Hani M. Harb

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Recently, some problems related to the use of the Real-time Control Protocol (RTCP) in very large dynamic groups have arisen. Some of these problems are: feedback delay, increasing storage state at every member, and ineffective RTCP bandwidth usage, especially for the receivers that obtain incoming RTCP reports through low bandwidth links. More schemes are(More)
Pulse Width Modulation (PWM) plays an important and critical role in many applications and researches as motion control applications and conversion and conserving power energy. There are a wide variety of techniques to generate PWM signals. One of them is microcontroller-based PWM signal as used in PIC microcontroller. PIC-based embedded system developers(More)
By the end of 2011, the number of the subscribers of the cellular networks has reached 6 billion [1]. The number is expected to reach as many as people population in the whole world by the end of 2013 [2]. Despite this huge number of mobile subscribers served by so many mobile networks, the cellular networks suffer from severe security vulnerabilities and(More)
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