MULTI-STANDARD TRANSCEIVER ARCHITECTURE SUPPORTING 2.3 ~ 2.4 GHz WIRELESS COMMUNICATION

The present invention includes a plurality of time-division wireless communication standard, in particular, it relates to a multi-standard transceiver that supports 2.3 GHz to IEEE 802.11b / g and HPi in the 2.4 GHz band, select a transmission standards and transmission channel from a plurality of standards, and the selected transmission digital modulation is output from the frequency synthesizing section and said multimode modem and outputting a carrier frequency adjustment variable corresponding to the transmission channel selected by the multi-mode modem and said multimode modem to a digital modulation and demodulation in the baseband in accordance with standard underlying the transmitter and the radio modulation signal with the carrier frequency to receive a signal to adjust a variable bandwidth, depending on the transmission standard and low-pass filtering and up-conversion to a radio modulation signal corresponding to the transmission channel using the carrier frequency and down-converted to the band, the band according to the transmission standard A variable adjustment to low pass filter and the receiver a radio modulation signal outputted to the radio modulation signal inputted from the transmitter by the converted into a digital modulation signal receiving unit for input to the multi-mode modem, a time-division manner by the antenna and received by the antenna transceiver includes switching unit which outputs. In accordance with the present invention, there is an advantage that can be employed to reduce the cost and easily to a mobile terminal according to the mass-production as to share all the function blocks among a plurality of standards described above reducing the implementation area, and power consumption. The multi-standard, multi-mode, mobile Internet, wireless LAN, HPi, WLAN, 802.11b, 802.11g