Telefonaktiebolaget Lm Ericsson (publ)

Alfa Laval Corporate Ab

Borgwarner Inc.

Johan Nilsson

Bengt Lindoff

Andres Reial

Torgny Palenius

Joakim Axmon

Robert Baldemair

Icaro L J Da Silva

Peter Alriksson

Bo Lincoln

Gunnar Mildh

Jinhua Liu

Ali S Khayrallah

Jianfeng Wang

Hai Feng Wang

Lars Sundström

Håkan Björkegren

Stefan Parkvall

Johan Rune

Fredrik Gunnarsson

Yi-Pin Eric Wang

Erik Bengt Dahlman

Jari Tapio Vikberg

Leif Wilhelmsson

Erik A Eriksson

Pål Frenger

Henrik Sahlin

Stefan Wager

Dennis Hui

Martin Hessler

Magnus Stattin

Sven Oscar Petersson

Karl Norrman

Qianxi Lu

Qingyu Miao

Johan Torsner

Pradeepa Ramachandra

Gabor Fodor

Fredrik Athley

Walter Müller

Janne Peisa

Kumar Balachandran

Joachim Sachs

Gen Li

Claes Tidestav

Thorsten Lohmar

Zhang Zhang

Bo Hagerman

Osman Nuri Can Yilmaz

Lars Lindbom

Niclas Wiberg

Johan Furuskog

Jonas Fröberg Olsson

Niklas Johansson

Zhan Zhang

Jose Luis Pradas

Andreas Bergström

Niklas Andgart

Pontus Wallentin

Anders Wallén

Patrik Rugeland

Henrik Asplund

Martin Johansson

Elias Jonsson

Karl Werner

Mikael Coldrey

Patrik Torgny Karlsson

Mårten Ericson

Johan Axnäs

Shehzad Ali Ashraf

Jonas Kronander

Fredrik Lindqvist

Reza Moosavi

Dennis Sundman

Ning He

Mikael Prytz

Håkan Axelsson

Yngve Selén

Andreas Cedergren

Nadia Brahmi

Niklas Jaldén

Ali El Essaili

Elena Myhre

Jonas Medbo

Jörg Huschke

Hugo Tullberg

Emma Wittenmark

Virgile Garcia

Muhammad Ali Kazmi

Rui Fan

David Astely

Anders Furuskär

Sina Maleki

Edgar Ramos

Jung-Fu Cheng

Gregory Edward Bottomley

Sven Erik Mattisson

Magnus Åström

Ari Kangas

Jonas Ohlsson

Fredrik Nordström

A method of over-the-air beamforming calibration is disclosed for a multi-antenna transceiver having a first plurality of antenna elements connected to respective transceiver chains. Beamforming calibration comprises determining respective beamforming calibration factors for the transceiver chains of the antenna elements of the first plurality. The method comprises determining a second plurality of measurement resources for calibration sounding, wherein the second plurality is smaller than the first plurality. The method also comprises (for each measurement resource of the second plurality) selecting one or more antenna elements of the first plurality for sounding signal transmission, wherein each antenna element of the first plurality is selected for one or more of the measurement resources of the second plurality. The method also comprises (using each measurement resource of the second plurality) overlappingly transmitting respective sounding signals by the selected one or more antenna elements. Corresponding apparatus, multi-antenna transceiver, wireless communication device and computer program product are also disclosed.

Over-the-air beamforming calibration

Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.

Network architecture, methods, and devices for a wireless communications network

A heat transfer plate has a front gasket groove including an annular front groove part extending around a heat transfer area, upper and lower distribution areas, and first and third portholes, and second and fourth ring groove parts enclosing second and fourth portholes. An upper front groove portion of the front gasket groove extends between the second porthole and the upper distribution area. A lower front groove portion of the front gasket groove extends between the fourth porthole and the lower distribution area. A bottom of the upper front groove portion is inclined such that the front gasket groove depth, within the upper front groove portion, increases in a direction towards the second adiabatic area, and a bottom of the lower front groove portion is inclined such that the front gasket groove depth, within the lower front groove portion, increases in a direction towards the fourth adiabatic area.

Heat transfer plate and gasket

There is provided a method of a wireless communication device, the communication device being arranged to operate in a wireless communication system employing a plurality of bandwidth alternatives for downlink control information. The method includes determining feasible control information reception modes, acquiring an estimate of energy consumption for respective feasible control information reception modes, selecting control information reception mode based on the estimated energy consumption, and operating the wireless communication device with the selected control information reception mode. A wireless communication device and a computer program for implementing the method in the wireless communication device are also provided.

Wireless communication device, method and computer program for selection of an energy efficient control information reception mode

A heat transfer plate comprises an upper end portion adjoining a center portion along an upper border line and comprising first and second port holes and an upper distribution pattern comprising upper distribution ridges and valleys. The upper distribution ridges extend along imaginary upper ridge lines from the upper border line towards the first port hole. The upper distribution valleys extend along imaginary upper valley lines from the upper border line towards the second port hole. The imaginary upper ridge lines and valley lines cross in plural upper cross points. In plural upper cross points, the plate extends in an imaginary first intermediate plane. The plate is configured so that a number of first upper cross points on one side of the center axis extends above the first intermediate plane, and a number of second upper cross points on another side of such axis extends below the first intermediate plane.

Heat transfer plate

There is provided determination of a beam configuration between a first radio transceiver device and a second radio transceiver device. The first radio transceiver device performs beam searching by transmitting a first sounding signal in all transmit beam configurations in a set of transmit beam configurations; and receiving, from the second radio transceiver device, a second sounding signal in all receive beam configurations in a set of receive beam configurations. The first radio transceiver device determines a beam configuration based on the receive beam configuration in the set of receive beam configurations in which the second sounding signal having best predetermined metric was received.

Determination of beam configuration

A heat transfer plate includes a first bar engagement comprising a first recess and a first edge portion surrounding the first recess, and a second bar engagement portion comprising a second recess and a second edge portion surrounding the second recess. A part of the first edge portion extends from a first plane to a parallel third plane, and a part of the second edge portion extends from the first plane to a fourth plane. The second and third planes are on the same side of the first plane, the third and fourth planes are a distance from the first plane, and the at least a part of the first edge portion projects from a front of the plate. An edge of the first edge portion defines a first area and an edge of the second edge portion defines a second area, the first area fitting inside the second area.

Heat transfer plate and cassette for plate heat exchanger

A heat transfer plate comprises first, third and fourth guiding sections. The first and fourth guiding sections each comprise, as seen from a first side of the heat transfer plate, a male projection to engage the first adjacent heat transfer plate for aligning the plate and the first adjacent heat transfer plate, and, as seen from a second side of the heat transfer plate, a female recess to engage the second adjacent heat transfer plate for aligning the plate and the second adjacent heat transfer plate. The third guiding section comprises, as seen from the second side of the plate, a male projection to engage the second adjacent heat transfer plate for aligning the plate and the second adjacent plate, and, as seen from the first side of the plate, a female recess to engage the first adjacent heat transfer plate for aligning the plate and the first adjacent plate.

Heat transfer plate and a plate pack for a heat exchanger comprising a plurality of such heat transfer plates

A beamforming method is disclosed of a multi-antenna transmitter configured for operation in a listen-before-talk (LBT) environment. The method comprises transmitting&#x2014;in transmission resources of a collection of one or more transmission resources corresponding to an LBT sensing event&#x2014;according to a primary emission pattern (e.g., a primary beam) having a main lobe in a primary angular direction associated with a channel path towards an intended receiver, and transmitting according to one or more secondary emission patterns. The one or more secondary emission patterns&#x2014;when accumulated over the collection of transmission resources corresponding to the LBT sensing event&#x2014;are configured to indicate channel occupancy in angular directions other than the primary angular direction. In some embodiments, the one or more secondary emission patterns comprises a plurality of secondary emission patterns (e.g., a plurality of secondary beams). Transmitting according to the one or more secondary emission patterns may comprise executing a sweep of the respective secondary beams over the collection of transmission resources corresponding to the LBT sensing event. In some embodiments, the one or more secondary emission patterns consists of a single secondary emission pattern (e.g., an omni-directional emission pattern). Corresponding apparatus, transmitter, network node, wireless communication device, and computer program product are also disclosed.

Beamforming in listen-before-talk environments

Methods and apparatuses exemplified in this disclosure provide mechanisms for a wireless communication device to indicate its Radio Access Technology (RAT) preferences to a wireless communication network, and for a wireless communication network to consider the RAT preferences of a given device when deciding which RAT the device will use. As a non-limiting example of the advantages flowing from these mechanisms, devices operating within a network that includes or is associated with multiple RATs can indicate their preferences for which RAT they use, while still allowing the network to retain control of the RAT selection decisions. Such flexibility offers significant advantages in 5G networks that provide tight integration between multiple RATS&#x2014;e.g., between LTE and NR air interfaces. However, the methods and apparatuses disclosed herein are not limited to 5G networks.

Method and apparatus for indicating and using radio access technology preferences in a wireless communication network

A method and device for transmitting information in a telecommunication system are described. A device (UE) selects which one of two or more radio access technologies (RATs) or, which one of two or more frequency bands, to use for transmission of a data signal. The device transmits the data signal using the selected RAT or frequency band.

Methods and systems for autonomous device selection of transmission resources

There is provided mechanisms for carrier frequency handling in a cluster based communications network. According to one aspect there is provided a method performed by a wireless device camping on or served by a cluster head device associated with a cluster head carrier frequency. According to one aspect there is provided a method performed by a cluster head device associated with a cluster head carrier frequency. A corresponding wireless device, a corresponding cluster head device, and corresponding computer programs and computer program products are also provided.

Carrier frequency handling in clusters

A network node and method therein for assisting a communication device to perform handover from a serving cell to a target cell in a communication network are disclosed. The network node is configured to obtain a first round trip time between the network node and a server and obtain a second round trip time between a target node in the target cell and the server. The network node is further configured to instruct the communication device to perform handover from the serving cell to the target cell based on at least the first round trip time and the second round trip time.

Network node and method therein for handover in wireless communication network

An attachment member is arranged to engage an edge portion of a heat exchanger plate for fastening a gasket to a first side of the heat exchanger plate. It comprises a first connection member, a second connection member and a bridge. A first part of the first connection member is arranged to engage the gasket while a second part of the first connection member engages the bridge. A first part of the second connection member is arranged to engage the gasket while and a second part of the second connection member engages with the bridge. The attachment member further comprises a plurality of fingers arranged between the first and second connection members. A respective connection part of each finger engages the bridge and the fingers are arranged to extend from the bridge towards the gasket.

Attachment means, gasket arrangement and assembly

Growing community of inventors

Höllviken, Sweden

Johan Nilsson