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WO2014113926A1 - Procédé de mesure de cellules, commande de réseau radio et équipement d'utilisateur - Google Patents

Procédé de mesure de cellules, commande de réseau radio et équipement d'utilisateur Download PDF

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Publication number
WO2014113926A1
WO2014113926A1 PCT/CN2013/070854 CN2013070854W WO2014113926A1 WO 2014113926 A1 WO2014113926 A1 WO 2014113926A1 CN 2013070854 W CN2013070854 W CN 2013070854W WO 2014113926 A1 WO2014113926 A1 WO 2014113926A1
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WO
WIPO (PCT)
Prior art keywords
cell
carrier
user equipment
threshold
signal quality
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/070854
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English (en)
Chinese (zh)
Inventor
徐小英
陈东
陈君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2013/070854 priority Critical patent/WO2014113926A1/fr
Priority to CN201380000117.3A priority patent/CN104145527A/zh
Publication of WO2014113926A1 publication Critical patent/WO2014113926A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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 present invention relates to the field of communications technologies, and in particular, to a cell measurement method, a wireless network controller, and a user equipment. Background technique
  • a heterogeneous network is a network composed of cells of different sizes and types, such as a macro cell, a micro cell, a pico cell, a femto cell, and a cell in a radio remote mode. By deploying macro cells and micro-class cells, it is possible to provide 10 times the system capacity for traffic-intensive areas.
  • the embodiments of the present invention provide a cell measurement method, a radio network controller, and a user equipment, to solve the problem in the prior art that the inter-frequency measurement is used.
  • an embodiment of the present invention provides a cell measurement method, including:
  • the user equipment receives the evaluation parameter information of the reporting event of the second carrier cell sent by the radio network controller, where the evaluation parameter information of the reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located;
  • the user equipment measures a signal of the first carrier cell
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • any one of the first possible implementations of the first aspect in a second possible implementation:
  • the evaluation parameter information of the reporting event indicates a signal quality threshold of the first carrier by at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific The offset of the offset.
  • an embodiment of the present invention provides a cell measurement method, including:
  • the radio network controller sends the evaluation parameter information of the second carrier cell reporting event to the user equipment, where the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located to enable the The user equipment measures the signal of the first carrier cell;
  • the radio network controller receives a measurement report of the second carrier cell that is reported by the user equipment when the signal quality of the first carrier cell meets a signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • any one of the first possible implementations of the second aspect in a second possible implementation:
  • the evaluation parameter information of the reporting event indicates the first carrier signal quality threshold by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific bias The offset of the shift.
  • an embodiment of the present invention provides a user equipment, including:
  • a receiving module configured to receive, by the radio network controller, the evaluation parameter information of the reporting event of the second carrier cell, where the evaluation parameter information of the reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located;
  • a measuring module configured to measure a signal of the first carrier cell
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • any one of the first possible implementations of the third aspect in a second possible implementation:
  • the evaluation parameter information of the reporting event indicates a signal quality threshold of the first carrier by at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific The offset of the offset.
  • an embodiment of the present invention provides a radio network controller, including:
  • a sending module configured to send, to the user equipment, the evaluation parameter information of the second carrier cell reporting event, where the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located, so that The user equipment measures a signal of the first carrier cell;
  • a receiving module configured to receive a measurement report of the second carrier cell that is reported by the user equipment when the signal quality of the first carrier cell meets a signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • any one of the first possible implementations of the fourth aspect in a second possible implementation:
  • the evaluation parameter information of the reporting event indicates the first carrier signal quality threshold by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific bias The offset of the shift.
  • an embodiment of the present invention provides a user equipment, including:
  • a receiver configured to receive, by the radio network controller, the evaluation parameter information of the reporting event of the second carrier cell, where the evaluation parameter information of the reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located;
  • a processor configured to measure a signal of the first carrier cell
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • the evaluation parameter information of the reporting event indicates a signal quality threshold of the first carrier by at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific The offset of the offset.
  • an embodiment of the present invention provides a radio network controller, including:
  • a transmitter configured to send, to the user equipment, the evaluation parameter information of the second carrier cell reporting event, where the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located, so that The user equipment measures a signal of the first carrier cell;
  • a receiver configured to receive, by the user equipment, a measurement report of the second carrier cell that is reported when the signal quality of the first carrier cell meets a signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • the evaluation parameter information of the reporting event indicates the first carrier signal quality threshold by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific bias The offset of the shift.
  • the cell measurement method, the radio network controller, and the user equipment provided by the embodiment of the present invention send the evaluation parameter information of the second carrier cell report event to the user equipment by using the radio network controller to indicate the first carrier cell where the user equipment is located.
  • a signal quality threshold the user equipment measures the cell signal of the first carrier, and reports the measurement of the second carrier cell to the radio network controller when the signal quality of the first carrier cell meets the signal quality threshold indicated by the evaluation parameter of the reporting event
  • the report so that the radio network controller can determine the signal quality of the inter-frequency carrier according to the measurement result of the intra-frequency cell signal of the carrier where the user equipment is located, can save the power consumption of the user equipment, and improve the data transmission performance of the user equipment.
  • FIG. 1 is a flowchart of a cell measurement method according to Embodiment 1 of the present invention.
  • FIG. 2 is a flowchart of a cell measurement method according to Embodiment 2 of the present invention.
  • FIG. 3 is a flowchart of a cell measurement method according to Embodiment 3 of the present invention.
  • FIG. 4 is a schematic diagram of a dual carrier coverage range according to Embodiment 3 of the present invention.
  • FIG. 5 is a flowchart of a cell measurement method according to Embodiment 4 of the present invention.
  • FIG. 6 is a schematic diagram of a dual carrier coverage range according to Embodiment 4 of the present invention.
  • FIG. 7 is a schematic structural diagram of a user equipment according to Embodiment 5 of the present invention.
  • FIG. 8 is a schematic structural diagram of a radio network controller according to Embodiment 6 of the present invention
  • FIG. 9 is a schematic structural diagram of a user equipment according to Embodiment 7 of the present invention.
  • FIG. 10 is a schematic structural diagram of a radio network controller according to Embodiment 8 of the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • the method of the present embodiment described herein is applicable to a dual carrier heterogeneous network, which may be composed of various communication systems, such as current 2G, 3G communication systems and next generation communication systems, such as the Global System for Mobile Communications ( GSM (Global System for Mobile communications), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wideband Code Division Multiple Access (WCDMA) ), frequency FDMA (Frequency Division Multiple Addressing) system, Orthogonal Frequency-Division Multiple Access (OFDMA) system, single carrier FDMA (SC-FDMA) system, general packet radio service (GPRS, General Packet) Radio Service) systems, Long Term Evolution (LTE) systems, and other such communication systems.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • OFDMA Orthogonal Frequency-Division Multiple Access
  • SC-FDMA single carrier FDMA
  • GPRS General Packet
  • LTE
  • the user equipment involved in the present application may be a wireless terminal or a wired terminal, and the wireless terminal may be a device that provides voice and/or data connectivity to the user, a handheld device with wireless connectivity, or a wireless modem. Other processing equipment.
  • the wireless terminal can communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and with a mobile terminal
  • RAN Radio Access Network
  • the computers for example, can be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices that exchange language and/or data with the wireless access network.
  • a wireless terminal may also be called a system, a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, an Access Point, Remote Terminal, Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • the radio network controller involved in the present application may be a base station (e.g., an access point), and may specifically refer to a device in the access network that communicates with the wireless terminal over one or more sectors on the air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a base station (BTS, Base Transceiver Station) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), this application is not limited.
  • BTS Base Transceiver Station
  • NodeB base station
  • NodeB evolved base station in LTE
  • LTE NodeB or eNB or e-NodeB, evolutional Node B
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this article is merely an association that describes the associated object, indicating that there can be three kinds of relationships.
  • the system for example, ⁇ and/or B, can mean: There are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/" in this article generally means that the contextual object is an "or" relationship.
  • FIG. 1 is a flowchart of a cell measurement method according to Embodiment 1 of the present invention.
  • the method provided in this embodiment mainly relates to a dual carrier scenario, and the dual carriers may each have the same or different coverage areas.
  • the user equipment may be served by a cell on the first carrier and a cell on the second carrier.
  • the cells on the first carrier and the second carrier may be a macro cell, a micro cell, a Pico cell, a Femto cell, or an RRH cell.
  • the first carrier may include a macro cell and a micro cell
  • the second carrier may also include a macro cell and a micro cell.
  • the cell measurement method in this embodiment may include the following steps:
  • the user equipment receives the evaluation parameter information of the reporting event of the second carrier cell sent by the radio network controller, where the evaluation parameter information of the reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located.
  • the first carrier is a primary carrier where the user equipment is located
  • the second carrier is a carrier that is different from the first carrier.
  • the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell in which the user equipment is located. It may also include cell information of the first carrier cell, and the signal quality satisfies information such as the duration of the signal quality threshold. In addition, cell information of the second carrier cell may also be included. Cell information such as scrambling code information or cell identification.
  • the signal quality threshold is for all cells in the first carrier. For example, if there is only one cell in the first carrier, the user equipment may measure the signal of the cell, and send a measurement of the second carrier cell to the radio network controller when the cell signal satisfies the signal quality threshold. If the first carrier includes two cells, the user equipment may separately measure the signals of the two cells, and may send the second carrier to the radio network controller when the signal of any one cell meets the signal quality threshold. The measurement of the community 4 obituary.
  • the signal quality threshold may be any signal threshold or a combination of multiple signal thresholds of a signal-to-noise ratio threshold, a path loss threshold, a signal strength, and the like.
  • the signal quality threshold may be an absolute threshold of a signal quality when the user equipment switches when the cell signal quality is poor, or an absolute threshold value of the signal quality plus a set offset;
  • the signal quality threshold may also be a defined new intra-frequency event, and the parameter in the same-frequency event The number can be: cell-specific bias CIO, signal quality absolute threshold, and signal hysteresis threshold.
  • the radio network controller may send the evaluation parameter information of the reported event to the user equipment.
  • the foregoing connection state may be a state in which the user equipment is communicating with the radio network controller, for example, a state such as a call or an Internet access.
  • the user equipment may send a signal to the radio network controller to support the inter-frequency neighboring cell based on the signal quality of the same-frequency cell.
  • the capability of the quality the wireless network controller determines whether the user equipment supports the capability, and then delivers the measurement report event only to the user equipment supporting the capability.
  • S102 The user equipment measures the signal of the first carrier cell.
  • the evaluation parameter information of the reporting event of the second carrier cell sent by the radio network controller may be received, and then the user equipment may The cell signal of one carrier is measured.
  • the connection state may be a state in which the user equipment is communicating with the radio network controller, for example, a call or an Internet.
  • the measurement by the user equipment of the cell signal of the first carrier may be performed on the signals of all the cells in the first carrier, that is, the user equipment may perform signal measurement on the primary serving cell and the cell in the same frequency as the primary serving cell.
  • the user equipment performs intra-frequency measurement in the cell where the first carrier is currently located, and when it is determined that any one of the cell signal qualities in the first carrier meets the signal quality threshold indicated by the evaluation parameter of the reporting event, the user equipment
  • the measurement report of the second carrier cell may be sent to the radio network controller, that is, the cell measurement report of the second carrier may indicate that the signal quality of any one of the cells in the first carrier where the user equipment is located is poor, and the signal quality threshold is met, for example. :
  • the signal quality of all cells on the first carrier is poor, and the threshold is met.
  • the signal of the second carrier cell is better, which can satisfy the normal communication of the user equipment; or the signal of the primary cell on the first carrier.
  • the quality is good.
  • the signal quality of the second carrier cell is good.
  • the radio network controller receives the measurement report of the second carrier cell sent by the user equipment.
  • the report indicates that the signal quality of the second carrier cell meets the signal quality threshold indicated by the evaluation parameter of the reporting event.
  • the measurement report of the second carrier cell may include the measurement result of the signal quality of the first carrier, It may also include cell information of the first carrier cell.
  • the radio network controller may control a communication connection between the user equipment and the first carrier and/or the second carrier according to the measurement report of the second carrier cell.
  • the radio network controller may estimate the signal quality of the cell on the first carrier according to the measurement report of the second carrier cell, for example, when the signal quality of the first carrier cell is higher than a certain threshold, the user is estimated to enter the second carrier.
  • the configuration operation involved in the foregoing refers to that the radio network controller establishes a new link between the user equipment and the second carrier cell, for example: when the user equipment enters the first carrier and the second within a range covered by the first carrier separately.
  • the radio network controller can configure the cell on the second carrier to establish a communication link between the user equipment and the second carrier cell, so that in the case of the link activation, the user equipment can At the same time, communication is performed with the cell on the first carrier and the cell on the second carrier.
  • the configuration operation refers to the radio network controller deleting the link connection between the user equipment and a certain cell, for example, when the user equipment enters the coverage of the first carrier separately from the common coverage of the first carrier and the second carrier.
  • the radio network controller may deconfigure the cell on the second carrier to delete the signal link connection between the user equipment and the cell on the second carrier;
  • the activation operation refers to making an established link available, for example, When the user equipment establishes a signal link connection with a certain cell, if the link is not activated, the link is still unavailable. Only when the activation is performed, the user equipment can perform normal communication through the link; The link is disabled, that is, the link between the user equipment and the established cell is reserved, but the user equipment is prohibited from communicating through the link.
  • the handover refers to changing the serving cell, that is, deleting the link between the user equipment and the current cell. Connected, and the user equipment establishes a link with another cell The communication is followed by, for example, the user equipment switching from the cell on the first carrier to the cell on the second carrier.
  • the radio network controller sends the evaluation parameter information of the second carrier cell report event to the user equipment to indicate the signal quality threshold of the first carrier cell where the user equipment is located, and the user equipment The cell signal of the carrier is measured, and the measurement report of the second carrier cell is reported to the radio network controller when the signal quality of the first carrier cell meets the signal quality threshold indicated by the evaluation parameter of the reporting event, so that the radio network controller can
  • the signal quality of the inter-frequency carrier is determined according to the measurement result of the same-frequency cell signal of the carrier where the user equipment is located, which can save power consumption of the user equipment and improve data transmission performance of the user equipment.
  • FIG. 2 is a flowchart of a cell measurement method according to Embodiment 2 of the present invention.
  • the method provided in this embodiment mainly relates to a dual carrier scenario, and the dual carriers may each have the same or different coverage areas.
  • the user equipment may be served by a cell on the first carrier and a cell on the second carrier.
  • the cells on the first carrier and the second carrier may be a macro cell, a micro cell, a Pico cell, a Femto cell, and a remote radio head ( Remote Radio Head (RRH) is a type of cell.
  • the first carrier may include a macro cell and a micro cell
  • the second carrier may also include a macro cell and a micro cell.
  • the method in this embodiment may include the following steps:
  • the radio network controller sends the evaluation parameter information of the second carrier cell report event to the user equipment, where the evaluation parameter information of the second carrier cell report event includes a signal quality threshold of the first carrier cell where the user equipment is located, so that the user equipment The signal of the first carrier cell is measured.
  • the first carrier is a primary carrier where the user equipment is located
  • the second carrier is a carrier that is different from the first carrier.
  • the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell in which the user equipment is located. It may also include cell information of the first carrier cell, and the signal quality satisfies information such as the duration of the signal quality threshold. In addition, cell information of the second carrier cell may also be included. Cell information such as scrambling code information or cell identification.
  • the signal quality threshold is for all cells in the first carrier. For example, if there is only one cell in the first carrier, the user equipment may measure the signal of the cell, and send a measurement of the second carrier cell to the radio network controller when the cell signal satisfies the signal quality threshold. If the first carrier includes two cells, the user equipment can separately The signals of the cells are separately measured, and the measurement of the second carrier cell can be sent to the radio network controller when the signal of any one cell satisfies the signal quality threshold.
  • the signal quality threshold may be any signal threshold or a combination of signal thresholds of a signal power threshold, a path loss threshold, and the like.
  • the signal quality threshold may be an absolute threshold of a signal quality when the user equipment switches in a poor cell signal quality, such as a threshold of a 1F event, where the 1F event represents serving the user equipment.
  • the signal quality of the cell is below a certain threshold; or the absolute threshold of the signal quality plus a set offset, such as the threshold of the 1F event plus an offset; or, the signal quality threshold can also
  • the parameters in the intra-frequency event can be: cell-specific bias CIO, signal quality absolute threshold, and signal hysteresis threshold.
  • the radio network controller may send the evaluation parameter information of the reported event to the user equipment.
  • the foregoing connection state may be a state in which the user equipment is communicating with the radio network controller, for example, a state such as a call or an Internet access.
  • the radio network controller sends the evaluation parameter information of the second carrier cell report event to the user equipment, the capability of the user equipment to support the signal quality of the inter-frequency neighboring cell based on the signal quality of the same-frequency cell may be received, so that the wireless The network controller determines whether the user equipment supports the capability, and then sends the measurement report event to the user equipment that supports the capability.
  • the radio network controller receives a measurement report of the second carrier cell that is reported by the user equipment when the signal quality of the first carrier cell meets the signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the user equipment may measure the signals of all the cells in the first carrier, that is, the user equipment may perform signal measurement on the primary serving cell and the cell in the same frequency as the primary serving cell, when any of the first carrier is measured.
  • the user equipment may send a measurement report of the second carrier cell to the radio network controller for reporting, that is, the measurement report of the second carrier cell may be The signal indicating that any one of the cells in the first carrier where the user equipment is located satisfies the signal quality threshold. For example, the signal quality of all the cells on the first carrier is poor, and the signal quality threshold is met.
  • the second carrier cell The signal is better, and can satisfy the normal communication of the user equipment; or the signal quality of the primary cell on the first carrier is good, and at this time, the signal quality of the second carrier cell is good.
  • the measurement report of the second carrier cell may include a measurement result of a signal quality of the first carrier, and may further include cell information of the first carrier cell.
  • the radio network controller may control a communication connection between the user equipment and the first carrier and/or the second carrier according to the measurement report of the second carrier cell.
  • the radio network controller may maintain a communication connection between the user equipment and the cell on the first carrier according to the signal quality condition of the cell on the first carrier reflected by the measurement report of the second carrier cell, and on the second carrier
  • the cell may be configured and/or activated; or, the communication connection between the user equipment and the cell on the first carrier may be maintained, and the cell on the second carrier may be deconfigured and/or deactivated; or the radio network controller may also The user equipment switches from a cell on the first carrier to a cell on the second carrier.
  • the configuration operation involved in the foregoing refers to that the radio network controller establishes a new link between the user equipment and the second carrier cell, for example: when the user equipment enters the first carrier and the second within a range covered by the first carrier separately.
  • the radio network controller can configure the cell on the second carrier to establish a communication link between the user equipment and the second carrier cell, so that in the case of the link activation, the user equipment can At the same time, communication is performed with the cell on the first carrier and the cell on the second carrier.
  • the configuration operation refers to the radio network controller deleting the link connection between the user equipment and a certain cell, for example, when the user equipment enters the coverage of the first carrier separately from the common coverage of the first carrier and the second carrier.
  • the radio network controller may deconfigure the cell on the second carrier to delete the signal link connection between the user equipment and the cell on the second carrier;
  • the activation operation refers to making an established link available, for example, When the user equipment establishes a signal link connection with a certain cell, if the link is not activated, the link is still unavailable. Only when the activation is performed, the user equipment can perform normal communication through the link; The link is disabled, that is, the link between the user equipment and the established cell is reserved, but the user equipment is prohibited from communicating through the link.
  • the handover refers to changing the serving cell, that is, deleting the link between the user equipment and the current cell. Connecting, and the user equipment establishes a link connection with another cell and communicates, for example, the user equipment from the first The cell on the carrier switches to the cell on the second carrier.
  • the radio network controller sends the evaluation parameter information of the second carrier cell report event to the user equipment to indicate the signal quality threshold of the first carrier cell where the user equipment is located, and the user equipment Cell signal of one carrier is measured, and When the signal quality of a carrier cell meets the signal quality threshold indicated by the evaluation parameter of the reporting event, the measurement report of the second carrier cell is reported to the radio network controller, so that the radio network controller can be based on the same-frequency cell of the carrier where the user equipment is located.
  • the signal measurement result is used to determine the signal quality of the inter-frequency carrier, which can save power consumption of the user equipment and improve the data transmission performance of the user equipment.
  • FIG. 3 is a flowchart of a method for measuring a cell according to Embodiment 3 of the present invention
  • FIG. 4 is a schematic diagram of a dual-carrier coverage range according to Embodiment 3 of the present invention.
  • the embodiment provides that the radio network controller maintains a communication connection between the user equipment and the cell on the first carrier according to the measurement report of the second carrier cell reported by the user equipment, and the cell in the second carrier A scenario for configuration and/or activation.
  • This embodiment provides a specific implementation scenario, where the user equipment is in a dual-carrier scenario, where the cell of the first carrier includes the first cell, and the cell of the second carrier includes the second cell, and the coverage of the first cell is greater than the second The coverage of the cell.
  • the scenario may be as shown in FIG. 4, where the first carrier includes CELL1 (ie, the first cell) and CELL2 (ie, the third cell), and the second carrier includes CELL3 (ie, the second cell) and CELL4.
  • CEI 1 and CELL3 are macro cells, and CELL2 and CELL4 are cells.
  • the current monthly service cell of the user equipment is CELL1, CELL1 and CELL3 are time-aligned. Specifically, the starting points of the frames of the primary common channel of CELL1 and CELL3 are the same.
  • the communication process between the user equipment and the radio network controller can be specifically as follows:
  • the radio network controller sends the evaluation parameter information of the second carrier cell reporting event to the user equipment, where the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located. And causing the user equipment to measure a signal of the first carrier cell.
  • the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located, that is, a signal quality threshold of the cell CELL1 and/or CELL2.
  • the information about the cell quality of the first carrier cell, the signal quality, and the duration of the signal quality threshold may also be included, that is, the cell information of the cell CELL1 and/or CELL2 may also be included, and the signal quality satisfies the duration of the signal quality threshold.
  • cell information of the second carrier cell CELL3 may also be included. Cell information such as scrambling code information or cell identification.
  • the signal quality threshold is for all cells within the first carrier. Since the current serving cell of the user equipment is CELL1, the radio network controller first determines the signal quality threshold of all cells of the first carrier of the user equipment, that is, determines that the CELL3 coverage is satisfied.
  • the signal quality of CELL1 is greater than or equal to A1, it indicates that the user equipment enters the coverage of CELL3.
  • the signal quality of CELL1 is less than A1, it indicates that the user equipment leaves the coverage of CELL3.
  • the signal quality threshold may be any signal threshold or a combination of signal thresholds of a signal power threshold, a path loss threshold, and the like.
  • the signal quality threshold may be an absolute threshold of a signal quality when the user equipment switches in a case where the signal quality of the cell CELL1 and/or CELL2 is poor, or an absolute threshold value of the signal quality plus one set.
  • the offset may include at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific offset.
  • the radio network controller may send the evaluation parameter information of the reported event to the user equipment.
  • the foregoing connection state may be a state in which the user equipment is communicating with the radio network controller, for example, a state such as a call or an Internet access.
  • the user equipment measures a cell signal of the first carrier.
  • the user equipment can measure signals of all cells in the first carrier, that is, the user equipment can perform signal measurement on both cells CELL1 and CELL2.
  • the user equipment reports the measurement report of the second carrier cell to the radio network controller.
  • the user equipment performs intra-frequency measurement in the cell CELLL1 of the first carrier that is currently located, and when any cell in the first carrier is measured, that is, the signal quality of CELL1 or CELL2 satisfies the signal indicated by the evaluation parameter of the reporting event.
  • the quality threshold for example, the signal quality of the cell CELL1 or CELL2 on the first carrier is poor, and the signal quality threshold is met.
  • the user equipment can send a measurement report of the second carrier cell to the radio network controller for reporting, and the measurement is performed. The report is used to indicate that the signal of the first cell CELL1 or the third cell CELL2 satisfies the signal quality threshold indicated by the evaluation parameter information of the above reported event.
  • the signal of the second carrier cell CELL3 is better, and can satisfy the normal communication of the user equipment.
  • the measurement report of the second carrier cell may include a measurement result of a signal quality of the first carrier, and may further include cell information of the first carrier cell. 5304.
  • the radio network controller determines, according to the measurement report, whether the cell signal of the first carrier is less than or equal to the first set threshold. If yes, execute S305. Otherwise, execute S306.
  • the radio network controller may control the user equipment and the first 'region CELL1 and/or the second carrier of the first carrier according to the signal condition of the cell CELL1 or CELL2 on the first carrier reflected by the measurement report of the second carrier cell.
  • the first setting threshold may be an absolute threshold of the user equipment that needs to be switched when the cell signal quality is very poor, and an offset, such as a threshold of the 1F event plus an offset.
  • the 1F event represents that the signal quality of the cell serving the user equipment is lower than a certain threshold.
  • the absolute threshold can ensure that the switching occurs when the signal quality of the cell where the user equipment is located is very poor, and the absolute threshold plus an offset also ensures that the user equipment and the first in the case that the signal quality is not very poor.
  • the radio network controller maintains a communication connection between the user equipment and the first cell, and activates and/or configures the second cell.
  • the radio network controller is based on the second carrier cell.
  • the measurement report determines that the signal of the cell CELL1 of the first carrier where the user equipment is located is less than or equal to the first set threshold, it can be determined that the user equipment is already at the edge of the common coverage area of the first cell CELL1 and the second cell CELL3,
  • the measurement report of the second carrier cell may continue to maintain the communication connection between the user equipment and the first cell, and determine and deactivate and/or configure the second cell CELL3 as needed, so that the user equipment no longer communicates with the second cell CE LL3. .
  • the measurement report of the second carrier cell maintains a communication connection between the user equipment and the first cell, and activates and/or configures the second cell.
  • the radio network controller determines, according to the measurement report of the second carrier cell, that the cell signal of the first carrier is greater than the first set threshold, it may be determined.
  • the user equipment is already at the edge of the common coverage of the first cell CELL1 and the second cell CELL3, and the radio network controller can continue to maintain the communication connection between the user equipment and the first cell, and configure and/or activate the second cell CELL3.
  • the communication link with the second cell CELL3 is established, and in the case of activation, the first cell CELL1 and the second cell CELL3 are simultaneously communicated.
  • the radio network controller sends the evaluation parameter information of the second carrier cell report event to the user equipment to indicate the signal quality threshold of the first carrier cell where the user equipment is located, and the user equipment is the first The cell signal of the carrier is measured, and when the signal quality of the first carrier cell meets the signal quality threshold indicated by the evaluation parameter of the reporting event, the measurement report of the second carrier cell is reported to the radio network controller, so that the radio network controller can Determining the signal quality of the inter-frequency carrier by measuring the same-frequency cell signal measurement result of the carrier where the user equipment is located, thereby controlling the communication connection between the user equipment and the first carrier and/or the second carrier, thereby saving power consumption of the user equipment , improve user equipment data transmission performance.
  • FIG. 5 is a flowchart of a method for measuring a cell according to Embodiment 4 of the present invention
  • FIG. 6 is a schematic diagram of a dual-carrier coverage range according to Embodiment 4 of the present invention.
  • this embodiment provides a scenario in which the wireless network controller switches the user equipment from the cell on the first carrier to the cell on the second carrier according to the measurement report of the second carrier cell reported by the user equipment.
  • This embodiment provides a specific implementation scenario, where the user equipment is in a dual-carrier scenario, where the cell of the first carrier includes the first cell, and the cell of the second carrier includes the second cell, and the coverage of the first cell is smaller than the second The coverage of the cell.
  • the scenario may be as shown in FIG. 6.
  • the first carrier includes CELL3 (ie, the first cell) and CELL4 (ie, the third cell), and the second carrier includes CEI K, that is, the second cell CEI 2.
  • CEI 1 and CEI 3 are macro cells, and CEI 2 and CELL4 are cells.
  • the current monthly service cell of the user equipment is CELL3, CELL 1 and CELL3 are time-aligned. Specifically, the starting points of the frames of the main common channel of CELL1 and CELL3 are the same.
  • the communication process between the user equipment and the radio network controller can be specifically as follows:
  • the radio network controller sends, to the user equipment, the evaluation parameter information of the second carrier cell reporting event, where the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located. And causing the user equipment to measure a signal of the first carrier cell.
  • the radio network controller first determines an event evaluation threshold of the measurement report of all cells of the first carrier of the user equipment, that is, determines the measurement report of the CELL3 and CELL4 cells. Event evaluation threshold.
  • the evaluation parameter information of the second carrier cell reporting event includes the user equipment
  • the signal quality threshold of a carrier cell that is, the signal quality thresholds of cells CELL3 and CELL4 may be included.
  • the information about the cell quality of the first carrier cell, the signal quality, and the duration of the signal quality threshold may also be included, that is, the cell information of the cells CELL3 and CELL4 may also be included, and the signal quality meets the duration of the signal quality threshold.
  • the cell information of the second carrier cell CELL1 may also be included.
  • the cell information is, for example, 4 U-code information or a cell identifier.
  • the signal quality threshold is for all cells within the first carrier. Since the current serving cell of the user equipment is CELL3, the radio network controller first determines the signal quality thresholds of all cells of the first carrier of the user equipment, that is, determines the signal quality thresholds of CELL3 and CELL4.
  • the signal quality threshold may be any signal threshold or a combination of signal thresholds of a signal power threshold, a path loss threshold, and the like.
  • the signal quality threshold may be an absolute threshold of a signal quality when the user equipment switches in a case where the cell CELL3 and CELL4 have poor signal quality, such as a threshold of a 1F event, where the 1F event is represented by The signal quality of the cell served by the user equipment is below a certain threshold; or the absolute threshold of the signal quality plus a set offset, such as the threshold of the 1F event plus an offset; or a new event
  • the threshold parameter is included, and the threshold parameter may include at least one of the following parameters: a hysteresis parameter, a hysteresis parameter offset, a threshold parameter, a threshold parameter offset, a cell-specific offset, and a cell-specific offset.
  • the radio network controller may send the evaluation parameter information of the reported event to the user equipment.
  • the foregoing connection state may be a state in which the user equipment is communicating with the radio network controller, for example, a state such as a call or an Internet access.
  • the user equipment measures a cell signal of the first carrier.
  • the user equipment can measure signals of all cells in the first carrier, that is, the user equipment can perform signal measurement on both cells CELL3 and CELL4.
  • the user equipment reports the measurement report of the second carrier cell to the radio network controller.
  • the user equipment performs intra-frequency measurement in the cell CELLL3 of the first carrier currently located, and when any cell in the first carrier is measured, that is, the signal quality of CELL3 or CELL4 is detected.
  • the quantity satisfies the signal quality threshold indicated by the evaluation parameter of the reporting event for example: the signal quality of the cell CELL3 or CELL4 on the first carrier is poor, and the signal quality threshold is met, and the user equipment can send the second to the radio network controller.
  • the measurement report of the carrier cell is reported, and the measurement report is used to indicate that the signal of the first cell CELL3 or the third cell CELL4 satisfies the signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the signal of the second carrier cell CELL1 is better, and can satisfy the normal communication of the user equipment.
  • the measurement report of the second carrier cell may include a measurement result of a signal quality of the first carrier, and may further include cell information of the first carrier cell.
  • the radio network controller determines, according to the measurement report, that the cell signal of the first carrier is smaller than the second set threshold, and the radio network controller switches the user equipment from the first cell to the second cell.
  • the radio network controller determines, according to the measurement report of the second carrier cell, that the signal of the cell CELL3 of the first carrier is less than the second set threshold, the radio network controller switches the user equipment from the first area CELL3 to the first Two cells CELL1.
  • the second set threshold may be an absolute threshold for switching when the signal quality is poor.
  • the user equipment performs the same-frequency measurement in the cell CELL3 of the first carrier.
  • the third cell CELL4 may be included, and the signal quality of any cell can satisfy the normal communication of the user equipment communication.
  • determining whether the cell signal of the first carrier is smaller than the second set threshold that is, determining whether the signal of the first cell CELL3 is less than a second set threshold. If less, the radio network controller may use the user equipment from the first cell. CELL3 switches to the second cell CELL1, so that the user equipment directly communicates with the second cell CELL1.
  • the radio network controller sends the evaluation parameter information of the second carrier cell report event to the user equipment to indicate the signal quality threshold of the first carrier cell where the user equipment is located, and the user equipment is the first The cell signal of the carrier is measured, and when the signal quality of the first carrier cell meets the signal quality threshold indicated by the evaluation parameter of the reporting event, the measurement report of the second carrier cell is reported to the radio network controller, so that the radio network controller can Determining the signal quality of the inter-frequency carrier by measuring the same-frequency cell signal measurement result of the carrier where the user equipment is located, thereby controlling the communication connection between the user equipment and the first carrier and/or the second carrier, thereby saving power consumption of the user equipment , improve user equipment data transmission performance.
  • FIG. 7 is a schematic structural diagram of a user equipment according to Embodiment 5 of the present invention.
  • the radio network controller may include: a receiving module 701, a measuring module 702, and a sending module 703.
  • the receiving module 701 is configured to receive, by the radio network controller, the evaluation parameter information of the reporting event of the second carrier cell, where the evaluation parameter information of the reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located;
  • the measuring module 702 is configured to measure a signal of the first carrier cell
  • the sending module 703 is configured to report the measurement report of the second carrier cell to the radio network controller if the signal quality of the first carrier cell satisfies the signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the user equipment in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • the evaluation parameter information of the reporting event indicates a signal quality threshold of the first carrier by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific The offset of the offset.
  • the user equipment in this embodiment may be used to implement the technical solutions in the embodiments of the method shown in FIG. 3, FIG. 4, FIG. 5, and FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 8 is a schematic structural diagram of a radio network controller according to Embodiment 6 of the present invention. As shown in FIG. 8, the radio network controller may include: a transmitting module 801 and a receiving module 802.
  • the sending module 801 is configured to send, to the user equipment, the evaluation parameter information of the second carrier cell reporting event, where the evaluation parameter information of the second carrier cell reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located, so that the user equipment Measuring a signal of the first carrier cell;
  • the receiving module 802 is configured to receive a measurement report of the second carrier cell that is reported by the user equipment when the signal quality of the first carrier cell meets the signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the radio network controller of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • the evaluation parameter information of the reporting event indicates the first carrier signal quality threshold by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific bias The offset of the shift.
  • the radio network controller of this embodiment may be used to implement the technical solutions of the method embodiments shown in FIG. 3, FIG. 4, FIG. 5, and FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of a user equipment according to Embodiment 7 of the present invention.
  • the radio network controller may include: a receiver 901, a processor 902, and a transmitter 903.
  • the receiver 901 is configured to receive the evaluation parameter information of the reporting event of the second carrier cell sent by the radio network controller, where the evaluation parameter information of the reporting event includes a signal quality threshold of the first carrier cell where the user equipment is located;
  • the processor 902 is configured to measure a signal of the first carrier cell.
  • the transmitter 903 is configured to report the measurement report of the second carrier cell to the radio network controller if the signal quality of the first carrier cell satisfies the signal quality threshold indicated by the evaluation parameter information of the reporting event.
  • the user equipment in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • the evaluation parameter information of the reporting event indicates a signal quality threshold of the first carrier by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific The offset of the offset.
  • the user equipment in this embodiment may be used to implement the technical solutions in the embodiments of the method shown in FIG. 3, FIG. 4, FIG. 5, and FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 10 is a schematic structural diagram of a radio network controller according to Embodiment 8 of the present invention. As shown in FIG. 8, the radio network controller may include: a transmitter 1 11 and a receiver 112.
  • the transmitter 1 11 is configured to send, to the user equipment, the evaluation parameter information of the second carrier cell report event, where the evaluation parameter information of the second carrier cell report event includes a signal quality threshold of the first carrier cell where the user equipment is located to enable the user
  • the device measures the signal of the first carrier cell
  • the receiver 112 is configured to receive the signal quality of the user equipment in the first carrier cell to meet the report.
  • the measurement report of the second carrier cell reported when the signal quality threshold indicated by the parameter information is evaluated.
  • the radio network controller of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the signal quality threshold includes at least one of the following thresholds: a signal to noise ratio threshold, a signal strength threshold, and a path loss threshold.
  • the evaluation parameter information of the reporting event indicates the first carrier signal quality threshold by using at least one of the following parameters: hysteresis parameter, hysteresis parameter offset, threshold parameter, threshold parameter offset, cell-specific offset, and cell-specific bias The offset of the shift.
  • the radio network controller of this embodiment may be used to implement the technical solutions of the method embodiments shown in FIG. 3, FIG. 4, FIG. 5, and FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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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 de mesure de cellules, une commande de réseau radio et un équipement d'utilisateur. Le procédé comporte les étapes suivantes: un équipement d'utilisateur reçoit des informations de paramètres d'évaluation concernant un événement de compte rendu d'une deuxième cellule porteuse envoyé par une commande de réseau radio, les informations de paramètres d'évaluation concernant l'événement de compte rendu comportant un seuil de qualité de signal d'une première cellule porteuse dans laquelle est situé l'équipement d'utilisateur; l'équipement d'utilisateur mesure un signal de la première cellule porteuse; et, si la qualité du signal de la première cellule porteuse satisfait le seuil de qualité de signal indiqué par les informations de paramètres d'évaluation concernant l'événement de compte rendu, l'équipement d'utilisateur notifie un compte rendu de mesures de la deuxième cellule porteuse à la commande de réseau radio. Dans le procédé de mesure de cellules décrit dans la présente invention, la commande de réseau radio peut déterminer la qualité du signal d'une porteuse inter-fréquences en fonction du résultat de mesure du signal d'une cellule intra-fréquence de la porteuse dans laquelle est situé l'équipement d'utilisateur, réalisant ainsi une économie sur la consommation d'énergie électrique de l'équipement d'utilisateur, et améliorant les performances d'émission de données de l'équipement d'utilisateur.
PCT/CN2013/070854 2013-01-22 2013-01-22 Procédé de mesure de cellules, commande de réseau radio et équipement d'utilisateur Ceased WO2014113926A1 (fr)

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PCT/CN2013/070854 WO2014113926A1 (fr) 2013-01-22 2013-01-22 Procédé de mesure de cellules, commande de réseau radio et équipement d'utilisateur
CN201380000117.3A CN104145527A (zh) 2013-01-22 2013-01-22 小区测量方法、无线网络控制器和用户设备

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