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11.发明授权公开(公告)号：US08467439B2
公开(公告)日：2013-06-18
申请号：US13117583
申请日：2011-05-27
IPC分类号： H03K5/159
CPC分类号： H04L25/03171 , H04L25/03012 , H04L2025/03726
摘要： At a node of a wireless network, equalization operations performed on signals received from a transmitter are adaptively switched to be equalized by an iterative turbo receiver or a linear receiver. A theoretical expression of a post-equalization SINR of a capacity-achieving receiver is used to estimate the post-equalization SINR performance of the turbo receiver. The estimated post-equalization SINR performance is then used as a basis to determine whether the received signal is to be equalized by the turbo receiver or the linear receiver.
摘要翻译： 在无线网络的节点处，对从发射机接收的信号执行的均衡操作被自适应地切换以由迭代turbo接收机或线性接收机进行均衡。 使用容量实现接收机的后均衡SINR的理论表达式来估计turbo接收机的均衡后SINR性能。 然后，将估计的均衡后SINR性能用作基础，以确定接收到的信号是否被turbo接收机或线性接收机均衡。
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公开(公告)号：US08451785B2
公开(公告)日：2013-05-28
申请号：US12614526
申请日：2009-11-09
申请人： Stephen Grant , Anders Wallén , Yi-Pin Eric Wang
发明人： Stephen Grant , Anders Wallén , Yi-Pin Eric Wang
CPC分类号： H04W72/0406 , H04B1/707 , H04L1/001 , H04L1/0027 , H04L1/0029 , H04L5/001 , H04L5/0016 , H04L5/0053 , H04L5/0055 , H04L5/06
摘要： Methods and apparatus are disclosed for transmitting data to a remote node via each of two or more transmitted carrier signals, wherein a distinct outbound packet data traffic channel is mapped to each transmitted carrier signal. In an exemplary method, aggregated control channel data is formed by combining control channel data corresponding to each of two or more received carrier signals, simultaneously transmitting traffic channel data to the remote node on each of the two or more outbound packet data traffic channels, and transmitting the aggregated control channel data using one or more physical control channels mapped to a first one of the transmitted carrier signals. In particular, these methods and apparatus may be applied to a multi-carrier High-Speed Packet Access (HSPA) system.
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13.发明授权公开(公告)号：US08391253B2
公开(公告)日：2013-03-05
申请号：US12572423
申请日：2009-10-02
IPC分类号： H04J3/00
CPC分类号： H04W4/06 , H04B1/707 , H04B2201/70701 , H04J3/00 , H04J13/0044 , H04J13/20
摘要： A pilot channel signal for time-division multiplexing with one or more traffic channel signals in a broadcast/multi-cast signal and for code-division multiplexing with a continuously transmitted pilot channel signal is described. In an exemplary method for transmitting a broadcast/multicast signal, a pilot symbol sequence is obtained for each slot of one or more frames of the broadcast/multicast signal, so that the pilot symbol sequence varies for each slot of a given frame. The pilot symbol sequence for each slot is spread with a channelization code, and the spread pilot symbol sequence for each slot is scrambled, using a scrambling code, to form a first pilot channel signal. The first pilot channel signal is transmitted so that it is time-division multiplexed with one or more traffic channel signals transmitted during each slot and code-division multiplexed with a second pilot channel signal transmitted during all slots of the one or more frames.
摘要翻译： 描述了用于与广播/多播信号中的一个或多个业务信道信号进行时分复用并用于与连续发送的导频信道信号进行码分复用的导频信道信号。 在用于发送广播/多播信号的示例性方法中，为广播/多播信号的一个或多个帧的每个时隙获得导频符号序列，使得导频符号序列对于给定帧的每个时隙而变化。 每个时隙的导频符号序列用信道化码扩展，并且使用扰码对每个时隙的扩展导频符号序列进行加扰，以形成第一导频信道信号。 发送第一导频信道信号，使其与在每个时隙期间发送的一个或多个业务信道信号进行时分复用，并与在一个或多个帧的所有时隙期间发送的第二导频信道进行码分多路复用。
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公开(公告)号：US20120155435A1
公开(公告)日：2012-06-21
申请号：US13403683
申请日：2012-02-23
申请人： Yi-Pin Eric Wang , Anders Wallén , Stephen Grant
发明人： Yi-Pin Eric Wang , Anders Wallén , Stephen Grant
CPC分类号： H04W72/0486 , H04W72/0453
摘要： The method an apparatus described herein manages uplink resources to increase spectral efficiency and system capacity. According to one embodiment of the present invention, a base station may be assigned two or more downlink carriers for downlink transmission and two or more corresponding uplink carriers. In a multi-carrier mode, the base station may transmit signals on two or more downlink carriers to the same mobile terminal, and receive signals from the mobile terminal on one of the paired uplink terminals. The uplink carriers can be operated at different interference levels and the uplink traffic can be divided between the available uplink carriers based on the type of traffic and/or data transmission parameters. The mobile terminals may also be allowed to switch between the uplink carriers to improve overall efficiency.
摘要翻译： 本文描述的方法和装置管理上行链路资源以提高频谱效率和系统容量。 根据本发明的一个实施例，可以为基站分配用于下行链路传输的两个或更多个下行链路载波和两个或更多个对应的上行链路载波。 在多载波模式中，基站可以在两个或多个下行链路载波上发送信号到同一个移动终端，并且在一个上行链路终端中的一个上接收来自移动终端的信号。 上行链路载波可以以不同的干扰级别操作，并且可以基于业务类型和/或数据传输参数在可用的上行链路载波之间划分上行链路业务。 还可以允许移动终端在上行链路载波之间切换以提高整体效率。
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公开(公告)号：US20120099638A1
公开(公告)日：2012-04-26
申请号：US13091062
申请日：2011-04-20
申请人： Yi-Pin Eric Wang
发明人： Yi-Pin Eric Wang
IPC分类号： H04L27/01
CPC分类号： H04L25/03057 , H04B7/0413 , H04L1/005 , H04L1/0066 , H04L1/208 , H04L25/067 , H04L2025/03363 , H04L2025/03426
摘要： A receiver for processing a received signal encoded with a codeword and mapped to two layers includes a plurality of equalizers for equalizing the received signal, a plurality of demodulators for demodulating a respective equalized signal, a decoder for decoding the demodulated signal by extracting soft bits from the demodulated signal, a modulator for modulating the decoded signal by generating soft symbols based on the extracted soft bits, a demapper for demapping the modulated signal to soft symbols corresponding to each of the two layers and a plurality of inter-layer interference cancellers for cancelling interference utilizing the demapped soft symbols wherein the demapped soft symbols are utilized also by the equalizers to reduce inter-symbol interference.
摘要翻译： 用于处理用码字编码并映射到两层的接收信号的接收机包括用于均衡接收信号的多个均衡器，用于解调相应的均衡信号的多个解调器，用于通过提取软比特来解码解调信号的解码器 解调信号，用于通过基于提取的软比特生成软符号来调制解码信号的调制器，用于将调制信号解映射到对应于两个层中的每一个的软符号的解映射器和用于消除的多个层间干扰消除器 利用解映射的软符号的干扰，其中平滑器还利用去映射的软符号来减少符号间干扰。
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公开(公告)号：US20120014307A1
公开(公告)日：2012-01-19
申请号：US12808784
申请日：2008-09-18
IPC分类号： H04W4/06
CPC分类号： H04B1/7083 , H04B2201/70701 , H04J13/0014 , H04J13/102
摘要： Physical downlink channels PPHY1, PHY2 are summed in a summation unit 10. The output of summation unit 10 is forwarded to another summation unit 12, where it is combined with the primary and secondary synchronization channels P-SCH, S-SCH. The secondary synchronization channel S-SCH is formed as in WCDMA. The primary synchronization channel P-SCH is formed by connecting a switch SW either to a code generator 14 generating the conventional code PSCWCDMA or a code generator 18 generating the code PSCNEW. The selection is controlled by a PSC controller 18. This controller can be adapted to produce a P-SCH in accordance with one of several formats. PSCNEW has the properties that it is a hierarchical Golay sequence constructed by a plurality of constituent sequences with at least one of the constituent sequences being the Golay sequence, and that it is orthogonal to the primary and secondary synchronization codes used in non-MBSFN capable WCDMA.
摘要翻译： 物理下行链路信道PPHY1，PHY2在求和单元10中相加。求和单元10的输出被转发到另一个求和单元12，其中它与主和辅同步信道P-SCH，S-SCH组合。 次同步信道S-SCH如WCDMA中那样形成。 主同步信道P-SCH是通过将开关SW连接到产生常规码PSCWCDMA的码发生器14或产生码PSCNEW的码发生器18来形成的。 该选择由PSC控制器18控制。该控制器可以适于根据若干格式之一产生P-SCH。 PSCNEW具有这样的属性，即它是由多个组成序列构成的分层格洛序列，其中至少一个组成序列是Golay序列，并且它与在非MBSFN能力的WCDMA中使用的主要和次要同步码正交 。
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17.发明授权Method and apparatus for estimating impairment covariance matrices using unoccupied spreading codes 有权使用未占用扩展码估计损害协方差矩阵的方法和装置公开(公告)号：US08098715B2
公开(公告)日：2012-01-17
申请号：US12135268
申请日：2008-06-09
IPC分类号： H04B1/00
CPC分类号： H04L25/03133 , H04B1/7103 , H04B1/712 , H04B17/327 , H04B2201/709727
摘要： In one of its aspects, the technology concerns a method of processing a signal which includes physical data channels which have been channelized using spreading codes. The method comprises (1) despreading unoccupied spreading codes (e.g., codes which are essentially unobscured by traffic data) included in the signal to obtain unoccupied code despread values, (2) using the unoccupied code despread values to form an impairment covariance matrix; and (3) using the impairment covariance matrix along with a channel estimate to form a processing parameter. The processing parameter can be one of combining sets and a signal quality estimate. In another of its aspects, the technology concerns a coherent, linear equalizer apparatus configured to process a signal which includes physical data channels which have been channelized using spreading codes. The equalizer apparatus comprises plural delay fingers (32) configured to despread unoccupied spreading codes included in the signal to obtain unoccupied code despread values, and a generator (60) configured to use the unoccupied code despread values to form an impairment covariance matrix.
摘要翻译： 在其一个方面，该技术涉及一种处理信号的方法，该信号包括已经使用扩展码被信道化的物理数据信道。 该方法包括：（1）解扩所述信号中包含的未被占用的扩展码（例如，业务数据本质上不被遮挡的代码），以获得未占用的码解扩值，（2）使用未占用码解扩值形成损害协方差矩阵; 和（3）使用损伤协方差矩阵以及信道估计来形成处理参数。 处理参数可以是组合集合和信号质量估计之一。 在另一方面，该技术涉及一种相干的线性均衡器装置，其被配置为处理包括已经使用扩展码被信道化的物理数据信道的信号。 均衡器装置包括：多个延迟指（32），被配置为对包括在信号中的未占用的扩展码进行解扩以获得未占用的码去扩展值;以及生成器（60），被配置为使用未占用的码去扩展值来形成损害协方差矩阵。
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公开(公告)号：US20110280296A1
公开(公告)日：2011-11-17
申请号：US12779172
申请日：2010-05-13
申请人： Yi-Pin Eric Wang , George Jöngren
发明人： Yi-Pin Eric Wang , George Jöngren
CPC分类号： H04W24/08 , H04L1/0032 , H04L1/0036 , H04L1/20
摘要： Channel quality metrics (such as SINR, BLER, and the like) are derived from a raw bit error rate (RBER), defined as the error rate of raw bits output by a demodulator. These initial raw bits are decoded and error-checked (or error-corrected). The error-free decoded bits are re-encoded, and the regenerated raw bits are compared to the initial raw bits to determine the RBER. The RBER is then converted to SINR, BLER, or other channel quality metric. The RBER-based metrics are derived from a data channel rather than reference signals, and hence more accurately reflect deviations from nominal transmission power level, and include receiver demodulator impairments.
摘要翻译： 信道质量度量（例如SINR，BLER等）从原始比特误码率（RBER）导出，定义为解调器输出的原始比特的错误率。 这些初始原始位被解码和错误检查（或纠错）。 重新编码无差错解码的比特，并将再生的原始比特与初始的原始比特进行比较以确定RBER。 然后将RBER转换为SINR，BLER或其他信道质量度量。 基于RBER的度量来自数据信道，而不是参考信号，因此更准确地反映了与标称发射功率电平的偏差，并且包括接收机解调器损伤。
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19.发明申请公开(公告)号：US20110255638A1
公开(公告)日：2011-10-20
申请号：US12760839
申请日：2010-04-15
IPC分类号： H04L27/00
CPC分类号： H04L27/38 , H04L25/0242 , H04L25/03229 , H04L27/3416 , H04L2025/03388 , H04L2025/03414
摘要： In a receiver with a multi-stage equalizer, such as an SLI equalizer, cumulative symbol estimates generated in one or more early stages of the equalizer are used as effective pilot symbols to improve channel estimation for later stages.
摘要翻译： 在具有多级均衡器（诸如SLI均衡器）的接收机中，在均衡器的一个或多个早期阶段中生成的累积符号估计值被用作有效的导频符号，以改进稍后阶段的信道估计。
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公开(公告)号：US08000655B2
公开(公告)日：2011-08-16
申请号：US12339967
申请日：2008-12-19
IPC分类号： H04B1/00
CPC分类号： H04B1/7103 , H04B7/0891
摘要： A node (e.g., base station, signal processing unit) is described herein that includes a symbol detector and a method which are capable of suppressing interference caused by one user device (which may be in softer handoff mode) to reduce performance degradation to other intra-cell user devices and/or other inter-cell user devices (which may not be in softer handoff mode).
摘要翻译： 本文描述了一种节点（例如，基站，信号处理单元），其包括能够抑制由一个用户设备（其可能处于更软切换模式）引起的干扰的符号检测器和方法，以降低其他内部 - 小区用户设备和/或其他小区间用户设备（其可能不处于更软切换模式）。
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