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    • 5. 发明授权
    • Method and system for interference suppression in WCDMA systems
    • WCDMA系统干扰抑制方法与系统
    • US08503506B2
    • 2013-08-06
    • US13588297
    • 2012-08-17
    • Mark HahmWei LuoArkady Molev-ShteimanHongwei KongXiao-Feng QiLi Fung ChangNelson Sollenberger
    • Mark HahmWei LuoArkady Molev-ShteimanHongwei KongXiao-Feng QiLi Fung ChangNelson Sollenberger
    • H04B1/707
    • H04B1/712H04J11/0063H04J13/0044H04J13/0048
    • Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving antennas. A plurality of weighting factor values may be computed based on the received multipath signals. Estimated signals may be based on the weighting factor values. Residual signals may be generated based on received signals and the estimated signals. Addback signals may be generated based on the estimated signals and the residual signals. Updated estimated signals may be generated based on the addback signals and the weighting factor values. Incremental signals may be generated based on the updated estimated signals and addback signals. Updated residual signals may be generated based on the incremental signals and previous residual signals. The interference suppressed signals may be generated based on the updated residual signals and updated estimated signals.
    • 用于WCDMA系统中的干扰抑制的方法和系统的方面可以包括可操作以经由一个或多个接收天线接收多个多径信号的一个或多个电路。 可以基于接收的多路径信号来计算多个加权因子值。 估计信号可以基于加权因子值。 可以基于接收的信号和估计的信号来产生残余信号。 可以基于估计的信号和残留信号来生成附加信号。 可以基于附加信号和加权因子值来生成更新的估计信号。 可以基于更新的估计信号和加法信号来产生增量信号。 可以基于增量信号和先前的剩余信号来生成更新的残留信号。 可以基于更新的残差信号和更新的估计信号来产生干扰抑制信号。
    • 7. 发明授权
    • Method and system for interference suppression in WCDMA systems
    • WCDMA系统干扰抑制方法与系统
    • US08284819B2
    • 2012-10-09
    • US12582771
    • 2009-10-21
    • Mark HahmWei LuoArkady Molev-ShteimanHongwei KongXiao-Feng QiLi Fung ChangNelson Sollenberger
    • Mark HahmWei LuoArkady Molev-ShteimanHongwei KongXiao-Feng QiLi Fung ChangNelson Sollenberger
    • H04B1/00
    • H04B1/712H04J11/0063H04J13/0044H04J13/0048
    • Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving antennas. A plurality of weighting factor values may be computed based on the received multipath signals. Estimated signals may be based on the weighting factor values. Residual signals may be generated based on received signals and the estimated signals. Addback signals may be generated based on the estimated signals and the residual signals. Updated estimated signals may be generated based on the addback signals and the weighting factor values. Incremental signals may be generated based on the updated estimated signals and addback signals. Updated residual signals may be generated based on the incremental signals and previous residual signals. The interference suppressed signals may be generated based on the updated residual signals and updated estimated signals.
    • 用于WCDMA系统中的干扰抑制的方法和系统的方面可以包括可操作以经由一个或多个接收天线接收多个多径信号的一个或多个电路。 可以基于接收的多路径信号来计算多个加权因子值。 估计信号可以基于加权因子值。 可以基于接收的信号和估计的信号来产生残余信号。 可以基于估计的信号和残留信号来生成附加信号。 可以基于附加信号和加权因子值来生成更新的估计信号。 可以基于更新的估计信号和加法信号来产生增量信号。 可以基于增量信号和先前的剩余信号来生成更新的残留信号。 可以基于更新的残差信号和更新的估计信号来产生干扰抑制信号。
    • 8. 发明申请
    • Adaptive interference cancellation algorithm using speech mode dependent thresholds
    • 使用语音模式相关阈值的自适应干扰消除算法
    • US20060198362A1
    • 2006-09-07
    • US11150957
    • 2005-06-13
    • Arkady Molev-ShteimanNelson SollenbergerHuaiyu (Hanks) Zeng
    • Arkady Molev-ShteimanNelson SollenbergerHuaiyu (Hanks) Zeng
    • H04Q7/00H04Q7/24H04L12/66H04B1/713H04B1/707H04J3/16H04B1/69H04J3/22
    • H04L25/03038H04L25/0224H04L25/0305H04L25/03178H04L2025/03401
    • The present invention provides a method of processing radio frequency (RF) bursts dependent on a speech mode associated with data contained within the RF burst. Different voice modes, full rate, half rate, and adaptive multi-channel rates each may require different signal to noise ratio (SNR) conditions in order to be successfully processed. To improve the equalization of the received RF burst(s), the SNR associated with the burst is estimated. Then based on the SNR or other related conditions (i.e. the presence or absence of colored noise, and the estimated channel profile) a decision can be made as to whether or not an interference cancellation burst process should be implemented. For example, the presence of colored noise may indicate the presence of interference requiring the cancellation of such interference, the channel profile as described by the channel length and other associated properties may help determine when an interference cancellation process should be utilized as well, and if there is insufficient SNR, i.e. the SNR is below the predetermined threshold, all indicate that it may be desirable to implement interference cancellation to improve the processing of the received burst(s).
    • 本发明提供了一种处理与RF数据中包含的数据相关联的语音模式的射频(RF)突发的方法。 不同的语音模式,全速率,半速率和自适应多信道速率各自可能需要不同的信噪比(SNR)条件才能被成功处理。 为了改善所接收的RF突发的均衡,估计与突发相关联的SNR。 然后基于SNR或其他相关条件(即有色噪声的存在或不存在以及估计的信道简档),可以做出关于是否应该实现干扰消除突发处理的决定。 例如,有色噪声的存在可以指示需要消除这种干扰的干扰的存在,由信道长度和其他相关属性描述的信道简档可以帮助确定什么时候还应该使用干扰消除过程,并且如果 SNR不足,即SNR低于预定阈值,都表示可能希望实现干扰消除以改善接收到的突发的处理。
    • 10. 发明申请
    • METHOD AND SYSTEM FOR INTERFERENCE SUPPRESSION IN WCDMA SYSTEMS
    • WCDMA系统干扰抑制方法与系统
    • US20110090996A1
    • 2011-04-21
    • US12582771
    • 2009-10-21
    • Mark HahmWei LuoArkady Molev-ShteimanHongwei KongXiao-Feng QiLi Fung ChangNelson Sollenberger
    • Mark HahmWei LuoArkady Molev-ShteimanHongwei KongXiao-Feng QiLi Fung ChangNelson Sollenberger
    • H04L1/02
    • H04B1/712H04J11/0063H04J13/0044H04J13/0048
    • Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving antennas. A plurality of weighting factor values may be computed based on the received multipath signals. Estimated signals may be based on the weighting factor values. Residual signals may be generated based on received signals and the estimated signals. Addback signals may be generated based on the estimated signals and the residual signals. Updated estimated signals may be generated based on the addback signals and the weighting factor values. Incremental signals may be generated based on the updated estimated signals and addback signals. Updated residual signals may be generated based on the incremental signals and previous residual signals. The interference suppressed signals may be generated based on the updated residual signals and updated estimated signals.
    • 用于WCDMA系统中的干扰抑制的方法和系统的方面可以包括可操作以经由一个或多个接收天线接收多个多径信号的一个或多个电路。 可以基于接收的多路径信号来计算多个加权因子值。 估计信号可以基于加权因子值。 可以基于接收的信号和估计的信号来产生残余信号。 可以基于所估计的信号和残留信号来生成附加信号。 可以基于附加信号和加权因子值来生成更新的估计信号。 可以基于更新的估计信号和加法信号来产生增量信号。 可以基于增量信号和先前的剩余信号来生成更新的残留信号。 可以基于更新的残差信号和更新的估计信号来产生干扰抑制信号。