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公开(公告)号:EP2143054A2
公开(公告)日:2010-01-13
申请号:EP08743695.2
申请日:2008-03-05
发明人: JULIAN, David Jonathan , LEE, Chong, U. , MOALLEMI, Kamran , AGRAWAL, Avneesh , JAIME, Manuel, E. , DOUGLAS, Robert Keith , XIAO, Lu , ROSE, Gregory Gordon
IPC分类号: G06Q30/00
摘要: Various operations may be performed based on a distance-related function associated with two or more devices. For example, an association procedure for two or more devices may be based on one or more determined distances. Similarly, presence management may be based on one or more determined distances. A distance-related function may take various form including, for example, a distance between devices, two or more distances between devices, a rate of change in a relative distance between devices, relative acceleration between devices, or some combination of two or more of the these distance-related functions.
摘要翻译: 可以基于与两个或更多个设备相关联的距离相关功能来执行各种操作。 例如,两个或多个设备的关联过程可以基于一个或多个确定的距离。 类似地,存在管理可以基于一个或多个确定的距离。 距离相关功能可以采取各种形式,包括例如设备之间的距离,设备之间的两个或更多个距离,设备之间的相对距离的变化率,设备之间的相对加速度,或两个或更多个 这些距离相关功能。
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公开(公告)号:EP2294690A1
公开(公告)日:2011-03-16
申请号:EP08755181.8
申请日:2008-05-08
发明人: LEE, Chong, U. , EKBAL, Amal , JULIAN, David, Jonathan , SHI, Jun
IPC分类号: H03G3/20
CPC分类号: H03G3/3078
摘要: An apparatus and method for performing automatic gain control in a receiver are disclosed. The apparatus may include an amplifier, and the gain control may be based on an output from the amplifier during a time period in which a target signal is not present at the output of the amplifier.
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公开(公告)号:EP2016738B1
公开(公告)日:2014-10-22
申请号:EP07760854.5
申请日:2007-04-18
发明人: JACOBS, Paul, E. , LEE, Chong, U. , JULIAN, David, Jonathan , MOALLEMI, Kamran , JAIME, Manuel, E.
CPC分类号: H03F3/217 , H04L67/10 , H04M1/7253 , H04M2250/12 , H04W88/02
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公开(公告)号:EP0931417B1
公开(公告)日:2005-12-07
申请号:EP97910970.9
申请日:1997-10-09
发明人: PIAN, Donald, T. , LEE, Chong, U.
IPC分类号: H04N7/30
CPC分类号: H04N19/152 , H04N19/115 , H04N19/126 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/176 , H04N19/186 , H04N19/60 , H04N19/61
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公开(公告)号:EP0588932B1
公开(公告)日:2001-11-14
申请号:EP92913505.1
申请日:1992-06-03
发明人: JACOBS, Paul, E. , GARDNER, William, R. , LEE, Chong, U. , GILHOUSEN, Klein, S. , LAM, S., Katherine , TSAI, Ming-Chang
CPC分类号: H04L1/0057 , G10L19/005 , G10L19/012 , G10L19/12 , G10L19/22 , G10L19/24 , G10L25/78 , G10L2025/786 , H04B1/66 , H04J3/1688 , H04L1/0014 , H04L1/0017 , H04L1/0041 , H04L1/0046
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公开(公告)号:EP0919098A2
公开(公告)日:1999-06-02
申请号:EP98931292.0
申请日:1998-06-16
CPC分类号: H03M13/2707 , H03M13/27 , H03M13/2936 , H03M13/31 , H04L1/0057 , H04L1/0059 , H04L1/0065 , H04L1/0071 , H04L27/2626 , H04L27/2649 , H04N21/2383 , H04N21/4382
摘要: In an orthogonal frequency division multiplexing (OFDM) system (10) which uses an outer Reed-Solomon encoder and interleaver (24) and an inner convolutional encoder (26), after the inner convolutional encoding the data bits are interleaved by an inner interleaver (28), and then grouped into symbols, each symbol having 'm' bits. After grouping, the symbols are mapped to a complex plane using quadrature amplitude modulation (QAM). Thus, bits, not symbols, are interleaved by the inner interleaver (28). A receiver (12) performs a soft decision regarding the value of each bit in each complex QAM symbol received.
摘要翻译: 在使用外部Reed-Solomon编码器和交织器(24)和内部卷积编码器(26)的正交频分复用(OFDM)系统(10)中,在内部卷积编码之后,数据比特被内部交织器 28),然后分组为符号,每个符号具有'm'个比特。 在分组之后,使用正交幅度调制(QAM)将符号映射到复平面。 因此,内部交织器(28)对位而不是符号进行交织。 接收器(12)对接收到的每个复合QAM符号中的每个比特的值执行软判决。
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公开(公告)号:EP2016738A1
公开(公告)日:2009-01-21
申请号:EP07760854.5
申请日:2007-04-18
发明人: JACOBS, Paul, E. , LEE, Chong, U. , JULIAN, David, Jonathan , MOALLEMI, Kamran , JAIME, Manuel, E.
IPC分类号: H04L29/06
CPC分类号: H03F3/217 , H04L67/10 , H04M1/7253 , H04M2250/12 , H04W88/02
摘要: Processing may be performed by a first device (104) on behalf of a second device (102) to offload processing from the second device. In some aspects a device from which processing has been offloaded may be advantageously adapted to consume less power, have a smaller size, and have less complexity. Offloaded processing may be employed to enable a first device to process data for transmission and then send the data to another device for processing. Offloaded processing may be employed to enable a first device to process data on behalf of a second device and then send the processed data to the second device. In some aspects the data may be waveform encoded for wireless transmission between the devices. Offloaded processing may be implemented in a static manner or in a dynamic manner.
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公开(公告)号:EP1989913A2
公开(公告)日:2008-11-12
申请号:EP07757837.5
申请日:2007-03-02
CPC分类号: G01S5/06 , G01S5/0081 , G01S5/0221 , G01S5/0226 , G01S5/0289 , G01S5/14 , G01S13/74 , G01S13/876 , G01S19/46 , G01S2205/008 , H04W64/00 , H04W84/18
摘要: For position determination with peer-to-peer communication, a target terminal (120a) broadcasts a request for assistance in determining its position (1). At least one ranging terminal (120b, 120c, 12On) receives the request. Each ranging terminal (120b, 120c, 12On) sends a response with a time of arrival (TOA) measurement for the request and the position of the ranging terminal (3). For two-way peer-to-peer, the target terminal receives at least one response from the at least one ranging terminal, obtains a TOA measurement for each response, estimates the distance to each ranging terminal based on the TOA measurement for the request and/or the TOA measurement for the response, and computes a position estimate for itself based on the estimated distance and the position for each ranging terminal (4). For one-way peer-to-peer, a network entity receives at least one response from the at least one ranging terminal, computes a position estimate for the target terminal, and sends the position estimate to the target terminal.
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公开(公告)号:EP0931417A1
公开(公告)日:1999-07-28
申请号:EP97910970.0
申请日:1997-10-09
发明人: PIAN, Donald, T. , LEE, Chong, U.
CPC分类号: H04N19/152 , H04N19/115 , H04N19/126 , H04N19/146 , H04N19/149 , H04N19/15 , H04N19/176 , H04N19/186 , H04N19/60 , H04N19/61
摘要: A system and method for adaptively controlling the encoded data rate in a data compression system. The system and method sets up alternative encoded bit streams for each segment of data and selects the alternative that would produce the bit rate closest to a predetermined target bit rate for transmission. Each segment of the video input is quantized by a set of quantizers (20a-20c) to produce a plurality of quantized segments. Each quantized segment is variable rate encoded by a variable-length encoder (22a-22c) based on a quantization index to produce an alternative encoded bit stream. A set of rate measurers (24a-24c) measure the data rate that would be required to transmit each alternative encoded bit stream, and comparator (30) compares the measured rates with a predetermined target bit rate. The encoded bit stream having a rate closest to the target bit rate is provided to a rate buffer (34) in preparation for transmission. Having processed one segment of data, the system and method then updates its parameters for processing the next segment of data. A target bit rate update element (38) determines an updated target bit rate based on the rate buffer status. In addition, a quantization index update element (36) generates new quantization indices for processing the next segment of data.
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公开(公告)号:EP0517834B1
公开(公告)日:1998-09-16
申请号:EP91906206.7
申请日:1991-02-26
发明人: LEE, Chong, U.
CPC分类号: H04N19/00 , G06T9/40 , H04N19/119 , H04N19/129 , H04N19/13 , H04N19/146 , H04N19/15 , H04N19/154 , H04N19/172 , H04N19/176 , H04N19/18 , H04N19/60 , H04N19/91 , H04N19/96 , H04N19/98
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