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    • 1. 发明申请
    • METHOD AND APPARATUS FOR BLOCK-WISE DECISION-FEEDBACK EQUALIZATION FOR WIRELESS COMMUNICATION
    • 用于无线通信的块式决策反馈均衡的方法和装置
    • WO2006105309A1
    • 2006-10-05
    • PCT/US2006/011670
    • 2006-03-29
    • QUALCOMM INCORPORATEDWEI, YongbinKIM, Byoung-HoonMALLADI, Durga Prasad
    • WEI, YongbinKIM, Byoung-HoonMALLADI, Durga Prasad
    • H04L25/03
    • H04L25/03063H04L25/03057H04L25/03159
    • Techniques for performing decision feedback equalization are described. A feed-forward filter response and a feedback filter response are derived based on a channel estimate and a reliability parameter and further without constraint on the feedback filter response or with a constraint of no feedback for an on-time sample. The reliability parameter is indicative of the reliability of the feedback used for equalization and may be frequency dependent or frequency invariant. Different feed-forward and feedback filter responses may be derived with different constraints on the feedback filter and different assumptions for the reliability parameter. Equalization is performed with the feed-forward and feedback filter responses. If equalization is performed for multiple iterations then, for each iteration, the reliability parameter may be updated, the feed-forward and feedback filter responses may be derived based on the updated reliability parameter, and equalization may be performed with the filter responses for the iteration.
    • 描述用于执行判决反馈均衡的技术。 基于信道估计和可靠性参数导出前馈滤波器响应和反馈滤波器响应,并且进一步而不受反馈滤波器响应的约束或者对于准时采样没有反馈的约束。 可靠性参数表示用于均衡的反馈的可靠性,并且可以是频率依赖的或频率不变的。 不同的前馈和反馈滤波器响应可以通过反馈滤波器的不同约束和可靠性参数的不同假设得出。 使用前馈和反馈滤波器响应执行均衡。 如果对多次迭代执行均衡,那么对于每个迭代,可以更新可靠性参数,可以基于更新的可靠性参数导出前馈和反馈滤波器响应,并且可以用迭代的滤波器响应来执行均衡 。
    • 5. 发明申请
    • SUPPORTING OPERATION ON DEPENDENT CARRIERS IN A MULTI - CARRIER SYSTEM
    • 支持多载波系统中的相关载波的运行
    • WO2013022993A1
    • 2013-02-14
    • PCT/US2012/050026
    • 2012-08-08
    • QUALCOMM INCORPORATEDDAMNJANOVIC, Jelena M.GAAL, PeterWEI, YongbinMONTOJO, JuanMALLADI, Durga PrasadFLORE, Oronzo
    • DAMNJANOVIC, Jelena M.GAAL, PeterWEI, YongbinMONTOJO, JuanMALLADI, Durga PrasadFLORE, Oronzo
    • H04W72/12
    • H04W72/1289H04W72/14H04W84/04
    • Supporting communication on multiple carriers. A user equipment (UE) is configured with a base (anchor, regular, stand-alone) carrier and a dependent (extension) carrier linked (paired) to the base carrier. Data transmission on the dependent carrier is scheduled via a scheduling carrier, which is different from the dependent carrier. The UE receives (714) a scheduling grant on the scheduling carrier and determines whether the scheduling grant is for the base carrier and/ or the dependent carrier. The UE communicates (718), e.g. sends or receives data, on the base carrier and/or the dependent carrier based on the scheduling grant. The scheduling grant may be (i) a separate grant carrying scheduling information for only one carrier, (ii) a common grant carrying scheduling information for both carriers, (iii) a joint grant carrying separate scheduling information for each carrier, or (iv) a composite grant that may be a separate grant, a common grant, or a joint grant. A configuration of the base (anchor) carrier and a dependent (extension) carrier is received from the eNodeB at the UE.
    • 支持多个运营商的通信。 用户设备(UE)配置有与基站(基站,固定,独立)载波和从属(扩展)载体链接(配对)到基站的载体。 通过与从属载波不同的调度载波来调度依赖载波上的数据传输。 UE在调度载波上接收(714)调度许可,并确定调度授权是否用于基本载波和/或依赖载波。 UE通信(718),例如。 基于调度授权在基础载波和/或从属载波上发送或接收数据。 调度授权可以是(i)承载仅一个载波的调度信息的单独授权,(ii)承载两个载波的调度信息的公共授权,(iii)携带每个载波的分散调度信息的联合授权,或者(iv) 复合补助金可以是单独的补助金,共同补助金或联合补助金。 从UE处的eNodeB接收基本(主机)载波和从属(分机)载波的配置。