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Dive into the research topics where Mattias Bergström is active.

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Featured researches published by Mattias Bergström.


ieee conference on standards for communications and networking | 2017

LTE-WLAN aggregation (LWA) in 3GPP Release 13 & Release 14

Helka-Liina Määttanen; Gino Luca Masini; Mattias Bergström; Antti Ratilainen; Torsten Dudda

Integrating different radio access technologies (RATs) is one effective method to meet the demand to provide ever increasing data rates to the users. For integrating LTE and WLAN in particular, the purpose is to enhance the operators control of when the UE uses WLAN. Another aim, in addition to better network control on which RAT is used, is the possible data aggregation which enables simultaneous utilization of both resources. In this paper, we present LTE-WLAN Aggregation (LWA) as specified in 3GPP and compare it to the LTE-WLAN Radio Level Integration with IPsec tunnel (LWIP), also specified in 3GPP. In addition, we provide simulation results comparing the schemes in an example scenario.


Archive | 2011

Medium Access Control Timing Advance Group Assignment

Lisa Boström; Robert Baldemair; Mattias Bergström; Magnus Stattin


Archive | 2012

Uplink Synchronization Method and User Equipment

Mattias Bergström; Magnus Stattin


Archive | 2016

Controlling the operation of mobile terminals with respect to multiple radio access technologies

Håkan Persson; Joakim Bergström; Oumer Teyeb; Yu Wang; Christofer Lindheimer; Stefan Rommer; Håkan Palm; Ivo Sedlacek; Filip Mestanov; Niklas Johansson; Stephen Rayment; Samy Touati; Mattias Bergström; Dinand Roeland; Jari Vikberg; Tomas Hedberg


Archive | 2014

Adapting a Mobile Network

Torsten Dudda; Stefan Wager; Mattias Bergström; Walter Müller; Zhiyi Xuan


Archive | 2014

Traffic Steering from a First Access Network to a Second Access Network

Mattias Bergström; Ruth Guerra; Christofer Lindheimer; Filip Mestanov; Elena Myhre; Håkan Persson; Magnus Stattin; Oumer Teyeb


IEEE Communications Magazine | 2018

The Sky Is Not the Limit: LTE for Unmanned Aerial Vehicles

Xingqin Lin; Vijaya Yajnanarayana; Siva D. Muruganathan; Shiwei Gao; Henrik Asplund; Helka-Liina Määttanen; Mattias Bergström; Sebastian Euler; Y.-P. Eric Wang


Archive | 2012

Methods of Sending Feedback Signaling Under Carrier Specific Measurement Gaps in Multi-Carrier

Mattias Bergström; Muhammad Kazmi; Mikael Wittberg


Archive | 2014

Network control of terminals with respect to multiple radio access networks

Mattias Bergström


Archive | 2014

Handover request indicating split of a radio bearer between cells

Angelo Centonza; Oumer Teyeb; Mattias Bergström

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