Telefonaktiebolaget Lm Ericsson (publ)

Lixia Chen

Chunyun Jian

Mi Zhou

A multiband radio () is presented that includes front-end architecture that can produce a substantial size/weight/cost reduction on the necessary air cavity multiband receive filter design of existing multiband radio (). In particular, the disclosure presents a multiband radio () configured to filter a set of sub-bands of a multiband uplink signal. In an aspect, the multiband radio () includes one or more wideband filters () configured to filter any group of two or more adjacent sub-bands in a frequency spectrum utilized by the multiband radio () for communication with one or more user equipment (UE). In addition, the multiband radio () includes a multiplexer () configured to isolate each of the uplink sub-bands using separate filters (). Furthermore, the multiband radio () includes a plurality of single sub-band filters (), each of the plurality of single sub-band filters () configured to filter a different isolated uplink sub-band in the frequency spectrum.

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San Jose, CA, United States of America

Lixia Chen