Telefonaktiebolaget Lm Ericsson (publ)

Idtp Holdings, Inc.

Optis Cellular Technology, LLC

Fredrik Gunnarsson

Sara Modarres Razavi

Pradeepa Ramachandra

Pål Frenger

Johan Moe

Henrik Rydén

Gunnar Mildh

Icaro L J Da Silva

Bo Hagerman

Stefan Wager

Ritesh Shreevastav

Erik A Eriksson

Angelo Centonza

Bengt Lindoff

Martin Hessler

Pontus Wallentin

Karl Norrman

Niklas Johansson

Iana Siomina

Niclas Wiberg

Andreas Bergström

Walter Müller

Gabor Fodor

Jonas Kronander

Oumer Teyeb

Claes Tidestav

Henrik Asplund

Eva Englund

Patrik Torgny Karlsson

Mikael Coldrey

Stefan Parkvall

Yi-Pin Eric Wang

Jonas Fröberg Olsson

Magnus Stattin

Qingyu Miao

Torgny Palenius

Johan Rune

Erik Bengt Dahlman

Andres Reial

Johan Mikael Bergman

Qianxi Lu

Joachim Sachs

Xingqin Lin

Zhang Zhang

Lars Lindbom

Hai Feng Wang

Robert Baldemair

Jinhua Liu

Jari Tapio Vikberg

Henrik Sahlin

Dennis Hui

Sven Oscar Petersson

Joakim Axmon

Johan Torsner

Fredrik Athley

Janne Peisa

Kumar Balachandran

Ali S Khayrallah

Gen Li

Thorsten Lohmar

Osman Nuri Can Yilmaz

Johan Furuskog

Jianfeng Wang

Lars Sundström

Zhan Zhang

Peter Alriksson

Jose Luis Pradas

Patrik Rugeland

Martin Johansson

Karl Werner

Johan Axnäs

Mårten Ericson

Shehzad Ali Ashraf

Fredrik Lindqvist

Rui Fan

Olof Liberg

Yutao Sui

Anders Furuskär

Stefano Sorrentino

Riikka Susitaival

Anders Wallén

Andreas Nilsson

Torbjörn Wigren

Johan Nilsson

Mats Folke

Arne Simonsson

Stefan Wänstedt

Mattias Frenne

Yufei W Blankenship

Leif Wilhelmsson

Gregory Edward Bottomley

Konstantinos Dimou

Mattias Bergström

Dirk Gerstenberger

Torsten Dudda

Helka-Liina Määttanen

Miguel Berg

Chenguang Lu

Prajwol Kumar Nakarmi

Zhenshan Zhao

The invention refers to a wireless device and to operating the wireless terminal, UE, connected to a serving network node associated to a serving cell of a radio access network, RAN, the method comprising: receiving system information from a neighbour cell of the serving cell, determining from the system information if the neighbour cell does or does not broadcast a global cell identifier, CGI, of the neighbour cell; and if the neighbour cell does not broadcast the CGI, transmitting a global cell identifier, CGI, report to the serving network node, wherein the CGI report includes an indication that the neighbour cell does not broadcast the CGI of the neighbour cell. The invention further refers to a corresponding network node and to a method performed in the network node.

Cell global identity reporting

Embodiments include methods for a user equipment (UE) configured to operate in a cellular radio access network (RAN). Such methods include receiving, from the cellular RAN, a measurement reporting configuration comprising identification of non-cellular signals, of one or more types, for which measurements are requested from the UE. Such methods include measuring at least the identified non-cellular signals and transmitting, to the cellular RAN, a measurement report including one or more of the following for each particular type of identified non-cellular signal: a first indication of whether the UE's corresponding non-cellular receiver was enabled during a measurement duration, and a second indication of whether the UE was out-of-coverage during the measurement duration in relation to all identified non-cellular signals of the particular type. Other embodiments include complementary methods for a network node, as well as UEs and network nodes configured to perform such methods.

User equipment (UE) reporting of non-cellular receiver status

A method performed by a target device to obtain positioning assistance data from a location server is provided. The target device and the location server are operating in a wireless communications network. The target device transmits a request to the location server. The request is a request for positioning assistance data and provides first logical position information. The target device obtains positioning assistance data from the location server. The positioning assistance data is based on the first logical position information. When being associated with a second logical position, the target device transmits a request to the location server. The request requests for positioning assistance data and provides second logical position information. The target device obtains positioning assistance data from the location server. The positioning assistance data is based on the second logical position information.

Obtaining and providing positioning assistance data

Embodiments include methods, performed by a network node, for providing positioning assistance data to one or more user equipment (UEs) in a wireless network. Such methods include determining an angular resolution of angular positioning assistance data for each particular beam of a plurality of beams transmitted by one or more transmission reception points (TRPs) in the wireless network. Such methods also include transmitting, to one or more UEs, the angular positioning assistance data for the plurality of beams. For each particular beam, the angular positioning assistance data includes a first part having a first resolution and, when the determined angular resolution for the particular beam is greater than the first resolution, a second part having a second resolution that is greater than the first resolution. Other embodiments include complementary methods performed by a UE, as well as network nodes and UEs configured to perform such methods.

Methods for signaling beam angular information for UE-based positioning

Embodiments include methods, performed by a network node, for providing positioning assistance data to one or more user equipment (UEs) in a wireless network. Such methods include determining relative location information for one or more transmission reception points (TRPs) in the wireless network based on absolute location information for an associated TRP in the wireless network. Such methods also include transmitting, to one or more UEs, positioning assistance data including the relative location information for the one or more TRPs. Other embodiments include complementary methods for a UE, as well as network nodes and UEs configured to perform such methods.

Relative positioning assistance information

Systems and methods for generating and configuring integrity parameters associated with positioning measurements and calculations are provided herein. Integrity KPIs can be defined by a network node for positioning assistance information and location information reporting, and can be provided to a wireless device to assist in assessing the integrity level associated with a positioning estimation.

Network assistance positioning integrity reporting

A method performed by a first base station for positioning in a cellular communication system includes receiving, at the first base station, a signal transmitted by a second base station and estimating a Time of Arrival (TOA) of the received signal at the first base station according to a clock of the first base station. The method further includes determining a delta value that is a function of an amount of time between the TOA of the received signal at the first base station and a time reference at the first base station and performing either, (a) providing the delta value to a positioning estimation entity within the cellular communications system or (b) using the delta value at the first base station to reduce a time synchronization error between the first base station and the second base station, or (c) passing the delta value to a User Equipment (UE).

Rx-tx time difference generation, measurement and reporting with neighboring base stations

A method for positioning reference signal configuration comprises receiving, from a network node, one or more first positioning reference signals in a first PRS configuration; performing one or more first measurements on the first PRS to determine one or more first characteristics of the one or more first PRSs; sending, to the network node, a second PRS configuration determined based on the one or more first characteristics; receiving, from the network node, a third PRS configuration, wherein the third PRS configuration comprises one or more third PRSs having at least one different signal characteristic than the one or more first characteristics of the first PRS; and performing one or more second measurements on the one or more third PRSs. The method provides a dynamic configuration for PRS based on the feedback from the UE and a location node, beamforming configuration, or any requirements for physical layer efficiently.

Method for dynamic configuration of reference signal

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

There is disclosed a method of operating a network node in a radio access network, the method including transmitting reference signaling based on a reference signaling configuration, the reference signaling configuration corresponding to a comb-n structure for a symbol group of a slot, wherein the reference signaling configuration corresponds to a staggered and/or re-ordered comb-n structure for one or more other symbol groups of the slot. The disclosure also pertains to related devices and methods.

Positioning reference signaling

Systems and methods for System Frame Number (SFN) Frame Time Difference (SFTD) reporting are disclosed. Embodiments of a method of operation of a User Equipment (UE) in a wireless network to perform SFTD measurements between a Primary Cell (PCell) of the UE and one or more other cells is provided. In some embodiments, the method comprises receiving, from a network node in the wireless network, a list of cells for which the UE can report SFTD measurements. The method further comprises performing SFTD measurements and reporting the SFTD measurements in accordance with the list of cells for which the UE can report SFTD measurements. In this manner, SFTD reporting is provided in an efficient manner.

SFTD and ANR specific reporting

A method of operating a wireless communication device of a radio communication network includes obtaining information identifying at least one of: 1) how often the wireless communication device requests assistance data be provided by a network node of the radio communication network for positioning by the wireless communication device; and 2) how often the wireless communication device performs positioning. The method can further include sending a request for assistance data containing the information toward the network node. Another method of operating a serving node that communicates with wireless communication devices and a network node of a radio communication network, includes requesting the network node to provide assistance information that identifies wireless communication devices that are configured to use assistance data from the network node for positioning and/or identifies wireless communication devices that have requested assistance data from the network node for positioning.

Configuration and reporting of location information in conjunction with MDT

According to one aspect of the disclosure, a location node configured to communicate with a wireless device is provided. The location node includes processing circuitry configured to: receive spatial information; determine the wireless device relationship between a first reference station and a second reference station based at least in part on the spatial information; compare a first integer ambiguity level of the first reference station with a second integer ambiguity level of the second reference station, the second reference station corresponding to a current reference station of the wireless device; and transmit an indication of an applicability of the first integer ambiguity level of the first reference station to the second integer ambiguity level of the second reference station for position estimation, the indication being based on the comparison of the first integer ambiguity level with the second integer ambiguity level.

Methods for indication of reference station GNSS RTK integer ambiguity level

A method performed by a user equipment, UE includes obtaining a Sounding Reference Signal, SRS, configuration from a network node and determining an SRS waveform and transmitting the SRS waveform. The SRS waveform is adapted for positioning based on the SRS configuration to have a full bandwidth within a bandwidth applicable for the SRS waveform.

Methods and apparatuses for positioning based on the sounding reference signal

A method performed by a wireless device for configured Minimization of Drive Test, MDT, reporting includes obtaining a MDT configuration. The obtained MDT configuration is for one or more of immediate MDT and logged MDT. The MDT configuration is for performing one or more measurements associated with a specific reference signal type, beam level, or positioning assistance data, and the obtained MDT configuration comprising one or more of: a reportOnLeaveconfiguration; a reportQuantityRS-Indexes configuration; a maxNrofRS-IndexesToReport configuration: and an rsType configuration. The wireless device performs the one or more measurements according to the MDT configuration and provides an MDT report based on the one or more measurements.

Minimization of drive test configuration details in new radio

Growing community of inventors

Linköping, Sweden

Fredrik Gunnarsson