WO2015019179A3 - Method and device for mitigating interference - Google Patents

Method and device for mitigating interference Download PDF

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Publication number
WO2015019179A3
WO2015019179A3 PCT/IB2014/002007 IB2014002007W WO2015019179A3 WO 2015019179 A3 WO2015019179 A3 WO 2015019179A3 IB 2014002007 W IB2014002007 W IB 2014002007W WO 2015019179 A3 WO2015019179 A3 WO 2015019179A3
Authority
WO
WIPO (PCT)
Prior art keywords
interference
transmit power
link
power
user equipment
Prior art date
Application number
PCT/IB2014/002007
Other languages
French (fr)
Other versions
WO2015019179A2 (en
Inventor
Chongxian Zhong
Tao Yang
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Publication of WO2015019179A2 publication Critical patent/WO2015019179A2/en
Publication of WO2015019179A3 publication Critical patent/WO2015019179A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/283—Power depending on the position of the mobile
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/383—TPC being performed in particular situations power control in peer-to-peer links
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

Embodiments of the present invention provide a method of mitigating interference in user equipment at a transmitting end and corresponding user equipment. The method comprises: obtaining a maximum available transmit power; determining a first path loss power of at least one desired D2D link to user equipment at a receiving end, and determining a second path loss power of at least one interference link; determining an estimated transmit power according to the first path loss power and the second path loss power; and selecting a smaller power from the maximum available transmit power and the estimated transmit power, as a transmit power. By employing the method according to embodiments of the present invention, the transmit power of the user equipment at the transmitting end is controlled, which not only ensures communication quality of the desired D2D link but also effectively mitigates the interference caused by the transmitting end of the desired D2D link to the receiving ends of other links multiplexing the same resource blocks as it since interference of an interference link is considered, thereby improving the capability of interference mitigation in D2D communication.
PCT/IB2014/002007 2013-08-09 2014-08-08 Method and device for mitigating interference WO2015019179A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310347939.0 2013-08-09
CN201310347939.0A CN104349437B (en) 2013-08-09 2013-08-09 Method for inhibiting interference and user equipment

Publications (2)

Publication Number Publication Date
WO2015019179A2 WO2015019179A2 (en) 2015-02-12
WO2015019179A3 true WO2015019179A3 (en) 2015-05-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/002007 WO2015019179A2 (en) 2013-08-09 2014-08-08 Method and device for mitigating interference

Country Status (3)

Country Link
CN (1) CN104349437B (en)
TW (1) TW201521370A (en)
WO (1) WO2015019179A2 (en)

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EP3281458B1 (en) * 2015-04-10 2020-06-24 Telefonaktiebolaget LM Ericsson (PUBL) Methods of enabling measurements for handling of a device-to-device d2d side link in a cellular system
CN107667563B (en) * 2015-06-30 2021-07-27 苹果公司 Distributed link scheduling techniques for device-to-device communication
WO2017171895A1 (en) * 2016-04-01 2017-10-05 Intel Corporation Link adaptation for low complexity device to device (d2d) communication
US9986513B1 (en) 2016-12-31 2018-05-29 Sprint Communications Company L.P. Device to-device (D2D) transmission power control
CN110149689B (en) * 2018-02-11 2022-03-25 华为技术有限公司 Power control method and device
CN110381574A (en) * 2018-04-12 2019-10-25 维沃移动通信有限公司 Open-loop power control method and equipment in by-link communication
US11516749B2 (en) 2018-07-20 2022-11-29 Apple Inc. Method and apparatus for V2X communications
US11818669B2 (en) * 2018-09-19 2023-11-14 Nec Corporation Method, apparatus and computer readable media for power control in a wireless communication system
CN111148205B (en) * 2018-11-02 2022-03-25 华为技术有限公司 Method and device for determining transmission power
CN111294914A (en) * 2019-01-11 2020-06-16 展讯通信（上海）有限公司 Method and device for receiving and sending path loss of direct link, storage medium and terminal
CN111586827B (en) * 2019-02-15 2021-12-14 成都华为技术有限公司 Power control method and power control device
CN113330784A (en) 2019-02-15 2021-08-31 Oppo广东移动通信有限公司 Method and apparatus for wireless communication
EP3932122A4 (en) * 2019-03-01 2023-01-18 Lenovo (Beijing) Limited Method and apparatus for controlling transmission power on a sidelink
CN111294754B (en) * 2019-03-28 2022-10-11 展讯通信（上海）有限公司 Uplink transmission method and device based on direct link resources and storage medium
JP7194844B2 (en) * 2019-04-01 2022-12-22 オッポ広東移動通信有限公司 Apparatus for transmission power control and method for transmission power control of this apparatus
CN110602776B (en) * 2019-09-30 2021-10-29 展讯通信（上海）有限公司 Reference Signal Received Power (RSRP) measuring method and device for direct link
CN113453197B (en) * 2021-06-28 2022-06-21 华南师范大学 User pairing method combining mobile prediction and dynamic power
CN115707076A (en) * 2021-08-13 2023-02-17 华为技术有限公司 Power control method and device

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US20130157676A1 (en) * 2011-12-14 2013-06-20 Electronics And Telecommunications Research Institute Control method for device-to-device communication

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Also Published As

Publication number Publication date
TW201521370A (en) 2015-06-01
CN104349437A (en) 2015-02-11
WO2015019179A2 (en) 2015-02-12
CN104349437B (en) 2018-10-19

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