发明名称 Method and system for polar modulation with discontinuous phase
摘要 Aspects of a method and system for polar modulation with discontinuous phase are provided. In this regard, in-phase and quadrature-phase components may be generated from a modulated baseband signal, and the signal components may be utilized to generate a signal representative of the amplitude of the baseband signal. Furthermore, the signal components may be pulse shaped and the pulse-shaped components may be divided by the signal representative of the amplitude of the baseband signal. The resulting signals may be up-converted to RF, summed, and amplified, where the amplification may be controlled via a quantized representation of the signal representative of the amplitude of the baseband signal. In this regard, one or more bias points, and/or one or more binary weighted current sources coupled to one or more power amplifiers may be controlled. The pulse-shaping may comprise passing the signal components through a raised cosine filter.
申请公布号 EP2026522(A2) 申请公布日期 2009.02.18
申请号 EP20080013194 申请日期 2008.07.22
申请人 BROADCOM CORPORATION 发明人 ROFOUGARAN, AHMADREZA
分类号 H04L27/34;H03F3/24;H04L25/03;H04L27/36 主分类号 H04L27/34
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