This letter proposes a Sub-GHz digital polar power amplifier circuit, which is intrinsically linear and power efficient. The architecture is based on a 1-bit delta–sigma modulator (DSM) to achieve ...

Vodafone stated 1024 QAM is likely to play a central role in meeting rising mobile data demand in the years to 2030. The test was conducted at a Vodafone facility in Spain, employing Nokia’s Habrok 64 ...

Vodafone, Nokia, Qualcomm Technologies, Inc. and Xiaomi have successfully completed tests of a major 5G software enhancement which promises to boost data throughput for users by nearly 25%. It will ...

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Digital predistortion (DPD) enhances signal quality in wideband radio frequency (RF) power amplifiers (PAs). As signal bandwidths expand in modern radio systems, DPD’s energy consumption increasingly ...