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    • 6. 发明授权
    • Method and system for fast cell search using psync process in a multimode WCDMA terminal
    • 在多模WCDMA终端中使用psync进程的快速小区搜索的方法和系统
    • US08644286B2
    • 2014-02-04
    • US11353369
    • 2006-02-14
    • Nelson Ray SollenbergerXiaoxin QiuWei Luo
    • Nelson Ray SollenbergerXiaoxin QiuWei Luo
    • H04B7/216H04B7/00
    • H04W48/16H04B7/2675H04W48/18H04W56/0035H04W88/06
    • Certain aspects of a method and system for a fast cell search using a primary synchronization channel (PSYNC) process in a multimode wideband code division multiple access (WCDMA) terminal are provided. A WCDMA frequency search or a global system for mobile communications (GSM) frequency search is performed based on a current radio access technology (RAT), received signal strength indication (RSSI) scan measurements, and PSYNC detection operations. The RSSI scan measurements may be averaged by making multiple measurements during a measurement period. At least part of the PSYNC detection operations may be performed during a remaining portion of the measurement period. WCDMA carrier frequencies may be marked in accordance with the results of the PSYNC detection operations. For GSM, some of the frequencies may be removed from the search based on the PSYNC marking while the remaining search frequencies may be ranked based on results from the RSSI scan measurements.
    • 提供了在多模宽带码分多址(WCDMA)终端中使用主同步信道(PSYNC)进程的快速小区搜索的方法和系统的某些方面。 基于当前无线电接入技术(RAT),接收信号强度指示(RSSI)扫描测量和PSYNC检测操作来执行WCDMA频率搜索或全球移动通信(GSM)频率搜索系统。 可以通过在测量期间进行多次测量来对RSSI扫描测量进行平均。 至少部分PSYNC检测操作可以在测量周期的剩余部分期间执行。 可以根据PSYNC检测操作的结果标记WCDMA载波频率。 对于GSM,可以基于PSYNC标记从搜索中去除一些频率,而基于RSSI扫描测量的结果可以对剩余的搜索频率进行排名。
    • 8. 发明授权
    • Method and system for a programmable interference suppression module
    • 可编程干扰抑制模块的方法和系统
    • US08509698B2
    • 2013-08-13
    • US13532410
    • 2012-06-25
    • Mark HahmWei LuoThirunathan SutharsanAndrew du PreezBin LiuJun WuSeverine Catreux-ErcegShuangquan Wang
    • Mark HahmWei LuoThirunathan SutharsanAndrew du PreezBin LiuJun WuSeverine Catreux-ErcegShuangquan Wang
    • H04B1/00
    • H04B1/71075H04B1/7115H04B1/712H04B2201/70702
    • Aspects of a method and system for a programmable interference suppression module may include receiving a communication signal comprising one or more desired signal, and one or more undesired signals. The communication signal may be utilized to generate estimated channel state information. The estimated channel state information may be formatted for use in interference suppression. A reduced interference signal may be generated from a delayed version of said communications signal and the estimated channel state information, wherein the one or more undesired signals may be attenuated. The reduced interference signal may be formatted for post-processing. The desired signals may comprise WCDMA and/or HSDPA signals, and the undesired signals may be inter-cell and/or intra-cell interference. Further processing may comprise HSDPA processing and/or RAKE finger processing. The communication signal may be a Universal Mobile Telecommunication System (UMTS) compliant signal.
    • 用于可编程干扰抑制模块的方法和系统的方面可以包括接收包括一个或多个期望信号的通信信号以及一个或多个不需要的信号。 通信信号可用于产生估计的信道状态信息。 估计的信道状态信息可以被格式化以用于干扰抑制。 可以从所述通信信号的延迟版本和所估计的信道状态信息产生减小的干扰信号,其中所述一个或多个不需要的信号可以被衰减。 减小的干扰信号可以被格式化用于后处理。 期望的信号可以包括WCDMA和/或HSDPA信号,并且不期望的信号可以是小区间和/或小区内干扰。 进一步的处理可以包括HSDPA处理和/或RAKE手指处理。 通信信号可以是符合通用移动通信系统(UMTS)的信号。
    • 9. 发明授权
    • Method and system for compensation of interference cancellation delay
    • 干扰消除延迟补偿的方法和系统
    • US08503588B2
    • 2013-08-06
    • US12611810
    • 2009-11-03
    • Wei LuoKarthik RajagopalanAndrew du PreezBin LiuShuangquan Wang
    • Wei LuoKarthik RajagopalanAndrew du PreezBin LiuShuangquan Wang
    • H04B1/10H04L25/08
    • H04B1/7107
    • Aspects of a method and system for compensation of interference cancellation delay are provided. In this regard, a wireless communication device may receive one or more signals and may be operable to select, whether dynamically or statically, a processing path for processing the one or more received signals. The selected processing path may comprise one of an interference cancellation processing path and a pass-through processing path. A delay introduced by the pass-through processing path may be approximately equal to a processing delay introduced by the interference cancellation processing path. The one or more received signals may comprise HSDPA signals. The selection of processing path may be based on a measure of interference present in the one or more received signals.
    • 提供了一种用于补偿干扰消除延迟的方法和系统。 在这方面,无线通信设备可以接收一个或多个信号,并且可以可操作地动态地或静态地选择用于处理一个或多个接收信号的处理路径。 所选择的处理路径可以包括干扰消除处理路径和直通处理路径之一。 由直通处理路径引入的延迟可以近似等于由干扰消除处理路径引入的处理延迟。 一个或多个接收信号可以包括HSDPA信号。 处理路径的选择可以基于存在于一个或多个接收信号中的干扰的度量。