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    • 2. 发明申请
    • Apparatus and Method for Selective Single-Carrier Equalization
    • 选择性单载波均衡的装置和方法
    • US20140023130A1
    • 2014-01-23
    • US14035621
    • 2013-09-24
    • Broadcom Corporation
    • Alireza Tarighat MEHRABANI
    • H04L27/01
    • H04L27/01H04L25/0216H04L25/03038H04L25/03159H04L2025/03414H04L2025/03541
    • Embodiments of an apparatus and method for selective single-carrier (SC) equalization are provided. Multipath propagation in a communication channel often changes, and the severity of multipath propagation is often below worst case conditions supported by a SC communication device. When multipath propagation is less severe and below worst conditions, the use of frequency-domain equalization (FDE) in a SC receiver to mitigate ISI can be overkill and can result in excess power being consumed. The excess power consumption can be attributed to the general inability of the structure used to perform FDE to scale in terms of performance with channel conditions. Embodiments of the apparatus and method for performing selective equalization in a SC receiver allow either FDE or time-domain equalization (TDE) to be performed based on the current multipath propagation conditions of a communication channel. In general, TDE is used in place of FDE to conserve power when channel conditions permit.
    • 提供了用于选择性单载波(SC)均衡的装置和方法的实施例。 通信信道中的多路径传播通常会发生变化,多径传播的严重程度通常低于SC通信设备支持的最差情况。 当多路径传播较不严格且低于最差条件时,在SC接收机中使用频域均衡(FDE)来减轻ISI可能会过度消耗,并可能导致多余的功耗被消耗。 多余的功耗可归因于用于执行FDE的结构在通道条件方面在性能方面的一般性不足。 用于在SC接收机中执行选择性均衡的装置和方法的实施例允许基于通信信道的当前多径传播条件来执行FDE或时域均衡(TDE)。 一般来说,当通道条件允许时,TDE用于代替FDE来节省电力。