Nokia Solutions and Networks Oy

Nokia Technologies Oy

Nokia Siemens Networks Oy

Hmd Global Oy

Toyota Jidosha Kabushiki Kaisha

Nokia Corporation

Ling Yu

Vinh Van Phan

Kari Veikko Horneman

Zexian Li

Jedrzej Stanczak

Nuno Manuel Kiilerich Pratas

Yang Liu

Peter Rost

Haitao Li

Seppo Ilmari Vesterinen

Kodo Shu

Xiang Xu

Amaanat Ali

Frank Frederiksen

Devaki Chandramouli

Klaus Ingemann Pedersen

Mikko Aleksi Uusitalo

Matti Einari Laitila

Hajo Bakker

Dawid Koziol

Yong Teng

Faranaz Sabouri-Sichani

Timo Koskela

Ilkka Antero Keskitalo

Olli Piirainen

Anand Bedekar

Samuli Heikki Turtinen

Timo Erkki Lunttila

Kari Juhani Hooli

Emad N Farag

Karol Schober

Tao Chen

Hannu Petri Hietalahti

Peter Szilagyi

Sami-Jukka Hakola

Tero Henttonen

Curt C Wong

Daniela Laselva

Juha Sakari Korhonen

Klaus Hugl

Anja Jerichow

Takayuki Shimizu

Yong Liu

John P Kenney

Yuanping Zhu

Jiang Wang

Jun Tan

Mikko Saily

Rainer Liebhart

Ping-Heng Kuo

Lianghai Ji

Markku Juha Vainikka

Jakob Lindbjerg Buthler

Torsten Wildschek

Manivannan Thyagarajan

David Navratil

Yixue Lei

Prajwal Keshavamurthy

Berthold Panzner

Daniel Medina

Jani Moilanen

Andrea Cattoni

Hai Tao Li

Christian Mahr

Ottmar Aumann

Bikramjit Singh

Rudraksh Shrivastava

Matti Tapani Kiiski

Thomas H Jacobsen

Oliver Blume

Vladimir Vukadinovic

Carlos Santiago Morejon Garcia

Bernhard Wegmann

Diomidis Michalopoulos

Gyorgy Tamas Wolfner

Antti Piipponen

Rakash Sivasiva Ganesan

Kari Juhani Niemela

Johanna Katariina Pekonen

Michael F Dolan

Jianguo Liu

Csaba Vulkan

Jari Olavi Lindholm

Jyri Kalervo Hamalainen

David Navrátil

Kalle Petteri Kela

Mark Doll

Renato Barbosa Abreu

Naizheng Zheng

Taylan Sahin

Markus Isomaki

György Tamás Wolfner

Qiaoling Yu

Antti-Veikko Sakari Piipponen

Hans Thomas Höhne

Nuno Pratas

Csaba Vulkán

Jaakko Eino Ilmari Vihriala

Lars Holst Christensen

Laura Luque Sanchez

A method may include monitoring, by a source user equipment communicating with a destination user equipment by an indirect communication path via a relay user equipment, sidelink control information from the relay user equipment. The method may also include determining a first set of conditions and a second set of conditions based on the sidelink control information received from the relay user equipment. The method may further include transmitting, when the first set of conditions is met, at least one of a first sidelink message to the destination user equipment according to a first pattern, or a second sidelink message to the relay user equipment according to a second pattern. In addition, the method may include monitoring a sidelink feedback from the destination user equipment to the relay user equipment when the second set of conditions is met according to a third pattern.

Path switching in user equipment to user equipment relay

Systems, methods, apparatuses, and computer program products for device-to-device (D2D) assisted 5G timing synchronization by enabling or disabling time compensation are provided. One method may include determining to initiate a procedure to determine whether to enable or disable propagation delay (PD) compensation for acquiring 5G system (5GS) timing with a sidelink (SL) group of user equipment. When it is determined to initiate the procedure, the method may include transmitting propagation delay (PD) information of the user equipment as a sidelink (SL) groupcast message over a sidelink (SL) control channel to at least one of the group of user equipment, receiving at least one of acknowledgement or nonacknowledgement from one or more of the group of user equipment, and determining whether to enable or disable the propagation delay (PD) compensation based on the received acknowledgement or nonacknowledgement from the group of user equipment.

Device-to-device assisted timing synchronization

An apparatus comprises at least one processor and at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to perform generating assistance information for a network node. The network node provides a grant of resources for sidelink communications between the apparatus and at least one receiving user equipment. The receiving user equipment is configured to operate in a discontinuous reception mode comprising a discontinuous reception cycle with an active time and an inactive time. The assistance information comprises a plurality of elements indicative of characteristics of the sidelink communications and at least one of the plurality of elements comprises an indication of the discontinuous reception mode of the receiving user equipment.

Allocating resources for direct user equipment communication

The method includes a processor of a first UE receiving first group information for a user group with user-device members, the first group information including information for mapping a sidelink channel resource for each of the user-device members to perform a groupcast communication over sidelink for the user group, the first UE being a user-device member of the user group. The method further includes receiving second group information for transmitting data within the groupcast communication, the second group information including updated information of the first group information that is specific to the first UE, initiating a first transmission process to transmit a first data block to the user group for the groupcast communication over the sidelink based on the first group information, and adapting the first transmission process of the first data block based on the second group information.

Method of sidelink groupcasting, and network node thereof

Systems, methods, apparatuses, and computer program products for user equipment behavior with respect to hybrid automatic repeat request retransmission in new radio sidelink co-existence scenarios with another technology are provided. For example, a method can include enabling, for a receiving user equipment, hybrid automatic repeat request negative acknowledgement only feedback. The method can also include first determining whether to condition negative feedback on at least one first condition, or second determining whether negative feedback is conditioned on at least one second condition. The method can further include third determining whether to retransmit a message according to hybrid automatic repeat request according to results of the first determining or the second determining. The method can additionally include communicating with the receiving user equipment based on a result of the third determining.

User equipment behavior of hybrid automatic repeat request retransmission in new radio sidelink co-existence scenario with other technology

One embodiment is directed to a method. The method comprises receiving a configuration of a resource pool for sidelink communication; determining there is a need for assistance from one or more other UEs in proximity in resource reservation or resource selection from the configured resource pool for SL communication of the UE; sending a request over SL for the needed assistance from the one or more other UEs in proximity based on the determination; monitoring and receiving possible response from the one or more other UEs in proximity which may include recommended resource from the configured resource pool for the request of UE; selecting resource for SL communication of the UE by taking into account the received response; and performing SL communication using the selected resource.

Apparatus and method for sidelink discontinuous reception

According to a first embodiment, a method may include transmitting, by a first user equipment, at least one sidelink failure indication using at least one sidelink failure recovery-specific configuration. The method may further include receiving, by the first user equipment, at least one sidelink failure response. The method may further include determining, by the first user equipment, at least one source-specific sidelink recovery mode associated with the at least one sidelink failure recovery-specific configuration.

Failure recovery of sidelink with beamforming

Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of resource pool configuration and usage for V2X. The method comprises receiving, at a first device, information of a set of resource pools allocated for a predetermined area from a second device and a usage pattern for the set of resource pools from a third device, the usage pattern at least indicating an association between the set of resource pools and at least one property of the predetermined area. The method further comprises determining at least one attribute of the first device related to the at least one property and determining a target resource pool for communication from the set of resource pools based on the at least one attribute, the information and the usage pattern. In the solution, the V2X control device may coordinate the resource pool configuration with the network device and determine polices for the usage of the resource pool. In this way, the resource pool can be configured more efficient for V2X packet distribution and reception.

Resource pool configuration and usage for V2X

A method for positioning in a sidelink communication. The method includes detecting, by an anchor component, a presence of at least one user equipment; and activating, by the anchor component, a transmission of a positioning reference signal to the user equipment responsive to the detected presence of the at least one user equipment.

Transmission of positioning reference signals for sidelink communications

Systems, methods, apparatuses, and computer program products for selecting and/or applying a sidelink (SL) transmission mode are provided. One method may include configuring, by a network node, at least one sidelink (SL) user equipment (UE) to use simultaneous sidelink (SL) mode 1 and mode 2 for one or more sidelink (SL) logical channels (LCHs). The method may also include configuring the at least one sidelink (SL) user equipment (UE) with a plurality of transmission patterns related to the use of the sidelink (SL) mode 1 or mode 2.

Methods and apparatuses to exploit simultaneous mode 1 and mode 2 for load balancing and mode switching

Systems, methods, apparatuses, and computer program products for emergency sessions, such as emergency calls, using a relay provided by proximity services are provided. For example, a method may include indicating, in a relay discovery procedure, a capability of a relay user equipment to support an emergency call. The method can alternatively or in addition include receiving, in the relay discovery procedure, an indication of a need of a remote user equipment to conduct an emergency call.

Proximity services emergency call

A method and an apparatus for a second user equipment, that causes the apparatus to perform: determining whether a synchronization signal has been received during a first set of synchronization resources; and when it is determined the synchronization signal was received, determining that the apparatus is allowed to use communication resources during a second set of synchronization resources for a first sidelink communication; and when it is determined the synchronization was not received, abstaining from using the communication resources during the second set of synchronization resources for a first sidelink communication; and monitoring the second set of synchronization resources for a synchronization signal.

Apparatus and method

Systems, methods, apparatuses, and computer program products for monitoring PC5 interface to radio resource control (PC5-RRC) configuration procedure, e.g., in new radio (NR) sidelink (SL) mode 1, are provided. One method may include configuring a SL user equipment (UE) with behaviors for handling and monitoring PC5-RRC procedures and one or more related timers by taking into account a status of an interface between the SL UE and the network node.

Enhancement for monitoring PC5 to radio resource control (RRC) configuration procedure in new radio (NR) sidelink (SL)

Systems, methods, apparatuses, and computer program products for facilitating sidelink mode 2 random selection for support of sidelink DRX. A method may include receiving, with a first user equipment from a network node, an allocation of one or more physical sidelink control channel resources, wherein the first user equipment is configured to perform sidelink discontinuous reception. The method may also include performing autonomous selection of one or more resources of a physical sidelink shared channel from a resource pool. The method may further include performing sidelink communication with at least one of a resource of the one or more allocated physical sidelink control channel resources, or a resource of the one or more selected resources of the physical sidelink shared channel.

Facilitating sidelink mode 2 random selection for support of sidelink DRX

In accordance with example embodiments of the invention there is at least a method and apparatus to perform determining, by a network node, context information of a group of more than one user equipment, wherein the context information is based on at least service related information associated with the more than one user equipment; sending information comprising the context information towards at least one base station of a communication network; and based on the context information, negotiating with the at least one base station timing synchronization requirements for distribution to each user equipment of the group. Further, there is at least a method and an apparatus to perform receiving from a network node, by a network device of a communication network, information comprising context information associated with a group of more than one user equipment, wherein the context information is based on at least service related information associated with the more than one user equipment; based on the information, negotiating with the network node timing synchronization requirements for distribution to each user equipment of the group; and in response to the negotiating, selecting at least one network device of the communication network for the distribution by the at least one network device of the timing synchronization requirements to each user equipment of the group of more than one user equipment.

Time synchronization enhancement for a group of UE

Growing community of inventors

Kauniainen, Finland

Ling Yu