WO2013091465A1 - 一种上行发射功率控制方法及用户设备 - Google Patents

一种上行发射功率控制方法及用户设备 Download PDF

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Publication number
WO2013091465A1
WO2013091465A1 PCT/CN2012/085401 CN2012085401W WO2013091465A1 WO 2013091465 A1 WO2013091465 A1 WO 2013091465A1 CN 2012085401 W CN2012085401 W CN 2012085401W WO 2013091465 A1 WO2013091465 A1 WO 2013091465A1
Authority
WO
WIPO (PCT)
Prior art keywords
uplink channel
subframe
user equipment
carrier
carriers
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/CN2012/085401
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
张兴炜
常俊仁
陈玉华
范霄安
李博
成艳
李元杰
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 BR112014014959-3A priority Critical patent/BR112014014959B1/pt
Priority to IN4946CHN2014 priority patent/IN2014CN04946A/en
Priority to EP12860733.0A priority patent/EP2785119B1/en
Priority to JP2014547689A priority patent/JP5895065B2/ja
Priority to EP17210614.8A priority patent/EP3373666B1/en
Publication of WO2013091465A1 publication Critical patent/WO2013091465A1/zh
Priority to US14/309,579 priority patent/US9756581B2/en
Anticipated expiration legal-status Critical
Priority to US15/668,299 priority patent/US10887846B2/en
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
    • 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
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • 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]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR or Eb/lo
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
    • 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
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • 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
    • H04W52/365—Power headroom reporting

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an uplink transmit power control method and user equipment. Background technique
  • UE User Equipment
  • TA Timing Advance
  • the UE may learn the time advance amount required to send the uplink channel through the carrier, so that the time that the uplink channel sent through the carrier reaches the base station (Evolved Node B, ENB) is consistent with the ENB set time. Thereby, the uplink transmission time synchronization of the UE is completed, and then the UE can be scheduled for uplink transmission by the ENB.
  • the carrier can be divided into different Timing Advance Groups (TAGs) according to different TA values of the carriers, and the TA values of the carriers in each TAG are the same. Since the TA values of the carriers of different TAGs are different, when the UE transmits the uplink channel through carrier 1 and carrier 2 of different TAGs, subframe n of carrier 1 and adjacent subframe n+ of carrier 2 may appear as shown in FIG. 1 . 1 part overlaps, and in the overlapping area (about one symbol), it may happen that the UE uplink transmit power exceeds the maximum transmit power of the UE, resulting in power limitation, or the UE uplink transmit power reaches the interference level, resulting in interference limitation.
  • TAGs Timing Advance Groups
  • the embodiment of the invention provides an uplink transmit power control method and a user equipment, which are used to coordinately control the uplink transmit power of the UE when the UE transmits the uplink channel through carriers of different TAGs.
  • An uplink transmit power control method includes:
  • the user equipment determines whether the uplink channel is simultaneously transmitted on the adjacent subframes between the multiple carriers; the adjacent subframes of the plurality of carriers partially overlap; the multiple carriers have different timing advance values;
  • the user equipment processes the uplink channel of the last symbol transmission on the subframes in which the carriers other than the carriers with the largest timing advance value overlap. So that the total transmit power of the uplink channel is lower than the maximum transmit power or interference level of the user equipment.
  • a user equipment including:
  • a first determining unit configured to determine whether an uplink channel is simultaneously transmitted on a neighboring subframe between multiple carriers; the adjacent subframes of the multiple carriers partially overlap; the multiple carriers have different timing advance values; And configured to process, when the determination result of the first determining unit is YES, the uplink channel that is transmitted by the last symbol on the subframe in which the presence of the other carrier other than the carrier with the largest timing advance value is overlapped, The total transmit power of the uplink channel is lower than the maximum transmit power or interference level of the user equipment.
  • the UE when the UE determines that the uplink channel is simultaneously transmitted on the adjacent subframes between the carriers with different TA values (that is, between carriers of different TAGs), the UE may present the carriers other than the carrier with the largest TA value.
  • the uplink channel of the last symbol transmission on the partially overlapping subframe is processed such that the uplink channel total transmission power of the inter-carrier adjacent subframes having different TAs is lower than the UE maximum transmission power or interference level.
  • the uplink transmit power of the UE exceeds the maximum transmit power of the UE due to partial overlap of adjacent subframes between carriers of different TAGs, or the uplink transmit power of the UE reaches the interference level.
  • FIG. 1 is a schematic diagram of partial overlap of adjacent subframes between carrier 1 and carrier 2 having different TA values
  • FIG. 2 is a flowchart of an uplink transmit power control method according to an embodiment of the present invention
  • FIG. 4 is a structural diagram of a user equipment according to an embodiment of the present invention
  • FIG. 5 is a structural diagram of another user equipment according to an embodiment of the present invention.
  • the embodiment of the present invention provides an uplink transmit power control method and a user equipment, which can prevent the uplink transmit power of the UE from being exceeded due to overlapping of adjacent subframes between carriers of different TAGs when the UE transmits the uplink channel through carriers of different TAGs.
  • the maximum transmit power of the UE or the uplink transmit power of the UE reaches the interference level. The details are described below separately.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 2 is a flow chart of an uplink transmit power control method according to Embodiment 1 of the present invention. As shown in FIG. 2, the method may include the following steps:
  • the UE determines whether the uplink channel is simultaneously transmitted on the adjacent subframes between the carriers, where the adjacent subframes of the inter-carriers partially overlap, and the overlapping area is less than or equal to one symbol; and the TA value of each carrier between the carriers Different; if yes, go to step 202; if no, end the process.
  • carriers having different TA values may be carriers of different TAGs.
  • carriers of different TAGs have different TA values.
  • the foregoing uplink channel may be a physical uplink control channel (PUCCH), a physical uplink shared channel (PUSCH), a sounding reference signal (SRS), or
  • the physical random access channel (PRACH) is not specifically limited in the embodiment of the present invention.
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • SRS sounding reference signal
  • PRACH physical random access channel
  • uplink channels are simultaneously transmitted on adjacent subframes with different TA values, adjacent subframes with different TA values will partially overlap, and the overlapping area is less than or equal to one symbol. For example, assume that the radius of the cell is 10 km (10 km is the radius of the common largest cell), while carrier 1 and carrier 2 serving the UE are respectively derived from the macro base station (Marco ENB) and the micro base station (Pico ENB) in the cell.
  • Marco ENB macro base station
  • Pico ENB micro base station
  • the micro base station is at the edge of the cell covered by the macro base station, and the distance to the UE is very close (that is, the TA value of the carrier 2 is about 0), then the maximum TA difference between the carrier 1 and the carrier 2 is the time from the macro base station to the UE.
  • the symbol referred to in the embodiment of the present invention is an Orthogonal Frequency Division Multiplexing (OFDM) symbol.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the UE processes the uplink channel of the last symbol transmission on the subframe of the other carrier except the carrier with the largest TA value, so that the total uplink transmit power of the adjacent subframe between the carriers is lower than the UE. Maximum transmit power or interference level.
  • the interference level is also expressed in the form of power.
  • the interference of the uplink channel to other neighboring cells is relatively small; otherwise, the uplink channel is used for other neighboring cells.
  • the interference is relatively large.
  • the level of interference level can be set by a person skilled in the art according to the actual situation.
  • the absolute value of the TA value of carrier 1 is smaller than the absolute value of the TA value of carrier 2.
  • the transmission of subframe n+1 is started.
  • the carrier 1 is still transmitting the signal of the subframe n, where the carrier with the largest TA value refers to the carrier with the largest absolute value of the TA value.
  • the carrier with the largest absolute value of the TA value of FIG. 1 For the carrier with the largest absolute value of the TA value of FIG.
  • the carrier 2, the UE may The subframe of the other carrier other than the carrier 2 having the largest TA value, such as the subframe n of the carrier 1 (the subframe n of the carrier 1 overlaps with the subframe n+1 of the carrier 2), the uplink channel of the last symbol transmission
  • the processing is performed such that the uplink channel total transmission power of the subframe n of the carrier 1 and the subframe n+1 of the carrier 2 is lower than the maximum transmission power or interference level of the UE.
  • the carrier with the largest TA value is carrier 2; and the subframe of the carrier other than the carrier with the largest TA value is the subframe n of carrier 1.
  • the UE may subtract its maximum transmit power from the maximum value of the TA value.
  • the uplink channel transmit power of the wave obtains the remaining power, and uses the remaining power as the transmit power of the uplink channel transmitted by the last symbol on the subframe of the other carrier other than the carrier with the largest TA value, so that the inter-carrier phase o uplink channel subframe total transmit power is less than the maximum UE transmit power or interference level further 1 J; wherein, carriers having different values of specific TA may be two.
  • the UE may equally allocate the remaining power to
  • the UE may subtract the uplink channel transmission power of carrier 2 from its maximum transmit power to obtain remaining power, and use the remaining power as the last subframe n of carrier 1.
  • the transmit power of the uplink channel of one symbol transmission such that the total transmit power of the uplink channel of the subframe n of the carrier 1 and the subframe n+1 of the carrier 2 is lower than the maximum transmit power or interference level of the UE.
  • the UE may discard the uplink channel of the last symbol transmission on the subframe other than the carrier with the largest TA value, so that the uplink channel of the adjacent subframe between the carriers is used.
  • the total transmit power is lower than the maximum transmit power or interference level of the UE.
  • the uplink channel on the subframe of the other carriers includes the SRS, the last symbol of the PUCCH, the last symbol of the PUSCH, and the like.
  • the UE may discard the uplink channel transmitted by the last symbol on subframe n of carrier 1 to The uplink channel total transmission power of the subframe n of the carrier 1 and the subframe n+1 of the carrier 2 is made lower than the maximum transmission power or interference level of the UE.
  • the UE may use the shortened uplink channel transmission format on the subframe of the other carrier except the carrier with the largest TA value to make the last symbol transmission on the subframe empty.
  • the uplink channel total transmit power of the adjacent subframes of the inter-carrier is lower than the maximum transmit power or the interference level of the UE.
  • the uplink channel on the subframe of the other carriers is the PUCCH.
  • the UE may use the shortened PUCCH format on subframe n of carrier 1 to make carrier 1
  • the last symbol transmission on subframe n is null, so that the uplink channel total transmission power of subframe n of carrier 1 and subframe n+1 of carrier 2 is lower than the maximum transmission power or interference level of the UE.
  • the UE may perform rate matching on the uplink channel on the subframes of other carriers except the carrier with the largest TA value, so that the last symbol on the subframe is transmitted to be empty.
  • the uplink channel total transmit power of the adjacent inter-carrier subframes is lower than the UE maximum transmit power or interference level; wherein, the uplink channel on the subframe of the other carriers is a PUSCH.
  • the UE may rate match the uplink channel on the subframe n of the carrier 1 such that the last symbol on the subframe n of the carrier 1 is null, so that the subframe n of the carrier 1 and the subframe of the carrier 2
  • the total transmit power of the uplink channel of n+1 is lower than the maximum transmit power or interference level of the UE.
  • the UE may discard the uplink channel of the last symbol transmission on the subframe other than the carrier with the largest TA value, so that the uplink channel of the adjacent subframe between the carriers is used.
  • the total transmit power is lower than the maximum transmit power or interference level of the UE; wherein, the uplink channel on the subframe of the other carrier is a PRACH, and the subframe of the other carrier is not the last subframe used to transmit the preamble.
  • the uplink channel on subframe n of carrier 1 is a PRACH
  • the preamble transmitted by the UE on the PRACH may occupy 1-3 subframes
  • the carrier The subframe n of 1 is not the last subframe in which the UE transmits the preamble
  • the PRACH of the last symbol transmission on the subframe n of the carrier 1 may be discarded, so that the subframe n of the carrier 1 and the subframe n of the carrier 2
  • the total transmit power of the +1 uplink channel is lower than the maximum transmit power or interference level of the UE.
  • the PRACH of the last symbol transmission on the subframe n of the carrier 1 may not be processed because the preamble does not occupy the PRACH resource, the carrier 1
  • the last symbol of subframe n belongs to the range of the guard band.
  • the first embodiment of the present invention can prevent the UE from transmitting uplink channels through carriers of different TAGs, and the uplink transmit power of the UE exceeds the maximum transmit power of the UE due to partial overlap of adjacent subframes of different TAGs, resulting in power limitation, or uplink of the UE.
  • the transmission power reaches the interference level and the interference is limited.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 3 is a flowchart of an uplink transmit power control method according to Embodiment 2 of the present invention.
  • the total uplink transmit power of the inter-carrier adjacent subframes with different TA values may not exceed the maximum transmit power or interference level of the UE, if always according to the first embodiment.
  • the described method is processed, and there may be a certain amount of overhead transmission power waste.
  • the second embodiment of the present invention can solve the problem that the uplink transmit power may be wasted in the first embodiment.
  • the method may include the following steps:
  • the UE determines whether the uplink channel is simultaneously transmitted on the adjacent subframes between the carriers; wherein, the adjacent subframes between the carriers partially overlap, and the overlapping area is less than or equal to one symbol; and the TA value of each carrier between the carriers Different; if yes, go to step 302; if no, end the process.
  • the UE determines whether the total uplink transmit power of the adjacent subframes of the inter-carrier exceeds the maximum transmit power or interference level of the UE. If yes, step 303 is performed; if no, step 304 is performed.
  • the UE processes an uplink channel of the last symbol transmission on the subframe of the other carrier except the carrier with the largest TA value, so that the total uplink transmit power of the adjacent subframe between the carriers is lower than the UE. Maximum transmit power or interference level.
  • step 303 has been described in detail in the step 202 of the first embodiment, and the second embodiment of the present invention is not repeated.
  • the UE allows the adjacent subframes between the carriers to simultaneously transmit the uplink channel in an overlapping range of the adjacent subframes.
  • the second embodiment of the present invention can prevent the UE from transmitting uplink channels through carriers of different TAGs, and the uplink transmit power of the UE exceeds the maximum transmit power of the UE due to partial overlap of adjacent subframes of different TAGs, resulting in power limitation, or uplink of the UE.
  • the transmission power reaches the interference level and the interference is limited.
  • the second embodiment of the present invention can also reduce the waste of uplink transmission power.
  • the uplink transmit power control method provided by the embodiment of the present invention is clearly and completely introduced. Since the UE processes the uplink channel of the last symbol transmission on the subframe of the other carrier other than the carrier with the largest TA value and does not notify the ENB, the ENB may have a decoding error when decoding. In order to solve this problem, the ENB may perform the following operations: 1. The ENB respectively assumes that the UE does not process the uplink channel of the last symbol transmission on the subframe other than the carrier with the largest TA value, and the UE pairs the TA. The uplink channel of the last symbol transmission on the subframe of the other carrier other than the carrier with the largest value is processed and decoded twice, so that the ENB can obtain correct decoding; 2. After the ENB decoding error, the NACK is sent to the UE, so that The UE retransmits, which will lose the performance of the uplink channel.
  • Embodiment 3 is a decoding error when decoding.
  • FIG. 4 is a structural diagram of a user equipment according to Embodiment 3 of the present invention.
  • the user equipment provided in Embodiment 3 of the present invention may be a mobile phone, a palmtop computer, or the like.
  • the user equipment may include:
  • a first determining unit 401 configured to determine whether an uplink channel is simultaneously transmitted on an adjacent subframe between carriers; wherein, the adjacent subframes of the inter-carrier partially overlap, and the overlapping area is less than or equal to one symbol; and between the carriers Each carrier has a different TA value.
  • the processing unit 402 is configured to: when the determination result of the first determining unit 401 is YES, process an uplink channel of the last symbol transmission on the subframe other than the carrier with the largest TA value, so that The total transmit power of the uplink channel of the adjacent subframe between the carriers is lower than the maximum transmit power or interference level of the user equipment.
  • the processing unit 402 is specifically configured to subtract the uplink transmit power of the carrier with the largest TA value from the maximum transmit power to obtain the remaining power, and use the remaining power as the carrier with the largest TA value.
  • the processing unit 402 is specifically configured to subtract the maximum channel transmit power of the carrier with the largest TA value to obtain the remaining power, and allocate the remaining power to the other carriers except the carrier with the largest TA value.
  • the processing unit 402 is specifically configured to discard the uplink channel of the last symbol transmission on the subframe of the other carrier except the carrier with the largest TA value, so that the inter-carrier phase
  • the uplink channel total transmit power of the neighboring subframe is lower than the maximum transmit power or interference level of the user equipment; wherein the uplink channel on the subframe of the other carrier includes the SRS, the last symbol of the PUCCH, the last symbol of the PUSCH, and the like.
  • the processing unit 402 is specifically configured to use the shortened uplink channel transmission format on the subframe of the carrier other than the carrier with the largest TA value to make the last symbol on the subframe.
  • the transmission is empty, so that the total uplink power of the uplink channel of the adjacent subframe between the carriers is lower than The maximum transmit power or interference level of the user equipment; wherein, the uplink channel on the subframe of the other carrier is PUCCH 0
  • the processing unit 402 is specifically configured to perform rate matching on an uplink channel on the subframe other than the carrier with the largest TA value to transmit the last symbol on the subframe.
  • the uplink channel total transmit power of the adjacent subframes is lower than the maximum transmit power or interference level of the user equipment.
  • the uplink channel on the subframe of the other carriers is the PUSCH.
  • the processing unit 402 is specifically configured to discard the uplink channel of the last symbol transmission on the subframe of the other carrier except the carrier with the largest TA value, so that the inter-carrier phase
  • the uplink channel total transmit power of the neighboring subframe is lower than the maximum transmit power or interference level of the user equipment; wherein, the uplink channel on the subframe of the other carrier is a PRACH, and the subframe of the other carrier is not used to transmit the preamble The last sub-frame.
  • the user equipment provided by the third embodiment of the present invention can prevent the UE from transmitting power to the uplink channel through different carriers of different TAGs, and the uplink transmit power of the UE exceeds the maximum transmit power of the UE, resulting in power limitation. , or the UE's uplink transmit power reaches the interference level, resulting in limited interference.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • FIG. 5 is a structural diagram of a user equipment according to Embodiment 4 of the present invention.
  • the user equipment provided in Embodiment 4 of the present invention is optimized by the user equipment shown in FIG. 4.
  • the user equipment may include a second judging unit 403 in addition to the first judging unit 401 and the processing unit 402. among them:
  • the second determining unit 403 is configured to determine, when the determination result of the first determining unit 401 is YES, whether the total channel uplink transmit power of the adjacent subframes between the carriers exceeds a maximum transmit power or interference level of the user equipment.
  • the processing unit 402 is specifically configured to: when the determination result of the second determining unit 403 is
  • the uplink channel of the last symbol transmission on the subframe of the other carrier except the carrier with the largest TA value is processed, so that the total uplink power of the uplink channel of the adjacent subframe between the carriers is lower than the maximum transmission power of the user equipment. Or interference level.
  • the processing unit is further configured to allow the adjacent subframes between the carriers to simultaneously transmit the uplink channel in the overlapping range of the adjacent subframes when the determination result of the second determining unit 403 is NO.
  • the user equipment provided in Embodiment 4 of the present invention can prevent the UE from transmitting power to the uplink channel of different TAGs, and the uplink transmit power of the UE exceeds the maximum transmit power of the UE, resulting in power limitation. , or the UE's uplink transmit power reaches the interference level, resulting in limited interference. Moreover, the user equipment provided in Embodiment 4 of the present invention can also reduce the uplink transmission power waste.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Flash disk, read-only memory (ROM), random access memory (RAM), disk or optical disk.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/CN2012/085401 2011-12-19 2012-11-28 一种上行发射功率控制方法及用户设备 Ceased WO2013091465A1 (zh)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BR112014014959-3A BR112014014959B1 (pt) 2011-12-19 2012-11-28 Método de controle de potência de transmissão de enlace ascendente e equipamento de usuário
IN4946CHN2014 IN2014CN04946A (enExample) 2011-12-19 2012-11-28
EP12860733.0A EP2785119B1 (en) 2011-12-19 2012-11-28 Method and user equipment for controlling uplink transmission power
JP2014547689A JP5895065B2 (ja) 2011-12-19 2012-11-28 上り送信電力制御の方法およびユーザ装置
EP17210614.8A EP3373666B1 (en) 2011-12-19 2012-11-28 Uplink transmission power control method and user equipment
US14/309,579 US9756581B2 (en) 2011-12-19 2014-06-19 Uplink transmission power control method and user equipment
US15/668,299 US10887846B2 (en) 2011-12-19 2017-08-03 Uplink transmission power control method and user equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110426330.3A CN103167594B (zh) 2011-12-19 2011-12-19 一种上行发射功率控制方法及用户设备
CN201110426330.3 2011-12-19

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US14/309,579 Continuation US9756581B2 (en) 2011-12-19 2014-06-19 Uplink transmission power control method and user equipment

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WO2013091465A1 true WO2013091465A1 (zh) 2013-06-27

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EP (2) EP3373666B1 (enExample)
JP (1) JP5895065B2 (enExample)
CN (4) CN104902554B (enExample)
BR (1) BR112014014959B1 (enExample)
IN (1) IN2014CN04946A (enExample)
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US20170332332A1 (en) 2017-11-16
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