KR101341230B1 - 무선 통신 시스템에서 특정 유형의 자원 요소를 신호하는 방법 - Google Patents
무선 통신 시스템에서 특정 유형의 자원 요소를 신호하는 방법 Download PDFInfo
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- 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
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- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission
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- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
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Abstract
Description
도 2는 가능한 실시예에 따른 무선 통신 장치의 예시적인 개략 블록도.
도 3은 가능한 실시예에 따른 OFDM 통신 시스템에서 상이한 사용자에 대한 자원 할당의 예시를 나타낸 도면.
도 4는 공통 RS(Common RS, CRS) 및 전용 RS(Dedicated RS, DRS)를 갖는 LTE의 Release-8 규격에서와 같은 자원 블록(RB)을 나타낸 도면.
도 5는 특정 유형의 기준 심볼 및 RE를 갖는 LTE의 Release-8 규격에서와 같은 자원 블록(RB)을 나타낸 도면.
도 6은 사용자 장비(UE)에서의 동작의 실시예의 플로우차트.
도 7은 베이스 장치(Base unit)에서의 동작의 실시예의 플로우차트.
도 8은 기준 심볼 RE 및 특정 유형의 RE의 일례를 갖는 CoMP(Coordinate Multipoint) 동작의 실시예를 나타낸 도면.
도 9는 기준 심볼 RE 및 특정 유형의 RE의 일례를 갖는 다중 사용자(Multiuser, MU) 동작의 실시예를 나타낸 도면.
Claims (20)
- 무선 단말에서 자원 할당을 수신하는 방법으로서,
복수의 자원 요소(RE: resource element)들을 포함하는 자원 블록들을 수신하는 단계
를 포함하며,
상기 방법은,
상기 무선 단말에 대해 의도된 데이터를 전달하는 할당된 RE들의 집합의 정보를 제공하는 제어 메시지를 수신하는 단계(610),
특수 RE 구성의 제1 집합과 특수 RE 구성의 제2 집합의 정보를 수신하는 단계(620) - 상기 특수 RE 구성의 제1 집합은 무선 단말 채널 측정들을 위해 구성된 하나 이상의 안테나 포트들에 대응하는 하나 이상의 기준 심볼들에 대응하고, 상기 특수 RE 구성의 제2 집합은 상기 무선 단말로의 전송이 없는 하나 이상의 RE들에 대응하며, 상기 특수 RE 구성의 제1 집합과 상기 특수 RE 구성의 제2 집합의 양자 모두는 허용가능한 RE 구성들의 미리 정의된 집합으로부터 유래함 -, 및
상기 특수 RE 구성의 제1 집합과 상기 특수 RE 구성의 제2 집합과 연관된 RE들을 제외하고 상기 무선 단말에 대해 의도된 데이터를 전달하는 RE를 도출하는 단계,
상기 무선 단말에 대해 의도된 데이터를 전달하는 RE들을 도출하는 것에 기초하여 상기 무선 단말에 대해 의도된 데이터를 전달하는 RE들을 디코딩하는 단계(630)
를 더 포함하는 것을 특징으로 하는 자원 할당 수신 방법. - 제1항에 있어서, 상기 할당된 RE들의 집합은 직교 주파수 분할 다중 시스템에서 하나 이상의 심볼들을 포함하는 부반송파들의 집합에 대응하는 자원 할당 수신 방법.
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- 무선 단말로서,
복수의 자원 요소(RE: resource element)들을 포함하는 자원 블록들을 수신하도록 구성된 송수신기(216)
를 포함하며,
상기 무선 단말은,
상기 송수신기가, 상기 무선 단말에 대해 의도된 데이터를 전달하는 할당된 RE들의 집합의 정보를 제공하는 제어 메시지를 수신하고, 또한 특수 RE 구성의 제1 집합과 특수 RE 구성의 제2 집합의 정보를 수신하도록 구성되고 - 상기 특수 RE 구성의 제1 집합은 무선 단말 채널 측정들을 위해 구성된 하나 이상의 안테나 포트들에 대응하는 하나 이상의 기준 심볼들에 대응하고, 상기 특수 RE 구성의 제2 집합은 상기 무선 단말로의 전송이 없는 하나 이상의 RE들에 대응하며, 상기 특수 RE 구성의 제1 집합과 상기 특수 RE 구성의 제2 집합의 양자 모두는 허용가능한 RE 구성들의 미리 정의된 공통 집합으로부터 유래함 -, 및
상기 송수신기가 또한, 상기 송수신기에 결합된 프로세서(210)를 포함하며, 상기 프로세서는 상기 무선 단말의 동작을 제어하도록 구성되며, 상기 프로세서는 상기 특수 RE 구성의 제1 집합과 상기 특수 RE 구성의 제2 집합과 연관된 RE들을 제외하고 상기 무선 단말에 대해 의도된 데이터를 전달하는 RE들을 도출하도록 구성되며, 상기 프로세서는 상기 무선 단말에 대해 의도된 데이터를 전달하는 RE들을 도출하는 것에 기초하여 상기 무선 단말에 대해 의도된 데이터를 전달하는 RE들을 디코딩하도록 구성되는 것
을 특징으로 하는 무선 단말. - 제19항에 있어서, 기준 심볼 구성들은 채널 상태 정보의 측정들을 가능하게 해주는 안테나 포트들에 대응하는 무선 단말.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US12/431,305 US8208434B2 (en) | 2009-04-28 | 2009-04-28 | Method of signaling particular types of resource elements in a wireless communication system |
US12/431,305 | 2009-04-28 | ||
PCT/US2010/030982 WO2010126711A1 (en) | 2009-04-28 | 2010-04-14 | Method of signaling particular types of resource elements in a wireless communication system |
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KR20120018127A KR20120018127A (ko) | 2012-02-29 |
KR101341230B1 true KR101341230B1 (ko) | 2013-12-12 |
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US (4) | US8208434B2 (ko) |
EP (1) | EP2425668B1 (ko) |
JP (3) | JP5599452B2 (ko) |
KR (1) | KR101341230B1 (ko) |
CN (1) | CN102415176B (ko) |
BR (1) | BRPI1015265A2 (ko) |
MX (1) | MX2011010194A (ko) |
RU (2) | RU2532531C2 (ko) |
WO (1) | WO2010126711A1 (ko) |
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