KR101124908B1 - 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 - Google Patents
이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 Download PDFInfo
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- KR101124908B1 KR101124908B1 KR1020107026386A KR20107026386A KR101124908B1 KR 101124908 B1 KR101124908 B1 KR 101124908B1 KR 1020107026386 A KR1020107026386 A KR 1020107026386A KR 20107026386 A KR20107026386 A KR 20107026386A KR 101124908 B1 KR101124908 B1 KR 101124908B1
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
- H04L5/0017—Time-frequency-code in which a distinct code is applied, as a temporal sequence, to each frequency
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
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- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
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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
- H04L5/0037—Inter-user or inter-terminal allocation
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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- H—ELECTRICITY
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- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
- H04L5/0046—Determination of the number of bits transmitted on different sub-channels
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Abstract
Description
도 1은 본 발명의 일 실시예에 의해 제공된 OFDMA 시스템의 시스템도이다.
도 2는 본 발명의 일 실시예에 따른 공통 무선 채널 내의 시간-주파수 자원 할당의 예를 도시한다.
도 3은 본 발명의 일 실시예에 따른 모드-1 업링크 신호를 생성하기 위해 사용될 수 있는 전송 신호 체인에 대한 블록도이다.
도 4는 단일 사용자의 모드-1 전송들에 대한 시간-주파수 도표의 예이다.
도 5는 다수 사용자들의 모드-1 전송들에 대한 시간-주파수 도표의 예이다.
도 6a 및 6b는 다수 사용자들의 모드-1 전송들에 대한 시간-주파수 도표의 또 다른 예이다.
도 7은 다수 사용자들의 모드-1 전송들이 STC 서브블록들보다는 직교 월시 코드들을 이용하여 분리됨과 함께, 주파수 차원에서 확산이 행해지는 예이다.
도 8은 다수 사용자들의 모드-1 전송들이 STC 서브블록들보다는 직교 월시 코드들을 이용하여 분리됨과 함께, 시간 차원에서 확산이 행해지는 예이다.
도 9는 본 발명의 일 실시예에 따라서 RACH 슬롯들이 어떻게 정의되는지에 대한 예이다.
도 10a는 모드-1 주파수 공간에서 결합된 RACH 및 모드-1 채널들 양쪽 모두를 도시하는 송신기의 블록도이다.
도 10b는 도 10a의 송신기 설계와 유사하지만 서브블록들에 걸친 인코딩이 사용되는 송신기 설계의 다른 예이다.
도 11은 조인트 RACH 검출 및 업링크 동기화의 방법에 대한 흐름도이다.
도 12는 모드-2 동작의 예에 대한 OFDM 서브캐리어들의 할당을 도시하는 시간-주파수 도표의 예이다.
도 13은 모드-2 동작을 위한 송신기 예의 블록도이다.
도 14는 업링크 레이트 제어의 방법 예에 대한 흐름도이다.
도 15a는 모드-1 및 모드-2 신호들이 어떻게 결합되는지에 대한 예의 블록도이다.
도 15b는 모드-1 및 모드-2 신호들이 어떻게 결합되는지에 대한 주파수-시간에서의 예를 도시한다.
Claims (2)
- 각각의 무선 단말에 각각의 월시 코드가 할당된 복수의 무선 단말을 포함하고, 무선 단말에 의해 생성된 각각의 사용자 데이터 요소(data element)가, 상기 무선 단말에 할당된 각각의 월시 코드로 다수의 OFDM(Orthogonal Frequency Division Multiplexing) 심벌들에 걸쳐서 시간적으로 확산된 각각의 서브캐리어 상에서 송신되고, 다수의 무선 단말들은 각각의 데이터 요소를 동일한 서브캐리어 상에서 동시에 송신하는 시스템.
- 복수의 무선 단말들을 포함하는 시스템으로서,
주어진 무선 단말에 대해 상기 무선 단말의 각각의 채널마다 적어도 하나의 월시 코드가 할당되고, 임의의 무선 단말의 각각의 사용자 데이터 요소가, 상기 무선 단말에 대한 각각의 채널을 위해 할당된 상기 적어도 하나의 월시 코드로 다수의 OFDM(Orthogonal Frequency Division Mutiplexing) 서브캐리어들에 걸쳐서 주파수적으로 확산된 OFDM 심벌 서브대역 상에서 송신되고, 상기 무선 단말들 중 다수의 단말들은 동일한 OFDM 심벌 서브대역 상에서 동시에 송신하는 시스템.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39162402P | 2002-06-27 | 2002-06-27 | |
US60/391,624 | 2002-06-27 | ||
US10/406,207 US7551546B2 (en) | 2002-06-27 | 2003-04-04 | Dual-mode shared OFDM methods/transmitters, receivers and systems |
US10/406,207 | 2003-04-04 | ||
PCT/CA2003/000870 WO2004004269A1 (en) | 2002-06-27 | 2003-06-16 | Dual-mode shared ofdm methods/transmitters, receivers and systems |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047021144A Division KR101140591B1 (ko) | 2002-06-27 | 2003-06-16 | 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20110002105A KR20110002105A (ko) | 2011-01-06 |
KR101124908B1 true KR101124908B1 (ko) | 2012-03-27 |
Family
ID=29782623
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047021144A Expired - Lifetime KR101140591B1 (ko) | 2002-06-27 | 2003-06-16 | 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 |
KR1020107026386A Expired - Lifetime KR101124908B1 (ko) | 2002-06-27 | 2003-06-16 | 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 |
KR1020107026385A Expired - Lifetime KR101140513B1 (ko) | 2002-06-27 | 2003-06-16 | 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020047021144A Expired - Lifetime KR101140591B1 (ko) | 2002-06-27 | 2003-06-16 | 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020107026385A Expired - Lifetime KR101140513B1 (ko) | 2002-06-27 | 2003-06-16 | 이중 모드 공유 ofdm 방법, 송신기, 수신기 및 시스템 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7551546B2 (ko) |
EP (1) | EP1520385B1 (ko) |
KR (3) | KR101140591B1 (ko) |
CN (3) | CN102647266B (ko) |
AU (1) | AU2003232555A1 (ko) |
DE (1) | DE60318851T2 (ko) |
WO (1) | WO2004004269A1 (ko) |
Families Citing this family (389)
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KR101140591B1 (ko) | 2012-05-02 |
AU2003232555A1 (en) | 2004-01-19 |
EP1520385A1 (en) | 2005-04-06 |
CN102647266A (zh) | 2012-08-22 |
CN101951359A (zh) | 2011-01-19 |
HK1175046A1 (zh) | 2013-06-21 |
KR20050013626A (ko) | 2005-02-04 |
DE60318851D1 (de) | 2008-03-13 |
KR20110002104A (ko) | 2011-01-06 |
HK1112354A1 (en) | 2008-08-29 |
WO2004004269A1 (en) | 2004-01-08 |
KR101140513B1 (ko) | 2012-04-30 |
CN101951359B (zh) | 2015-04-08 |
CN1663213B (zh) | 2010-12-08 |
US7551546B2 (en) | 2009-06-23 |
US20040001429A1 (en) | 2004-01-01 |
DE60318851T2 (de) | 2009-01-22 |
CN1663213A (zh) | 2005-08-31 |
CN102647266B (zh) | 2015-07-22 |
KR20110002105A (ko) | 2011-01-06 |
EP1520385B1 (en) | 2008-01-23 |
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