Carrier aggregation supports an increased total bandwidth, data rate and utilization of available fragmented spectrum, where the latter is a core component of next generation Wi-Fi and Cellular networks, including 5G. Wireless communications receivers with intra-band non-contiguous CA, employing conventional complex mixers and base-band circuitry, are desirable, however risks of VCO injection pulling and LO coupling may hinder adoption of simplistic parallel receive channels. Furthermore, in-band strong blockers are expected in such environment and the CA receiver should be designed to tolerate such signals.
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