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

Lars Dalsgaard

Esa Tapani Tiirola

Antti Tölli

Jussi-Pekka Koskinen

Ilkka Antero Keskitalo

Jari Hulkkonen

Jari Yrjänä Hulkkonen

Carlos Morais De Lima

Antti Tolli

Kari Pekka Pajukoski

Juha Sakari Korhonen

Olli Piirainen

Keeth Saliya Jayasinghe Laddu

Markku Juha Vainikka

Youngsoo Yuk

Karl Marko Juhani Lampinen

Ankit Bhamri

Kyoungmin Park

Satya Krishna Joshi

Italo Atzeni

Dileep Kumar

Antti Arvola

Rapeepat Ratasuk

Esa Mikael Malkamaki

Nitin R Mangalvedhe

Karol Schober

Mikko Säily

Diomidis Michalopoulos

Anna Pantelidou

Filippo Tosato

Joerg Schaepperle

Matti Juhani Pikkarainen

Petri Komulainen

Ville Vartiainen

Harri Pennanen

Shashika Manosha Kapuruhamy Badalge

Onel Alcaraz López

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

Various example embodiments relate to positioning of a target node. A positioning report may comprise positioning assistance measurements from the target node and at least one anchor node, wherein the positioning assistance measurements are associated with angular differences between a pair of uplink and/or downlink transmission and/or reception beam directions. Apparatuses, methods, and computer pro-grams are disclosed.

Spatial domain measurements for beam based positioning

The method includes performing at least one first monitoring of a power savings channel of a physical downlink control channel (PDCCH) for control information, the PDCCH being associated with at least one base station, the control information including a power saving downlink control information (PS-DCI) format, the control information providing an indication to start a timer for an ON duration of a discontinuous reception (DRX) cycle for a user equipment (UE) to monitor the PDCCH. The method further includes performing a random-access channel (RACH) procedure with the at least one base station based on the control information. The network node performs the method.

Method for determining an initiation of random access procedure for a user equipment configured with power savings, and network node thereof

Methods and apparatus, including computer program products, are provided for beamforming control. In some example embodiments, there may be provided a method. The method may include providing, by a user equipment configured to include a plurality of antenna panels, capability information to a base station, the capability information including antenna panel information regarding the plurality of antenna panels; and providing, by the user equipment, antenna panel usage information to the base station, the antenna panel usage information indicative of which of the plurality of antenna panels are in at least one of an active transmit state or an active receive state. Related systems, methods, and articles of manufacture are also disclosed.

Facilitating user equipment beamforming control

Systems, methods, apparatuses, and computer program products for applying beam diversity for multi-slot physical downlink shared channel (PDSCH) are provided. One method may include receiving configuration of a multi-slot transmission mode for a multi-slot communication channel. The method may also include receiving, based on the configuration of the multi-slot transmission mode, transmission configuration indications of a plurality of transmit beams for slots in the multi-slot communication channel. A selected set of candidate transmit beams may be received among the plurality of transmit beams for the slots in the multi-slot communication channel. The method may also include determining, among the selected set of candidate transmit beams, which transmit beam is used for each slot in the multi-slot communication channel, and applying a reception beam corresponding to each transmit beam used for each slot in the multi-slot communication channel.

Beam diversity for multi-slot communication channel

Systems, apparatuses, and methods of beam reporting for rank enhancement are provided. One method may include defining an enhanced beam reporting criteria for user equipment (UE) beam reporting. The enhanced beam reporting criteria may be used for transmission rank enhancement. The method may also include configuring at least one userequipment (UE) with the enhanced beam reporting criteria, and receiving at least one beam report, from the at least one user equipment (UE), according to the enhanced beam reporting criteria configured to the at least one user equipment (UE).

Beam reporting for rank enhancement

Growing community of inventors

Oulu, Finland

Juha Pekka Karjalainen