WO2014086006A1 - Procédé et dispositif de sélection de cellule à largeur de bande extensible, et équipement utilisateur - Google Patents

Procédé et dispositif de sélection de cellule à largeur de bande extensible, et équipement utilisateur Download PDF

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Publication number
WO2014086006A1
WO2014086006A1 PCT/CN2012/085958 CN2012085958W WO2014086006A1 WO 2014086006 A1 WO2014086006 A1 WO 2014086006A1 CN 2012085958 W CN2012085958 W CN 2012085958W WO 2014086006 A1 WO2014086006 A1 WO 2014086006A1
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WIPO (PCT)
Prior art keywords
cell
umts
information
umts cell
frequency range
Prior art date
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PCT/CN2012/085958
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English (en)
Chinese (zh)
Inventor
徐敏
陈东
Original Assignee
华为技术有限公司
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2012/085958 priority Critical patent/WO2014086006A1/fr
Priority to CN201280002036.2A priority patent/CN104025653B/zh
Publication of WO2014086006A1 publication Critical patent/WO2014086006A1/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

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, a device, and a user equipment for a scalable bandwidth cell.
  • the bandwidth of the Universal Mobile Telecommunications System is fixed.
  • S-UMTS scalable Universal Mobile Telecommunications System
  • the S-UMTS may also be referred to as a Fractional-Universal Mobile Telecommunications System (F-UMTS).
  • the S-UMTS cell technology is still considered to be a UMTS cell technology, except that its bandwidth is lower or higher than the UMTS cell bandwidth (5 MHz or 4.2 MHz).
  • the bandwidth of the S-UMTS cell is usually set to UMTS.
  • One-ninth of the bandwidth of the cell, and the power of the S-UMTS cell is one-N of the UMTS cell, and N is a scaling factor.
  • the value of N may be 2, 4, 0.5, 0.25, and the like.
  • the bandwidth of the S-UMTS cell is an indeterminate value, regardless of whether the network side delivers the frequency range of the S-UMTS cell to the UE.
  • the UE needs to measure the bandwidth of the target S-UMTS cell multiple times to determine the frequency range of the target S-UMTS cell.
  • the frequency range of the S-UMTS cell cannot be selected, thus causing the UE to measure and
  • the measurement time is long, or the UE does not know the frequency range of the S-UMTS cell after the UE passes the measurement, so that the UE selects the S-UMTS cell to have a certain delay, or the UE cannot measure and select the S- UMTS cell.
  • An embodiment of the present invention provides a method, an apparatus, and a user equipment for selecting a scalable bandwidth cell, where the UE does not use multiple measurements to obtain a frequency range of the S-UMTS cell, so that The UE can quickly measure and select the S-UMTS cell as the serving cell of the UE.
  • a method for selecting a scalable bandwidth cell comprising:
  • the user equipment UE selects a universal mobile communication system UMTS cell as a serving cell of the UE;
  • the UE acquires scalable bandwidth S-UMTS cell information in the neighbor cell information delivered by the network side, where the S-UMTS cell information includes frequency range information of the S-UMTS cell;
  • the UE performs measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell, and obtains a measurement result of the S-UMTS cell;
  • the UE selects an S-UMTS cell as the serving cell of the UE according to the measurement result of the S-UMTS cell.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or a scaling factor N and frequency point information, where the scaling factor N represents the S-UMTS
  • the bandwidth of the cell is one-Nth of the bandwidth of the UMTS of the universal mobile communication system.
  • the UE according to the frequency range information of the S-UMTS cell included in the neighbor cell information, is S-in the neighbor cell information.
  • the UMTS cell performs measurement, and the measurement result of the S-UMTS cell is specifically included:
  • the UE measures the signal quality of the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell, and obtains a signal quality value of the S-UMTS cell.
  • the UE selects the S-UMTS cell as the serving cell of the UE according to the measurement result of the S-UMTS cell, specifically:
  • the UE selects the S-UMTS cell as the service of the UE Community.
  • the UE selects the S-UMTS according to the measurement result of the S-UMTS cell Before the cell serves as the serving cell of the UE, the method further includes:
  • the UE acquires the selected camping policy information, where the selecting the camping policy information includes: selecting a threshold value and/or a second signal quality threshold;
  • the UE selects an S-UMTS cell as the serving cell of the UE according to the measurement result of the S-UMTS cell, which is specifically:
  • the UE generates a random number
  • the UE selects the S-UMTS cell as a serving cell of the UE;
  • the UE selects the S-UMTS cell as the serving cell of the UE;
  • the UE generates a random number
  • the UE selects the S-UMTS cell as the UE Service area.
  • the network side sends the S-UMTS cell information and/or The selection resides in a policy.
  • a method for selecting a scalable bandwidth cell comprising:
  • the network side sends the neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes the frequency range information of the S-UMTS cell, so that the UE can obtain the UMTS cell as the serving cell.
  • the frequency range information of the S-UMTS cell, and the S-UMTS according to the frequency range information of the S-UMTS cell The cell performs measurement, and selects an S-UMTS cell as the serving cell of the UE according to the measurement result.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or a scaling factor N and frequency point information, where the scaling factor N represents the S-UMTS
  • the bandwidth of the cell is one-Nth of the bandwidth of the UMTS of the universal mobile communication system.
  • the method further includes:
  • a selective camping policy to the UE, so that the UE performs measurement on the S-UMTS cell in the neighbor cell information according to the neighbor cell information and the selected camping policy, and according to The selective camping policy determines a serving cell of the UE.
  • a user equipment in a third aspect, includes: a first selecting unit, an obtaining unit, a measuring unit, and a second selecting unit;
  • the first selecting unit is configured to select a mobile communication system UMTS cell as a serving cell of the UE;
  • the acquiring unit is configured to acquire the scalable bandwidth S-UMTS cell information in the neighbor cell information that is sent by the network, where the S-UMTS cell information includes frequency range information of the S-UMTS cell;
  • the measuring unit is configured to perform measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell included in the neighbor cell information acquired by the acquiring unit, to obtain the S-UMTS Cell measurement result
  • the second selecting unit is configured to select, according to the measurement result of the S-UMTS cell, an S-UMTS cell as a serving cell of the UE.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or a scaling factor N and frequency point information, where the scaling factor N represents the S-UMTS
  • the bandwidth of the cell is one-Nth of the bandwidth of the UMTS of the universal mobile communication system.
  • the measuring unit is specifically configured to measure, according to the frequency range information of the S-UMTS cell, the signal quality of the S-UMTS cell in the neighbor cell information, and obtain a signal quality value of the S-UMTS cell.
  • the second selecting unit is specifically configured to: if a signal quality value in the measurement result of the S-UMTS cell is greater than a first preset signal, according to the second possible implementation manner a quality threshold, the S-UMTS cell is selected as the serving cell of the UE.
  • the obtaining unit is further configured to obtain the selected camping policy information, where the selecting the camping policy information includes: selecting a threshold value and/or a second signal quality threshold;
  • the second selecting unit is specifically configured to generate a random number
  • the second selecting unit is further configured to: if the random number is greater than the selection threshold, select the S-UMTS cell as a serving cell of the UE;
  • the second selecting unit is specifically configured to: if the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the S-UMTS cell as the serving cell of the UE;
  • the second selecting unit is specifically configured to generate a random number
  • the second selecting unit is further configured to: if the random number is greater than the selection threshold, and the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the The S-UMTS cell is a serving cell of the UE.
  • the network side sends the S-UMTS cell information and/or the system information through the system information, in combination with the third aspect or the first possible implementation manner to the fourth possible implementation manner.
  • the selection resides in a policy.
  • a fourth aspect provides a device for selecting a scalable bandwidth cell, where the device includes: a processing unit and a sending unit;
  • the processing unit is configured to acquire pre-configured neighbor cell information.
  • the sending unit is configured to send the neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes frequency range information of the S-UMTS cell, so that the UE selects the UMTS cell as the serving cell. And obtaining the frequency range information of the S-UMTS cell, performing measurement on the S-UMTS cell according to the frequency range information of the S-UMTS cell, and selecting an S-UMTS cell as the UE according to the measurement result. Service area.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or a scaling factor N and frequency point information, where the scaling factor N represents the S-UMTS
  • the bandwidth of the cell is one-Nth of the bandwidth of the UMTS of the universal mobile communication system.
  • the sending unit is further configured to send a selection residing policy to the UE, so that the UE is configured according to the neighboring cell information and Selecting a camping policy, performing measurement on the S-UMTS cell in the neighbor cell information, and determining a serving cell of the UE according to the selected camping policy.
  • a fifth aspect provides a user equipment, where the user equipment includes: a processor and a receiver;
  • the processor is configured to select a mobile communication system UMTS cell as a serving cell of the UE;
  • the receiver is configured to obtain the scalable bandwidth S-UMTS cell information in the neighbor cell information that is sent by the network side, where the S-UMTS cell information includes frequency range information of the S-UMTS cell;
  • the processor is further configured to perform measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell included in the neighbor cell information, to obtain the measurement of the S-UMTS cell. Result
  • the processor is further configured to select, according to the measurement result of the S-UMTS cell, an S-UMTS cell as a serving cell of the UE.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or a scaling factor N and frequency point information, where The scaling factor N indicates that the bandwidth of the S-UMTS cell is a universal mobile communication system.
  • the processor is configured to: S-UMTS in the neighbor cell information according to frequency range information of the S-UMTS cell, according to the first possible implementation manner.
  • the signal quality of the cell is measured to obtain a signal quality value of the S-UMTS cell.
  • the processor is specifically configured to: if a signal quality value in the measurement result of the S-UMTS cell is greater than a first preset signal quality gate, according to the second possible implementation manner A limit value, the S-UMTS cell is selected as the serving cell of the UE.
  • the receiver is further configured to acquire the selected camping policy information, where the selecting station
  • the retention strategy information includes: selecting a threshold value and/or a second signal quality threshold;
  • the processor is specifically configured to generate a random number
  • the processor is further configured to: if the random number is greater than the selection threshold, select the S-UMTS cell as a serving cell of the UE;
  • the processor is specifically configured to: if the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the S-UMTS cell as the serving cell of the UE;
  • the processor is specifically configured to generate a random number
  • the processor is further configured to: if the random number is greater than the selection threshold, and the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the S- The UMTS cell is a serving cell of the UE.
  • the network side sends the S-UMTS cell information and/or the system information through the system information, in combination with the fifth aspect or the first possible implementation manner to the fourth possible implementation manner.
  • the selection resides in a policy.
  • a sixth aspect provides a device for selecting a scalable bandwidth cell, where the device includes: a processor and a transmitter;
  • the processor is configured to acquire pre-configured neighbor cell information.
  • the transmitter is configured to send neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes frequency range information of the S-UMTS cell, so that the UE selects a UMTS cell as a serving cell. And obtaining the frequency range information of the S-UMTS cell, performing measurement on the S-UMTS cell according to the frequency range information of the S-UMTS cell, and selecting an S-UMTS cell as the UE according to the measurement result. Service area.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or a scaling factor N and frequency point information, where the scaling factor N represents the S-UMTS
  • the bandwidth of the cell is one-Nth of the bandwidth of the UMTS of the universal mobile communication system.
  • the transmitter is further configured to send a selection residing policy to the UE, according to the first possible implementation manner, so that the UE is configured according to the neighboring cell information and Selecting a camping policy, performing measurement on the S-UMTS cell in the neighbor cell information, and determining a serving cell of the UE according to the selected camping policy.
  • An embodiment of the present invention provides a method, a device, and a user equipment for selecting a scalable bandwidth cell, where the UE first selects a UMTS cell as a serving cell of the UE, and then acquires information about neighboring cells sent by the network side.
  • the S-UMTS cell information is used to measure the S-UMTS cell to obtain a measurement result. Then, according to the obtained measurement result, the S-UMTS cell is selected as the serving cell of the user equipment.
  • the UE selects the UMTS cell as the serving cell of the UE, the UE can obtain the S-UMTS cell information by using the neighbor cell information of the UMTS cell, and does not need to measure the bandwidth of the S-UMTS cell, so that the UE can quickly measure and select.
  • the S-UMTS cell is a serving cell of the UE.
  • FIG. 1 is a schematic flowchart of a method for selecting a scalable bandwidth cell according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of another method for selecting a scalable bandwidth cell according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of another method for selecting a scalable bandwidth cell according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of a device for selecting a scalable bandwidth cell according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of another user equipment according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of another apparatus for selecting a scalable bandwidth cell according to an embodiment of the present invention.
  • An embodiment of the present invention provides a method for selecting a scalable bandwidth cell.
  • the method is performed by a user equipment. As shown in FIG. 1, the method includes:
  • the user equipment selects a universal mobile communication system.
  • the UMTS cell is a serving cell of the user equipment.
  • the UE When the UE is connected to the network by the non-access network, for example, when the UE is from the power-on state to the access network, the UE searches for any current frequency point with 5M bandwidth. And determining, by the UMTS cell, the signal quality value of the UMTS cell, and when the signal quality value of the searched UMTS cell meets a preset signal quality threshold, the UE selects the UMTS cell as The serving cell of the UE.
  • the UE acquires scalable bandwidth S-UMTS cell information in the neighbor cell information that is sent by the network, where the S-UMTS cell information includes frequency range information of the S-UMTS cell.
  • the UE After the UE selects the UMTS cell as the serving cell of the UE, the UE can obtain the neighbor cell information of the current serving cell of the UE by using the system information delivered by the network side.
  • the neighbor cell information includes at least one of UMTS cell information and S-UMTS cell information.
  • the S-UMTS area information may be sent in system information such as a system information block (SIB), or a SIB lbis, or SIB 12.
  • SIB system information block
  • SIB lbis SIB 12.
  • the neighboring cell information sent by the network side includes the S-UMTS cell information.
  • the network side may allocate a separate cell to the S-UMTS cell in the measurement control system message in the system information block to deliver the S-UMTS cell information, or may be a measurement control system in the system information block.
  • the cell allocated for the UMTS cell in the message is used to deliver the S-UMTS cell information.
  • the frequency range information of the S-UMTS cell may be a frequency range; and may also be frequency point information and a scaling factor N.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency point.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, and the N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the frequency point information and the scaling factor N can be used to obtain a certain frequency point S-UMTS cell Frequency Range.
  • the bandwidth of the S-UMTS cell may be determined according to the scaling factor N, and then according to the center frequency point and the bandwidth.
  • the frequency range of the S-UMTS cell can be obtained.
  • the bandwidth of the S-UMTS cell is 2.5 MHz; when the S-UMTS cell is sent by the network side
  • the frequency range of the S-UMTS cell can be determined to be 1998.75 MHz to 2001.25 MHz.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • the information is such that the UE can obtain the frequency range of the S-UMTS cell by using frequency point information, and then measure the S-UMTS cell according to the frequency range of the S-UMTS cell.
  • the UE performs measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell included in the neighbor cell information, and obtains a measurement result of the S-UMTS cell.
  • the UE After the UE receives the S-UMTS cell information in the system information, or receives an indication of selecting the S-UMTS cell in the system information, the UE according to the S-UMTS cell obtained from the neighbor cell information a frequency range, the S-UMTS cell in the neighboring cell is measured, and the measurement result of the S-UMTS cell is obtained.
  • the UE measures the signal quality of the S-UMTS cell in the neighboring cell according to the frequency range information of the S-UMTS cell, and obtains a signal quality value of the S-UMTS cell.
  • the signal quality value may specifically be: pilot reference signal received power RSRP (Reference Signal Receiving Power), path loss value, pilot signal to noise ratio Ec/N0, etc.
  • RSRP Reference Signal Receiving Power
  • path loss value pilot signal to noise ratio Ec/N0, etc.
  • the UE selects, according to the measurement result of the S-UMTS cell, an S-UMTS cell as a serving cell of the UE.
  • the UE may select the S-UMTS cell as the serving cell, and may not consider whether the signal quality of the S-UMTS cell is higher than the signal quality of the current serving cell of the UE.
  • the UE selects whether the measurement result of the S-UMTS cell meets the first condition, where the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, for example, the threshold value is -95 dBm.
  • the S-UMTS cell is not a cell that is prohibited from accessing. If yes, the UE selects the S-UMTS cell as the serving cell of the UE.
  • the UE determines a signal quality value in the measurement result of the S-UMTS cell that satisfies the first condition. Whether it is greater than the first preset signal quality threshold. If there is an S-UMTS cell whose signal quality value is greater than the first preset signal quality threshold, the UE selects any S-UMTS cell that is greater than the first preset signal quality threshold as described above. The serving cell of the UE.
  • the first preset signal quality threshold is greater than a preset threshold in the first condition.
  • the preset threshold value in the first condition may be made smaller; or the preset gate in the first condition may not be set.
  • the limit value is such that the UE can select the S-UMTS cell as the serving cell of the UE as long as the S-UMTS cell is detected.
  • the embodiment of the present invention provides a method for selecting a scalable bandwidth cell.
  • the execution body of the method is a network side, for example, a Radio Network Controller (RNC).
  • RNC Radio Network Controller
  • the network side sends the neighboring cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes the frequency range information of the S-UMTS cell, so that the UE selects the UMTS cell as the serving cell, and can Obtaining frequency range information of the S-UMTS cell, according to the frequency range information of the S-UMTS cell
  • the S-UMTS cell performs measurement, and selects an S-UMTS cell as the serving cell of the UE according to the measurement result.
  • the network side sends neighbor cell information to UEs within its coverage by using system information.
  • the neighboring cell information includes S-UMTS cell information
  • the S-UMTS cell information includes the S-UMTS cell information including the The frequency range information of the S-UMTS cell.
  • the UE acquires frequency range information of the S-UMTS cell in the neighbor cell information.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or frequency point information, and a scaling factor N, where the scaling factor N indicates that the bandwidth of the S-UMTS cell is N of the bandwidth of the UMTS cell of the universal mobile communication system. one.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency point.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, and the N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • Information such that the UE can measure the S-UMTS cell by using frequency point information.
  • the UE After acquiring the frequency range information of the S-UMTS cell in the neighbor cell information, the UE measures the S-UMTS cell according to the frequency range information of the S-UMTS cell, obtains a measurement result, and according to the measurement result The S-UMTS cell in the neighbor cell information is selected as the serving cell of the UE.
  • the network side may further send the selected camping policy information to the UE, where the selecting the camping policy information includes: selecting a threshold value and/or a second signal quality threshold. So that the UE selects according to the selected camping policy information and the measurement result.
  • the S-UMTS cell in the neighbor cell information is selected as the serving cell of the UE.
  • the technical solution for obtaining the measurement result by the UE in the S-UMTS cell by measuring the downlink signal is described above.
  • the following describes the problem of the UE side detecting the UE uplink signal of the S-UMTS cell.
  • the uplink and downlink frequency intervals of the UMTS cell are fixed. Therefore, the uplink and downlink frequency interval information of the S-UMTS cell is not determined. Therefore, the network side needs to configure the uplink and downlink frequency interval information, or the UE uplink transmission frequency band information, so that when the uplink and downlink frequency intervals of the S-UMTS cell are different, the network side can learn the uplink and downlink of the S-UMTS cell. Frequency Range.
  • the uplink and downlink frequency interval information or the UE uplink transmission frequency band information may be included in a cell establishment request, a cell reconfiguration request, a public measurement start request, and a dedicated measurement start request message.
  • the present invention is equally applicable to Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), and Code Division Multiple Access (2000).
  • GSM Global System for Mobile Communications
  • GPRS General Packet Radio Service
  • Code Division Multiple Access (2000).
  • Time Division Synchronous Code Division Multiple Access TD-SCDMA
  • LTE Long Term Evolution
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • WiMAX Worldwide Interoperability for Microwave Access
  • An embodiment of the present invention provides a method for selecting a scalable bandwidth cell, where the UE first selects a UMTS cell as a serving cell of the UE; and then acquires an S-UMTS cell in the neighbor cell information that is sent by the network side. The information is measured by the S-UMTS cell to obtain a measurement result. Then, according to the obtained measurement result, the S-UMTS cell is selected as the serving cell of the user equipment. After the UE selects the UMTS cell as the serving cell of the UE, it can pass the neighbor cell information of the UMTS cell. The S-UMTS cell information is obtained, and the bandwidth of the S-UMTS cell does not need to be measured, so that the UE can quickly measure and select the S-UMTS cell as the serving cell of the UE.
  • the embodiment of the invention provides a method for selecting a scalable bandwidth cell, as shown in FIG.
  • the user equipment selects a universal mobile communication system.
  • the UMTS cell is a serving cell of the user equipment.
  • the UE When the UE is connected to the network by the non-access network, for example, when the UE is from the power-on state to the access network, the UE searches for the UMTS cell at any current frequency point with 5M bandwidth, and searches for The UMTS cell performs measurement to obtain a signal quality value of the UMTS cell. When the signal quality value of the searched UMTS cell meets a preset signal quality threshold, the UE selects the UMTS cell as the serving cell of the UE.
  • the network side sends the neighbor cell information to the UE and selects the resident policy information. After the UE selects the UMTS cell as its own serving cell, the UE can obtain the neighbor cell information of the UMTS cell by using the system information delivered by the network side.
  • the neighbor cell information includes at least one of UMTS cell information and S-UMTS cell information.
  • the S-UMTS area information may be sent in system information such as a system information block (SIB), or a SIB lbis, or SIB 12.
  • SIB system information block
  • SIB lbis SIB 12.
  • the network side may allocate a separate cell to the S-UMTS cell in the measurement control system message in the system information block to deliver the S-UMTS cell information, or may be a measurement control system in the system information block.
  • the cell allocated for the UMTS cell in the message is used to deliver the S-UMTS cell information.
  • the frequency range information of the S-UMTS cell may be a frequency range; and may also be frequency point information and a scaling factor N.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency point.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, The N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the starting frequency point refers to frequency point information capable of obtaining a starting frequency value of a frequency range of the S-UMTS cell.
  • the starting frequency value of the S-UMTS cell or when the ending frequency value or the center frequency value of the S-UMTS cell has been obtained, the starting frequency point may also be relative to the ending frequency value or the center frequency The offset value of the value.
  • the starting frequency point may also be other information that can obtain the starting frequency value of the frequency range of the S-UMTS cell, which is not specifically limited in this embodiment of the present invention.
  • the end frequency point refers to frequency point information capable of obtaining an end frequency value of a frequency range of the S-UMTS cell.
  • the end point frequency may be other information that can obtain the end frequency value of the frequency range of the S-UMTS cell, which is not specifically limited in this embodiment of the present invention.
  • the center frequency point refers to frequency point information capable of obtaining a center frequency value of a frequency range of the S-UMTS cell.
  • the center frequency value of the S-UMTS cell For example, the center frequency value of the S-UMTS cell.
  • the frequency information of the center frequency value of the frequency range of the S-UMTS cell can be obtained, and the implementation of the present invention is not described herein again.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the frequency range of the S-UMTS cell at a certain frequency point can be obtained by the frequency point information and the scaling factor N.
  • the bandwidth of the S-UMTS cell may be determined according to the scaling factor N, and then according to the center frequency point and the bandwidth.
  • the frequency range of the S-UMTS cell can be obtained.
  • the bandwidth of the S-UMTS cell is 2.5 MHz; when the S-UMTS cell is sent by the network side
  • the center frequency is 2000MHz, it can be determined that The frequency range of the S-UMTS cell is from 1998.75 MHz to 2001.25 MHz.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • the information is such that the UE can obtain the frequency range of the S-UMTS cell by using frequency point information, and then measure the S-UMTS cell according to the frequency range of the S-UMTS cell.
  • the selecting the camping policy information includes: selecting a threshold value and/or a second signal quality threshold.
  • the UE receives the neighbor cell information that is sent by the network side and selects the camping policy information.
  • the UE After the network side sends the neighbor cell information to the UE and selects the camping policy information, the UE receives the neighbor cell information and the selected camping policy information sent by the network side.
  • the UE performs measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell included in the neighbor cell information, and obtains the measurement result of the S-UMTS cell.
  • the UE After the UE receives the S-UMTS cell information in the system information, or receives an indication of selecting the S-UMTS cell in the system information, the UE according to the S-UMTS cell obtained from the neighbor cell information a frequency range, the S-UMTS cell in the neighboring cell is measured, and the measurement result of the S-UMTS cell is obtained.
  • the UE measures the signal quality of the S-UMTS cell in the neighboring cell according to the frequency range information of the S-UMTS cell, and obtains a signal quality value of the S-UMTS cell.
  • the signal quality value may specifically be: a reference signal receiving power RSRP (Reference Signal Receiving Power), a path loss value, a pilot signal to noise ratio Ec/N0 Wait.
  • RSRP Reference Signal Receiving Power
  • path loss value a pilot signal to noise ratio Ec/N0 Wait.
  • the UE selects an S-UMTS cell as the serving cell of the UE according to the measurement result of the S-UMTS cell and the selection of the camping policy information.
  • the UE may select the S-UMTS cell as the serving cell, and may not consider whether the signal quality of the S-UMTS cell is higher than the signal quality of the current serving cell of the UE.
  • the UE determines whether the measurement result of the S-UMTS cell meets the first condition, where the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, for example, the threshold value is -95 dBm.
  • the S-UMTS cell is not at least one of the cells that are prohibited from accessing. If yes, the UE selects the S-UMTS cell as the serving cell of the UE.
  • the UE determines whether the signal quality value in the measurement result is greater than a first preset signal quality threshold; and the signal quality in the measurement result of the S-UMTS cell After the value is greater than the first preset signal quality threshold, the UE generates a random number, and determines whether the random number is greater than a selection threshold. And if the random number is greater than the selection threshold, the UE selects the S-UMTS cell as a serving cell of the UE.
  • the UE determines the signal quality in the measurement result. Whether the value is greater than the second preset signal quality threshold. And if the signal quality value of the S-UMTS cell is greater than the second preset signal quality threshold, the UE selects the S-UMTS cell as a serving cell of the UE.
  • the second signal quality threshold is greater than the first signal quality threshold.
  • the user equipment randomly generates a random number. If the random number randomly generated by the user equipment is greater than the selection threshold, and the signal quality value in the measurement result is greater than a preset second signal quality threshold, the user equipment selects the S-UMTS cell as The serving cell of the user equipment.
  • the UE obtains the measurement knot by measuring the downlink signal in the S-UMTS cell.
  • the problem of detecting the uplink signal of the UE of the S-UMTS cell by the network side is specifically described below.
  • the uplink and downlink frequency intervals of the UMTS cell are fixed. Therefore, the uplink and downlink frequency interval information of the S-UMTS cell is not determined. Therefore, the network side needs to configure the uplink and downlink frequency interval information, or the UE uplink transmission frequency band information, so that when the uplink and downlink frequency intervals of the S-UMTS cell are different, the network side can learn the uplink and downlink of the S-UMTS cell. Frequency Range.
  • the uplink and downlink frequency interval information or the UE uplink transmission frequency band information may be included in a cell establishment request, a cell reconfiguration request, a public measurement start request, and a dedicated measurement start request message.
  • the present invention is equally applicable to wireless networks such as GSM, GPRS, CDMA2000, TD-SCDMA, LTE, WLAN, WiFi, and WiMAX.
  • wireless networks such as GSM, GPRS, CDMA2000, TD-SCDMA, LTE, WLAN, WiFi, and WiMAX.
  • these wireless systems are distributed with scenes of micro cell base stations.
  • An embodiment of the present invention provides a method for selecting a scalable bandwidth cell, where the UE first selects a UMTS cell as a serving cell of the UE; and then acquires S-UMTS cell information in neighbor cell information delivered by the network side. And selecting the camping policy information, performing measurement on the S-UMTS cell, and obtaining a measurement result; then, selecting, according to the obtained measurement result and the selected camping policy information, the S-UMTS cell as the serving cell of the user equipment .
  • the S-UMTS cell information and the selected camping policy information are obtained by using the neighbor cell information of the UMTS cell, so that the UE can obtain the S-UMTS cell information, And performing measurement on the S-UMTS cell according to the obtained S-UMTS cell information, performing cell selection according to the measurement result and the selected camping policy information, and further, selecting an S-UMTS cell with better signal quality. Is the serving cell of the UE.
  • the user equipment 40 includes: a first selecting unit 41, an obtaining unit 42, a measuring unit 43, and a second selecting unit 44.
  • the first selecting unit 41 is configured to select a mobile communication system UMTS cell as a serving cell of the UE.
  • the first selection unit 41 searches for the UMTS cell at any current frequency point with the 5M bandwidth. And performing measurement on the searched UMTS cell to obtain a signal quality value of the UMTS cell. When the signal quality value of the searched UMTS cell meets a preset signal quality threshold, the first selecting unit 41 selects the UMTS cell. Is the serving cell of the UE.
  • the acquiring unit 42 is configured to obtain the scalable bandwidth S-UMTS cell information in the neighbor cell information that is sent by the network, where the S-UMTS cell information includes the frequency range information of the S-UMTS cell.
  • the acquiring unit 42 can obtain the neighbor cell information of the UMTS cell by using the system information delivered by the network side.
  • the neighbor cell information includes at least one of UMTS cell information and S-UMTS cell information.
  • the S-UMTS area information may be sent in system information such as a system information block (SIB), or a SIB lbis, or SIB 12.
  • SIB system information block
  • SIB lbis SIB 12.
  • the network side may allocate a separate cell to the S-UMTS cell in the measurement control system message in the system information block to deliver the S-UMTS cell information, or may be a measurement control system in the system information block.
  • the cell allocated for the UMTS cell in the message is used to deliver the S-UMTS cell information.
  • the frequency range information of the S-UMTS cell may be a frequency range; and may also be frequency point information and a scaling factor N.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency point.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, and the N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the starting frequency point refers to frequency point information capable of obtaining a starting frequency value of a frequency range of the S-UMTS cell.
  • the starting frequency value of the S-UMTS cell or When the end frequency value or the center frequency value of the S-UMTS cell has been obtained, the starting frequency point may also be an offset value with respect to the end frequency value or the center frequency value.
  • the starting frequency point may also be other information that can obtain the starting frequency value of the frequency range of the S-UMTS cell, which is not specifically limited in this embodiment of the present invention.
  • the end frequency point refers to frequency point information capable of obtaining an end frequency value of a frequency range of the S-UMTS cell.
  • the end point frequency may be other information that can obtain the end frequency value of the frequency range of the S-UMTS cell, which is not specifically limited in this embodiment of the present invention.
  • the center frequency point refers to frequency point information capable of obtaining a center frequency value of a frequency range of the S-UMTS cell.
  • the center frequency value of the S-UMTS cell For example, the center frequency value of the S-UMTS cell.
  • the frequency information of the center frequency value of the frequency range of the S-UMTS cell can be obtained, and the implementation of the present invention is not described herein again.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the frequency range of the S-UMTS cell at a certain frequency point can be obtained by the frequency point information and the scaling factor N.
  • the bandwidth of the S-UMTS cell may be determined according to the scaling factor N, and then according to the center frequency point and the bandwidth.
  • the frequency range of the S-UMTS cell can be obtained.
  • the bandwidth of the S-UMTS cell is 2.5 MHz; when the S-UMTS cell is sent by the network side
  • the frequency range of the S-UMTS cell can be determined to be 1998.75 MHz to 2001.25 MHz.
  • the obtaining unit 42 obtains the frequency of the S-UMTS cell according to the scaling factor N, the starting frequency point, the ending frequency point, and any two of the central frequency points.
  • the scope of the method is a technical solution that is known to those skilled in the art, and details are not described herein again.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • the information is such that the obtaining unit 42 can obtain the frequency range of the S-UMTS cell by using frequency point information, and then measure the S-UMTS cell according to the frequency range of the S-UMTS cell.
  • the measuring unit 43 is configured to perform measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell included in the neighbor cell information acquired by the acquiring unit 42 to obtain the S - Measurement results of the UMTS cell.
  • the measuring unit 43 is configured according to the acquiring unit 42 from the neighboring cell.
  • the frequency range of the S-UMTS cell obtained in the information is measured by the S-UMTS cell in the neighboring cell, and the measurement result of the S-UMTS cell is obtained.
  • the measuring unit 43 measures the signal quality of the S-UMTS cell in the neighboring cell according to the frequency range information of the S-UMTS cell, and obtains the signal quality value of the S-UMTS cell.
  • the signal quality value may specifically be: a pilot reference signal received power RSRP (Reference Signal Receiving Power), a path loss value, a pilot signal to noise ratio Ec/N0, and the like.
  • RSRP Reference Signal Receiving Power
  • the second selecting unit 44 is configured to select, according to the measurement result of the S-UMTS cell, an S-UMTS cell as the serving cell of the UE.
  • the second selecting unit 44 selects the S-UMTS cell as the serving cell, and may consider whether the signal quality of the S-UMTS cell is higher than the current serving cell of the UE. quality.
  • the second selecting unit 44 selects whether the measurement result of the S-UMTS cell meets the first condition, where the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, such as a threshold. The value is -95dBm, the S-UMTS cell is not banned At least one of the cells that are connected. If yes, the second selecting unit 44 selects the S-UMTS cell as the serving cell of the UE.
  • the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, such as a threshold.
  • the value is -95dBm
  • the S-UMTS cell is not banned At least one of the cells that are connected. If yes, the second selecting unit 44 selects the S-UMTS cell as the serving cell of the UE.
  • the second selecting unit 44 determines, in the measurement result of the S-UMTS cell that satisfies the first condition. Whether the signal quality value is greater than the first preset signal quality threshold. If there is an S-UMTS cell whose signal quality value is greater than the first preset signal quality threshold, the second selecting unit 44 selects any S-UMTS that is greater than the first preset signal quality threshold.
  • the cell is a serving cell of the UE.
  • the first preset signal quality threshold is greater than a preset threshold in the first condition.
  • the preset threshold value in the first condition may be made smaller; or the preset gate in the first condition may not be set.
  • the limit value is such that the second selection unit 44 can select the S-UMTS cell as the serving cell of the UE as long as the S-UMTS cell is detected.
  • the obtaining unit 42 is further configured to acquire the selected camping policy information.
  • the selecting the camping policy information includes: selecting a threshold value and/or a second signal quality threshold.
  • the second selection unit 44 selects the S-UMTS cell as the serving cell, and may consider whether the signal quality of the S-UMTS cell is higher than the current serving cell of the UE. Signal quality.
  • the second selecting unit 44 determines whether the measurement result of the S-UMTS cell meets the first condition, where the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, such as a threshold. The value is -95 dBm, and the S-UMTS cell is not at least one of the cells that are prohibited from accessing. If yes, the second selecting unit 44 selects the S-UMTS cell as the serving cell of the UE.
  • the second selecting unit 44 determines whether the signal quality value in the measurement result is greater than a first preset signal quality threshold; and the measurement result in the S-UMTS cell After the signal quality value is greater than the first preset signal quality threshold, the second selection unit 44 generates a random number to determine whether the random number is greater than a selection threshold. If the random number is greater than the selection threshold, The second selection unit 44 selects the S-UMTS cell as a serving cell of the UE. Therefore, the second selecting unit 44 is specifically configured to generate a random number.
  • the second selecting unit 44 is further configured to: if the random number is greater than the selection threshold, select the S-UMTS cell as the serving cell of the UE.
  • the second selecting unit 44 determines the Whether the signal quality value in the measurement result is greater than the second preset signal quality threshold. And if the signal quality value of the S-UMTS cell is greater than the second preset signal quality threshold, the second selecting unit 44 selects the S-UMTS cell as the serving cell of the UE.
  • the second signal quality threshold is greater than the first signal quality threshold.
  • the second selecting unit 44 is specifically configured to: if the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the S-UMTS cell as the serving cell of the UE .
  • the user equipment randomly generates one random number. If the random number randomly generated by the second selection unit 44 is greater than the selection threshold, and the signal quality value in the measurement result is greater than a preset second signal quality threshold, the second selection unit 44: The S-UMTS cell is selected as a serving cell of the user equipment.
  • the second selecting unit 44 is specifically configured to generate a random number.
  • the second selecting unit 44 is further configured to: if the random number is greater than the selection threshold, and the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select The S-UMTS cell is a serving cell of the UE.
  • An embodiment of the present invention provides a user equipment, where the first selection unit selects a UMTS cell as a serving cell of the UE; and then the acquiring unit acquires an S-UMTS cell in the neighbor cell information that is sent by the network side. Information and selecting the resident policy information, the measuring unit performs measurement on the S-UMTS cell to obtain a measurement result; then, the second selecting unit is based on the obtained measurement result and the selected resident policy Information, the S-UMTS cell is selected as the serving cell of the user equipment.
  • the acquiring unit obtains the S-UMTS cell information and the selected camping policy information by using the neighbor cell information of the UMTS cell, so that the measuring unit Obtaining S-UMTS cell information, and performing measurement on the S-UMTS cell according to the obtained S-UMTS cell information, where the second selecting unit performs cell selection according to the measurement result and the selected camping policy information, and further It is easier to select a S-UMTS cell with better signal quality as the serving cell of the UE.
  • the embodiment of the present invention provides a device for selecting a scalable bandwidth cell.
  • the device 50 includes a processing unit 51 and a sending unit 52.
  • the processing unit 51 is configured to obtain pre-configured neighbor cell information.
  • the sending unit 52 is configured to send neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes frequency range information of the S-UMTS cell, so that the UE selects a UMTS cell as a service.
  • the frequency range information of the S-UMTS cell can be obtained, the S-UMTS cell is measured according to the frequency range information of the S-UMTS cell, and the S-UMTS cell is selected as the UE according to the measurement result. Service area.
  • the transmitting unit 52 transmits neighbor cell information to UEs within its coverage by using system information.
  • the neighboring cell information includes S-UMTS cell information
  • the S-UMTS cell information includes the S-UMTS cell information including the The frequency range information of the S-UMTS cell.
  • the UE acquires frequency range information of the S-UMTS cell in the neighbor cell information.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or frequency point information, and a scaling factor N, where the scaling factor N indicates that the bandwidth of the S-UMTS cell is N of the bandwidth of the UMTS cell of the universal mobile communication system. one.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency point.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, and the N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • Information such that the UE can measure the S-UMTS cell by using frequency point information.
  • the UE After acquiring the frequency range information of the S-UMTS cell in the neighbor cell information, the UE measures the S-UMTS cell according to the frequency range information of the S-UMTS cell, obtains a measurement result, and according to the measurement result The S-UMTS cell in the neighbor cell information is selected as the serving cell of the UE.
  • the sending unit 52 may further send the selected camping policy information to the UE, where the selecting the camping policy information comprises: selecting a threshold value and/or a second signal quality threshold. So that the UE selects the S-UMTS cell in the neighbor cell information as the service cell of the UE according to the selected camping policy information and the measurement result.
  • the technical solution for obtaining the measurement result by the UE in the S-UMTS cell by measuring the downlink signal is described above.
  • the following describes the problem of the UE side detecting the UE uplink signal of the S-UMTS cell.
  • the uplink and downlink frequency intervals of the UMTS cell are fixed, so the processing unit 51 does not need to configure uplink and downlink frequency interval information, but in the S-UMTS cell, the uplink and downlink frequency intervals of the S-UMTS cell have not yet been determined. Therefore, the processing unit 51 needs to configure the uplink and downlink frequency interval information, or the UE uplink transmit frequency band information, so that when the uplink and downlink frequency intervals of the S-UMTS cell are different, the processing unit 51 can learn the S-UMTS.
  • the uplink and downlink frequency range of the cell are fixed, so the processing unit 51 does not need to configure uplink and downlink frequency interval information, but in the S-UMTS cell, the uplink and downlink frequency intervals of the S-UMTS cell have not yet been determined. Therefore, the processing unit 51 needs to configure the uplink and downlink frequency interval information, or the UE uplink transmit frequency band information, so that when the uplink and downlink frequency intervals of the S-UMTS cell are different, the processing unit 51
  • the uplink and downlink frequency interval information or the UE uplink transmit frequency band information may be included in a cell establishment request, a cell reconfiguration request, a public measurement start request, and a specific Use the measurement to start the request message.
  • the present invention is equally applicable to wireless networks such as GSM, GPRS, CDMA2000, TD-SCDMA, LTE, WLAN, WiFi, and WiMAX.
  • wireless networks such as GSM, GPRS, CDMA2000, TD-SCDMA, LTE, WLAN, WiFi, and WiMAX.
  • these wireless systems are distributed with scenes of micro cell base stations.
  • An embodiment of the present invention provides a device for selecting a scalable bandwidth cell, where the sending unit sends neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes a frequency range of the S-UMTS cell. information.
  • the UE selects the UMTS cell as the serving cell of the UE, the UE can obtain the S-UMTS cell information by using the neighbor cell information of the UMTS cell, and does not need to measure the bandwidth of the S-UMTS cell, so that the UE can quickly measure and select.
  • the S-UMTS cell is a serving cell of the UE.
  • An embodiment of the present invention provides a user equipment.
  • the user equipment 60 includes: a processor 61 and a receiver 62.
  • the processor 61 is configured to select a mobile communication system UMTS cell as a serving cell of the UE.
  • the processor 61 searches for the UMTS cell at any current frequency point with the 5M bandwidth, and The searched UMTS cell performs measurement to obtain a signal quality value of the UMTS cell.
  • the processor 61 selects the UMTS cell as the UE. Service area.
  • the receiver 62 is configured to obtain the scalable bandwidth S-UMTS cell information in the neighbor cell information that is sent by the network, where the S-UMTS cell information includes the frequency range information of the S-UMTS cell.
  • the acquiring unit 42 can obtain the neighbor cell information of the UMTS cell by using the system information delivered by the network side.
  • the neighbor cell information includes at least one of UMTS cell information and S-UMTS cell information.
  • the S-UMTS cell information may be sent in system information such as a system information block (SIB), or an SIB lbis, or an SIB 12.
  • the network side may allocate a separate cell to the S-UMTS cell in the measurement control system message in the system information block to deliver the S-UMTS cell information, or may be a measurement control system in the system information block.
  • the cell allocated for the UMTS cell in the message is used to deliver the S-UMTS cell information.
  • the frequency range information of the S-UMTS cell may be a frequency range; and may also be frequency point information and a scaling factor N.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, and the N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the starting frequency point refers to frequency point information capable of obtaining a starting frequency value of a frequency range of the S-UMTS cell.
  • the starting frequency value of the S-UMTS cell; or when the ending frequency value or the center frequency value of the S-UMTS cell has been obtained the starting frequency point may also be relative to the ending frequency value or the center frequency The offset value of the value.
  • the starting frequency point may also be other information that can obtain the starting frequency value of the frequency range of the S-UMTS cell, which is not specifically limited in this embodiment of the present invention.
  • the end frequency point refers to frequency point information capable of obtaining an end frequency value of a frequency range of the S-UMTS cell.
  • the end point frequency may be other information that can obtain the end frequency value of the frequency range of the S-UMTS cell, which is not specifically limited in this embodiment of the present invention.
  • the center frequency point refers to frequency point information capable of obtaining a center frequency value of a frequency range of the S-UMTS cell.
  • the center frequency value of the S-UMTS cell For example, the center frequency value of the S-UMTS cell.
  • the frequency information of the center frequency value of the frequency range of the S-UMTS cell can be obtained, and the implementation of the present invention is not described herein again.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the frequency range of the S-UMTS cell at a certain frequency point can be obtained by the frequency point information and the scaling factor N.
  • the bandwidth of the S-UMTS cell may be determined according to the scaling factor N, and then according to the center frequency point and the bandwidth.
  • the frequency range of the S-UMTS cell can be obtained.
  • the bandwidth of the S-UMTS cell is 2.5 MHz; when the S-UMTS cell is sent by the network side
  • the frequency range of the S-UMTS cell can be determined to be 1998.75 MHz to 2001.25 MHz.
  • the method for obtaining, by the receiver 62, the frequency range of the S-UMTS cell according to any one of the scaling factor N, the starting frequency point, the ending frequency point, and the center frequency point is a technology in the field.
  • the technical solutions that are known to the person are not described herein again.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • the information is such that the receiver 62 can obtain the frequency range of the S-UMTS cell by using frequency point information, and then measure the S-UMTS cell according to the frequency range of the S-UMTS cell.
  • the processor 61 is further configured to perform measurement on the S-UMTS cell in the neighbor cell information according to the frequency range information of the S-UMTS cell included in the neighbor cell information, to obtain the S-UMTS cell. Measurement results.
  • the processor 61 After the processor 61 receives the S-UMTS cell information in the system information, or receives an indication of selecting the S-UMTS cell in the system information, the processor 61 is configured according to the processor 61 from the neighboring cell.
  • the frequency range of the S-UMTS cell obtained in the information is measured by the S-UMTS cell in the neighboring cell, and the measurement result of the S-UMTS cell is obtained.
  • the processor 61 measures the signal quality of the S-UMTS cell in the neighboring cell according to the frequency range information of the S-UMTS cell, and obtains a signal quality value of the S-UMTS cell.
  • the signal quality value may specifically be: a pilot reference signal received power RSRP (Reference Signal Receiving Power), a path loss value, a pilot signal to noise ratio Ec/N0, and the like.
  • RSRP Reference Signal Receiving Power
  • the processor 61 is further configured to select, according to the measurement result of the S-UMTS cell, an S-UMTS cell as a serving cell of the UE.
  • the processor 61 selects the S-UMTS cell as the serving cell, and may not consider whether the signal quality of the S-UMTS cell is higher than the signal quality of the current serving cell of the UE.
  • the processor 61 determines whether the measurement result of the S-UMTS cell meets the first condition, where the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, for example, the threshold is The -95 dBm, S-UMTS cell is not at least one of the cells that are prohibited from accessing. If yes, the processor 61 selects the S-UMTS cell as the serving cell of the UE.
  • the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, for example, the threshold is The -95 dBm, S-UMTS cell is not at least one of the cells that are prohibited from accessing. If yes, the processor 61 selects the S-UMTS cell as the serving cell of the UE.
  • the processor 61 determines the signal in the measurement result of the S-UMTS cell that satisfies the first condition. Whether the quality value is greater than the first preset signal quality threshold. If there is an S-UMTS cell whose signal quality value is greater than the first preset signal quality threshold, the processor 61 selects any S-UMTS cell that is greater than the first preset signal quality threshold. The serving cell of the UE. The first preset signal quality threshold is greater than a preset threshold in the first condition.
  • the preset threshold value in the first condition may be made smaller; or the preset gate in the first condition may not be set.
  • the limit value is such that the processor 61 can select the S-UMTS cell as the serving cell of the UE as long as the S-UMTS cell is detected.
  • the processor 61 is further configured to acquire the selected camping policy information.
  • the selecting the camping policy information includes: selecting a threshold value and/or a second signal quality gate Limit.
  • the processor 61 selects the S-UMTS cell as the serving cell, and may consider whether the signal quality of the S-UMTS cell is higher than the current serving cell of the UE. quality.
  • the processor 61 selects whether the measurement result of the S-UMTS cell meets the first condition, where the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, for example, the threshold is The -95 dBm, S-UMTS cell is not at least one of the cells that are prohibited from accessing. If yes, the processor 61 selects the S-UMTS cell as the serving cell of the UE.
  • the first condition is specifically: the S-UMTS cell RSRP is greater than a preset threshold, for example, the threshold is The -95 dBm, S-UMTS cell is not at least one of the cells that are prohibited from accessing. If yes, the processor 61 selects the S-UMTS cell as the serving cell of the UE.
  • the processor 61 determines whether the signal quality value in the measurement result is greater than a first preset signal quality threshold value; and in the measurement result of the S-UMTS cell After the signal quality value is greater than the first preset signal quality threshold, the processor 61 generates a random number to determine whether the random number is greater than a selection threshold. And if the random number is greater than the selection threshold, the processor 61 selects the S-UMTS cell as a serving cell of the UE.
  • the processor 61 is specifically configured to generate a random number.
  • the processor 61 is further configured to: if the random number is greater than the selection threshold, select the S-UMTS cell as a serving cell of the UE.
  • the processor 61 determines the measurement result. Whether the signal quality value in the greater than the second preset signal quality threshold. If the signal quality value of the S-UMTS cell is greater than the second preset signal quality threshold, the processor 61 selects the S-UMTS cell as the serving cell of the UE. The second signal quality threshold is greater than the first signal quality threshold.
  • the processor 61 is specifically configured to: if the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the S-UMTS cell as the serving cell of the UE.
  • the user equipment randomly generates a random number. If the random number randomly generated by the processor 61 is greater than the selection threshold, and the signal quality value in the measurement result is greater than a preset second signal quality threshold, the processor 61 selects the S The UMTS cell is the serving cell of the user equipment.
  • the processor 61 is specifically configured to generate a random number.
  • the processor 61 is further configured to: if the random number is greater than the selection threshold, and the signal quality value in the S-UMTS cell measurement result is greater than the second signal quality threshold, select the S The UMTS cell is the serving cell of the UE.
  • the bus may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture) bus.
  • the bus may be one or more physical lines, and when it is a plurality of physical lines, it may be divided into an address bus, a data bus, a control bus, and the like.
  • An embodiment of the present invention provides a user equipment, where the processor first selects a UMTS cell as a serving cell of the UE; and then, the receiver acquires S-UMTS cell information in the neighbor cell information sent by the network side.
  • the processor performs measurement on the S-UMTS cell according to the S-UMTS cell information received by the receiver, and obtains a measurement result; afterwards, the processor selects the S-UMTS cell according to the obtained measurement result.
  • the serving cell of the user equipment After the UE selects the UMTS cell as the serving cell of the UE, the UE can obtain the S-UMTS cell information by using the neighbor cell information of the UMTS cell, and does not need to measure the bandwidth of the S-UMTS cell, so that the UE can quickly measure and select.
  • the S-UMTS cell is a serving cell of the UE.
  • Embodiment 6 The embodiment of the present invention provides a device for selecting a scalable bandwidth cell. As shown in FIG. 7, the device 70 includes: a processor 71 and a transmitter 72.
  • the processor 71 is configured to obtain pre-configured neighbor cell information.
  • the transmitter 72 is configured to send neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes frequency range information of the S-UMTS cell, so that the UE selects a UMTS cell as a service.
  • the frequency range information of the S-UMTS cell can be obtained, the S-UMTS cell is measured according to the frequency range information of the S-UMTS cell, and the S-UMTS cell is selected as the UE according to the measurement result. Service area.
  • the transmitter 72 transmits neighbor cell information to UEs within its coverage by system information.
  • the neighboring cell information includes S-UMTS cell information
  • the S-UMTS cell information includes the S-UMTS cell information including the The frequency range information of the S-UMTS cell.
  • the UE acquires frequency range information of the S-UMTS cell in the neighbor cell information.
  • the frequency range information of the S-UMTS cell includes: a frequency range, or frequency point information, and a scaling factor N, where the scaling factor N indicates that the bandwidth of the S-UMTS cell is N of the bandwidth of the UMTS cell of the universal mobile communication system. one.
  • the frequency range refers to the frequency range in which the S-UMTS cell operates at a certain frequency point.
  • the frequency point information includes: a starting frequency point, a center frequency point, and an ending frequency point.
  • the scaling factor N indicates that the bandwidth of the S-UMTS cell is one-Nth of the bandwidth of the UMTS cell, and the N is any real number greater than 0, and the bandwidth of the UMTS cell is 5M or 4.2M.
  • the S-UMTS cell information may further include a cell scrambling code.
  • the cell scrambling code is used to distinguish different cells and channels, so that the UE can quickly acquire downlink pilot signals and complete the cell search process.
  • the network side does not need to send an N value, and the neighbor cell information may only carry the frequency of the S-UMTS cell.
  • Information such that the UE can measure the S-UMTS cell by using frequency point information.
  • the UE measures the S-UMTS cell according to the frequency range information of the S-UMTS cell, obtains a measurement result, and according to the measurement result
  • the S-UMTS cell in the neighbor cell information is selected as the serving cell of the UE.
  • the transmitter 72 may further send the selected camping policy information to the UE, where the selecting the camping policy information comprises: selecting a threshold value and/or a second signal quality threshold. So that the UE selects the S-UMTS cell in the neighbor cell information as the serving cell of the UE according to the selected camping policy information and the measurement result.
  • the technical solution for obtaining the measurement result by the UE in the S-UMTS cell by measuring the downlink signal is described above.
  • the following describes the problem of the UE side detecting the UE uplink signal of the S-UMTS cell.
  • the uplink and downlink frequency intervals of the UMTS cell are fixed, so the processor 71 does not need to configure the uplink and downlink frequency interval information, but in the S-UMTS cell, the uplink and downlink frequency intervals of the S-UMTS cell have not yet been determined. Therefore, the processor 71 needs to configure the uplink and downlink frequency interval information, or the UE uplink transmit frequency band information, so that when the uplink and downlink frequency intervals of the S-UMTS cell are different, the processor 71 can learn the S-UMTS.
  • the uplink and downlink frequency range of the cell are fixed, so the processor 71 does not need to configure the uplink and downlink frequency interval information, but in the S-UMTS cell, the uplink and downlink frequency intervals of the S-UMTS cell have not yet been determined. Therefore, the processor 71 needs to configure the uplink and downlink frequency interval information, or the UE uplink transmit frequency band information, so that when the uplink and downlink frequency intervals of the S-UMTS cell are different, the processor
  • the uplink and downlink frequency interval information or the UE uplink transmission frequency band information may be included in a cell establishment request, a cell reconfiguration request, a public measurement start request, and a dedicated measurement start request message.
  • the present invention is equally applicable to wireless networks such as GSM, GPRS, CDMA2000, TD-SCDMA, LTE, WLAN, WiFi, and WiMAX.
  • wireless networks such as GSM, GPRS, CDMA2000, TD-SCDMA, LTE, WLAN, WiFi, and WiMAX.
  • these wireless systems are distributed with scenes of micro cell base stations.
  • the processor 71 shown in FIG. 7 is directly connected to the transmitter 72.
  • the processor 71 and the transmitter 72 and other modules of the device 70 can also be connected through a bus.
  • the bus may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture) bus.
  • the bus can be a Strips or multiple physical lines can be divided into address bus, data bus, control bus, etc. when there are multiple physical lines.
  • An embodiment of the present invention provides a device for selecting a scalable bandwidth cell, where the transmitter sends neighbor cell information to the UE, where the S-UMTS cell information in the neighbor cell information includes frequency range information of the S-UMTS cell. .
  • the UE selects the UMTS cell as the serving cell of the UE, the UE can obtain the S-UMTS cell information through the neighbor cell information of the UMTS cell, and does not need to measure the bandwidth of the S-UMTS cell, so that the UE can quickly measure and select.
  • the S-UMTS cell is a serving cell of the UE.

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

Abstract

L'invention porte sur un procédé et un dispositif de sélection de cellule à largeur de bande extensible, et sur un équipement utilisateur (UE), qui permettent à l'UE d'acquérir une plage de fréquences d'une cellule S-UMTS sans effectuer une mesure de nombreuses fois, et permettre en outre à l'UE de mesurer et de sélectionner rapidement la cellule S-UMTS en tant que cellule de desserte de l'UE. Le procédé comprend les opérations suivantes : un équipement utilisateur (UE) sélectionne une cellule du système universel de télécommunication avec les mobiles (UMTS) en tant que cellule de desserte de l'UE (101) ; l'UE acquiert des informations concernant une cellule S-UMTS à largeur de bande extensible dans des informations de cellule voisine délivrées par un côté réseau, les informations concernant la cellule S-UMTS comprenant des informations de plage de fréquences concernant la cellule S-UMTS (102) ; conformément aux informations de plage de fréquences concernant la cellule S-UMTS incluses dans les informations de cellule voisine, l'UE mesure la cellule S-UMTS dans les informations de cellule voisine afin d'obtenir un résultat de mesure de la cellule S-UMTS (103) ; et conformément au résultat de mesure de la cellule S-UMTS, l'UE sélectionne la cellule S-UMTS en tant que cellule de desserte de l'UE (104). La présente invention est applicable au domaine des communications.
PCT/CN2012/085958 2012-12-05 2012-12-05 Procédé et dispositif de sélection de cellule à largeur de bande extensible, et équipement utilisateur WO2014086006A1 (fr)

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CN201280002036.2A CN104025653B (zh) 2012-12-05 2012-12-05 可缩放带宽小区的选择方法、装置和用户设备

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CN102106173A (zh) * 2008-03-24 2011-06-22 交互数字专利控股公司 用于封闭订户组小区的小区选择和重选
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WO2012021098A1 (fr) * 2010-08-13 2012-02-16 Telefonaktiebolaget L M Ericsson (Publ) Fonctionnement double d'un équipement d'utilisateur dans un spectre avec licence et sans licence
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CN109391994B (zh) * 2017-08-11 2021-08-13 华为技术有限公司 通信方法和通信设备

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