Telefonaktiebolaget Lm Ericsson (publ)

Kittipong Kittichokechai

Yufei W Blankenship

Jonas Fröberg Olsson

Gustav Wikström

Mattias Andersson

Sorour Falahati

Mårten Sundberg

Niklas Andgart

Ali Behravan

Zhenhua Zou

Jianwei Zhang

Yi-Pin Eric Wang

Robert Baldemair

John Walter Diachina

Johan Mikael Bergman

Siva Dharshan Muruganathan

Andreas Höglund

Henrik Enbuske

Muhammad Ali Kazmi

Mattias Frenne

Paul Schliwa-Bertling

Pål Frenger

Shiwei Gao

Martin Hessler

Pradeepa Ramachandra

Joachim Sachs

Kumar Balachandran

Yutao Sui

Torsten Dudda

Riikka Susitaival

Jose Luis Pradas

Anders Wallén

János Farkas

Sándor Rácz

Dinand Roeland

György Miklós

Stefano Ruffini

Patrik Salmela

Nianshan Shi

Tuomas Tirronen

Bernard Smeets

Anna Larmo

Sara Sandberg

José Araújo

Magnus Sandgren

Balázs Varga

Florent Munier

Geza Szabo

Harald Gustafsson

Hieu Do

Mehrnaz Afshang

David Sandberg

Per Persson

Alexey Shapin

Norbert Reider

Joakim Persson

Abdulrahman Alabbasi

Zsolt Kenesi

András Kern

Talha Khan

Alexandros Palaios

Kun Wang

Gabor Nemeth

Bikramjit Singh

Majid Gerami

Hubertus Andreas Munz

Mohammad Mozaffari

Dhruvin Patel

Efthymios Stathakis

Sandeep Narayanan Kadan Veedu

Johan Lundsjö

Gábor Németh

Mårten Wahlström

Géza Szabó

Andras Kern

Johannes Nygren

Miguel Lopez

Anders Höglund

Muhammad Ikram Ashraf

Yi-Ju Chen

Saeedeh Moloudi

Balazs Varga

Per Skarin

Torgny Holmberg

Zhilan Xiong

Malgorzata Svensson

Fedor Chernogorov

Wolfgang Tonutti

Jeong Hun Kim

Rodrigo Berg

Jonas FRÖBERG Olsson

Jonas Olsson Fröberg

Norberg Reider

Systems and methods for providing feedback are provided. In some embodiments, a method performed by a wireless device includes: determining a set of occasions for candidate PDSCH receptions taking into account the number of sub-slots in an uplink slot; determining a set of occasions for Semi-Persistent Scheduling (SPS) PDSCH releases taking into account the number of sub-slots; the number of sub-slots is used to scale the number of downlink slots within an uplink slot when determining a set of occasions for candidate PDSCH receptions; and the number of sub-slots is used to scale the number of downlink slots within an uplink slot when determining a set of occasions for SPS PDSCH releases. Some embodiments allow for a full support of Type-1 HARQ-ACK codebook for subslot-based HARQ-ACK. Some embodiments are simple to implement into the specification and preserve the existing behavior for the slot-based Type-1 HARQ-ACK codebook determination.

Type-1 HARQ-ACK codebook in PUCCH for sub-slot HARQ-ACK

According to some embodiments, a wireless device is operating in communication with two or more serving cells wherein at least one serving cell of the two or more serving cells is configured for release 16 reporting of physical downlink control channel (PDCCH) monitoring capabilities. The wireless device performs a method comprising transmitting a first parameter representing a release 16 PDCCH monitoring capability of the wireless device to a network node and determining a maximum number of PDCCH candidates and a maximum number of non-overlapped control channel elements (CCEs) based on a maximum number of release 16 capable serving cells, which is determined based on the transmitted first parameter.

CA limit for different PDCCH monitoring capabilities

A method by a wireless device includes determining a value of a Sounding Reference Signal (SRS) request field size. The wireless device receives downlink control information (DCI) from a network node. The DCI is received according to a format. The wireless device selects a SRS resource set based on the format of the DCI and the value of the SRS request field size.

Configuration of downlink control information formats

Systems and methods are disclosed herein for Control Resource Set (CORESET) enhancements for initial access. In one embodiment, a method performed by a wireless communication device comprises receiving and decoding a Physical Downlink Control Channel (PDCCH) transmission in a CORESET in accordance with at least a portion of a Control Channel Element (CCE) to Resource Element Group (REG) mapping. The PDCCH transmission comprises one or more CCEs. The CCE to REG mapping comprises an interleaved portion that maps the one or more CCEs to a first set of REGs that are spread across a bandwidth of the CORESET, and a second portion that maps at least a portion of an additional CCE to at least a REG in a frequency gap between two REGs in the first set of REGs, the additional CCE corresponding to one of the CCEs mapped to the first set of REGs.

Coreset enhancement for reduced bandwidth UEs initial access

Systems and methods for adapting a timer(s) for a satellite-based radio access network are disclosed. Embodiments of a method performed by a user equipment or a base station and corresponding embodiments of a user equipment or a base station are disclosed. In some embodiments, a method performed by a user equipment or a bases station comprises obtaining an amount of resources elements available and determining a transport block size based on the amount of resources elements available. In some embodiments, repetitions are used. In some embodiments, obtaining the available resource elements amount is based on at least one of: one or more explicit calculations and/or one or more signaled scaling factor(s). In some embodiments, the method further comprises determining (or selecting) a modulation and code rate (MCS) based on the amount of resources elements available.

Transport block size determination for repetition

A method, system and apparatus are disclosed for priority indication. In one embodiment, a wireless device is configured to receive a priority indicator associated with a downlink control information, DCI, message, the DCI message being associated with one of an uplink-configured grant, UL-CG, configuration and a downlink-semipersistent assignment, DL-SPS, configuration; and determine a use of the priority indicator associated with the DCI message. In another embodiment, a network node is configured to determine a use of a priority indicator associated with a downlink control information, DCI, message; and send the priority indicator associated with the DCI message according to the determined use, the DCI message being associated with one of an uplink-configured grant, UL-CG, configuration and a downlink-semipersistent assignment, DL-SPS, configuration.

Methods for use of priority indication associated with CG/SPS transmission

A wireless device determines whether to provide a reduced capability, RedCap, indication via a message 1 of a random access procedure. The wireless device transmits the message 1 based on the determination, and transmits a message 3 of the random access procedure. A RedCap indication is provided via the message 3 at least if a RedCap indication is not provided via the message 1. According to some embodiments, the wireless device receives an indication whether the wireless device is to provide a RedCap indication via the message 1, and the determination is based on the received indication. According to some embodiments, the indication whether the wireless device is to provide a RedCap indication via the message 1 is provided by whether a physical random access channel, PRACH, partition between RedCap wireless devices and other wireless devices is configured.

Early indication for reduced capability devices

A method performed by a wireless device comprises receiving () a first grant that allocates first radio resources for use by the wireless device and a second grant that allocates second radio resources for use by the wireless device, where the first radio resources partially overlap in time with the second radio resources. The method further comprises splitting () the first grant into a first non-overlapping grant and a first overlapping grant, where the first non-overlapping grant allocates a portion of the first radio resources which do not overlap in time with the second radio resources and the first overlapping grant allocates another portion of the first radio resources which overlap in time with the second radio resources.

Transmission scheduling in a wireless communication network

According to some embodiments, a method performed by a wireless device for decoding physical shared channels (PSCHs) comprises, for a plurality of PSCHs in a transmission time interval, determining a first PSCH of the plurality of PSCHs at least partially overlaps in time with a second PSCH of the plurality of PSCHs. Based on comparison of a common characteristic of the first PSCH and the second PSCH, the method comprises selecting one of the first PSCH and the second PSCH to decode and decoding the selected PSCH.

Resolving collision of semi-persistent scheduling data

A method performed by a wireless device for determining a start symbol of a plurality of PDSCH transmission occasions using a relative reference symbol includes: receiving an indication that includes indications: that enable/disable the use of the relative reference symbol; the offset between the last symbol of a first PDSCH and the first symbol of a second PDSCH; that there are multiple PDSCH transmission occasions; and that a symbol of the first transmission occasion and length corresponding to all transmission occasions; and determining the symbol at which each of the plurality of PDSCH transmission occasions end which will be used to determine the start symbol of the next PDSCH transmission occasion. In this way, the wireless device behavior is defined on how many PDSCH repetitions the wireless device can receive when the use of the new relative reference for the starting symbol of the first PDSCH repetition is enabled.

Systems and methods of signaling time domain resource allocation for PDSCH transmission

A method and apparatus are disclosed for handling DCI size alignment. In one embodiment, a network node is configured to perform a downlink control information, DCI, size alignment procedure based at least in part on a limit of a total number of different DCI sizes that a wireless device, WD, is configured to monitor. The network node is further configured to transmit a DCI message, the DCI message generated according to the DCI alignment procedure. In one embodiment, a WD is configured to monitor a cell for a downlink control information, DCI, message. The WD is further configured to receive and/or decode the DCI message, the DCI message being generated according to a DCI alignment procedure in which a size of the DCI is based at least in part on a limit of a total number of different DCI sizes that the WD is configured to monitor.

Downlink control information (DCI) size handling

A method, system and apparatus for uplink transmission cancellation are disclosed. According to one aspect, a method includes receiving a cancellation indication of uplink resources to be cancelled, determining protected uplink resources to be protected from cancellation, and cancelling transmissions on uplink resources indicated to be cancelled other than uplink resources determined to be protected from cancellation.

Methods of uplink transmission cancellation

Systems and methods for priority-dependent Uplink Control Information (UCI) resource determination are provided. In some embodiments, a wireless device determines that one or more UCIs are to be multiplexed onto a Physical Uplink Shared Channel (PUSCH); determines priorities of the PUSCH and/or each of the one or more UCIs; determines at least one beta offset value for one or more UCIs based on one or more of the priorities; set or adjust a UCI code rate based on the at least one beta offset value; and transmit a UCI according to the UCI code rate. This provides a simple and consistent method to deduce beta offset value for UCI based on priorities of UCI and PUSCH. The solution supports possible multiple different beta offset values determined without extra explicit signaling, i.e., it helps to reduce DCI bits needed to indicate potentially multiple beta offset values.

Priority-dependent uci resource determination

In one aspect, there is a method performed by a wireless device, WD. The method includes the WD receiving a control message, the control message comprising an indication of an index value. The method further includes the WD obtaining, using the index value, a set of parameters from time domain resource allocation, TDRA, configuration information, the set of parameters comprising an aggregation factor.

Signalling for repetition

A method, network node and a wireless device for multiplexing HARQ feedback are disclosed. According to one aspect, a method includes transmitting a first hybrid automatic repeat request, HARQ, feedback responsive to a first downlink, DL, transmission, the first HARQ feedback transmitted using not more than an indicated number of bits, the first DL transmission having a first priority. The method also includes transmitting a second HARQ feedback responsive to a second DL transmission, the second DL transmission having a second priority higher than the first priority. The method further includes multiplexing the first HARQ feedback and the second HARQ feedback using not more than the indicated number of bits for the first HARQ feedback, to produce a multiplexed HARQ feedback.

Multiplexing hybrid automatic repeat request feedback

Growing community of inventors

Järfälla, Sweden

Kittipong Kittichokechai