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    • 29. 发明授权
    • Channel quality feedback in multicarrier systems
    • 多载波系统中的信道质量反馈
    • US09019902B2
    • 2015-04-28
    • US12616011
    • 2009-11-10
    • Jelena M. DamnjanovicJuan MontojoPeter Gaal
    • Jelena M. DamnjanovicJuan MontojoPeter Gaal
    • H04L5/00H04L1/00H04L25/03H04B7/06H04L1/16
    • H04L5/0053H04B7/063H04B7/0632H04B7/0634H04L1/0026H04L1/0027H04L1/0029H04L1/1671H04L5/0023H04L5/0057H04L25/03343H04L2025/03802
    • A wireless communication system facilitates multichannel periodic and aperiodic feedback (e.g., Channel Quality Indicator (CQI), Rank indicator (RI), Precoding Matrix Indicator (PMI)) from a population of user equipment while facilitating legacy single carrier communication. Paired downlink (DL)/uplink (UL) or many-to-one mapping communication can be established by common system information or dedicated signaling. In one aspect, a flag sent by system information or by dedicated signaling can indicate which means controls. Feedback can be configured for each carrier independently reported in a concatenated in frequency fashion, reported in a cycle in time fashion, or reported in a staggered in time and frequency fashion. Feedback can be reported jointly as one wide bandwidth. Feedback can be a single report perhaps reported on a data channel for more capacity or by cycled carrier/subband reporting.
    • 无线通信系统便于来自用户设备的群体的多信道周期性和非周期性反馈(例如,信道质量指示符(CQI),秩指示符(RI),预编码矩阵指示符(PMI)),同时便于传统的单载波通信。 配对下行链路(DL)/上行链路(UL)或多对一映射通信可以由公共系统信息或专用信令建立。 在一个方面,由系统信息或专用信令发送的标志可以指示哪个装置控制。 反馈可以配置为以链接级联的频率方式单独报告,以时间顺序报告,或以时间和频率方式交错报告。 反馈可以联合报告为一个宽带宽。 反馈可以是可能在数据通道上报告更多容量或循环载波/子带报告的单个报告。