WO2014000562A1 - 通信方法、设备及系统 - Google Patents

通信方法、设备及系统 Download PDF

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Publication number
WO2014000562A1
WO2014000562A1 PCT/CN2013/076936 CN2013076936W WO2014000562A1 WO 2014000562 A1 WO2014000562 A1 WO 2014000562A1 CN 2013076936 W CN2013076936 W CN 2013076936W WO 2014000562 A1 WO2014000562 A1 WO 2014000562A1
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WIPO (PCT)
Prior art keywords
dpcch
power offset
cell
offset value
interference ratio
Prior art date
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PCT/CN2013/076936
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English (en)
French (fr)
Inventor
郭房富
徐凌峰
戴丁樟
黄鑫
Original Assignee
华为技术有限公司
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Publication of WO2014000562A1 publication Critical patent/WO2014000562A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/265—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the quality of service QoS

Definitions

  • the present invention relates to the field of communications, and in particular, to a communication method, device, and system. Background technique
  • the handover technology is divided into soft handover and hard handover.
  • the hard handover means that only one radio link is connected to the UE at the same time, and the soft handover refers to that multiple radio links are connected to the UE at the same time.
  • the quality of the downlink pilot signals received by the UE in the two cells is equivalent, but the uplink reception signal-to-interference ratio of the UE to the two cells may be compared.
  • the big difference is that the uplink and downlink link quality of the cell with low uplink-to-interval signal-to-interference ratio is very unbalanced, which causes the uplink demodulation performance of the link with better downlink quality to deteriorate, and even uplink out-of-synchronization occurs.
  • the user will affect the user experience because the link cannot provide normal uplink communication services and affect the uplink and downlink throughput.
  • the current existing communication method mainly performs "desensitization" on a cell with a high uplink-to-interference ratio, that is, increases the uplink noise of the cell, and The uplink received signal to interference ratio of the UE to the cell is reduced, so that the uplink receive signal to interference ratio of the UE to the two cells is as equal as possible, so that the uplink receive signal to the uplink and downlink quality of the low cell is balanced.
  • the inventors have found that at least the following problems exist in the prior art: Since the existing communication method solves the uplink and downlink unbalance problem in soft handover, the main method is to increase the uplink receiving signal. The uplink noise floor of the higher-than-high cell, so the uplink RTWP (Received Total Wideband Power) of the cell will also increase. At this time, the interference to neighbor cells of other cells will also increase. In severe cases, the uplink capacity and uplink coverage of the cell and surrounding cells will be reduced, and the performance of major network such as call drop rate will be deteriorated. Summary of the invention
  • the embodiments of the present invention provide a communication method, device, and system to solve the problem caused by uplink and downlink imbalance during soft handover.
  • the technical solution is as follows:
  • a communication method comprising:
  • the network side device determines that the uplink signal quality of the user equipment of the at least two uplinks in the first cell meets a preset condition
  • the network side device reduces a power offset value of the data channel, and sends the reduced power offset value of the data channel to the UE.
  • the uplink signal quality of a cell meets a preset condition, and specifically includes:
  • the network side device determines that the uplink signal quality of the UE in the first cell is less than a first threshold; or
  • the network side device determines that the difference between the uplink signal quality of the UE in the first cell and the uplink signal quality of the UE in other cells reaches a second threshold.
  • the network side device reduces the power offset value of the data channel, specifically: the network side device reduces the power of the data channel according to the target compensation level of the first cell dedicated physical control channel DPCCH receiving the signal to interference ratio. Offset value.
  • the network side device reduces the power offset value of the data channel according to the target compensation level of the first cell-specific physical control channel DPCCH receiving the signal-to-interference ratio, including:
  • the network side device reduces the power offset value of the uplink dedicated physical data channel DPDCH according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio, and/or the network side device receives according to the first cell DPCCH
  • the target compensation level of the signal to interference ratio reduces the power offset value of the uplink enhanced dedicated physical data channel E-DPDCH.
  • the network side device reduces the power offset value of the uplink enhanced dedicated physical data channel E-DPDCH according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio, including: the network side device according to the Target compensation level of the first cell DPCCH receiving signal to interference ratio Reducing a reference power offset PO value corresponding to the reference enhanced transport format combination identifier E-TFCI, and/or, the network side device decreases each medium access control according to a target compensation level of the first cell DPCCH receiving signal to interference ratio
  • the hybrid of MAC-d flows automatically requests retransmission power offset HARQ PO values.
  • the network side device reduces the power offset value of the data channel according to the target compensation level of the first cell-specific physical control channel DPCCH receiving the signal-to-interference ratio, including:
  • the method further includes:
  • a power offset value of the HS-DPCCH is sent to the UE.
  • the network side device is configured according to the first cell high-speed dedicated physical control channel
  • the target compensation level of the HS-DPCCH receiving signal to interference ratio reduces the power offset value of the HS-DPCCH, including:
  • the original power offset value of the HS-DPCCH reduces the power offset value of the HS-DPCCH.
  • the method further includes:
  • the network side device decreases a power offset value of the E-DPCCH according to a target compensation level of the first cell enhanced dedicated physical control channel E-DPCCH receiving signal to interference ratio, and reduces the reduced E-DPCCH A power offset value is sent to the UE.
  • the network side device enhances a dedicated physical control channel according to the first cell.
  • the target compensation level of the E-DPCCH receiving signal to interference ratio reduces the power offset value of the E-DPCCH, including:
  • a network side device where the device includes:
  • a determining module configured to determine that an uplink signal quality of the user equipment UE that has at least two uplinks in the first cell meets a preset condition
  • a processing module configured to reduce a power offset value of the data channel
  • a sending module configured to send, to the UE, a power offset value of the reduced data channel obtained by the processing module.
  • the determining module is specifically configured to determine that an uplink signal quality of the UE in the first cell is less than a first threshold; or determine an uplink of the UE in the first cell. The difference between the signal quality and the uplink signal quality of the UE in other cells reaches a second threshold.
  • the processing module is specifically configured to reduce a power offset value of the data channel according to a target compensation level of the first cell dedicated physical control channel DPCCH receiving a signal to interference ratio.
  • the processing module specifically includes:
  • a first processing unit configured to reduce a power offset value of the uplink dedicated physical data channel DPDCH according to a target compensation level of the first cell DPCCH receiving signal to interference ratio
  • the second processing unit is configured to reduce a power offset value of the uplink enhanced dedicated physical data channel E-DPDCH according to a target compensation level of the first cell DPCCH receiving signal to interference ratio.
  • the second processing unit is specifically configured to: according to the target compensation level of the first cell DPCCH receiving signal to interference ratio, reduce the reference power offset PO value corresponding to the reference enhanced transport format combination identifier E-TFCI, and And/or, according to the target compensation level of the first cell DPCCH receiving signal to interference ratio, reducing the hybrid automatic request retransmission power offset HARQ PO value of each medium access control MAC-d flow.
  • the processing module is specifically configured to determine, according to a target compensation level of the first cell DPCCH receiving a signal to interference ratio, a power offset difference of the data channel; according to a power offset difference of the data channel, The original power offset value of the data channel configured by the UE reduces a power offset value of the data channel.
  • the processing module is further configured to: reduce a power offset of the HS-DPCCH according to a target compensation level of the first cell high-speed dedicated physical control channel HS-DPCCH receiving a signal-to-interference ratio Value
  • the sending module is further configured to send, by the processing module, the reduced power offset value of the HS-DPCCH to the UE.
  • the processing module is specifically configured to determine, according to a target compensation level of the first cell HS-DPCCH receiving signal to interference ratio, a power offset difference of the HS-DPCCH;
  • the power offset difference of the HS-DPCCH and the original power offset value of the HS-DPCCH configured for the UE reduces the power offset value of the HS-DPCCH.
  • the processing module is further configured to: reduce a power offset value of the E-DPCCH according to a target compensation level of the first cell enhanced dedicated physical control channel E-DPCCH receiving a signal to interference ratio; the sending module And transmitting, by the processing module, the reduced power offset value of the E-DPCCH to the UE.
  • the processing module is specifically configured to determine, according to the target compensation level of the first cell E-DPCCH receiving signal to interference ratio, a power offset difference of the E-DPCCH; according to the E-DPCCH The power offset difference and the original power offset value of the E-DPCCH configured for the UE reduce the power offset value of the E-DPCCH.
  • a communication system comprising any one of the network side devices described above.
  • the network side device Determining, by the network side device, that the UE having the at least two uplinks reduces the power offset value of the data channel after the uplink signal quality of the first cell meets the preset condition, and reduces the power offset of the data channel.
  • the value is sent to the UE, so that when the uplink OLPC algorithm converges so that the QoS control of the data channel is at a fixed level, the uplink DPCCH reception signal to interference ratio of the first cell is raised, thereby achieving uplink and downlink balance during soft handover. Thereby providing better data transmission services for the UE.
  • FIG. 1 is a schematic diagram of a soft handover area of an intra-frequency cell according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram showing a relationship between a received signal-to-interference ratio and a power offset of a data channel according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a communication method according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a network side device according to Embodiment 3 of the present invention.
  • FIG. 6 is a schematic structural diagram of a processing module according to Embodiment 3 of the present invention. detailed description
  • a left cell a cell with a low pilot transmit power
  • a right cell a cell with a low pilot transmit power
  • the UE is on two cells.
  • a soft handoff 1A event occurs at point B, a SRNC (Serving Radio Network Controller) establishes a link in the right cell, and the UE enters the soft handoff area;
  • a service cell update 1D event occurs at point C, SRNC
  • the UE serving cell to the right cell is updated;
  • a soft handoff 1B event occurs at point D, that is, the SRNC deletes the link of the UE in the left cell.
  • the downlink pilot signal quality of the UE receiving the two cells is basically equal, but the UE goes to the two cells.
  • the uplink receive signal-to-interference ratio may be quite different. That is, the uplink and downlink link quality of the cell with low uplink receive signal-to-interference ratio is very unbalanced, so that the uplink DPCCH solution of the link with better downlink quality is obtained.
  • the performance of the tuning deteriorates, and even the uplink is out of synchronization.
  • the user may affect the user's feelings because the link cannot provide normal uplink communication services and affect the uplink and downlink throughput.
  • FIG. 1 indicates only one of the causes of the uplink and downlink unbalanced scenarios, that is, the pilot P-CPICH (Primary-Common Pilot Channel) transmission power of the two cells has a large difference ( For example, 6dB or more, there are other reasons that may cause the uplink and downlink unbalanced scenarios.
  • the number of receiving antennas of two cells is different (for example, 4 antennas are relatively
  • the uplink received signal-to-interference ratio of the UE to the two cells may be significantly different, but the downlink quality is basically equal, or even the uplink receiving signal.
  • the downlink quality of the cell is lower than that of the lower cell.
  • the received channel-to-interference ratio of the data channel is 0 ⁇ 01 (Dedicated Physical Control Channel). Receive signal to interference ratio + power channel power offset.
  • the user's QoS Quality of Service
  • OLPC Outer Loop Power Control
  • Dynamic Monitoring MAC Media Access Control
  • MAC-es/MAC-e PDU National Data Unit
  • NHR Number of HARQ Retransmissions
  • SIR Signal to Interference Ratio, signal-to-interference ratio
  • the power offset can increase the DPCCH reception signal-to-interference ratio under the premise that the data channel reception signal-to-interference ratio is substantially unchanged, thereby improving the DPCCH SIR level and maintaining the uplink and downlink links.
  • the present embodiment provides a communication method for the soft handover scenario shown in FIG. 1.
  • the present embodiment and the subsequent embodiments refer to a cell with an uplink received signal to interference ratio as a first cell.
  • the first cell is a cell that has an uplink with the UE and the uplink signal quality is poor.
  • the first cell is a serving cell. Referring to FIG. 3, the process of the method provided in this embodiment is specifically as follows:
  • the network side device determines that the uplink signal quality of the UE in which the at least two uplinks exist in the first cell meets a preset condition.
  • the specific preset condition is not limited, and the network side device determines that the uplink signal quality of the UE in the first cell that has at least two uplinks meets a preset condition, including but not limited to:
  • the network side device determines that the uplink signal quality of the UE in the first cell is less than the first threshold; or
  • the network side device determines the uplink signal quality of the UE in the first cell and the UE in other cells The difference in uplink signal quality reaches a second threshold.
  • the other cells mentioned above refer to cells other than the first cell in the cell in which the uplink is established with the UE.
  • the network side device reduces a power offset value of the data channel, and sends a power offset value of the reduced data channel to the UE.
  • the network side device reduces the power offset value of the data channel, including but not limited to: the network side device reduces the power offset value of the data channel according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio.
  • the network side device reduces the power offset value of the data channel according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio, including but not limited to:
  • the network side device reduces the power offset value of the uplink DPDCH according to the target compensation level of the received signal to interference ratio of the first cell DPCCH, and/or the network side device decreases the uplink E-DPDCH according to the target compensation level of the received signal to interference ratio of the first cell DPCCH. Power offset value.
  • the network side device reduces the power offset value of the uplink E-DPDCH according to the target compensation level of the received signal to interference ratio of the first cell DPCCH, including but not limited to:
  • the network side device reduces the reference PO (Power offset) value corresponding to the reference E-TFCI (Enhanced-Transport Format Combination Indicator) according to the target compensation level of the first cell DPCCH receiving signal to interference ratio, and / or, the network side device reduces the new HARQ P0 value of each MAC-d flow according to the target compensation level of the first cell DPCCH receiving signal to interference ratio.
  • reference PO Power offset
  • E-TFCI Enhanced-Transport Format Combination Indicator
  • the network side device reduces the new power offset value of the data channel according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio, including but not limited to:
  • the network side device determines a power offset difference of the data channel according to a target compensation level of the first cell DPCCH receiving signal to interference ratio
  • the power offset value of the data channel is reduced according to the power offset difference of the data channel and the original power offset value of the data channel configured for the UE.
  • the method provided in this embodiment further includes:
  • the network side device reduces the power offset value of the HS-DPCCH according to the target compensation level of the first cell HS-DPCCH receiving signal to interference ratio, and sends the reduced power offset value of the HS-DPCCH to the UE, so that the HS-DPCCH Normal demodulation.
  • the network side device reduces the power offset value of the HS-DPCCH according to the target compensation level of the first cell HS-DPCCH receiving signal to interference ratio, including but not limited to:
  • the network side device determines a power offset difference of the HS-DPCCH according to a target compensation level of the first cell HS-DPCCH receiving signal to interference ratio;
  • the power offset value of the HS-DPCCH is reduced according to the power offset difference of the HS-DPCCH and the original power bias value of the HS-DPCCH configured for the UE.
  • the uplink HSUPA link a cell with a low uplink to interference ratio is required.
  • the HSUPA transmission can be close to or reach the normal working state.
  • the method provided in this embodiment further includes: the network side device reduces the target compensation level according to the first cell E-DPCCH receiving signal to interference ratio.
  • the power offset value of the E-DPCCH is sent to the UE by the power offset value of the reduced E-DPCCH, so that the E-DPCCH is normally demodulated, so that the first cell HSUPA transmission reaches a normal working state.
  • the network side device reduces the power offset value of the E-DPCCH according to the target compensation level of the first cell E-DPCCH receiving signal to interference ratio, including but not limited to:
  • the network side device determines the target compensation level according to the first cell E-DPCCH receiving signal to interference ratio
  • the power offset value of the E-DPCCH is lowered according to the power offset difference of the E-DPCCH and the original power offset value of the E-DPCCH configured for the UE.
  • the method provided by this embodiment may be triggered by the UE entering an iconic event in the area between point B and point C as shown in FIG. 1 , for example, by 1A, or 1B, or 1C, or 1D. It can be triggered by soft-switching events. It can also be triggered by some reconfiguration events on the network side. For example, it can be triggered by reconfiguration events such as service addition, deletion, or modification. It can also be triggered periodically. For example, periodically determine the inherent two cells.
  • the uplink signal to interference ratio difference is mainly reflected in the difference in uplink path loss characterized by the downlink CPICH (Common Pilot Channel) transmission power difference of the left and right cells, Reception of two cells left and right If the difference is small, the balance problem of the uplink is not serious. If the difference is large, the communication method provided in this embodiment is triggered.
  • CPICH Common Pilot Channel
  • the method provided in this embodiment is to determine, by the network side device, that the UE having the at least two uplinks reduces the power offset value of the data channel after the uplink signal quality of the first cell meets the preset condition, and reduces the power offset value of the data channel.
  • the power offset value of the data channel is sent to the UE, so that when the uplink OLPC algorithm converges and the QoS control of the data channel is at a fixed level, the uplink DPCCH reception signal to interference ratio of the first cell is raised, thereby implementing soft handover.
  • the HS-DPCCH is normally demodulated, and the HSDPA throughput The rate is normal.
  • the E-DPCCH receiving signal-to-interference ratio is close to or at the level required for normal operation, and can be normally demodulated, thereby ensuring the HSUPA transmission of the first cell. Can also be close to or reach the normal working state.
  • the uplink method in the case of soft handover is illustrated by using the following example 2 as an example.
  • the following second embodiment refer to the following second embodiment:
  • the present embodiment provides a communication method.
  • the method provided in this embodiment is triggered by any method, and the uplink to the two cells is used for the soft handover scenario shown in FIG.
  • the uplink and downlink link quality of the cell with low uplink-to-internal signal-to-interference ratio is very unbalanced, and the uplink DPCCH demodulation performance of the link with better downlink quality is deteriorated.
  • the user Even if there is an uplink out-of-synchronization, the user will affect the user's feelings because the link cannot provide normal uplink communication services and affect the uplink and downlink throughput.
  • the received signal-to-interference ratio of the data channel is greater than the DPCCH received signal-to-interference ratio + the power offset of the data channel.
  • the method provided by the example achieves the purpose of raising the uplink DPCCH signal-to-interference ratio by reducing the power offset of the uplink data channel relative to the DPCCH without canceling the difference of the uplink received signal to interference ratio between the left and right cells, so that the two cells are DPCCH signal-to-interference ratio will get the same magnitude of lift, thus avoiding
  • the uplink receiving DPCCH demodulation performance is deteriorated or the uplink is out of synchronization, and the uplink and downlink balances during soft handover are realized.
  • the network side device is an RNC (Radio Network Controller), and the uplink receiving cell with low signal to interference ratio is a left cell.
  • RNC Radio Network Controller
  • the communication method provided in this embodiment is explained in detail. Referring to FIG. 4, the process of the method provided in this embodiment is specifically as follows:
  • the RNC determines that the uplink signal quality of the left cell in the UE having at least two uplinks meets a preset condition
  • the manner in which the RNC determines that the uplink signal quality of the left cell in the left cell meets the preset condition includes, but is not limited to:
  • the RNC determines that the uplink signal quality of the UE in the first cell is less than the first threshold
  • the RNC determines that the difference between the uplink signal quality of the UE in the first cell and the uplink signal quality of the UE in other cells reaches a second threshold.
  • the first threshold and the second threshold may be set according to actual conditions. This embodiment does not limit the specific size of the first threshold and the second threshold.
  • the RNC determines a power offset difference of the data channel according to a target compensation level of the left cell DPCCH receiving signal to interference ratio;
  • the uplink DPCCH signal to interference ratio will be raised.
  • the uplink power of the right cell is wasted, thereby raising the RTWP of the right cell and affecting its uplink capacity. Therefore, the DPCCH SIR level of the left cell should not be raised to the same level as the current DPCCH SIR of the right cell. It is only necessary to ensure that the left cell with low uplink signal to interference ratio does not have RL (Radio Link) out of synchronization to achieve the purpose.
  • the target compensation level of the left cell DPCCH receiving signal to interference ratio may be the lowest DPCCH SIR level when the left cell does not appear RL out of step, and may compensate for the DPCCH SIR level required for normal data demodulation, and therefore, the left cell DPCCH reception
  • the target compensation level of the signal-to-interference ratio may be between the lowest DPCCH SIR level when the left cell does not have RL out-of-synchronization and the DPCCH SIR level required for normal data demodulation. In this embodiment, the specific signal-to-interference ratio of the left cell DPCCH is not received.
  • the target compensation level is limited.
  • the left cell DPCCH receives the signal to interference ratio target complement
  • the difference between the compensation level and the current DPCCH reception signal to interference ratio level of the left cell can be determined as the power offset difference of the data channel. Then the step can be specifically divided into the following three cases:
  • the first case If the data channel is an uplink DPDCH, the step needs to determine the power offset difference of the uplink DPDCH according to the target compensation level of the left cell DPCCH receiving signal to interference ratio, that is, the target compensation level of the left cell DPCCH receiving signal to interference ratio.
  • the second case of the current DPCCH reception signal with the left cell If the data channel is the uplink E-DPDCH, this step needs to determine the power offset difference of the uplink E-DPDCH according to the target compensation level of the left cell DPCCH reception signal to interference ratio. a difference between a target compensation level of the left cell DPCCH reception signal to interference ratio and a current DPCCH reception signal to interference ratio level of the left cell is determined as a power offset difference of the uplink E-DPDCH;
  • the third case If the data channel is the uplink DPDCH and the uplink E-DPDCH, the step needs to determine the power offset difference of the uplink DPDCH and the power offset of the uplink E-DPDCH according to the target compensation level of the left cell DPCCH receiving signal to interference ratio.
  • the difference between the target compensation level of the left cell DPCCH reception signal to interference ratio and the current DPCCH reception signal to interference ratio level of the left cell is determined as the power offset difference of the uplink DPDCH and the power offset of the uplink E-DPDCH. Set the difference.
  • the difference between the target compensation level of the left cell DPCCH reception signal to interference ratio and the current DPCCH reception signal to interference ratio level of the left cell is the power offset difference of the uplink DPDCH and the power offset of the uplink E-DPDCH.
  • the specific ratio of the difference between the power offset difference of the uplink DPDCH and the power offset of the uplink E-DPDCH is not specifically limited in this embodiment.
  • the power offset value of the E-DPDCH can be represented by referring to the PO value, and in order to distinguish which reference PO corresponds to the reference PO.
  • the value also needs to be identified by the corresponding reference E-TFCI. Therefore, the second case and the third case may be determined according to the target compensation level of the left cell DPCCH reception signal to interference ratio when determining the power offset difference of the E-DPDCH according to the target compensation level of the left cell DPCCH reception signal to interference ratio.
  • the reference PO difference value is used as
  • the power offset difference of the E-DPDCH is the power offset difference of the E-DPDCH.
  • the power offset of the data channel is determined by the foregoing steps.
  • the difference is obtained by combining the power offset difference of the data channel with the original power offset difference of the data channel to obtain a power offset value of the reduced data channel.
  • the steps may be further divided into the following three cases:
  • the power offset difference and the original power offset value of the uplink DPDCH configured for the UE reduce the power offset value of the uplink DPDCH, that is, after combining the power offset difference of the uplink DPDCH with the original power offset difference of the uplink DPDCH
  • the power offset value of the reduced data channel obtained as the step;
  • the second case If the data channel is the uplink E-DPDCH, the foregoing step 402 determines the power offset difference of the uplink E-DPDCH, and the power offset difference according to the uplink E-DPDCH and the uplink E- configured for the UE.
  • the original power offset value of the DPDCH reduces the new power offset value of the uplink E-DPDCH, that is, the power offset difference value of the uplink E-DPDCH is combined with the original power offset difference of the uplink E-DPDCH.
  • the power offset value of the reduced data channel
  • the third case If the data channel is the uplink DPDCH and the uplink E-DPDCH, the foregoing step 402 determines the power offset difference of the uplink DPDCH and the power offset difference of the uplink E-DPDCH, and then offsets the power of the uplink DPDCH. After the difference is combined with the original power offset difference of the uplink DPDCH, the power offset value of the reduced uplink DPDCH is obtained, and the power offset difference of the uplink E-DPDCH is offset from the original power of the uplink E-DPDCH.
  • the reduced power offset value of the uplink E-DPDCH is obtained, and then the power offset value of the lowered uplink DPDCH and the power offset value of the reduced uplink E-DPDCH are used as the reduced value obtained in this step.
  • the power offset value of the data channel is obtained.
  • the data channel is uplink
  • the power offset value of the reduced uplink E-DPDCH can be identified by referring to the E-TFCI by referring to the PO value. Therefore, in the foregoing second case and the third case in the step, when the power offset value of the uplink E-DPDCH is lowered, the reference PO value may be decreased according to the reference PO difference value and the original reference PO value allocated for the UE, and Reduced reference PO value as reduced upstream E-DPDCH Power offset value. Wherein, the reduced reference PO value corresponds to the same reference E-TFCL as the original reference PO value allocated for the UE.
  • the power offset value of the reduced data channel when the power offset value of the reduced data channel is sent to the UE, the power offset value of the reduced data channel may be carried in the configuration signaling and sent to the UE, and the configuration signaling may be multiple. , including but not limited to existing ACTIVE SET UPDATE configuration signaling, RADIO BEARER RECONFIGURATION configuration signaling, TRANSPORT CHANNEL
  • RECONFIGURATION configuration signaling etc.
  • other existing configuration signaling may be selected to carry the power offset value of the reduced data channel, or a new configuration signaling may be extended to carry the method provided in this embodiment.
  • the power offset value of the reduced data channel, and the specific configuration signaling used to carry the power offset value of the reduced data channel is not specifically limited in this embodiment.
  • the configuration signaling of the power offset value of the reduced data channel is sent, the specific transmission mode can be implemented according to the existing signaling manner, which is not specifically limited in this embodiment.
  • the UE After receiving the power offset value of the reduced data channel configured by the RNC, the UE can adjust the uplink to achieve uplink and downlink balance during soft handover.
  • the HS-DPCCH receiving signal-to-interference ratio reaches a normal working level.
  • the RNC reduces the target compensation level according to the left-cell HS-DPCCH reception signal-to-interference ratio.
  • the reduced power offset value of the HS-DPCCH is sent to the UE to enable the HS-DPCCH to be demodulated normally.
  • the target compensation level of the left-cell HS-DPCCH receiving signal-to-interference ratio may be a level at which the HS-DPCCH receiving signal-to-interference ratio reaches a normal working level, and the RNC reduces the HS-based according to the target compensation level of the left-cell HS-DPCCH receiving signal-to-interference ratio.
  • the manner of the power offset value of the DPCCH is similar to the manner in which the RNC reduces the power offset value of the data channel according to the target compensation level of the left-cell DPCCH receiving signal-to-interference ratio, and details are not described herein again.
  • the RNC reduces the power offset value of the HS-DPCCH according to the target compensation level of the left-cell HS-DPCCH receiving signal-to-interference ratio, including but not limited to:
  • the RNC determines a power offset difference of the HS-DPCCH according to a target compensation level of the left cell HS-DPCCH receiving signal to interference ratio;
  • the power offset value of the HS-DPCCH is reduced according to the power offset difference of the HS-DPCCH and the original power bias value of the HS-DPCCH configured for the UE.
  • the method provided in this embodiment further includes:
  • the RNC reduces the power offset value of the E-DPCCH according to the target compensation level of the left cell E-DPCCH receiving signal to interference ratio
  • the power offset value of the reduced E-DPCCH is sent to the UE, so that the E-DPCCH is normally demodulated, and the left cell HSUPA transmission reaches a normal working state.
  • the target compensation level of the left cell E-DPCCH receiving signal to interference ratio may be a level at which the E-DPCCH receiving signal to interference ratio reaches a normal working level, and the RNC decreases the E-D according to the target compensation level of the left cell E-DPCCH receiving signal to interference ratio.
  • the manner of the power offset value of the DPCCH is similar to the manner in which the RNC reduces the power offset value of the data channel according to the target compensation level of the left-cell DPCCH receiving signal-to-interference ratio, and details are not described herein again.
  • the RNC reduces the power offset value of the E-DPCCH according to the target compensation level of the left cell E-DPCCH receiving signal to interference ratio, including but not limited to:
  • the RNC determines the power offset difference of the E-DPCCH according to the target compensation level of the left cell E-DPCCH receiving signal to interference ratio
  • the power offset value of the E-DPCCH is lowered according to the power offset difference of the E-DPCCH and the original power offset value of the E-DPCCH configured for the UE.
  • the power offset value of the reduced data channel needs to be sent to the UE, and the reduced power offset value of the HS-DPCCH and/or the power of the reduced E-DPCCH need to be sent to the UE.
  • the offset value different configuration signaling may be used for transmission, but in order to reduce the additional signaling configuration process, the signaling processing overhead is reduced, and the risk of dropped calls of the cell edge user is reduced.
  • HetNet Heterogeneous Network
  • the scheme mainly uses the inter-frequency networking technology.
  • the user interference of the macro micro-interval is basically negligible.
  • the inter-frequency networking needs to consume more frequency band resources. If the HetNet co-frequency networking is used, no additional frequency band is needed. Therefore, the HetNet co-frequency networking has become a hot research topic.
  • the biggest problem with HetNet co-frequency networking is that macro-micro interference is severe.
  • the embodiment and the foregoing embodiments provide The methods can be applied to HetNet co-frequency networking.
  • the method provided in this embodiment is also applicable to the macro macro network.
  • the embodiment provides The specific scenarios applied by the method are limited.
  • the method provided in this embodiment is to determine, by the network side device, that the UE having the at least two uplinks reduces the new power offset value of the data channel after the uplink signal quality of the first cell meets the preset condition, and reduces The power offset value of the subsequent data channel is sent to the UE, so as to achieve the uplink DPCCH reception signal-to-interference ratio of the first cell under the premise that the uplink OLPC algorithm converges and the QoS control of the data channel is at a fixed level, thereby implementing soft handover.
  • the uplink and downlink are balanced to provide a better data transmission service for the UE.
  • the HS-DPCCH is normally demodulated, and the HSDPA throughput rate is passed.
  • the power offset value of the reduced E-DPCCH is configured for the UE, so that the E-DPCCH receives the signal-to-interference ratio close to or reaches the level required for normal operation, and can be normally demodulated, thereby ensuring the uplink receiving low-interference ratio of the cell with its HSUPA The transmission can also be approached or brought to a normal working state.
  • the present embodiment provides a network side device, which is used to perform the communication method provided in the first embodiment and the second embodiment.
  • the device includes:
  • the determining module 51 is configured to determine that the uplink signal quality of the UE in the first cell that has at least two uplinks meets a preset condition
  • the processing module 52 is configured to reduce a power offset value of the data channel;
  • the sending module 53 is configured to send the power offset value of the reduced data channel obtained by the processing module 52 to the UE.
  • the determining module 51 is specifically configured to determine that the uplink signal quality of the UE in the first cell is less than the first threshold; or determine the uplink signal quality of the UE in the first cell and the uplink of the UE in other cells. The difference in signal quality reaches a second threshold.
  • the processing module 52 is specifically configured to reduce the power offset value of the data channel according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio.
  • the processing module 52 specifically includes:
  • a first processing unit 521 configured to reduce a power offset value of the uplink DPDCH according to a target compensation level of the first cell DPCCH receiving a signal to interference ratio
  • the second processing unit 522 is configured to reduce the power offset value of the uplink E-DPDCH according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio.
  • the second processing unit 522 is specifically configured to reduce the reference PO value corresponding to the reference E-TFCI according to the target compensation level of the first cell DPCCH receiving the signal to interference ratio, and/or according to the first cell.
  • the target compensation level of the DPCCH received signal to interference ratio reduces the new HARQ PO value for each MAC-d flow.
  • the processing module 52 is specifically configured to determine, according to a target compensation level of the received signal to interference ratio of the first cell DPCCH, a power offset difference of the data channel; according to a power offset difference of the data channel and a data channel configured for the UE The original power offset value reduces the power offset value of the data channel.
  • the processing module 52 is further configured to reduce the power offset value of the HS-DPCCH according to the target compensation level of the first cell HS-DPCCH receiving signal to interference ratio;
  • the sending module 53 is further configured to send, to the UE, a power offset value of the reduced HS-DPCCH obtained by the processing module 52.
  • the processing module 52 is specifically configured to receive a signal to interference ratio according to the first cell HS-DPCCH.
  • the target compensation level determines the power offset difference of the HS-DPCCH; and reduces the power offset value of the HS-DPCCH according to the power offset difference of the HS-DPCCH and the original power offset value of the HS-DPCCH configured for the UE.
  • the processing module 52 is further configured to reduce the power offset value of the E-DPCCH according to the target compensation level of the first cell E-DPCCH receiving the signal to interference ratio;
  • the sending module 53 is further configured to send, to the UE, a power offset value of the reduced E-DPCCH obtained by the processing module 52.
  • the processing module 52 is specifically configured to determine a power offset difference of the E-DPCCH according to a target compensation level of the first cell E-DPCCH receiving signal to interference ratio; and configure the UE according to the power offset difference of the E-DPCCH
  • the original power offset value of the E-DPCCH reduces the power offset value of the E-DPCCH.
  • the network-side device provided in this embodiment may be an RNC or a network-side device. This embodiment does not limit the specific form of the network-side device.
  • the device provided in this embodiment reduces the power offset value of the data channel and determines the reduced data channel by determining that the uplink signal quality of the first cell of the UE that has at least two uplinks meets the preset condition.
  • the power offset value is sent to the UE, so as to achieve the uplink DPCCH receiving signal-to-interference ratio of the first cell to the target compensation level under the premise that the uplink OLPC algorithm converges and the QoS control of the data channel is at a fixed level, thereby implementing soft handover.
  • the uplink and downlink quality balance of the time thereby providing a better data transmission service for the UE; in addition, by configuring the reduced power offset of the HS-DPCCH for the UE, the HS-DPCCH is normally demodulated, and the HSDPA throughput rate is normal; By configuring the reduced power offset value of the E-DPCCH for the UE, the E-DPCCH receiving signal-to-interference ratio is close to or at a level required for normal operation, and can be normally demodulated, thereby ensuring that the uplink receiving signal-to-interference ratio is low.
  • the HSUPA transmission can also be approached or brought to normal operation.
  • the embodiment provides a communication system, which includes the network side device provided in the foregoing third embodiment.
  • the system provided in this embodiment determines, by the network side device, that the UE having at least two uplinks reduces the power offset of the data channel after the uplink signal quality of the first cell meets a preset condition. And transmitting the power offset value of the reduced data channel to the UE, so as to raise the uplink DPCCH reception signal to the first cell under the premise that the uplink OLPC algorithm converges and the QoS control of the data channel is at a fixed level The target compensation level, thereby achieving uplink and downlink balance during soft handover, thereby providing a better data transmission service for the UE; in addition, by configuring the UE to be reduced
  • the power offset value of the HS-DPCCH is such that the HS-DPCCH is normally demodulated and the HSDPA throughput rate is normal.
  • the E-DPCCH receiving signal-to-interference ratio is close to or normal.
  • the level required for the work can be demodulated normally, so as to ensure that the HSUPA transmission of the cell with low uplink signal to interference ratio can be close to or reach the normal working state.
  • the internal structure of the device is divided into different functional modules to perform all or part of the functions described above.
  • the network side device, the communication system, and the communication method embodiment provided by the foregoing embodiments are in the same concept.
  • the specific implementation process refer to the method embodiment, and details are not described herein again.
  • the storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

本发明公开了一种通信方法、设备及系统，属于通信领域。方法包括：网络侧设备确定存在至少两条上行链路的UE在第一小区的上行链路信号质量满足预设条件；网络侧设备降低数据信道的功率偏置值，并将降低后的数据信道的功率偏置值发送给UE。本发明通过网络侧设备确定存在至少两条上行链路的UE在第一小区的上行链路信号质量满足预设条件后，降低数据信道的功率偏置值，并将降低后的数据信道的功率偏置值发送给UE，实现在上行OLPC算法收敛使得数据信道的QoS控制在固定水平的前提下，抬升第一小区的上行DPCCH接收信干比，进而实现上下行链路质量的平衡，从而为UE提供更好的数据传输服务。

Description

通信方法、 设备及系统
本申请要求于 2012年 6月 29日提交中国专利局、 申请号为
201210222857.9、 发明名称为 "通信方法、 设备及系统" 的中国专利申请的优 先权， 全部内容通过引用结合在本申请中。 技术领域
本发明涉及通信领域， 特别涉及一种通信方法、 设备及系统。 背景技术
为了保证处于通信状态的 UE ( User Equipment, 用户设备 ) 能够在移动 的情况下享受无中断的服务， 切换技术应用而生。 在通信网络中， 切换技术 分为软切换和硬切换两种。 其中， 硬切换是指同一时间仅有一条无线链路与 UE相连， 而软切换则指同一时间有多条无线链路与 UE相连。 针对 UE处于 两个同频小区的软切换区域场景， 一般情况下， UE接收到两个小区的下行导 频信号的质量相当，但 UE到这两个小区的上行接收信干比却可能出现较大差 异， 即对于上行接收信干比低的小区其上下行的链路质量很不平衡， 致使这 条下行链路质量较好的链路其上行解调性能恶化、 甚至出现上行失步， 此时 用户会因为这条链路无法提供正常的上行通信服务而影响其上下行吞吐率， 从而影响用户感受。
在解决软切换时的上下行链路不平衡问题时， 目前的现有通信方法主要 是对上行接收信干比高的小区进行 "去敏" ， 即增加该小区的上行底噪， 此 时可以降低 UE到该小区的上行接收信干比，使得 UE到两个小区的上行接收 信干比尽可能相等， 从而实现上行接收信干比低小区的上下行链路质量的平 衡。
在实现本发明的过程中， 发明人发现现有技术至少存在以下问题： 由于现有通信方法在解决软切换时的上下行链路不平衡问题时， 釆用的 方式主要是增加上行接收信干比高的小区的上行底噪， 因而该小区的上行 RTWP ( Received Total Wideband Power , 宽带总接收功率）也将随之增加， 此时对其他小区的邻区干扰也会随之增加， 严重时会降低本小区及周围小区 的上行容量和上行覆盖， 并导致掉话率等主要网络性能的恶化。 发明内容
有鉴于此， 本发明实施例提供了一种通信方法、 设备及系统， 以解决软 切换时的上下行链路不平衡引发的问题。 所述技术方案如下：
一方面， 提供了一种通信方法， 所述方法包括：
网络侧设备确定存在至少两条上行链路的用户设备 UE在第一小区的上 行链路信号质量满足预设条件；
所述网络侧设备降低数据信道的功率偏置值， 并将降低后的所述数据信 道的功率偏置值发送给所述 UE。 一小区的上行链路信号质量满足预设条件， 具体包括：
所述网络侧设备确定所述 UE在所述第一小区的上行链路信号质量小于 第一阔值； 或者，
所述网络侧设备确定所述 UE在所述第一小区的上行链路信号质量与所 述 UE在其他小区的上行链路信号质量的差值达到第二阔值。
可选地， 所述网络侧设备降低数据信道的功率偏置值， 具体包括： 所述网络侧设备根据所述第一小区专用物理控制信道 DPCCH接收信干 比的目标补偿水平降低数据信道的功率偏置值。
可选地，所述网络侧设备根据所述第一小区专用物理控制信道 DPCCH接 收信干比的目标补偿水平降低数据信道的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平 降低上行专用物理数据信道 DPDCH的功率偏置值， 和 /或， 所述网络侧设备 根据所述第一小区 DPCCH接收信干比的目标补偿水平降低上行增强专用物 理数据信道 E-DPDCH的功率偏置值。
可选地，所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补 偿水平降低上行增强专用物理数据信道 E-DPDCH的功率偏置值， 包括： 所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平 降低参考增强传输格式组合标识符 E-TFCI对应的参考功率偏置 PO值， 和 / 或，所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平降 低每个介质访问控制 MAC-d流的混合自动请求重传功率偏置 HARQ PO值。
可选地，所述网络侧设备根据所述第一小区专用物理控制信道 DPCCH接 收信干比的目标补偿水平降低数据信道的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平 确定数据信道的功率偏置差值；
根据所述数据信道的功率偏置差值及为所述 UE配置的所述数据信道的 原功率偏置值降低所述数据信道的功率偏置值。
可选地， 所述方法还包括：
所述网络侧设备根据所述第一小区高速专用物理控制信道 HS-DPCCH接 收信干比的目标补偿水平降低所述 HS-DPCCH的功率偏置值， 并将降低后的 所述 HS-DPCCH的功率偏置值发送给所述 UE。
可选地， 所述网络侧设备根据所述第一小区高速专用物理控制信道
HS-DPCCH接收信干比的目标补偿水平降低所述 HS-DPCCH的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 HS-DPCCH接收信干比的目标补偿水 平确定 HS-DPCCH的功率偏置差值；
根据所述 HS-DPCCH的功率偏置差值及为所述 UE配置的所述
HS-DPCCH的原功率偏置值降低所述 HS-DPCCH的功率偏置值。
可选地， 所述方法还包括：
所述网络侧设备根据所述第一小区增强专用物理控制信道 E-DPCCH接 收信干比的目标补偿水平降低所述 E-DPCCH的功率偏置值，并将降低后的所 述 E-DPCCH的功率偏置值发送给所述 UE。
可选地， 所述网络侧设备根据所述第一小区增强专用物理控制信道
E-DPCCH接收信干比的目标补偿水平降低所述 E-DPCCH的功率偏置值， 包 括：
所述网络侧设备根据所述第一小区 E-DPCCH接收信干比的目标补偿水 平确定所述 E-DPCCH的功率偏置差值； 根据所述 E-DPCCH的功率偏置差值及为所述 UE配置的所述 E-DPCCH 的原功率偏置值降低所述 E-DPCCH的新功率偏置值。
另一方面， 还提供了一种网络侧设备， 所述设备包括：
确定模块，用于确定存在至少两条上行链路的用户设备 UE在第一小区的 上行链路信号质量满足预设条件；
处理模块， 用于降低数据信道的功率偏置值；
发送模块 , 用于将所述处理模块得到的降低后的数据信道的功率偏置值 发送给所述 UE。
可选地， 所述确定模块，具体用于确定所述 UE在所述第一小区的上行链 路信号质量小于第一阔值； 或者，确定所述 UE在所述第一小区的上行链路信 号质量与所述 UE在其他小区的上行链路信号质量的差值达到第二阔值。
可选地， 所述处理模块， 具体用于根据所述第一小区专用物理控制信道 DPCCH接收信干比的目标补偿水平降低数据信道的功率偏置值。
可选地， 所述处理模块， 具体包括：
第一处理单元，用于根据所述第一小区 DPCCH接收信干比的目标补偿水 平降低上行专用物理数据信道 DPDCH的功率偏置值；
和 /或， 第二处理单元， 用于根据所述第一小区 DPCCH接收信干比的目 标补偿水平降低上行增强专用物理数据信道 E-DPDCH的功率偏置值。
可选地， 所述第二处理单元，具体用于根据所述第一小区 DPCCH接收信 干比的目标补偿水平降低参考增强传输格式组合标识符 E-TFCI对应的参考功 率偏置 PO值，和 /或，根据所述第一小区 DPCCH接收信干比的目标补偿水平 降低每个介质访问控制 MAC-d流的混合自动请求重传功率偏置 HARQ PO 值。
可选地， 所述处理模块，具体用于根据所述第一小区 DPCCH接收信干比 的目标补偿水平确定数据信道的功率偏置差值； 根据所述数据信道的功率偏 置差值及为所述 UE配置的所述数据信道的原功率偏置值降低所述数据信道 的功率偏置值。
可选地， 所述处理模块， 还用于根据所述第一小区高速专用物理控制信 道 HS-DPCCH接收信干比的目标补偿水平降低所述 HS-DPCCH的功率偏置 值；
所述发送模块， 还用于将所述处理模块得到的降低后的所述 HS-DPCCH 的功率偏置值发送给所述 UE。
可选地， 所述处理模块， 具体用于根据所述第一小区 HS-DPCCH接收信 干比的目标补偿水平确定所述 HS-DPCCH的功率偏置差值； 4艮据所述
HS-DPCCH的功率偏置差值及为所述 UE配置的所述 HS-DPCCH的原功率偏 置值降低所述 HS-DPCCH的功率偏置值。
可选地， 所述处理模块， 还用于根据所述第一小区增强专用物理控制信 道 E-DPCCH接收信干比的目标补偿水平降低所述 E-DPCCH的功率偏置值； 所述发送模块，还用于将所述处理模块得到的降低后的所述 E-DPCCH的 功率偏置值发送给所述 UE。
可选地， 所述处理模块， 具体用于根据所述第一小区 E-DPCCH接收信干 比的目标补偿水平确定所述 E-DPCCH的功率偏置差值； 才艮据所述 E-DPCCH 的功率偏置差值及为所述 UE配置的所述 E-DPCCH的原功率偏置值降低所述 E-DPCCH的功率偏置值。
又一方面， 还提供了一种通信系统， 所述系统包括上述任意一种网络侧 设备。
本发明实施例提供的技术方案带来的有益效果是：
通过网络侧设备确定存在至少两条上行链路的 UE在第一小区的上行链 路信号质量满足预设条件后， 降低数据信道的功率偏置值， 并将降低后的数 据信道的功率偏置值发送给 UE, 以实现在上行 OLPC算法收敛使得数据信道 的 QoS控制在固定水平的前提下， 抬升该第一小区的上行 DPCCH接收信干 比，进而实现软切换时的上下行链路平衡，从而为 UE提供更好的数据传输服 务。 附图说明
为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中 所需要使用的附图作简单地介绍， 显而易见地， 下面描述中的附图仅仅是本 发明的一些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的 前提下， 还可以根据这些附图获得其他的附图。
图 1是本发明实施例一提供的一种同频小区软切换区域示意图； 图 2是本发明实施例一提供的数据信道的接收信干比及功率偏置之间的 关系示意图；
图 3是本发明实施例一提供的一种通信方法流程图；
图 4是本发明实施例二提供的一种通信方法流程图；
图 5是本发明实施例三提供的一种网络侧设备的结构示意图；
图 6是本发明实施例三提供的一种处理模块的结构示意图。 具体实施方式
为使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本发 明实施方式作进一步地详细描述。
实施例一
针对图 1所示的软切换场景， 当 UE从导频发射功率高的小区 （以下称 左小区） 向导频发射功率低的小区 （以下称右小区）移动过程中， Α点为两 个小区上行路损相等的点； B点发生软切换 1A事件， SRNC ( Serving Radio Network Controller, 服务无线网络控制器）在右小区建立链路， UE进入软切 换区； C点发生服务小区更新 1D事件， SRNC更新 UE服务小区到右小区； D点发生软切换 1B事件， 即 SRNC删除 UE在左小区下的链路。 当 UE处于 两个同频小区的软切换区域， 即处于 B点到 C点之间时， 一般情况下， UE 接收到两个小区的下行导频信号质量基本相当，但 UE到这两个小区的上行接 收信干比却可能出现较大差异， 即对于上行接收信干比低的小区其上下行的 链路质量很不平衡，致使这条下行链路质量较好的链路其上行 DPCCH解调性 能恶化、 甚至出现上行失步， 此时用户会因为这条链路无法提供正常的上行 通信服务而影响其上下行吞吐率， 从而影响用户感受。
另外， 图 1指示的仅是导致上下行链路不平衡场景的其中一个原因， 即 两个小区的导频 P-CPICH ( Primar-Common Pilot Channel, 主公共导频信道 ) 发射功率相差较大（如 6dB以上） ， 其实还有其他原因也可能导致出现该上 下行链路不平衡场景， 例如两个小区的接收天线数相差较大（如 4天线相对 单天线） 、 或者两个小区的上行底噪相差较大时， UE到这两个小区的上行接 收信干比都可能出现较大差异， 但下行链路质量却基本相当、 甚至还是上行 接收信干比低的小区的下行链路质量更好。
然而， 从图 2所示的数据信道的接收信干比及功率偏置之间的关系示意 图可以看出， 数据信道的接收信干比=0卩 01 ( Dedicated Physical Control Channel, 专用物理控制信道）接收信干比 +数据信道的功率偏置。 在用户数据 的速率没有变化的前提下， 由于 OLPC ( Outer Loop Power Control, 外环功率 控制 )算法的正常作用， 用户的 QoS ( Quality of Service, 服务质量 ) 总能得 到平稳的控制， 例如， 周期性监测 MAC ( Media Access Control, 介质访问控 制） -es/MAC-e PDU ( Protocol Data Unit, 数据协议单元）的 NHR ( Number of HARQ Retransmissions,平均重传次数），以动态调整 SIR( Signal to Interference Ratio, 信号干扰比） 目标值， 保证业务的平均重传次数总是收敛于 "目标重 传次数" ， 从而使得数据信道的接收信干比总是稳定在一个固定的水平， 故 此时降低数据信道的功率偏置， 可以在数据信道接收信干比基本不变的前提 下升高 DPCCH接收信干比， 从而提高 DPCCH SIR水平， 使上下行链路能够 保持平衡。
结合上述分析， 针对图 1所示的软切换场景， 本实施例提供了一种通信 方法， 为了便于说明， 本实施例及后续实施例将上行接收信干比低的小区称 为第一小区， 在 R99中， 该第一小区即为与 UE建立了上行链路， 且上行链 路信号质量差的小区， 对于 HSDPA, 该第一小区为服务小区。 参见图 3 , 本 实施例提供的方法流程具体如下：
301 : 网络侧设备确定存在至少两条上行链路的 UE在第一小区的上行链 路信号质量满足预设条件；
其中， 本实施例不对具体的预设条件进行限定， 网络侧设备确定存在至 少两条上行链路的 UE在第一小区的上行链路信号质量满足预设条件，包括但 不限于：
网络侧设备确定 UE在第一小区的上行链路信号质量小于第一阔值； 或 者，
网络侧设备确定 UE在第一小区的上行链路信号质量与 UE在其他小区的 上行链路信号质量的差值达到第二阔值。
需要说明的是，上述其他小区指与 UE建立了上行链路的小区中除第一小 区之外的小区。
302: 网络侧设备降低数据信道的功率偏置值， 并将降低后的数据信道的 功率偏置值发送给 UE。
其中， 网络侧设备降低数据信道的功率偏置值， 包括但不限于： 网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平降低数据 信道的功率偏置值。
进一步地，网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平 降低数据信道的功率偏置值， 包括但不限于：
网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平降低上行 DPDCH的功率偏置值， 和 /或， 网络侧设备根据第一小区 DPCCH接收信干比 的目标补偿水平降低上行 E-DPDCH的功率偏置值。
其中，网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平降低 上行 E-DPDCH的功率偏置值， 包括但不限于：
网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平降低参考 E-TFCI(Enhanced- Transport Format Combination Indicator, 传输格式组合标识 符)对应的参考 PO ( Power offset, 功率偏置）值， 和 /或， 网络侧设备根据第 一小区 DPCCH接收信干比的目标补偿水平降低每个 MAC-d流的新 HARQ P0值。
可选地，网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平降 低数据信道的新功率偏置值， 包括但不限于：
网络侧设备根据第一小区 DPCCH接收信干比的目标补偿水平确定数据 信道的功率偏置差值；
根据数据信道的功率偏置差值及为 UE配置的数据信道的原功率偏置值 降低数据信道的功率偏置值。
进一步地， 针对图 1所示的场景， 如果接收信干比低的小区恰恰还是 HSDPA ( High Speed Downlink Packet Access, 高速下行分组接入 )服务小区， 则因为 HS-DPCCH ( High Speed- Dedicated Physical Control Channel, 高速专 用物理控制信道 )接收信干比严重不足导致其解调严重恶化，从而出现 HSDPA 下行吞吐率急剧下降的现象。 为此， 本实施例提供的方法还包括：
网络侧设备根据第一小区 HS-DPCCH接收信干比的目标补偿水平降低 HS-DPCCH的功率偏置值， 并将降低后的 HS-DPCCH的功率偏置值发送给 UE, 以使 HS-DPCCH正常解调。
其中， 网络侧设备根据第一小区 HS-DPCCH接收信干比的目标补偿水平 降低 HS-DPCCH的功率偏置值， 包括但不限于：
网络侧设备根据第一小区 HS-DPCCH接收信干比的目标补偿水平确定 HS-DPCCH的功率偏置差值；
根据 HS-DPCCH的功率偏置差值及为 UE配置的 HS-DPCCH的原功率偏 置值降低 HS-DPCCH的功率偏置值。
进一步地， 对于上行 HSUPA链路， 为了使上行接收信干比低的小区
HSUPA传输能够接近或达到正常工作的状态， 本实施例提供的方法还包括： 网络侧设备根据第一小区 E-DPCCH接收信干比的目标补偿水平降低
E-DPCCH的功率偏置值， 并将降低后的 E-DPCCH的功率偏置值发送给 UE , 以使 E-DPCCH正常解调， 从而使第一小区 HSUPA传输达到正常工作状态。
其中，网络侧设备根据第一小区 E-DPCCH接收信干比的目标补偿水平降 低 E-DPCCH的功率偏置值， 包括但不限于：
网络侧设备根据第一小区 E-DPCCH接收信干比的目标补偿水平确定
E-DPCCH的功率偏置差值；
根据 E-DPCCH的功率偏置差值及为 UE配置的 E-DPCCH的原功率偏置 值降低 E-DPCCH的功率偏置值。
需要说明的是， 本实施例提供的方法可以通过 UE进入如图 1所示的 B 点到 C点之间的区域的标志性事件来触发， 例如， 通过 1A、 或 1B、 或 1C、 或 1D等软切换事件触发； 也可以通过一些网络侧已有的重配置事件来触发， 例如， 通过业务增删或修改等重配置事件触发； 还可以周期性触发， 例如， 周期性判断左右两个小区固有的上行链路信干比差异， 该上行链路信干比差 异主要体现在通过左右两个小区的下行 CPICH ( Common Pilot Channel, 公共 导频信道）发射功率差来表征的上行路径损耗的差异、 左右两个小区的接收 天线个数差异、 左右两个小区的底噪差异等， 如果差异很小则说明该上行链 路的平衡问题并不严重， 如果差异很大则触发执行本实施例提供的通信方法。
除上述例举的几种触发执行本实施例提供的通信方法的方式外， 还可以 有其他触发方式， 本实施例不对具体的触发方式进行限定。
本实施例提供的方法， 通过网络侧设备确定存在至少两条上行链路的 UE 在第一小区的上行链路信号质量满足预设条件后， 降低数据信道的功率偏置 值， 并将降低后的数据信道的功率偏置值发送给 UE, 以实现在上行 OLPC算 法收敛使数据信道的 QoS控制在固定水平的前提下， 抬升该第一小区的上行 DPCCH接收信干比， 进而实现软切换时的上下行链路质量的平衡， 从而为 UE提供更好的数据传输服务； 另夕卜，通过为 UE配置降低后的 HS-DPCCH的 功率偏置值， 使 HS-DPCCH正常解调， HSDPA吞吐率正常； 通过为 UE配置 降低后的 E-DPCCH的功率偏置值， 使 E-DPCCH接收信干比接近或达到正常 工作所需的水平， 能够正常解调，从而保证第一小区其 HSUPA传输也能接近 或达到正常工作的状态。
为了更加清楚地阐述上述实施例提供的方法， 结合上述内容， 以如下实 施例二为例， 对软切换时的上行链路方法进行举例说明， 详见如下实施例二： 实施例二
本实施例提供了一种通信方法， 结合上述实施例一的内容， 无论通过哪 种方式触发执行本实施例提供的方法， 针对图 1所示的软切换场景， 由于 UE 到两个小区的上行接收信干比可能出现较大差异， 即对于上行接收信干比低 的小区其上下行的链路质量很不平衡， 致使这条下行链路质量较好的链路其 上行 DPCCH解调性能恶化、甚至出现上行失步， 此时用户会因为这条链路无 法提供正常的上行通信服务而影响其上下行吞吐率， 从而影响用户感受。 而 通过图 2所示的数据信道的接收信干比及功率偏置之间的关系示意图可以看 出， 数据信道的接收信干比 DPCCH接收信干比 +数据信道的功率偏置， 则本 实施例提供的方法在未消除左右两个小区的上行接收信干比差异的情况下， 通过降低上行数据信道相对 DPCCH的功率偏置来达到抬高上行 DPCCH信干 比的目的，使两个小区的 DPCCH信干比都会获得相同幅度的抬升，进而避免 上行接收信干比低的小区出现上行 DPCCH解调性能恶化甚至上行失步，实现 软切换时的上下行链路的平衡。
为了便于说明，本实施例以图 1所示的软切换场景下，网络侧设备为 RNC ( Radio Network Controller, 无线网络控制器） ， 软切换时上行接收信干比低 的小区为左小区为例， 对本实施例提供的通信方法进行详细地解释说明。 参 见图 4, 本实施例提供的方法流程具体如下：
401 : RNC确定存在至少两条上行链路的 UE在左小区的上行链路信号质 量满足预设条件；
具体地， RNC确定存在至少两条上行链路的 UE在左小区的上行链路信 号质量满足预设条件的方式包括但不限于：
RNC确定 UE在第一小区的上行链路信号质量小于第一阔值； 或者，
RNC确定 UE在第一小区的上行链路信号质量与 UE在其他小区的上行 链路信号质量的差值达到第二阔值。
其中， 第一阔值和第二阔值可根据实际情况进行设定， 本实施例不对第 一阔值及第二阔值的具体大小进行限定。
402: RNC根据左小区 DPCCH接收信干比的目标补偿水平确定数据信道 的功率偏置差值；
针对该步骤，通过降低上行数据信道相对 DPCCH的功率偏置来达到抬高 上行 DPCCH信干比的目的时，对于上行接收信干比原本正好的右小区，此时 抬高上行 DPCCH信干比会使右小区上行功率浪费，从而抬升右小区的 RTWP 并影响其上行容量。 故左小区的 DPCCH SIR水平不宜抬升到与右小区当前 DPCCH SIR相同的水平， 仅需保证上行接收信干比低的左小区不出现 RL ( Radio Link, 无线链路） 失步即可达到目的， 则左小区 DPCCH接收信干比 的目标补偿水平可以为左小区不出现 RL失步时的最低 DPCCH SIR水平， 最 高可以补偿到正常数据解调时所需的 DPCCH SIR水平，因此，左小区 DPCCH 接收信干比的目标补偿水平可以在左小区不出现 RL失步时的最低 DPCCH SIR水平及正常数据解调时所需的 DPCCH SIR水平之间， 本实施例不对左小 区 DPCCH接收信干比的具体目标补偿水平进行限定。无论左小区 DPCCH接 收信干比的目标补偿水平具体为多少，该左小区 DPCCH接收信干比的目标补 偿水平与该左小区当前的 DPCCH接收信干比水平之间的差值即可被确定为 数据信道的功率偏置差值。 则该步骤具体可分为如下三种情况：
第一种情况： 如果数据信道为上行 DPDCH, 则该步骤需要根据左小区 DPCCH接收信干比的目标补偿水平确定上行 DPDCH的功率偏置差值， 即将 左小区 DPCCH接收信干比的目标补偿水平与左小区当前的 DPCCH接收信干 第二种情况： 如果数据信道为上行 E-DPDCH, 则该步骤需要根据左小区 DPCCH接收信干比的目标补偿水平确定上行 E-DPDCH的功率偏置差值， 即 将左小区 DPCCH接收信干比的目标补偿水平与左小区当前的 DPCCH接收信 干比水平之间的差值确定为上行 E-DPDCH的功率偏置差值；
第三种情况： 如果数据信道为上行 DPDCH及上行 E-DPDCH, 则该步骤 需要根据左小区 DPCCH接收信干比的目标补偿水平确定上行 DPDCH的功率 偏置差值及上行 E-DPDCH的功率偏置差值， 即将左小区 DPCCH接收信干比 的目标补偿水平与左小区当前的 DPCCH接收信干比水平之间的差值确定为 上行 DPDCH的功率偏置差值与上行 E-DPDCH的功率偏置差值。该种情况下， 左小区 DPCCH接收信干比的目标补偿水平与左小区当前的 DPCCH接收信干 比水平之间的差值为上行 DPDCH的功率偏置差值与上行 E-DPDCH的功率偏 置差值的总和，而上行 DPDCH的功率偏置差值与上行 E-DPDCH的功率偏置 差值之间的具体分配比例， 本实施例不做具体限定。
针对上述第二种情况和第三种情况， 数据信道为上行 E-DPDCH时， 该 E-DPDCH的功率偏置值可通过参考 PO值来表示， 且为了区分具体为哪个参 考 PO对应的参考 PO值， 还需要通过对应的参考 E-TFCI来标识。 因此， 第 二种情况和第三种情况在根据左小区 DPCCH接收信干比的目标补偿水平确 定 E-DPDCH的功率偏置差值时，可根据左小区 DPCCH接收信干比的目标补 偿水平确定参考 PO差值， 及对应的参考 E-TFCI, 将参考 PO差值作为
E-DPDCH的功率偏置差值。
403: 根据数据信道的功率偏置差值及为 UE配置的数据信道的原功率偏 置值降低数据信道的功率偏置值；
具体地，该步骤在根据数据信道的功率偏置差值及为 UE配置的数据信道 的原功率偏置值降低数据信道的功率偏置值时， 由于上述步骤已经确定了数 据信道的功率偏置差值， 通过将该数据信道的功率偏置差值与该数据信道的 原功率偏置差值合并之后即可得到降低后的数据信道的功率偏置值。
结合数据信道的不同类型， 该步骤具体也可分为如下三种情况： 第一种情况： 如果数据信道为上行 DPDCH, 上述步骤 402确定了上行 DPDCH的功率偏置差值后， 根据上行 DPDCH的功率偏置差值及为 UE配置 的上行 DPDCH的原功率偏置值降低该上行 DPDCH的功率偏置值，即将上行 DPDCH的功率偏置差值与该上行 DPDCH的原功率偏置差值合并之后作为该 步骤得到的降低后的数据信道的功率偏置值；
第二种情况： 如果数据信道为上行 E-DPDCH, 上述步骤 402确定了上行 E-DPDCH的功率偏置差值后， 根据上行 E-DPDCH的功率偏置差值及为 UE 配置的上行 E-DPDCH的原功率偏置值降低该上行 E-DPDCH的新功率偏置 值， 即将上行 E-DPDCH的功率偏置差值与该上行 E-DPDCH的原功率偏置差 值合并之后作为该步骤得到的降低后的数据信道的功率偏置值；
第三种情况： 如果数据信道为上行 DPDCH及上行 E-DPDCH, 上述步骤 402确定了上行 DPDCH的功率偏置差值及上行 E-DPDCH的功率偏置差值后， 将上行 DPDCH的功率偏置差值与该上行 DPDCH的原功率偏置差值合并之后 得到降低后的上行 DPDCH的功率偏置值，将上行 E-DPDCH的功率偏置差值 与该上行 E-DPDCH的原功率偏置差值合并之后得到降低后的上行 E-DPDCH 的功率偏置值， 之后将降低后的上行 DPDCH的功率偏置值及降低后的上行 E-DPDCH的功率偏置值作为该步骤得到的降低后的数据信道的功率偏置值。
针对该步骤中的上述第二种情况和第三种情况， 数据信道为上行
E-DPDCH时， 该降低后的上行 E-DPDCH的功率偏置值可通过参考 PO值来 参考 E-TFCI来标识。 因此， 该步骤中的上述第二种情况和第三种情况在降低 上行 E-DPDCH的功率偏置值时， 可根据参考 PO差值及为 UE分配的原参考 PO值降低参考 PO值， 将降低后的参考 PO值作为降低后的上行 E-DPDCH 的功率偏置值。 其中， 降低后的参考 PO值与为 UE分配的原参考 PO值对应 相同的参考 E-TFCL
404: 将降低后的数据信道的功率偏置值发送给 UE。
针对该步骤，将降低后的数据信道的功率偏置值发送给 UE时，可将降低 后的数据信道的功率偏置值携带在配置信令中发送给 UE, 该配置信令可以有 多种， 包括但不限于已有的 ACTIVE SET UPDATE配置信令、 RADIO BEARER RECONFIGURATION配置信令、 TRANSPORT CHANNEL
RECONFIGURATION配置信令和 PHYSICAL CHANNEL
RECONFIGURATION配置信令等， 当然，还可以选择其他已有的配置信令来 携带降低后的数据信道的功率偏置值 , 或是为本实施例提供的方法扩展一种 新的配置信令来携带降低后的数据信道的功率偏置值， 具体釆用哪种配置信 令来携带该降低后的数据信道的功率偏置值， 本实施例不做具体限定。 在发 送携带了降低后的数据信道的功率偏置值的配置信令时， 具体发送方式可依 据现有的信令发送方式实现， 本实施例对此同样不做具体限定。 UE接收到 RNC为其配置的降低后的数据信道的功率偏置值之后， 可对上行链路起到调 节作用， 以达到软切换时的上下行链路平衡。
进一步地， 针对图 1所示的场景， 如果接收信干比低的小区恰恰还是 HSDPA服务小区， 为了保证左小区的 HSDPA吞吐率正常，使 HS-DPCCH接 收信干比达到正常工作的水平， 本实施例提供的方法还包括：
RNC根据左小区 HS-DPCCH接收信干比的目标补偿水平降低
HS-DPCCH的功率偏置值；
将降低后的 HS-DPCCH的功率偏置值发送给 UE , 以使 HS-DPCCH正常 解调。
其中，左小区 HS-DPCCH接收信干比的目标补偿水平可以为 HS-DPCCH 接收信干比达到正常工作的水平， RNC根据该左小区 HS-DPCCH接收信干比 的目标补偿水平降低该 HS-DPCCH的功率偏置值的方式同 RNC根据左小区 DPCCH接收信干比的目标补偿水平降低数据信道的功率偏置值的方式类似， 此处不再赘述。 该 RNC根据左小区 HS-DPCCH接收信干比的目标补偿水平 降低 HS-DPCCH的功率偏置值的方式， 包括但不限于： RNC根据左小区 HS-DPCCH接收信干比的目标补偿水平确定 HS-DPCCH的功率偏置差值；
根据 HS-DPCCH的功率偏置差值及为 UE配置的 HS-DPCCH的原功率偏 置值降低 HS-DPCCH的功率偏置值。
进一步地， 为了保证左小区 HSUPA传输也能接近或达到正常工作的状 态，使 E-DPCCH接收信干比接近或达到正常工作的状态， 本实施例提供的方 法还包括：
RNC根据左小区 E-DPCCH接收信干比的目标补偿水平降低 E-DPCCH的 功率偏置值；
将降低后的 E-DPCCH的功率偏置值发送给 UE, 以使 E-DPCCH正常解 调， 左小区 HSUPA传输达到正常工作状态。
其中， 左小区 E-DPCCH接收信干比的目标补偿水平可以为 E-DPCCH接 收信干比达到正常工作的水平， RNC根据该左小区 E-DPCCH接收信干比的 目标补偿水平降低该 E-DPCCH的功率偏置值的方式同 RNC根据左小区 DPCCH接收信干比的目标补偿水平降低数据信道的功率偏置值的方式类似， 此处不再赘述。 该 RNC根据左小区 E-DPCCH接收信干比的目标补偿水平降 低 E-DPCCH的功率偏置值的方式， 包括但不限于：
RNC根据左小区 E-DPCCH接收信干比的目标补偿水平确定 E-DPCCH的 功率偏置差值；
根据 E-DPCCH的功率偏置差值及为 UE配置的 E-DPCCH的原功率偏置 值降低 E-DPCCH的功率偏置值。
需要说明的是， 针对 RNC既需要向 UE发送降低后的数据信道的功率偏 置值， 也需要向 UE发送降低后的 HS-DPCCH的功率偏置值和 /或降低后的 E-DPCCH的功率偏置值的情况下， 可分别釆用不同的配置信令进行发送， 但 为了减少额外的信令配置过程， 从而降低信令处理开销， 降低小区边缘用户 的掉话风险， 可尽量在一个信令流程中完成降低后的数据信道的功率偏置值、 降低后的 HS-DPCCH的功率偏置值及降低后的 E-DPCCH的功率偏置值的发 送流程， 具体釆用哪种发送方式， 本实施例对此不作具体限定。
另夕卜， 由于一般情况下， HetNet ( Heterogeneous Network, 立体异构解决 方案）主要釆用异频组网技术， 此时宏微小区间的用户干扰基本可以忽略。 然而异频组网需要消耗更多的频带资源， 如果进行 HetNet同频组网则无需消 耗额外的频带， 故 HetNet同频组网成为目前研究的热点。 不过， HetNet同频 组网最大的问题是宏微干扰严重。 当 UE处于宏微小区的软切换区时， 虽然 UE接收到宏微小区的下行导频信号质量相当， 但宏微小区导频发射功率相差 比较大（如 6dB或者 13dB ) , 导致切换区上行链路的路损相差较大， 于是上 下行链路出现严重的不平衡， 此时宏小区容易出现上行失步、 或 HS— DPCCH 解调严重恶化等现象， 因此， 本实施例及上述实施例提供的方法均可适用于 HetNet同频组网。 除此之外， 由于宏宏组网也存在类似问题， 因而本实施例 提供的方法同样适用于宏宏组网， 当然， 除 HetNet同频组网及宏宏组网外， 本实施例提供的方法所应用的具体场景进行限定。
本实施例提供的方法， 通过网络侧设备确定存在至少两条上行链路的 UE 在第一小区的上行链路信号质量满足预设条件后， 降低数据信道的新功率偏 置值， 并将降低后的数据信道的功率偏置值发送给 UE, 以实现在上行 OLPC 算法收敛使数据信道的 QoS控制在固定水平的前提下， 抬升该第一小区的上 行 DPCCH接收信干比， 进而实现软切换时的上下行链路平衡， 从而为 UE提 供更好的数据传输服务； 另外， 通过为 UE配置降低后的 HS-DPCCH的功率 偏置值， 使 HS-DPCCH正常解调， HSDPA吞吐率； 通过为 UE配置降低后的 E-DPCCH的功率偏置值， 使 E-DPCCH接收信干比接近或达到正常工作所需 的水平， 能够正常解调，从而保证上行接收信干比低的小区其 HSUPA传输也 能接近或达到正常工作的状态。 实施例三
本实施例提供了一种网络侧设备， 该设备用于执行上述实施例一及实施 例二提供的通信方法， 参见图 5, 该设备包括：
确定模块 51 , 用于确定存在至少两条上行链路的 UE在第一小区的上行 链路信号质量满足预设条件；
处理模块 52, 用于降低数据信道的功率偏置值； 发送模块 53 ,用于将处理模块 52得到的降低后的数据信道的功率偏置值 发送给 UE。
其中， 确定模块 51 , 具体用于确定 UE在第一小区的上行链路信号质量 小于第一阔值； 或者， 确定 UE在第一小区的上行链路信号质量与 UE在其他 小区的上行链路信号质量的差值达到第二阔值。
处理模块 52, 具体用于根据第一小区 DPCCH接收信干比的目标补偿水 平降低数据信道的功率偏置值。
处理模块 52降低数据信道的功率偏置值的方式具体可参见上述实施例二 中步骤 402至步骤 403的相关描述， 此处不再赘述。 发送模块 53将降低后的 数据信道的功率偏置值发送给 UE的方式详见上述实施例二中步骤 404的相关 描述， 此处不再赘述。
可选地，结合上述实施例二中步骤 402至步骤 403的相关描述，参见图 6, 处理模块 52, 具体包括：
第一处理单元 521 , 用于根据第一小区 DPCCH接收信干比的目标补偿水 平降低上行 DPDCH的功率偏置值；
和 /或，第二处理单元 522,用于根据第一小区 DPCCH接收信干比的目标 补偿水平降低上行 E-DPDCH的功率偏置值。
其中， 第二处理单元 522, 具体用于根据第一小区 DPCCH接收信干比的 目标补偿水平降低参考 E-TFCI对应的参考 PO值， 和 /或， 根据第一小区
DPCCH接收信干比的目标补偿水平降低每个 MAC-d流的新 HARQ PO值。
进一步地， 处理模块 52, 具体用于根据第一小区 DPCCH接收信干比的 目标补偿水平确定数据信道的功率偏置差值； 根据数据信道的功率偏置差值 及为 UE配置的数据信道的原功率偏置值降低数据信道的功率偏置值。
可选地， 结合上述实施例二中步骤 404的相关描述， 处理模块 52, 还用 于根据第一小区 HS-DPCCH接收信干比的目标补偿水平降低 HS-DPCCH的功 率偏置值；
发送模块 53 , 还用于将处理模块 52得到的降低后的 HS-DPCCH的功率 偏置值发送给 UE。
进一步地， 处理模块 52, 具体用于根据第一小区 HS-DPCCH接收信干比 的目标补偿水平确定 HS-DPCCH的功率偏置差值；根据 HS-DPCCH的功率偏 置差值及为 UE配置的 HS-DPCCH的原功率偏置值降低 HS-DPCCH的功率偏 置值。
可选地， 结合上述实施例二中步骤 404的相关描述， 处理模块 52, 还用 于根据第一小区 E-DPCCH接收信干比的目标补偿水平降低 E-DPCCH的功率 偏置值；
发送模块 53 , 还用于将处理模块 52得到的降低后的 E-DPCCH的功率偏 置值发送给 UE。
进一步地， 处理模块 52, 具体用于根据第一小区 E-DPCCH接收信干比 的目标补偿水平确定 E-DPCCH的功率偏置差值； 根据 E-DPCCH的功率偏置 差值及为 UE配置的 E-DPCCH的原功率偏置值降低 E-DPCCH的功率偏置值。
需要说明的是， 本实施例提供的网络侧设备具体可以为 RNC, 或是其他 网络侧设备， 本实施例不对网络侧设备的具体形式进行限定。
本实施例提供的设备，通过确定存在至少两条上行链路的 UE在第一小区 的上行链路信号质量满足预设条件后， 降低数据信道的功率偏置值， 并将降 低后的数据信道的功率偏置值发送给 UE, 以实现在上行 OLPC算法收敛使数 据信道的 QoS控制在固定水平的前提下， 抬升该第一小区的上行 DPCCH接 收信干比至目标补偿水平， 进而实现软切换时的上下行链路质量平衡， 从而 为 UE提供更好的数据传输服务； 另外，通过为 UE配置降低后的 HS-DPCCH 的功率偏置， 使 HS-DPCCH正常解调， HSDPA吞吐率正常； 通过为 UE配置 降低后的 E-DPCCH的功率偏置值， 使 E-DPCCH接收信干比接近或达到正常 工作所需的水平，能够正常解调，从而保证上行接收信干比低的小区其 HSUPA 传输也能接近或达到正常工作的状态。 实施例四
本实施例提供了一种通信系统， 该系统包括上述实施例三提供的网络侧 设备。
本实施例提供的系统， 通过网络侧设备确定存在至少两条上行链路的 UE 在第一小区的上行链路信号质量满足预设条件后， 降低数据信道的功率偏置 值， 并将降低后的数据信道的功率偏置值发送给 UE, 实现在上行 OLPC算法 收敛使数据信道的 QoS控制在固定水平的前提下， 抬升该第一小区的上行 DPCCH接收信干比至目标补偿水平， 进而实现软切换时的上下行链路平衡， 从而为 UE提供更好的数据传输服务； 另外， 通过为 UE配置降低后的
HS-DPCCH的功率偏置值， 使 HS-DPCCH正常解调， HSDPA吞吐率正常； 通过为 UE配置降低后的 E-DPCCH的功率偏置值， 使 E-DPCCH接收信干比 接近或达到正常工作所需的水平， 能够正常解调， 从而保证上行接收信干比 低的小区其 HSUPA传输也能接近或达到正常工作的状态。 需要说明的是： 上述实施例提供的网络侧设备在进行通信时， 仅以上述 各功能模块的划分进行举例说明， 实际应用中， 可以根据需要而将上述功能 分配由不同的功能模块完成， 即将设备的内部结构划分成不同的功能模块， 以完成以上描述的全部或者部分功能。 另外， 上述实施例提供的网络侧设备、 通信系统与通信方法实施例属于同一构思， 其具体实现过程详见方法实施例， 这里不再赘述。
上述本发明实施例序号仅仅为了描述， 不代表实施例的优劣。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通 过硬件来完成， 也可以通过程序来指令相关的硬件完成， 的程序可以存储于 一种计算机可读存储介质中， 上述提到的存储介质可以是只读存储器， 磁盘 或光盘等。
以上仅为本发明的较佳实施例， 并不用以限制本发明， 凡在本发明的精 神和原则之内， 所作的任何修改、 等同替换、 改进等， 均应包含在本发明的 保护范围之内。

Claims

权 利 要 求
1、 一种通信方法， 其特征在于， 所述方法包括：
网络侧设备确定存在至少两条上行链路的用户设备 UE在第一小区的上 行链路信号质量满足预设条件；
所述网络侧设备降低数据信道的功率偏置值， 并将降低后的所述数据信 道的功率偏置值发送给所述 UE。
2、 根据权利要求 1所述的方法， 其特征在于， 所述网络侧设备确定存在 至少两条上行链路的用户设备 UE在第一小区的上行链路信号质量满足预设 条件， 具体包括：
所述网络侧设备确定所述 UE在所述第一小区的上行链路信号质量小于 第一阔值； 或者，
所述网络侧设备确定所述 UE在所述第一小区的上行链路信号质量与所 述 UE在其他小区的上行链路信号质量的差值达到第二阔值。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 所述网络侧设备降低 数据信道的功率偏置值， 具体包括：
所述网络侧设备根据所述第一小区专用物理控制信道 DPCCH接收信干 比的目标补偿水平降低数据信道的功率偏置值。
4、 根据权利要求 3所述的方法， 其特征在于， 所述网络侧设备根据所述 第一小区专用物理控制信道 DPCCH接收信干比的目标补偿水平降低数据信 道的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平 降低上行专用物理数据信道 DPDCH的功率偏置值， 和 /或， 所述网络侧设备 根据所述第一小区 DPCCH接收信干比的目标补偿水平降低上行增强专用物 理数据信道 E-DPDCH的功率偏置值。
5、 根据权利要求 4所述的方法， 其特征在于， 所述网络侧设备根据所述 第一小区 DPCCH接收信干比的目标补偿水平降低上行增强专用物理数据信 道 E-DPDCH的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平 降低参考增强传输格式组合标识符 E-TFCI对应的参考功率偏置 PO值， 和 / 或，所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平降 低每个介质访问控制 MAC-d流的混合自动请求重传功率偏置 HARQ PO值。
6、 根据权利要求 3至 5中任一权利要求所述的方法， 其特征在于， 所述 网络侧设备根据所述第一小区专用物理控制信道 DPCCH接收信干比的目标 补偿水平降低数据信道的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 DPCCH接收信干比的目标补偿水平 确定数据信道的功率偏置差值；
根据所述数据信道的功率偏置差值及为所述 UE 配置的所述数据信道的 原功率偏置值降低所述数据信道的功率偏置值。
7、 根据权利要求 3至 6中任一权利要求所述的方法， 其特征在于， 所述 方法还包括：
所述网络侧设备根据所述第一小区高速专用物理控制信道 HS-DPCCH接 收信干比的目标补偿水平降低所述 HS-DPCCH的功率偏置值， 并将降低后的 所述 HS-DPCCH的功率偏置值发送给所述 UE。
8、 根据权利要求 7所述的方法， 其特征在于， 所述网络侧设备根据所述 第一小区高速专用物理控制信道 HS-DPCCH接收信干比的目标补偿水平降低 所述 HS-DPCCH的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 HS-DPCCH接收信干比的目标补偿水 平确定所述 HS-DPCCH的功率偏置差值；
根据所述 HS-DPCCH 的功率偏置差值及为所述 UE 配置的所述 HS-DPCCH的原功率偏置值降低所述 HS-DPCCH的功率偏置值。
9、 根据权利要求 3至 6中任一权利要求所述的方法， 其特征在于， 所述 方法还包括：
所述网络侧设备根据所述第一小区增强专用物理控制信道 E-DPCCH接 收信干比的目标补偿水平降低所述 E-DPCCH的功率偏置值，并将降低后的所 述 E-DPCCH的功率偏置值发送给所述 UE。
10、 根据权利要求 9 所述的方法， 其特征在于， 所述网络侧设备根据所 述第一小区增强专用物理控制信道 E-DPCCH接收信干比的目标补偿水平降 低所述 E-DPCCH的功率偏置值， 包括：
所述网络侧设备根据所述第一小区 E-DPCCH接收信干比的目标补偿水 平确定所述 E-DPCCH的功率偏置差值；
根据所述 E-DPCCH的功率偏置差值及为所述 UE配置的所述 E-DPCCH 的原功率偏置值降低所述 E-DPCCH的功率偏置值。
11、 一种网络侧设备， 其特征在于， 所述设备包括：
确定模块，用于确定存在至少两条上行链路的用户设备 UE在第一小区的 上行链路信号质量满足预设条件；
处理模块， 用于降低数据信道的功率偏置值；
发送模块， 用于将所述处理模块得到的降低后的数据信道的功率偏置值 发送给所述 UE。
12、 根据权利要求 11所述的设备， 其特征在于， 所述确定模块， 具体用 于确定所述 UE在所述第一小区的上行链路信号质量小于第一阔值； 或者，确 定所述 UE在所述第一小区的上行链路信号质量与所述 UE在其他小区的上行 链路信号质量的差值达到第二阔值。
13、 根据权利要求 11或 12所述的设备， 其特征在于， 所述处理模块， 具体用于根据所述第一小区专用物理控制信道 DPCCH接收信干比的目标补 偿水平降低数据信道的功率偏置值。
14、 根据权利要求 13所述的设备， 其特征在于， 所述处理模块， 具体包 括：
第一处理单元，用于根据所述第一小区 DPCCH接收信干比的目标补偿水 平降低上行专用物理数据信道 DPDCH的功率偏置值； 和 /或， 第二处理单元， 用于根据所述第一小区 DPCCH接收信干比的目 标补偿水平降低上行增强专用物理数据信道 E-DPDCH的功率偏置值。
15、 根据权利要求 14所述的设备， 其特征在于， 所述第二处理单元， 具 体用于根据所述第一小区 DPCCH接收信干比的目标补偿水平降低参考增强 传输格式组合标识符 E-TFCI对应的参考功率偏置 PO值， 和 /或， 根据所述第 一小区 DPCCH接收信干比的目标补偿水平降低每个介质访问控制 MAC-d流 的混合自动请求重传功率偏置 HARQ PO值。
16、 根据权利要求 13至 15中任一权利要求所述的设备， 其特征在于， 所述处理模块，具体用于根据所述第一小区 DPCCH接收信干比的目标补偿水 平确定数据信道的功率偏置差值； 根据所述数据信道的功率偏置差值及为所 述 UE配置的所述数据信道的原功率偏置值降低所述数据信道的功率偏置值。
17、 根据权利要求 13至 16中任一权利要求所述的设备， 其特征在于， 所述处理模块， 还用于根据所述第一小区高速专用物理控制信道 HS-DPCCH 接收信干比的目标补偿水平降低所述 HS-DPCCH的功率偏置值；
所述发送模块， 还用于将所述处理模块得到的降低后的所述 HS-DPCCH 的功率偏置值发送给所述 UE。
18、 根据权利要求 17所述的设备， 其特征在于， 所述处理模块， 具体用 于根据所述第一小区 HS-DPCCH 接收信干比的目标补偿水平确定所述 HS-DPCCH的功率偏置差值； 根据所述 HS-DPCCH的功率偏置差值及为所述 UE配置的所述 HS-DPCCH的原功率偏置值降低所述 HS-DPCCH的功率偏置 值。
19、 根据权利要求 13至 15中任一权利要求所述的设备， 其特征在于， 所述处理模块，还用于根据所述第一小区增强专用物理控制信道 E-DPCCH接 收信干比的目标补偿水平降低所述 E-DPCCH的功率偏置值；
所述发送模块，还用于将所述处理模块得到的降低后的所述 E-DPCCH的 功率偏置值发送给所述 UE。
20、 根据权利要求 19所述的设备， 其特征在于， 所述处理模块， 具体用 于根据所述第一小区 E-DPCCH 接收信干比的目标补偿水平确定所述 E-DPCCH的功率偏置差值；根据所述 E-DPCCH的功率偏置差值及为所述 UE 配置的所述 E-DPCCH的原功率偏置值降低所述 E-DPCCH的功率偏置值。
21、 一种通信系统， 其特征在于， 所述系统包括所述权利要求 11至权利 要求 20中任一权利要求所述的网络侧设备。
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