Telefonaktiebolaget Lm Ericsson (publ)

Ericsson Gmbh

Other

Unwired Planet, LLC

Optis Cellular Technology, LLC

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Lenovo Group Limited

Yi-Pin Eric Wang

Xingqin Lin

Yutao Sui

Stephen J Grant

Gregory Edward Bottomley

Johan Mikael Bergman

Jung-Fu Cheng

Niklas Johansson

Ali S Khayrallah

Olof Liberg

Stefan Parkvall

Andreas Höglund

Andres Reial

Erik Bengt Dahlman

Dennis Hui

Bo Hagerman

Karl James Molnar

Yufei W Blankenship

Robert Baldemair

Kumar Balachandran

Fredrik Gunnarsson

Zhang Zhang

Joakim Axmon

Gabor Fodor

Lars Lindbom

Erik G Larsson

Stefan Wager

Magnus Stattin

Qingyu Miao

Janne Peisa

Niclas Wiberg

Torgny Palenius

Jose Luis Pradas

Anders Wallén

Bengt Lindoff

Gunnar Mildh

Icaro L J Da Silva

Johan Rune

Jinhua Liu

Havish Koorapaty

Jari Tapio Vikberg

Erik A Eriksson

Pål Frenger

Henrik Sahlin

Martin Hessler

Sven Oscar Petersson

Karl Norrman

Qianxi Lu

Johan Torsner

Pradeepa Ramachandra

Fredrik Athley

Joachim Sachs

Gen Li

Claes Tidestav

Thorsten Lohmar

Osman Nuri Can Yilmaz

Johan Furuskog

Jonas Fröberg Olsson

Jianfeng Wang

Hai Feng Wang

Lars Sundström

Zhan Zhang

Peter Alriksson

Andreas Bergström

Pontus Wallentin

Patrik Rugeland

Henrik Asplund

Rui Fan

Walter Müller

Rajaram Ramesh

SaiRamesh Nammi

Mårten Sundberg

Ali Nader

Paul Wilkinson Dent

Leif Wilhelmsson

Muhammad Ali Kazmi

Amer A Hassan

Amitav Mukherjee

Miguel Lopez

Dirk Gerstenberger

Johan Nilsson

Sandeep Chennakeshu

Bo Göransson

Emre Yavuz

Mats Folke

Daniel Chen Larsson

Mattias Frenne

George Jöngren

Shiwei Gao

Sorour Falahati

Siva Dharshan Muruganathan

Mattias Bergström

William O Camp, Jr

Jan Christoffersson

Riikka Susitaival

Gustav Wikström

Stefan Rommer

Helka-Liina Määttanen

Stefan Wänstedt

Santhan Thangarasa

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

Embodiments herein disclose e.g. a method performed by a wireless device () for handling communication for the wireless device in a second wireless communication network. The second wireless communication network coexists with a first wireless communication network on a same bandwidth in frequency, wherein the first wireless communication network applies a first shift in frequency in uplink transmissions. The wireless device receives from a radio network node (), an indication indicating application of a second shift in frequency to uplink transmissions in case the second wireless communication network uses Frequency Division Duplex (FDD). The wireless device further applies the second shift in frequency to uplink transmissions, wherein the second shift defines a shift in frequency to a subcarrier relative to a subcarrier grid of the second wireless communication network or a shift in frequency to the subcarrier grid of the second wireless communication network.

Radio network node, wireless device and methods performed therein for handling communication in a wireless communication network

Systems and methods for selecting subcarriers to be used for sub-Physical Resource Block (PRB) transmission and, in some embodiments, for mapping Demodulation Reference Signals (DMRS) to resources on the selected subcarriers are disclosed. In some embodiments, a method of operation of a radio node for providing sub-PRB transmission comprises selecting two adjacent subcarriers from a set of three allocated subcarriers that are allocated for a sub-PRB transmission that uses Single Carrier Frequency Division Multiple Access (SC-FDMA) Pi/2 Binary Phase Shift Keying (BPSK) modulation using only two adjacent subcarriers out of the set of three allocated subcarriers with Discrete Fourier Transform (DFT) spread length of 2. In some embodiments, the selection is such that the selected adjacent subcarriers varies, e.g., from one cell to another. In doing so, interference is distributed.

Systems and methods for selecting subcarriers for sub-PRB transmissions

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 by a reduced capability wireless device includes receiving system information from a network node. The system information comprising information specific to the reduced capability wireless device. The reduced capability wireless device performs an operation using at least the information specific to the reduced capability wireless device received in the system information.

Methods for enabling a low bandwidth wireless device to access a new radio cell via a wideband control resource set

A method performed by a network node () is disclosed. The network node determines (), based on one or more quality-of-service (QoS) parameters, an aggregated uplink (UL) scheduling pattern for a wireless device (), the aggregated UL scheduling pattern for the wireless device comprising UL resources from a plurality of carriers. The one or more QoS parameters indicate one or more QoS requirements associated with a service. At least one of the one or more QoS parameters indicates a delay requirement 0 associated with the service.

Uplink resource configuration

There is provided a method performed by a wireless device for communicating with a network node in a wireless communication network. The method includes using a field in a Master Information Block (MIB) received by the wireless device, as an indication of a presence of an extended MIB (eMIB) and identifying which candidate resource of at least one candidate resource that contains the eMIB based on the indication of the presence of the eMIB. There is also provided a corresponding wireless device for communicating with a network node, a method perform by a network node, and a network node.

Master information block extension in a New Radio cell

Methods and apparatus in a fifth-generation wireless communications network, including an example method, in a wireless device, that includes determining a reporting quality threshold for a parameter related to channel state information (CSI); performing a measurement for each of a plurality of beams from a first predetermined set of beams for evaluation; evaluating the measurement for each of the plurality of beams against the reporting quality threshold; discontinuing the performing and evaluating of measurements in response to determining that the reporting quality threshold is met for one of the beams, such that one or more beams in the first predetermined set of beams are not measured and evaluated; and reporting, to the wireless communications network, CSI for the one of the beams.

Network architecture, methods, and devices for a wireless communications network

A network node configured to, and/or comprising a radio interface and/or comprising processing circuitry configured to transmit a synchronization block mapped to four OFDM symbols in the time domain and 144 contiguous subcarriers in the frequency domain is provided. Optionally, a first of the four OFDM symbol is used by a primary synchronization signal, PSS. Optionally, a third of the four OFDM symbols is used by a secondary synchronization signal, SSS. Optionally, a second and a fourth of the OFDM symbols are used by a Physical Broadcast Channel, PBCH, in 12 contiguous resource blocks, RBs. Optionally, within each of the resource block RB in an OFDM symbol used by PBCH, there are 12 resource elements, and, optionally, 3 of the 12 resource elements are used for a downlink modulation reference signal, DMRS.

Systems and methods for radio operation with reduced bandwidth

A method performed by a User Equipment (UE) for handling a Control Resource Set (CORESET) from a network node in a wireless communications network is provided. The UE operates with a reduced bandwidth. The UE detects a CORESET from the network node, and that a bandwidth of the CORESET is larger than the bandwidth of the UE. Physical Downlink Control Channel (PDCCH) candidates are transmitted in the CORESET. The UE determines which part of the CORESET to skip, to make the bandwidth of the CORESET equal or smaller than the bandwidth of the UE, such that the UE is capable of receiving the CORESET. The part of the CORESET to be skipped is determined based on a predicted decoding performance of the PDCCH candidates in the CORESET.

User equipment, network node and methods in a wireless communications network

Disclosed is a method for scheduling transmissions of multiple carriers from a single transmitting network node () for multiple Narrow Band Internet of Things (NB-IoT) cells, (). The multiple carriers comprising a respective cell specific anchor carrier having NB-IoT sub-frames allocated for the transmission of mandatory information related to the functionality of the specific cell. The method comprises scheduling (S) at least two cell specific anchor carriers using time interleaved transmissions that enables NB-IoT sub-frames belonging to different cell specific anchor carriers, and being allocated for the transmission of the mandatory information, to be transmitted at non-overlapping times. Also disclosed is a network device configured to perform the method and a computer program which when executed schedules at least two cell specific anchor carriers using time interleaved transmissions that enables NB-IoT sub-frames belonging to different cell specific anchor carriers and being allocated for the transmission of the mandatory information to be transmitted at non-overlapping times.

Method and devices for scheduling transmissions of carriers to narrowband internet of things cells

A network node is configured to monitor battery usage on behalf of the low power device and to predict the SOC and remaining life-time for the batteries in the low power devices. The network nodes are fully powered and have the computational capacity to use more complex and accurate models that are not feasible for implementation in resource-limited devices. The network node can calculate the SOC and remaining life-time for a low power device and may also change the transmission and reception patterns for the device to extend the life-time of the battery.

Battery life-time prediction for low power devices

A wireless device () is configured for use in a wireless communication system (). The wireless device () is configured to receive signaling () from a network node (). The signaling () in some embodiments indicates that a reference signal () is configured to be transmitted before and/or during every L occurrence of a physical downlink control channel search space (), wherein L≥2. In other embodiments, the signaling () indicates that a reference signal () is configured to be transmitted before and/or during every K discontinuous reception, DRX, cycle (), wherein K≥2.

Reference signal and early termination in a wireless communication system

According to one aspect of the disclosure, a wireless device is configured to transmit a random access preamble. The wireless device includes processing circuitry. The processing circuitry is configured to obtain a tone index, and determine a location within a frequency band for transmitting the random access preamble based on the obtained tone index.

Narrowband internet of things random access channel configuration design

Wireless devices, base stations, and other network devices and method are described that improve link level performance in a non-terrestrial network (NTN). In an embodiment, a method includes one or more of: configuring an NB-IoT (narrowband-Internet of Things) NPSS (Narrowband Primary Synchronization Signal) transmissions in multiple spot beams overlapping in time and frequency, configuring LTE PSS (Primary Synchronization Signal) transmissions in multiple beams overlapping in time and frequency, configuring NR (New Radio) PSS transmissions (e.g., which support the same shift of a respective M-sequence that defines the NR PSS) in multiple beams overlapping in time and frequency, configuring NR PSS transmissions (e.g., which support the same shift of a respective M-sequence that defines the NR PSS) in multiple beams configured to share the same SS/PBCH block index overlapping in time and frequency.

Non-terrestrial single frequency network

Growing community of inventors

Fremont, CA, United States of America

Yi-Pin Eric Wang