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    • 9. 发明公开
    • 송신기 성능의 평가를 위한 파일럿 변조 에러율
    • 用于评估发射机性能的引导调制误差
    • KR1020090008330A
    • 2009-01-21
    • KR1020087027570
    • 2007-04-10
    • 퀄컴 인코포레이티드
    • 크리시나모르티라구라만썬토마스
    • H04B7/26H04L1/20
    • H04L1/206H04L25/022H04L25/0232H04L25/0236H04L27/0012H04L27/2601H04L5/0048
    • Systems and methodologies are described that facilitate monitoring transmitter performance in a wireless communication environment. A metric or metrics associated with one or more pilot symbols can be generated and used to evaluate performance. To generate pilot metrics, a signal analyzer can be used to sample the output of a transmitter and the sampled signal can be propagated to a processor. The processor can generate frequency domain channel estimates for subcarriers. Average channel estimates for the subcarriers can be used with the known pilot symbols to determine noise or error for each subcarrier, which can be used to generate the noise variance for each of the pilot symbols. A pilot modulation error metric can be generated based upon the average channel estimates and noise variance.
    • 描述了便于在无线通信环境中监视发射机性能的系统和方法。 可以生成与一个或多个导频符号相关联的度量或度量,以用于评估性能。 为了产生导频指标,可以使用信号分析器对发射机的输出进行采样,并且采样信号可以传播到处理器。 处理器可以为子载波生成频域信道估计。 子载波的平均信道估计可以与已知导频符号一起使用以确定每个子载波的噪声或误差,其可用于为每个导频符号生成噪声方差。 可以基于平均信道估计和噪声方差来产生导频调制误差度量。