Comparative study of 24 kb/s ADPCM algorithms

M AL-Rawi, M AL-Rawi - Radioelectronics and Communications Systems, 2014 - Springer
Thepaper is devoted to comparison of four algorithms of 24 kb/sADPCM, standardADPCM
(ADPCM-1), and three new modified algorithms (ADPCM-2, ADPCM-3, ADPCM-4). The …

Performance study of multistage of 40 kb/s ADPCM systems

M Al-Rawi - International Review of Applied Sciences and …, 2015 - akjournals.com
The contribution of this paper is that the measure of the performance of multistage of 40 kb/s
Adaptive Differential Pulse Code Modulation (ADPCM) using signal-to-noise-ratio formula …

Modified 24 kb/s ADPCM System

MF Al-Rawi, M Al-Rawi - Journal of The Institution of Engineers (India) …, 2013 - Springer
This paper presents new modified 24 kb/s Adaptive Differential Pulse Code Modulation
(ADPCM) system. The modified ADPCM uses 4-bit quantizer with sampling rate of 6,000 …

[PDF][PDF] 適應性差異脈衝編碼調變

ALR Muhanned, ALR Muaayed - Journal of Advanced …, 2015 - researchgate.net
摘要這篇研究提出工作於兩個模式的數據機, 它以90 度振幅調變(QAM) 模式傳送9.6 kb/s
資料傳輸速率給32 kb/s 適應性差異脈衝編碼調變(ADPCM) 頻道. 數據機操作於2400 及3200 …

Effect of Changing the Symbol Rate of QAM Modem on the Performance of 32kb/s ADPCM System

ALR Muhanned, ALR Muaayed - … университета. Техника и …, 2016 - cyberleninka.ru
This paper presents three models of Quadrature Amplitude Modulation (QAM) modem
operating at data rate of 16.8 kb/s to be transmitted over 32kb/s Adaptive Differential Pulse …

Data Transmission at 9.6 kb/s Over 16kb/s ADPCM System

ALR Muhanned, ALR Muaayed - International Journal of …, 2013 - journal.uniten.edu.my
This paper studies the performance of 16kb/s ADPCM system using QAM signal at data rate
of 9.6 kb/s. Two models of QAM signals are used, the first model operates at symbol rate of …

[HTML][HTML] Сравнительный анализ алгоритмов АДИКМ для скорости передачи 24 кб/с

М Аль-Рави, М Аль-Рави - Вісті вищих учбових закладів …, 2014 - radio.kpi.ua
Анотація Представлены четыре алгоритма АДИКМ (ADPCM) для скорости передачи 24
кб/с: стандартный АДИКМ (АДИКМ-1) и три новых модифицированных алгоритма …

[PDF][PDF] Data Transmission at 12kb/s over 32kb/s ADPCM

ALR Muhanned, ALR Muaayed - International Journal of …, 2012 - researchgate.net
This paper presents new modified QAM modem that operates at data rate of 12kb/s to be
transmitted over 32kb/s Adaptive Differential Pulse Code Modulation (ADPCM). The purpose …

[PDF][PDF] Comparison between Two Algorithms of 32kb/s ADPCM using QAM Signal at 16.8 kb/s

M Al-Rawi, M Al-Rawi - Journal of Telecommunication, Electronic …, 2012 - jtec.utem.edu.my
This paper studies the comparison between two algorithms of 32kb/s ADPCM systems. The
first algorithm uses 4-bit quantizer with sampling rate of 8000 sample/sec, and the second …

[引用][C] Performance Study of 32kb/s ADPCM

ALR Muhanned, B Al-Saadi