining The location of the user device matches.
  • the embodiment of the present invention further provides a method for adjusting a measurement report threshold, including: reporting, by a user equipment, a measurement report; or, if receiving an instruction of the base station device to report location information, the user equipment reporting the location information And receiving, by the base station device, an adjustment result that is sent by the network to the measurement report reporting gate P ⁇ ; and the user equipment adjusts the reported measurement report threshold according to the adjustment result.
  • the adjustment result is an adjustment result that the network adjusts the measurement report reporting threshold of the user equipment according to the related information, so that the reporting threshold is consistent with the location of the user equipment in the current serving cell, and the related information is reported by the user equipment.
  • the measurement report, or the related information includes location information reported by the user equipment and interference information sent by the neighboring cell, where the neighboring cell is a cell adjacent to the serving cell.
  • the embodiment of the present invention further provides an apparatus for adjusting a measurement threshold of a user equipment in a self-organizing network, including: a receiving unit, configured to receive related information; and a determining unit, configured to determine, according to the received related information, Whether the user equipment enters the edge position of the serving cell; the adjusting unit is configured to adjust a reporting threshold of the measurement report of the service user equipment, so that the measurement report reporting threshold of the user equipment is consistent with the determined location of the user equipment in the cell, where
  • the related information is a measurement report reported by the user equipment, or the related information includes location information of the user equipment and interference information sent by the neighboring cell, where the neighboring cell is a cell adjacent to the serving cell of the user equipment.
  • the embodiment of the present invention further provides an apparatus for adjusting a measurement threshold of a user equipment, where: the receiving unit is configured to receive a related information, where the related information is a measurement report of the user equipment; or The related information includes the location information of the user equipment and the interference information sent by the neighboring cell, where the neighboring cell is a cell adjacent to the serving cell where the user equipment is currently located; and the information forwarding unit is configured to: Transmitting the received related information to the network, so that the network determines, according to the related information, whether the user equipment enters a small service The edge position of the area is adjusted, and the reporting threshold of the measurement report of the user equipment is adjusted according to the determination, so that the reporting threshold is consistent with the determined location in the user equipment cell.
  • the embodiment of the present invention further provides an apparatus for adjusting a measurement report threshold in a user equipment, including: a measurement report reporting unit: a measurement report for reporting a user equipment; and a location information reporting unit: used according to the base station And an indication unit, where the location information of the user equipment is reported; an obtaining unit: configured to receive, by the base station, an adjustment result after the reporting threshold adjustment of the measurement report from the network; and a threshold adjustment unit: The adjustment result adjusts the reporting threshold of the measurement report.
  • the adjustment result is a result that the network adjusts the measurement report reporting threshold of the user equipment according to the related information, where the adjusted reporting threshold is consistent with the location of the user equipment in the current cell, the related information.
  • the related information includes the reported location information and interference information sent by a neighboring cell, where the neighboring cell is a cell adjacent to a current serving cell of the user equipment.
  • the embodiment of the present invention further provides a system for adjusting a measurement threshold of a user equipment, including: a base station device and a network.
  • the base station device is configured to receive related information and forward the related information to the network, where the related information is a measurement report from the user equipment, or the related information includes a location reported by the user equipment.
  • the network is configured to adjust the reporting threshold of the measurement report of the user equipment according to the related information that is forwarded by the base station device, so that the reporting report of the user equipment meets the The location of the user equipment in the cell in which the user equipment is currently located.
  • the method, the device and the system for adjusting the measurement threshold of the user equipment provided by the embodiment of the present invention dynamically adjust the service according to the related information, such as the measurement report of the user equipment of the serving cell, or the location information of the user equipment and the interference information reported from the neighboring cell.
  • the reporting threshold of the measurement report of the cell user equipment is such that the reporting threshold is adapted to the location of the user equipment in the cell, so that the measurement report reporting threshold is adapted to the actual wireless environment.
  • FIG. 1 is a schematic flow chart of a first embodiment of a method according to the present invention.
  • Embodiment 2 is a schematic flow chart of Embodiment 2 of a method according to the present invention.
  • FIG. 3 is a schematic flowchart of a third embodiment of a method according to the present invention.
  • FIG. 4 is a schematic flowchart of a fourth embodiment of a method according to the present invention.
  • Embodiment 5 is a schematic flow chart of Embodiment 5 of a method according to the present invention.
  • FIG. 6 is a schematic diagram of a communication manner between a distributed ad hoc network and an eNB according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a communication manner between a centralized self-organizing network and an eNB according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of an apparatus for adjusting a measurement threshold of a user equipment in a network side of an apparatus embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of an apparatus for adjusting a measurement report threshold of a user equipment in an eNB according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of an apparatus for adjusting a measurement report threshold in a user equipment according to an embodiment of the present invention
  • FIG. 11 is a schematic structural diagram of a system embodiment of the present invention
  • FIG. 12 is a schematic diagram of demarcation of a cell center and a cell edge in the prior art
  • FIG. 13 is a method for adjusting a user equipment measurement report threshold described from the perspective of an ad hoc network. Embodiment flow chart
  • FIG. 14 is a flow chart of an embodiment of a method for adjusting a user equipment measurement report threshold described from the perspective of an eNB;
  • 15 is a flow diagram of an embodiment of a method of adjusting a measurement report threshold as described from the perspective of a user equipment.
  • the user equipment at the cell center and the user equipment at the cell edge have different degrees of interference to the neighboring cells, so the scheduling policy and the interference coordination strategy for the two are also different.
  • the user equipment may generate interference with the user equipment in the neighboring cell. If the user equipment measures the interference of the neighboring cell, for example, based on RSRP and/or RSRQ, the setting is reached.
  • the threshold is reported, the user equipment measures the IC (the ICIC event) on the serving cell.
  • the embodiment of the present invention proposes a method for adjusting the measurement report gate P ⁇ of the user equipment, so that the user equipment reports the event to match the actual wireless environment.
  • the network is, for example, an ad hoc network, according to the received related information.
  • the information is used to determine whether the user equipment enters the edge location of the cell, and according to the determination result, the measurement report threshold of the user equipment is adjusted, so that the measurement report threshold of the user equipment is suitable for the location of the user equipment in the cell.
  • the related information may be a measurement report reported by the user equipment, or the related information may also include location information of the user equipment and interference information sent by the neighboring cell, where the neighboring cell is a serving cell where the user equipment is currently located. Adjacent cells.
  • the present invention can be used in various wireless communication systems, such as an evolved network system (such as LTE/LTEA system), WCDMA, CDMA, and the like.
  • an evolved network system such as LTE/LTEA system
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • the S10 user device reports the measurement report.
  • the user equipment refers to the measured value of the serving cell (ie, the cell where the user equipment is currently located) and the neighboring cell signal receiving power (RSRP, Reference S ignal Receive Power), and/or refers to the local to the serving cell.
  • RSRP neighboring cell signal receiving power
  • the measurement value of the neighboring cell signal reception quality (RSRQ, Reference S ignal Receive Qua li ty ) to distinguish whether it is in the cell edge zone. If the user equipment is in the cell edge zone, it is easy to cause interference to the neighboring cell, and/or may be interfered by the neighboring cell.
  • the user of the user equipment belongs to the edge user, and the user equipment needs to report the measurement report, that is, the small-range interference coordination.
  • the ICIC report (ICIC, Inter Cel l Interference Coordinat ion ); If the measured value satisfies the reporting threshold of the measurement report for a period of time, the ICIC report begins.
  • the self-organizing network may use the location information of the user equipment when determining the location of the user equipment, the user equipment may also report its location information.
  • the eNB detects whether the interference reporting information from the neighboring cell is received.
  • the interference upper information includes: at least one of a high interference indication, a channel quality indication, an overload indication, and a maximum downlink transmission power of each physical resource block. If the eNB receives the interference report information from the neighboring cell, the eNB is configured to report the location information of the user equipment, and after receiving the location information reported by the user equipment, the location information and the information from the neighboring cell.
  • the interference reporting information is forwarded to the self-organizing network. Go to S 1 05.
  • the eNB forwards the measurement 4 report to the ad hoc network. Go to S 105. For example, if the eNB determines that the overload indication from the neighboring cell is not received after receiving the measurement report of the user equipment, the eNB transmits the measurement report reported by the collected user equipment to the self-organizing network.
  • the interference reporting information may be information reflecting interference of the serving cell to the neighboring cell, or may be information reflecting interference of the neighboring cell to the serving cell.
  • the ad hoc network determines whether the user equipment enters an edge location of the serving cell according to the received measurement report or according to the received interference reporting information and the location information.
  • the self-organizing network will analyze. If only the measurement report is received, then it can be considered that: The measured value of the user equipment has reached the reporting threshold of the measurement report, so that when it has theoretically entered the cell edge, the expected cell edge is not generated. Interference (because the interference information is not received in response to the actual interference situation), it can be inferred that the user equipment is still in the center of the cell, and the reporting threshold of the measurement report is set low. If the measurement report is not received, and the interference report information and the location information are received, and the self-organizing network determines that the physical location of the user equipment is far from the cell center by using the location information reported by the user equipment, the user may be considered as a user.
  • the device has generated cell edge interference, ie, in fact the user equipment is already at the cell edge location. However, the user equipment does not report the measurement report at this time, that is, the measured value of the user equipment has not reached the reporting threshold of the measurement report, so that the user equipment is still in the center of the cell in theory, which conflicts with the actual situation, and thus can be inferred.
  • the reporting gate P ⁇ of the user equipment measurement report is set too high.
  • the self-organizing network adjusts a reporting threshold of the measurement report of the user equipment of the serving cell, so that the measurement report threshold of the user equipment is consistent with the location of the user equipment in the cell. If the reporting threshold of the measurement report is set low, the self-organizing network increases the reporting threshold; if the reporting threshold of the measurement report is set too high, the self-organizing network lowers the reporting threshold and sends the adjustment result to the Serving cell eNB.
  • the eNB receives an adjustment result of the reporting threshold of the self-organizing network adjustment measurement report.
  • the eNB forwards the adjustment result to the user equipment.
  • the eNB may forward the adjustment result to the user equipment by using dedicated signaling or a broadcast message.
  • the content of the message is:
  • Threshold (optional )
  • the user equipment receives an adjustment result sent by the eNB.
  • the user equipment adjusts the measurement report threshold according to the adjustment result.
  • the reporting threshold of the measurement report of the user equipment of the serving cell is dynamically adjusted according to the measurement report of the user equipment of the serving cell, or according to the location information of the user equipment and the interference reporting information of the neighboring cell, so that the reporting threshold and the user are The location of the device in the serving cell is consistent, so that the reporting threshold of the measurement report can be matched with the actual wireless environment.
  • the second embodiment of the method of the present invention is shown in FIG. 2.
  • the S20 user equipment reports the measurement report.
  • the user equipment distinguishes whether it is in the edge of the cell by referring to the measured value of the received power of the serving cell and the neighboring cell signal by the local device, and/or referring to the measured value of the signal receiving quality of the serving cell and the neighboring cell by the local device. . If the user equipment is in the cell edge zone, it is easy to cause interference to the neighboring cell, and/or may be interfered by the neighboring cell, and belongs to the edge user.
  • the measurement report that is, the inter-cell interference coordination report (ICIC Inter Cel) l Interference Coordinat ion ); If the measured value satisfies the reporting threshold of the measurement report for a period of time, the ICIC report begins.
  • the self-organizing network may need to use the location information of the user equipment when determining the location of the user equipment, the user equipment may also report the location information.
  • the eNB detects whether an overload indication from the neighboring cell is received.
  • the overload indication includes: a disturbed resource block identifier, an interference level, and time information of the interference.
  • the eNB sends the overload indication information and the location information of the user equipment to the ad hoc network. Go to S206.
  • the eNB If the eNB receives the overload indication reported by the neighboring cell to the serving cell, the time information of the interfered resource block in the overload indication matches the time of the serving cell scheduling user equipment, and the user equipment is in the scheduling time.
  • the interference level is greater than the interference threshold, and the eNB commands the user equipment to report its own location information. After receiving the location information reported by the user equipment, the eNB gives the overload indication information and the location information of the user equipment to the user equipment. Organize the network.
  • the interference gate P ⁇ can be obtained by simulation or network statistics.
  • the eNB may forward consecutive measurement reports of several consecutive user equipments collected in a period of time, and location information and an overload indication from the neighboring cell to the ad hoc network.
  • the self-organizing network can be divided into a distributed self-organizing network and a centralized self-organizing network.
  • the eNB sends the measurement report, the location information, and the interference report information (the overload indication information in this embodiment) to the distributed ad hoc network through an internal function entity information interaction manner (such as function transfer); the eNB can pass the if-s interface.
  • the message sends the measurement report, location information, and interference report information to a centralized ad hoc network. That is to say, for different architecture networks, the base station can send measurement reports, location information, and interference report information to the ad hoc network in different manners.
  • the reason for the determination has been explained in the step S105 of the first embodiment of the method of the present invention, and will not be described herein.
  • S206 If the measurement report is not received, the overload indication and the location information are received, and if the location information indicates that the user equipment is adjacent to the cell reporting the interference report information, the self-organizing network determines that the user equipment is actually Enter the edge of the service cell. The reason for the determination has been explained in the step S105 of the first embodiment of the method of the present invention, and is not described herein.
  • the self-organizing network adjusts a reporting threshold of the measurement report of the user equipment of the serving cell, so that the measurement report threshold of the user equipment is consistent with the location of the user equipment in the cell.
  • the measurement threshold of the user equipment includes: a measurement report start threshold and a measurement 4 end threshold.
  • the measurement report start gate P is adapted to enable the user equipment to start reporting the measurement report at the timing of the user equipment entering the cell edge.
  • the measurement threshold is too high at the beginning of the measurement report. The interference is increased; the measurement threshold is too low to increase the burden on the community.
  • the measurement report end gate P is for adapting the timing at which the user equipment ends the reporting of the measurement report to the timing at which the user equipment switches. If the threshold of the measurement report is too high, the user equipment will continue to report unnecessary measurement reports and waste resources. If the measurement report end threshold is too low, the user equipment will stop reporting the measurement report and the location of the user equipment will be lost.
  • the adjustment method of this step is specifically as follows: If the ad hoc network determines that the user equipment has not entered the serving cell edge location, and then reports the measurement report, the measurement report start threshold of the user equipment is raised. If the ad hoc network determines that the user equipment actually enters the serving cell edge location but has not yet started reporting the measurement report, the measurement report start threshold of the user equipment is lowered. If the ad hoc network determines that the user equipment actually enters the serving cell edge location and the interference does not reach the handover threshold, the user equipment's measurement end threshold is raised.
  • the measurement report end threshold of the user equipment is lowered. Further, in order to make the reporting threshold adjustment more suitable for the actual situation, and to better match the actual location of the user equipment, the interference information and/or the switching threshold may be divided into more than one level, and the self-organizing network is each level. Set the amplitude of the adjustment measurement report threshold.
  • three adjustment levels can be set: for lighter interference, each time according to the unit; for medium interference, each time according to ⁇ unit adjustment; for heavier interference, each time according to ⁇ unit adjustment;
  • the values therein can be determined based on simulation results or network statistics.
  • the distributed self-organizing network sends the adjustment result through the internal functional entity information interaction manner;
  • the Chinese self-organizing network sends the adjustment result through the if-S interface message.
  • the eNB receives an adjustment result of the reporting threshold of the self-organizing network adjustment measurement report.
  • the eNB forwards the adjustment result to the user equipment.
  • the eNB may forward the adjustment result to the user equipment by using dedicated signaling or a broadcast message.
  • the information content is:
  • Thresholdl ( optional )
  • Threshold2 ( optional )
  • the S21 user equipment receives the adjustment result sent by the eNB. S212.
  • the user equipment adjusts the measurement report threshold according to the adjustment result.
  • the reporting threshold of the measurement report of the user equipment of the serving cell is dynamically adjusted according to the measurement report of the user equipment of the serving cell, or according to the location information of the user equipment and the overload indication from the cell, so that the adjusted reporting threshold is The location of the user equipment in the current serving cell matches.
  • the reporting threshold of the measurement report of the user equipment can be adapted to the changed cell range to match the actual wireless environment.
  • Embodiment 3 of the method of the present invention is shown in FIG. S 301.
  • the user equipment reports a measurement report.
  • the eNB detects whether a high interference indication from the neighboring cell is received.
  • the eNB reports the received high interference indication information and the location information of the user equipment to the ad hoc network. Go to S 306.
  • the eNB If the eNB receives the high interference indication from the neighboring cell to the serving cell, the high interference indication indicates that the resource currently used by the neighboring cell has exceeded the load threshold, and the eNB commands the user equipment to report its own location information. After receiving the location information reported by the user equipment, the eNB sends the high interference indication information and the location information of the user equipment to the self-organizing network.
  • the load gate P ⁇ can be obtained by simulation or network statistics.
  • the eNB forwards the measurement report to the ad hoc network. For example, if a high interference indication from a neighboring cell is not received after collecting the measurement report of the user equipment, the eNB forwards the measurement report to the ad hoc network.
  • the eNB may measure consecutive measurements of several consecutive user equipments collected over a period of time.
  • the location information and the high interference indication from the neighboring cell are forwarded to the ad hoc network.
  • the self-organizing network is divided into a distributed self-organizing network and a centralized self-organizing network. If it is a distributed ad hoc network, the eNB sends the measurement report, location information, and interference report information to the distributed ad hoc network through internal functional entity information interaction, such as function delivery. For the centralized self-organizing network, the eNB sends the measurement report, the location information, and the interference report information to the centralized ad hoc network through the i f-s interface message.
  • the self-organizing network determines that the user equipment actually enters The location of the service cell edge. The reason for the determination is the same as that in S105 of the first embodiment of the present invention, and is not mentioned here.
  • the self-organizing network adjusts a reporting threshold of the measurement report of the user equipment of the serving cell, so that the measurement report threshold of the user equipment is consistent with the location of the user equipment in the cell.
  • the measurement threshold of the user equipment includes: a measurement report start threshold and a measurement 4 end threshold.
  • the measurement report start gate P is for adapting the timing at which the user equipment starts reporting the measurement report to the timing at which the user equipment enters the cell edge. If the measurement threshold is too high, the inter-cell interference will increase. If the measurement threshold is too low, the cell burden will be increased.
  • the measurement report end gate P is for adapting the timing at which the user equipment ends the reporting of the measurement report to the timing at which the user equipment switches. If the threshold of the measurement report is too high, the user equipment will continue to report unnecessary measurement reports and waste resources. If the measurement report end threshold is too low, the user equipment will stop reporting the measurement report and the location of the user equipment will be lost.
  • the method for adjusting the step is as follows: If the ad hoc network determines that the user equipment has not entered the edge of the serving cell, the measurement report is started, and the measurement report start threshold of the user equipment is raised. If the ad hoc network determines that the user equipment actually enters the serving cell edge location, but has not yet started reporting the measurement report, the measurement report start threshold of the user equipment is lowered. If the ad hoc network determines that the user equipment actually enters the serving cell edge location, and the interference does not reach the handover threshold, the measurement end threshold of the user equipment is raised.
  • the interference reporting information and/or the switching gate P ⁇ may be divided into one or more. Level, the self-organizing network sets the amplitude of the measurement reporting threshold for each level setting.
  • the distributed self-organizing network sends the adjustment result through the internal functional entity information; the centralized self-organizing network sends the adjustment result through the i f-S interface message.
  • the eNB receives an adjustment result of the reporting threshold of the self-organizing network adjustment measurement report.
  • the eNB forwards the adjustment result to the user equipment.
  • the eNB forwards the adjustment result to the user equipment by using dedicated signaling or a broadcast message.
  • For the content of the message reference may be made to the corresponding description in the first and second embodiments of the foregoing method, and details are not described herein again.
  • the user equipment receives the adjustment result sent by the eNB.
  • the user equipment adjusts the measurement report threshold according to the adjustment result.
  • the reporting threshold of the measurement report of the user equipment of the serving cell is dynamically adjusted according to the measurement report of the user equipment of the serving cell, or according to the location information of the user equipment and the high interference indication from the cell, so that the adjusted reporting threshold and the user are adjusted.
  • the location of the device in the current serving cell matches.
  • the reporting threshold of the measurement report of the household device can be matched with the changed cell range to match the actual wireless environment.
  • Embodiment 4 of the method of the present invention is shown in FIG.
  • the S40 user device reports the measurement report. For a part of this, refer to the related description in the foregoing method embodiments 1 to 3, and no further description is provided here.
  • the eNB detects whether a channel quality indication from the neighboring cell is received.
  • the eNB reports the channel quality indication information and the location information of the user equipment to the self-organizing network. Go to S406.
  • the eNB If the eNB receives the channel quality indicator reported by the neighboring cell to the serving cell, the channel quality indicator is displayed in the serving cell user equipment scheduling time, the channel quality of the neighboring cell is lower than the channel quality threshold, and the time and service of the neighboring cell scheduling resource When the cell schedules the same resource, the eNB commands the user equipment to report its own location information. After receiving the location information reported by the user equipment, the eNB reports the channel quality indication information and the location information of the user equipment to the user equipment. Organize the network.
  • the load gate P ⁇ can be obtained by simulation or network statistics.
  • the eNB forwards the measurement report to the ad hoc network. For example, if the eNB determines that the channel quality indication from the neighboring cell is not received after collecting the measurement information of the user equipment, the eNB forwards the measurement report to the ad hoc network.
  • the eNB forwards successive measurement reports of several consecutive user equipments collected in one time period, and location information and channel quality indications from neighboring cells to the ad hoc network.
  • the self-organizing network is divided into a distributed self-organizing network and a centralized self-organizing network.
  • the eNB sends the measurement report, the location information, and the channel quality indicator to the distributed ad hoc network through an internal functional entity information interaction manner, such as function delivery; the eNB sends the measurement report, location information, and channel quality through an i f-s interface message.
  • the instructions are sent to a centralized ad hoc network.
  • S405 If the user equipment does not have uplink data, but has downlink data, if only the measurement report is received, the ad hoc network determines that the user equipment has not entered the serving cell edge location. Go to S407.
  • the ad hoc network determines that the user equipment actually enters the edge of the serving cell.
  • the self-organizing network adjusts a reporting threshold of the measurement report of the user equipment of the serving cell, so that the measurement report threshold of the user equipment is consistent with the location of the user equipment in the cell.
  • the measurement report threshold of the user equipment includes: a measurement start threshold and a measurement report end threshold.
  • the method for adjusting the step is as follows: If the ad hoc network determines that the user equipment has not entered the edge of the serving cell, the measurement report is started, and the measurement report start threshold of the user equipment is raised.
  • the measurement report start threshold of the user equipment is lowered.
  • the measurement end threshold of the user equipment is raised. If the ad hoc network determines that the user equipment actually enters the serving cell edge location and the interference exceeds the handover threshold, the measurement report end threshold of the user equipment is lowered. Similar to the second embodiment of the method, in order to make the reporting threshold adjustment more suitable for the actual situation and the actual position of the user equipment is adapted, the interference information and the switch gate P can be divided into more than one level. The organization network sets the magnitude of the measurement reporting threshold for each level setting.
  • the distributed self-organizing network sends the adjustment result through the internal functional entity information interaction mode such as function transfer; the centralized self-organizing network sends the adjustment result through the i f-s interface message.
  • the eNB receives an adjustment result of the reporting threshold of the self-organizing network adjustment measurement report.
  • the eNB forwards the adjustment result to the user equipment.
  • the eNB forwards the adjustment result to the user equipment by using dedicated signaling or a broadcast message.
  • the S41 user equipment receives the adjustment result sent by the eNB.
  • the user equipment adjusts the measurement report threshold according to the adjustment result.
  • the reporting threshold of the measurement report of the user equipment of the serving cell is dynamically adjusted according to the measurement report of the user equipment of the serving cell, or according to the location information of the user equipment, and the channel quality indicator from the cell, so that the reporting threshold and the user are The location of the device in the serving cell is consistent, so that the reporting threshold of the measurement report is adapted to the changed cell range and matches the actual wireless environment.
  • the fifth embodiment of the method of the present invention includes: S50 user equipment reports a measurement report.
  • S50 user equipment reports a measurement report For the description of this part, refer to the related description of the first embodiment and the second embodiment, and details are not described herein again.
  • the eNB detects whether the maximum downlink transmission function of each physical resource block from the neighboring cell is received. S503. The eNB reports the maximum downlink transmission power information of each physical resource block and the location information of the user equipment to the ad hoc network. Go to S506.
  • the eNB If the eNB receives the maximum downlink transmission power of each physical resource block reported by the neighboring cell to the serving cell, the eNB commands the user equipment to report its own location information. After receiving the location information reported by the user equipment, the eNB takes each of the foregoing The maximum downlink transmission power information of the physical resource block and the location information of the user equipment are reported to the ad hoc network.
  • the maximum downlink transmission power of each physical resource block indicates that the maximum downlink power of the physical resource block currently used by the neighboring cell user equipment is higher than the maximum downlink power threshold.
  • the maximum downlink power threshold can be obtained by simulation or network statistics. S504. Forward the measurement report to the ad hoc network.
  • the eNB forwards the measurement report to the ad hoc network.
  • the eNB may forward consecutive measurement reports of several consecutive user equipments collected in a period of time, and location information and maximum downlink transmission power of each physical resource block from the neighboring cell to the ad hoc network.
  • the self-organizing network is divided into a distributed self-organizing network and a centralized self-organizing network. If it is a distributed ad hoc network, the eNB sends the measurement report, the location information, and the maximum downlink transmission power of each physical resource block to the distributed ad hoc network through an internal functional entity information interaction manner, such as a function delivery. If it is a centralized ad hoc network, the eNB may send the measurement report, location information, and maximum downlink transmission power of each physical resource block to the centralized ad hoc network through an i f-s interface message.
  • the ad hoc network determines that the user equipment has not entered the serving cell edge position. Set. Go to S507. The reason for the determination is explained in the step S105 of the first embodiment of the method of the present invention, and details are not described herein.
  • the self-organizing network determines that the user equipment actually enters the edge of the serving cell. The reason for the determination is also explained in the step S105 of the first embodiment of the method of the present invention, and is not described herein.
  • the self-organizing network adjusts a reporting threshold of the measurement report of the user equipment of the serving cell, so that the measurement report threshold of the user equipment is consistent with the location of the user equipment in the cell.
  • the measurement threshold of the user equipment includes: a measurement report start threshold and a measurement 4 end threshold.
  • the start gate P ⁇ and the end threshold and the specific adjustment method can be the same as those described in the foregoing embodiments 2 to 4, and will not be described here.
  • the interference reporting information and/or the switching threshold can be divided into more than one level, and the self-organizing network is each.
  • the level setting adjusts the magnitude of the measurement reporting threshold. For related examples, refer to the related introduction in the foregoing method embodiments, and no longer - praise here.
  • the adjustment result can be transmitted through an internal functional entity information interaction manner, such as a function transmission, and the communication manner between the eNB and the eNB is as shown in FIG. 6.
  • the centralized self-organizing network sends the adjustment result through the if-s interface message, and the communication mode with the eNB is as shown in FIG. 7.
  • the communication manner between the ad hoc network and the eNB in the foregoing other method embodiments is the same as that in the foregoing, and can be seen in FIG. S509.
  • the eNB receives an adjustment result of the reporting threshold of the self-organizing network adjustment measurement report.
  • the eNB forwards the adjustment result to the user equipment.
  • the eNB forwards the adjustment result to the user equipment by using dedicated signaling or a broadcast message.
  • the S51 user equipment receives the adjustment result sent by the eNB. S512.
  • the user equipment adjusts the measurement report threshold according to the adjustment result.
  • related information such as: measurement report of the serving cell user equipment, or measurement report and location information of the user equipment, and interference reporting information from the neighboring cell (such as the largest physical resource block in this example)
  • the downlink transmission power is used to dynamically adjust the reporting threshold of the measurement report of the serving cell user equipment, and the reporting threshold is adapted to the actual location of the user equipment in the cell, so that the user equipment measurement report and the cell boundary change
  • the device is adapted to be adapted to the actual wireless environment.
  • the embodiment of the present invention further provides an apparatus embodiment for adjusting a reporting threshold of a user equipment measurement report, which is used according to the method steps described in the foregoing method embodiments.
  • the measurement report gate is dynamically adjusted, and the measurement report threshold is consistent with the location of the user equipment in the cell, so that the reporting threshold of the user equipment measurement report is matched with the changed cell range.
  • FIG. 8 is a schematic diagram showing the structure of an apparatus 1 for adjusting a measurement report threshold of a user equipment according to an embodiment of the present invention.
  • the device 1 is located on the network side, as shown in FIG. 8, and includes a discriminating unit 11 and an adjusting unit 12.
  • the determining unit 11 is configured to determine, according to the received measurement report reported by the user equipment, or according to the location information sent by the neighboring cell to the interference reporting information and the user equipment, whether the user equipment enters the edge location of the serving cell.
  • the adjusting unit 12 is configured to adjust a reporting threshold of the measurement report of the user equipment, so that the reporting threshold of the measurement report of the user equipment is consistent with the determined location of the user equipment in the serving cell.
  • the device may comprise a receiving unit (not shown in the drawing) for receiving the measurement report or for receiving related information such as the location information and the interference reporting information.
  • the discriminating unit 11 includes: a discriminating subunit 111: configured to determine that the user equipment has not entered the serving cell edge position when only the measurement report is received.
  • the discriminating subunit 112 is configured to: when the location information indicates that the user equipment is adjacent to the cell reporting the interference reporting information, determining that the user equipment actually enters the edge of the serving cell .
  • the foregoing interference information includes: at least one of a high interference indication, a channel quality indicator, an overload indication, and a maximum downlink transmission power of each physical resource block.
  • the above overload indication includes: the interfered resource block identifier, the interference level, and the time information of the interference.
  • the measurement thresholds of the above user equipment include: measurement report start threshold and measurement 4 report end threshold.
  • the adjusting unit 12 further includes:
  • the start threshold lowering sub-unit 121 is configured to: when the determining unit 11 determines that the user equipment has not entered the serving cell edge position, lower the measurement report start threshold of the user equipment. In other words, if it is determined that the user equipment has not entered the serving cell edge zone, the start threshold down adjustment sub-unit 121 downgrades the user equipment measurement start threshold.
  • the threshold thresholding sub-unit 122 is configured to: when the user equipment actually enters the edge of the serving cell, raise the measurement report start threshold of the user equipment.
  • the adjusting unit 12 further includes: an end threshold uppering subunit 124: configured to actually enter the serving cell edge position at the user equipment When the interference does not reach the handover threshold, the measurement end threshold of the user equipment is raised.
  • the end threshold lowering sub-unit 125 is configured to: when the user equipment actually enters the serving cell edge position, and the interference exceeds the switching threshold, the measurement report end threshold of the user equipment is lowered.
  • the device 1 further includes: a sending subunit 13: an adjustment result for transmitting the adjusting unit 12.
  • FIG. 9 is a schematic diagram of an entire apparatus 2 for adjusting a user equipment measurement report threshold according to another embodiment of the present invention.
  • the device is located in a base station device, such as an eNB.
  • the device includes: a collecting unit 21 and an uplink forwarding unit 22.
  • the apparatus may further include a result receiving unit 23 and a downlink forwarding unit 24.
  • the device 2 may further include: an indicating unit 25 for instructing the user equipment to report the location information thereof.
  • Collection unit 21 Used to collect relevant information.
  • the related information includes: a measurement report reported by the user equipment of the serving cell, or the related information includes: location information reported by the user equipment and interference information on the neighboring cell.
  • the uplink forwarding unit 22 is configured to forward the received related information to the ad hoc network.
  • Result receiving unit 23 Used to receive the adjustment result sent by the ad hoc network. Specifically, regarding the adjustment result, refer to related descriptions in the foregoing embodiments.
  • the downlink forwarding unit 24 is configured to forward the adjustment result to the user equipment.
  • the indicating unit 25 is configured to: after receiving the interference information reported by the neighboring cell, instruct the user equipment to report the location information.
  • FIG. 10 is a diagram showing an apparatus for adjusting a measurement threshold of a user equipment according to an embodiment of the present invention.
  • a schematic diagram of setting 3, the device is located in the user equipment.
  • the apparatus 3 includes: a reporting unit 31 or a location information reporting unit 32, an obtaining unit 33, and a threshold adjusting unit 34.
  • Measurement ⁇ Report on Unit 31 For the upper ⁇ measurement ⁇ report.
  • the location information reporting unit 32 is used to report the location information if it receives a command from the eNB to request location information.
  • the obtaining unit 33 is configured to receive an adjustment result sent by the eNB.
  • Threshold adjustment unit 34 For adjusting the measurement report threshold according to the adjustment result.
  • the system embodiment of the present invention includes: an eNB 8 and an ad hoc network 9. among them,
  • eNB8 used to transmit the measurement report from the user equipment, or forward the interference information from the user equipment location information and the neighboring cell to the ad hoc network 9; forward the measurement report threshold adjustment result from the ad hoc network 9 to The user device.
  • the self-organizing network 9 is configured to adjust a reporting threshold of the measurement report of the user equipment according to the measurement report of the user equipment forwarded by the eNB 8 or the location information and the interference reporting information, so that the measurement report threshold of the user equipment is consistent with the user equipment.
  • the location in the serving cell is used to send the adjustment result.
  • the reporting threshold of the measurement report of the user equipment of the serving cell is dynamically adjusted according to the measurement report of the user equipment of the serving cell or the location information and the interference reporting information from the neighboring cell, so that the reporting threshold is adapted to the changed cell range. Therefore, it is possible to accurately determine whether the user equipment is at the edge of the cell.
  • An embodiment of a method for adjusting a user equipment measurement threshold, as shown in FIG. 14, is described from the perspective of an eNB.
  • S 1401. Collect relevant information.
  • the related information includes: a measurement report of the serving cell user equipment, or includes: interference information reported by the neighboring cell and location information of the user equipment.
  • S 1402 Forward the related information to the self-organizing network, so that the network adjusts the measurement report reporting threshold of the user equipment according to the received related information, so that the adjusted reporting threshold matches the location of the user equipment in the current serving cell.
  • S 1403. Receive an adjustment result sent by the self-organizing network.
  • the method may further include: S 1400, indicating location information of the user equipment, for example, after receiving the interference information reported by the neighboring cell, the naming user equipment reports the location information.
  • the present invention also provides an embodiment of a method for adjusting a measurement report threshold described from the user equipment side, as shown in FIG.
  • the S150 user device reports its measurement report. Or
  • the user equipment reports its location information. If a command is received from the eNB requesting to report its location information, the location information is reported.
  • the reporting threshold of the measurement report of the user equipment of the serving cell is dynamically adjusted according to the measurement report of the user equipment of the serving cell, or according to the location information of the user equipment, and the interference reporting information from the cell, so that the reporting threshold and the change are performed.
  • the cell range is adapted to accurately determine whether the user equipment is at the edge of the cell.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • ROM read-only memory
  • RAM random access memory
  • the present invention is not limited to the eNB in the foregoing embodiment, and may be other base station devices, and the self-organizing network.
  • the network may also be other networks and the like which are common in the art, and the user equipment may be other terminal equipments and the like. Therefore, the scope of the invention should be determined by the scope of the claims.

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

Abstract

L'invention concerne un procédé, un dispositif et un système pour adapter le seuil de mesure de l'équipement d'utilisateur (UE), lesquels concernent le domaine de la communication mobile, et sont proposés pour résoudre le problème dans l'art antérieur selon lequel le seuil de signalement de la mesure de l'UE ne peut pas rendre compte exactement des changements de l'environnement radio réel lorsque la limite de cellule change. Dans le procédé proposé par l'invention : le fait que l'UE est à la position périphérique de la cellule de service est déterminé selon les informations adéquates reçues ; le seuil de signalement de la mesure de l'UE dans la cellule de service est adapté pour mettre le seuil de mesure de l'UE dans la cellule de service en accord avec sa position dans la cellule de service, et le résultat adapté est renvoyé à l'UE dans la cellule de service. L'invention est appliquée à un système de communication mobile.
PCT/CN2009/075791 2008-12-30 2009-12-21 Procédé, dispositif et système pour adapter un seuil de mesure d'un équipement d'utilisateur (ue) WO2010075739A1 (fr)

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CN 200810189293 CN101772062B (zh) 2008-12-30 2008-12-30 调整用户设备测量报告门限的方法、装置和系统

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