Nokia Technologies Oy

Nokia Solutions and Networks Oy

Broadcom Corporation

Nokia Siemens Networks Oy

Nokia Corporation

Avago Technologies International Sales Pte. Limited

Juha Pekka Karjalainen

Timo Koskela

Sami-Jukka Hakola

Mihai Enescu

Jorma Johannes Kaikkonen

Sami Hakola

Samuli Heikki Turtinen

Antti Tölli

Lars Dalsgaard

Esa Tapani Tiirola

Keeth Saliya Jayasinghe Laddu

Jari Yrjänä Hulkkonen

Carlos Morais De Lima

Jussi-Pekka Koskinen

Ilkka Antero Keskitalo

Jari Hulkkonen

Dileep Kumar

Italo Atzeni

Kari Pekka Pajukoski

Juha Sakari Korhonen

Olli Piirainen

Diomidis Michalopoulos

Youngsoo Yuk

Markku Juha Vainikka

Karl Marko Juhani Lampinen

Ankit Bhamri

Satya Krishna Joshi

Kyoungmin Park

Antti Arvola

Rapeepat Ratasuk

Frederick W Vook

Esa Mikael Malkamaki

Nitin R Mangalvedhe

Karol Schober

Samantha Caporal Del Barrio

Mikko Säily

Filippo Tosato

Anna Pantelidou

Joerg Schaepperle

Paolo Baracca

Ali Karimidehkordi

Matti Juhani Pikkarainen

Petri Komulainen

Ville Vartiainen

Shashika Manosha Kapuruhamy Badalge

Onel Alcaraz López

Harri Pennanen

Bikshapathi Gouda

Antti TÖLLI

There is provided a method for a user equipment. UE, of a wireless communication network, the method comprising: obtaining a first measurement data associated with a determined position of the UE and second measurement data, the first and second measurement data obtained by performing measurements by the UE; obtaining a difference value indicative of a difference between at least one measurement value of the first measurement data and at least one measurement value of the second measurement data; comparing the difference value with at least one repositioning threshold value provided by the wireless communication network to the UE; and if the difference value exceeds the at least one repositioning threshold value, triggering a transmission of a repositioning request to a network node of the wireless communication network.

Enhancing positioning efficiency

According to various examples, there is provided a User Equipment, UE, comprising means for: receiving an indication of a type of parameter to be reported by the UE, wherein the type of parameter characterises one or more receive, Rx, of the UE via which one or more Reference Signals, RSs, are received; determining one or more values of the indicated type of parameter for at least one of the one or more RSs received by at least one of the one or more Rx beams of the UE; and sending information indicative of the determined one or more values of the indicated type of parameter for the at least one of the one or more RSs received by the at least one of the one or more Rx beams of the UE.

Beam management

Methods and apparatus, including computer program products, are provided for control channel monitoring. In some example embodiments, there may be provided a method that includes receiving, at user equipment, an indication of a codepoint activation, wherein the codepoint activation indicates that a transmission configuration indicator state being activated is associated with a second physical cell identifier different from a first physical cell identifier of a serving cell of the user equipment, and in response to the transmission configuration indicator state being activated in association with the second physical cell identifier, suspending control channel monitoring of at least one set of core resources associated with the first physical cell identifier of the serving cell of the user equipment. Related systems, methods, and articles of manufacture are also disclosed.

Control channel monitoring rules for inter-cell beam management

Systems, methods, apparatuses, and computer program products for beam group-based downlink transmit beam indication. Certain embodiments may provide enhancements related to physical layer design for multiple input multiple output and/or enhancements for a beam indication framework for scenarios with multiple transmission reception points and user equipment equipped with multiple antenna panels. A network node may transmit, and a user equipment may obtain, information indicating that one or more activated transmission configuration indictor states are associated with a set of beam groups.

Beam group-based downlink transmit beam indication

There are provided measures for efficient provision of positioning reference signal transmissions. Such measures exemplarily comprise, at of a location service control entity in a mobile network providing positioning reference signals for location determination, deciding to suspend positioning reference signal transmission using a first positioning reference signal resource, and configuring, upon a result of said deciding to suspend said positioning reference signal transmission, an access node supplying at least one location determination target with said positioning reference signal transmission using said first positioning reference signal resource, to suspend said positioning reference signal transmission.

Efficient provision of positioning reference signal transmissions

According to an example aspect of the present disclosure, there is provided a method comprising receiving a message at a user equipment (UE) from a base station (BS) the message including a constraint threshold, receiving a message at the UE from the BS the message including a fallback beam reporting mode, performing by the UE downlink (DL) reference signal (RS) measurements, determining by the UE a difference between DL RS measurements, and in response to determining the difference between DL RS measurements is not less than the constraint threshold switch to the fallback beam reporting mode.

Group based beam reporting

Systems, methods, apparatuses, and computer program products for facilitating explicit latency mode determination in beam switching. One method may include receiving, by a user equipment, at least one beam switch command from at least one network entity. The user equipment may further determine at least one latency and switching mode, and perform beam switch based on the at least one latency and switching mode.

Facilitating explicit latency mode determination in beam switching

A terminal node for a radio network comprising means for: receiving multiple positioning reference signals transmitted from respective transmission reception points of a network; determining time of arrival of the multiple positioning reference signals received from the respective transmission reception points; measuring at least a received signal quality metric for the multiple received positioning reference signals; processing, at least the multiple respective received signal quality metrics for the multiple received positioning reference signals, to trigger a received signal quality decision; and in response to the received signal quality decision, informing the network. A node of a radio network comprising means for: enabling transmission of multiple positioning reference signals from respective transmission reception points of a network; being informed of a received signal quality decision made at the terminal node in respect of measured received signal quality metrics for the transmitted positioning reference signals received at the terminal node; and in response, causing adaptation of transmission of signals in the network.

System and method for enhanced UE positioning using multi-source PRS

Embodiments of the present disclosure disclose devices, methods and apparatuses of coherent joint transmission. A terminal device may receive a QCL source configuration from a network device. The QCL source configuration may indicate at least two transmission configuration indication (TCI) states that indicate reference signals from valid QCL sources for a coherent joint transmission (CJT) of tracking reference signals (TRSs). The terminal device may perform a QCL property estimation on received TRSs based on the QCL source configuration.

Devices, methods, and apparatuses of coherent joint transmission

Examples of the present disclosure relate to User Equipment positioning. Certain examples provide an apparatus (), for example such as a RAN node () or a Location server (), configured to: determine Position Reference Signal, PRS, configuration information () comprising information for enabling a network element, for example such as a UE () or a RAN node (), of a RAN () to: send a PRS (), wherein the PRS comprises: a first portion () of the PRS configured to be sent in a first time interval (T) over a first frequency range (fr); a second portion () of the PRS configured to be sent in a second time interval (T), different to the first time interval, over a second frequency range (fr), wherein the second frequency range partially overlaps the first frequency range thereby defining an overlapping frequency range (ofr); and wherein a subrange of frequencies (ufr) of the second frequency range is not used to send the second portion of the PRS; and send, the PRS configuration information to the network element of the RAN.

User equipment positioning

According to an example aspect of the present invention, there is provided a method comprising, determining at least one anchor control resource set among a plurality of control resource sets, wherein each of the at least one anchor control resource set defines a spatial source for multiple signal types, said multiple signal types comprising different downlink and uplink signals and channels, determining whether or not a given signal type is to inherit a spatial source of one of the at least one anchor control resource set and applying, in case of a positive determination, the spatial source of the at least one anchor control resource set for at least one signal of the given signal type.

Beam management in cellular communication networks

According to an example aspect of the present invention, there is provided a method which includes detecting a failure. After detecting the failure, determining an association in response to identifying a new candidate beam for beam failure recovery, wherein the association is between a control resource set and at least one of a particular index and a beam failure recovery request. The method may also include transmitting a failure recovery request based on the association.

Failure recovery in cellular communication networks

Devices, methods and computer programs for compensation of residual time-frequency error(s) in communications between a network node device and a client device are disclosed. A network node device determines an auxiliary reference signal indication comprising presence information and location information of an auxiliary reference signal in a physical downlink channel transmission. The network node device transmits to the client device the auxiliary reference signal associated with a physical downlink channel in accordance with the determined auxiliary reference signal indication. The client device uses the received auxiliary reference signal for the compensation of the residual time-frequency error(s) in the communications.

Compensation of residual time-frequency errors in communications

An example method, apparatus, and computer-readable storage medium are provided for enabling beam based discovery and direct connectivity using network assisted beam discovery and corresponding signaling to at least reduce sweep time and beam acquisition for D2D discovery operations. In an example implementation, the method may include determining, by a network device of a communication network, information including an indication of at least one of data, a control element, or a relative reference point for identifying a beam sweeping angular spread for device-to-device discovery operations for device-to-device communication. The example method may further include sending towards a set of network nodes the information for the device-to-device discovery in the communication network.

Facilitating network assisted overhead reduction in D2D discovery procedure

An apparatus for a terminal has means for storing a first configuration for measurement reporting on downlink reference signals, wherein one or more downlink reference signals correspond to one of a plurality of states for a first channel. The apparatus also has means for receiving an activation of a first state of the plurality of states for the first channel, and determining a second configuration for measurement reporting based on the first configuration for measurement reporting and the received activation of the first state, wherein the second configuration for measurement reporting configures the terminal to report measurements on a first downlink reference signal corresponding to the first state.

Wireless communication system

Growing community of inventors

Oulu, Finland

Juha Pekka Karjalainen