Search Results - "Berggren, F."

N-continuous OFDM by van de Beek, J., Berggren, F.

“…In this letter we report a new OFDM signalling format characterized by a precoder that renders the emitted signal's phase and amplitude continuous. It achieves…”
Get full text

Copepods drive large-scale trait-mediated effects in marine plankton by Selander, E, Berglund, E C, Engström, P, Berggren, F, Eklund, J, Harðardóttir, S, Lundholm, N, Grebner, W, Andersson, M X

“…Fear of predation may influence food webs more than actual predation. However, the mechanisms and magnitude of nonconsumptive predator effects are largely…”
Get full text

Asymptotically fair transmission scheduling over fading channels by Berggren, F., Jantti, R.

“…The problem of scheduling delay insensitive data over a direct sequence code-division multiple-access downlink fading channel is considered. This work…”
Get full text

Patterns of antiepileptic drug prescription in Sweden: A register‐based approach by Bolin, K., Berggren, F., Berling, P., Morberg, S., Gauffin, H., Landtblom, A.‐M.

“…Objectives To determine drug utilization pathways from the incident healthcare visit due to epilepsy and three years onward. Material and methods…”
Get full text

Bound states, electron localization and spin correlations in low-dimensional GaAs/AlGaAs quantum constrictions by Yakimenko, I I, Tsykunov, V S, Berggren, K-F

“…We analyze the occurrence of local magnetization and the effects of electron localization in different models of quantum point contacts (QPCs) using…”
Get more information

Prevalence and cost of epilepsy in Sweden - a register-based approach by Bolin, K., Berggren, F., Landtblom, A.-M.

“…Objectives To estimate the prevalence of epilepsy, costs associated with in‐ and outpatient care, drug utilization and productivity losses due to epilepsy in…”
Get full text

Out-of-Band Power Suppression in OFDM by Van De Beek, J., Berggren, F.

“…In this letter we show that judicious modulation of non-data subcarriers renders a transmitted OFDM signal and a few of its higher-order derivatives continuous…”
Get full text

Electrons in one dimension by Berggren, K.-F., Pepper, M.

“…In this article, we present a summary of the current status of the study of the transport of electrons confined to one dimension in very low disorder…”
Get full text

Effects of exchange and electron correlation on conductance and nanomagnetism in ballistic semiconductor quantum point contacts by Berggren, Karl-Fredrik, Yakimenko, II

“…The spontaneous magnetization of a quantum point contact (QPC) formed between two large quantum dots by a lateral confinement of a high-mobility…”
Get full text

Regional variation in prevalence and healthcare utilization due to epilepsy in Sweden by Bolin, K., Berggren, F., Landtblom, A.-M.

“…Objective To estimate the regional differences in the prevalence of epilepsy and the associated costs due to inpatient and outpatient care and anti‐epileptic…”
Get full text

Lacosamide as treatment of epileptic seizures - cost utility results for Sweden by Bolin, K., Berggren, F., Forsgren, L.

“…Bolin K, Berggren F, Forsgren L. Lacosamide as treatment of epileptic seizures – cost utility results for Sweden.
Acta Neurol Scand: 2010: 121: 406–412.
© 2010…”
Get full text

Energy-efficient control of rate and power in DS-CDMA systems by Berggren, F., Seong-Lyun Kim

“…The quality of service in direct-sequence code-division multiple access (DS-CDMA) can be controlled by a suitable selection of processing gain and transmission…”
Get full text

A simple bound on the outage probability with lognormally distributed interferers by Berggren, F., Slimane, S.B.

“…We consider the problem of determining the outage probability in a cellular radio system, where the interference is modeled by a sum of lognormal random…”
Get full text

Joint power control and intracell scheduling of DS-CDMA nonreal time data by Berggren, F., Seong-Lyun Kim, Jantti, R., Zander, J.

“…The performance of DS-CDMA systems depends on the success in managing interference arising from both intercell and intracell transmissions. Interference…”
Get full text

Wave transport and statistical properties of an open non-Hermitian quantum dot with parity-time symmetry by Wahlstrand, B, Yakimenko, I I, Berggren, K-F

“…A basic quantum-mechanical model for wave functions and current flow in open quantum dots or billiards is investigated. The model involves non-Hertmitian…”
Get full text

A systematic overview of institutions and bodies active in physical activity promotion in Europe by Kahlmeier, S, Popp, C, Martin, B, Backovic-Jurican, A, Banzer, W, Berggren, F, Engelsman, E, Foster, C, Racioppi, F, van Mechelen, W

Get full text

A generalized algorithm for constrained power control with capability of temporary removal by Berggren, F., Jantti, R., Seong-Lyun Kim

“…The distributed constrained power control algorithm (DCPC) (Grandhi et al. 1995) has become one of the most widely accepted quality-based power control…”
Get full text

The Influence of Many-Body Interactions on the Electron States in Quantum Point Contacs: Persistence of Exchange-Driven Splitting at High External Magnetic Fields by Yakimenko, I. I., Berggren, K.-F.

“…Spontaneous spin polarization of a quasi-1D electron gas in quantum point contacts (QPCs) is an important concept when analyzing conductance anomalies in the…”
Get full text

Si/SiGe electron resonant tunneling diodes by Paul, D. J., See, P., Zozoulenko, I. V., Berggren, K.-F., Kabius, B., Holländer, B., Mantl, S.

“…Resonant tunneling diodes have been fabricated using strained-Si wells and strained Si0.4Ge0.6 barriers on a relaxed Si0.8Ge0.2 n-type substrate, which…”
Get full text

Ballistic electrons in an open square geometry: Selective probing of resonant-energy states by Zozoulenko, I. V., Schuster, R., Berggren, K. -F., Ensslin, K.

Get full text