Modeling and Digital Mitigation of Transmitter Imperfections in Radio Communication Systems (2015)
Abstract / truncated to 115 words
To satisfy the continuously growing demands for higher data rates, modern radio communication systems employ larger bandwidths and more complex waveforms. Furthermore, radio devices are expected to support a rich mixture of standards such as cellular networks, wireless local-area networks, wireless personal area networks, positioning and navigation systems, etc. In general, a "smart'' device should be flexible to support all these requirements while being portable, cheap, and energy efficient. These seemingly conflicting expectations impose stringent radio frequency (RF) design challenges which, in turn, call for their proper understanding as well as developing cost-effective solutions to address them. The direct-conversion transceiver architecture is an appealing analog front-end for flexible and multi-standard radio systems. However, it is ... toggle 8 keywordsrf impairments – carrier aggregation – lte-advanced – i/q imbalance – pa nonlinearity – transmitter leaakge signal – FDD – carrier frequency offset
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