ANALISIS PERFORMANSI DAN KAPASITAS SISTIM DS-CDMA DENGAN MEMPERHITUNGKAN PENGARUH KETIDAKSEMPURNAAN POWER CONTROL DAN SEKTORISASI

• Main Author: Handojo, Rubi
• Format: Theses
• Language: Indonesia
• Subjects: Teknik (Rekayasa, enjinering dan kegiatan berkaitan)
• Online Access: https://digilib.itb.ac.id/gdl/view/5326
• Institution: Institut Teknologi Bandung

<b></i>Abstract :</b><i><p align=\"justify\"> <br /> As the wireless industry continues to grow at a phenomenal rate, cellular systems for voice communications are demanding greater capacity, improved call quality and enhanced cellular service. The DS-CDMA cellular systems offer capacity improvement over more conventional multiple access techniques, moreover the CDMA system gives flexibility in capacity depends on the desired call quality.<br /> <p align=\"justify\"> The investigations in this paper is focused on the influence of both imperfect power control and imperfect sectorization on the performance of the system for the reverse link, i.e., from mobile to the base station, considering interference from both home cell and adjacent cells.<br /> <p align=\"justify\"> It is shown that the system is very sensitive to the imperfect power control. A power control error causes a radically reduction in capacity. The voice activity monitoring and sectorization are good methodes to improve the performance of cellular DS-CDMA systems. The imperfect sectorization which modeled by overlap angle causes a slightly degradation in performance compare to the effects of power control error.<br />