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In this paper, we present a prototype of a concurrent dual-channel RF transceiver module with diversity for wireless access in vehicular environment (WAVE) system. Two parallel RF paths are designed for concurrent communication. At each moment of time, both transceivers in the RF paths are simultaneously operated as transmitters or receivers. In each path, two antennas are connected with a diversity...
A direct down converted BP delta sigma receiver with frequency translating and a RF sin FIR DAC is proposed. it can directly process RF signal as defined in the digital domain while relieving sub block requirements and increasing SNR.
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