[미국특허]
Method and apparatus for maximizing standby time in remote stations configured to receive broadcast databurst messages
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04Q-007/38
H04B-017/07
출원번호
US-0503031
(2000-02-11)
발명자
/ 주소
Sarkar, Sandip
Tiedemann, Jr., Edward G.
Wang, Jun
출원인 / 주소
Qualcomm Incorporated
대리인 / 주소
Wadsworth, Philip
인용정보
피인용 횟수 :
25인용 특허 :
6
초록▼
A wireless telecommunications system includes a base station, a plurality of remote stations, a first channel for general page messages containing paging information and broadcast databurst message references, and an auxiliary channel for broadcast databurst notification indicators for the purpose o
A wireless telecommunications system includes a base station, a plurality of remote stations, a first channel for general page messages containing paging information and broadcast databurst message references, and an auxiliary channel for broadcast databurst notification indicators for the purpose of increasing standby time in remote stations configured to receive broadcast databurst messages.
대표청구항▼
A wireless telecommunications system includes a base station, a plurality of remote stations, a first channel for general page messages containing paging information and broadcast databurst message references, and an auxiliary channel for broadcast databurst notification indicators for the purpose o
A wireless telecommunications system includes a base station, a plurality of remote stations, a first channel for general page messages containing paging information and broadcast databurst message references, and an auxiliary channel for broadcast databurst notification indicators for the purpose of increasing standby time in remote stations configured to receive broadcast databurst messages. y.18. A method of transmitting information over a wireless interface comprising the steps of: obtaining a first block of data;deriving therefrom a plurality of substantially redundant second blocks, each of the second blocks derived at least in part using a different error correction code;spreading each of the second blocks, each with a distinct spreading sequence;deriving therefrom one or more signal representative of each of the second blocks;transmitting each of the one or more signals over a wireless interface;receiving each of the one or more signals as transmitted over the wireless interface;deriving therefrom estimates of one or more of the second blocks; andestimating the first block from one or more of the estimated second blocks.19. The method of claim 18 further comprising separately modulating and transmitting over the wireless interface signals representing each of the second blocks.20. The method of claim 18 further comprising combining signals representing each of the second blocks, and then modulating and transmitting over the wireless interface the combined signal.21. The method of claim 18 wherein one or more of the second blocks comprise all or a portion of the first block.22. The method of claim 18 wherein one or more of the second blocks is encoded from the first block.23. The method of claim 22 wherein one or more of the second blocks comprise parity bits encoded from the first block.24. The method of claim 22 wherein one or more of the second blocks is encoded using a forward error correction (FEC) coder.25. The method of claim 18 wherein one or more of the second blocks is appended with error detection bits.26. The method of claim 25 wherein the error detection bits are CRC bits.27. The method of claim 23 wherein two or more of the second blocks are encoded using different FEC coders.28. The method of claim 27 wherein one of the FEC coders is a block coder, and the other of which is a convolutional encoder.29. The method of claim 18 wherein the step of estimating the first block is performed responsive to an indicator of physical channel quality.30. A method of transmitting information over a wireless interface comprising the following steps: obtaining a first block of data;deriving therefrom a plurality of substantially redundant second blocks, each of the second blocks derived at least in part using a different error correction code;spreading each of the second blocks, each with a distinct spreading sequence;deriving therefrom one or more signals representative of each of the second blocks; andtransmitting each of the one or more signals over a wireless interface.31. The method of claim 30 further comprising separately modulating and transmitting signals representative of each of the spread second blocks over the wireless interface.32. The method of claim 30 further comprising combining signals representative of each of the spread second blocks, and then modulating and transmitting the same over the wireless interface.33. A method of receiving information over a wireless interface comprising the following steps: receiving over a wireless interface one or more signals representative of a plurality of substantially redundant second blocks as transmitted over the wireless interface, each of the second blocks associated with a different error correction code;deriving therefrom estimates of one or more of the second blocks; and estimating a first block from one or more of the estimated second blocks.34. A direct sequence spread spectrum wireless communication system comprising: transmitting means for (a) obtaining a first block of data, (b) deriving therefrom a plurality of substantially redundant second blocks, each of the second bl ocks derived at least in part using a different error correction code, (c) spreading each of the second blocks, each with a distinct spreading sequence, (d) deriving therefrom one or more signals representative of each of the second blocks, and (e) transmitting each of the one or more signals over a wireless interface; andreceiving means for (a) receiving each of the one or more signals as transmitted over the wireless interface, (b) deriving therefrom estimates of one or more of the second blocks, and (c) estimating the first block from one or more of the estimated second blocks.35. A transmitter comprising transmitting means for (a) obtaining a first block of data, (b) deriving therefrom a plurality of substantially redundant second blocks, each of the second blocks derived at least in part using a different error correction code; (c) spreading each of the second blocks, each with a distinct spreading sequence, (d) deriving therefrom one or more signals representative of each of the second blocks, and (e) transmitting each of the one or more signals over a wireless interface. 36. A method of transmitting information over a wireless interface comprising the steps of: a step for obtaining a first block of data;a step for deriving therefrom a plurality of substantially redundant second blocks, each of the second blocks derived at least in part using a different error correction code;a step for spreading each of the second blocks, each with a distinct spreading sequence;a step for deriving therefrom one or more signal representative of each of the second blocks;a step for transmitting each of the one or more signals over a wireless interface;a step for receiving each of the one or more signals as transmitted over the wireless interface;a step for deriving therefrom estimates of one or more of the second blocks; anda step for estimating the first block from one or more of the estimated second blocks.37. A method of transmitting information over a wireless interface comprising the following steps: a step for obtaining a first block of data;a step for deriving therefrom a plurality of substantially redundant second blocks, each of the second blocks derived at least in part using different error correction codes;a step for spreading each of the second blocks, each with a distinct spreading sequence;a step for deriving therefrom one or more signals representative of each of the second blocks; anda step for transmitting each of the one or more signals over a wireless interface.
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Grilli, Francesco; Vayanos, Alkinoos Hector; Casaccia, Lorenzo, Methods for seamless delivery of broadcast and multicast content across cell borders and/or between different transmission schemes and related apparatus.
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