PL2792082T3 - Rozproszone obliczanie wag wstępnego kodowania dla skoordynowanej wielopunktowej transmisji na łączu w dół - Google Patents

Rozproszone obliczanie wag wstępnego kodowania dla skoordynowanej wielopunktowej transmisji na łączu w dół

Info

Publication number
PL2792082T3
PL2792082T3 PL12823007T PL12823007T PL2792082T3 PL 2792082 T3 PL2792082 T3 PL 2792082T3 PL 12823007 T PL12823007 T PL 12823007T PL 12823007 T PL12823007 T PL 12823007T PL 2792082 T3 PL2792082 T3 PL 2792082T3
Authority
PL
Poland
Prior art keywords
downlink
multipoint transmission
coordinated multipoint
precoding weights
distributed computation
Prior art date
Application number
PL12823007T
Other languages
English (en)
Inventor
Dennis Hui
Kambiz Zangi
Original Assignee
Ericsson Telefon Ab L M
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 filed Critical Ericsson Telefon Ab L M
Publication of PL2792082T3 publication Critical patent/PL2792082T3/pl

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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/0413—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
    • H04B7/0465—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365—Power headroom reporting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
PL12823007T 2011-12-16 2012-12-17 Rozproszone obliczanie wag wstępnego kodowania dla skoordynowanej wielopunktowej transmisji na łączu w dół PL2792082T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/329,127 US8818385B2 (en) 2009-05-14 2011-12-16 Distributed computation of precoding weights for coordinated multipoint transmission on the downlink
PCT/IB2012/057401 WO2013088423A2 (en) 2011-12-16 2012-12-17 Distributed computation of precoding weights for coordinated multipoint transmission on the downlink
EP12823007.5A EP2792082B1 (en) 2011-12-16 2012-12-17 Distributed computation of precoding weights for coordinated multipoint transmission on the downlink

Publications (1)

Publication Number Publication Date
PL2792082T3 true PL2792082T3 (pl) 2019-05-31

Family

ID=47678906

Family Applications (1)

Application Number Title Priority Date Filing Date
PL12823007T PL2792082T3 (pl) 2011-12-16 2012-12-17 Rozproszone obliczanie wag wstępnego kodowania dla skoordynowanej wielopunktowej transmisji na łączu w dół

Country Status (6)

Country Link
US (1) US8818385B2 (pl)
EP (1) EP2792082B1 (pl)
PL (1) PL2792082T3 (pl)
TR (1) TR201900352T4 (pl)
TW (1) TWI586129B (pl)
WO (1) WO2013088423A2 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101618283B1 (ko) * 2009-05-22 2016-05-04 삼성전자주식회사 통합 다중 포인트 통신을 위한 정보 피드백 방법
WO2013012264A2 (ko) * 2011-07-19 2013-01-24 엘지전자 주식회사 다중 전송 포인트를 이용한 통신 방법 및 이를 위한 장치
JP5911265B2 (ja) * 2011-11-07 2016-04-27 株式会社Ｎｔｔドコモ 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法
JP5918505B2 (ja) * 2011-11-07 2016-05-18 株式会社Ｎｔｔドコモ 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法
CN103580782B (zh) * 2012-07-24 2017-10-17 华为技术有限公司 无线通信系统的基带处理装置和无线通信系统
TWI658707B (zh) 2017-12-14 2019-05-01 Industrial Technology Research Institute 通訊系統及其運作方法
WO2021257540A1 (en) * 2020-06-15 2021-12-23 Cohere Technologies, Inc. Spectral sharing wireless systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070280175A1 (en) 2006-06-01 2007-12-06 Fang-Chen Cheng Coordinating transmission scheduling among multiple base stations
US8036099B2 (en) * 2007-09-06 2011-10-11 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for linearly precoding downlink transmissions to reduce temporal variations in interference
US8755807B2 (en) * 2009-01-12 2014-06-17 Qualcomm Incorporated Semi-static resource allocation to support coordinated multipoint (CoMP) transmission in a wireless communication network
US8274951B2 (en) * 2009-03-17 2012-09-25 Samsung Electronics Co., Ltd. System and method for dynamic cell selection and resource mapping for CoMP joint transmission
US8107965B2 (en) * 2009-05-14 2012-01-31 Telefonaktiebolaget L M Ericsson (Publ) Distributed computation of precoding weights for coordinated multipoint transmission on the downlink
US8219128B2 (en) 2009-06-12 2012-07-10 Telefonaktiebolaget L M Ericsson (Publ) Network-centric link adaptation for coordinated multipoint downlink transmission
US20100323611A1 (en) 2009-06-19 2010-12-23 Sharp Laboratories Of America, Inc. Systems and methods for coherent precoding with antenna selection for coordinated multipoint transmission
WO2011009486A1 (en) 2009-07-22 2011-01-27 Nokia Siemens Networks Oy Method of coordinating the transmission resources in a coordinated multipoint transmission/receiving communication network
US8369791B2 (en) 2009-09-22 2013-02-05 Telefonaktiebolaget L M Ericsson (Publ) Multi-user beamforming with inter-cell interference suppression
US8675718B2 (en) 2009-10-01 2014-03-18 Telefonaktiebolaget L M Ericsson (Publ) Iterative precoder matrix computation method and apparatus
ES2425468B1 (es) * 2011-07-13 2014-04-30 Telefónica, S.A. Método para optimizar la asignación de potencia de flujos de usuario transmitidos desde estaciones base en sistemas de transmisión de estación base coordinada

Also Published As

Publication number Publication date
TW201332325A (zh) 2013-08-01
WO2013088423A2 (en) 2013-06-20
TR201900352T4 (tr) 2019-02-21
EP2792082A2 (en) 2014-10-22
US20120087310A1 (en) 2012-04-12
TWI586129B (zh) 2017-06-01
US8818385B2 (en) 2014-08-26
EP2792082B1 (en) 2018-11-14
WO2013088423A3 (en) 2013-11-07

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