Telefonaktiebolaget Lm Ericsson (publ)

Yuhang Liu

Jung-Fu Cheng

Reem Karaki

Stephen J Grant

Sorour Falahati

Johan Rune

Andreas Höglund

Mehrnaz Afshang

Havish Koorapaty

Peter Alriksson

Yutao Sui

Ritesh Shreevastav

Béla Rathonyi

Tai Do

Min Wang

Joakim Axmon

Ali Nader

Gerardo Agni Medina Acosta

Michael Breschel

Johan Hill

Iana Siomina

Yi-Pin Eric Wang

Xingqin Lin

Olof Liberg

Stefan Wänstedt

Emre Yavuz

Tuomas Tirronen

Oscar Ohlsson

Mikael Wittberg

Hazhir Shokri Razaghi

Aliakbar Mirzaei

Andreas HÖGLUND

Stefan WÄNSTEDT

A method, network node and wireless device (WD) for scheduling multiple transport blocks (TB) each over multiple slots using single downlink control information (DCI) are disclosed. According to one aspect, a network node is configured to communicate with a wireless device is provided. The network node includes processing circuitry configured to configure downlink control information, DCI, for scheduling at least one transport block, TB, where at least one of the at least one TB is configured to span more than one slot, and indicate the DCI to the wireless device.

Scheduling multiple transport blocks each over multiple slots using single downlink control information (DCI)

A method, network node and wireless device (WD) for adapting periodic configurations based on spatial relations are disclosed. According to one aspect, a method includes configuring multiple transmission resources or multiple sets of transmission occasions for a radio resource control configured periodic uplink transmission. The method further includes associating each configured uplink transmission received from the WD by the network node with a downlink reference signal, the downlink reference signal provided as a direct or indirect spatial relation reference for the uplink transmission.

Adapting periodic configurations based on spatial relations

A first group embodiments provide a method performed by a network node (NN) in a wireless network comprising responsive to a DL data intended for a user equipment (UE), transmitting a first short signal burst to the UE over a channel using a directional beam, and based on detecting a first response to the first short signal burst from the UE indicating that the channel is available, transmitting at least a portion of the DL data to the UE over the channel using the directional beam. A second group embodiments provide a method performed by a NN comprising determining availability of a channel between the network node and the UE using a directional beam, based on determining that the channel is available, transmitting a first resource grant for transmission of a UL data by the UE, and receiving the UL data from the UE over the channel using the directional beam.

Receiver assisted directional channel sensing for NR-U

There is disclosed a method of operating a feedback radio node in a radio access network. The method includes transmitting feedback signalling representing an encoded sequence of bits, the encoded sequence of bits representing a sequence of feedback information bits, the sequence of feedback information bits comprising a plurality of subpatterns, each subpattern having a type of a set of types. The set of types has a first type and a second type, the subpatterns being ordered in the sequence according to their type. The disclosure also pertains to related devices and methods.

Acknowledgement information for wireless communication network

A wireless device () receives a frequency resource configuration () from an access node (), the access node generates downlink control information DCI () and transmits a control message () including at least one slot format indicator, SFI, field and a frequency resource indicator field. Based on the frequency resource indicator, the wireless device determines whether a particular frequency resource is available for operation () and whether the wireless device can receive or transmit data on said frequency resource ().

DCI signalling including at least one slot format indicator, SFI, field, and a frequency resource indicator field

There is disclosed a method of operating a receiving radio node in a wireless communication network. The method includes communicating utilising data signaling based on a received control information message, the control information message scheduling multiple occurrences of data signaling, wherein communicating is based on extracting a code block group (CBG) setup for communicating based on the received control information message and/or a CBG configuration. The disclosure also pertains to related devices and methods.

Multiple PDSCH scheduling

A wireless device receives downlink control information (DCI) from a network node, determines a physical downlink shared channel (PDSCH) group based on information in the received DCI, and transmits a hybrid automatic repeat request acknowledgement (HARQ-ACK) report to the network node based on the determined PDSCH group.

HARQ-ACK reporting with PDSCH grouping

A technique for transmitting system information for a time-division duplex, TDD, communication in a radio access network, RAN, is described. As to a method aspect of the technique, a master information block, MIB, is transmitted on an anchor carrier () of the TDD communication in the RAN. The MIB is indicative of a spectral resource (--) allocated to a system information block, SIB, of the TDD communication in the RAN. The SIB is transmitted on the spectral resource (--) indicated in the MIB.

Technique for transmitting system information

Methods and systems for setting Hybrid Automatic Repeat Request (HARQ) timing for Physical Downlink Shared Channel (PDSCH) with a pending PDSCH-to-HARQ-timing-indicator (PHTI) are provided. In one aspect, a method performed by a wireless device comprises: receiving a first Downlink Control Information (DCI) associated with a first Downlink (DL) data transmission, the first DCI comprising a non-numerical PHTI; receiving the first DL data transmission; determining a HARQ feedback for the first DL data transmission; receiving a second DCI associated with a second DL data transmission, the second DCI comprising a numerical PHTI indicating a location for HARQ feedback associated with the second DL data transmission; setting the location of HARQ feedback associated with the first DL data transmission to be the same as the location of HARQ feedback associated with the second DL data transmission; and transmitting the HARQ feedback associated with the first DL data transmission at the set location.

Setting HARQ timing for PDSCH with pending PDSCH-to-HARQ-timing-indicator

There is disclosed a method of operating a receiving radio node in a wireless communication network. The method includes receiving first signaling, the first signaling covering at least one allocation unit carrying Demodulation Reference Signaling, DMRS. Receiving includes performing Inter Carrier Interference, ICI, suppression for the at least one allocation unit carrying DMRS based on received DMRS. The disclosure also pertains to related devices and methods.

Receiver for a wireless communication network

A host operable to provide an over-the-top (OTT) service is disclosed. The host is configured to provide and initiate transmission of user data to a network node for transmission to a user equipment (UE). To transmit the user data, the network node determines a PDSCH-to-HARQ timing for an upcoming downlink transmission of the user data to the UE. The network node also determines that HARQ feedback for the upcoming transmission should be delayed by the UE until further notification from the network node; transmits, to the UE, a first DCI associated with the upcoming transmission, the first DCI including a first PDSCH-to-HARQ timing-indicator value for indicating to the UE that the HARQ feedback for the upcoming transmission should be delayed until further notification from the network node; and transmit the user data from the host to the UE in the upcoming transmission to provide the OTT service.

The invention refers to a method of operating a wireless device, UE, configured to provide communication over a radio interface with a wireless communication network, the method including transmitting a random access, RA, preamble of an RA procedure to the wireless communication network using a first uplink carrier; and after transmitting the RA preamble of the RA procedure, receiving a Random Access Response, RAR, of the RA procedure from the wireless communication network, wherein the RAR includes an indication to use a second uplink carrier different than the first uplink carrier; the invention further refers to a method of operating a base station of a wireless communication network configured to provide communication over a radio interface with a wireless device, UE, the method including receiving a random access, RA, preamble of an RA procedure from the wireless device using a first uplink carrier.

Methods providing early redirection in wireless devices

There is disclosed a method of operating a receiving radio node in a wireless communication network. The method includes receiving first signaling and second signaling, the first signaling including first Phase Tracking Reference Signaling, PT-RS, on a first set of subcarriers, and the second signaling including second PT-RS on a second set of subcarriers, the first set of subcarriers being non-overlapping with the second set of subcarriers. The disclosure also pertains to related devices and methods.

Phase tracking reference signaling for a wireless communication network

There is disclosed a method of operating a receiving radio node in a wireless communication network. The method includes receiving first signaling and second signaling, wherein the first signaling includes first Phase Tracking Reference Signaling, PT-RS, on a first set of subcarriers, and the second signaling includes second PT-RS on a second set of subcarriers, wherein the first set of subcarriers is non-overlapping with the second set of subcarriers, wherein receiving the first signaling is based on estimating a phase noise for the first signaling based on the first PT-RS and the second PT-RS. The disclosure also pertains to related devices and methods.

There is disclosed a receiving radio node in a wireless communication network, the method including transmitting feedback signaling based on a received control information message scheduling multiple separate data transmission for reception by the receiving radio node. The disclosure also pertains to related devices and methods.

Growing community of inventors

Lund, Sweden

Yuhang Liu