DK2826161T3 - Kombinering af kanalkvalitetsmålinger baseret på lydreferencesignaler og demoduleringsreferencesignaler - Google Patents

Kombinering af kanalkvalitetsmålinger baseret på lydreferencesignaler og demoduleringsreferencesignaler Download PDF

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Publication number
DK2826161T3
DK2826161T3 DK13720585.2T DK13720585T DK2826161T3 DK 2826161 T3 DK2826161 T3 DK 2826161T3 DK 13720585 T DK13720585 T DK 13720585T DK 2826161 T3 DK2826161 T3 DK 2826161T3
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DK
Denmark
Prior art keywords
reference signals
channel quality
quality measurement
measurement based
combining channel
Prior art date
Application number
DK13720585.2T
Other languages
English (en)
Inventor
Chester Park
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Application granted granted Critical
Publication of DK2826161T3 publication Critical patent/DK2826161T3/da

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Environmental & Geological Engineering (AREA)
DK13720585.2T 2012-03-15 2013-03-14 Kombinering af kanalkvalitetsmålinger baseret på lydreferencesignaler og demoduleringsreferencesignaler DK2826161T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/421,055 US8717927B2 (en) 2012-03-15 2012-03-15 Combining channel quality measurements based on sounding reference signals and demodulation reference signals
PCT/IB2013/052030 WO2013136293A1 (en) 2012-03-15 2013-03-14 Combining channel quality measurements based on sounding reference signals and demodulation reference signals

Publications (1)

Publication Number Publication Date
DK2826161T3 true DK2826161T3 (da) 2019-09-16

Family

ID=48289546

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13720585.2T DK2826161T3 (da) 2012-03-15 2013-03-14 Kombinering af kanalkvalitetsmålinger baseret på lydreferencesignaler og demoduleringsreferencesignaler

Country Status (9)

Country Link
US (2) US8717927B2 (da)
EP (3) EP2826161B1 (da)
DK (1) DK2826161T3 (da)
ES (1) ES2744604T3 (da)
HU (1) HUE046311T2 (da)
IN (1) IN2014DN08617A (da)
PL (1) PL2826161T3 (da)
PT (1) PT2826161T (da)
WO (1) WO2013136293A1 (da)

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CN103634037B (zh) * 2012-08-28 2020-01-14 中兴通讯股份有限公司 波束成形方法及装置
KR101981087B1 (ko) * 2013-06-13 2019-08-28 삼성전자주식회사 쌍방향 릴레이 장치 및 그에 의한 방법
US9025486B1 (en) * 2013-10-08 2015-05-05 Netscout Systems, Inc. Determining quality of radio access network transmissions
US9288007B2 (en) 2013-11-15 2016-03-15 At&T Intellectual Property I, L.P. Endpoint device antenna beam forming based jamming detection and mitigation
CN104090205B (zh) * 2014-06-10 2018-01-16 宁波长壁流体动力科技有限公司 一种电缆连接测试电路
WO2016064901A1 (en) * 2014-10-20 2016-04-28 Ping Liang Methods for channel information acquisition, signal detection and transmission in multi-user wireless communication systems
KR20160089486A (ko) * 2014-10-27 2016-07-27 후아웨이 테크놀러지 컴퍼니 리미티드 적응적 변조 및 코딩 방법과 장치
CN104955160A (zh) * 2015-05-04 2015-09-30 余凤莲 一种基于分布式传输的性能提高系统
US10164746B2 (en) * 2015-05-22 2018-12-25 Qualcomm Incorporated Techniques for managing transmissions of reference signals
CN108141257B (zh) 2015-10-05 2021-06-29 瑞典爱立信有限公司 考虑从上行链路参考信号波束成形产生的有效下行链路信道的方法和装置
CN106658726B (zh) * 2015-11-04 2020-01-31 普天信息技术有限公司 一种数据传输方法和终端
CN105490979A (zh) * 2015-11-26 2016-04-13 杨荣 一种ofdm通信方法
CN105553523A (zh) * 2015-12-07 2016-05-04 杨荣 一种基于分布式处理的ofdm通信系统
CN105515626A (zh) * 2015-12-07 2016-04-20 杨荣 一种基于分布式处理的ofdm通信方法
US10326572B2 (en) 2016-03-14 2019-06-18 Lg Electronics Enhanced channel estimation method and user equipment performing the same
CN108886695B (zh) * 2016-04-01 2022-03-25 瑞典爱立信有限公司 用于控制测量带宽以解决损害的方法和装置
US10411914B2 (en) * 2016-12-14 2019-09-10 Intel IP Corporation Data detection in MIMO systems with demodulation and tracking reference signals
TWI693809B (zh) * 2017-06-16 2020-05-11 聯發科技股份有限公司 行動通訊之跨連結干擾量測方法及裝置
EP3665987B1 (en) * 2017-08-11 2026-04-29 Lenovo (Beijing) Limited Determining an association between dmrs and ptrs
US10972214B2 (en) * 2019-02-15 2021-04-06 At&T Intellectual Property I, L.P. Scheduling of uplink data using demodulation reference signal and scheduled resources
IT201900002785A1 (it) * 2019-02-26 2020-08-26 Teko Telecom S R L Stazione radio base e processo di telecomunicazione wireless per scenari ad alta mobilita'
CN112188622B (zh) * 2019-07-03 2025-05-06 华为技术有限公司 一种协作传输方法及通信装置
CN115606278B (zh) * 2020-04-08 2025-09-30 高通股份有限公司 确定用于多输入多输出(mimo)的上行链路默认波束
CN113556772B (zh) * 2020-04-26 2023-10-20 华为技术有限公司 信道预测方法及装置
WO2022010389A1 (en) 2020-07-07 2022-01-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and device(s) for supporting calibration of a multi-antenna array comprised in an antenna device operative with a wireless communication network
CN115413030B (zh) * 2021-05-26 2025-10-31 华为技术有限公司 一种选择上行频选调度的方法以及相关装置
US11737109B2 (en) * 2021-06-21 2023-08-22 Qualcomm Incorporated Techniques for subcarrier tone reservation
WO2023018362A1 (en) * 2021-08-10 2023-02-16 Telefonaktiebolaget Lm Ericsson (Publ) Node and method for adjusting channel coefficients of a wireless channel
US12244542B2 (en) * 2021-08-24 2025-03-04 Qualcomm Incorporated UE indication of null tone placement for demodulation
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US8634319B2 (en) 2009-09-27 2014-01-21 Lg Electronics Inc. Method whereby a channel quality indicator is fed back by a terminal in a multiple-antenna wireless communication system, and a device therefor
JP5130276B2 (ja) * 2009-11-18 2013-01-30 株式会社エヌ・ティ・ティ・ドコモ 無線基地局

Also Published As

Publication number Publication date
EP2826161A1 (en) 2015-01-21
EP2826161B1 (en) 2019-08-21
US8971203B2 (en) 2015-03-03
EP3573251B1 (en) 2021-01-20
US8717927B2 (en) 2014-05-06
EP3573289B1 (en) 2021-01-20
US20130242761A1 (en) 2013-09-19
ES2744604T3 (es) 2020-02-25
EP3573251A1 (en) 2019-11-27
HUE046311T2 (hu) 2020-02-28
PT2826161T (pt) 2019-09-20
WO2013136293A1 (en) 2013-09-19
PL2826161T3 (pl) 2019-12-31
US20140098696A1 (en) 2014-04-10
EP3573289A1 (en) 2019-11-27
IN2014DN08617A (da) 2015-05-22

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