Experimental Study of DQPSK Modulation on SDR Platform | Zendy

Eko Marpanaji | Zendy; Bambang Riyanto Trilaksono | Zendy; Armein Z. R. Langi | Zendy; Adit Kurniawan | Zendy; Andri Mahendra | Zendy; Thay Liung | Zendy

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Experimental Study of DQPSK Modulation on SDR Platform

Author(s) -

Eko Marpanaji,

Bambang Riyanto Trilaksono,

Armein Z. R. Langi,

Adit Kurniawan,

Andri Mahendra,

Thay Liung

Publication year - 2007

Publication title -

itb journal of information and communication technology

Language(s) - English

Resource type - Journals

ISSN - 1978-3086

DOI - 10.5614/itbj.ict.2007.1.2.2

Subject(s) - phase shift keying , modulation (music) , computer science , electronic engineering , telecommunications , physics , engineering , acoustics , bit error rate , channel (broadcasting)

This Paper addresses Differential Quadriphase Shift Keying (DQPSK) modulation implemented on SDR platform for the development of digital data communications based on SDR. DQPSK modulation performance perceived at Packet Error Rate (PER) is evaluated in terms of Eb/No or S/N ratio, carrier frequency, bit rate, gain, roll-off factor of root Nyquist filter or root raised cosine filter, and of size of payload from delivered data. Based on this results, the smallest PER could be obtained by setting Eb/No value which is greater than 20 dB, carrier frequency of at least 0,3 MHz, optimum bit rate of 200 kbps, optimum range payload size of 2000 up to 4000 bytes, and roll-off factor of Nyquist or root-raised cosine filter of 0.4

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