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CDMA2000 1×, one of the world's first commercial third generation (3G) systems, offers high-speed data services in conjunction with the voice service. This high data rate capability of CDMA2000 1× enables delivery of real-time streaming video. To facilitate efficient network planning for wireless multimedia services, it is important to have a solid understanding of the feasibility and impact of delivering streaming video over a CDMA2000 1× network in the presence of voice and data traffic. This paper evaluates video streaming throughputs and wireless system capacities for a CDMA2000 1× network under mixed traffic conditions (including voice, web-browsing and streaming video traffic) through a multicell multiuser system-level event-driven simulation. We also demonstrate the advantages of incorporating scalability and dynamic rate control (DRC) in wireless video streaming services.