Performance Assessment of Coded-Beam High Throughput Satellites

• 作者: Eman S. Abass Hadia M. El-Hennawy Joseph V. M. Halim
• 来源期刊: 通讯、网络与系统学国际期刊(英文)
• 学科: 医学
• 关键词: HIGH-THROUGHPUT SATELLITES MULTIBEAM SATELLITES CODED BEAMS WALSH Coding CDMA SATELLITES
• 年，卷（期）: 2017,（8）
• 页码范围: 218-226
• 页数: 9页
• 分类号: R73

摘要

High-throughput satellite (HTS) systems usually make use of Multibeam coverage at high frequency bands in order to offer broadband access of large areas. Multibeam coverage increases the available capacity through frequency reuse and spatial separation. However, one of its major drawbacks is inter- spot interference which considered the motivation to propose a new approach using a coding technique to distinguish between beams that will be employed to mitigate this interference without the need of frequency reuse. This approach makes the use of orthogonal codes to identify beams and allow using the total satellite bandwidth per beam. Proposed system double the bandwidth used in each beam and save the usage of antenna polarization resource used in former designs, which may be used as a multiple accessing resource inside the coded beams. The objective of this paper is to provide a comprehensive performance assessment methodology for the proposed approach. Result validation is introduced by comparing the proposed system performance with conventional systems that relay on the DVB standards.