KR100858647B1 - 고속 환경에서 무선 통신을 위한 방법 및 장치 - Google Patents
고속 환경에서 무선 통신을 위한 방법 및 장치 Download PDFInfo
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- KR100858647B1 KR100858647B1 KR1020057005110A KR20057005110A KR100858647B1 KR 100858647 B1 KR100858647 B1 KR 100858647B1 KR 1020057005110 A KR1020057005110 A KR 1020057005110A KR 20057005110 A KR20057005110 A KR 20057005110A KR 100858647 B1 KR100858647 B1 KR 100858647B1
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- 238000004891 communication Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012937 correction Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 18
- 230000004044 response Effects 0.000 description 18
- 230000006870 function Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000013442 quality metrics Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00835—Determination of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/00837—Determination of triggering parameters for hand-off
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70702—Intercell-related aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
- H04W36/324—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by mobility data, e.g. speed data
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (23)
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- 고속 환경에서 무선 통신 서비스들을 제공하는 방법에 있어서:적어도 부분적으로, 리피터의 이동에 기인한 주파수 시프트(frequency shift)를 결정하는 단계;제 1 주파수 오프셋을 상기 리피터에 의해 수신된 제 1 신호에 적용하는 단계;제 2 주파수 오프셋을 상기 리피터에 의해 송신된 제 2 신호에 적용하는 단계를 포함하고;상기 제 1 주파수 오프셋 및 상기 제 2 주파수 오프셋의 각 주파수 오프셋은 상기 결정된 주파수 시프트에 기초하는, 무선 통신 서비스 제공 방법.
- 제 9 항에 있어서, 상기 제 1 주파수 오프셋 적용 단계는:제 1 신호를 무선 기반시설로부터 수신하는 단계;제 1 주파수 오프셋 신호를 생성하기 위해 제 1 주파수 오프셋을 상기 제 1 신호에 적용하는 단계; 및상기 제 1 주파수 오프셋 신호를 상기 리피터와 동일 장소에 있는 이동국에 송신하는 단계를 포함하는, 무선 통신 서비스 제공 방법.
- 제 9 항에 있어서, 상기 제 2 주파수 오프셋 적용 단계는:상기 리피터와 동일 장소에 있는 무선 통신 디바이스로부터 제 2 신호를 수신하는 단계;제 2 주파수 오프셋 신호를 생성하기 위해 제 2 주파수 오프셋을 상기 제 2 신호에 적용하는 단계; 및상기 제 2 주파수 오프셋 신호를 무선 기반시설에 송신하는 단계를 포함하는, 무선 통신 서비스 제공 방법.
- 고속 환경에서 동작할 수 있는 리피터에 있어서,상기 고속 환경에서 동작할 때, 적어도 부분적으로 상기 리피터의 이동에 기인한 주파수 시프트를 결정하고; 상기 고속 환경에서 동작할 때, 상기 리피터에 의해 수신된 제 1 신호에 제 1 주파수 오프셋을 적용하고; 상기 고속 환경에서 동작할 때, 상기 리피터에 의해 송신된 제 2 신호에 제 2 주파수 오프셋을 적용하는 프로세서를 포함하고, 상기 제 1 주파수 오프셋 및 상기 제 2 주파수 오프셋 각각은 상기 결정된 주파수 시프트에 기초하는, 리피터.
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US48979603P | 2003-07-24 | 2003-07-24 | |
US60/489,796 | 2003-07-24 | ||
US10/872,636 US7558575B2 (en) | 2003-07-24 | 2004-06-21 | Method and apparatus for wireless communication in a high velocity environment |
US10/872,636 | 2004-06-21 |
Related Child Applications (1)
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KR1020087012585A Division KR100912363B1 (ko) | 2003-07-24 | 2004-07-09 | 고속 환경에서 무선 통신을 위한 방법 및 장치 |
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KR20050059193A KR20050059193A (ko) | 2005-06-17 |
KR100858647B1 true KR100858647B1 (ko) | 2008-09-17 |
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KR1020057005110A KR100858647B1 (ko) | 2003-07-24 | 2004-07-09 | 고속 환경에서 무선 통신을 위한 방법 및 장치 |
KR1020087012585A KR100912363B1 (ko) | 2003-07-24 | 2004-07-09 | 고속 환경에서 무선 통신을 위한 방법 및 장치 |
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KR1020087012585A KR100912363B1 (ko) | 2003-07-24 | 2004-07-09 | 고속 환경에서 무선 통신을 위한 방법 및 장치 |
Country Status (5)
Country | Link |
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US (1) | US7558575B2 (ko) |
JP (1) | JP4180603B2 (ko) |
KR (2) | KR100858647B1 (ko) |
CA (1) | CA2500016C (ko) |
WO (1) | WO2005011176A2 (ko) |
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