KR100970647B1 - 회로 스위칭 트래픽을 위한 결합 ofdm 및 mc-cdma와 빠른 셀 스위칭 - Google Patents
회로 스위칭 트래픽을 위한 결합 ofdm 및 mc-cdma와 빠른 셀 스위칭 Download PDFInfo
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Abstract
Description
Claims (29)
- 신호 전송을 위해 이산 톤(discrete tones)을 사용하는 다중 접속 이동 통신 시스템에서 다수의 사용자에게 다수의 다중 접속 기법을 제공하는 방법에 있어서,상기 다수의 다중 접속 기법을 정의(defining)하는 단계;상기 다수의 사용자에 대한 통신 요건을 결정하는 단계;상기 다수의 사용자 각각에게 상기 다수의 정의된 다중 접속 기법 중 하나를 할당하는 단계;상기 이산 톤을 시간-주파수 영역에서 상기 다수의 사용자에게 파티셔닝(partitioning)하는 단계; 및상기 다수의 사용자 중 적어도 하나의 사용자에게 다수의 서브 패킷을 가지는 제1 데이터 패킷을 전송하고, 상기 다수의 사용자 중 적어도 하나의 제2 사용자에게 다수의 서브 패킷을 포함하는 제2 데이터 패킷을 전송하는 단계를 포함하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,상기 다수의 다중 접속 기법이 OFDM을 포함하는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,상기 다수의 다중 접속 기법이 MC-CDMA를 포함하는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제3항에 있어서,MC-CDMA에 할당된 상기 다수의 사용자의 수에 따라 확산 코드 길이를 다르게 하는 것을 추가로 포함하는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,상기 파티셔닝은 상기 다수의 사용자의 수, 상기 다수의 사용자 각각의 전력 요건, 상기 다수의 사용자 각각에 대한 음성 통화율 요건 및 상기 이동 통신 시스템의 안테나 수 중 적어도 하나에 따라 수행되는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,상기 파티셔닝은 다수의 기지국들 및 셀 섹터들 중 적어도 하나에서 동기된 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,상기 파티셔닝은 시간-와이즈(time-wise) 파티셔닝, 주파수-와이즈(frequency-wise) 파티셔닝 또는 이들의 임의의 조합인 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,상기 파티셔닝에 관한 지시정보를 주기적으로 또는 상기 파티셔닝이 변경된 경우에 방송 메시지를 통해 상기 다수의 사용자에게 제공하는 것을 추가로 포함하는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제1항에 있어서,ARQ(Automatic Repeat and Request)가 지원되는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
- 제9항에 있어서,상기 다수의 사용자 중 적어도 하나의 사용자에 대한 제1 데이터 패킷의 첫 번째 서브 패킷 전송을, 상기 다수의 사용자 중 적어도 하나의 제2 사용자에 대한 제2 데이터 패킷의 첫 번째 서브 패킷에 대해 상대적으로 지연시키는 것을 특징으로 하는, 다중 접속 기법 제공 방법.
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Applications Claiming Priority (4)
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US78541806P | 2006-03-24 | 2006-03-24 | |
US60/785,418 | 2006-03-24 |
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KR20080098628A KR20080098628A (ko) | 2008-11-11 |
KR100970647B1 true KR100970647B1 (ko) | 2010-07-15 |
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KR1020087021092A Expired - Fee Related KR100970647B1 (ko) | 2006-02-06 | 2007-02-06 | 회로 스위칭 트래픽을 위한 결합 ofdm 및 mc-cdma와 빠른 셀 스위칭 |
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EP (1) | EP1987695B1 (ko) |
JP (1) | JP4942765B2 (ko) |
KR (1) | KR100970647B1 (ko) |
CN (1) | CN101636958B (ko) |
TW (1) | TWI427950B (ko) |
WO (1) | WO2007091816A2 (ko) |
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- 2007-02-06 EP EP07708774.0A patent/EP1987695B1/en not_active Not-in-force
- 2007-02-06 KR KR1020087021092A patent/KR100970647B1/ko not_active Expired - Fee Related
- 2007-02-06 TW TW096104326A patent/TWI427950B/zh not_active IP Right Cessation
- 2007-02-06 US US11/671,731 patent/US8559377B2/en active Active
- 2007-02-06 WO PCT/KR2007/000624 patent/WO2007091816A2/en active Application Filing
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TW200742316A (en) | 2007-11-01 |
US8559377B2 (en) | 2013-10-15 |
EP1987695B1 (en) | 2017-03-29 |
TWI427950B (zh) | 2014-02-21 |
US20070201438A1 (en) | 2007-08-30 |
EP1987695A2 (en) | 2008-11-05 |
EP1987695A4 (en) | 2013-03-06 |
KR20080098628A (ko) | 2008-11-11 |
JP4942765B2 (ja) | 2012-05-30 |
WO2007091816A3 (en) | 2009-09-24 |
CN101636958A (zh) | 2010-01-27 |
JP2009543379A (ja) | 2009-12-03 |
CN101636958B (zh) | 2014-03-19 |
WO2007091816A2 (en) | 2007-08-16 |
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