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In the development of wireless cellular network, there are some different focuses. As far as these focuses are concerned, the wireless and cellular network works with different bandwidth and radio frequency. Also, the next generation cellular network must have important services, for example, the media service. To use the media service, we need stable bandwidth and bundle delay time because in 3G cellular network, the IP handoff problem may come from the faster speed than that in wireless network. Therefore, we propose QoS architecture to provide bandwidth, to lower handoff problem and to increase the bandwidth utilization.