WO2015074618A1 - Procédé de traitement de commande de puissance, équipement d'utilisateur et station de base - Google Patents

Procédé de traitement de commande de puissance, équipement d'utilisateur et station de base Download PDF

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Publication number
WO2015074618A1
WO2015074618A1 PCT/CN2014/092107 CN2014092107W WO2015074618A1 WO 2015074618 A1 WO2015074618 A1 WO 2015074618A1 CN 2014092107 W CN2014092107 W CN 2014092107W WO 2015074618 A1 WO2015074618 A1 WO 2015074618A1
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Prior art keywords
power control
tpc
control command
power
command
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PCT/CN2014/092107
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English (en)
Chinese (zh)
Inventor
杨毅
花梦
焦淑蓉
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华为技术有限公司
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Publication of WO2015074618A1 publication Critical patent/WO2015074618A1/fr

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    • 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
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • 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
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment

Definitions

  • the present invention relates to the field of communications, and in particular, to a power control processing method, a user equipment, and a base station.
  • SINR Signal to Interference plus Noise Ratio
  • SINR-based scheduling scheme is designed to improve the performance of uplink high-rate service users, maintain system stability, and load at high system.
  • a rate adaptation scheme proposed in the case of improving system performance the main idea is to use E (D-DCH: Enhanced Dedicated Channel)-TFC (E-DCH Transport Format Combination, E-DCH).
  • E-DCH Enhanced Dedicated Channel
  • E-DCH Transport Format Combination, E-DCH E-DCH Transport Format Combination, E-DCH
  • the transmission format combination is selected to be separated, and the data rate is adjusted according to the real-time channel condition.
  • the scheme adds SD (SINR difference, signal interference SNR difference) parameters and data channel E-DPDCH (E-DCH Dedicated Physical Data).
  • the transmit power of the Channel, E-DCH dedicated physical data channel is used together to perform E-TFC selection of the data channel, that is, to back off SD based on the actual E-DPDCH transmit power, and then perform
  • an existing inner loop power control loop for tracking a DPCCH (Dedicated Physical Control Channel) SINR is maintained on the basis of the above SINR-based scheduling scheme, and the SINR of the loop is maintained.
  • the setting of the target value is modified to a relatively fixed SINR target (Signal Interference Signal-to-Noise Ratio Target) that guarantees the reception performance of the control channel E-DPCCH (Dedicated Physical Control Channel), thereby forming a 3-loop (three-loop) rate adaptive scheme.
  • SINR target Signal-to-Noise Ratio Target
  • the multiple cells When the UE is in the soft handover area, the multiple cells will estimate the SINR of the uplink pilot channel of the UE and feed back the TPC (Transmit ssion Power Control).
  • the UE first receives the same radio link set.
  • the TPC performs power control command combining, and then combines the power control commands of the TPCs of the respective radio link sets in the active set to obtain the combined TPC commands, and then
  • the DPCCH transmission power is adjusted according to the combined TPC. Therefore, under soft handover, the DPCCH transmit power of the UE is not adjusted according to the TPC command of one cell, but is adjusted by the TPC commands of multiple cells.
  • both the serving cell and the non-serving cell can perform the power control command of the power and the power control command of the power reduction.
  • the UE After receiving multiple TPCs, the UE performs power control commands. After the combination, the adjustment direction of the actual transmission power is judged.
  • the NB where the serving cell is located allocates a certain receiving power budget to the UE of the cell, and maintains the total receiving power of the UE in the vicinity of the budget to provide the UE with a sufficiently high data rate; and for the non-serving NB
  • the receiving power of the UE on the NB belongs to the out-of-cell interference.
  • the non-serving NB only needs to perform overload judgment on the received power of the UE. If the power is too high and the interference to the non-serving cell is too large, the UE is required to reduce the power. If the power is too low, the UE has little interference to the non-serving cell.
  • the non-serving NB sends a power-up command to the UE. However, since the UE power may increase the interference to the non-serving cell, the UE does not need to increase the power.
  • the prior art cannot implement different policies for different cells under soft handover, which causes interference of the UE to the non-serving area.
  • the embodiments of the present invention provide a power control processing method, a user equipment, and a base station, and provide a mechanism for power control processing, which can reduce interference of a UE to a non-serving cell.
  • a method for processing a power control comprising:
  • Obtaining a power control command indication of the active centralized cell where the power control command indication of the serving cell in the active set is used to indicate that the power control command is a power reduction command or a power increase command, and the power of the non-serving cell in the active set
  • the control command indication is used to indicate that the power control command is a power reduction command or a power maintenance command
  • the acquiring, by the active centralized cell, the power control command includes:
  • the power control command received from the serving cell in the active set indicates 1, the power control command is determined to be the power boost command; if the power control command is received from the serving cell in the active set If 0, determining that the power control command is the power reduction command;
  • the power control command received from the non-serving cell in the active set indicates 1, the power control command is determined to be the power maintenance command; if the power control command is received from the non-serving cell in the active set If the indication is 0, determining that the power control command is the power reduction command; or determining that the power control is not received by a non-serving cell in a time slot in which the non-serving cell sends a power control command
  • the command is a command to maintain the power.
  • the power control command according to the active centralized cell indicates to acquire a power control command of the active centralized cell
  • combining the power control commands of the active centralized cell with power control commands, and obtaining the target power control command includes:
  • Corresponding power control command acquisition processing is performed according to the combined power control command and the type of the wireless link set to which the merged power control command belongs, to obtain a target power control command.
  • the performing, according to the combined power control command and the type of the wireless link set to which the merged power control command belongs obtains the target power control command, including:
  • the target power control command acquisition algorithm formula includes:
  • TPC_cmd ⁇ (TPC 1 , TPC 2 , . . . , TPC N ), wherein TPC_cmd represents the target power control command, TPC 1 , TPC 2 , . . . , TPC N respectively correspond to the combined wireless link set 1 to N Power control command, N represents the total number of active centralized wireless link sets, and N is a positive integer, and ⁇ is a preset function;
  • TPC 1 , TPC 2 , . . . , TPC N are both 1, the output of the TPC_cmd is 1;
  • TPC_cmd When any one of TPC 1 , TPC 2 , . . . , TPC N is 0, the output of the TPC_cmd is -1;
  • the output of the TPC_cmd is 1, 0 or -1, wherein the TPC i is 0 or 1 is determined according to the type of the radio link set to which the TPC i belongs and the corresponding metric value, the TPC i Indicates any one of TPC i TPC 1 , TPC 2 , . . . , TPC N , the type of the radio link set includes a service radio link set or a non-serving radio link set; the output of TPC_cmd is 1 indicating the boost power, which is 0. Indicates that power is maintained, and -1 indicates power reduction.
  • metric value of the TPC i is greater than a preset first metric threshold, determining that the TPC i is 1, that is, a power up command;
  • TPC i is a combined power control command for a non-serving wireless link set
  • the metric value of the TPC i is greater than the negative value of the second metric threshold, and the metric value of the TPC i is less than or equal to 0, determining that the TPC i is 1, that is, a power maintenance command;
  • the metric value is less than the negative value of the TPC i metric third threshold, it is determined that the TPC i is 0, that is, reducing the power command;
  • the third metric threshold is greater than the second metric threshold
  • the output of the TPC_cmd is 1, 0 or -1 including:
  • the output of the TPC_cmd is 1, that is, the power up command
  • the output of the TPC_cmd is ⁇ 1, that is, the power reduction command
  • TPC_cmd the output of the TPC_cmd is 0, that is, the power command is maintained
  • the service radio link set is a radio link set in which the serving cell is located, the non-serving radio link set is a radio link set not including the serving cell, and the first metric threshold, the second The metric threshold, the third metric threshold, the fourth metric threshold, and the fifth metric threshold are pre-set and are all positive numbers.
  • the performing, according to the combined power control command and the type of the wireless link set to which the merged power control command belongs includes:
  • the type of the radio link set includes a service radio chain Set or non-service wireless link set;
  • the target power control command is obtained according to all temporary power control commands.
  • the acquiring, according to the M hard decision values corresponding to each radio link set, and the type of each radio link set, The temporary power control commands corresponding to the wireless link set include:
  • radio link set is a serving radio link set
  • the temporary power control command corresponding to the radio link set is 1.
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the wireless link set is a non-serving wireless link set, then:
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the temporary power control command is 1 for the boosted power, 0 is for maintaining power, and -1 is for power reduction.
  • the acquiring the target power control command according to all the temporary power control commands includes:
  • the target power control command acquisition formula includes:
  • TPC_cmd ⁇ (TPC_temp1, TPC_temp2, ..., TPC_tempN), where TPC_cmd represents the target power control command, TPC_temp1, TPC_temp2, ..., TPC_tempN respectively correspond to the temporary power control commands of the wireless link set 1 to N, and N represents the active set.
  • TPC_temp1, TPC_temp2, ..., TPC_tempN is -1, then TPC_cmd is -1, which is a power reduction command;
  • TPC_cmd is 1, which is the power up command
  • TPC_cmd is 0, which is to maintain the power command.
  • a method for processing a power control comprising:
  • the base station of the non-serving cell in the active set of the user equipment determines whether the received power of the user equipment is higher than a preset threshold
  • the base station sends a first power control command indication to the user equipment according to the determination result. If the received power of the user equipment is higher than a preset threshold, the first power control command indicates that the indicated power control command is a power reduction. If the received power of the user equipment is not higher than the preset threshold, the first power control command indicates that the indicated power control command is a power maintenance command, so that the user equipment is according to the first.
  • the power control command indication and the second power control command of the serving cell in the active set indicate that the power control command of the active centralized cell is acquired, and the power control command of the active centralized cell is combined with the power control command to obtain the target power control. command;
  • the second power control command indicates that the indicated power control command is a power down command or a power boost command.
  • the power control command sent by the non-serving cell is indicated as 1, determining that the power control command is the power maintenance command;
  • the power control command sent by the non-serving cell is indicated as 0, and the power control command is determined to be the power lowering command.
  • a user equipment where the user equipment includes:
  • an indication acquiring unit configured to obtain a power control command indication of the active centralized cell, where the power control command indication of the serving cell in the active set is used to indicate that the power control command is a power reduction command or a power increase command, where the activation concentration is The power control command indication of the non-serving cell is used to indicate that the power control command is a power reduction command or a power maintenance command;
  • a command obtaining unit configured to acquire a power control command of the active centralized cell according to a power control command of the active centralized cell, and combine power control commands of the active centralized cell with a power control command to obtain a target power control command.
  • a power control unit configured to adjust a transmit power of the user equipment according to the target power control command.
  • the receiving unit is further include:
  • An identifying unit configured to determine that the power control command is the power boost command if the power control command indication received from the serving cell in the active set is 1, and if received from the serving cell in the active set Determining, by the power control command, that the power control command is the power reduction command;
  • the identifying unit is further configured to: if the power control command indication received from the non-serving cell in the active set is 1, determine that the power control command is the power maintenance command; if not from the active set If the power control command received by the cell is 0, the power control command is determined to be the power reduction command; or the power control command of the non-serving cell is not received in the time slot of the non-serving cell transmitting the power control command. And determining that the power control command is the power maintenance command.
  • the command acquiring unit further includes:
  • a first merging unit configured to acquire a power control command of the active set cell according to a power control command that belongs to the same radio link set cell in the active set, and perform power control on the power control command of the active centralized cell The command merges to obtain the combined power control command;
  • a second merging unit configured to perform a corresponding power control command acquisition process according to the combined power control command and the type of the wireless link set to which the merged power control command belongs, to obtain a target power control command.
  • the second merging unit is specifically configured to:
  • the target power control command acquisition algorithm formula includes:
  • TPC_cmd ⁇ (TPC 1 , TPC 2 , . . . , TPC N ), wherein TPC_cmd represents the target power control command, TPC 1 , TPC 2 , . . . , TPC N respectively correspond to the combined wireless link set 1 to N Power control command, N represents the total number of active centralized wireless link sets, and N is a positive integer, and ⁇ is a preset function;
  • TPC 1 , TPC 2 , . . . , TPC N are both 1, the output of the TPC_cmd is 1;
  • TPC_cmd When any one of TPC 1 , TPC 2 , . . . , TPC N is 0, the output of the TPC_cmd is -1;
  • the output of the TPC_cmd is 1, 0 or -1, wherein the TPC i is 0 or 1 is determined according to the type of the radio link set to which the TPC i belongs and the corresponding metric value, the TPC i Indicates any one of TPC i TPC 1 , TPC 2 , . . . , TPC N , the type of the radio link set includes a service radio link set or a non-serving radio link set; the output of TPC_cmd is 1 indicating the boost power, which is 0. Indicates that power is maintained, and -1 indicates power reduction.
  • the second merging unit is further configured to:
  • TPC i is the combined power control command for the service radio link set
  • metric value of the TPC i is greater than a preset first metric threshold, determining that the TPC i is 1, that is, a power up command;
  • TPC i is a combined power control command for a non-serving wireless link set
  • the metric value of the TPC i is greater than the negative value of the second metric threshold, and the metric value of the TPC i is less than or equal to 0, determining that the TPC i is 1, that is, a power maintenance command;
  • the metric value is less than the negative value of the TPC i metric third threshold, it is determined that the TPC i is 0, that is, reducing the power command;
  • the third metric threshold is greater than the second metric threshold
  • the output of the TPC_cmd is 1, 0 or -1 including:
  • the output of the TPC_cmd is 1, that is, the power up command
  • the output of the TPC_cmd is ⁇ 1, that is, the power reduction command
  • TPC_cmd the output of the TPC_cmd is 0, that is, the power command is maintained
  • the service radio link set is a radio link set in which the serving cell is located, the non-serving radio link set is a radio link set not including the serving cell, and the first metric threshold, the second The metric threshold, the third metric threshold, the fourth metric threshold, and the fifth metric threshold are pre-set and are all positive numbers.
  • the merging unit further includes:
  • a determining unit configured to acquire, according to each merged power control command, a hard decision value corresponding to each merged power control command; after M merge cycles, obtain M hard decisions corresponding to each wireless link set Value; where M ⁇ 2 and M is an integer;
  • a temporary command obtaining unit configured to acquire a temporary power control command corresponding to the radio link set according to the M hard decision values corresponding to each radio link set and the type of each radio link set;
  • the radio link The type of set includes a service radio link set or a non-serving radio link set;
  • a target command obtaining unit configured to acquire the target power control command according to all temporary power control commands.
  • the temporary command obtaining unit is specifically configured to:
  • radio link set is a serving radio link set
  • the temporary power control command corresponding to the radio link set is 1.
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the wireless link set is a non-serving wireless link set, then:
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the temporary power control command is 1 for the boosted power, 0 is for maintaining power, and -1 is for power reduction.
  • the target command acquiring unit is specifically configured to:
  • the target power control command acquisition formula includes:
  • TPC_cmd ⁇ (TPC_temp1, TPC_temp2, ..., TPC_tempN), where TPC_cmd represents the target power control command, TPC_temp1, TPC_temp2, ..., TPC_tempN respectively correspond to the temporary power control commands of the wireless link set 1 to N, and N represents the active set.
  • TPC_temp1, TPC_temp2, ..., TPC_tempN is -1, then TPC_cmd is -1, which is the power reduction command;
  • TPC_cmd is 1, which is the power up command
  • TPC_cmd is 0, which is to maintain the power command.
  • a base station where the base station includes:
  • a determining unit configured to determine whether the receiving power of the user equipment is higher than a preset threshold
  • a sending unit configured to send a first power control command indication to the user equipment according to the determination result, if the receiving power of the user equipment is higher than a preset threshold, the first power control command indicates that the indicated power control command is a power reduction command; if the received power of the user equipment is not higher than the preset threshold, the first power control command indicates that the indicated power control command is a power maintenance command, so that the user equipment is configured according to the Determining, by the first power control command, a second power control command sent by the serving cell in the active set of the user equipment, acquiring a power control command of the active centralized cell, and performing power control on the power control command of the active centralized cell Controlling the command to obtain a target power control command;
  • the base station is a base station where at least one non-serving cell in the active set of the user equipment is located;
  • the second power control command indicates that the indicated power control command is a power down command or a power boost command.
  • the power control command issued by the non-serving cell sent by the sending unit is indicated as 1, determining that the power control command is And a power maintenance command; if the power control command of the non-serving cell sent by the sending unit indicates 0, determining that the power control command is the power reduction command.
  • the present invention provides a power control processing method, a user equipment, and a base station, which first acquires a power control command indication of an active centralized cell, and then, according to a power control command of the active centralized cell, obtains a power control command of the active centralized cell, and activates the centralized cell.
  • the power control command combines the power control commands to obtain the target power control command, and finally adjusts the transmit power of the user equipment according to the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • FIG. 1 is a schematic flowchart of a power control processing method according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a power control processing method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a power control processing method according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a base station according to an embodiment of the present invention.
  • the embodiment of the invention provides a power control processing method, which is based on the user equipment side, as shown in FIG. 1 , the method includes:
  • the user equipment acquires a power control command indication of the active centralized cell, where the power control command indication of the serving cell in the active set is used to indicate that the power control command is a power reduction command or a power increase command, and the power of the centralized non-serving cell is activated.
  • the control command indication is used to indicate that the power control command is a power down command or a power maintenance command.
  • the user equipment obtains a power control command for the active centralized cell according to the power control command of the active centralized cell, and combines the power control commands of the active centralized cell with the power control command to obtain the target power control command.
  • the user equipment adjusts a transmit power of the user equipment according to the target power control command.
  • the invention provides a power control processing method, which first obtains a power control command indication of an active centralized cell, and then obtains a power control command of an active centralized cell according to a power control command of the active centralized cell, and activates a power control command of the active centralized cell.
  • the power control commands are combined to obtain a target power control command, and finally the transmit power of the user equipment is adjusted according to the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the embodiment of the present invention further provides a power control processing method, where the base station is a base station of a non-serving cell in an active set, as shown in FIG. 2, the method includes:
  • the base station of the non-serving cell in the active set of the user equipment determines whether the receiving power of the user equipment is higher than a preset threshold.
  • the base station of the non-serving cell in the active set sends a first power control command indication to the user equipment according to the determination result. If the receiving power of the user equipment is higher than a preset threshold, the first power control command indicates the indicated power control command. If the received power of the user equipment is not higher than the preset threshold, the first power control command indicates that the indicated power control command is a power maintenance command, so that the user equipment indicates and according to the first power control command.
  • the second power control command of the active cell in the active set indicates that the power control command of the active centralized cell is obtained, and the power control command of the active centralized cell is combined to obtain the target power control command.
  • the second power control command indicates that the indicated power control command is a power down command or a power boost command.
  • the present invention provides a power control processing method, in which the base station of the non-serving cell in the active set of the user equipment determines whether the received power of the user equipment is higher than a preset threshold, and sends a first power control command indication to the user equipment according to the judgment result. And causing the user equipment to obtain the power control command of the active centralized cell according to the second power control command of the serving cell in the first power control command indication and the active set, and combine the power control commands of the active centralized cell to obtain the target power. control commands. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the base station of the non-serving cell in the active set of the user equipment determines whether the received power of the user equipment is higher than a preset threshold, and sends a first power control command indication to the user equipment according to the determination result.
  • the channel fading is known to the base station, so the base station can obtain the transmission power corresponding to the user equipment by using the received power of the user equipment and the channel fading of the user equipment.
  • the network device can determine the delivery reduction or maintenance command according to the size of the received power of the user equipment.
  • the first power control command indicates that the indicated power control command is a power reduction command
  • the first power control command indicates that the indicated power control command is a power maintenance command
  • the serving cell in the active set of the user equipment sends a second power control command indication to the user equipment, where the second power control command indicates that the indicated power control command is a power down command or a power boost command, so that the user equipment is configured according to the first power.
  • the control command indication and the second power control command indicate acquisition of a power control command of the active centralized cell.
  • the user equipment acquires a power control command indication that is activated by the centralized cell.
  • the transmit power of the user equipment is not adjusted according to the power control command indication of one cell, but needs to be adjusted according to the power control command indication of multiple cells in the active set, where the active set refers to a certain user equipment.
  • the cells of the active set can be divided into a serving cell and a non-serving cell, where the serving cell is a cell controlled by a base station (serving base station) that provides service for the user equipment, and the non-serving cell does not provide services for the user equipment.
  • the power control command indication includes a first power control command indication and a second power control command indication.
  • each cell in the active set sends a power control command indication to the user equipment in a specific time slot
  • the power control command indication form can be expressed in the form of binary 0 or 1, and of course, other hexadecimal numbers can be used.
  • 1 are merely exemplary and are not limited thereto.
  • binary is taken as an example. among them:
  • the power control command received from the serving cell in the active set indicates 1, the power control command is determined to be a power up command, and the value of the power control command is 1; if the power control command is received from the serving cell in the active set If it is 0, it is determined that the power control command is a power reduction command, and the value of the power control command is -1;
  • the power control command received from the non-serving cell in the active set indicates 1, the power control command is determined to be a power maintenance command, and the value of the power control command is 0; if the power control command is received from the non-serving cell in the active set If the indication is 0, the power control command is determined to be a power reduction command, and the value of the power control command is -1; or, when the power control command of the non-serving cell does not receive the power control command of the non-serving cell, the power is determined.
  • the control command is a power maintenance command, and the value of the power control command is -1.
  • the user equipment obtains a power control command of the active centralized cell according to a power control command that belongs to the active centralized cell, and combines the power control commands of the active centralized cell with the power control command.
  • Target power control command The power control command.
  • the radio link set refers to a set of all radio links established by one base station (Node B) and one user equipment.
  • Each radio link set includes a plurality of cells, and the type of the radio link set includes a service radio link set or a non-serving radio link set.
  • the serving radio link set refers to a radio link set including the user equipment serving cell, and the non-serving radio link set does not include the serving cell of the user equipment.
  • the power of the active set cell is firstly obtained according to the power control command sent by the cell in each radio link set to the user equipment.
  • the control command combines the power control commands of the active centralized cell with the power control commands.
  • the combined power control commands can be represented as TPC 1 , TPC 2 , . . . , TPC N respectively , where N represents the total number of radio link sets in the user equipment activation set, and N is a positive integer, and each combined power control command corresponds to a radio link set.
  • TPC 1 corresponds to radio link set 1
  • TPC 2 corresponds to radio link set 2, and so on.
  • the combined power control commands TPC 1 , TPC 2 , . . . , TPC N and TPC 1 , TPC 2 , . . . , TPC N corresponding to all N radio link sets belong to the radio link set to which the TPC N belongs.
  • determination of the types since the additional reliability to be considered TPC i is 1 or 0, so the combination of TPC i corresponding metric (the measure is a measure of the reliability of TPC i is 0 or 1, TPC i corresponding metrics It is determined by the user equipment using the channel estimation and the received TPC-bearing symbols to determine the values of TPC 1 , TPC 2 , . . . , TPC N.
  • the specific manner is as follows:
  • TPC i is the combined power control command for the service radio link set
  • the metric value of the TPC i is greater than 0, it is determined that the TPC i is 1, that is, the power up command;
  • the metric of the TPC i is greater than the preset first metric threshold (which can be expressed as Threshold_reliable1), it is determined that the TPC i is reliably 1, that is, a reliable power up command;
  • TPC i If the metric value of TPC i is less than 0, it is determined that TPC i is 0, that is, a power reduction command
  • the metric of the TPC i is less than the negative value of the first metric threshold (which can be expressed as -Threshold_reliable1), it is determined that the TPC i is reliably 0, that is, a reliable power reduction command;
  • TPC i is a combined power control command for a non-serving wireless link set
  • the metric of the TPC i is greater than the negative value of the second metric threshold (which can be expressed as -Threshold_reliable 2), and the metric of the TPC i is less than or equal to 0, it is determined that the TPC i is 1, that is, a reliable power maintenance command;
  • TPC i If the metric of TPC i is less than the negative value of the third metric threshold, it is determined that TPC i is reliably 0, which is a reliable power reduction command.
  • the third metric threshold is greater than the second metric threshold
  • the service radio link set is a radio link set in which the serving cell is located, and the non-serving radio link set is a radio link set not including the serving cell, and the first metric threshold, the second metric threshold, and the third metric threshold are Pre-set, and all are positive numbers.
  • the target power control command acquisition algorithm may acquire the target power control command, the target The power control command acquisition algorithm can be:
  • TPC_cmd ⁇ (TPC 1 , TPC 2 , . . . , TPC N ), where TPC 1 , TPC 2 , . . . , TPC N respectively correspond to the combined power control commands of the wireless link sets 1 to N, and N represents the active centralized wireless chain.
  • ⁇ is the default function to satisfy:
  • N TPCis are random and uncorrelated, and N TPCis have the same probability of 0 or 1, the probability that the output of ⁇ is equal to 1 is greater than or equal to 1/(2 N ), and the probability that the output of ⁇ is equal to -1 To be greater than or equal to 1/2.
  • the specific ⁇ output can be judged according to the following conditions:
  • TPC_cmd -1, that is, a power reduction command
  • the output of ⁇ can be 1, 0 or -1, then TPC_cmd corresponds to 1, 0 or -1.
  • the specific value of 1, 0 or -1 can be determined by:
  • TPC_cmd 1;
  • TPC_cmd -1;
  • TPC_cmd 0;
  • the fourth metric threshold and the fifth metric threshold are preset, and both are positive numbers.
  • M is the specified number of power control command merge cycles, usually M can take 5.
  • the user equipment acquires a temporary power control command corresponding to the radio link set according to the M hard decision values corresponding to each radio link set and the type of each radio link set.
  • the temporary power control command may be represented as TPC_tempi, where i takes 1 to N, where N represents the number of radio link sets in the user equipment activation set, and N is a positive integer, and the type of the radio link set includes a service.
  • the specific way to obtain temporary power control is the wireless link set or the non-serving wireless link set:
  • radio link set is a serving radio link set
  • the wireless link set is a non-serving wireless link set, then:
  • the hard decision is a finite N-bit quantization of the output signal of the demodulator, which is considered to be 1 above the threshold and 0 as the threshold. Taking binary as an example, the output of the demodulator is limited to 0 and 1 values for the hard decision. If the received voltage amplitude is less than 0, the demodulator output is 0. If the received voltage amplitude is greater than 0, the demodulator output is 1. Therefore, the hard decision value can be 1 or 0. Other hexadecimals may be used in addition to binary hard decisions, and this embodiment is merely exemplary.
  • the temporary power control command is 1 for the boosted power, 0 for the maintenance power, and -1 for the power reduction.
  • the user equipment acquires a target power control command according to all temporary power control commands.
  • the user equipment acquires a target power control command according to a target power control command acquisition formula.
  • the target power control command acquisition formula can be expressed as:
  • TPC_cmd ⁇ (TPC_temp1, TPC_temp2, ..., TPC_tempN), where TPC_cmd represents the target power control command, TPC_temp1, TPC_temp2, ..., TPC_tempN respectively correspond to the temporary power control commands of the wireless link set 1 to N, and N represents the active centralized wireless chain.
  • the total number of road sets, and N is a positive integer.
  • ⁇ is the default function to satisfy:
  • TPC_temp1, TPC_temp2, ..., TPC_tempN is -1, then TPC_cmd is -1;
  • TPC_cmd is 1
  • TPC_cmd is 0, where the output of TPC_cmd is 1 for rising power, 0 for maintaining power, and -1 for power reduction.
  • the user equipment After acquiring the target power control command, the user equipment adjusts its own power according to the target power control command.
  • the invention provides a power control processing method, which first obtains a power control command indication of an active centralized cell, and then obtains a power control command of an active centralized cell according to a power control command of the active centralized cell, and activates a power control command of the active centralized cell. Power control command for power control command And, the target power control command is obtained, and finally, the transmit power of the user equipment is adjusted according to the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the embodiment of the present invention further provides a user equipment 1.
  • the user equipment 1 includes:
  • the indication obtaining unit 11 is configured to obtain a power control command indication of the active centralized cell, where the power control command indication of the serving cell in the active set is used to indicate that the power control command is a power reduction command or a power increase command, and the active centralized non-service The power control command indication of the cell is used to indicate that the power control command is a power reduction command or a power maintenance command;
  • the command obtaining unit 12 is configured to obtain a power control command of the active centralized cell according to the power control command of the active centralized cell, and combine power control commands of the active centralized cell to obtain a target power control command.
  • the power control unit 13 is configured to adjust the transmit power of the user equipment according to the target power control command.
  • the command obtaining unit 12 further includes:
  • the identifying unit 121 is configured to: if the power control command indication received from the serving cell in the active set is 1, determine that the power control command is a power boost command; and if the power control command received from the serving cell in the active set is indicated as 0 Determining that the power control command is a power reduction command;
  • the identifying unit 121 is further configured to: if the power control command indication received from the non-serving cell in the active set is 1, determine that the power control command is a power maintenance command; and if the power control command received from the non-serving cell in the active set indicates 0: Determine the power control command as a power reduction command; or, if the power control command of the non-serving cell is not received in the time slot of the non-serving cell transmitting the power control command, determine that the power control command is a power maintenance command.
  • the command obtaining unit 12 further includes:
  • the first merging unit 122 is configured to: according to the power control command that belongs to the same radio link set cell in the active set, obtain a power control command of the active set cell, and combine the power control commands of the active centralized cell to obtain a power control command to be combined. Power control commands.
  • the second merging unit 123 is configured to perform a corresponding power control command acquisition process according to the combined power control command and the type of the wireless link set to which the merged power control command belongs, to obtain a target power control command.
  • the second merging unit 123 is further configured to:
  • the target power control command acquisition algorithm formula includes:
  • TPC_cmd ⁇ (TPC 1 , TPC 2 , . . . , TPC N ), where TPC_cmd represents the target power control command, and TPC 1 , TPC 2 , . . . , TPC N correspond to the combined power control of the wireless link set 1 to N, respectively.
  • Command N represents the total number of active wireless link sets activated, and N is a positive integer, and ⁇ is a preset function;
  • TPC_cmd When TPC 1 , TPC 2 , ..., TPC N are both reliable 1, the output of TPC_cmd is 1;
  • TPC_cmd When any one of TPC 1 , TPC 2 , ..., TPC N is reliably 0, the output of TPC_cmd is -1;
  • the output of TPC_cmd is 1, 0 or -1, where TPC i is reliably 0 or reliable. 1 is determined according to the type of radio link set to which TPC i belongs and the corresponding reliable metric.
  • TPC i represents TPC i Any one of TPC 1 , TPC 2 , . . . , TPC N , the type of the wireless link set includes a service radio link set or a non-serving radio link set; the output of TPC_cmd is 1 for rising power, and 0 is for maintaining power, -1 indicates power reduction.
  • the second merging unit 123 is further configured to:
  • TPC i is the combined power control command for the service radio link set
  • the reliable metric of the TPC i is greater than the preset first reliable metric threshold, it is determined that the TPC i is reliably 1, that is, a reliable power up command;
  • the reliable metric of the TPC i is less than the negative value of the first reliable metric threshold, it is determined that the TPC i is reliably 0, that is, a reliable power reduction command;
  • TPC i is a combined power control command for a non-serving wireless link set
  • the reliable metric of the TPC i is greater than the negative value of the second reliable metric threshold, and the reliable metric of the TPC i is less than or equal to 0, determining that the TPC i is 1, that is, a reliable power maintenance command;
  • the reliable metric of the TPC i is less than the negative value of the third reliable metric threshold, it is determined that the TPC i is reliably 0, that is, a reliable power reduction command;
  • the third reliable metric threshold is greater than the second reliable metric threshold.
  • TPC_cmd 1, 0 or -1 including:
  • TPC_cmd 1, that is, the power up command
  • TPC_cmd the output of TPC_cmd is ⁇ 1, that is, the power reduction command
  • TPC_cmd the output of TPC_cmd is 0, that is, the power command is maintained;
  • the service radio link set is a radio link set in which the serving cell is located, and the non-serving radio link set is a radio link set that does not include the serving cell, the first reliable metric threshold, the second reliable metric threshold, and the third reliable metric.
  • the threshold, the fourth reliable metric threshold, and the fifth reliable metric threshold are pre-set and are all positive numbers.
  • the second merging unit 123 includes:
  • a determining unit 1231 configured to acquire, according to each merged power control command, a hard decision value corresponding to each merged power control command; after M power control command merge cycles, obtain a corresponding corresponding to each wireless link set M hard decision values; where M ⁇ 2 and M is an integer.
  • the temporary command obtaining unit 1232 is configured to acquire, according to the M hard decision values corresponding to each radio link set and the type of each radio link set, a temporary power control command corresponding to the radio link set;
  • the radio link set Types include service radio link sets or non-service radio link sets.
  • the target command obtaining unit 1233 is configured to acquire a target power control command according to all temporary power control commands.
  • the temporary command obtaining unit 1232 is further configured to:
  • radio link set is a serving radio link set
  • the temporary power control command corresponding to the radio link set is 1.
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the wireless link set is a non-serving wireless link set, then:
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the temporary power control command is 1 for the boosted power, 0 is for maintaining power, and -1 is for power reduction.
  • the target command obtaining unit 1233 is further configured to:
  • the target power control command acquisition formula includes:
  • TPC_cmd ⁇ (TPC_temp1, TPC_temp2, ..., TPC_tempN), where TPC_cmd represents the target power control command, TPC_temp1, TPC_temp2, ..., TPC_tempN respectively correspond to the temporary power control commands of the wireless link set 1 to N, and N represents the active centralized wireless chain.
  • TPC_temp1, TPC_temp2, ..., TPC_tempN is -1, then TPC_cmd is -1, which is a power reduction command;
  • TPC_cmd is 1, which is the power up command
  • TPC_cmd is 0, which is to maintain the power command.
  • the present invention provides a user equipment, which first obtains a power control command indication of an active centralized cell, and then, according to a power control command of the active centralized cell, obtains a power control command for the active centralized cell, and activates a power control command of the centralized cell.
  • the power control commands are combined to obtain a target power control command, and finally the transmit power of the user equipment is adjusted according to the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the embodiment of the present invention further provides a base station 2, which is a base station of a non-serving cell in an active set. As shown in FIG. 8, the base station 2 includes:
  • the determining unit 21 is configured to determine whether the received power of the user equipment is higher than a preset threshold
  • the sending unit 22 is configured to send a first power control command indication to the user equipment according to the determination result. If the receiving power of the user equipment is higher than a preset threshold, the first power control command indicates the indicated power control command. If the received power of the user equipment is not higher than the preset threshold, the first power control command indicates that the indicated power control command is a power maintenance command, so that the user equipment is configured according to the first power. And controlling, by the control command, the second power control command sent by the serving cell in the active set of the user equipment to obtain the power control command of the active centralized cell, and combining the power control commands of the active centralized cell to obtain the target power control command;
  • the base station is a base station where at least one non-serving cell in the active set of the user equipment is located;
  • the second power control command indicates that the indicated power control command is a power down command or a power boost command.
  • the power control command sent by the non-serving cell sent by the sending unit 21 is 1, the power control command is determined to be a power maintenance command; if the power control command of the non-serving cell sent by the sending unit 21 is 0, it is determined.
  • the power control command is a power reduction command.
  • the present invention provides a base station, the base station determines whether the received power of the user equipment is higher than a preset threshold, and sends a first power control command indication to the user equipment according to the determination result, so that the user equipment indicates according to the first power control command.
  • the second power control command of the active cell in the active set indicates that the power control command of the active centralized cell is obtained, and the power control command of the active centralized cell is combined to obtain the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the embodiment of the present invention further provides a user equipment 3.
  • the user equipment 3 includes: a bus 31, and a processor 32, a memory 33 and an interface 34 connected to the bus 31, wherein the interface 34 is used for other networks. Meta-communication; memory 33 is used to store instructions 331; processor 32 executes instructions 331 for:
  • the power control command indication of the serving cell in the active set is used to indicate that the power control command is a power reduction command or a power increase command
  • the power control command indication of the non-serving cell in the active set is used Instructing the power control command to be a power reduction command or a power maintenance command
  • the transmit power of the user equipment is adjusted according to the target power control command.
  • processor 32 executing the instruction 331 can also be used to:
  • the power control command received from the serving cell in the active set indicates 1, the power control command is determined to be a power boost command; if the power control command received from the serving cell in the active set indicates 0, the power control command is determined For the power reduction command;
  • the power control command is a power maintenance command if the power control command received from the non-serving cell in the active set is 1, and determining the power control if the power control command received from the non-serving cell in the active set is 0.
  • the command is a power reduction command; or, when the time slot of the non-serving cell transmitting the power control command does not receive the power control command of the non-serving cell, the power control command is determined to be a power maintenance command.
  • processor 32 executing the instruction 331 can also be used to:
  • Corresponding power control command acquisition processing is performed according to the combined power control command and the type of the wireless link set to which the merged power control command belongs, to obtain a target power control command.
  • processor 32 executing the instruction 331 can also be used to:
  • the target power control command acquisition algorithm formula includes:
  • TPC_cmd ⁇ (TPC 1 , TPC 2 , . . . , TPC N ), where TPC_cmd represents the target power control command, and TPC 1 , TPC 2 , . . . , TPC N correspond to the combined power control of the wireless link set 1 to N, respectively.
  • Command N represents the total number of active wireless link sets activated, and N is a positive integer, and ⁇ is a preset function;
  • TPC_cmd When TPC 1 , TPC 2 , ..., TPC N are both 1, the output of TPC_cmd is 1;
  • TPC_cmd When any one of TPC 1 , TPC 2 , ..., TPC N is 0, the output of TPC_cmd is -1;
  • the output of the TPC_cmd is 1, 0 or -1, wherein the TPC i is 0 or 1 is determined according to the type of the radio link set to which the TPC i belongs and the corresponding metric value, and the TPC i represents the TPC i TPC 1 .
  • the type of the wireless link set includes a service radio link set or a non-serving radio link set; the output of TPC_cmd is 1 for rising power, 0 is for maintaining power, and -1 is Reduce power.
  • processor 32 executing the instruction 331 can also be used to:
  • TPC i is the combined power control command for the service radio link set
  • the metric of the TPC i is greater than the preset first metric threshold, determining that the TPC i is 1, that is, the power up command;
  • TPC i If the metric of the TPC i is less than the negative value of the first metric threshold, determining that TPC i is 0, that is, reducing the power command;
  • TPC i is a combined power control command for a non-serving wireless link set
  • the metric of the TPC i is greater than the negative value of the second metric threshold, and the metric of the TPC i is less than or equal to 0, it is determined that the TPC i is 1, that is, the power maintenance command;
  • TPC i If the metric of the TPC i is less than the negative value of the third metric threshold, determining that TPC i is 0, that is, reducing the power command;
  • the third metric threshold is greater than the second metric threshold.
  • TPC_cmd 1, 0 or -1 including:
  • TPC_cmd is 1, that is, the power up command
  • TPC_cmd the output of TPC_cmd is ⁇ 1, that is, the power reduction command
  • TPC_cmd the output of TPC_cmd is 0, that is, the power command is maintained;
  • the service radio link set is a radio link set in which the serving cell is located, and the non-serving radio link set is a radio link set that does not include the serving cell, the first metric threshold, the second metric threshold, the third metric threshold, The fourth metric threshold and the fifth metric threshold are pre-set and are both positive numbers.
  • processor 32 executing the instruction 331 can also be used to:
  • the type of the radio link set includes the service radio link set Or non-service wireless link set;
  • the target power control command is obtained according to all temporary power control commands.
  • processor 32 executing the instruction 331 can also be used to:
  • radio link set is a serving radio link set
  • the temporary power control command corresponding to the radio link set is 1.
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the wireless link set is a non-serving wireless link set, then:
  • the temporary power control command corresponding to the radio link set is -1;
  • the temporary power control command corresponding to the radio link set is 0;
  • the temporary power control command is 1 for the boosted power, 0 is for maintaining power, and -1 is for power reduction.
  • processor 32 executing the instruction 331 can also be used to:
  • the target power control command acquisition formula includes:
  • TPC_cmd ⁇ (TPC_temp1, TPC_temp2, ..., TPC_tempN), where TPC_cmd represents the target power control command, TPC_temp1, TPC_temp2, ..., TPC_tempN respectively correspond to the temporary power control commands of the wireless link set 1 to N, and N represents the active centralized wireless chain.
  • TPC_temp1, TPC_temp2, ..., TPC_tempN is -1, then TPC_cmd is -1, which is a power reduction command;
  • TPC_cmd is 1, which is the power up command
  • TPC_cmd is 0, which is to maintain the power command.
  • the present invention provides a user equipment, which first obtains a power control command indication of an active centralized cell, and then, according to a power control command of the active centralized cell, obtains a power control command for the active centralized cell, and activates a power control command of the centralized cell.
  • the power control commands are combined to obtain a target power control command, and finally the transmit power of the user equipment is adjusted according to the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the embodiment of the present invention further provides a base station 4, which is a base station of a non-serving cell in an active set.
  • the user equipment 4 includes: a bus 41, and a processor 42 and a memory 43 connected to the bus 41. And interface 44, wherein interface 44 is for communicating with other network elements; memory 43 is for storing instructions 431; and processor 42 is for executing instructions 431 for:
  • the base station Determining, by the base station, whether the received power of the user equipment is higher than a preset threshold; the base station is a base station of the non-serving cell in the active set of the user equipment;
  • the base station sends a first power control command indication to the user equipment according to the determination result. If the received power of the user equipment is higher than the preset threshold, the first power control command indicates that the indicated power control command is a power reduction command; If the received power is not higher than the preset threshold, the first power control command refers to The indicated power control command is a power maintenance command, so that the user equipment indicates to obtain the power control command of the active centralized cell according to the first power control command indication and the second power control command of the active cell in the active set, and activates the centralized cell.
  • the power control command combines the power control commands to obtain the target power control command;
  • the second power control command indicates that the indicated power control command is a power down command or a power boost command.
  • processor 42 executing the instruction 431 can also be used to:
  • the power control command sent by the non-serving cell is 1, the power control command is determined to be a power maintenance command; if the power control command sent by the non-serving cell indicates 0, the power control command is determined to be a power reduction command.
  • the present invention provides a base station, the base station determines whether the received power of the user equipment is higher than a preset threshold, and sends a first power control command indication to the user equipment according to the determination result, so that the user equipment indicates according to the first power control command.
  • the second power control command of the active cell in the active set indicates that the power control command of the active centralized cell is obtained, and the power control command of the active centralized cell is combined to obtain the target power control command. Therefore, a mechanism for the power control processing is provided, which can ensure that the user equipment adopts different power control policies for different cells in the soft handover, and reduces interference of the user equipment to the non-serving cell.
  • the disclosed methods and apparatus may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or hardware plus software. The form of the unit is implemented.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the software functional units described above are stored in a storage medium and include instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform portions of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, and the program code can be stored. Medium.

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Abstract

La présente invention concerne un procédé de traitement de commande de puissance, un équipement d'utilisateur et une station de base, procure un mécanisme de traitement de commande de puissance, et permet de réduire une interférence d'un équipement d'utilisateur par rapport à une cellule de non-desserte. Le procédé consiste à : d'abord, obtenir des indications d'instructions de commande de puissance d'activation de cellules centralisées ; obtenir ensuite, conformément aux indications d'instructions de commande de puissance d'activation des cellules centralisées, des instructions de commande de puissance d'activation des cellules centralisées, et exécuter une combinaison d'instructions de commande de puissance des instructions de commande de puissance d'activation des cellules centralisées, de façon à obtenir des instructions de commande de puissance cible ; et régler enfin une puissance de transmission de l'équipement d'utilisateur conformément aux instructions de commande de puissance cible. La présente invention peut être appliquée à une commande de puissance d'un équipement d'utilisateur.
PCT/CN2014/092107 2013-11-25 2014-11-25 Procédé de traitement de commande de puissance, équipement d'utilisateur et station de base WO2015074618A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114364004A (zh) * 2021-12-13 2022-04-15 北京佰才邦技术股份有限公司 上行功率控制方法、装置和电子设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107079408B (zh) * 2015-08-21 2020-02-14 华为技术有限公司 功率调整方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101019345A (zh) * 2004-09-13 2007-08-15 松下电器产业株式会社 移动台装置和上行线路发送功率控制方法
CN101022301A (zh) * 2007-03-02 2007-08-22 华为技术有限公司 一种反向闭环功率控制的方法和系统
WO2012112868A1 (fr) * 2011-02-18 2012-08-23 Qualcomm Incorporated Appareil, procédé et système pour la réception d'un canal de contrôle sur la liaison montante dans un réseau de communication sans fil hétérogène

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080200202A1 (en) * 2007-02-13 2008-08-21 Qualcomm Incorporated Power control with link imbalance on downlink and uplink
WO2009072945A1 (fr) * 2007-12-06 2009-06-11 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et agencement pour la commande de puissance pendant un transfert intercellulaire sans coupure
CN102752842B (zh) * 2012-06-21 2016-03-09 华为技术有限公司 移动终端软切换时的发射功控合并方法及移动终端

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101019345A (zh) * 2004-09-13 2007-08-15 松下电器产业株式会社 移动台装置和上行线路发送功率控制方法
CN101022301A (zh) * 2007-03-02 2007-08-22 华为技术有限公司 一种反向闭环功率控制的方法和系统
WO2012112868A1 (fr) * 2011-02-18 2012-08-23 Qualcomm Incorporated Appareil, procédé et système pour la réception d'un canal de contrôle sur la liaison montante dans un réseau de communication sans fil hétérogène

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114364004A (zh) * 2021-12-13 2022-04-15 北京佰才邦技术股份有限公司 上行功率控制方法、装置和电子设备

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