KR20080089516A - 무선 통신 시스템의 업링크 송신을 제어하는 방법 및 장치 - Google Patents
무선 통신 시스템의 업링크 송신을 제어하는 방법 및 장치 Download PDFInfo
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- 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
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
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- 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
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- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
Description
Claims (8)
- 무선 통신 시스템의 업링크를 동작하는 방법으로서,이용가능한 시스템 리소스를 다수의 채널로 분할하는 단계;상기 통신 시스템에 대한 재사용 패턴을 정의하는 단계;상기 통신 시스템에서 셀 각각에 대한 하나 이상의 특성을 결정하는 단계;상기 셀에 대한 상기 결정된 하나 이상의 특성에 적어도 부분적으로 기초하여 셀 각각에 채널의 세트를 할당하는 단계; 및상기 통신 시스템에서의 변경을 반영하기 위해 상기 결정하는 단계 및 상기 할당하는 단계를 반복하는 단계를 포함하고,상기 재사용 패턴은 다수의 셀을 포함하고,할당된 채널 각각은 상기 업링크상의 데이터 송신에 대한 터미널에 할당될 수도 있는, 업링크 동작 방법.
- 제 1 항에 있어서,상기 재사용 패턴에서의 셀 각각은 최대 전력 레벨의 송신에 대해 이용 가능한 하나 이상의 채널 및 감소된 전력 레벨의 송신에 이용가능한 하나 이상의 채널을 포함하는 채널의 세트 각각에 할당되는, 업링크 동작 방법.
- 제 1 항에 있어서,셀 각각에 할당된 상기 채널의 세트는 상기 셀에서의 추정된 로딩 조건에 부분적으로 기초하여 결정되는, 업링크 동작 방법.
- 통신 시스템에서 업링크를 동작하는 방법으로서,다수의 터미널에 의해 데이터 송신에 대해 사용되는 재사용 방식을 정의하는 단계;상기 정의된 재사용 방식에 따라서 데이터 송신에 대한 터미널을 스케쥴링하는 단계;스케쥴링된 터미널로부터 송신을 수신하는 단계;상기 통신 시스템의 성능을 평가하는 단계;상기 평가된 시스템 성능이 특정 임계값 내에 있는지 여부를 결정하는 단계; 및상기 평가된 시스템 성능이 상기 특정 임계값 내에 있지 않은 경우, 상기 재사용 방식을 재정의하는 단계를 포함하고,상기 정의된 재사용 방식은 특정 재사용 패턴, 이용가능한 시스템 리소스의 최초 할당 및 동작 파라미터의 세트를 식별하는, 업링크 동작 방법.
- 제 4 항에 있어서,상기 재사용 방법을 정의하는 단계는,상기 통신 시스템에서 셀 각각에 수신된 간섭의 특성화를 진행하는 단계;상기 이용가능한 시스템 리소스를 다수의 채널로 분할하는 단계; 및상기 셀에 대한 상기 진행된 간섭 특성화에 적어도 부분적으로 기초하여 셀 각각에 채널의 세트를 할당하는 단계를 포함하는, 업링크 동작 방법.
- 제 5 항에 있어서,상기 재사용 방법을 정의하는 단계는,할당된 채널의 세트 각각에 관련되게 백오프 인자의 세트를 정의하는 단계를 더 포함하는, 업링크 동작 방법.
- 통신 시스템의 기지국으로서,다수의 터미널에 의해 업링크 데이터 송신에 대해 사용되는 재사용 플랜을 정의하는 데이터를 수신하도록 구성되는 리소스 할당 프로세서;하나 이상의 수신된 심볼 스트림을 제공하도록 하나 이상의 스케쥴링된 터미널로부터 하나 이상의 수신된 시그널을 프로세스하도록 구성된 하나 이상의 전단 프로세서; 및상기 셀에 대한 하나 이상의 특성을 추정하고 하나 이상의 디코딩된 데이터를 제공하기 위해서 상기 하나 이상의 수신된 심볼 스트림을 프로세스하도록 구성되는 하나 이상의 수신 프로세서를 포함하고,상기 정의된 재사용 플랜은 특정 재사용 패턴, 이용가능한 시스템 리소스의 상기 기지국에 의해 커버되는 셀에 할당, 및 동작 파라미터의 세트를 식별하고,상기 리소스 할당 프로세서는 데이터 송신에 대한 하나 이상의 터미널을 스케쥴링하고 스케쥴링된 터미널 각각에 채널을 할당하도록 더 구성되고,상기 리소스 할당 프로세서는 상기 하나 이상의 특성을 나타내는 채널 상태 정보 (CSI ; channel state information) 을 수신하고 터미널을 스케쥴링하고 상기 CSI 에 기초하여 채널을 할당하도록 더 구성되는, 기지국.
- 제 7 항에 있어서,상기 할당된 시스템 리소스는 다수의 채널을 포함하고,상기 리소스 할당 프로세서는 상기 CSI 에 적어도 부분적으로 기초하여 상기 다수의 채널에 대한 다수의 백오프 인자를 결정하도록 더 구성되는, 기지국.
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US09/848,937 US7042856B2 (en) | 2001-05-03 | 2001-05-03 | Method and apparatus for controlling uplink transmissions of a wireless communication system |
US09/848,937 | 2001-05-03 |
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KR1020037014342A Division KR100913710B1 (ko) | 2001-05-03 | 2002-05-02 | 무선 통신 시스템의 업링크 송신을 제어하는 방법 및장치 |
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KR1020037014342A KR100913710B1 (ko) | 2001-05-03 | 2002-05-02 | 무선 통신 시스템의 업링크 송신을 제어하는 방법 및장치 |
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US (2) | US7042856B2 (ko) |
EP (3) | EP1384334B1 (ko) |
JP (4) | JP4307847B2 (ko) |
KR (2) | KR100913713B1 (ko) |
CN (1) | CN1555612B (ko) |
AU (1) | AU2002259144A1 (ko) |
BR (1) | BR0209391A (ko) |
TW (1) | TWI224932B (ko) |
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WO2014084245A1 (ja) * | 2012-11-29 | 2014-06-05 | 株式会社Nttドコモ | ユーザ装置及び方法 |
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EP1384334A2 (en) | 2004-01-28 |
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JP2009112002A (ja) | 2009-05-21 |
EP1384334B1 (en) | 2013-06-19 |
BR0209391A (pt) | 2006-02-07 |
JP2011045092A (ja) | 2011-03-03 |
EP2230861A3 (en) | 2012-07-04 |
JP4307847B2 (ja) | 2009-08-05 |
KR100913710B1 (ko) | 2009-08-24 |
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