Ulf Gustavsson

TL;DR: In this article, the uplink access configuration index is used to identify an uplink AP from among a predetermined plurality of AP configurations, and then the AP is transmitted to the wireless communications network according to the identified AP.

TL;DR: It is illustrated that, for the 1-bit quantized case, pilot-based channel estimation together with maximal-ratio combing, or zero-forcing detection enables reliable multi-user communication with high-order constellations, in spite of the severe nonlinearity introduced by the ADCs.

TL;DR: In this paper, the design of varactor-based tunable matching networks for dynamic load modulation of high power amplifiers (PAs) is presented, and the results show that the power-added efficiency of the load modulated PA is improved by an absolute value of 10% at 10-dB backoff.

TL;DR: In this article, the information-theoretic throughout achievable on a fading communication link when the receiver is equipped with one-bit analog-to-digital converters (ADCs) is investigated for the setting where neither the transmitter nor the receiver have a priori information on the realization of the fading channels.

TL;DR: It is shown that least-squares (LS) channel estimation combined with joint pilot and data processing is capacity achieving in the single-user, single-receive-antenna case and LS channel estimation and maximum-ratio combining are sufficient to support both multiuser operation and the use of high-order constellations.