Please design a wireless access network architecture that can support the multi-media service (voice, video, and text), and explain your architecture according to the following list:

a. The network architecture; b. The resource multiplex technology; (FDMA, TDMA, CDMA or OFDMA) c. The QoS management functions and how to use these functions to provide QoS for the multi-media service; d. One example to show that how can a mobile to find and register a access point or based station; e. One example to show that how can a mobile to send a packet to Internet; f. One example to show that how can a mobile to receive a packet sent from Internet.