
Amplitude and phase-shift keying - Wikipedia
Amplitude and phase-shift keying (APSK) is a digital modulation scheme that conveys data by modulating both the amplitude and the phase of a carrier wave. In other words, it combines …
A Simplified 256-APSK Soft Demapping Method and …
Simulation results indicate that for 256-APSK, the proposed method achieves identical performance to traditional demapping algorithms, with significantly reduced computational …
Parameters of 256APSK constellations. | Download Table
Traditional Amplitude Phase Shift Keying (APSK) consists of rings with points uniformly spaced. By giving up this uniform-spacing feature, we propose an APSK optimization method...
apskmod - MathWorks
Modulate a random data sequence using APSK with zero phase offset for the inner circle and pi/6 phase offset for the outer circle. Define vectors for modulation order, PSK ring radii, and PSK …
A Low-Power 256-Element Ka-Band CMOS Phased-Array ... - IEEE …
2023年10月2日 · DVB-S2X standard modulated signals of up to 256 amplitude and phase-shift keying (APSK) can be supported in the over-the-air (OTA) measurement. The receiver …
24年10月通信基础知识补充1_apsk调制-CSDN博客
2024年10月28日 · 以下是关于APSK调制的详细解释,包括其PAPR低的原因,以Markdown格式呈现,适合在CSDN上发表。 APSK(Amplitude and Phase Shift Keying,幅度相位键控)是一 …
详解最新一代DVB卫星电视广播标准DVB-S2X(4) - 众视网_视频 …
dvb-s2就采用了4 apsk、8 apsk、16 apsk、32 apsk这4种psk调制方式。 而DVB-S2X则采用了更高阶数的PSK调制——最高可达256 APSK。 因此,DVB-S2X比DVB-S2更容易对卫星转发器 …
Design and Analysis of Optimum APSK Modulation Technique
2018年6月16日 · This paper investigates the design of power and spectrally efficient coded modulations based on amplitude phase shift keying (APSK) modulation with application to …
一种256APSK调制信号的解调方法、系统及装置与流程
2020年10月31日 · 与bpsk、qpsk等调制信号相比,apsk调制信号能有效提高频谱效率,且具有较小的峰均比,因此广泛应用于无线通信和卫星通信等领域。 然而,256apsk调制信号属于高阶 …
A Ka-Band 64-Element Deployable Active Phased-Array TX on
2023年5月1日 · Achieving 46.7 dBm electronically isotropically radiated power (EIRP), the proposed phased-array TX can support 256-APSK DVB-S2X. As a result, the proposed …