[특허]Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel

Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04B-007/00 H04B-001/04
출원번호	UP-0499046 (2006-08-03)
등록번호	US-7706829 (2010-05-20)
발명자 / 주소	Lundby, Stein A. Razoumov, Leonid
대리인 / 주소	Hossain, S.
인용정보	피인용 횟수 : 0 인용 특허 : 48

초록 ▼

A method and apparatus for controlling transmit power levels of a plurality of different data streams transmitted from at least one base station to a mobile station in a mobile radio communication system is described. A stream of power control commands is formed at the mobile station in accordance with either the first or second received data stream. A power control signal is formed at the mobile station from the first stream of power control commands and transmitted to the base station.

대표청구항 ▼

What is claimed is: 1. A method for controlling transmit power level of at least two data streams received at a mobile station from one or more base stations, comprising: determining a first stream of power control commands for controlling transmit power level of a first of the at least two data streams; determining a second stream of power control commands for controlling transmit power level of a second of the at least two data streams; multiplexing at the mobile station the first and second streams of power control commands to form a multiplexed stream of power control commands. 2. The method as recited in claim 1 further comprising: transmitting the multiplexed stream of power control commands for controlling transmit power levels of the at least two data streams. 3. The method as recited in claim 1, wherein said multiplexing comprising: multiplexing the first stream of power control commands at a first bit rate and the second stream of power control commands at a second bit rate in the multiplexed stream of power control commands. 4. The method as recited in claim 1, further comprising: receiving at a receiving station the at least two data streams. 5. The method as recited in claim 4, wherein said determining the first stream of power control commands is based on a reception quality of said first of the at least two data streams. 6. The method as recited in claim 4, wherein said determining the second stream of power control commands is based on a reception quality of said second of the at least two data streams. 7. The method as recited in claim 1, further comprising: receiving the multiplexed stream of power control commands; de-multiplexing the first and second stream of power control commands from the received multiplexed streams. 8. The method as recited in claim 7, further comprising: controlling transmit power level of the first and second data streams in accordance with, respectively, the de-multiplexed first and second streams of the power control commands. 9. The method as recited in claim 1 wherein the at least two data streams are associated with transmissions from at least two different transmitting stations. 10. The method as recited in claim 1, wherein each power control command in the first and second streams of power control commands selectively targets the transmit power level of their respective data stream to be either increased, decreased, or held constant. 11. A method for controlling transmit power level of at least two data streams received at a mobile station from one or more base stations, comprising: receiving a multiplexed stream of power control commands; de-multiplexing at least a first and second streams of power control commands from the received multiplexed stream; controlling transmit power level of at least one of the first and second data streams, wherein said controlling is in accordance with a respective de-multiplexed first and second streams of the power control commands. 12. The method as recited in claim 11 wherein said de-multiplexing comprising: de-multiplexing the first stream of power control commands at a first bit rate and the second stream of power control commands at a second bit rate from the multiplexed stream of power control commands. 13. An apparatus for controlling power level of at least two data streams received at a mobile station from one or more base stations, comprising: a processor configured for determining a first stream of power control commands for controlling transmit power level of a first of the at least two data streams, determining a second stream of power control commands for controlling transmit power level of a second of the at least two data streams; a multiplexer for multiplexing at the mobile station the first and second streams of power control commands to form a multiplexed stream of power control commands. 14. The apparatus as recited in claim 13 further comprising: a transmitter for transmitting the multiplexed stream of power control commands for controlling transmit power levels of the at least two data streams. 15. The apparatus as recited in claim 13, wherein said multiplexer is configured for multiplexing the first stream of power control commands at a first bit rate and the second stream of power control commands at a second bit rate in the multiplexed stream of power control commands. 16. The apparatus as recited in claim 13, further comprising: a receiver for receiving the at least two data streams. 17. The apparatus as recited in claim 16, wherein said processor is configured for determining the first stream of power control commands based on a reception quality of said first of the at least two data streams. 18. The apparatus as recited in claim 16, wherein said processor is configured for determining the second stream of power control commands based on a reception quality of said second of the at least two data streams. 19. The apparatus as recited in claim 13 wherein the at least two data streams are associated with transmissions from at least two different transmitting stations. 20. An apparatus for controlling transmit power level of at least two data streams, comprising: a receiver for receiving a multiplexed stream of power control commands; a de-multiplexer for de-multiplexing at least a first and second streams of power control commands from the received multiplexed stream; a controller for controlling transmit power level of at least one of the first and second data streams in accordance with a respective de-multiplexed first and second streams of the power control commands. 21. The apparatus as recited in claim 20 wherein said de-multiplexer is configured for de-multiplexing the first stream of power control commands at a first bit rate and the second stream of power control commands at a second bit rate from the multiplexed stream of power control commands. 22. An apparatus for controlling power level of at least two data streams received at a mobile station from one or more base stations, comprising: means for determining a first stream of power control commands for controlling transmit power level of a first of the at least two data streams, determining a second stream of power control commands for controlling transmit power level of a second of the at least two data streams; means for multiplexing at the mobile station the first and second streams of power control commands to form a multiplexed stream of power control commands. 23. The apparatus as recited in claim 22 further comprising: means for transmitting the multiplexed stream of power control commands for controlling transmit power levels of the at least two data streams. 24. The apparatus as recited in claim 22, wherein said means for multiplexing is configured for multiplexing the first stream of power control commands at a first bit rate and the second stream of power control commands at a second bit rate in the multiplexed stream of power control commands. 25. The apparatus as recited in claim 22, further comprising: means for receiving the at least two data streams. 26. The apparatus as recited in claim 25. wherein said means for determining is configured for determining the first stream of power control commands based on a reception quality of said first of the at least two data streams. 27. The apparatus as recited in claim 25, wherein said means for determining is configured for determining the second stream of power control commands based on a reception quality of said second of the at least two data streams. 28. The apparatus as recited in claim 22 wherein the at least two data streams are associated with transmissions from at least two different transmitting stations. 29. An apparatus for controlling transmit power level of at least two data streams, comprising: means for receiving a multiplexed stream of power control commands; means for de-multiplexing at least a first and second streams of power control commands from the received multiplexed stream; means for controlling transmit power level of at least one of the first and second data streams in accordance with a respective de-multiplexed first and second streams of the power control commands. 30. The apparatus as recited in claim 29 wherein said means for de-multiplexing is configured for de-multiplexing the first stream of power control commands at a first bit rate and the second stream of power control commands at a second bit rate from the multiplexed stream of power control commands.

이 특허에 인용된 특허 (48)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel 원문보기

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연합인증

Forward link power control of multiple data streams transmitted to a mobile station using a common power control channel 원문보기

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