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WO2015139182A1 - Équipement utilisateur, dispositif côté réseau, procédé de réglage de puissance et procédé de détermination de sg - Google Patents

Équipement utilisateur, dispositif côté réseau, procédé de réglage de puissance et procédé de détermination de sg Download PDF

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Publication number
WO2015139182A1
WO2015139182A1 PCT/CN2014/073541 CN2014073541W WO2015139182A1 WO 2015139182 A1 WO2015139182 A1 WO 2015139182A1 CN 2014073541 W CN2014073541 W CN 2014073541W WO 2015139182 A1 WO2015139182 A1 WO 2015139182A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
margin
sir
load
side device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/073541
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English (en)
Chinese (zh)
Inventor
赵悦莹
马雪利
汪凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2014/073541 priority Critical patent/WO2015139182A1/fr
Priority to PCT/CN2014/076868 priority patent/WO2015139360A1/fr
Priority to CN201480001002.0A priority patent/CN105309015A/zh
Publication of WO2015139182A1 publication Critical patent/WO2015139182A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a UE, a network side device, a power adjustment method, and an SG determining method. Background technique
  • the system introduces a new carrier for the user equipment (UE: User Equipment), which is similar to the dual-carrier high speed uplink packet access (DC-HSUPA: Dual Cell High Speed Uplink Packet Access).
  • UE User Equipment
  • DC-HSUPA Dual Cell High Speed Uplink Packet Access
  • the carrier by setting a higher load target value, all UEs in the system perform time division multiplexing (TDM: Time-Division Multiplexing) on the carrier.
  • TDM Time-Division Multiplexing
  • the second secondary carrier technology has the advantage that only one or a few UEs transmit data at the same time, which greatly reduces the multiple access interference between UEs.
  • one UE can occupy higher load resources within one Transmission Time Interval (TTI), the UE can perform high-speed data transmission.
  • TTI Transmission Time Interval
  • WCDMA Wideband Code Division Multiple Access
  • uplink UE transmission is performed by scheduling, and the base station is based on the measured signal to noise ratio of the UE's dedicated physical control channel (DPCCH: Dedicated Physical Control Channel).
  • DPCCH dedicated Physical Control Channel
  • a service grant (SG: Serving Grant) characterizing the maximum power available to the UE is sent to the UE, and the high power indicates that a large block length can be scheduled.
  • the UE Before the UE starts to send E-DCH Enhanced: Dedicated Channel data, it will send a DPCCH power control prefix for a period of time for channel quality synchronization.
  • the new UE that is handed over may not have the DPCCH power control prefix, so the base station cannot determine the initial power used by the UE to start transmitting until the base station receives the DPCCH sent by the UE uplink.
  • the signal to interference ratio (SIR: Signal to Interference Ratio) of the DPCCH is estimated, and the power control command word is obtained according to the comparison result of the SIR and the target signal interference ratio SIR ⁇ et and transmitted to the UE for receiving by the downlink, and the UE receives the power control command word.
  • the transmit power of the UE is adjusted by the power step included in the power command word.
  • the power step determined by the method of the prior art may cause the transmission power of the UE to be adjusted too slowly if the power step is too low, thereby causing the UE to transmit power too low, and the available load cannot be fully utilized; If the power step is too high, the load will exceed the target value. That is, there is a technical problem in the prior art that the adjustment of the transmission power of the UE is not accurate enough. Summary of the invention
  • the embodiment of the invention provides a power adjustment method, a service authorization SG determining method and a user equipment, to more accurately adjust the transmission power of the UE.
  • an embodiment of the present invention provides a user equipment (UE), including: a processor, configured to determine a first power step, and use the first power step to transmit power of a dedicated physical control channel DPCCH of the UE. Adjusting from the initial power to the first transmit power; and determining a second power step different from the first power step, and using the second power step to transmit the DPCCH transmit power by the first The power is adjusted to the second transmit power; the transmitter is connected to the processor, and configured to send data to the network side device by using the first transmit power and/or the second transmit power.
  • UE user equipment
  • the UE further includes: a receiver, connected to the processor, configured to receive power remaining by the network side device before determining the first power step
  • the processor is further configured to: acquire a reference power, and determine the initial power according to the reference power and the power margin.
  • the DPCCH is configured with a primary carrier and a secondary carrier, where the reference power is specifically: a current power or a location of the primary carrier The downlink pilot power of the secondary carrier.
  • the receiver is specifically configured to: receive a power control command word sent by the network side device, where the power control command word includes the first a power step; the processor is specifically configured to: acquire the first power step from the receiver; Or the processor is specifically configured to: determine a quotient value obtained by dividing an absolute value of a power headroom sent by the network side device by n as the first power step, where the n is specifically: The UE first uses the service grant SG to perform the number of delay slots for enhancing the dedicated channel dedicated physical data channel E-DPDCH data transmission.
  • the receiver is further configured to: receive a power control command word sent by the network side device, where the power control command word includes the second
  • the power step is configured to: acquire the second power step from the receiver.
  • an embodiment of the present invention provides a network side device, including: a processor, configured to determine a power control command word including a power lifting instruction; a transmitter connected to the processor, configured to include the power The power control command word of the lifting instruction is sent to the user equipment UE, so that the UE adjusts the dedicated physical control channel DPCCH transmission power of the UE from the initial power to the first transmission according to the power lifting instruction and the first power step
  • the processor is further configured to: determine a power control command word that includes a second power step; the transmitter is further configured to: send a power control command word that includes the second power step to a user
  • the UE is configured to adjust, by the second power step, the first transmit power to the second transmit power, where the first power step and the second power step are different. Power step size.
  • the processor is further configured to: determine the first power step; the transmitter is further configured to: include the first power step Sending a power control command word of the power and the power up command to the UE, so that the UE adjusts the DPCCH transmit power from the initial power to the first transmit power by using the first power step .
  • an embodiment of the present invention provides a user equipment (UE), including: a receiver, configured to receive a target signal to interference ratio SIRt ⁇ t transmitted by a network side device, and a total control channel power margin C/P available to the UE. And a processor, connected to the receiver, configured to determine a service authorization SG of the UE according to at least the SIRt and the C/P.
  • UE user equipment
  • the receiver is further configured to: receive the network side device before determining the SG according to the at least the ⁇ ⁇ ⁇ 1 and the C/P Send The available network load of the UE; the processor is specifically configured to: determine the SG according to at least the C/P and the Loa d.
  • the processor is specifically configured to: based on the SiR ⁇ t , the Load, the C/P, and a formula :
  • the receiver is further configured to: determine, according to at least the loading, the C and the C/P Before the SG, receiving the power headroom power_margin sent by the network side device; the processor is specifically configured to: determine, according to the SIRt ⁇ , the load, the C/P, and the power_.margin The SG.
  • the processor is specifically configured to: that, according to the S1R, the load, the C/P, the power— Margin and formula: ⁇ Load , indeed
  • the processor is specifically configured to: that, according to the S1R, the load, the C/P, the power— Margin and formula:
  • the receiver is further configured to: receive the network side device before determining the SG according to the at least the ⁇ ⁇ ⁇ 1 and the C/P The available network load factor ⁇ of the UE is sent; the processor is specifically configured to: determine the SG based on at least the c, the p, and the ⁇ .
  • the processor is specifically configured to: based on the C/P and the ⁇ and a formula:
  • the receiver is further configured to: at least be based on the SIR ⁇ et, the C/P, and the ⁇ Before determining the SG, receiving a power headroom power_margin sent by the network side device; the processor is specifically configured to: determine , according to the SIRta ⁇ , the C/P, the ⁇ , and the power_margin The SG.
  • the processor is specifically configured to: pass the SIRt ⁇ t, the C/P, the ⁇ , and the Power_.margin and the formula: 1 - 11 determine the SG.
  • the processor is specifically configured to: pass the SIRt ⁇ t, the C/P, the ⁇ , and the Power_.margin and formula:
  • an embodiment of the present invention provides a network side device, including: a processor, configured to determine a target signal to interference ratio SIR ta ⁇ total control channel power margin C/P available to the UE ; and a transmitter connected to The processor, configured to send the S1 and the C/P to the UE, to enable the UE to determine a service authorization of the UE by using at least the SIR ⁇ and the C/P SG.
  • the processor is further configured to: Determining an available network load of the UE; the transmitter is further configured to: send the payload to the UE, so that the UE is based on the C/P and the SIR The Load determines the SG.
  • the processor is further configured to: determine a power headroom power_margin; the transmitter is specifically configured to: A power headroom power_margin is sent to the UE, so that the UE determines the SG according to the SIR ⁇ , the Load, the C/P, and the power_margin.
  • the processor is further configured to: determine an available network load factor ⁇ of the UE; the transmitter is further configured to: send the ⁇ to The UE, to enable the UE to determine the SG based on at least the SIR ⁇ , the C/P, and the ⁇ .
  • the processor is further configured to: determine a power headroom power_margin; the transmitter is further configured to: Power_margin is sent to the UE, so that the UE determines the SG based on the SIR ⁇ , the C/P, the ⁇ , and the power_margin.
  • an embodiment of the present invention provides a user equipment (UE), including: a first determining module, configured to determine a first power step; and a first adjusting module, connected to the first determining module, to use the The first power step adjusts the dedicated physical control channel DPCCH transmit power of the UE from the initial power to the first transmit power; the second determining module is connected to the first adjustment module, and is configured to determine the first power a second power step with a different step size; a second adjustment module, coupled to the second determining module, configured to adjust, by using the second power step, the DPCCH transmit power from the first transmit power to a first Two transmit power.
  • UE user equipment
  • the UE further includes: a receiving module, configured to receive a power headroom sent by the network side device, before determining the first power step; Obtaining a reference power; a third determining module, configured to determine the DPCCH initial power according to the reference power and the power margin.
  • the DPCCH is configured with a primary carrier and a secondary carrier, and the reference power is specifically: a current power of the primary carrier or a downlink pilot power of the secondary carrier.
  • the first determining module is specifically configured to: receive a power control command word sent by the network side device, where the power control command word includes The first power step is determined; or the quotient obtained by dividing the absolute value of the power headroom sent by the network side device by n is determined as the first power step, where n is: the UE first time
  • the service grant SG is used to increase the number of delay slots for the dedicated channel dedicated physical data channel E-DPDCH data transmission.
  • the second determining module is specifically configured to: receive a power control command word sent by the network side device, where the power control command word includes the The second power step.
  • an embodiment of the present invention provides a network side device, including: a first determining module, configured to determine a power control command word including a power lifting instruction; and a first sending module, configured to include the power lifting instruction
  • the power control command word is sent to the user equipment UE, so that the UE adjusts the dedicated physical control channel DPCCH transmission power of the UE from the initial power to the first transmission power according to the power lifting instruction and the first power step; a determining module, configured to determine a power control command word that includes a second power step; a second sending module, configured to send, to the user equipment UE, the power control command word that includes the second power step
  • the UE adjusts the first transmit power to the second transmit power by using the second power step, where the first power step and the second power step are different power steps.
  • the method further includes: a third determining module, configured to determine the first power step; the second sending module is specifically configured to: include the first a power step and a power control command word of the power up and down command are sent to the UE, so that the UE adjusts the DPCCH transmit power from the initial power to the first by using the first power step A transmit power.
  • the embodiment of the present invention provides a user equipment UE, including: a first receiving module, Means for receiving a target signal to interference ratio sent by the network device SI1 ⁇ 'the UE channel the total available power headroom C / P; determining module connected to the receiving module, at least according to the SI and the C/P determines the SG.
  • the UE further includes: a second receiving module, configured to receive the SG before determining the SG according to the SIR ⁇ et and the C/P And the determining module is configured to: determine the SG according to at least the SIRt ⁇ t, the C/P, and the Load.
  • the determining module is specifically configured to: based on the, the load, the C/P, and a formula:
  • the SG is determined.
  • the UE further comprising: a third receiving module, for at least according to the SIR ⁇ et, and the said Load Before determining the SG, the C/P receives the power headroom power_margin sent by the network side device; the determining module is specifically configured to: according to the SIRt ⁇ t, the load, the C /P and the power_margin determine the SG.
  • the determining module is specifically configured to: The load, the C/P, the
  • the determining module is specifically configured to: The Load, the C/P, the power_margin, and a formula:
  • the UE further includes: a fourth receiving module, configured to receive the SG before determining the SG according to at least the SIRt ⁇ t and the C/P The determining, by the network side device, the available network load factor ⁇ of the UE, where the determining module is configured to: determine the SG based on at least the SIRt ⁇ t, the C/P, and the ⁇ .
  • the determining module is specifically configured to: The C/P and the ⁇ and the formula:
  • the UE further includes: a fifth receiving module, configured to perform the C/P and the at least based on the SIR ⁇ g Before the determining the SG, receiving the power headroom power_margin sent by the network side device; the determining module is specifically configured to: based on the SIRta ⁇ , the C/P, the ⁇ , and the The power_margin determines the SG.
  • the determining module is specifically configured to: pass the SIR ⁇ e t , the c/P, the ⁇ and Said
  • the determining module is specifically configured to: pass the SIR ⁇ et, the c/P, the ⁇ , and the Power-margin and formula: ⁇ ,
  • an embodiment of the present invention provides a network side device, including: a first determining module, configured to determine a target signal to interference ratio SIR ⁇ , a total control channel power margin C/P available to the UE; And for transmitting the S1 a and the C/P to the UE, so that the UE determines the service authorization SG of the UE by using at least the SI a and the C/P.
  • the method further includes: a second determining module, configured to determine an available network load of the UE; and a second sending module, configured to: send the load to the Determining the UE, so that the UE determines the SG based on at least the SIR ⁇ , the C/P, and the Load.
  • the method further includes: a third determining module, configured to determine a power headroom power_margin; a third sending module, configured to send the power headroom power_margin to the UE So that the UE determines the SG according to the SIR ⁇ , the Load, the C/P, and the power_margin.
  • the method further includes: a fourth determining module, configured to determine an available network load factor ⁇ of the UE; and a fourth sending module, configured to send the ⁇ to the Said UE, such that said UE is based at least on said The C/P and the ⁇ determine the SG.
  • the method further includes: a fifth determining module, configured to determine a power headroom power_margin; a fifth sending module, configured to use the power_margin Sending to the UE, so that the UE determines the SG based on the SIR ⁇ , the C/P, the ⁇ , and the power_margin.
  • the embodiment of the present invention provides a power adjustment method, including: determining a first power step; and using the first power step to adjust a transmit power of a dedicated physical control channel DPCCH of a user equipment UE from an initial power to a first power step a transmit power; determining a second power step size different from the first power step; and adjusting the DPCCH transmit power from the first transmit power to the second transmit power by using the second power step.
  • the determining the first power step The method further includes: the UE receiving a power headroom sent by the network side device; the UE acquiring the reference power; the UE determining, according to the reference power and the power headroom, the initial power combination ninth
  • the DPCCH is configured with a primary carrier and a secondary carrier, where the reference power is specifically: a current power of the primary carrier or the secondary carrier Downlink pilot power.
  • the determining the first power step is specifically: receiving a power control command word sent by the network side device, where the power control command word is included The first power step; or the quotient obtained by dividing the absolute value of the power headroom sent by the network side device by n is determined as the first power step size, where the n is specifically: the UE adopts the first time
  • the service grant SG performs the number of delay slots for enhancing the dedicated channel dedicated physical data channel E-DPDCH data transmission.
  • the determining a second power step that is different from the first power step is specifically: receiving a power control command word sent by the network side device
  • the power control command word includes the second power step.
  • an embodiment of the present invention provides a data transmission method, including: determining a power control command word including a power lifting instruction; and transmitting, by using a power control command word including the power lifting instruction, to a user equipment UE, to enable the The UE adjusts the dedicated physical control channel DPCCH transmission power of the UE from the initial power to the first transmission power according to the power lifting instruction and the first power step; and determines a power control command word including the second power step; The power control command word of the second power step is sent to the user equipment UE, so that the UE adjusts the first sending power to the second sending power by using the second power step, where A power step is different from the second power step by a power step.
  • the method before the sending the power control command word that includes the power lifting instruction to the user equipment UE, the method further includes: determining the first power step Long; sending the power control command word including the power lifting instruction to the user equipment
  • the UE is specifically configured to: send a power control command word including the first power step and the power up and down command to the UE, so that the UE sends the power to the DPCCH by using the first power step
  • the initial power is adjusted to the first transmit power.
  • the embodiment of the present invention provides a service authorization SG determining method, including: receiving, by a user equipment, a target signal interference sent by a network side device, a total control channel power margin C/P available to the UE; The SIR and the C/P determine the SG.
  • the method further includes: receiving, by the network side device, Determining the SG of the UE according to the SIRta ⁇ and the C/P, the method further includes: determining the SG according to at least the C, P, and the Load.
  • the determining, by the at least the load, the SG and the C/P, the SG is specifically: based on:
  • the SlR is the Load, the C/P and the formula: l + SG +
  • the SG is determined.
  • the method further includes: receiving the power headroom power_margin sent by the network side device; determining the SG according to the at least the load and the C/P, specifically: according to the SiR ⁇ get , The Load, the C/P, and the power_margin determine the SG.
  • the determining the SG according to the SIRt ⁇ t, the load, the C/P, and the power_margin Specifically, based on: the SIR ⁇ et , the Load, the C/P, the power_margin, and the public
  • the method before the determining the SG according to the SIRt and the C/P, the method further includes: receiving the network side device The available network load factor ⁇ of the UE that is sent; the determining the SG according to the SIRt ⁇ t and the C/P, specifically: at least based on the SIR ⁇ e t , the C/P sum The ⁇ determines the SG.
  • the The C/P and the ⁇ determine the SG, specifically: based on
  • the method before the determining the SG based on the at least the SIRt ⁇ t, the C/P, and the ⁇ , The method further includes: receiving a power headroom power_margin sent by the network side device; determining the SG based on the SIR ⁇ e t , the C/P, and the ⁇ , specifically: based on The SIR ⁇ get, the C/P, the ⁇ , and the power_margin determine the SG.
  • the determining, by the SIRt ⁇ t, the C/P, the ⁇ , and the power_margin, the SG Specifically, the SIRt t, the C/P, the ⁇ , and the power—.margin and the formula are: Determine the SG.
  • the determining, by the SIRt ⁇ t, the C/P, the ⁇ , and the power_margin, the SG Specifically, the SIRt t, the C/P, the ⁇ , and the power—.margin and the formula are:
  • an embodiment of the present invention provides a data transmission method, including: determining a target signal interference ratio sii ⁇ get , a total control channel power margin C/P available to the UE; and the sii ⁇ get and the The C/P is sent to the UE, so that the UE determines the service authorization SG of the UE by using at least the SIR ⁇ and the C/P.
  • the method further includes: determining an available network load of the UE; sending the load to the UE, so that the UE is based at least on the SIR ⁇ , the c/P, and the Load determine the SG.
  • the method further includes: determining a power headroom power_margin; sending the power headroom power_margin to the UE, So that the UE determines the SG according to the SIR ⁇ , the Load, the C/P, and the power_margin.
  • the method further includes: determining an available network load factor ⁇ of the UE; sending the ⁇ to the UE, so that the UE is based at least on the SIR , the C/P and the ⁇ determine the SG.
  • the method further includes: determining a power headroom power_margin; sending the power_margin to the UE, so as to enable Determining, by the UE, the SIR ⁇ , the C/P, the ⁇ , and the power_margin Said SG.
  • the processor first adjusts the dedicated physical control channel DPCCH transmission power of the user equipment UE from the initial power to the first transmission power by using the first power step, and then passes the first power step.
  • the second power step is to adjust the DPCCH transmit power from the first transmit power to the second transmit power, and the transmitter sends the data to the network side device by using the first transmit power or the second transmit power, compared to the prior art.
  • the method for adjusting the transmit power of the DPCCH by using only one power step the present invention can adjust the transmit power of the DPCCH by using different power steps for different adjustment stages, thereby further improving the transmit power of the DPCCH, and Guarantee the signal-to-interference ratio of the DPCCH determined by the base station (SIR: Signal to Interference
  • FIG. 1 is a structural diagram of a UE according to a first aspect of an embodiment of the present invention
  • FIG. 2a is a schematic diagram of a processor adjusting a DPCCH transmission power by increasing a power step in a first aspect of the embodiment of the present invention
  • 2b is a schematic diagram of a processor adjusting a transmit power of a DPCCH by reducing a power step in a first aspect of the embodiment of the present invention
  • FIG. 3 is a structural diagram of a network side device according to a second aspect of the embodiment of the present invention.
  • FIG. 4 is a structural diagram of a UE according to a third aspect of the embodiment of the present invention.
  • FIG. 5 is a timing diagram of E-AGCH transmission and application in a third aspect of the present invention
  • FIG. 6 is a structural diagram of a network side device according to a fourth aspect of the present invention.
  • FIG. 7 is a structural diagram of a UE according to a fifth aspect of the embodiment of the present invention.
  • FIG. 8 is a structural diagram of a network side device according to a sixth aspect of the embodiment of the present invention.
  • FIG. 9 is a structural diagram of a UE according to a seventh aspect of the present invention.
  • FIG. 10 is a structural diagram of a network side device according to an eighth aspect of the present invention.
  • 11 is a flowchart of a power adjustment method according to an aspect of the embodiment of the present invention.
  • FIG. 12 is a flowchart of a data transmission method according to a tenth embodiment of the present invention.
  • FIG. 13 is a flowchart of a method for determining an SG according to an eleventh embodiment of the present invention.
  • FIG. 14 is a flowchart of a data transmission method according to a twelfth aspect of the present invention. detailed description
  • the processor first adjusts the transmit power of the dedicated physical control channel DPCCH of the user equipment UE from the initial power to the first power step.
  • the first transmit power, and then the DPCCH transmit power is adjusted from the first transmit power to the second transmit power by a second power step different from the first power step, and the transmitter transmits the first transmit power or the second transmit power
  • the power is transmitted to the network side device.
  • the power of the DPCCH is adjusted by using only one power step.
  • the present invention can use different power steps to transmit power to the DPCCH for different adjustment stages.
  • the adjustment is performed to further improve the transmission power of the DPCCH, and it can be ensured that the signal to interference ratio (SIR: Signal to Interference Ratio) of the DPCCH determined by the base station can converge to the target signal to interference ratio SIRt as soon as possible.
  • SIR Signal to Interference Ratio
  • an embodiment of the present invention provides a UE.
  • the method specifically includes: a processor 10, configured to determine a first power step.
  • DPCCH Dedicating the dedicated physical control channel DPCCH transmit power of the user equipment UE from the initial power to the first transmit power using the first power step
  • the transmitter 11 is connected to the processor, and is configured to send data to the network side device by using the first sending power and/or the second sending power, that is, may be configured by using the first sending power and the second sending power. At least one type of transmission power transmits data to the network side device.
  • the UE further includes: a receiver, connected to the processor 10, configured to receive a power headroom sent by the network side device before determining the first power step.
  • the network side devices are, for example, a base station, a radio network controller (RNC: Radio Network Controller), and the like.
  • the processor 10 is further configured to: acquire a reference power, and determine an initial power according to the reference power and the power margin.
  • the base station cannot determine the initial power of the DPCCH used by the UE when the UE is handed over or when the UE does not transmit data for a long time. Therefore, in the initial transmission phase, the initial power of the appropriate DPCCH needs to be determined for the UE to ensure that no reception is received. Before the AG sent by the network side device can also send data, thereby improving resource utilization.
  • the network side device may send a power headroom to the UE by using signaling.
  • the DPCCH in the present invention can configure the primary carrier and the secondary carrier, and the scheme is applied to the dual carrier system.
  • the reference power is, for example, the current power of the primary carrier or the downlink pilot power of the secondary carrier, and the like.
  • the two types of power can be detected by the UE.
  • the method for obtaining the reference power is not limited in the embodiment of the present invention.
  • the UE When the current power of the primary carrier is the current uplink power, since the current uplink frequency of the primary carrier and the secondary carrier have a small frequency interval, the UE normally transmits the DPCCH through the secondary carrier, thereby ensuring that the determined initial power of the DPCCH is more accurate. .
  • the processor 10 can obtain the initial power by linearly calculating the power headroom and the reference power, for example: obtaining the initial power by the following formula:
  • P ini P ref - power_margin [ 1 ] where P ini represents the initial power
  • P rc f represents the reference power
  • Power heregin represents the power headroom.
  • the initial power can be quickly determined without waiting for the network side device to determine the initial power of the UE, and thus can be switched or a segment. After no data transmission in the time, The initial power is quickly determined, thereby achieving the technical effect of making full use of the available network load.
  • the processor 10 can determine the first power step in a plurality of manners. Two of them are described below. Of course, in the specific implementation, the following two situations are not limited.
  • the receiver is specifically configured to: receive a power control command word sent by the network side device, where the power control command word includes a first power step;
  • the processor 10 is specifically configured to: acquire a first power step from the receiver.
  • the transmitter 11 After the UE determines the initial power, the transmitter 11 transmits the DPCCH to the network side device with the initial power.
  • the network side device After receiving the DPCCH, the network side device estimates the signal to interference ratio of the DPCCH (SIR:
  • the network side device determines to use a larger first power step; and if the SIR of the DPCCH is smaller, the network side device determines to use a smaller first power step. Long, etc., this will ensure that the SIR of the DPCCH converges as soon as possible. If the SIR is higher than the S1R, the power control command word for reducing the power is generated. If the SIR is lower than the SIRt , the power control command word for increasing the power is generated.
  • the processor 10 is specifically configured to: determine the quotient value obtained by dividing the absolute value of the power headroom sent by the network side device by n as the first power step size, where ⁇ is specifically: the UE first adopts the service authorization.
  • the SG performs the number of delay slots for enhancing the dedicated channel dedicated physical data channel E-DPDCH data transmission.
  • TTI Transmission Time Interval
  • the first power step is: power_margin/15.
  • the receiver may further receive a power control command word sent by the network side device and include a power up and down command, and then determine the first transmit power by using the first power step and the power up and down command, for example: if the power up and down command is Reduce the power indication, then subtract the first power from the initial power The step size is used to obtain the first transmit power; if the power up and down command is an indication of increasing power, the first transmit power is obtained by increasing the first power step by the initial power.
  • the power control command word may include both the first power step and the power up and down command; and if the first power step is The UE side determines that the power control command word only includes the power up and down command.
  • the UE may adjust the initial power by using the first power step, and determine the first transmit power.
  • the receiver is further configured to: receive a power control command word sent by the network side device, where the power control command word includes a second power step size;
  • the processor 10 is specifically configured to: acquire a second power step from the receiver.
  • the UE first sends the first sending power to the network side device.
  • the network side device estimates the SIR of the DPCCH, and then compares it with the target signal interference ratio SIRt ⁇ t, thereby generating a power control command word for lifting power, wherein if
  • the network side device transmits a power control command word including a power up and down command and a second power step to the UE.
  • the processor 10 After receiving the power control command word including the power lifting command and the second power step, the processor 10 also determines the second sending power by using the power lifting command included in the power control command word, for example: The command is an indication of increasing power, and determining a second transmit power by using a second power step and a first transmit power; and if the power up/down command is an indication of reducing power, reducing the first transmit power by using the second power step The transmission determines the second transmission power and the like.
  • the processor 10 can adjust the first transmit power by using the second power step multiple times to determine the second transmit power.
  • the DPCCH transmission power is adjusted by the second power step, after the DPCCH transmission power is adjusted by the first power step, it is usually a fine adjustment information, so that the second power step is usually smaller than the first power step.
  • the first power step is 2 dB
  • the second power step is IdB. System.
  • step1 denotes a first power step
  • step 2 denotes a second power step
  • step 2 denotes a second power step.
  • the length is less than the first power step indicated by stepl.
  • FIG. 2a is a schematic diagram of power adjustment when a power control command word that transmits a first power step and a power control command that sends a second power step both include an increased power indication.
  • the initial power p is determined, and then the transmitter 11 sends the DPCCH to the network side device through the initial power p, and the network side device detects the SIR of the DPCCH, determines that it is smaller than SIRt a ⁇ t, and the SIR has a large amplitude difference, so the transmission power is increased.
  • the power control command word which includes stepl, after receiving the power control command word through the receiver, the processor 10 adjusts the DPCCH transmission power from the initial power p to p+step1;
  • the transmitter 11 of the UE sends the DPCCH to the network side device through p+step1, and the network side device detects the SIR of the DPCCH, and determines that it is smaller than SIRt ar g et , and the SIR and SIRta ⁇ have a large difference, for example: UE side initial power setting Too low, or encountering channel fading is just too large, it will lead to SIR and
  • the transmitter 11 of the UE sends the DPCCH to the network side device through p+ 2 X step1, and the network side device detects the SIR of the DPCCH, determines that it is smaller than the SIRt ar g et , and the SIR and the SIR ar g et have a small difference, so the power is
  • the step size is adjusted to step 2 by step1, and then the power control command word for increasing power is transmitted, which includes step2.
  • the processor 10 of the UE adjusts the DPCCH transmission power from the initial power p to p+. 2 X stepl+ step2;
  • the transmitter 11 of the UE transmits the DPCCH to the network side device through p+ 2 step1+step2, and the network side device detects the SIR of the DPCCH, determines that it is smaller than SIRt a ⁇ t, and the SIR and SIRta ⁇ have a small difference, for example: if p+ 2 The transmission power of X stepl+ step2 is just right, or the channel is weak.
  • the processor 10 of the UE adjusts the DPCCH transmission power from the initial power p to p+ 2 X step 1+2 step2; and so on.
  • FIG. 2b is a schematic diagram of power adjustment when the power control command word for transmitting the first power step and the power control command word for transmitting the second power step include the power reduction indication.
  • the initial power p is determined, and then the transmitter 11 of the UE transmits the DPCCH to the network side device through the initial power p, and the network side device detects the SIR of the DPCCH to determine that it is larger than SIRt ⁇ t, and the SIR and the SIR ⁇ have a large difference, so Sending a power control command word with reduced power, including step1, after receiving the power control command word by the receiver, the processor 10 of the UE adjusts the DPCCH transmission power from the initial power p to p-stepl;
  • the transmitter 11 of the UE sends the DPCCH to the network side device through the P-step1, and the network side device detects the SIR of the DPCCH, and determines that it is larger than the SIRt ar g et , and the SIR and the SIRta ⁇ have a large difference, for example, the initial power setting on the UE side. If the SIR is too large, the SIR determined by the network side device is larger than the SIRta ⁇ .
  • the SIR is, for example, 15 dB, and the SIRt is, for example, 2 dB. Therefore, the power control command word of the reduced power is sent, including the step1, and the processor 10 of the UE is passing.
  • the receiver adjusts the DPCCH transmission power from the initial power p to P- 2 X stepl;
  • the transmitter 10 of the UE sends the DPCCH to the network side device through the P-2 step1, and the network side device detects the SIR of the DPCCH, determines that it is larger than the SIRtar g et , and the SIR and the SIRtar g et have a small difference, so the power step is Adjusted by step1 to step2, and then send a power-down command word with reduced power, including step2, after receiving the power control command word through the receiver, the processor 10 of the UE adjusts the DPCCH transmission power from the initial power p to P-2.
  • the transmitter 11 of the UE transmits the DPCCH to the network side device through P-2X step1-step2, and the network side device detects the SIR of the DPCCH, which is determined to be larger than SIRt ar g et , and the SIR is different from the SIRtar g et
  • the amplitude is small, for example: transmit power P-2 X step1-step2 transmit power just right, or channel fading is not large, in this case, SIR may be slightly larger than SIRt ⁇ , SIR is, for example: 3dB, SIRt ⁇ : 2dB, so continue to send the power control command word with reduced power, including step2, after receiving the power control command word through the receiver, the processor 10 of the UE adjusts the DPCCH transmission power from the initial power p to p. 2 X step 1-2 ⁇ step2, and so on.
  • the second aspect is based on the description of the embodiment of the first aspect.
  • the embodiment of the present invention provides a network side device. Referring to FIG. 3, the following specifically includes:
  • the processor 30 is configured to determine a power control command word including a power lifting instruction
  • the transmitter 31 is connected to the processor 30, and configured to send the power control command word including the power up/down command to the user equipment UE, so that the UE sends the dedicated physical control channel DPCCH of the UE according to the power lifting instruction and the first power step.
  • the power is adjusted from the initial power to the first transmit power;
  • the processor 30 is further configured to: determine a power control command word that includes a second power step;
  • the transmitter 31 is further configured to: send the power control command word that includes the second power step to the user equipment UE, so that the UE adjusts the first sending power to the second sending power by using the second power step, where One power step and the second power step are different power steps.
  • the processor 30 is further configured to determine a first power step size
  • the transmitter is further configured to: send the power control command word including the first power step and the power up and down command to the UE, so that the UE adjusts the DPCCH transmit power from the initial power to the first transmit power by using the first power step.
  • the embodiment of the present invention provides a user equipment UE.
  • the method includes:
  • the receiver 40 is configured to receive a target signal to interference ratio SIRt ⁇ t transmitted by the network side device and a total control channel power margin C/P available to the UE;
  • the processor 41 is connected to the receiver 40 for determining the SG according to at least the SIRt and the C/P.
  • a dedicated physical data channel E-AGCH: E-DCH Dedicated Physical Data Channel
  • E-DCH Enhanced Dedicated Channel
  • the timing relationship diagram of the sending and the application after the UE3 is switched to the UE1, the first absolute grant (AG: Absolute grant) sent by the network side device is delayed after a period of time (as shown in FIG. 5 is 5 ⁇ ), that is, The second #0 ⁇ can take effect.
  • the AG usually refers to the SG carried on the E-AGCH channel, and the SG characterizes the maximum power available to the UE.
  • the initial power of the appropriate E-DPDCH needs to be determined for the UE to ensure that the data can be sent before the SG sent by the network side device is received, thereby improving resource utilization.
  • E-DPDCH E-DCH Dedicated Physical Data Channel E-DCH dedicated physical data channel
  • the SIR target is the demodulation error block rate of the RNC statistical E-DPDCH data, and is determined according to a certain outer loop power control algorithm, for example, counting the block error rate of the previous period. Comparing the statistical block error rate with the block error rate target value, if the value is greater than the target value, the SIR target is down-regulated to a smaller value, and if less than the target value, the SIRt ⁇ et is adjusted to a larger value.
  • the C/P is set directly by the network.
  • the network side device may send the SIRt t and the C/P to the UE by using the high layer signaling.
  • the processor 11 determines the SG according to at least the SIRt and the C/P, and can be divided into a plurality of cases. The following two examples are introduced, of course, in the specific implementation process. , not limited to the following two cases.
  • the receiver 10 is further configured to: receive the UE that is sent by the network side device before determining the SG according to at least the SIRt and the C/P Load with the network load.
  • the available network load load is, for example, the UE available signal energy ratio noise energy, the base station air interface total energy ratio noise energy (ROT: rise to thermal), and the like, wherein if the network side device directly transmits to the UE, the UE can use the signal energy ratio noise. The energy can be used directly in subsequent calculations. If the network side device sends other parameters related to the noise energy of the UE than the noise energy, such as ROT, it needs to be converted into UE available signal energy than noise energy.
  • ROT rise to thermal
  • the processor 41 is specifically configured to:
  • the processor 41 can be divided into at least two cases when determining the SG according to SIRtar , C/P and Load, which are respectively introduced below.
  • the processor 41 determines the SG only by SIRt ⁇ t C/P and Load.
  • the SG can be further determined by the following formula:
  • the SG determined by taking the equal sign is a better SG, which can ensure sufficient use of the network load and ensure that the network load does not exceed the available network load of the UE.
  • Receiver 40 also used to:
  • the processor 41 determines the SG according to SIRta ⁇ , Load, C/P, and power_margin, that is, the relationship between SG and SIRtar g et , C/P, Load, and power-margin can be expressed by the following formula.
  • the processor 41 can be further calculated by the following formula : determining the SG:
  • the above calculation formula is generally applied to UEs that perform data transmission through a single antenna, thereby achieving that in a single antenna system, it is ensured that the UE's transmission does not exceed the network load target, and the processing load of the network side device is reduced.
  • the processor 41 can further calculate the SG by the following formula:
  • the SG can be further determined by the following formula:
  • the receiver 40 further configured to: prior to determining the SG according SIRt ⁇ et and C / P, a network side transmission apparatus of a UE available network load factor [eta]; in this case, processor 41 is configured to: at least Determined based on SIRt ⁇ t, C/P and ⁇
  • SG that is, the correspondence between SG and SIR ⁇ et , C/P and ⁇ can be characterized by the following formula:
  • SG function ( Sn , c/P, ⁇ ) [9] While the processor 41 determines the SG according to SIR ⁇ et , C/P, and ⁇ , it can be divided into at least two cases, which are respectively described below. The 1 processor 41 determines the SG based only on C/P, ⁇ , for example, by the following formula
  • the receiver 40 is further configured to: receive a power margin power_margin sent by the network side device before determining the SG based on the SIR ⁇ , c/p, and ⁇ ;
  • the processor 41 is specifically configured to: determine the SG based on SIRt , C/P, ⁇ , and power_margin , that is, the correspondence between the SG and the SIRt , C/P, ⁇ , and power_margin can be characterized by the following formula:
  • the processor 41 can further determine the SG by the following formula:
  • the above calculation formula is generally applied to UEs that perform data transmission through a single antenna.
  • the processor 41 can further determine the SG by the following formula:
  • the embodiment of the present invention provides a network side device.
  • the method includes: The processor 60 is configured to determine a target signal to interference ratio SIR ⁇ and a total control channel power margin C/P available to the UE;
  • the transmitter 61 is connected to the processor 60, and configured to send the SI1 ⁇ and the C/P to the UE, so that the UE determines the service authorization SG of the UE by using at least the SlR ⁇ and the C/P.
  • the processor 60 is further configured to: determine an available network load of the UE;
  • the transmitter 61 is further configured to: send the Load to the UE, so that the UE determines the SG based on at least SI, C/P, and Load.
  • the processor 60 is further configured to: determine a power headroom power_margin;
  • the transmitter 61 is specifically configured to: send the power margin power_margin to the UE, so that the UE determines the SG according to the SlR Load, the C/P, and the power_margin.
  • the processor 60 is further configured to: determine an available network load factor ⁇ of the UE;
  • the transmitter 61 is further configured to: send ⁇ to the UE, so that the UE determines the SG based on at least SI, C/P, and ⁇ .
  • the processor 60 is further configured to: determine a power headroom power_margin;
  • the transmitter 61 is further configured to: send the power_margin to the UE, so that the UE determines the SG based on the SIR ⁇ , C/P, ⁇ , and power_margin.
  • the embodiment of the present invention provides a user equipment UE. Referring to FIG. 7, the method includes:
  • a first determining module 70 configured to determine a first power step size
  • the first adjustment module 71 is connected to the first determining module, configured to adjust, by using the first power step, the dedicated physical control channel DPCCH transmit power of the UE from the initial power to the first transmit power;
  • the second determining module 72 is connected to the first An adjustment module, configured to determine a second power step that is different from the first power step;
  • the second adjusting module 73 is connected to the second determining module, configured to adjust the DPCCH transmit power from the first transmit power to the second transmit power by using the second power step.
  • the UE further includes: a receiving module, configured to receive a power headroom sent by the network side device before determining the first power step;
  • An acquisition module configured to obtain a reference power
  • a third determining module configured to determine a DPCCH initial power according to the reference power and the power margin.
  • the DPCCH is configured with a primary carrier and a secondary carrier
  • the reference power is specifically: a current power of the primary carrier or a downlink pilot power of the secondary carrier.
  • the first determining module 70 is specifically configured to:
  • the quotient obtained by dividing the absolute value of the power headroom sent by the network side device by n is determined as the first power step size, where n is specifically: the UE first uses the service grant SG to perform enhanced dedicated channel dedicated physical data channel E-DPDCH data. The number of delay slots sent.
  • the second determining module 72 is specifically configured to:
  • the network side device receives a power control command word sent by the network side device, where the power control command word includes a second power step.
  • the network side device is provided by the embodiment of the present invention. Referring to FIG. 8, the method includes:
  • a first determining module 80 configured to determine a power control command word including a power lifting instruction
  • the first sending module 81 is configured to send the power control command word including the power lifting command to the user equipment UE, so that the UE sends the dedicated physical control channel DPCCH transmit power of the UE from the initial power according to the power lifting instruction and the first power step Adjusted to the first transmit power;
  • a second determining module 82 configured to determine a power control command word that includes a second power step
  • the second sending module 83 is configured to send the power control command word that includes the second power step to the user equipment UE, so that the UE adjusts the first sending power to the second sending power by using the second power step, where One power step and the second power step are different power steps.
  • it also includes:
  • a third determining module configured to determine a first power step size
  • the second sending module 83 is specifically configured to: perform work including the first power step and the power lifting command
  • the control command word is sent to the UE, so that the UE adjusts the DPCCH transmission power from the initial power to the first transmission power by using the first power step.
  • the embodiment of the present invention provides a user equipment UE. Referring to FIG. 9, the method includes:
  • the first receiving module 90 is configured to receive a total control channel power margin C/P that is available to the network side device and that is available to the SIR ⁇ UE;
  • the determining module 91 is connected to the receiving module, and is configured to determine the SG according to at least the SIR ⁇ t and the c/p.
  • the UE further includes:
  • a second receiving module configured to receive an available network load Load of the UE sent by the network side device before determining the SG according to at least the SIRt and the C/P;
  • the determining module 91 is specifically configured to:
  • the UE further includes:
  • a third receiving module configured to receive a power headroom power_margin sent by the network side device before determining the SG according to at least SIRt ⁇ t, Load, and C/P;
  • the determining module 91 is specifically used for:
  • the SG is determined based on SIRtarget , LOAD, C/P, and power_margin.
  • the determining module 71 is specifically configured to:
  • the determining module 91 is specifically configured to: Based on SIRl t, Load, C/P, power-margin and formula:
  • the UE further includes:
  • a fourth receiving module configured to receive an available network load factor ⁇ of the UE sent by the network side device before determining the SG according to at least the SIRt ⁇ and the c/ p;
  • the determining module 91 is specifically configured to: determine the SG based on at least the SIRt ⁇ t, C/P, and ⁇ .
  • the determining module 91 is specifically configured to:
  • the UE further includes: a fifth receiving module, configured to receive a power headroom power_margin sent by the network side device before determining the SG based on at least the SIR1 ⁇ t, the C/P, and the ⁇ ;
  • the determining module 91 is specifically used for:
  • the SG is determined based on SlR ⁇ et, c/p, ⁇ , and power_margin.
  • the determining module 91 is specifically configured to:
  • the determining module 91 is specifically configured to:
  • the eighth aspect is based on the descriptions of the first to fourth embodiments, and the embodiment of the present invention provides a network side device. Referring to FIG. 10, the method specifically includes:
  • a first determining module 100 configured to determine a target signal to interference ratio Total control channel power headroom C/P available to the UE;
  • the first sending module 101 is configured to send the SIR ⁇ and the C/P to the UE, so that the UE determines the service authorization SG of the UE by using at least the SIR, and the C/P.
  • it also includes:
  • a second determining module configured to determine a available network load of the UE
  • a second sending module configured to: send a Load to the UE, so that the UE is based at least on the UE
  • it also includes:
  • a third determining module configured to determine a power headroom power_margin
  • the third sending module is configured to send the power headroom power_margin to the UE, so that the UE determines the SG according to the SIR targe , Load, C/P, and power_margin.
  • it also includes:
  • a fourth determining module configured to determine an available network load factor ⁇ of the UE
  • a fourth sending module configured to send ⁇ to the UE, so that the UE determines the SG based on at least, C/P, and ⁇ .
  • it also includes:
  • a fifth determining module configured to determine a power headroom power_margin
  • a fifth sending module configured to send the power_margin to the UE, so that the UE determines the SG based on SII ⁇ get , C/P, ⁇ , and power_margin.
  • the embodiment of the present invention provides a for the power adjustment method, please refer to Figure 11, which specifically includes:
  • Step S1101 determining a first power step size
  • Step S1102 Adjusting, by using the first power step, the dedicated physical control channel DPCCH transmit power of the user equipment UE from the initial power to the first transmit power;
  • Step S1103 Determine a second power step that is different from the first power step.
  • Step S1104 The DPCCH transmission power is adjusted from the first transmission power to the second transmission power by using the second power step.
  • the method before determining the first power step, the method further includes:
  • the UE obtains reference power
  • the UE determines the initial power based on the reference power and the power headroom.
  • the DPCCH is configured with a primary carrier and a secondary carrier
  • the reference power is specifically: a current power of the primary carrier or a downlink pilot power of the secondary carrier.
  • determining the first power step specifically:
  • the quotient obtained by dividing the absolute value of the power headroom sent by the network side device by n is determined as the first power step size, where n is specifically: the UE first uses the service grant SG to perform enhanced dedicated channel dedicated physical data channel E-DPDCH data. The number of delay slots sent.
  • determining a second power step different from the first power step specifically:
  • the embodiment of the present invention provides a data transmission method. Referring to FIG. 12, the method specifically includes:
  • S1202 Send a power control command word including a power lifting command to the user equipment UE, so that the UE adjusts the dedicated physical control channel DPCCH transmission power of the UE from the initial power to the first sending power according to the power lifting instruction and the first power step.
  • S1203 Determine a power control command word that includes a second power step;
  • S1204 Send a power control command word including a second power step to the user equipment UE, so that the UE adjusts the first transmit power to the second transmit power by using the second power step, where the first power step and the first power step The two power steps are different power steps.
  • the method before the sending the power control command word including the power up and down command to the user equipment UE, the method further includes: determining the first power step size;
  • Sending the power control command word including the power up and down command to the user equipment UE specifically: sending a power control command word including the first power step and the power up and down command to the UE, so that the UE passes the DPCCH through the first power step
  • the transmission power is adjusted from the initial power to the first transmission power.
  • the embodiment of the present invention provides a method for determining a service authorization SG. Referring to FIG. 13, the method includes:
  • Step S1301 The user equipment UE receives the target signal interference ratio sent by the network side device.
  • Step S1302 Determine the SG according to at least the SIRt ⁇ et and C/P.
  • the method further includes:
  • Load receiving network available network load-side apparatus transmits a UE; SIRt and according to at least C / P SG is determined, comprises: determining at least SG according SIRt ⁇ et, C / P and Load.
  • the SG is determined according to at least SIRta ⁇ , Load, and C/P, specifically:
  • the method before determining the SG according to at least SIRt ⁇ , Load, and C/P, the method further includes: receiving a power headroom power_margin sent by the network side device;
  • the SG is determined based on SIRtarset , Load, C/P, and power_margin .
  • the SG is determined according to SIR ⁇ et , Load, C/P, and power_margin , specifically: based on SIRt t, Load, C/P, power-margin, and formula:
  • the method before determining the SG according to at least the SIRt ⁇ and the C/P, the method further includes:
  • the SG is determined based at least on SII ⁇ g C/P and ⁇ .
  • the SG is determined based on at least SIRta ⁇ , C/P, and ⁇ , specifically:
  • the method before determining the SG based on at least the S 3 ⁇ 4iI ⁇ , C/P, and ⁇ , the method further includes: receiving a power headroom sent by the network side device, power margin; based on at least SII ⁇ g C/P and ⁇ Determine the SG, specifically:
  • the SG is determined based on SIRt , C/P, ⁇ , and power_margin .
  • the SG is determined based on SIRtar g et , C/P, ⁇ , and power—margin, specifically: by SIR ⁇ -, C/ p, ⁇ , and power—margin and formula L - ⁇ formula SG.
  • the SG is determined based on SIR ⁇ et , C/P, ⁇ , and power_margin, specifically: by SIR ⁇ et, C /p, ⁇ , and power_margin and formula:
  • the embodiment of the present invention provides a data transmission method. Referring to FIG. 14, the method includes:
  • Step S1401 determining a target signal to interference ratio Total control channel power headroom available to the UE
  • Step S1402 Send the SM tag a and the C/P to the UE, so that the UE determines the service authorization SG of the UE by using at least SIR ⁇ and C/P.
  • it also includes:
  • the UE sends the Load to the UE, so that the UE is based at least on C/P and Load determine the SG.
  • it also includes:
  • the power headroom power_margin is sent to the UE, so that the UE determines the SG according to SIR ⁇ , Load, C/P, and power_margin.
  • it also includes:
  • ⁇ is sent to the UE such that the UE determines the SG based at least on C/P and ⁇ .
  • it also includes:
  • the power_margin is sent to the UE to make the UE based on S1Rt ar g et . / ⁇ , ⁇ , and power—margin determine SG.
  • the processor first adjusts the dedicated physical control channel DPCCH transmission power of the user equipment UE from the initial power to the first transmission power by using the first power step, and then passes the first power step.
  • the second power step is to adjust the DPCCH transmit power from the first transmit power to the second transmit power, and the transmitter sends the data to the network side device by using the first transmit power or the second transmit power, compared to the prior art.
  • the method for adjusting the transmit power of the DPCCH by using only one power step the present invention can adjust the transmit power of the DPCCH by using different power steps for different adjustment stages, thereby further improving the transmit power of the DPCCH, and Guarantee the signal-to-interference ratio of the DPCCH determined by the base station (SIR: Signal to Interference
  • Ratio can converge as quickly as possible to the target signal-to-interference ratio SI1 ⁇ .

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Abstract

L'invention se rapporte à un équipement utilisateur (UE), un dispositif côté réseau, un procédé de réglage de puissance et un procédé de détermination de SG. L'UE comprend : un processeur, servant à déterminer une première taille de pas de puissance, qui permet d'utiliser cette première taille de pas de puissance pour régler la puissance de transmission d'un canal de commande physique dédié (DPCCH) de l'UE, qui passe alors d'une puissance initiale à une première puissance de transmission, de déterminer une seconde taille de pas de puissance différente de la première, et d'utiliser la seconde taille de pas de puissance pour régler la puissance de transmission du DPCCH, qui passe alors de la première puissance de transmission à une seconde puissance de transmission ; et un émetteur connecté au processeur et destiné à transmettre des données au dispositif côté réseau par le biais de la première et/ou de la seconde puissance de transmission.
PCT/CN2014/073541 2014-03-17 2014-03-17 Équipement utilisateur, dispositif côté réseau, procédé de réglage de puissance et procédé de détermination de sg Ceased WO2015139182A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2014/073541 WO2015139182A1 (fr) 2014-03-17 2014-03-17 Équipement utilisateur, dispositif côté réseau, procédé de réglage de puissance et procédé de détermination de sg
PCT/CN2014/076868 WO2015139360A1 (fr) 2014-03-17 2014-05-06 Équipement utilisateur (ue), dispositif côté réseau, procédé de réglage de puissance et procédé de détermination de sg
CN201480001002.0A CN105309015A (zh) 2014-03-17 2014-05-06 Ue、网络侧设备、功率调整方法及sg确定方法

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