Telecommunication Systems is a journal that covers all aspects of modeling, analysis, design, and management of telecommunication systems. The journal publishes high-quality research articles that involve the modeling, analysis, design, and management of telecommunication systems using analytical and quantitative tools. Key topics include: performance evaluation of wide area networks (WANs) and local area networks (LANs); network interconnection; wired, wireless, ADHOC, and mobile networks; the economic and organizational impacts of new services; fiber and photonic switching technologies; the impacts of DSL, ADSL, and cable television; design and analysis issues in metropolitan area networks (MANs); network protocols; dynamics and capacity expansion of telecommunication systems; multimedia-based systems and their design configurations and impacts; configuration of distributed systems; pricing of network and telecommunication services; performance analysis of LANs; distributed group decision support systems; configuration of telecommunication systems with reliability and availability; cost-benefit analysis and economic impacts of telecommunication systems; standardization and regulatory issues; security, privacy, and encryption in telecommunication systems; and systems based on cellular, mobile, and satellite technologies.