# Energy- and spectral-efficiency of zero-forcing beamforming in massive MIMO systems with imperfect reciprocity calibration: bound and optimization

> Research article (Science China Information Sciences, 2018) · cited 14× · AI/ML

**Wikidata**: [openalex:W2900531860](https://www.wikidata.org/wiki/openalex:W2900531860)  
**Source**: https://4ort.xyz/entity/energy-and-spectral-efficiency-of-zero-forcing-beamforming-in-massive-mimo-systems-with-imperfect-reciprocity-calibratio