BRPI0415740A - balanceamento de interferência em um sistema de comunicação sem-fio - Google Patents

balanceamento de interferência em um sistema de comunicação sem-fio

Info

Publication number
BRPI0415740A
BRPI0415740A BRPI0415740-0A BRPI0415740A BRPI0415740A BR PI0415740 A BRPI0415740 A BR PI0415740A BR PI0415740 A BRPI0415740 A BR PI0415740A BR PI0415740 A BRPI0415740 A BR PI0415740A
Authority
BR
Brazil
Prior art keywords
communication system
cells
relates
present
cell cluster
Prior art date
Application number
BRPI0415740-0A
Other languages
English (en)
Inventor
Christian Wengerter
Alexander Golitschek E Elbwart
Original Assignee
Matsushita Electric Ind Co 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BRPI0415740A publication Critical patent/BRPI0415740A/pt

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
    • H04W52/30—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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
    • 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
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • 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
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

"BALANCEAMENTO DE INTERFERêNCIA EM UM SISTEMA DE COMUNICAçãO SEM-FIO". A presente invenção refere-se a um método para balancear a distribuição de interferência entre as células de rádio em um sistema de comunicação sem-fio que compreende células nas quais os blocos de subportadoras são utilizados para a comunicação. Um número de células adjacentes constrói um grupamento de células. Mais ainda, a presente invenção refere-se a um método correspondente adaptado para utilização em um sistema no qual antenas de múltiplos feixes ou múltiplas antenas são utilizadas. Mais ainda, a presente invenção refere-se a estações de base para executar o método acima assim como um sistema de comunicação que compreende as estações de base. Para reduzir as grandes variações de SIR média sem causar uma estimativa de SIR adicional, um problema de medição e de cálculo como introduzido com o controle de potência da invenção sugere agrupar os blocos de subportadoras em uma pluralidade de conjuntos de blocos de subportadoras em cada célula de um grupamento de células, para determinar as faixas de potência de transmissão para cada uma das células do dito grupamento de células, e atribuir faixas de potência de transmissão aos conjuntos de blocos de subportadoras para executar o TPC dentro das faixas.
BRPI0415740-0A 2003-11-06 2004-11-05 balanceamento de interferência em um sistema de comunicação sem-fio BRPI0415740A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03025479A EP1530387A1 (en) 2003-11-06 2003-11-06 Transmission power range setting during channel assignment for interference balancing in a cellular wireless communication system
PCT/EP2004/012561 WO2005046274A1 (en) 2003-11-06 2004-11-05 Transmission power range setting during channel assignment for interference balancing in a cellular wireless communication system

Publications (1)

Publication Number Publication Date
BRPI0415740A true BRPI0415740A (pt) 2006-12-19

Family

ID=34429277

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0415740-0A BRPI0415740A (pt) 2003-11-06 2004-11-05 balanceamento de interferência em um sistema de comunicação sem-fio

Country Status (10)

Country Link
US (2) US7877108B2 (pt)
EP (3) EP1530387A1 (pt)
JP (3) JP4568284B2 (pt)
KR (1) KR20060126989A (pt)
CN (2) CN101868014B (pt)
AT (1) ATE498285T1 (pt)
BR (1) BRPI0415740A (pt)
DE (1) DE602004031359D1 (pt)
RU (1) RU2347330C2 (pt)
WO (1) WO2005046274A1 (pt)

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Also Published As

Publication number Publication date
WO2005046274A1 (en) 2005-05-19
US20070060062A1 (en) 2007-03-15
CN1902968B (zh) 2010-09-08
DE602004031359D1 (de) 2011-03-24
EP1530387A1 (en) 2005-05-11
US20110081942A1 (en) 2011-04-07
RU2006119622A (ru) 2007-12-20
US8457678B2 (en) 2013-06-04
JP2007512730A (ja) 2007-05-17
KR20060126989A (ko) 2006-12-11
CN101868014A (zh) 2010-10-20
ATE498285T1 (de) 2011-02-15
CN1902968A (zh) 2007-01-24
JP2012095324A (ja) 2012-05-17
JP4568284B2 (ja) 2010-10-27
JP5421345B2 (ja) 2014-02-19
JP2010193507A (ja) 2010-09-02
EP1692896B1 (en) 2011-02-09
EP2259614A2 (en) 2010-12-08
RU2347330C2 (ru) 2009-02-20
JP4939626B2 (ja) 2012-05-30
CN101868014B (zh) 2013-07-03
EP2259614A3 (en) 2012-03-21
US7877108B2 (en) 2011-01-25
EP2259614B1 (en) 2018-01-03
EP1692896A1 (en) 2006-08-23

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.

B15K Others concerning applications: alteration of classification

Ipc: H04W 52/50 (2009.01), H04W 52/26 (2009.01), H04W 5