一种用于相移键控调制方案的低功率发射机

2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications Pub Date : 2006-12-11 DOI:10.1109/PIMRC.2006.254480

Jaewon Lee, Seonghwan Cho

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引用次数: 2

摘要

提出了一种新的连续相移相键控(CP-PSK)调制方案和低功耗正交调制体系结构。在提出的调制方案中，相移以平滑、连续的方式发生，因此可以使用间接调制的频率合成器来实现。在提出的发射机架构中，通过采用两个间接调制的I和Q路径合成器来实现低功耗和低复杂性，从而消除了对混频器和数模转换器(dac)的需求。仿真结果表明，所提方法的误码率和频谱效率接近理想的PSK调制方案

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A Low Power Transmitter for Phase-Shift Keying Modulation Schemes

This paper presents a novel continuous-phase phase-shift-keying (CP-PSK) modulation scheme and a low-power quadrature modulation architecture. In the proposed modulation scheme, phase-shift occurs in a smooth, continuous manner so that it can be implemented using an indirectly modulated frequency synthesizer. In the proposed transmitter architecture, low-power and low-complexity are achieved by employing two indirectly modulated synthesizers for the I and Q paths, thereby eliminating the need for mixers and digital-to-analog converters (DACs). Simulation results show that the bit error rate (BER) and the spectral efficiency of the proposed methods are close to those of ideal PSK modulation schemes

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2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications

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