Telefonaktiebolaget Lm Ericsson (publ)

Zhenhua Zou

Yufei W Blankenship

John Walter Diachina

Muhammad Ali Kazmi

Robert Baldemair

Siva Dharshan Muruganathan

Shiwei Gao

Stefan Parkvall

Jung-Fu Cheng

Daniel Chen Larsson

Henrik Enbuske

Paul Schliwa-Bertling

Yi-Pin Eric Wang

Ajit Nimbalker

Stefan Wager

Torsten Dudda

Xingqin Lin

Ali Behravan

Gustav Wikström

Jonas Fröberg Olsson

Zhan Zhang

Shehzad Ali Ashraf

Min Wang

Magnus Stattin

Sorour Falahati

Joachim Sachs

Jose Luis Pradas

Qianxi Lu

Pradeepa Ramachandra

Mårten Sundberg

Santhan Thangarasa

Mattias Bergström

Miguel Lopez

Kumar Balachandran

Osman Nuri Can Yilmaz

Niklas Andgart

Pontus Wallentin

Helka-Liina Määttanen

Mattias Andersson

Laetitia Falconetti

János Farkas

Ying Sun

Sándor Rácz

Jens Bergqvist

Dinand Roeland

Henrik Rydén

Nianshan Shi

Stefano Ruffini

György Miklós

Patrik Salmela

Bernard Smeets

Anna Larmo

Sara Sandberg

José Araújo

Yu Wang

Magnus Sandgren

Balázs Varga

Helka-Liina Määttänen

Malik Wahaj Arshad

Geza Szabo

Jonas Sedin

Kittipong Kittichokechai

Florent Munier

Kazuyoshi Uesaka

Harald Gustafsson

Abdulrahman Alabbasi

Caner Kilinc

Hazhir Shokri Razaghi

Björn Hofström

Efthymios Stathakis

Attila Takács

Mirsad Cirkic

Per Persson

Alexey Shapin

Norbert Reider

Sebastian Euler

Vijaya Yajnanarayana

Luis Felipe Del Carpio Vega

Joakim Persson

Zsolt Kenesi

András Kern

Gabor Nemeth

Kun Wang

Talha Khan

Alexandros Palaios

Bikramjit Singh

Majid Gerami

Icaro Leonardo Da Silva

Dhruvin Patel

Hubertus Andreas Munz

Sakib Bin Redhwan

Johan Lundsjö

Gábor Németh

Mårten Wahlström

Géza Szabó

Divya Peddireddy

Anders Höglund

Andras Kern

Johannes Nygren

Daniel Larsson

A method performed by a transmitting device, in a 3GPP wireless communicationsystem (), for handling generalized Precise Timing Protocol (gPTP) signaling, from a Time Sensitive Network (TSN) is provided. The transmitting device receives () a gPTP frame from the TSN network. The gPTP frame comprises time information, an indication of a time domain related to the time information and/or a Medium Access Control (MAC) address of a second end station connected to a receiving device. Basedon the indication of the time domain and/or the MAC address, the transmitting device determines () the receiving device which the gPTP frame relates to. The transmitting device transmits (), to the determined receiving device, the gPTP frame in a PDU session related to the determined receiving device.

Devices and methods for handling precise timing protocol frames

Embodiments include methods for a user equipment (UE) to synchronize timing with a wireless network. Such methods include receiving, from a first node serving a first cell in the wireless network, a first message that includes an absolute reference time and a corresponding reference event within downlink, DL, transmissions by the first node; and determining whether the UE received, from the first node, a timing adjustment value from which the UE can estimate a propagation delay of the DL transmissions. Such methods include, based on determining that the UE did not receive the timing adjustment value, performing one of the following: transmitting, to the first node, an indication that the UE did not receive the timing adjustment value; or declaring radio link failure with respect to the first cell and establishing a connection with a second cell capable of providing the information included in the first message.

Handling reference time delivery failure in a time-sensitive network (TSN)

Embodiments include methods for a second node configured to serve a second cell in a wireless network. Such methods include receiving, from a first node, a mobility-related message including information associated with a plurality of first reference time information messages transmitted by the first node to a user equipment (UE). Such methods include, based on the received information, determining whether the second node can support reference time information delivery to the UE in the second cell. Such methods include, based on determining that the second node can support reference time information delivery to the UE, transmitting one or more second reference time information messages to the UE, each second reference time information message including an absolute reference time and a corresponding reference event within downlink transmissions by the second node. Other embodiments include complementary methods for the first node and network nodes configured to perform such methods.

Reference time delivery during mobility operations in a time-sensitive network (TSN)

According to certain embodiments, a method performed by a wireless device comprises receiving a first grant and a second grant from a network node. The first grant and the second grant are overlapping. The method comprises determining a prioritized one of the first grant and the second grant and constructing a Medium Access Control (MAC) Protocol Description Unit (PDU) for the prioritized grant of the first grant and the second grant. According to certain embodiments, a method performed by a network node comprises transmitting a first grant and a second grant to a wireless device. The first grant and the second grant are overlapping. The method comprises receiving a transmission from the wireless device on a prioritized one of the first grant and the second grant.

Multiple grant handling in mixed services scenarios

Apparatuses and methods are disclosed for pre-emption priority level for Uplink Control Information (UCI) and/or Physical Uplink Shared Channel (PUSCH) conflict resolution. In one embodiment, a method implemented in a network node includes indicating to a wireless device (WD) a priority associated with at least one uplink (UL) channel; and receiving at least one UL signal based at least in part on the indicated priority. In another embodiment, a method implemented in a WD includes determining a priority associated with at least one of at least two uplink (UL) channels; and resolving a conflict between the at least two uplink channels based at least in part on the determined priority.

Pre-emption priority level for uplink control information (UCI) and physical uplink shared channel (PUSCH) conflict resolution

According to certain embodiments, a method performed by a wireless device comprises receiving a first grant and a second grant from a network node. The first grant and the second grant are overlapping. The method comprises pre-empting a transmission for the first grant based on prioritizing a transmission for the second grant. The method comprises controlling a timer used in a hybrid automatic repeat request (HARQ) process associated with the first grant based on pre-empting the transmission for the first grant.

Configured grant timer in intra-user equipment multiplexing

Embodiments herein disclose e.g. a method performed by user equipment, UE, () for handling uplink, UL, communications in a wireless communication network. The UE () receives from a radio network node (), an indication with an uplink grant, wherein the indication indicates that a radio resource scheduled by the UL grant for UL transmission is for a type of data. The UE () uses the radio resource for transmission of that type of data.

Radio network node, user equipment (UE) and methods performed in a wireless communication network

A method, system and apparatus are disclosed. According to one or more embodiments, a wireless device is provided. The wireless device includes processing circuitry configured to determine a first priority of UCI based at least in part on a UCI type where the UCI is preempted by a preempting scheduled uplink shared channel data transmission, and determine whether to include the UCI in the preempting scheduled data transmission based at least in part on the first priority.

Uplink control information pre-emption

A hybrid automatic repeat request (HARQ) process for cells configurable for multiple uplink grants is provided. A new rule to define the HARQ process identifiers (IDs) for configured grant is introduced, in cases when multiple configured grant configurations are used. In some embodiments, a method performed by a wireless device for a HARQ process in a cell configurable for multiple configured uplink grants is provided. The method comprises receiving an uplink grant comprising a HARQ process ID; determining that a HARQ process associated with the HARQ process ID is configured for a configured uplink grant based on a HARQ process ID offset; and starting or restarting a configured grant timer for the HARQ process. Selectively starting the configured grant timer depending on whether an identified HARQ process belongs to one of the multiple configured grant configurations, enables the gNB flexibility to schedule retransmissions or not.

HARQ process for cells configured for multiple configured uplink grants

A method in a user equipment, UE, for reporting channel state information, CSI, to a network includes determining a number of subbands of a bandwidth part, BWP, to report CSI. The method further includes determining a CSI computation time including a CSI computation delay requirement. The method further includes performing CSI estimation for a plurality of the number of subbands based on the CSI computation time. The method further includes reporting the CSI report for at least one of the number of subbands. Analogous UEs, computer programs and computer program products are also provided.

On subband configuration for reduced CSI computation time

According to an aspect, there is provided a method performed by a wireless device for performing Packet Data Convergence Protocol, PDCP, entity re-establishment. The wireless device is acting as a Packet Data Convergence Protocol, PDCP, receiving entity. The method comprises receiving () a request to perform PDCP entity re-establishment; responsive to the request, resetting () a header compression protocol by discarding any contexts associated with the header compression protocol, and refraining () from transmitting feedback associated with the header compression protocol to a PDCP transmitting entity.

Methods and apparatuses for providing header compression protocol reset

A method performed by a terminal in a wireless network for determining whether to cancel a scheduling request is provided. The method includes determining that a scheduling request is triggered for requesting an uplink resource for transmission of data to a network node. The method further includes, responsive to an uplink grant from the network node, transmitting the scheduling request to the network node without a cancellation of the scheduling request occurring due to a buffer status report indicator included in a protocol data unit of the terminal.

Methods for scheduling request cancelation when colliding with uplink-shared channel and related apparatuses

Systems and methods for configuring UEs with overlapping PUCCH resources for transmitting scheduling requests are provided. A network node can transmit a scheduling request configuration message indicating PUCCH resources, including a periodicity parameter being less than the PUCCH length. A wireless device can configure PUCCH resources in accordance with the configuration message and transmit a scheduling request.

System and methods for configuring user equipments with overlapping PUCCH resources for transmitting scheduling requests

Systems and methods for dynamic and flexible configurations for configured grants are provided. In some embodiments, a method performed by a wireless device for configuring uplink grants includes receiving, from a network node, one or more indications to enable one or more configured grant configurations per cell and/or per BWP where at least one configured grant configuration indicating a plurality of transmission occasions within a period. The method also includes transmitting at least one transmission based on the at least one configured grant configuration. This may enable the use of different periodicity of mixed Time Sensitive Network (TSN), random Ultra-Reliable Low-Latency Communication (URLLC), and enhanced Mobile Broadband (eMBB) traffics; reduce the misalignment delay of the arrived data; improve the spectral efficiency of the eMBB traffic while satisfying the URLLC requirement; and/or reduce the number of Hybrid Automatic Repeat Request processes needed to transmit a considerable number of Configured Grant configurations.

Dynamic and flexible configurations for configured grants

Systems and methods are disclosed for random access in a wireless communication system such as, e.g., a wireless communication system having a non-terrestrial (e.g., satellite-based) radio access network. Embodiments of a method performed by a wireless device and corresponding embodiments of a wireless device are disclosed. In some embodiments, a method performed by a wireless device for random access comprises performing an open-loop timing advance estimation procedure to thereby determine an open-loop timing advance estimate for an uplink between the wireless device and a base station. The method further comprises transmitting a random access preamble using the open-loop timing advance estimate. In this manner, random access can be performed even in the presence of a long propagation delay such as that present in a satellite-based radio access network. Embodiments of a method performed by a base station and corresponding embodiments of a base station are also disclosed.

Random access procedures for satellite communications

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Solna, Sweden

Zhenhua Zou