WO2015062024A1 - 功率控制方法、用户设备和基站 - Google Patents

功率控制方法、用户设备和基站 Download PDF

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Publication number
WO2015062024A1
WO2015062024A1 PCT/CN2013/086322 CN2013086322W WO2015062024A1 WO 2015062024 A1 WO2015062024 A1 WO 2015062024A1 CN 2013086322 W CN2013086322 W CN 2013086322W WO 2015062024 A1 WO2015062024 A1 WO 2015062024A1
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WO
WIPO (PCT)
Prior art keywords
wifi
cellular network
upper limit
uplink
power
Prior art date
Application number
PCT/CN2013/086322
Other languages
English (en)
French (fr)
Inventor
张健
曾清海
郭轶
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2013/086322 priority Critical patent/WO2015062024A1/zh
Priority to CN201380003184.0A priority patent/CN105052218A/zh
Publication of WO2015062024A1 publication Critical patent/WO2015062024A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC 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
    • H04W52/367Power values between minimum and maximum limits, e.g. dynamic range
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control

Definitions

  • the embodiments of the present invention relate to communication technologies, and in particular, to a power control method, a user equipment, and a base station. Background technique
  • 3GPP the 3rd generation partnership project
  • 3GPP LTE-A long term Evolution advanced, a long-term evolution advanced system proposes a carrier aggregation solution.
  • Carrier aggregation is the aggregation of two or more contiguous or non-contiguous carrier units to support larger transmission bandwidths, thereby increasing peak data rates and system throughput while addressing carrier spectrum discontinuities.
  • Each component carrier corresponds to a cell, and a UE (User Equipment) and a PCell (Primary Cell) and at least one SCell (Secondary Cell) are configured. Connected.
  • Carrier aggregation can be performed within the same radio access technology, for example, carrier aggregation in LTE system or carrier aggregation in UMTS (universal mobile telecommunications system), or in different radio access technologies. For example, carrier aggregation between LTE and UMTS systems or carrier aggregation between LTE and WLAN (Wireless Local Area Networks).
  • LTE radio access technology and UMTS radio access technology belong to the cellular communication system.
  • WLAN is also commonly called WiFi (Wireless Fidelity).
  • WiFi Wireless Fidelity
  • the UE simultaneously transmits uplink data to the cellular network and the WiFi, the problem of uplink data transmission failure often occurs. Summary of the invention
  • the embodiment of the invention provides a power control method, a user equipment and a base station.
  • a power control method including:
  • the user equipment UE determines whether the total power of simultaneously transmitting uplink data on the cellular network and the wireless fidelity WiFi exceeds an upper limit value
  • the UE sends uplink data to the base station eNB according to the uplink data transmission policy, where the uplink data transmission policy is used to make the total power not exceed the upper limit value.
  • the UE before the sending, by the UE, the uplink data according to the uplink data sending policy, the UE further includes:
  • the UE receives the uplink data transmission policy sent by the eNB.
  • the uplink data sending policy includes:
  • the simultaneous sending policy is used to enable the UE to simultaneously send uplink data on the cellular network and the WiFi, and the sum of the uplink sending power of the UE on the cellular network and the uplink sending power on the WiFi is less than or equal to the first An upper limit value; or used to make the uplink transmit power of the UE on the cellular network equal to or less than the upper limit value X, the uplink transmit power on the WiFi is less than or equal to the upper limit value Y, and X+Y ⁇ the first upper limit value ;
  • time-sharing policy is used to enable the UE to send uplink data on the cellular network and the WiFi, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or in the WiFi.
  • the uplink transmit power is less than or equal to the second upper limit.
  • the simultaneous sending policy includes at least one of the following policies: a first simultaneous sending policy, where the first simultaneous sending policy is used to preferentially meet the required requirements on the cellular network.
  • the uplink transmission power, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the third simultaneous transmission policy is used to preferentially satisfy the UE
  • the uplink transmission power of the cellular network or WiFi that needs to send signaling
  • the uplink transmission power required on the cellular network is preferentially satisfied, and on the cellular network
  • the sum of the uplink transmit power and the uplink transmit power on the WiFi is less than or equal to the first upper limit value
  • the fourth simultaneous transmission policy is used to reduce the uplink transmission power required by the UE on the cellular network and the uplink transmission power required on the WiFi, and the uplink transmission is reduced.
  • the sum of the powers is less than or equal to the first upper limit value
  • a fifth simultaneous transmission policy where the fifth simultaneous transmission policy is used to enable the uplink transmission power of the UE on the WiFi not to exceed a maximum power limit of the WiFi.
  • the time-sharing sending policy includes at least one of the following policies: a first time-sharing sending policy, where the first time-sharing sending policy is used to enable the UE to perform in a first subframe.
  • the uplink transmission of the cellular network the UE performs the uplink transmission of the WiFi in the second subframe, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or uplink transmission on the WiFi.
  • the power is less than or equal to the second upper limit value;
  • the second time-sharing policy is used to enable the UE to perform uplink transmission of the WiFi in a downlink subframe position of the time-division cellular network, and the uplink transmission power of the UE on the cellular network is smaller than Equivalent to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the third time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi during an inactive time when the cellular network is in a discontinuous reception mode, and the UE
  • the uplink transmit power on the cellular network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the fourth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network during the sleep state in which the WiFi is in the power-saving mode, and the UE is on the cellular network
  • the uplink transmission power is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • a fifth time-sharing policy where the fifth time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi when the cellular network performs downlink reception and no uplink transmission, and the UE is in a cellular
  • the uplink transmit power on the network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • a sixth time-sharing policy where the sixth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network when the WiFi performs downlink reception, and the uplink transmission power of the UE on the cellular network
  • the first upper limit value is less than or equal to or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • a seventh time-sharing policy where the seventh time-sharing policy is used to enable the UE to delay uplink transmission or cancellation on the WiFi when the uplink resource is uplinked on the cellular network.
  • the uplink transmission is performed on the uplink, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the UE before determining, by the UE, whether the total power of the uplink data simultaneously transmitted on the cellular network and the WiFi exceeds the upper limit, the UE further includes:
  • the UE receives the SAR transmitted by the eNB, and determines the upper limit value according to the SAR.
  • the UE before determining, by the UE, whether the total power of the uplink data simultaneously transmitted on the cellular network and the WiFi exceeds the upper limit, the UE further includes:
  • the UE sends power reference information to the eNB, so that the eNB determines the uplink data transmission policy according to the power reference information.
  • the sending the power reference information by the UE to the eNB includes: sending, by the UE, a power headroom report PHR to the eNB on the cellular network, where the PHR includes the WiFi required by the UE. Power headroom and/or maximum power limit used;
  • the UE sends a PHR to the eNB on the cellular network, and the power headroom PH value included in the PHR is a power headroom value after removing a power headroom used on the WiFi required by the UE.
  • another power control method including: The base station eNB determines an uplink data transmission policy for the user equipment UE to send uplink data on the cellular network and the wireless fidelity WiFi, where the uplink data transmission policy is used to enable the UE to simultaneously send uplink data on the cellular network and the wireless fidelity WiFi.
  • the total power does not exceed the upper limit;
  • the eNB sends the uplink data transmission policy to the UE.
  • the uplink data sending policy includes:
  • the simultaneous sending policy is used to enable the UE to simultaneously send uplink data on the cellular network and the WiFi, and the sum of the uplink sending power of the UE on the cellular network and the uplink sending power on the WiFi is less than or equal to the first An upper limit value; or used to make the uplink transmit power of the UE on the cellular network equal to or less than the upper limit value X, the uplink transmit power on the WiFi is less than or equal to the upper limit value Y, and X+Y ⁇ the first upper limit value ;
  • time-sharing policy is used to enable the UE to send uplink data on the cellular network and the WiFi in a time-sharing manner, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or in the WiFi.
  • the uplink transmit power is less than or equal to the second upper limit.
  • the simultaneous sending policy includes at least one of the following policies: a first simultaneous sending policy, where the first simultaneous sending policy is used to preferentially meet the required requirements on the cellular network.
  • the uplink transmission power, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the second simultaneous transmission policy is used to enable the UE to preferentially satisfy the uplink transmission power on the network where the uplink data with the high priority of the service in the uplink data sent on the cellular network and the WiFi is located, If the priorities are the same, the uplink transmit power required on the cellular network is preferentially satisfied, and the sum of the uplink transmit power on the cellular network and the uplink transmit power on the WiFi is less than or equal to the first upper limit value;
  • the third simultaneous transmission policy is used to preferentially satisfy the uplink transmission power of the cellular network or WiFi that needs to send signaling, and if signaling needs to be sent on both the cellular network and the WiFi
  • the priority of the uplink transmission power required on the cellular network is preferentially satisfied, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the fourth simultaneous transmission policy is used to reduce the uplink transmission power required by the UE on the cellular network and the uplink transmission power required on the WiFi network, And the sum of the reduced uplink transmit power is less than or equal to the first upper limit value;
  • a fifth simultaneous transmission policy where the fifth simultaneous transmission policy is used to enable the uplink transmission power of the UE on the WiFi not to exceed a maximum power limit of the WiFi.
  • the time-sharing sending policy includes at least one of the following policies: a first time-sharing sending policy, where the first time-sharing sending policy is used to enable the UE to perform in a first subframe.
  • the uplink transmission of the cellular network the UE performs the uplink transmission of the WiFi in the second subframe, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or uplink transmission on the WiFi.
  • the power is less than or equal to the second upper limit value;
  • the second time-sharing policy is used to enable the UE to perform uplink transmission of the WiFi in a downlink subframe position of the time-division cellular network, and the uplink transmission power of the UE on the cellular network is smaller than Equivalent to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the third time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi during an inactive time when the cellular network is in a discontinuous reception mode, and the UE
  • the uplink transmit power on the cellular network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the fourth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network during the sleep state in which the WiFi is in the power-saving mode, and the UE is on the cellular network
  • the uplink transmission power is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • the fifth time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi when the cellular network performs downlink reception and no uplink transmission, and the UE is in a cellular
  • the uplink transmit power on the network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • a sixth time-sharing policy where the sixth time-sharing policy is used to enable the UE to be in the
  • the uplink transmission is performed on the cellular network, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • a seventh time-sharing policy where the seventh time-sharing policy is used to delay uplink sending on the WiFi when the UE has uplink resources on the cellular network for uplink transmission. Or canceling the uplink transmission that is being performed on the WiFi, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the method further includes:
  • the eNB transmits an electromagnetic wave energy absorption ratio SAR to the UE, so that the UE determines the upper limit value according to the SAR.
  • the eNB further includes:
  • the eNB determines an uplink data transmission policy for the UE to send uplink data on the cellular network and the WiFi, including:
  • the eNB determines the uplink data transmission policy according to the power reference information of the WiFi.
  • the eNB receives the power reference information sent by the UE or the WiFi access point where the UE is located, and includes:
  • the eNB receives the PHR sent by the UE and/or the maximum power limit sent by the WiFi access point where the UE is located, and the power headroom PH value included in the PHR is required to remove the UE on the WiFi.
  • the present invention provides a user equipment UE, including:
  • a determining module configured to determine whether a total power of simultaneously transmitting uplink data on the cellular network and the wireless fidelity WiFi exceeds an upper limit
  • An uplink sending module if used, if it exceeds, according to an uplink data sending policy, to the base station eNB Sending uplink data, where the uplink data transmission policy is used to make the total power not exceed the upper limit value.
  • the uplink sending module is further configured to receive, according to the uplink data sending policy, the uplink data sending policy sent by the eNB before sending the uplink data.
  • the uplink data sending policy includes:
  • the simultaneous sending policy is used to enable the UE to simultaneously send uplink data on the cellular network and the WiFi, and the sum of the uplink sending power of the UE on the cellular network and the uplink sending power on the WiFi is less than or equal to the first An upper limit value; or used to make the uplink transmit power of the UE on the cellular network equal to or less than the upper limit value X, the uplink transmit power on the WiFi is less than or equal to the upper limit value Y, and X+Y ⁇ the first upper limit value ;
  • time-sharing policy is used to enable the UE to send uplink data on the cellular network and the WiFi in a time-sharing manner, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or in the WiFi.
  • the uplink transmit power is less than or equal to the second upper limit.
  • the simultaneous sending policy includes at least one of the following policies: a first simultaneous sending policy, where the first simultaneous sending policy is used to preferentially meet the required requirements on the cellular network.
  • the uplink transmission power, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the second simultaneous transmission policy is used to enable the UE to preferentially satisfy the uplink transmission power on the network where the uplink data with the high priority of the service in the uplink data sent on the cellular network and the WiFi is located, If the priorities are the same, the uplink transmit power required on the cellular network is preferentially satisfied, and the sum of the uplink transmit power on the cellular network and the uplink transmit power on the WiFi is less than or equal to the first upper limit value;
  • the third simultaneous transmission policy is used to preferentially satisfy the uplink transmission power of the cellular network or WiFi that needs to send signaling, and if signaling needs to be sent on both the cellular network and the WiFi
  • the priority of the uplink transmission power required on the cellular network is preferentially satisfied, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the fourth simultaneous transmission policy is used to reduce the uplink transmission power required by the UE on the cellular network and the uplink transmission power required on the WiFi network, And the sum of the reduced uplink transmit power is less than or equal to the first upper limit value;
  • a fifth simultaneous transmission policy where the fifth simultaneous transmission policy is used to enable the uplink transmission power of the UE on the WiFi not to exceed a maximum power limit of the WiFi.
  • the time-sharing sending policy includes at least one of the following policies: a first time-sharing sending policy, where the first time-sharing sending policy is used to enable the UE to perform in a first subframe.
  • the uplink transmission of the cellular network the UE performs the uplink transmission of the WiFi in the second subframe, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or uplink transmission on the WiFi.
  • the power is less than or equal to the second upper limit value;
  • the second time-sharing policy is used to enable the UE to perform uplink transmission of the WiFi in a downlink subframe position of the time-division cellular network, and the uplink transmission power of the UE on the cellular network is smaller than Equivalent to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the third time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi during an inactive time when the cellular network is in a discontinuous reception mode, and the UE
  • the uplink transmit power on the cellular network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the fourth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network during the sleep state in which the WiFi is in the power-saving mode, and the UE is on the cellular network
  • the uplink transmission power is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • the fifth time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi when the cellular network performs downlink reception and no uplink transmission, and the UE is in a cellular
  • the uplink transmit power on the network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • a sixth time-sharing policy where the sixth time-sharing policy is used to enable the UE to be in the
  • the uplink transmission is performed on the cellular network, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • a seventh time-sharing policy where the seventh time-sharing policy is used to delay uplink sending on the WiFi when the UE has uplink resources on the cellular network for uplink transmission. Or canceling the uplink transmission that is being performed on the WiFi, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the determining module is further configured to determine whether the total power of the uplink data simultaneously transmitted on the cellular network and the WiFi exceeds the upper limit value before:
  • the determining module is further configured to: before determining whether the total power of the uplink data sent by the cellular network and the WiFi exceeds the upper limit, send power reference information to the eNB, so that the eNB is configured according to the power The reference information determines the uplink data transmission policy.
  • the determining module is specifically configured to send, on the cellular network, a power headroom report PHR to the eNB, where the PHR includes a power headroom and/or a power headroom used by the UE.
  • Maximum power limit is specifically configured to send, on the cellular network, a power headroom report PHR to the eNB, where the PHR includes a power headroom and/or a power headroom used by the UE.
  • a PHR is sent to the eNB on the cellular network, and a power headroom PH value included in the PHR is a power headroom value after removing a power headroom used on the WiFi required by the UE.
  • a base station eNB including:
  • a determining module configured to determine an uplink data sending policy for the user equipment UE to send uplink data on the cellular network and the wireless fidelity WiFi, where the uplink data sending policy is used to enable the UE to simultaneously send on the cellular network and the wireless fidelity WiFi
  • the uplink power module does not exceed the upper limit; the downlink sending module is configured to send the uplink data sending policy to the UE.
  • the uplink data sending policy includes:
  • the simultaneous sending policy is used to enable the UE to simultaneously send uplink data on the cellular network and the WiFi, and the sum of the uplink sending power of the UE on the cellular network and the uplink sending power on the WiFi is less than or equal to the first An upper limit value; or used to make the uplink transmit power of the UE on the cellular network equal to or less than the upper limit value X, and the uplink transmit power on the WiFi is less than Equal to the upper limit Y, and ⁇ + ⁇ ⁇ the first upper limit;
  • time-sharing policy is used to enable the UE to send uplink data on the cellular network and the WiFi in a time-sharing manner, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or in the WiFi.
  • the uplink transmit power is less than or equal to the second upper limit.
  • the simultaneous sending policy includes at least one of the following policies: a first simultaneous sending policy, where the first simultaneous sending policy is used to preferentially meet the required requirements on the cellular network.
  • the uplink transmission power, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the second simultaneous transmission policy is used to enable the UE to preferentially satisfy the uplink transmission power on the network where the uplink data with the high priority of the service in the uplink data sent on the cellular network and the WiFi is located, If the priorities are the same, the uplink transmit power required on the cellular network is preferentially satisfied, and the sum of the uplink transmit power on the cellular network and the uplink transmit power on the WiFi is less than or equal to the first upper limit value;
  • the third simultaneous transmission policy is used to preferentially satisfy the uplink transmission power of the cellular network or WiFi that needs to send signaling, and if signaling needs to be sent on both the cellular network and the WiFi
  • the priority of the uplink transmission power required on the cellular network is preferentially satisfied, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the fourth simultaneous transmission policy is used to reduce the uplink transmission power required by the UE on the cellular network and the uplink transmission power required on the WiFi, and the uplink transmission is reduced.
  • the sum of the powers is less than or equal to the first upper limit value
  • a fifth simultaneous transmission policy where the fifth simultaneous transmission policy is used to enable the uplink transmission power of the UE on the WiFi not to exceed a maximum power limit of the WiFi.
  • the time-sharing sending policy includes at least one of the following policies: a first time-sharing sending policy, where the first time-sharing sending policy is used to enable the UE to perform in a first subframe.
  • the uplink transmission of the cellular network the UE performs the uplink transmission of the WiFi in the second subframe, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or uplink transmission on the WiFi.
  • the power is less than or equal to the second upper limit value;
  • the second time-sharing policy is used to enable the UE to be in time-division
  • the downlink transmission of the WiFi network is performed, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • the third time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi during an inactive time when the cellular network is in a discontinuous reception mode, and the UE
  • the uplink transmit power on the cellular network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the fourth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network during the sleep state in which the WiFi is in the power-saving mode, and the UE is on the cellular network
  • the uplink transmission power is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • the fifth time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi when the cellular network performs downlink reception and no uplink transmission, and the UE is in a cellular
  • the uplink transmit power on the network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the sixth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network when the WiFi performs downlink reception, and the uplink transmission power of the UE on the cellular network
  • the first upper limit value is less than or equal to or the uplink transmit power on the WiFi is less than or equal to the second upper limit value
  • a seventh time-sharing policy where the seventh time-sharing policy is used to enable the UE to delay uplink transmission or cancellation on the WiFi when the uplink resource is uplinked on the cellular network.
  • the uplink transmission is performed on the uplink, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the downlink sending module is further configured to: when the uplink data sending policy is sent to the UE, send the upper limit value to the UE, or send an electromagnetic wave energy absorption ratio SAR to the UE, And causing the UE to determine the upper limit value according to the SAR.
  • the determining module is further configured to: before receiving the uplink data sending policy that the UE sends the uplink data on the cellular network and the WiFi, receive the power reference information sent by the UE or the WiFi access point where the UE is located; Correspondingly, the determining module is specifically configured to:
  • the determining module is specifically configured to receive a PHR sent by the UE and/or a maximum power limit sent by the WiFi access point where the UE is located, where the PHR includes the required WiFi on the WiFi Power headroom and/or maximum power limit used;
  • FIG. 1 is a flowchart of Embodiment 1 of a power control method according to the present invention.
  • Embodiment 2 is a flowchart of Embodiment 2 of a power control method according to the present invention
  • Embodiment 1 of a user equipment according to the present invention is a schematic structural diagram of Embodiment 1 of a user equipment according to the present invention.
  • Embodiment 4 is a schematic structural diagram of Embodiment 2 of a user equipment according to the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • the technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention.
  • the embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
  • 1 is a flowchart of Embodiment 1 of a power control method according to the present invention. As shown in FIG. 1, the method in this embodiment may include:
  • the UE determines whether the total power of the uplink data sent simultaneously on the cellular network and the WiFi exceeds an upper limit.
  • the UE sends uplink data to the base station eNB according to the uplink data transmission policy, where the uplink data transmission policy is used to prevent the total power from exceeding the upper limit.
  • the UE may need to simultaneously send uplink data to the cellular network and the WiFi, but for the UE, the uplink transmit power is limited. If the sum of the transmit power of the uplink data transmitted by the UE on the cellular network and the transmit power of the uplink data transmitted by the UE on the WiFi exceeds the upper limit of the uplink transmit power of the UE, the uplink data of the UE may have a problem of transmission failure. Moreover, the fact that the UE simultaneously transmits uplink data on the cellular network and WiFi involves a problem of SAR (Specific Absorption Rate).
  • SAR Specific Absorption Rate
  • SAR can characterize the electromagnetic energy absorbed by unit time and unit organism mass, if the sum of the transmitting power of the UE transmitting uplink data on the cellular network and the transmitting power of the UE transmitting uplink data over WiFi exceeds The upper limit of its uplink transmit power also causes a problem of higher electromagnetic radiation.
  • the UE may determine whether the total power of the uplink data sent simultaneously on the cellular network and the WiFi exceeds the upper limit.
  • the limit value may be dynamically configured by the base station eNB to the UE, or may be pre-configured by the UE.
  • the setting of the upper limit value may be set by considering various factors, for example, the uplink transmit power required by the UE itself, the uplink transmit power of the eNB to limit the UE, the SAR limit, and the like, which are not limited in this embodiment.
  • the UE may send the uplink data to the base station eNB according to the uplink data transmission policy.
  • the uplink data transmission policy may be pre-configured in the UE, or may be dynamically notified by the eNB, that is, the UE may receive the uplink data transmission policy sent by the eNB before sending the uplink data according to the uplink data transmission policy. .
  • the uplink data transmission policy is used to enable the UE to simultaneously transmit the total power of the uplink data on the cellular network and the WiFi without exceeding the upper limit value.
  • the method may further include: obtaining the upper limit: Manner 1: The UE receives the upper limit value sent by the eNB;
  • Manner 2 The UE determines the upper limit value according to a predetermined SAR
  • Manner 3 The UE receives the SAR sent by the eNB, and determines the upper limit according to the SAR. In addition, before the UE determines whether the total power of the uplink data to be simultaneously transmitted on the cellular network and the WiFi exceeds the upper limit, the method may further include:
  • the UE sends power reference information to the eNB, so that the eNB determines an uplink data transmission policy to be sent to the UE according to the power reference information.
  • the UE may send the power reference information to the eNB in the following two manners: Mode 1: The UE sends a PHR (Power Headroom Report) to the eNB on the cellular network, where the PHR includes the required Power headroom and/or maximum power limit used on WiFi;
  • PHR Power Headroom Report
  • Manner 2 The UE sends a PHR to the eNB on the cellular network, and the PH included in the PHR (Power)
  • the Headroom, Power Headroom value is the power headroom value after removing the power headroom used by the UE for WiFi.
  • the uplink data transmission policy is configured to send the uplink data to the base station eNB, so as to limit the total power when the UE simultaneously sends the uplink data on the cellular network and the WiFi to not exceed the upper limit, thereby solving the possible transmission failure of the uplink data of the UE.
  • the problem in addition, can further solve the problem of high electromagnetic radiation caused by excessive uplink transmission power.
  • Embodiment 2 is a flowchart of Embodiment 2 of a power control method according to the present invention. As shown in FIG. 2, the method in this embodiment may include:
  • the eNB determines an uplink data sending policy for the UE to send uplink data on the cellular network and the WiFi, where the uplink data sending policy is used to enable the UE to simultaneously send the uplink data to the upper limit value on the cellular network and the wireless fidelity WiFi. ;
  • the eNB sends the uplink data transmission policy to the UE.
  • the SAR is transmitted to the UE to cause the UE to determine the upper limit value according to the SAR.
  • the eNB may further include: before determining, by the eNB, the uplink data sending policy of the uplink data sent by the UE on the cellular network and the WiFi:
  • the eNB receives the power reference information sent by the UE or the WiFi access point where the UE is located.
  • the eNB determines an uplink data sending policy for the UE to send uplink data on the cellular network and the WiFi, including:
  • the eNB determines an uplink data transmission policy according to the power reference information of the WiFi.
  • the eNB receives the power reference information sent by the UE or the WiFi access point where the UE is located, and may adopt the following manner:
  • Manner 1 The eNB receives the maximum power limit sent by the PHR sent by the UE and/or the WiFi access point where the UE is located, where the PHR includes the power headroom and/or the maximum power limit used by the UE on the WiFi;
  • Manner 2 The eNB receives the maximum power limit sent by the PHR sent by the UE and/or the WiFi access point where the UE is located, and the power headroom PH value included in the PHR is the power headroom used in the WiFi required to remove the UE. Subsequent power headroom value.
  • This embodiment is a technical solution executed by the eNB as opposed to the technical solution implemented by the UE shown in FIG. 1.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the uplink data transmission policy may include two types of policies: The first type: simultaneously transmitting a policy, allowing the UE to simultaneously perform uplink transmission on the cellular network and the WiFi.
  • the simultaneous transmission policy may be used to enable the UE to simultaneously send uplink data on the cellular network and the WiFi, and the sum of the uplink transmission power of the UE on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the simultaneous transmission policy may be used to enable the UE to transmit uplink power less than the upper limit value X on the cellular network, and the uplink transmission power on the WiFi is less than or equal to the upper limit value Y, and X+Y ⁇ the first upper limit value;
  • the second category Time-sharing policy, does not allow the UE to simultaneously transmit uplinks on the cellular network and WiFi.
  • the time-sharing sending policy may be used to enable the UE to send uplink data on the cellular network and the WiFi in a time-sharing manner, and the uplink sending power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink sending power on the WiFi is less than or equal to the first Two upper limit values.
  • the sizes of the first upper limit value and the second upper limit value may be the same or different.
  • the first simultaneous transmission policy is: the first simultaneous transmission policy is used to enable the UE to preferentially satisfy the uplink transmission power required on the cellular network, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first Upper limit;
  • the priority of the cellular network is higher than the priority of the WiFi. Therefore, when the UE is allowed to simultaneously send uplink data on the cellular network and the WiFi, the priority required by the cellular network can be preferentially satisfied.
  • Uplink transmit power The priority is satisfied, and the ratio of the uplink transmission power allocated to the cellular network is higher than the ratio of the uplink transmission power allocated to the WiFi, or the remaining power is allocated to the WiFi based on all the cellular networks. Not limited. It should be noted that the sum of the uplink transmit power on the cellular network and the uplink transmit power on the WiFi is less than or equal to the first upper limit value.
  • the second simultaneous transmission policy is configured to enable the UE to preferentially satisfy the uplink transmission power on the network where the uplink data with high priority of the service in the uplink data sent on the cellular network and the WiFi is located, if the priorities are the same, The priority of the uplink transmission power required on the cellular network is preferentially satisfied, and the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value;
  • the second simultaneous transmission policy uses the service priority as a basis for power allocation.
  • the second simultaneous transmission policy allows the UE to preferentially satisfy the uplink transmission power on the network where the uplink data with high priority of the service in the uplink data sent on the cellular network and the WiFi is located, that is, the service of the uplink data sent on the cellular network. If the priority is higher than the priority of the uplink data sent on the WiFi, the uplink transmission power of the cellular network is preferentially satisfied, and the service priority of the uplink data sent on the cellular network is lower than the priority of the uplink data sent by the WiFi. The priority is to satisfy the uplink transmission power on the WiFi.
  • the cellular network is prioritized, that is, the priority is satisfied.
  • the uplink transmit power required on the cellular network Need to say It is clear that the sum of the uplink transmit power on the cellular network and the uplink transmit power on the WiFi is less than or equal to the first upper limit value.
  • the third simultaneous transmission policy is: the third simultaneous transmission policy is used to enable the UE to preferentially satisfy the uplink transmission power of the cellular network or the WiFi that needs to send signaling, and if signaling needs to be sent on both the cellular network and the WiFi, the priority is satisfied.
  • the uplink transmit power required on the cellular network, and the sum of the uplink transmit power on the cellular network and the uplink transmit power on the WiFi is less than or equal to the first upper limit; specifically, the third simultaneous transmit policy uses signaling priority as The basis of power allocation, that is, the priority of signaling is higher than the priority of service data.
  • the third simultaneous transmission policy allows the UE to preferentially satisfy the uplink transmission power of the cellular network or WiFi that needs to send signaling, that is, if signaling needs to be sent on the cellular network, the uplink transmission power of the cellular network is preferentially satisfied, if on the WiFi. If signaling needs to be sent, the uplink transmission power on the WiFi is preferentially satisfied. If signaling needs to be sent on both the cellular network and the WiFi, then the cellular network is prioritized, that is, the uplink transmission power required on the cellular network is preferentially satisfied. . It should be noted that the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value.
  • the fourth simultaneous transmission policy is: the fourth simultaneous transmission policy is used to reduce the uplink transmission power required by the UE on the cellular network and the uplink transmission power required on the WiFi, and the sum of the reduced uplink transmission power is less than or equal to First upper limit value;
  • the fourth simultaneous transmission policy may enable the UE to reduce the uplink transmission power required on the cellular network and reduce the uplink transmission power required on the WiFi, so that the sum of the reduced uplink transmission powers is less than or equal to the first An upper limit value, the specific reduction mode can be reduced in a proportional manner, for example, the uplink transmission power required on the cellular network and the uplink transmission power required on the WiFi are reduced by 80%.
  • the fifth simultaneous transmission policy is used to enable the uplink transmission power of the UE on the WiFi to not exceed the maximum power limit of the WiFi.
  • the fifth simultaneous transmission policy limits the UE in the maximum power limitation of the WiFi.
  • the uplink transmission power on the WiFi such that the sum of the uplink transmission power on the cellular network and the uplink transmission power on the WiFi is less than or equal to the first upper limit value.
  • the first time-sharing policy is used to enable the UE to perform uplink transmission of the cellular network in the first subframe, and the UE performs uplink transmission of the WiFi in the second subframe, and the UE is in The uplink transmission power on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value;
  • the UE may perform uplink data transmission processes of different networks in different subframes, for example, performing uplink data transmission processes of different networks according to a preset subframe mode, and the subframe mode may be one frame or more.
  • the frame as a unit, such as uplink transmission of the cellular network on 0, 1, 2, 3, 4 subframes, uplink transmission of wifi on 5, 6, 7, 8, 9 subframes;
  • the uplink transmission of the cellular network is performed on the subframe, and the uplink transmission of the WiFi is performed on the even subframe.
  • the uplink transmit power of the UE on the cellular network is less than or equal to the first upper limit value, or the uplink transmit power on the WiFi is less than or equal to the second upper limit value, and the first upper limit value and the second upper limit value may be the same or different. .
  • the second time-sharing policy is used to enable the UE to perform uplink uplink transmission of the WiFi in the downlink subframe position of the time-division cellular network, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or The uplink transmit power on the WiFi is less than or equal to the second upper limit.
  • the second time-sharing transmission policy may be in the time-division cellular network.
  • the uplink UE is allowed to perform uplink transmission on WiFi when performing downlink transmission.
  • the UE performs uplink transmission of the WiFi in the downlink subframe position of the time-division cellular network, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit. value.
  • the third time-sharing policy is: the third time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi during the inactive time when the cellular network is in the discontinuous reception mode, and the uplink transmission power of the UE on the cellular network is less than or equal to The first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the UE when the cellular network performs data transmission, there is a discontinuous reception (DRX) mode, and the UE does not perform data transmission during the inactive time of the discontinuous reception mode. Therefore, the UE is in the cellular network.
  • the uplink transmission may be performed on the WiFi, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the fourth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network during the sleep state in which the WiFi is in the power-saving mode, and the UE is on the cellular network.
  • the uplink transmit power is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value;
  • the WiFi includes an operation mode and a power saving mode.
  • the WiFi When the WiFi is in the sleep state of the power saving mode, the UE will not transmit data on the WiFi. Therefore, the uplink transmission may be performed on the cellular network during the period, and the UE is in the The uplink transmission power on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the fifth time-sharing policy is: the fifth time-sharing policy is used to enable the UE to perform uplink transmission on the WiFi when the UE performs downlink reception and no uplink transmission, and the uplink transmission power of the UE on the cellular network is less than or equal to the first
  • the upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the UE may have downlink reception and no uplink transmission on the cellular network, and in this case, the UE may perform uplink transmission on the WiFi. Specifically, the UE may determine whether there is uplink transmission when the cellular network performs downlink reception by using detection means, and if there is no uplink transmission, uplink transmission may be performed on the WiFi. And the uplink transmit power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value.
  • the sixth time-sharing policy is used to enable the UE to perform uplink transmission on the cellular network when the WiFi performs downlink reception, and the uplink transmission power of the UE on the cellular network is less than or equal to the first upper limit value. Or the uplink transmit power on the WiFi is less than or equal to the second upper limit.
  • the sixth time-sharing policy may separate the downlink reception and the uplink transmission, and when the UE performs downlink reception on the WiFi, the UE may perform uplink transmission on the cellular network, and perform time-sharing transmission in the link direction, and The uplink transmit power of the UE on the cellular network is less than or equal to the first upper limit value or the uplink transmit power on the WiFi is less than or equal to the second upper limit value.
  • the seventh time-sharing policy is used to enable the UE to delay uplink transmission on the WiFi or cancel the uplink transmission on the WiFi when the UE has uplink resources for uplink transmission on the cellular network, and the UE is in the uplink
  • the uplink transmission power on the cellular network is less than or equal to the first upper limit value or the uplink transmission power on the WiFi is less than or equal to the second upper limit value.
  • the UE may delay uplink transmission on the WiFi, and the delay time may be set according to requirements, or According to the time setting of the UE occupying uplink resources on the cellular network, it is possible to ensure that uplink transmission is not performed at the same time.
  • the UE may directly cancel the uplink transmission being performed on the WiFi to ensure that the uplink transmission is preferentially performed on the cellular network.
  • the cellular network may be LTE (Long Term Evolution), UMTS (Universal Mobile Telecommunications System), and CDMA (Code Division Multiple Access).
  • Cellular networks such as CDMA2000, GERAN (GSM EDGE Radio Access Network, GSM EDGE Radio Access Network).
  • FIG. 3 is a schematic structural diagram of Embodiment 1 of a user equipment according to the present invention.
  • the UE in this embodiment may include: a determining module 31 and an uplink sending module 32, where:
  • a determining module 31 configured to determine whether a total power of simultaneously transmitting uplink data on the cellular network and the wireless fidelity WiFi exceeds an upper limit
  • the uplink sending module 32 is configured to: if yes, send uplink data to the base station eNB according to the uplink data sending policy, where the uplink data sending policy is used to prevent the total power from exceeding the upper limit.
  • the determining module 31 is further configured to determine whether the total power of the uplink data transmitted simultaneously on the cellular network and the WiFi exceeds the upper limit value:
  • the determining module 31 is further configured to: before determining whether the total power of the uplink data sent by the cellular network and the WiFi exceeds the upper limit, send power reference information to the eNB, so that the eNB is configured according to the power reference. The information determines the uplink data transmission policy.
  • the determining module 31 is configured to send, on the cellular network, a power headroom report PHR to the eNB, where the PHR includes a power headroom and/or a maximum power used by the UE on the WiFi. Limit
  • the PH value is the power headroom value after removing the power headroom used on the WiFi required by the UE.
  • the UE in this embodiment may be used to perform the technical solution of the method embodiment shown in FIG. 1.
  • the principle and the technical effect are similar, and details are not described herein again.
  • the UE in this embodiment may include: a receiver 41, a transmitter 42, a memory 43, and a processor 44, where the memory 43 is used for a storage instruction; a processor 44 coupled to the memory 43, the processor 44 is configured to execute instructions stored in the memory 43, and the processor 44 is configured to perform execution by the corresponding UE in the power control method embodiment described above
  • the receiver 41 is configured to receive a notification message, a system message, and the like sent by the base station according to an instruction of the processor 44.
  • the transmitter 42 is configured to send a signal to the base station according to an instruction of the processor 44.
  • FIG. 5 is a schematic structural diagram of Embodiment 1 of a base station according to the present invention.
  • the eNB in this embodiment may include: a determining module 51 and a downlink sending module 52, where:
  • the determining module 51 is configured to determine an uplink data sending policy for the user equipment UE to send uplink data on the cellular network and the wireless fidelity WiFi, where the uplink data sending policy is used to enable the UE to be simultaneously on the cellular network and the wireless fidelity WiFi. The total power of the uplink data is not exceeded.
  • the downlink sending module 52 is configured to send the uplink data sending policy to the UE.
  • the downlink sending module 52 is further configured to: when the uplink data sending policy is sent to the UE, send the upper limit value to the UE, or send an electromagnetic wave energy absorption ratio SAR to the UE, so that The UE determines the upper limit value according to the SAR.
  • the determining module 51 is further configured to: before receiving the uplink data sending policy that the UE sends the uplink data on the cellular network and the WiFi, receive the power reference information sent by the UE or the WiFi access point where the UE is located;
  • the determining module 51 is specifically configured to:
  • the determining module 51 is specifically configured to receive a PHR sent by the UE and/or a maximum power limit sent by the WiFi access point where the UE is located, where the PHR includes the required WiFi on the WiFi. Power headroom and/or maximum power limit used;
  • the power margin PH value included in the PHR is a power headroom value after removing the power headroom used on the WiFi required by the UE.
  • the eNB of this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the principle and the technical effect are similar, and details are not described herein again.
  • FIG. 6 is a schematic structural diagram of Embodiment 2 of a base station according to the present invention.
  • the eNB in this embodiment may include: a processor 61 and a memory 62.
  • a transmitter 63 and a receiver 64 may also be included.
  • the memory 62, the transmitter 63 and the receiver 64 are connected to the processor 61 via a bus.
  • the bus can be one or more physical lines. When it is a plurality of physical lines, it can be divided into an address bus, a data bus, a control bus, and the like.
  • the memory 62 stores execution instructions. When the processor 61 is in communication with the memory 62, the processor 61 calls the execution instructions in the memory 62 for executing the technical solution executed by the eNB in the above embodiment.

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Abstract

本发明实施例提供一种功率控制方法、用户设备和基站。一种功率控制方法,包括:用户设备UE确定在蜂窝网和无线保真WiFi上同时发送上行数据的总功率是否超过上限值;若超过,则所述UE根据上行数据发送策略,向基站eNB发送上行数据,所述上行数据发送策略用于使所述总功率不超过所述上限值。本发明实施例可以解决UE需要在蜂窝网和WiFi上同时发送上行数据时可能出现的发送失败的问题,而且,还能进一步解决因上行发送功率过高而导致的电磁辐射较高的问题。

Description

功率控制方法、 用户设备和基站
技术领域
本发明实施例涉及通信技术, 尤其涉及一种功率控制方法、 用户设备和 基站。 背景技术
随着移动通信技术的发展, 3GPP (the 3rd generation partnership project, 第三代合作伙伴项目) 对峰值数据速率以及系统带宽等提出了更高的要求, 为了满足这些要求, 3GPP LTE-A (long term evolution advanced, 长期演进高 级系统) 提出了载波聚合的解决方案。
载波聚合是将 2个或更多的连续或非连续的载波单元聚合在一起以支持 更大的传输带宽, 从而提高峰值数据速率和系统吞吐量, 同时解决了运营商 频谱不连续的问题。 每个分量载波 (component carrier) 对应一个小区, 配置 了载波聚合的 UE (User Equipment, 用户设备) 与 1个 PCell ( Primary cell , 主服务小区) 和至少 1个 SCell (Secondary cell, 辅服务小区)相连。 载波聚 合可以在同一个无线接入技术之内进行,例如, LTE系统内载波聚合或 UMTS (universal mobile telecommunications system, 通用禾多动通信系统) 内载波聚 合, 也可以在不同的无线接入技术之间进行, 例如, LTE和 UMTS系统间载 波聚合或 LTE和 WLAN (Wireless Local Area Networks, 无线局域网) 间载 波聚合。
LTE无线接入技术和 UMTS无线接入技术属于蜂窝通信系统, WLAN通 常也称为 WiFi (Wireless Fidelity, 无线保真) , 对于既支持 LTE或 UMTS 又支持 WiFi的多模终端, 可以通过 WiFi分流一部分或全部蜂窝通信系统的 数据流量, 从而利用 WiFi高带宽、高数据速率的特性提供更高的峰值数据速 率, 缓解蜂窝通信系统的数据流量和信令流量压力、 节省宝贵的蜂窝频谱资 源、 降低通信成本。 然而, 在现有技术中, UE在同时向蜂窝网和 WiFi发送 上行数据时, 时常出现上行数据发送失败的问题。 发明内容
本发明实施例提供一种功率控制方法、 用户设备和基站。
第一方面, 提供一种功率控制方法, 包括:
用户设备 UE确定在蜂窝网和无线保真 WiFi上同时发送上行数据的 总功率是否超过上限值;
若超过, 则所述 UE根据上行数据发送策略, 向基站 eNB发送上行数 据, 所述上行数据发送策略用于使所述总功率不超过所述上限值。
进一步的, 所述 UE根据上行数据发送策略, 发送上行数据之前, 还 包括:
所述 UE接收所述 eNB发送的所述上行数据发送策略。
进一步的, 所述上行数据发送策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 —上限值或在 WiFi上的上行发送功率小于等于第二上限值。
可选的, 所述同时发送策略, 包括下述策略中的至少一种策略: 第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值;
第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
可选的, 所述分时发送策略, 包括下述策略中的至少一种策略: 第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述 WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值; 第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述 WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
进一步的, 所述 UE确定在蜂窝网和 WiFi上同时发送上行数据的总 功率是否超过上限值之前, 还包括:
所述 UE接收所述 eNB发送的所述上限值;
或者,
所述 UE根据预先规定的电磁波能量吸收比 SAR确定所述上限值; 或者,
所述 UE接收所述 eNB发送的 SAR, 并根据所述 SAR确定所述上限 值。
进一步的, 所述 UE确定在蜂窝网和 WiFi上同时发送上行数据的总 功率是否超过上限值之前, 还包括:
所述 UE向所述 eNB发送功率参考信息, 以使所述 eNB根据所述功 率参考信息确定所述上行数据发送策略。
进一步的, 所述 UE向所述 eNB发送功率参考信息, 包括: 所述 UE在所述蜂窝网上向所述 eNB发送功率余量报告 PHR, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的功率余量和 /或最大功率限 制;
或者,
所述 UE在所述蜂窝网上向所述 eNB发送 PHR, 所述 PHR中包含的 功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的 功率余量值。
第二方面, 提供另一种功率控制方法, 包括: 基站 eNB确定用户设备 UE在蜂窝网和无线保真 WiFi上发送上行数 据的上行数据发送策略, 所述上行数据发送策略用于使所述 UE在蜂窝网 和无线保真 WiFi上同时发送上行数据的总功率不超过所述上限值;
所述 eNB向所述 UE发送所述上行数据发送策略。
进一步的, 所述上行数据发送策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
可选的, 所述同时发送策略, 包括下述策略中的至少一种策略: 第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值;
第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
可选的, 所述分时发送策略, 包括下述策略中的至少一种策略: 第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述 WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述
WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
进一步的, 所述 eNB向所述 UE发送所述上行数据发送策略时, 还包 括:
所述 eNB向所述 UE发送所述上限值;
或者,
所述 eNB向所述 UE发送电磁波能量吸收比 SAR, 以使所述 UE根据 所述 SAR确定所述上限值。
进一步的, 所述 eNB确定 UE在蜂窝网和 WiFi上发送上行数据的上 行数据发送策略之前, 还包括:
所述 eNB接收所述 UE或者所述 UE所在的 WiFi接入点发送的功率 参考信息;
所述 eNB确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据发送 策略, 包括:
所述 eNB根据所述 WiFi的功率参考信息确定所述上行数据发送策 略。
进一步的, 所述 eNB接收所述 UE或者所述 UE所在的 WiFi接入点 发送的功率参考信息, 包括:
所述 eNB接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点 发送的最大功率限制, 所述 PHR中包含所述 UE所需的在 WiFi上所使用 的功率余量和 /或最大功率限制;
或者,
所述 eNB接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点 发送的最大功率限制, 所述 PHR中包含的功率余量 PH值为去除所述 UE 所需的在 WiFi上所使用的功率余量之后的功率余量值。
第三方面, 本发明提供一种用户设备 UE, 包括:
确定模块, 用于确定在蜂窝网和无线保真 WiFi上同时发送上行数据 的总功率是否超过上限值;
上行发送模块, 用于若超过, 则根据上行数据发送策略, 向基站 eNB 发送上行数据, 所述上行数据发送策略用于使所述总功率不超过所述上限 值。
进一步的, 所述上行发送模块, 还用于根据上行数据发送策略, 发送 上行数据之前, 接收所述 eNB发送的所述上行数据发送策略。
进一步的, 所述上行数据发送策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
可选的, 所述同时发送策略, 包括下述策略中的至少一种策略: 第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值;
第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
可选的, 所述分时发送策略, 包括下述策略中的至少一种策略: 第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述 WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述
WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
进一步的, 所述确定模块, 还用于确定在蜂窝网和 WiFi上同时发送 上行数据的总功率是否超过上限值之前:
接收所述 eNB发送的所述上限值
或者,
根据预先规定的电磁波能量吸收比 SAR确定所述上限值;
或者,
接收所述 eNB发送的 SAR, 并根据所述 SAR确定所述上限值。
进一步的, 所述确定模块, 还用于确定在蜂窝网和 WiFi上同时发送 上行数据的总功率是否超过上限值之前, 向所述 eNB发送功率参考信息, 以使所述 eNB根据所述功率参考信息确定所述上行数据发送策略。
进一步的,所述确定模块, 具体用于在所述蜂窝网上向所述 eNB发送 功率余量报告 PHR, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的 功率余量和 /或最大功率限制;
或者,
在所述蜂窝网上向所述 eNB发送 PHR, 所述 PHR中包含的功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的功率余量 值。
第四方面, 提供一种基站 eNB, 包括:
确定模块, 用于确定用户设备 UE在蜂窝网和无线保真 WiFi上发送 上行数据的上行数据发送策略, 所述上行数据发送策略用于使所述 UE在 蜂窝网和无线保真 WiFi上同时发送上行数据的总功率不超过所述上限值; 下行发送模块, 用于向所述 UE发送所述上行数据发送策略。
进一步的, 所述上行数据发送策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 Χ+Υ≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
可选的, 所述同时发送策略, 包括下述策略中的至少一种策略: 第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值;
第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
可选的, 所述分时发送策略, 包括下述策略中的至少一种策略: 第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述 WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述 WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
进一步的, 所述下行发送模块, 还用于向所述 UE发送所述上行数据 发送策略时, 向所述 UE发送所述上限值, 或者, 向所述 UE发送电磁波 能量吸收比 SAR, 以使所述 UE根据所述 SAR确定所述上限值。
进一步的, 所述确定模块, 还用于确定 UE在蜂窝网和 WiFi上发送 上行数据的上行数据发送策略之前,接收所述 UE或者所述 UE所在的 WiFi 接入点发送的功率参考信息; 相应的, 所述确定模块, 具体用于:
根据所述 WiFi的功率参考信息确定所述上行数据发送策略。
进一步的, 所述确定模块, 具体用于接收所述 UE发送的 PHR和 /或 所述 UE所在的 WiFi接入点发送的最大功率限制, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的功率余量和 /或最大功率限制;
或者,
接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点发送的最 大功率限制, 所述 PHR中包含的功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的功率余量值。
本发明实施例, 当 UE需要在蜂窝网和 WiFi上同时发送上行数据时, 可以确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否超过上限值, 如果超过上限值, 则可以根据上行数据发送策略, 向基站 eNB发送上行数 据,以将 UE在蜂窝网和 WiFi上同时发送上行数据时的总功率限定为不超 过该上限值, 从而解决 UE的上行数据可能出现的发送失败的问题, 而且, 还能进一步解决因上行发送功率过高而导致的电磁辐射较高的问题。 附图说明 图 1为本发明功率控制方法实施例一的流程图;
图 2为本发明功率控制方法实施例二的流程图;
图 3为本发明用户设备实施例一的结构示意图;
图 4为本发明用户设备实施例二的结构示意图;
图 5为本发明基站实施例一的结构示意图;
图 6为本发明基站实施例二的结构示意图。 具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚, 下面将结合本发 明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例是本发明一部分实施例, 而不是全部的实施例。 基于 本发明中的实施例, 本领域普通技术人员在没有作出创造性劳动前提下所获 得的所有其他实施例, 都属于本发明保护的范围。 图 1为本发明功率控制方法实施例一的流程图, 如图 1所示, 本实施例 的方法可以包括:
S101、 UE确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否超过 上限值;
S102、 若超过, 则 UE根据上行数据发送策略, 向基站 eNB发送上行数 据, 该上行数据发送策略用于使该总功率不超过该上限值。
具体来说, 在现有技术中, 对于蜂窝网和 WiFi间进行数据分流的情况, UE可能需要同时向蜂窝网和 WiFi发送上行数据, 但是, 对于 UE来说, 其 上行发射功率是受限的,如果 UE在蜂窝网上发送上行数据的发射功率与 UE 在 WiFi上发送上行数据的发射功率之和超过了其上行发射功率的上限值,则 UE的上行数据将出现发送失败的问题。 而且, UE同时在蜂窝网和 WiFi上 发送上行数据还涉及 SAR (specific absorption rate, 电磁波能量吸收比) 的问 题。 SAR作为 UE电磁辐射的一种参数, 可以表征单位时间和单位生物体质 量所吸收的电磁能量, 如果 UE在蜂窝网上发送上行数据的发射功率与 UE 在 WiFi上发送上行数据的发射功率之和超过了其上行发射功率的上限值,还 会造成电磁辐射较高的问题。
为此, 本实施例提供的方案中, 若 UE需要在蜂窝网和 WiFi上同时发送 上行数据, 则 UE可以确定在蜂窝网和 WiFi上同时发送上行数据的总功率 是否超过上限值, 该上限值既可以是基站 eNB动态配置给 UE的, 也可以 是 UE预先配置好的。该上限值的设定可以考虑各种因素来设定,例如 UE 自己所需的上行发射功率、 eNB限制 UE的上行发射功率、 SAR限制等等, 本实施例不做限定。
当 UE确定在蜂窝网和 WiFi上同时发送上行数据的总功率超过上限 值, 则 UE可以根据上行数据发送策略, 向基站 eNB发送上行数据。 该上 行数据发送策略可以是预先配置在 UE中的, 也可以是 eNB动态通知的, 也即 UE在根据上行数据发送策略,发送上行数据之前,可以接收所述 eNB 发送的所述上行数据发送策略。 该上行数据发送策略用于使 UE在蜂窝网 和 WiFi上同时发送上行数据的总功率不超过上限值。
在具体实现时, UE确定在蜂窝网和 WiFi上同时发送上行数据的总功 率是否超过上限值之前, 还可以包括如下方式以获得该上限值: 方式一: UE接收 eNB发送的该上限值;
方式二: UE根据预先规定的 SAR确定该上限值;
方式三: UE接收 eNB发送的 SAR, 并根据该 SAR确定该上限值。 另外, 在 UE确定在蜂窝网和 WiFi上同时发送上行数据的总功率是 否超过上限值之前, 还可以包括:
UE向 eNB发送功率参考信息,以使 eNB根据该功率参考信息确定需 要发送给 UE的上行数据发送策略。
具体来说, UE可以采用以下两种方式, 向 eNB发送功率参考信息: 方式一: UE在蜂窝网上向 eNB发送 PHR (Power Headroom Report, 功率余量报告) , 该 PHR中包含 UE所需的在 WiFi上所使用的功率余量 和 /或最大功率限制;
方式二: UE在蜂窝网上向 eNB发送 PHR,该 PHR中包含的 PH( Power
Headroom, 功率余量) 值为去除 UE所需的在 WiFi上所使用的功率余量 之后的功率余量值。
本实施例中, 当 UE需要在蜂窝网和 WiFi上同时发送上行数据时, 可 以确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否超过上限值, 如果超过上限值, 则可以根据上行数据发送策略, 向基站 eNB发送上行数 据,以将 UE在蜂窝网和 WiFi上同时发送上行数据时的总功率限定为不超 过该上限值, 从而解决 UE的上行数据可能出现的发送失败的问题, 而且, 还能进一步解决因上行发送功率过高而导致的电磁辐射较高的问题。
图 2为本发明功率控制方法实施例二的流程图, 如图 2所示, 本实施例 的方法可以包括:
5201、 eNB确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据发送 策略, 该上行数据发送策略用于使 UE在蜂窝网和无线保真 WiFi上同时 发送上行数据的总功率不超过上限值;
5202、 eNB向 UE发送该上行数据发送策略。
与上述实施例一相应的, eNB向 UE发送上行数据发送策略时, 还可 以
向 UE发送该上限值;
或者, 向 UE发送 SAR, 以使 UE根据 SAR确定该上限值。
另外, eNB确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据发 送策略之前, 还可以包括:
eNB接收 UE或者 UE所在的 WiFi接入点发送的功率参考信息; 相应的, eNB确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据 发送策略, 包括:
eNB根据 WiFi的功率参考信息确定上行数据发送策略。
在具体实现时, eNB接收 UE或者 UE所在的 WiFi接入点发送的功率 参考信息, 可以采用下述方式:
方式一: eNB接收 UE发送的 PHR和 /或 UE所在的 WiFi接入点发送 的最大功率限制, 该 PHR中包含 UE所需的在 WiFi上所使用的功率余量 和 /或最大功率限制;
方式二: eNB接收 UE发送的 PHR和 /或 UE所在的 WiFi接入点发送 的最大功率限制, 该 PHR中包含的功率余量 PH值为去除 UE所需的在 WiFi上所使用的功率余量之后的功率余量值。
本实施例是与图 1所示 UE执行的技术方案相对的 eNB所执行的技术方 案, 其实现原理和技术效果类似, 此处不再赘述。
在上述实施例中, 所述的上行数据发送策略, 可以包括两类策略: 第一类: 同时发送策略, 允许 UE在蜂窝网和 WiFi上同时进行上行 发送
具体来说:
该同时发送策略, 可以用于使 UE在蜂窝网和 WiFi上同时发送上行 数据, 且 UE在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之 和小于等于第一上限值;
或者,
该同时发送策略, 可以用于使 UE在蜂窝网上的上行发送功率小于等 于上限值 X, 在 WiFi上的上行发送功率小于等于上限值 Y, 且 X+Y≤第一 上限值;
第二类: 分时发送策略, 不允许 UE在蜂窝网和 WiFi上同时进行上 行发送 该分时发送策略, 可以用于使 UE在蜂窝网和 WiFi上分时发送上行 数据, 且 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值。
需要说明的是, 在该分时发送策略中, 第一上限值和第二上限值的大小 可以相同也可以不同。
针对上述同时发送策略来说, 下面给出几种可能的实现方式:
第一同时发送策略: 该第一同时发送策略用于使 UE优先满足在蜂窝 网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的 上行发送功率之和小于等于第一上限值;
具体来说, 在该第一同时发送策略中, 蜂窝网的优先级高于 WiFi的 优先级, 因此, 在允许 UE在蜂窝网和 WiFi上同时发送上行数据时, 可 以优先满足蜂窝网上所需的上行发送功率。 该优先满足, 既可以分配给蜂 窝网的上行发送功率的比例高于分配给 WiFi的上行发送功率的比例, 也 可以是在全部满足蜂窝网的基础上,将剩余功率分配给 WiFi, 本实施例不 做限定。 需要说明的是, 在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值。
第二同时发送策略: 该第二同时发送策略用于使 UE优先满足在蜂窝 网上和 WiFi上发送的上行数据中业务优先级高的上行数据所在的网络上 的上行发送功率, 若优先级相同, 则优先满足在蜂窝网上所需的上行发送 功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小 于等于第一上限值;
具体来说, 该第二同时发送策略采用业务优先级作为功率分配的依 据。 该第二同时发送策略让 UE优先满足在蜂窝网上和 WiFi上发送的上 行数据中业务优先级高的上行数据所在的网络上的上行发送功率, 也即, 如果在蜂窝网上发送的上行数据的业务优先级高于在 WiFi上发送的上行 数据的业务优先级, 则优先满足蜂窝网上的上行发送功率, 如果在蜂窝网 上发送的上行数据的业务优先级低于在 WiFi上发送的上行数据的业务优 先级, 则优先满足 WiFi上的上行发送功率, 如果在蜂窝网上发送的上行 数据的业务优先级等于在 WiFi上发送的上行数据的业务优先级, 则此时 再优先考虑蜂窝网, 即优先满足在蜂窝网上所需的上行发送功率。 需要说 明的是, 在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小 于等于第一上限值。
第三同时发送策略: 该第三同时发送策略用于使 UE优先满足在需要 发送信令的蜂窝网或 WiFi的上行发送功率,若在蜂窝网上和 WiFi上均需 要发送信令, 则优先满足在蜂窝网上所需的上行发送功率, 且在蜂窝网上 的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值; 具体来说, 该第三同时发送策略采用信令优先作为功率分配的依据, 也即信令的优先级高于业务数据的优先级。 该第三同时发送策略让 UE优 先满足需要发送信令的蜂窝网或 WiFi的上行发送功率, 也即, 如果在蜂 窝网上需要发送信令, 则优先满足蜂窝网上的上行发送功率, 如果在 WiFi 上需要发送信令, 则优先满足 WiFi上的上行发送功率, 如果在蜂窝网上 和在 WiFi上均需要发送信令, 则此时再优先考虑蜂窝网, 即优先满足在 蜂窝网上所需的上行发送功率。 需要说明的是, 在蜂窝网上的上行发送功 率与在 WiFi上的上行发送功率之和小于等于第一上限值。
第四同时发送策略: 该第四同时发送策略用于使 UE等比例降低在蜂 窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后 的上行发送功率之和小于等于第一上限值;
具体来说, 该第四同时发送策略可以让 UE既降低在蜂窝网上所需的 上行发送功率, 也降低在 WiFi上所需的上行发送功率, 从而使得降低后 的上行发送功率之和小于等于第一上限值, 具体的降低方式可以采用等比 例降低的方式, 例如, 在蜂窝网上所需的上行发送功率和在 WiFi上所需 的上行发送功率均降低到原来的 80%。
第五同时发送策略: 该第五同时发送策略用于使 UE在 WiFi上的上 行发送功率不超过 WiFi的最大功率限制。
具体来说, 该第五同时发送策略通过 WiFi的最大功率限制, 限制 UE在
WiFi上的上行发送功率, 从而使得在蜂窝网上的上行发送功率与在 WiFi上 的上行发送功率之和小于等于第一上限值。
针对上述分时发送策略来说, 下面给出几种可能的实现方式:
第一分时发送策略: 该第一分时发送策略用于使 UE在第一子帧上进 行蜂窝网的上行发送, UE在第二子帧上进行 WiFi的上行发送, 且 UE在 蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功 率小于等于第二上限值;
具体来说, UE可以在不同的子帧上进行不同网络的上行数据发送过 程, 例如按照预设的子帧模式进行不同网络的上行数据发送过程, 子帧模 式可以以一帧 (frame ) 或多帧为单位进行设置, 如在 0、 1、 2、 3、 4子帧 上进行蜂窝网的上行发送, 在 5、 6、 7、 8、 9子帧上进行 wifi的上行发送; 再例如在奇数子帧上进行蜂窝网的上行发送, 在偶数子帧上进行 WiFi的 上行发送。 且 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二上限值,该第一上限值和第二上限值 既可以相同也可以不同。
第二分时发送策略: 该第二分时发送策略用于使 UE在时分蜂窝网的 下行子帧位置进行 WiFi的上行发送, 且 UE在蜂窝网上的上行发送功率 小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二上限值; 具体来说,针对时分蜂窝网来说,不会同时进行上行发送和下行接收, 因此, 该第二分时发送策略可以在时分蜂窝网进行下行发送时允许 UE在 WiFi上进行上行发送。 具体来说, UE在时分蜂窝网的下行子帧位置进行 WiFi的上行发送,且 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值。
第三分时发送策略: 该第三分时发送策略用于使 UE在蜂窝网处于非 连续接收模式的非活动时间期间, 在 WiFi上进行上行发送, 且 UE在蜂 窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率 小于等于第二上限值;
具体来说, 蜂窝网进行数据传输时存在不连续接收 (DRX , discontinuous reception)模式, UE在非连续接收模式的非活动时间( inactive time) 期间不会进行数据发送, 因此, UE 在蜂窝网处于非连续接收模式 的非活动时间期间, 可以在 WiFi上进行上行发送, 且 UE在蜂窝网上的 上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于 第二上限值。
第四分时发送策略: 该第四分时发送策略用于使 UE在 WiFi处于省 电模式的休眠状态期间, 在蜂窝网上进行上行发送, 且 UE在蜂窝网上的 上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于 第二上限值;
具体来说, WiFi包括工作模式和省电模式, 当 WiFi处于省电模式的 休眠状态期间, UE在 WiFi上将没有数据发送, 因此, 可以在这段时间内 在蜂窝网上进行上行发送, 且 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
第五分时发送策略: 该第五分时发送策略用于使 UE在蜂窝网进行下 行接收且无上行发送时, 在 WiFi上进行上行发送, 且 UE在蜂窝网上的 上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于 第二上限值。
具体来说, UE 在蜂窝网上可能存在进行下行接收且无上行发送的情 况, UE在这种情况下, UE可以在 WiFi上进行上行发送。 具体来说, UE 可以通过检测手段来确定在蜂窝网进行下行接收时, 是否存在上行发送, 如果不存在上行发送, 则可以在 WiFi上进行上行发送。 且 UE在蜂窝网 上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于 等于第二上限值。
第六分时发送策略: 该第六分时发送策略用于使 UE在 WiFi进行下 行接收时, 在蜂窝网上进行上行发送, 且所述 UE在蜂窝网上的上行发送 功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二上限 值。
具体来说, 该第六分时发送策略, 可将下行接收和上行发送分开, UE 在 WiFi上进行下行接收时, 可以在蜂窝网上进行上行发送, 从而在链路 方向上进行分时发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
第七分时发送策略: 该第七分时发送策略用于使 UE在蜂窝网上有上 行资源进行上行发送时, 延迟在 WiFi上进行的上行发送或取消正在 WiFi 上进行的上行发送, 且 UE在蜂窝网上的上行发送功率小于等于第一上限 值或在 WiFi上的上行发送功率小于等于第二上限值。
具体来说, 当 UE在蜂窝网上有上行资源进行上行发送时, UE可以延 迟在 WiFi上进行上行发送, 该延迟时间可以根据需要自行设定, 或者根 据 UE在蜂窝网上占用上行资源的时间设定, 从而尽量保证不同时进行上 行发送。 或者, UE也可以直接取消正在 WiFi上进行的上行发送, 以保证 在蜂窝网上优先进行上行发送。
本发明上述实施例中, 所述的蜂窝网可以是 LTE ( Long Term Evolution, 长期演进) 、 UMTS ( Universal Mobile Telecommunications System, 通用移动通信系统) 、 CDMA ( Code Division Multiple Access, 码分多址) 、 CDMA2000、 GERAN (GSM EDGE Radio Access Network, GSM EDGE无线接入网络) 等蜂窝网。
图 3为本发明用户设备实施例一的结构示意图, 如图 3所示, 本实施 例的 UE可以包括: 确定模块 31和上行发送模块 32, 其中:
确定模块 31, 用于确定在蜂窝网和无线保真 WiFi上同时发送上行数 据的总功率是否超过上限值;
上行发送模块 32, 用于若超过, 则根据上行数据发送策略, 向基站 eNB发送上行数据,所述上行数据发送策略用于使所述总功率不超过所述 上限值。
进一步的, 确定模块 31, 还用于确定在蜂窝网和 WiFi上同时发送上 行数据的总功率是否超过上限值之前:
接收所述 eNB发送的所述上限值
或者,
根据预先规定的电磁波能量吸收比 SAR确定所述上限值;
或者,
接收所述 eNB发送的 SAR, 并根据所述 SAR确定所述上限值。
进一步的, 确定模块 31, 还用于确定在蜂窝网和 WiFi上同时发送上 行数据的总功率是否超过上限值之前, 向所述 eNB发送功率参考信息, 以 使所述 eNB根据所述功率参考信息确定所述上行数据发送策略。
具体的, 确定模块 31, 用于在所述蜂窝网上向所述 eNB发送功率余 量报告 PHR, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的功率余 量和 /或最大功率限制;
或者,
在所述蜂窝网上向所述 eNB发送 PHR, 所述 PHR中包含的功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的功率余量 值。
本实施例的 UE可以用于执行图 1所示方法实施例的技术方案, 其实 现原理和技术效果类似, 此处不再赘述。
图 4为本发明用户设备实施例二的结构示意图, 如图 4所示, 本实施 例的 UE可以包括: 接收机 41、 发送机 42、 存储器 43以及处理器 44, 其 中, 存储器 43, 用于存储指令; 处理器 44, 与存储器 43耦合, 处理器 44 被配置为执行存储在所述存储器 43中的指令, 且处理器 44被配置为用于 执行上述功率控制方法实施例中对应 UE所执行的技术方案; 接收机 41, 用于根据处理器 44 的指令, 接收基站发送的通知消息、 系统消息等; 发 送机 42, 用于根据处理器 44的指令, 向基站发送信号。
图 5为本发明基站实施例一的结构示意图, 如图 5所示, 本实施例的 eNB可以包括: 确定模块 51和下行发送模块 52, 其中:
确定模 51, 用于确定用户设备 UE在蜂窝网和无线保真 WiFi上发送 上行数据的上行数据发送策略, 所述上行数据发送策略用于使所述 UE在 蜂窝网和无线保真 WiFi上同时发送上行数据的总功率不超过所述上限值; 下行发送模块 52, 用于向所述 UE发送所述上行数据发送策略。
进一步的, 下行发送模块 52, 还用于向所述 UE发送所述上行数据发 送策略时, 向所述 UE发送所述上限值, 或者, 向所述 UE发送电磁波能 量吸收比 SAR, 以使所述 UE根据所述 SAR确定所述上限值。
进一步的, 确定模块 51, 还用于确定 UE在蜂窝网和 WiFi上发送上 行数据的上行数据发送策略之前, 接收所述 UE或者所述 UE所在的 WiFi 接入点发送的功率参考信息;
相应的, 确定模块 51, 具体用于:
根据所述 WiFi的功率参考信息确定所述上行数据发送策略。
具体来说, 确定模块 51, 具体用于接收所述 UE发送的 PHR和 /或所 述 UE所在的 WiFi接入点发送的最大功率限制,所述 PHR中包含所述 UE 所需的在 WiFi上所使用的功率余量和 /或最大功率限制;
或者,
接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点发送的最 大功率限制, 所述 PHR中包含的功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的功率余量值。
本实施例的 eNB可以用于执行图 2所示方法实施例的技术方案,其实 现原理和技术效果类似, 此处不再赘述。
图 6为本发明基站实施例二的结构示意图, 如图 6所示, 本实施例的 eNB可以包括:处理器 61和存储器 62。还可以包括发射器 63、接收器 64。 存储器 62、 发射器 63以及接收器 64通过总线和处理器 61相连, 总线可 以是一条或多条物理线路, 当是多条物理线路时可以分为地址总线、 数据 总线、 控制总线等。 其中, 存储器 62存储执行指令, 当运行时, 处理器 61与存储器 62之间通信, 处理器 61调用存储器 62中的执行指令, 用于 执行上述实施例中 eNB所执行的技术方案。
本领域普通技术人员可以理解: 实现上述方法实施例的全部或部分步 骤可以通过程序指令相关的硬件来完成, 前述的程序可以存储于一计算机可 读取存储介质中, 该程序在执行时, 执行包括上述方法实施例的步骤; 而前 述的存储介质包括: ROM、 RAM, 磁碟或者光盘等各种可以存储程序代码的 介质。
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非对 其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的普通 技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改, 或者对其中部分或者全部技术特征进行等同替换; 而这些修改或者替换, 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims

权 利 要 求 书
1、 一种功率控制方法, 其特征在于, 包括:
用户设备 UE确定在蜂窝网和无线保真 WiFi上同时发送上行数据的 总功率是否超过上限值;
若超过, 则所述 UE根据上行数据发送策略, 向基站 eNB发送上行数 据, 所述上行数据发送策略用于使所述总功率不超过所述上限值。
2、 根据权利要求 1所述的方法, 其特征在于, 所述 UE根据上行数据 发送策略, 发送上行数据之前, 还包括:
所述 UE接收所述 eNB发送的所述上行数据发送策略。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述上行数据发 送策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 —上限值或在 WiFi上的上行发送功率小于等于第二上限值。
4、 根据权利要求 3所述的方法, 其特征在于, 所述同时发送策略, 包括下述策略中的至少一种策略:
第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值; 第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
5、 根据权利要求 3所述的方法, 其特征在于, 所述分时发送策略, 包括下述策略中的至少一种策略:
第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述
WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述 WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
6、 根据权利要求 1~5中任一项所述的方法, 其特征在于, 所述 UE 确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否超过上限值之前, 还包括:
所述 UE接收所述 eNB发送的所述上限值;
或者,
所述 UE根据预先规定的电磁波能量吸收比 SAR确定所述上限值; 或者,
所述 UE接收所述 eNB发送的 SAR, 并根据所述 SAR确定所述上限 值。
7、 根据权利要求 1~6中任一项所述的方法, 其特征在于, 所述 UE 确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否超过上限值之前, 还包括:
所述 UE向所述 eNB发送功率参考信息, 以使所述 eNB根据所述功 率参考信息确定所述上行数据发送策略。
8、 根据权利要求 7所述的方法, 其特征在于, 所述 UE向所述 eNB 发送功率参考信息, 包括:
所述 UE在所述蜂窝网上向所述 eNB发送功率余量报告 PHR, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的功率余量和 /或最大功率限 制; 或者,
所述 UE在所述蜂窝网上向所述 eNB发送 PHR, 所述 PHR中包含的 功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的 功率余量值。
9、 一种功率控制方法, 其特征在于, 包括:
基站 eNB确定用户设备 UE在蜂窝网和无线保真 WiFi上发送上行数 据的上行数据发送策略, 所述上行数据发送策略用于使所述 UE在蜂窝网 和无线保真 WiFi上同时发送上行数据的总功率不超过所述上限值;
所述 eNB向所述 UE发送所述上行数据发送策略。
10、 根据权利要求 9所述的方法, 其特征在于, 所述上行数据发送策 略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 —上限值或在 WiFi上的上行发送功率小于等于第二上限值。
11、 根据权利要求 10所述的方法, 其特征在于, 所述同时发送策略, 包括下述策略中的至少一种策略:
第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值; 第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE 在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
12、 根据权利要求 10所述的方法, 其特征在于, 所述分时发送策略, 包括下述策略中的至少一种策略:
第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述
WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述 WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
13、根据权利要求 9~12中任一项所述的方法,其特征在于,所述 eNB 向所述 UE发送所述上行数据发送策略时, 还包括:
所述 eNB向所述 UE发送所述上限值;
或者,
所述 eNB向所述 UE发送电磁波能量吸收比 SAR, 以使所述 UE根据 所述 SAR确定所述上限值。
14、根据权利要求 9~13中任一项所述的方法,其特征在于,所述 eNB 确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据发送策略之前, 还 包括:
所述 eNB接收所述 UE或者所述 UE所在的 WiFi接入点发送的功率 参考信息;
所述 eNB确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据发送 策略, 包括:
所述 eNB根据所述 WiFi的功率参考信息确定所述上行数据发送策 略。
15、 根据权利要求 14所述的方法, 其特征在于, 所述 eNB接收所述 UE或者所述 UE所在的 WiFi接入点发送的功率参考信息, 包括:
所述 eNB接收所述 UE发送的功率余量报告 PHR和 /或所述 UE所在 的 WiFi接入点发送的最大功率限制, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的功率余量和 /或最大功率限制;
或者,
所述 eNB接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点 发送的最大功率限制, 所述 PHR中包含的功率余量 PH值为去除所述 UE 所需的在 WiFi上所使用的功率余量之后的功率余量值。
16、 一种用户设备 UE, 其特征在于, 包括:
确定模块, 用于确定在蜂窝网和无线保真 WiFi上同时发送上行数据 的总功率是否超过上限值;
上行发送模块, 用于若超过, 则根据上行数据发送策略, 向基站 eNB 发送上行数据, 所述上行数据发送策略用于使所述总功率不超过所述上限 值。
17、 根据权利要求 16所述的设备, 其特征在于, 所述上行发送模块, 还用于根据上行数据发送策略,发送上行数据之前, 接收所述 eNB发送的 所述上行数据发送策略。
18、 根据权利要求 16或 17所述的设备, 其特征在于, 所述上行数据 发送策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
19、 根据权利要求 18所述的设备, 其特征在于, 所述同时发送策略, 包括下述策略中的至少一种策略:
第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值; 第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值;
第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
20、 根据权利要求 18所述的设备, 其特征在于, 所述分时发送策略, 包括下述策略中的至少一种策略:
第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述 WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述 WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
21、 根据权利要求 16~20中任一项所述的设备, 其特征在于, 所述确 定模块, 还用于确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否 超过上限值之前:
接收所述 eNB发送的所述上限值
或者,
根据预先规定的电磁波能量吸收比 SAR确定所述上限值;
或者,
接收所述 eNB发送的 SAR, 并根据所述 SAR确定所述上限值。
22、 根据权利要求 16~21中任一项所述的设备, 其特征在于, 所述确 定模块, 还用于确定在蜂窝网和 WiFi上同时发送上行数据的总功率是否 超过上限值之前, 向所述 eNB发送功率参考信息, 以使所述 eNB根据所 述功率参考信息确定所述上行数据发送策略。
23、 根据权利要求 22所述的设备, 其特征在于, 所述确定模块, 具 体用于在所述蜂窝网上向所述 eNB发送功率余量报告 PHR, 所述 PHR中 包含所述 UE所需的在 WiFi上所使用的功率余量和 /或最大功率限制; 或者,
在所述蜂窝网上向所述 eNB发送 PHR, 所述 PHR中包含的功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的功率余量 值。
24、 一种基站 eNB , 其特征在于, 包括:
确定模块, 用于确定用户设备 UE在蜂窝网和无线保真 WiFi上发送 上行数据的上行数据发送策略, 所述上行数据发送策略用于使所述 UE在 蜂窝网和无线保真 WiFi上同时发送上行数据的总功率不超过所述上限值; 下行发送模块, 用于向所述 UE发送所述上行数据发送策略。
25、 根据权利要求 24所述的 eNB, 其特征在于, 所述上行数据发送 策略, 包括:
同时发送策略, 所述同时发送策略用于使所述 UE在蜂窝网和 WiFi 上同时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率与在 WiFi 上的上行发送功率之和小于等于第一上限值; 或者用于使所述 UE在蜂窝 网上的上行发送功率小于等于上限值 X, 在 WiFi上的上行发送功率小于 等于上限值 Y, 且 X+Y≤第一上限值;
或者,
分时发送策略, 所述分时发送策略用于使所述 UE在蜂窝网和 WiFi 上分时发送上行数据, 且所述 UE在蜂窝网上的上行发送功率小于等于第 一上限值或在 WiFi上的上行发送功率小于等于第二上限值。
26、 根据权利要求 25所述的 eNB , 其特征在于, 所述同时发送策略, 包括下述策略中的至少一种策略:
第一同时发送策略, 所述第一同时发送策略用于使所述 UE优先满足 在所述蜂窝网上所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于等于第一上限值;
第二同时发送策略, 所述第二同时发送策略用于使所述 UE优先满足 在所述蜂窝网上和 WiFi上发送的上行数据中业务优先级高的上行数据所 在的网络上的上行发送功率, 若优先级相同, 则优先满足在所述蜂窝网上 所需的上行发送功率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行 发送功率之和小于等于第一上限值;
第三同时发送策略, 所述第三同时发送策略用于使所述 UE优先满足 在需要发送信令的蜂窝网或 WiFi的上行发送功率, 若在所述蜂窝网上和 WiFi上均需要发送信令, 则优先满足在所述蜂窝网上所需的上行发送功 率, 且在蜂窝网上的上行发送功率与在 WiFi上的上行发送功率之和小于 等于第一上限值;
第四同时发送策略, 所述第四同时发送策略用于使所述 UE等比例降 低在所述蜂窝网上所需的上行发送功率和在 WiFi上所需的上行发送功率, 且降低后的上行发送功率之和小于等于第一上限值;
第五同时发送策略, 所述第五同时发送策略用于使所述 UE在 WiFi 上的上行发送功率不超过所述 WiFi的最大功率限制。
27、 根据权利要求 25所述的 eNB , 其特征在于, 所述分时发送策略, 包括下述策略中的至少一种策略:
第一分时发送策略, 所述第一分时发送策略用于使所述 UE在第一子 帧上进行所述蜂窝网的上行发送, 所述 UE在第二子帧上进行所述 WiFi 的上行发送, 且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值 或在 WiFi上的上行发送功率小于等于第二上限值;
第二分时发送策略, 所述第二分时发送策略用于使所述 UE在时分蜂 窝网的下行子帧位置进行所述 WiFi的上行发送, 且所述 UE在蜂窝网上 的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等 于第二上限值;
第三分时发送策略, 所述第三分时发送策略用于使所述 UE在所述蜂 窝网处于非连续接收模式的非活动时间期间, 在所述 WiFi上进行上行发 送,且所述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi 上的上行发送功率小于等于第二上限值;
第四分时发送策略, 所述第四分时发送策略用于使所述 UE 在所述 WiFi处于省电模式的休眠状态期间,在所述蜂窝网上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第五分时发送策略, 所述第五分时发送策略用于使所述 UE在所述蜂 窝网进行下行接收且无上行发送时, 在所述 WiFi上进行上行发送, 且所 述 UE在蜂窝网上的上行发送功率小于等于第一上限值或在 WiFi上的上 行发送功率小于等于第二上限值;
第六分时发送策略, 所述第六分时发送策略用于使所述 UE 在所述 WiFi进行下行接收时, 在所述蜂窝网上进行上行发送, 且所述 UE在蜂窝 网上的上行发送功率小于等于第一上限值或在 WiFi上的上行发送功率小 于等于第二上限值;
第七分时发送策略, 所述第七分时发送策略用于使所述 UE在所述蜂 窝网上有上行资源进行上行发送时, 延迟在所述 WiFi上进行的上行发送 或取消正在所述 WiFi上进行的上行发送, 且所述 UE在蜂窝网上的上行 发送功率小于等于第一上限值或在 WiFi上的上行发送功率小于等于第二 上限值。
28、 根据权利要求 24~27中任一项所述的 eNB, 其特征在于, 所述下 行发送模块,还用于向所述 UE发送所述上行数据发送策略时, 向所述 UE 发送所述上限值, 或者, 向所述 UE发送电磁波能量吸收比 SAR, 以使所 述 UE根据所述 SAR确定所述上限值。
29、 根据权利要求 24~28中任一项所述的 eNB, 其特征在于, 所述确 定模块, 还用于确定 UE在蜂窝网和 WiFi上发送上行数据的上行数据发 送策略之前,接收所述 UE或者所述 UE所在的 WiFi接入点发送的功率参 考信息;
相应的, 所述确定模块, 具体用于:
根据所述 WiFi的功率参考信息确定所述上行数据发送策略。
30、 根据权利要求 29所述的 eNB, 其特征在于, 所述确定模块, 具 体用于接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点发送的 最大功率限制, 所述 PHR中包含所述 UE所需的在 WiFi上所使用的功率 余量和 /或最大功率限制;
或者,
接收所述 UE发送的 PHR和 /或所述 UE所在的 WiFi接入点发送的最 大功率限制, 所述 PHR中包含的功率余量 PH值为去除所述 UE所需的在 WiFi上所使用的功率余量之后的功率余量值。
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