English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

This paper considers a lens antenna array-assisted millimeter wave (mmWave)multiuser multiple-input multiple-output (MU-MIMO) system. The base station'sbeam selection matrix and user terminals' phase-only beamformers are jointlydesigned with the aim of maximizing the uplink sum rate. In order to deal withthe formulated mixed-integer optimization problem, a penalty dual decomposition(PDD)-based iterative algorithm is developed via capitalizing on the weightedminimum mean square error (WMMSE), block coordinate descent (BCD), andminorization-maximization (MM) techniques. Moreover, a low-complexitysequential optimization (SO)-based algorithm is proposed at the cost of aslight sum rate performance loss. Numerical results demonstrate that theproposed methods can achieve higher sum rates than state-of-the-art methods.

Lens Antenna Arrays-Assisted mmWave MU-MIMO Uplink Transmission: Joint Beam Selection and Phase-Only Beamforming Design