MX2017005947A - Un transmisor de radio para mitigacion de distorsion. - Google Patents

Un transmisor de radio para mitigacion de distorsion.

Info

Publication number
MX2017005947A
MX2017005947A MX2017005947A MX2017005947A MX2017005947A MX 2017005947 A MX2017005947 A MX 2017005947A MX 2017005947 A MX2017005947 A MX 2017005947A MX 2017005947 A MX2017005947 A MX 2017005947A MX 2017005947 A MX2017005947 A MX 2017005947A
Authority
MX
Mexico
Prior art keywords
coder
transmit signal
radio transmitter
transmitter
components
Prior art date
Application number
MX2017005947A
Other languages
English (en)
Inventor
Gustavsson Ulf
Eriksson Thomas
Original Assignee
ERICSSON TELEFON AB L M (publ)
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 ERICSSON TELEFON AB L M (publ) filed Critical ERICSSON TELEFON AB L M (publ)
Publication of MX2017005947A publication Critical patent/MX2017005947A/es

Links

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
    • H04B7/06—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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Radio Transmission System (AREA)

Abstract

Un transmisor para transmisión de radio a uno o más receptores a través de un canal descrito al menos en parte mediante una matriz H de canal, el transmisor comprende un pre-codificador conectado a una disposición de antenas mediante una unidad de transmisión, la disposición de antenas comprende un número M de elementos am de antenas, m=1,2, ...,M, cada elemento am de antenas se configura para recibir un componente xm de señal de transmisión respectivo del pre-codificador mediante la unidad de transmisión, el pre-codificador se configura para recibir un número K<M de corrientes sk de datos, k=1,2, ...,K, y para generar M componentes de señal de transmisión, en donde la generación comprende agregar M componentes em de conformación, m=1,2, ...,M, a los componentes xm de señal de transmisión respectivos, los componentes em de conformación se generan con base en un espacio nulo de la matriz H de canal y una o más propiedades de la unidad de transmisión.
MX2017005947A 2014-11-25 2014-11-25 Un transmisor de radio para mitigacion de distorsion. MX2017005947A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/075591 WO2016082871A1 (en) 2014-11-25 2014-11-25 A radio transmitter for distortion mitigation

Publications (1)

Publication Number Publication Date
MX2017005947A true MX2017005947A (es) 2017-06-29

Family

ID=51987148

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2017005947A MX2017005947A (es) 2014-11-25 2014-11-25 Un transmisor de radio para mitigacion de distorsion.

Country Status (6)

Country Link
US (1) US10218421B2 (es)
EP (1) EP3063878B1 (es)
AU (1) AU2014412334B2 (es)
DK (1) DK3063878T3 (es)
MX (1) MX2017005947A (es)
WO (1) WO2016082871A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018046080A1 (en) 2016-09-07 2018-03-15 Telefonaktiebolaget Lm Ericsson (Publ) Handling of unwanted emissions from a radio communications device
US10790850B1 (en) * 2019-06-28 2020-09-29 Nxp B.V. Signal amplitude aware dithering method for enhancing small signal linearity in an analog-to-digital converter
CN111252084B (zh) * 2020-02-27 2021-01-12 山东黄金矿业（莱西）有限公司 一种基于5g技术的有轨电机车自动运输系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8073486B2 (en) * 2006-09-27 2011-12-06 Apple Inc. Methods for opportunistic multi-user beamforming in collaborative MIMO-SDMA
KR100966522B1 (ko) * 2007-04-09 2010-06-29 삼성전자주식회사 다중안테나 시스템에서 일그러짐 없는 벡터 섭동을제공하는 장치 및 방법
KR101405974B1 (ko) * 2007-08-16 2014-06-27 엘지전자 주식회사 다중입력 다중출력 시스템에서 코드워드를 전송하는 방법
US8675763B2 (en) * 2008-10-09 2014-03-18 Telefonaktiebolaget Lm Ericsson (Publ) Multi-stream communication system
EP2237445B8 (en) * 2009-04-02 2014-11-12 Samsung Electronics Co., Ltd. Apparatus and method for determining optimum integer perturbation vector of low complexity in multiple antenna system
WO2012154090A1 (en) * 2011-05-06 2012-11-15 Ellintech Ab Precoder using a constant envelope constraint and a corresponding precoding method for mu-mimo communication systems
JP5804594B2 (ja) 2011-08-05 2015-11-04 シャープ株式会社 プリコーディング装置、プリコーディング用プログラムおよび集積回路
KR20130110396A (ko) * 2012-03-29 2013-10-10 삼성전자주식회사 아날로그/디지털 혼합 빔 포밍 시스템에서 기준 신호 생성을 위한 방법 및 장치
US9503171B2 (en) * 2013-01-04 2016-11-22 Electronics And Telecommunications Research Institute Method for transmitting signal using multiple antennas
WO2015065155A1 (ko) * 2013-11-04 2015-05-07 엘지전자 주식회사 무선 통신 시스템에서 신호를 전송하는 방법 및 장치
US9509385B2 (en) 2014-06-11 2016-11-29 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method for digital beam-forming with low-resolution quantization
JP6380683B2 (ja) * 2014-10-29 2018-08-29 日本電気株式会社 通信システム及び方法、基地局、及びユーザ端末

Also Published As

Publication number Publication date
AU2014412334A1 (en) 2017-05-18
US20180241451A1 (en) 2018-08-23
WO2016082871A1 (en) 2016-06-02
EP3063878B1 (en) 2017-06-28
EP3063878A1 (en) 2016-09-07
AU2014412334B2 (en) 2019-05-02
US10218421B2 (en) 2019-02-26
DK3063878T3 (en) 2017-09-04

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