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1.发明授权Acquisition of an unevenly spaced synchronization channel in a wireless communication system 有权在无线通信系统中获取不均匀间隔的同步信道公开(公告)号：US06834046B1
公开(公告)日：2004-12-21
申请号：US09679657
申请日：2000-10-04
IPC分类号： H04B7216
CPC分类号： H04B1/7083
摘要： A method (70) of operating a wireless receiver (UST). The method receives a wireless communicated signal, wherein the signal comprises asymmetrically spaced synchronization channel components. The method also defines (72) a set of signals from the communicated signal, wherein the set spans a number of equal duration time slots and comprises at least a first synchronization channel component and a second synchronization channel component. The method also forms (76) a first signal combination by combining a first portion of the set of signals with a second portion of the set of signals, and it forms (78) a second signal combination by combining a third portion of the set of signals with a fourth portion of the set of signals. Finally, the method detects (80, 82, 84) a location of the first synchronization channel component and a location of the second synchronization channel component in response to at least one of the first and second signal combinations.
摘要翻译： 一种操作无线接收机（UST）的方法（70）。 该方法接收无线通信信号，其中该信号包括不对称间隔的同步信道分量。 该方法还定义（72）来自所传送的信号的一组信号，其中该组跨越多个相等的持续时间时隙，并且包括至少第一同步信道分量和第二同步信道分量。 该方法还通过将该组信号的第一部分与该组信号的第二部分组合来形成（76）第一信号组合，并且它通过组合第二信号组合的第三部分来形成（78）第二信号组合 信号与该组信号的第四部分。 最后，响应于第一和第二信号组合中的至少一个，该方法检测（80,82,84）第一同步信道分量的位置和第二同步信道分量的位置。
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2.发明授权Wireless communications system with combining of multiple paths selected from correlation to the primary synchronization channel 有权无线通信系统，具有从与主同步信道相关选择的多个路径的组合公开(公告)号：US06829290B1
公开(公告)日：2004-12-07
申请号：US09669394
申请日：2000-09-26
IPC分类号： H04B169
CPC分类号： H04B1/7115 , H04B1/709 , H04B1/7117 , H04B2201/70707
摘要： A wireless receiver (UST). The receiver comprises at least one antenna (ATU) for receiving a plurality of frames (FR) in a form of a plurality of paths. Each of the plurality of frames comprises a plurality of time slots (SLN), and each of the plurality of time slots comprises a plurality of symbols. Further, each of the plurality of paths has a corresponding sample position, wherein the plurality of symbols comprise a primary synchronization code symbol (PSC). The receiver further comprises circuitry (52) for correlating a primary synchronization code across a group of the plurality of symbols, and circuitry for identifying a plurality of path positions within the group. Each of the plurality of path positions corresponds to a respective one of a plurality of largest-amplitude paths represented within the group as detected in response to the circuitry for correlating. Finally, the receiver comprises circuitry for combining (54, 58) the plurality of largest-amplitude paths in response to identification of those paths by the circuitry for identifying.
摘要翻译： 无线接收器（UST）。 接收机包括用于接收多个路径形式的多个帧（FR）的至少一个天线（ATU）。 多个帧中的每一个包括多个时隙（SLN），并且多个时隙中的每一个包括多个符号。 此外，多个路径中的每一个具有对应的采样位置，其中多个符号包括主同步码符号（PSC）。 接收机还包括用于将多个符号组中的主同步码相互关联的电路（52）以及用于识别组内的多个路径位置的电路。 多个路径位置中的每一个对应于响应于用于相关的电路检测到的在组内表示的多个最大幅度路径中的相应一个路径位置。 最后，接收机包括用于响应于用于识别的电路的那些路径的识别来组合（54,58）多个最大幅度路径的电路。
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公开(公告)号：US06166622A
公开(公告)日：2000-12-26
申请号：US181109
申请日：1998-10-28
摘要： A communication circuit is designed with a processing circuit (11) coupled to receive a plurality of first control signals (402, 408) from a source external to the communication circuit. The processing circuit produces a second control signal (432, 434) and a second power control (422, 436) signal during each of a plurality of predetermined time periods. The second power control signal is determined by a corresponding first control signal from said plurality of first control signals. The second power control signal is produced proximate the second control signal. A serial circuit is coupled to receive the second control signal and the second power control signal during a respective predetermined time period. The serial circuit produces the second control signal proximate the second power control signal.
摘要翻译： 通信电路被设计成具有耦合以从通信电路外部的源接收多个第一控制信号（402,408）的处理电路（11）。 处理电路在多个预定时间段的每一个期间产生第二控制信号（432,434）和第二功率控制（422,436）信号。 第二功率控制信号由来自所述多个第一控制信号的对应的第一控制信号确定。 在第二控制信号附近产生第二功率控制信号。 串联电路被耦合以在相应的预定时间段期间接收第二控制信号和第二功率控制信号。 串行电路产生靠近第二功率控制信号的第二控制信号。
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4.发明授权公开(公告)号：US06856610B2
公开(公告)日：2005-02-15
申请号：US09792111
申请日：2001-02-23
IPC分类号： H04B1/711 , H04B1/7117 , H04B7/216
CPC分类号： H04B1/711 , H04B1/7117
摘要： A wireless communication network (10). The network comprises a wireless receiver (14). The receiver comprises at least one antenna (AT14) for receiving a plurality of frames in a form of a plurality of paths. Each of the plurality of frames is modulated by a plurality of chips, and chip in the plurality of chips has a like chip duration. The receiver further comprises a plurality of path resources (F1, F2), and this plurality of path resources comprises a first path resource (F1) configured to receive a first plurality of symbols from a first path in the plurality of paths and a second path resource (F2) configured to receive a second plurality of symbols from a second path in the plurality of paths. The plurality of path resources also comprises circuitry for sampling the second path at a time less than the chip duration from a time when the circuitry for sampling samples the first path. Still further, the plurality of path resources comprise circuitry (442, 461), responsive to the circuitry for sampling, for establishing a first channel estimate for the first path in response to the first path and the second path. Lastly, the plurality of path resources comprises circuitry (441, 462), responsive to the circuitry for sampling, for establishing a second channel estimate for the second path in response to the first path and the second path.
摘要翻译： 无线通信网络（10）。 该网络包括无线接收器（14）。 接收机包括用于接收多个路径形式的多个帧的至少一个天线（AT14）。 多个帧中的每一个由多个码片调制，并且多个码片中的码片具有相似的码片持续时间。 所述接收机还包括多个路径资源（F1，F2），并且所述多个路径资源包括被配置为从所述多个路径中的第一路径接收第一多个符号的第一路径资源（F1）和第二路径 资源（F2），被配置为从所述多个路径中的第二路径接收第二多个符号。 多个路径资源还包括用于在从用于采样的电路采样第一路径的时间起的时间小于芯片持续时间的时间对第二路径进行采样的电路。 此外，多个路径资源包括响应于用于采样的电路的电路（442,461），用于响应于第一路径和第二路径建立用于第一路径的第一信道估计。 最后，多个路径资源包括响应于用于采样的电路的响应于第一路径和第二路径建立第二路径的第二信道估计的电路（441,462）。
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公开(公告)号：US06331975B1
公开(公告)日：2001-12-18
申请号：US09181510
申请日：1998-10-28
IPC分类号： H04J1100
摘要： A communication circuit is designed with a processing circuit (11) coupled to receive a plurality of first control signals (40-45) and a second control signal (46) from a source external to the communication circuit during a predetermined time (49). The plurality of first control signals are equally spaced apart in time. The second control signal is proximate one of the first control signals (40). The processing circuit produces a power control signal in response to at least two of the plurality of first control signals. A serial circuit is coupled to receive the power control signal. The serial circuit produces the plurality of third control signals and the power control signal.
摘要翻译： 通信电路被设计成具有耦合以在预定时间（49）期间从通信电路外部的源接收多个第一控制信号（40-45）和第二控制信号（46）的处理电路（11）。 多个第一控制信号在时间上相等间隔。 第二控制信号接近第一控制信号（40）之一。 处理电路响应于多个第一控制信号中的至少两个产生功率控制信号。 串联电路被耦合以接收功率控制信号。 串行电路产生多个第三控制信号和功率控制信号。
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6.发明授权公开(公告)号：US06831956B1
公开(公告)日：2004-12-14
申请号：US09669813
申请日：2000-09-26
IPC分类号： H04B1707
CPC分类号： H04B1/7113
摘要： A wireless receiver (UST). The receiver comprises at least one antenna (ATU) for receiving a plurality of frames (FR) in a form of a plurality of paths. Each of the plurality of frames comprises a plurality of time slots (SLN), and each of the plurality of time slots comprises a plurality of symbols. Further, each of the plurality of paths has a corresponding sample position, wherein the plurality of symbols comprise a primary synchronization code symbol (PSC). The receiver further comprises circuitry (52) for correlating a primary synchronization code across a group of the plurality of symbols and circuitry (52) for identifying a plurality of path positions within the group. Each of the plurality of path positions corresponds to a respective one of a plurality of largest-amplitude paths represented within the group as detected in response to the circuitry for correlating. The receiver further comprises circuitry (56) for defining a plurality of sub-windows. Each of the plurality of sub-windows comprises a plurality of sample positions, and each of the plurality of sub-windows includes at least one of the plurality of identified path positions. Finally, the receiver further comprises circuitry (54, 58) for combining paths selected from the sample positions within the plurality of sub-windows.
摘要翻译： 无线接收器（UST）。 接收机包括用于接收多个路径形式的多个帧（FR）的至少一个天线（ATU）。 多个帧中的每一个包括多个时隙（SLN），并且多个时隙中的每一个包括多个符号。 此外，多个路径中的每一个具有对应的采样位置，其中多个符号包括主同步码符号（PSC）。 接收机还包括电路（52），用于在一组多个符号和电路（52）之间相互关联主同步码，用于识别组内的多个路径位置。 多个路径位置中的每一个对应于响应于用于相关的电路检测到的在组内表示的多个最大幅度路径中的相应一个路径位置。 接收器还包括用于限定多个子窗口的电路（56）。 多个子窗口中的每一个包括多个采样位置，并且多个子窗口中的每一个子窗口包括多个识别的路径位置中的至少一个。 最后，接收机还包括用于组合从多个子窗口内的样本位置选择的路径的电路（54,58）。
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7.发明授权Use of Walsh-Hadamard transform for forward link multiuser detection in CDMA systems 有权在CDMA系统中使用沃尔什 - 哈达玛变换进行前向链路多用户检测公开(公告)号：US06798737B1
公开(公告)日：2004-09-28
申请号：US09413314
申请日：1999-10-06
IPC分类号： H04J1100
CPC分类号： H04B1/71075 , H04B1/7115
摘要： A station capable of receiving information containing Walsh coding for a plurality of channels and canceling interference from the received information and the method of cancellation. A memory is provided for storing received signals containing a Walsh code for each of a plurality of channels as well as reflected and/or refracted versions of said received signals and a first plurality of signal paths is provided which are selectively coupled to the memory. The signal paths apply corresponding delays and inverse Walsh code transformations to separate the channels. Further, cancellation of the channels interfering with a desired channel proceeds with complementary delays and Walsh code transformation to regenerate the interference which is subtracted from the received signal in memory.
摘要翻译： 一种能够接收包含用于多个信道的沃尔什编码的信息并且从接收的信息中消除干扰的消息的站和消除方法。 提供存储器用于存储包含多个通道中的每一个的沃尔什码的接收信号以及所述接收信号的反射和/或折射版本，并且提供选择性地耦合到存储器的第一多个信号路径。 信号路径应用相应的延迟和反向沃尔什码变换来分离信道。 此外，干扰所需信道的信道的消除继续进行互补延迟和沃尔什码变换以再生从存储器中的接收信号中减去的干扰。
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公开(公告)号：US06404826B1
公开(公告)日：2002-06-11
申请号：US09218939
申请日：1998-12-22
IPC分类号： H04L2706
CPC分类号： H04B1/7097 , H04L1/20
摘要： A circuit is designed with an estimate circuit (132) coupled to receive a plurality of predetermined signals (416-418) from an external source. Each of the predetermined signals is spaced apart in time. The estimate cit produces a first estimate signal in response to at least one of the plurality of predetermined signals. An averaging circuit is coupled to receive a data signal 420 and at least one of the plurality of predetermined signals. The averaging circuit produces an average signal from the data signal and at least one of the plurality of predetermined signals.
摘要翻译： 电路被设计成具有耦合以从外部源接收多个预定信号（416-418）的估计电路（132）。 每个预定信号在时间上间隔开。 估计值响应于多个预定信号中的至少一个产生第一估计信号。 平均电路被耦合以接收数据信号420和多个预定信号中的至少一个。 平均电路从数据信号和多个预定信号中的至少一个产生平均信号。
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公开(公告)号：US08483327B2
公开(公告)日：2013-07-09
申请号：US12383154
申请日：2009-03-20
IPC分类号： H04L27/06
CPC分类号： H03M13/4115 , H03M13/09 , H03M13/356 , H03M13/4169
摘要： A convolutionally encoded frame to be decoded includes a first portion of bits having additional error protection and another portion without additional error protection. The decoding of the frame involves reverse Viterbi decoding or Viterbi decoding on a reversed bit sequence followed by applying a serial list Viterbi algorithm to the first portion. The result is that the list of probable sequences have unique sets of bits in the first portion.
摘要翻译： 要解码的卷积编码帧包括具有附加错误保护的第一部分位和不具有附加错误保护的另一部分。 该帧的解码涉及对反向比特序列的逆维特比解码或维特比解码，然后将序列表维特比算法应用于第一部分。 结果是可能序列的列表在第一部分中具有唯一的位集合。
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公开(公告)号：US20090180416A1
公开(公告)日：2009-07-16
申请号：US12410025
申请日：2009-03-24
IPC分类号： G08C17/02
CPC分类号： H04L5/0044 , H04B1/1615 , H04B7/0413 , H04B7/2656 , H04L5/0007 , H04L5/0048 , H04W52/0229 , Y02D70/1244 , Y02D70/1262 , Y02D70/23 , Y02D70/26 , Y02D70/40 , Y02D70/444 , Y02D70/449
摘要： A method of power saving for a wireless transceiver (FIGS. 1 and 2) is disclosed. The transceiver has an active power mode (504) and a reduced power mode (510). The transceiver is operated in the reduced power mode (510) and monitors transmissions from a remote wireless transmitter while in the reduced power mode. The transceiver identifies a transmission from the remote wireless transmitter by a transceiver identity included in the transmission (FIG. 6. UE identification). The transceiver transitions to the active power mode (512) in response to identifying the transmission.
摘要翻译： 公开了一种用于无线收发机（图1和图2）的省电方法。 收发器具有有功功率模式（504）和降低功率模式（510）。 收发器以降低功率模式（510）运行，并且在降低功率模式下监视来自远程无线发射机的传输。 收发器通过包含在传输中的收发信机标识符来识别来自远程无线发射机的传输（图6的UE标识）。 响应于识别传输，收发器转换到有功功率模式（512）。
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