WO2012119426A1 - Procédé, dispositif et appareil pour obtenir un résultat de discrimination de fréquence d'une commande automatique de fréquence - Google Patents

Procédé, dispositif et appareil pour obtenir un résultat de discrimination de fréquence d'une commande automatique de fréquence Download PDF

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Publication number
WO2012119426A1
WO2012119426A1 PCT/CN2011/079094 CN2011079094W WO2012119426A1 WO 2012119426 A1 WO2012119426 A1 WO 2012119426A1 CN 2011079094 W CN2011079094 W CN 2011079094W WO 2012119426 A1 WO2012119426 A1 WO 2012119426A1
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Prior art keywords
frequency
result
user equipment
discriminating
frequency control
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PCT/CN2011/079094
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English (en)
Chinese (zh)
Inventor
王军
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华为技术有限公司
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Priority to PCT/CN2011/079094 priority Critical patent/WO2012119426A1/fr
Priority to CN2011800015285A priority patent/CN102369763B/zh
Publication of WO2012119426A1 publication Critical patent/WO2012119426A1/fr

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, device, and device for acquiring frequency discrimination results of automatic frequency control. Background technique
  • High Speed Packet Access (HSPA) system is an upgrade of Wideband Code Division Multiple Access (WCDMA) system, compared to a dedicated physical channel in a WCDMA system (Dedicate Physical Channel; The following is abbreviated as DPCH.
  • WCDMA Wideband Code Division Multiple Access
  • DPCH Dedicate Physical Channel
  • the main purpose is to increase the High Speed-Physical Downlink Shared Channel (HS-PDSCH) to support high-speed services.
  • the HSPA system has two dedicated channels, one DPCH, and one is the HS-PDSCH.
  • the DPCH supports the soft handover technology.
  • the user equipment (User Equipment; hereinafter referred to as the UE) and the multiple cells on the network side maintain communication at the same time, and the communication content with each cell is the same.
  • the UE typically performs a combining process on the received data of the plurality of cells to obtain a gain.
  • the following frequency discrimination mode is adopted to support the above soft handover: the automatic frequency control (Auto Frequency Control; hereinafter referred to as AFC) device on the UE side combines the frequency discrimination results obtained by the frequency discrimination module as the frequency discrimination result of the AFC device.
  • the frequency discrimination modules in the AFC device respectively correspond to cells in which the UE can receive data. Each frequency discrimination module corresponds to a cell of one UE.
  • the frequency discriminating module corresponding to each cell in the AFC device is specifically configured to obtain a frequency offset of a frequency of the data received by the UE relative to a frequency of the data sent by the cell, where the frequency offset includes a local oscillator frequency of the UE and a base station where the cell is located. Poor and Doppler shift.
  • the Doppler frequency offset is generated by the relative motion of the UE and the antenna of the cell. At this time, there is a deviation between the frequency at which the UE receives data and the frequency at which the cell transmits data. And the faster the relative motion speed of the UE, the larger the Doppler frequency offset.
  • the relative speed is positive (such as when the UE is close to the cell), and the Doppler frequency offset is also positive.
  • the Doppler frequency offset is negative when the relative speed is negative (for example, when the UE is away from the cell).
  • the inventors have found that at least the following problems exist in the prior art:
  • the UE side does not consider the moving speed of the UE, but directly discriminates all the cells in the AFC. The result is merged.
  • the Doppler frequency offset will seriously affect the reception of the HS-PDSCH in the HSPA system, thereby affecting the performance of the HSPA system, resulting in low communication stability and low data transmission performance.
  • the embodiment of the invention provides a method, a device and a device for acquiring a frequency-detection result of an automatic frequency control, which are used to solve the problem that the moving speed of the UE is not considered in the soft handover process of the HSPA system in the prior art, and the communication stability of the HSPA system is low. , the defect of low data transmission performance.
  • An embodiment of the present invention provides a method for obtaining a frequency identification result of an automatic frequency control, including: acquiring, from a plurality of frequency discriminating modules, a frequency discriminating result of a plurality of cells corresponding to the user equipment; Receiving a cell corresponding to the data, where the plurality of cells include a serving cell of the user equipment;
  • An embodiment of the present invention provides an apparatus for acquiring a frequency-determined result of an automatic frequency control, including: a first acquiring module, configured to acquire, from a plurality of frequency-detecting modules, a frequency-collecting result of multiple cells corresponding to the user equipment;
  • the cell is a cell corresponding to the user equipment, and the plurality of cells include a serving cell of the user equipment;
  • a second obtaining module configured to acquire a frequency discriminating result of the automatic frequency control according to a size relationship between the moving speed of the user equipment and a preset threshold, and a frequency discriminating result of the multiple cells.
  • the embodiment of the invention further provides an automatic frequency control device, which comprises a plurality of frequency discriminating modules, an automatic frequency control frequency discriminating result obtaining device, a loop filter, a processing module and a voltage controlled crystal oscillator;
  • the plurality of frequency discriminating modules are configured to obtain a frequency discriminating result of the multiple cells corresponding to the user equipment; the multiple cells are the cells that the user equipment can receive the data; the multiple cells include the a serving cell of the user equipment;
  • the frequency-frequency result obtaining device of the automatic frequency control is configured to determine, according to the frequency discriminating result of the plurality of cells acquired by the plurality of frequency discriminating modules, a relationship between a moving speed of the user equipment and a preset threshold Obtaining the frequency identification result of the automatic frequency control;
  • the loop filter is configured to filter the frequency identification result of the automatic frequency control acquired by the frequency-determining result obtaining device of the automatic frequency control;
  • the processing module is configured to acquire a voltage value according to the frequency discriminating result of the automatic frequency control filtered by the loop filter;
  • the voltage controlled crystal oscillator is configured to generate a corresponding frequency oscillation signal according to the voltage value obtained by the processing module, where the frequency oscillation signal is used as a clock source for the user equipment to work normally.
  • the frequency identification result of the multiple cells corresponding to the user equipment is obtained by using multiple frequency discrimination modules; the multiple cells are the user equipment Receiving a cell corresponding to the data, where the plurality of cells include a serving cell of the user equipment; and automatically acquiring, according to a size relationship between a moving speed of the user equipment and a preset threshold, and a frequency discriminating result of the multiple cells.
  • Frequency control results of frequency control is not considered in the prior art, resulting in low communication stability and low data transmission performance.
  • the moving speed of the user equipment is taken into consideration in the soft handover process, and the frequency identification result of the automatic frequency control can be accurately obtained according to the relationship between the moving speed of the user equipment and the preset threshold.
  • FIG. 1 is a schematic structural view of a prior art AFC device
  • FIG. 2 is a flow chart of a method for acquiring a frequency discrimination result of automatic frequency control according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for acquiring a frequency discrimination result of automatic frequency control according to another embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an apparatus for acquiring frequency discriminating results of automatic frequency control according to an embodiment of the present invention
  • FIG. 5 is a schematic structural diagram of an apparatus for acquiring frequency discriminating results of automatic frequency control according to another embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of an automatic frequency control device according to an embodiment of the present invention. detailed description
  • the DPCH channel supports the soft handover technology, and the UE can simultaneously maintain communication through the DPCH and multiple cells on the network side, and the communication content is the same as that of each cell.
  • the UE can discriminate each cell of the soft handover, and then combine the frequency discrimination results as a final frequency discrimination result.
  • the frequency discrimination is used to support the soft handover.
  • the DPCH In the HSPA system, when the HS-PDSCH is used, the DPCH also exists. At this time, the DPCH is mainly used to transmit signaling and work. Rate control command.
  • the method of combining the above-mentioned frequency discrimination results also has a gain, but when the mobile speed of the UE is high, since the HS-PDSCH used in the HSPA system does not support the soft handover technology, the UE only needs the same time. Communicate with a cell (ie, the current serving cell).
  • a cell ie, the current serving cell.
  • the Doppler frequency offset caused by the high-speed mobile of the UE will result in a larger frequency offset between the UE and the serving cell, and since the HS-PDSCH only tracks the serving cell, the above-mentioned method of combining the frequency discrimination results is adopted. It will not bring any gain to the system, but will seriously affect the performance of HS-PDSCH communication, resulting in low communication stability and low data transmission performance. This problem can be solved by the following technical solution of the embodiment of the present invention.
  • the prior art AFC device may include multiple frequency discriminating modules 1, a merging module 2, a loop filter 3, a processing module 4, and a voltage-controlled crystal oscillator (hereinafter referred to as VCXO). ) 5.
  • VCXO voltage-controlled crystal oscillator
  • each frequency discrimination module 1 corresponds to one cell.
  • the plurality of frequency discriminating modules 1 respectively correspond to a plurality of cells in which the UE can receive data.
  • Each frequency discriminating module 1 is configured to obtain a frequency deviation of a frequency of a corresponding cell transmission data and a preset receiving frequency as a frequency discrimination result.
  • the merging module 2 is connected to the plurality of frequency discriminating modules 1 respectively, and the merging module 2 is used to combine the frequency discriminating results obtained by the plurality of frequency discriminating modules 1 as the frequency discriminating result of the AFC.
  • the loop filter 3 is connected to the merging module 2, and the loop filter 3 is used for filtering the frequency discrimination result of the AFC processed by the merging module 2.
  • the processing module 4 is connected to the loop filter 3, and the processing module 4 is configured to acquire a voltage value according to the frequency discrimination result of the AFC filtered by the loop filter 3. For example, the processing module 4 may first add the frequency deviation of the frequency discrimination result of the filtered AFC to the current frequency pre-stored in the processing module 4 to obtain the adjusted frequency.
  • the pre-stored current frequency is the last adjusted frequency.
  • the processing module 4 is further configured to map the adjusted frequency to a voltage value.
  • the VCX05 is connected to the processing module 4, and the VCX05 is configured to generate a corresponding frequency oscillation signal according to the voltage value obtained by the processing module 4.
  • the frequency oscillation signal serves as a clock source for the UE to work normally.
  • the moving speed of the UE is not considered, and the frequency discriminating results of the plurality of cells corresponding to the UE are directly combined.
  • the Doppler frequency offset for example, the UE moves linearly between the two cells A and B, and the UE is at the cell A at this time.
  • the Doppler frequency offset frequency discrimination result is 700 Hz
  • the Doppler frequency offset frequency difference result of the UE relative to the cell B is -700 Hz.
  • the result of the combination is that the frequency discrimination result of the AFC is 0, thereby causing the VCXO to not perform adjustment, resulting in data transmission. Low performance and low soft switching efficiency.
  • FIG. 2 is a flowchart of a method for acquiring a frequency discrimination result of an AFC according to an embodiment of the present invention.
  • the execution body of the method for obtaining the frequency discrimination result of the AFC of the present embodiment is an AFC frequency discrimination result acquisition device.
  • the frequency discrimination result obtaining means of the AFC may be located in the AFC device on the UE side.
  • the method for obtaining the frequency identification result of the AFC in this embodiment may include the following steps: 100.
  • the UE can receive the cell corresponding to the data, where the plurality of cells include the serving cell of the UE and the non-serving cell of the UE, that is, the neighboring cell of the UE.
  • the plurality of frequency discriminating modules in the embodiment are in one-to-one correspondence with the plurality of cells. Each frequency discriminating module can acquire the frequency deviation of the frequency of the transmission data of one cell and the preset reception frequency, that is, the frequency discrimination result.
  • the method for obtaining the frequency identification result of the AFC in this embodiment is obtained by using multiple frequency discriminating modules.
  • the moving speed of the UE is not considered in the prior art, resulting in low communication stability and low data transmission performance.
  • the moving speed of the UE is taken into consideration in the soft handover process, and the accurate AFC frequency discrimination result can be obtained according to the relationship between the moving speed of the UE and the preset threshold, which can effectively improve the communication stability of the HSPA system. Sex and data transmission performance; thus it can also be greatly changed Good UE experience.
  • the method further includes: determining a size relationship between a moving speed of the UE and a preset threshold.
  • the speed of the UE can be detected by setting a speed detector in the UE.
  • FIG. 3 is a flowchart of a method for obtaining a frequency discrimination result of an AFC according to another embodiment of the present invention.
  • the embodiment shown in FIG. 3 further explains the technical solution of the embodiment of the present invention in detail based on the embodiment shown in FIG. 2 above.
  • the method for obtaining the frequency identification result of the AFC in this embodiment may specifically include the following:
  • 200 and 201 can be in no order.
  • the frequency identification result of the serving cell is used as a frequency discriminating result of the AFC.
  • the 205 is located after 204.
  • the 205 may also be located after 203.
  • the frequency discriminating result of the multiple cells is combined as the frequency discriminating result of the AFC according to 203. At this time, it is equivalent to obtaining the gain by combining, reducing the probability of the UE dropping the network, improving the data transmission performance and the network. Stability.
  • the moving speed of the UE is less than the preset threshold, the noise impact of the cell other than the serving cell in the multiple cells on the serving cell is smaller than that obtained by the merge mode, so the frequency discriminating result of the multiple cells can be obtained. Merged as a result of the AFC's frequency discrimination.
  • the frequency discriminating result of the serving cell is obtained from the frequency discriminating result of the multiple cells as described in 202. Since the moving speed of the UE is large at this time, the Doppler frequency offset has a great influence on the system performance, and the Doppler frequency offset of the UE relative to a certain one of the multiple cells is positive, then relative to the cell The Doppler shift of another neighboring cell may be negative. At this time, if the combination of the frequency discrimination results of multiple cells is still used, the Doppler frequency offset values of multiple cells may be canceled positively and negatively, and the Doppler frequency offset of multiple cells is obtained, which seriously affects system performance.
  • the noise impact of the cell other than the serving cell in the multiple cells on the serving cell is larger than that obtained by the merge mode. Therefore, the frequency discriminating result of the serving cell may be obtained from the frequency discriminating result of the multiple cells. Therefore, noise can be filtered out, data transmission performance and network stability can be improved.
  • the determination of the preset threshold in the foregoing embodiment may be performed as follows:
  • the preset threshold needs to be satisfied, when the moving speed of the UE takes the preset threshold, the cells other than the serving cell in the multiple cells are in the serving cell.
  • the influence of noise is just equivalent to the gain obtained by combining multiple cells in a combined manner.
  • the method for obtaining the frequency identification result of the AFC in this embodiment changes the moving speed of the UE in the prior art, resulting in low communication stability and low data transmission performance.
  • the moving speed of the UE is taken into consideration in the soft handover process, and the accurate AFC frequency discrimination result can be obtained according to the relationship between the moving speed of the UE and the preset threshold, and the communication of the HSPA system can be effectively improved. Stability and data transfer performance; thus greatly improving the UE experience.
  • the technical solution of the present invention of the above embodiment can be applied to a high speed mobile scene of the HSPA system.
  • the UE is often in a moving state away from a certain cell A and close to the cell B during the moving process.
  • the range that can be covered by both cells A and B creates a soft handoff.
  • the existing AFC frequency discrimination technology scheme is adopted, the performance will be greatly lost or even the data transmission is interrupted.
  • the UE first follows the carrier frequency of the serving cell A (at this time, the UE uses the frequency discriminating result of the cell A, and the cell B has a Doppler frequency offset), and the cell B signal is gradually enhanced.
  • the serving cell change signaling is sent to the network side, the cell B becomes the serving cell, and the UE becomes the frequency discriminating result of the cell B, ensuring the carrier frequency of the serving cell. Therefore, the technical solution of the embodiment of the present invention can effectively improve data transmission performance.
  • FIG. 4 is a schematic structural diagram of an apparatus for acquiring a frequency identification result of an AFC according to an embodiment of the present invention.
  • the device for obtaining a frequency of the AFC of the present embodiment may specifically include: a first acquiring module 10 and a second acquiring module 11.
  • the first obtaining module 10 is configured to obtain, from a plurality of frequency discriminating modules, a frequency discriminating result of the multiple cells corresponding to the UE, where the multiple cells are all the cells corresponding to the data that the UE can receive, where the multiple cells include the UE. Service area.
  • the second obtaining module 11 is connected to the first acquiring module 10, and the second obtaining module 11 is configured to acquire the AFC according to the size relationship between the moving speed of the UE and the preset threshold, and the frequency discriminating result of the multiple cells received by the first acquiring module 10. Frequency identification results.
  • the method for obtaining the AFC of the AFC in this embodiment can be referred to the description of the foregoing related method embodiments by using the above-mentioned module, and details are not described herein again.
  • the frequency-of-frequency result obtaining device of the AFC in this embodiment obtains the frequency discriminating result of the multiple cells corresponding to the UE by using the foregoing module; and obtains the frequency relationship between the moving speed of the UE and the preset threshold and the frequency discriminating result of the multiple cells.
  • AFC's frequency discrimination results Changed in the prior art The moving speed of the UE is not considered, resulting in low communication stability and low data transmission performance. With the technical solution of the embodiment, the moving speed of the UE is taken into consideration in the soft handover process, and the accurate AFC frequency discrimination result can be obtained according to the relationship between the moving speed of the UE and the preset threshold, and the communication of the HSPA system can be effectively improved. Stability and data transfer performance; thus also greatly improving the UE experience.
  • FIG. 5 is a schematic structural diagram of an apparatus for acquiring a frequency identification result of an AFC according to another embodiment of the present invention.
  • the frequency-determining result obtaining apparatus of the AFC of the present embodiment may further include the determining module 12 only on the basis of the embodiment shown in FIG.
  • the determining module 12 is configured to determine a magnitude relationship between a moving speed of the UE and a preset threshold.
  • the second obtaining module 11 is connected to the determining module 12, and the second obtaining module 11 is configured to determine the relationship between the moving speed of the UE and the preset threshold according to the determining module 12, and the plurality of cells received by the first acquiring module 10.
  • the frequency result obtains the frequency discrimination result of AFC.
  • the second obtaining module 11 may specifically include the acquiring unit 111 and the processing unit 112, when the moving speed of the UE is greater than or equal to a preset threshold, according to the method for obtaining the frequency of the AFC.
  • the obtaining unit 111 is connected to the determining module 12 and the first acquiring module 10, respectively.
  • the obtaining unit 111 is configured to: when the determining module 12 determines that the moving speed of the UE is greater than or equal to a preset threshold, the multiple cells received from the first acquiring module 10 The frequency discrimination result of the serving cell is obtained in the frequency discrimination result.
  • the processing unit 112 is connected to the obtaining unit 111, and the processing unit 112 is configured to use the frequency discriminating result of the serving cell obtained by the obtaining unit 111 as the frequency discriminating result of the AFC.
  • the second obtaining module 11 does not include the obtaining unit 111 and the processing unit 112, when the determining module 12 determines that the moving speed of the UE is less than a preset threshold, on the basis of the discriminating result obtaining device of the AFC.
  • the second acquisition module 11 is connected to the determination module 12, which is not shown in FIG.
  • the second obtaining module 11 is specifically configured to combine the frequency discriminating results of the multiple cells as the frequency discriminating result of the AFC when the determining module 12 determines that the moving speed of the UE is less than a preset threshold.
  • the frequency discrimination result obtaining device of the AFC of the embodiment may further include a transmitting module 13.
  • the sending module 13 is configured to send a frequency discriminating result of the AFC to the loop filter, so that the loop filter filters the frequency discriminating result of the AFC, and the processing module obtains a voltage value according to the frequency discriminating result of the filtered AFC.
  • the VCXO generates a corresponding frequency oscillation signal according to the voltage value, and the frequency oscillation signal serves as a clock source for the UE to work normally.
  • the determining module 12 determines that the moving speed of the UE is greater than or equal to the preset threshold, as shown in FIG.
  • the sending module 13 is connected to the processing unit 112, and the sending module 13 is configured to send the AFC processed by the processing unit 112 to the loop filter. Frequency identification results.
  • the sending module 13 should be connected to the second obtaining module 11, which is not shown in the figure. At this time, the sending module 13 is configured to send the second acquiring module to the loop filter. 11 Process the obtained frequency discrimination result of AFC.
  • the method for obtaining the AFC of the AFC in this embodiment can be referred to the description of the foregoing related method embodiments by using the above-mentioned module, and details are not described herein again.
  • the discriminating result obtaining device of the AFC of the present embodiment can change the moving speed of the UE without considering the UE in the prior art by using the above module, resulting in low communication stability and low data transmission performance.
  • the moving speed of the UE is taken into consideration in the soft handover process, and the accurate AFC frequency discrimination result can be obtained according to the relationship between the moving speed of the UE and the preset threshold, and the communication of the HSPA system can be effectively improved. Stability and data transfer performance; thus also greatly improving the UE experience.
  • FIG. 6 is a schematic structural diagram of an AFC device according to an embodiment of the present invention. As shown in FIG. 6, the AFC device of the embodiment includes a plurality of frequency discriminating modules 20 and a frequency discriminating result obtaining device of the AFC.
  • Loop filter 40 processing module 50 and VCXO60;
  • the plurality of frequency discriminating modules 20 are configured to obtain the frequency discriminating result of the multiple cells of the UE; the multiple cells are all cells that the UE can receive corresponding to the data.
  • AFC frequency discrimination result obtaining device 30 A plurality of frequency discriminating modules 20 are connected to each other, and the frequency discriminating result obtaining means 30 of the AFC is configured to obtain the AFC according to the frequency discriminating result of the plurality of cells acquired by the plurality of frequency discriminating modules 20 and the magnitude relationship between the moving speed of the UE and the preset threshold. The frequency of the results.
  • the loop filter 40 is connected to the frequency discrimination result obtaining means 30 of the AFC, and the loop filter 40 is configured to filter the frequency discrimination result of the AFC acquired by the frequency discrimination result obtaining means 30 of the AFC.
  • the processing module 50 is connected to the loop filter 40, and the processing module 50 is configured to obtain a voltage value according to the frequency discrimination result of the AFC filtered by the loop filter 40. For example, the processing module 50 may first add the frequency deviation of the frequency discrimination result of the AFC filtered by the loop filter 40 to the current frequency pre-stored in the processing module 50 to obtain the adjusted frequency. The pre-stored current frequency is the last adjusted frequency.
  • the processing module 50 is further configured to map the adjusted frequency to a voltage value.
  • the processing module 50 can be integrated with an accumulator and a converter.
  • the accumulator is configured to add the frequency deviation of the frequency discrimination result of the AFC obtained by filtering the loop filter 40 to the pre-stored current frequency to obtain the adjusted frequency.
  • the converter is used to map the accumulator adjusted frequency to a voltage value.
  • the VCXO 60 is connected to the processing module 50.
  • the VCXO 60 generates a corresponding frequency oscillation signal according to the voltage value obtained by the processing module 50, and the frequency oscillation signal serves as a clock source for the UE to work normally.
  • the preset receiving frequency used when the plurality of frequency discriminating modules 20 acquire the frequency deviation as the frequency discriminating result may be generated according to the frequency oscillation signal generated by the VCXO 60.
  • the frequency-detecting result obtaining device 30 of the AFC in this embodiment may adopt the frequency-collecting result obtaining device of the AFC in the embodiment shown in FIG. 4 or FIG. 5, and may be implemented in the foregoing FIG. 2 or FIG.
  • the method for obtaining the frequency of the AFC is used to obtain the result of the frequency discrimination of the AFC.
  • the AFC device of this embodiment can change the moving speed of the UE without considering the UE in the prior art by using the plurality of frequency discriminating modules 20, the frequency discriminating result obtaining device 30, the loop filter 40, the processing module 50, and the VCXO 60 of the AFC. , resulting in low communication stability and low data transmission performance.
  • the moving speed of the UE is taken into consideration in the soft handover process, and the accurate AFC frequency discrimination can be obtained according to the relationship between the moving speed of the UE and the preset threshold.
  • the communication stability and data transmission performance of the HSPA system can be effectively improved; thus, the UE experience can be greatly improved.
  • the device embodiments described above are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located in one place. , or it can be distributed to at least two network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

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Abstract

La présente invention concerne un procédé, un dispositif et un appareil pour obtenir un résultat de discrimination de fréquence d'une commande automatique de fréquence (CAF). Le procédé consistant à : acquérir, à partir de multiples modules de discrimination de fréquence, des résultats de discrimination de fréquence de multiples cellules correspondant à un équipement d'utilisateur, les multiples cellules étant des cellules correspondant à des données susceptibles d'être reçues par l'équipement d'utilisateur, et les multiples cellules comprenant une cellule de desserte de l'équipement d'utilisateur ; selon une relation de grandeur entre la vitesse de déplacement de l'équipement d'utilisateur et un seuil prédéterminé, et en fonction des résultats de discrimination de fréquence des multiples cellules, acquérir un résultat de discrimination de fréquence d'une commande de fréquence automatique. En utilisant la solution technique décrite dans les modes de réalisation de la présente invention, la stabilité de communication et les performances de transmission de données d'un système HSPA peuvent ainsi être améliorées de manière efficace.
PCT/CN2011/079094 2011-08-30 2011-08-30 Procédé, dispositif et appareil pour obtenir un résultat de discrimination de fréquence d'une commande automatique de fréquence WO2012119426A1 (fr)

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PCT/CN2011/079094 WO2012119426A1 (fr) 2011-08-30 2011-08-30 Procédé, dispositif et appareil pour obtenir un résultat de discrimination de fréquence d'une commande automatique de fréquence
CN2011800015285A CN102369763B (zh) 2011-08-30 2011-08-30 自动频率控制的鉴频结果获取方法、装置与设备

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