WO2015100947A1 - Procédé et dispositif de resélection de cellule, et procédé et dispositif de configuration de paramètre de cellule - Google Patents

Procédé et dispositif de resélection de cellule, et procédé et dispositif de configuration de paramètre de cellule Download PDF

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Publication number
WO2015100947A1
WO2015100947A1 PCT/CN2014/079414 CN2014079414W WO2015100947A1 WO 2015100947 A1 WO2015100947 A1 WO 2015100947A1 CN 2014079414 W CN2014079414 W CN 2014079414W WO 2015100947 A1 WO2015100947 A1 WO 2015100947A1
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Prior art keywords
cell
parameter
power
cell reselection
macro
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PCT/CN2014/079414
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English (en)
Chinese (zh)
Inventor
詹建明
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中兴通讯股份有限公司
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Publication of WO2015100947A1 publication Critical patent/WO2015100947A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of network deployment, and in particular, to a cell reselection method, apparatus, and cell parameter configuration method and apparatus. Background technique
  • UMTS Hetnet Universal Mobile Telecommunications System Heterogeneous Network
  • the uplink and downlink imbalance of the user may occur, and the above-mentioned imbalance problem is solved in the related art.
  • Two methods One is to deploy low-power base stations of the same frequency in the macro cell, such as micro cells (micro cells) and pico cells (Pico cells) to solve the rapidly growing data traffic and various mobile Internet applications.
  • these low-power base stations are deployed in the macro cell to achieve supplementary coverage of hotspots, forming a Hetnet heterogeneous network in which a macro cell and a low-power cell coexist; and another is to enhance a low-power cell pilot technology, the technology
  • the P-CPICH/P-CCPCH/P-SCH/S-SCH channel coverage is mainly enhanced, and the terminal in the unbalanced area can complete the soft handover process.
  • the space separation between the primary common pilot downlink boundary of the low-power cell and the original downlink service boundary is achieved, so that the soft handover region boundary is moved to the uplink boundary region of the unbalanced region, and the low-power cell is realized.
  • the differentiated coverage strategy between the pilot and the downlink service, the low power cell pilot, the broadcast, the large coverage of the synchronization channel, and the low power cell downlink service cover the small coverage.
  • the terminal in the In the pilot power boost region, that is, the P-CPICH (Principal Common Pilot Channel) pilot boundary region of the low power cell and In the area between the downlink boundary of the HS-PDSCH (High-Speed Physical Downlink Shared Channel), the terminal in the idle (IDLE) state measures that the P-CPICH pilot power of the low-power cell is relatively large. The terminal is caused to select a low power cell as a camping cell.
  • the P-CPICH Principal Common Pilot Channel
  • the HS-DSCH (High-Speed Downlink Shared Channel) serving cell and the E-DCH (Enhanced Dedicated Channel) serving cell of the mobile user in the area are macro cells, so When the terminal is in the idle state and the macro cell is selected as the serving cell, the signaling switching needs to be performed in the area. In the unbalanced area, the signaling switching fails during the signaling switching, which brings the user terminal to use. inconvenient. Therefore, when the terminal is in the pilot power enhancement region of the unbalanced region, how to reduce the cell signaling change and reduce the probability of signaling handover failure is an urgent problem to be solved. Summary of the invention
  • the embodiments of the present invention provide a cell reselection method, a device, and a cell parameter configuration method and apparatus.
  • the embodiment of the invention provides a cell reselection method, including:
  • the macro cell is selected as the serving cell of the terminal according to the cell reselection parameter of the enhanced low power cell and the macro cell.
  • the setting, by the setting, the cell reselection parameter of the enhanced low-power cell in the coverage area of the macro cell includes: setting a comparison parameter included in the cell reselection parameter.
  • the setting, by the setting, the comparison parameter included in the cell reselection parameter includes:
  • Setting a comparison parameter of the enhanced low power cell is greater than a comparison parameter of the macro cell.
  • setting a comparison parameter of the enhanced low power cell is greater than The macro cell comparison parameters are:
  • the comparison parameter of the enhanced low-power cell is set to be equal to a sum of a comparison parameter of the macro cell and a comparison parameter adjustment threshold, where the comparison parameter adjustment threshold is greater than zero.
  • the comparison parameter adjustment threshold is equal to a ratio of the enhanced power pilot of the low power cell to the unenhanced power pilot.
  • the comparison parameter includes at least the following parameters: Qqualmin, Qrxlevmin.
  • An embodiment of the present invention further provides a cell parameter configuration method, including:
  • the cell reselection parameter of the corresponding enhanced low power cell in the macro cell is set according to the cell reselection parameter setting rule, so that the pilot power of the enhanced low power cell is located.
  • the terminal of the enhanced area selects the macro cell as a serving cell.
  • the cell reselection parameter setting rule includes: setting a comparison parameter included in the cell reselection parameter.
  • setting the comparison parameter included in the cell reselection parameter is: setting a comparison parameter of the enhanced low power cell to be larger than a comparison parameter of the macro cell.
  • the embodiment of the invention further provides a cell reselection device, comprising: a parameter setting module and a cell reselection module;
  • the parameter setting module is configured to: set a cell reselection parameter of the enhanced low power cell in the macro cell coverage area;
  • the cell reselection module is configured to select the macro cell according to the enhanced low power cell and the cell reselection parameter of the macro cell when the terminal is located in the pilot power enhancement zone of the enhanced low power cell. It is the serving cell of the terminal.
  • the setting, by the parameter setting module, the cell reselection parameter of the enhanced low-power cell in the coverage area of the macro cell includes: setting a ratio of the cell reselection parameter Select parameters.
  • An embodiment of the present invention further provides a cell parameter configuration apparatus, including: a receiving module and a processing module;
  • the receiving module is configured to receive a cell reselection parameter setting command, where the cell reselection parameter setting command includes a cell reselection parameter setting rule;
  • the processing module is configured to: according to the cell reselection parameter setting command, set a cell reselection parameter of a corresponding enhanced low-power cell in the macro cell according to the cell reselection parameter setting rule, so that the enhancement is located in the enhancement
  • the terminal of the type low power cell pilot power enhancement zone selects the macro cell as a serving cell.
  • the embodiment of the present invention further provides a computer readable storage medium, the storage medium comprising a set of computer executable instructions, the instructions being used to perform the cell reselection method according to the embodiment of the present invention.
  • the embodiment of the present invention further provides a computer readable storage medium, where the storage medium includes a set of computer executable instructions, and the instructions are used to execute a cell parameter configuration method according to an embodiment of the present invention.
  • the cell reselection method and apparatus, and the cell parameter configuration method and apparatus provided by the embodiments of the present invention can solve the signaling switching complexity and the signaling handover failure rate when the terminal is in the pilot power enhanced area of the enhanced low-power cell.
  • the cell reselection method provided by the embodiment of the present invention includes: selecting a macro for a terminal in a pilot power boost zone of an enhanced low power cell by resetting a cell reselection parameter of an enhanced low power cell in a macro cell coverage area.
  • the cell reduces the complexity of the signaling switching required by the terminal in the pilot power boosting area, and also solves the inconvenience caused by the high signaling failure rate and the user experience is not high. .
  • FIG. 1 is a schematic structural diagram of a communication system in related art
  • FIG. 2 is a flowchart of a cell reselection method according to a first embodiment of the present invention
  • FIG. 3 is a flowchart of a cell parameter configuration method according to a second embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a communication system according to a third embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a cell reselection apparatus according to a fourth embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a cell parameter configuration apparatus according to a fifth embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a communication system according to a sixth embodiment of the present invention.
  • the cell reselection parameter of the enhanced low-power cell in the coverage area of the macro cell is reset according to the cell reselection parameter setting rule in the cell reselection parameter setting command, which can be in the pilot power enhancement zone.
  • the terminal directly selects the macro cell as the serving cell.
  • the cell reselection parameter setting rule includes setting a comparison parameter included in the cell reselection parameter, and in another embodiment of the present invention, The threshold value is adjusted by adding a comparison parameter, so that the comparison parameter in the cell reselection parameter of the low power cell is larger than the comparison parameter in the cell reselection parameter of the macro cell, thereby resetting the enhanced low power cell in the macro cell.
  • the terminal can directly select the macro cell as the serving cell, which avoids the selection of the enhanced low-power in the prior art.
  • the embodiment of the present invention can satisfactorily satisfy the user's use requirement and improve the user's experience satisfaction.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 is a cell reselection method provided by this embodiment, where the method includes:
  • Step 201 Set a cell reselection parameter of the enhanced low power cell in the macro cell coverage area.
  • Step 202 When the terminal is located in the pilot power enhancement zone of the enhanced low-power cell, select the macro cell as the service of the terminal according to the enhanced low-power cell and the cell reselection parameter of the macro cell. Community.
  • the setting command of the cell reselection parameter of the enhanced low-power cell in the macro cell coverage area may be from a network controller on the network side, or may be from a base station controller.
  • the executor of the cell reselection parameter of the enhanced low-power cell in the coverage area of the macro cell may be the base station itself or a third-party setting device.
  • the base station is preferably the enhanced low-power device.
  • the cell is a low-power cell covered by the macro cell; the enhanced low-power cell is a low-power cell with enhanced common pilot transmit power, and the "enhanced" of the enhanced low-power cell is embodied in: an enhanced low-power cell
  • the ratio of the maximum transmit power of the pilot power to the cell is larger than the ratio of the maximum transmit power of the cell to the pilot power of the ordinary low-power cell.
  • the terminal in an idle state, and when it is located in the pilot power enhancement zone of the enhanced low-power cell, the terminal may be based on the enhanced low-power cell and the The cell reselection parameter of the macro cell selects the macro cell as the serving cell, instead of the low power cell, and the pilot power enhancement zone is also located in the unbalanced area of the uplink and downlink service links.
  • the terminal is in the pilot power boost zone and can select the macro cell as the serving cell in the idle state.
  • the cell reselection parameter is a comparison parameter included therein, and the comparison parameter is a quality metric for performing cell selection and reselection.
  • the comparison parameter is used as the reselected cell reselection parameter.
  • the reselection parameter may also be other parameters capable of cell selection and reselection, and is not limited to the preferred embodiment. parameter.
  • the specific process of setting the cell reselection parameter of the enhanced low-power cell in the macro cell coverage area is preferably: the enhanced low-power cell receives the system update message from the network side, and the system updates.
  • the message includes a corresponding parameter setting rule, and after receiving the message, the resetting of the enhanced low-power cell reselection parameter is performed, and the system update message is not limited.
  • the device is preferably from the network side, and may also be from a third party. When the device detects that the terminal is in the pilot power enhancement region of the enhanced low-power cell, it sends the system to the enhanced low-power cell. Update the message.
  • the specific method for setting the cell reselection parameter of the enhanced low-power cell according to the corresponding parameter setting rule in the system update message is preferably: increasing the comparison parameter of the enhanced low-power cell, so that the enhanced low-power cell is The comparison parameter is larger than the macro cell comparison parameter.
  • the purpose of this is to increase the difficulty of cell selection and reselection of the enhanced low-power cell, so that the terminal can not easily select the enhanced low-power cell as the serving cell in the pilot power enhancement region, thereby performing other cells.
  • the macro cell is selected as a service.
  • the terminal selects the macro cell as the serving cell in the pilot power enhancement region.
  • the macro cell can be easily selected as the serving cell when the terminal is in the pilot power enhancement region by changing the settings of other parameters.
  • the comparison parameter of the enhanced low-power cell is increased, so that the comparison parameter of the enhanced low-power cell is greater than the preference of the macro cell comparison parameter is: adding a comparison parameter adjustment to the comparison parameter of the macro cell Threshold, changing the comparison parameter of the low-power cell is equal to the comparison parameter of the macro cell after increasing the comparison parameter adjustment threshold.
  • the comparison parameter of the enhanced low-power cell may be added to the original parameter value.
  • the comparison parameter adjustment threshold is increased to ensure that the comparison parameter of the enhanced low power cell is greater than the comparison parameter of the macro cell.
  • the comparison parameter of the enhanced low-power cell can be made larger than the comparison parameter of the macro cell.
  • the comparison parameter of the enhanced low-power cell is larger than the macro. Comparison parameters of the cell. Therefore, the terminal cannot select a low-power cell as the serving cell, and then reselects the macro cell with a smaller selection parameter as the serving cell.
  • the comparison parameter adjustment threshold is greater than 0, and the specific value is set. According to the actual situation.
  • the comparison parameter adjustment threshold may be any fixed value, as long as It is ensured that the comparison parameter of the enhanced low-power cell is greater than the comparison parameter of the macro cell after the comparison parameter adjustment threshold is increased.
  • the comparison parameter adjustment threshold is low.
  • the comparison parameter includes at least Qqualmin, Qrxlevmin, wherein the comparison parameter is further divided into a comparison parameter Qqualmin or/and Qrxlevmin of the enhanced low power cell, and a comparison parameter Qqualmin or/and Qrxlevmin of the macro cell. .
  • QQualmin-LPN is used to indicate that the low-power cell becomes the best 'J, CPICH Ec/N0 of the suitable cell;
  • Qrxlevmin-LPN is used to indicate that the low-power cell becomes the minimum CPICH RSCP of the suitable cell;
  • Qqualmin-macro is used to indicate that the macro cell becomes The minimum CPICH Ec/NO of the suitable cell;
  • Qrxlevmin-ma is used to indicate that the macro cell becomes the minimum CPICH RSCP of the suitable cell.
  • the CPICH Ec/NO and CPICH RSCP represent quality metrics for cell selection and reselection, that is, comparison parameters for cell selection and reselection.
  • the implementation of the foregoing cell reselection method may be implemented by software or by hardware.
  • the cell reselection parameter of the enhanced low-power cell in the macro cell coverage area is reset by using the method in this embodiment, so that when the terminal is in the pilot power enhanced area, the macro cell can be directly selected as the serving cell, and After the enhanced low power is selected, the signaling is switched, which avoids the problem of high complexity of signaling handover and high probability of signaling handover failure.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 3 is a cell parameter configuration method provided in this embodiment, where the method includes:
  • Step 301 Receive a cell reselection parameter setting command, where the cell reselection parameter setting command includes a cell reselection parameter setting rule.
  • Step 302 Set, according to the cell reselection parameter setting command, the cell reselection parameter of the corresponding enhanced low-power cell in the macro cell according to the cell reselection parameter setting rule, so that the enhanced low-power cell is located.
  • the terminal of the pilot power enhancement zone selects the macro cell as a serving cell.
  • the cell reselection parameter setting command received by the base station may be from a network controller of the network, or may be from a base station controller, and in this embodiment, preferably from the base station controller, the enhanced type
  • the low power cell is a low power cell covered by the macro cell; the enhanced low power cell is a low power cell with enhanced common pilot transmit power, and the "enhanced" of the enhanced low power cell is embodied in enhanced low power
  • the ratio of the maximum transmit power of the cell to the pilot power of the cell is larger than the ratio of the maximum transmit power of the cell of the pilot power of the ordinary low-power cell.
  • the cell reselection parameter setting rule includes: setting a comparison parameter included in the cell reselection parameter.
  • the base station configures a reselection parameter in the enhanced low-power cell in the macro cell coverage area according to the received cell reselection setting command, where the configuration is performed according to the cell in the cell reselection setting command.
  • the reselection parameter setting rule is set to enable the terminal of the pilot power enhancement region of the enhanced low power cell located in the coverage area of the macro cell to select the macro cell as the serving cell.
  • the terminal that selects the macro cell as the serving cell is in an idle state.
  • the cell reselection parameter setting rule includes setting a comparison parameter included in the cell reselection parameter, where the comparison parameter is a quality metric for performing cell selection and reselection. .
  • setting the cell reselection parameter of the corresponding enhanced low-power cell in the macro cell according to the cell reselection parameter setting rule includes: adding a comparison parameter adjustment threshold, so that the enhancement The comparison parameter of the type low power cell is greater than the comparison parameter of the macro cell.
  • the specific setting rule is that, in this embodiment, a preference parameter adjustment threshold is added to the comparison parameter in the enhanced low-power cell reselection parameter, and the threshold value may be any value greater than zero.
  • the mandatory parameter adjustment threshold is a ratio of the enhanced power pilot of the low power cell to the unenhanced power pilot.
  • Embodiment 3 The present invention will be further described below on the basis of the communication system shown in FIG.
  • the low power cell is a low power cell of a macro cell coverage area, and the low power cell enhances a common pilot transmit power
  • the network controller (NC) on the network side sends a system information update message to the low power cell, and the low power cell changes the cell reselection parameter according to the received system information update message.
  • the terminal When the terminal is in the pilot power enhancement zone and the terminal is in an idle (IDLE) state, the terminal receives reselection parameters from different cells.
  • the terminal preferably receives the primary common control physical channel (Primary Common Control)
  • the reselection parameter in the Physical Channel, P-CCPCH because the reselection parameters in the P-CCPCH channel of the low power cell have been modified, and the reselection parameters of the modified low power cell are larger than the parameters detected in the terminal. Therefore, the terminal is unable to select the low power cell as the serving cell, and instead selects the macro cell as the serving cell.
  • the RNC on the network side sends a system information update message to the low-power cell, where the system update message includes the system information block SIB11 or/and the SIB12, and the comparison parameter Qqualmin is further included in the information block SIB11 or SIB12.
  • Qqualmin-LPN is used to indicate that the low-power cell becomes the minimum CPICH Ec/NO of the suitable cell
  • Qrxlevmin-LPN is used to indicate that the low-power cell becomes the minimum CPICH SCP of the suitable cell
  • Qqualmin-macro is used to represent the macro The cell becomes the minimum CPICH Ec/N0 of the suitable cell
  • Qrxlevmin-ma is used to indicate that the macro cell becomes the minimum CPICH RSCP of the suitable cell.
  • the CPICH Ec/N0 and CPICH RSCP represent quality metrics for cell selection and reselection, that is, comparison parameters for cell selection and reselection.
  • the specific method for the cell to perform the cell reselection parameter change according to the received system information update message is: after the low power cell receives the system update message, according to the content of the system information update message to the corresponding in the low power cell
  • the cell comparison parameter is changed, and the specific change manner is to add a comparison parameter threshold to the corresponding cell comparison parameter, that is, the increase is low.
  • the cell comparison parameter in the power cell increases the difficulty of reselection of the low power cell.
  • the threshold Delta added to the comparison parameter in the enhanced low power cell is a ratio of the low power base station enhanced power pilot to the unenhanced power pilot, and the unit is dB.
  • the low power cell broadcasts the adjusted parameter through the P-CCPCH channel, so that the terminal located in the pilot power boosting area of the low power cell can accept the parameter information.
  • the cell reselection parameters are modified by the formula to be expressed as:
  • Qrxlevmin_LPN Qrxlevmin macro+Delta
  • the terminal located in the pilot power boosting area of the low power cell selects the macro cell as the serving cell. At the same time, it needs to meet the terminal's idle state at this time.
  • the cell reselection parameter of the low power cell is enhanced by using the foregoing manner to ensure that the cell comparison parameter of the low power cell is larger than the cell comparison parameter of the macro cell, so that the terminal can finally select the macro cell as the serving cell.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • FIG. 5 is a schematic structural diagram of a cell reselection apparatus according to a fourth embodiment of the present invention, including: a parameter setting module 501 and a cell reselection module 502;
  • the parameter setting module 501 is configured to: set a cell reselection parameter of the enhanced low power cell in the macro cell coverage area;
  • the cell reselection module 502 is configured to: when the terminal is located in the pilot power enhancement zone of the enhanced low power cell, select the macro cell according to the enhanced low power cell and the cell reselection parameter of the macro cell. The serving cell of the terminal.
  • the parameter setting module 501 is further configured to receive parameter setting information, which may be from the network controller or from the base station controller. In this embodiment, it is preferably from the base station controller.
  • the parameter setting module 501 is configured to: set a cell reselection parameter of the enhanced low-power cell in the macro cell coverage area, and include: setting a comparison parameter included in the cell reselection parameter.
  • setting the comparison parameter included in the cell reselection parameter is specifically: adding a threshold to the comparison parameter of the enhanced low-power cell reselection parameter corresponding to the coverage area of the macro cell, so that the comparison parameter is greater than Corresponding to the comparison parameter of the macro cell, in this way, when the terminal selects the serving cell, the terminal selects the macro cell as the serving cell.
  • the threshold is any number that is not zero. In this embodiment, the ratio of the enhanced power pilot of the low power cell to the unenhanced power pilot is preferred.
  • the cell reselection module 502 selects the macro cell as the serving cell for the terminal according to the location of the terminal in the idle state.
  • the parameter setting module 501 and the cell reselection module 502 may be configured by a central processing unit (CPU) of a cell reselection device, a processor (MPU, Micro Processing Unit), a digital signal processor (DSP), or Programmable Array (FPGA) implementation.
  • CPU central processing unit
  • MPU Micro Processing Unit
  • DSP digital signal processor
  • FPGA Programmable Array
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • Figure 6 is a parameter configuration device provided in the embodiment, the device includes: a receiving module 601 and a processing module 602;
  • the receiving module 601 is configured to: receive a cell reselection parameter setting command, and the cell reselection parameter setting command packet cell reselection parameter setting rule;
  • the processing module 602 is configured to: according to the cell reselection parameter setting command received by the receiving module 601, set the cell reselection parameter of the corresponding enhanced low-power cell in the macro cell according to the cell reselection parameter setting rule, so that the cell is located
  • the terminal of the enhanced low power cell pilot power enhancement zone selects the macro cell as a serving cell.
  • the cell reselection parameter setting rule in the cell reselection parameter setting command received by the receiving module 601 is: setting the comparison parameter in the cell reselection parameter of the enhanced low power cell to be larger than the macro cell The comparison parameter in the cell reselection parameter.
  • the processing module 602 causes the cell of the enhanced low power cell
  • the comparison parameter in the reselection parameter is greater than the comparison parameter in the cell reselection parameter of the macro cell: by adding a comparison parameter adjustment threshold, the comparison parameter adjustment threshold may be added to the low power cell reselection parameter
  • the comparison parameter in the case makes the comparison parameter in the cell reselection parameter of the enhanced low power cell larger than the comparison parameter in the cell reselection parameter of the macro cell, and the cell reselection parameter of the enhanced low power cell
  • the difference between the comparison parameter in the comparison parameter and the comparison parameter in the cell reselection parameter of the macro cell is a comparison parameter adjustment threshold.
  • the receiving module 601 may be a receiver, where the receiver is configured to receive a cell reselection parameter setting command, the cell reselection parameter setting command packet cell reselection parameter setting rule;
  • the processing module 602 may be a processor, The processor is configured to set, according to the cell reselection parameter setting command received by the receiving module 601, the cell reselection parameter of the corresponding enhanced low-power cell in the macro cell according to the cell reselection parameter setting rule, so that the cell is located
  • the terminal of the enhanced low power cell pilot power enhancement zone selects the macro cell as a serving cell.
  • the parameter configuration device in this embodiment may be a base station, or may be another third-party independent entity device, or may be a physical module existing in the base station. The present invention will be further described below with the parameter configuration apparatus as a base station.
  • the information system provided in this embodiment includes a parameter configuration device and a terminal.
  • the parameter configuration device in this embodiment is a base station 701 corresponding to the enhanced low-power cell, where: the base station 701 is configured to receive the cell weight. Selecting a parameter setting command, the cell reselection parameter setting command packet cell reselection parameter setting rule, according to the cell reselection parameter setting command, the cell reselection parameter of the corresponding enhanced low power cell according to the cell reselection parameter setting rule
  • the terminal 702 is configured to: when it is in the pilot power enhancement zone of the enhanced low-power cell, select the macro cell as the serving cell according to the enhanced low-power cell and the cell reselection parameter of the macro cell. .
  • the base station 701 receives a cell reselection parameter setting command from the RNC.
  • An embodiment of the present invention further provides a computer readable storage medium, where the storage medium includes A set of computer executable instructions for performing a cell reselection method according to an embodiment of the present invention.
  • the embodiment of the present invention further provides a computer readable storage medium, where the storage medium includes a set of computer executable instructions, and the instructions are used to execute a cell parameter configuration method according to an embodiment of the present invention.

Abstract

L'invention concerne un procédé de resélection de cellule, consistant : à régler un paramètre de resélection de cellule d'une cellule basse puissance améliorée dans la zone couverte par une macrocellule; lorsqu'un terminal est dans une zone d'amélioration de puissance pilote de la cellule basse puissance améliorée, sélectionner la macrocellule à titre de cellule de desserte du terminal sur la base des paramètres de resélection de cellule de la cellule basse puissance améliorée et de la macrocellule. L'invention concerne également un procédé de configuration de paramètre de cellule, consistant à: recevoir une instruction de réglage de paramètre de resélection de cellule comprenant une règle de réglage de paramètre de resélection de cellule; sur la base de l'instruction de réglage de paramètre de resélection de cellule, régler le paramètre de resélection de cellule de la cellule basse puissance améliorée correspondante dans la macrocellule conformément à la règle de réglage de paramètre de resélection de cellule, de manière que le terminal dans la zone à puissance pilote améliorée de la cellule basse puissance améliorée sélectionne la macrocellule à titre de cellule de desserte. Un dispositif de resélection de cellule et un dispositif de configuration de paramètre de cellule sont également décrits.
PCT/CN2014/079414 2014-01-06 2014-06-06 Procédé et dispositif de resélection de cellule, et procédé et dispositif de configuration de paramètre de cellule WO2015100947A1 (fr)

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CN201410005771.XA CN104768192A (zh) 2014-01-06 2014-01-06 小区重选方法、装置和小区参数配置方法、装置
CN201410005771.X 2014-01-06

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