Telefonaktiebolaget Lm Ericsson (publ)

Nokia Solutions and Networks Oy

Nokia Siemens Networks Oy

Thomas Chapman

Muhammad Ali Kazmi

Farshid Ghasemzadeh

Torbjörn Elfström

SaiRamesh Nammi

Esther Sienkiewicz

Bo Göransson

Angelo Centonza

Leonard Rexberg

Joakim Axmon

Namir Lidian

Robert Baldemair

Iana Siomina

Frank Frederiksen

Sami-Jukka Hakola

Erik G Larsson

Jose Luis Pradas

Magnus Åström

Karri Markus Ranta-Aho

Zhipeng Lin

Jeroen Wigard

Christopher Peter Callender

Fredrik Huss

Ulf Gustavsson

Peter Von Wrycza

Magnus Larsson

Cagatay Konuskan

Lei Bao

Jani Matti Johannes Moilanen

Asif Ali Khan

Chunhui Zhang

Ralf Schuh

Sathya Narayana Venkatasubramanian

Senay Negusse

Rickard Svensson

Sairamesh Nammi

Torbjörn ELFSTRÖM

Mikael ZIRÉN

A method, system and network node are disclosed. According to one or more embodiments, a parent network node configured to communicate with a network node is provided. The parent network node is configured to, and/or includes a radio interface and/or includes processing circuitry configured to: enable a first timing configuration, wherein the first timing configuration enables downlink transmission timing for the network node to be aligned with the downlink transmission timing of the parent network node; and based on the first timing configuration, switch to a second timing configuration, wherein the second timing configuration enables uplink transmission timing of the network node to be aligned with the downlink transmission timing of the network node.

IAB Case-6 timing and adjustment

Systems and methods are disclosed herein for transmission of multi-slot Physical Uplink Shared Channel PUSCH with repetitions in a half-duplex system such as a Time Division Duplexing TDD system. A method performed by a wireless device for transmission of multi-slot PUSCH repetitions in a half-duplex system comprises: receiving, from a network node, information related to slot-based configuration in a plurality of slots or mini-slots in the half-duplex system (); determining multiple consecutive uplink symbols in the plurality of slots or mini-slots based on the information received from the network node (); transmitting PUSCH repetitions to the network node in the determined multiple consecutive uplink symbols in the plurality of slots or mini-slots (). In this manner, the uplink multi-slot operation is facilitated, the uplink transmission gain is increased and the coverage of the TDD system is improved.

Method to configure the multi-slot PUSCH for half duplex systems

According to certain embodiments, a method in a network node (A) for determining spectrum utilization for a plurality of numerologies transmitted within an allocated bandwidth includes selecting one or more of the plurality of numerologies. For each of the one or more selected numerologies, a spectrum utilization is determined. The spectrum utilization is based on the spectrum utilization that would be achieved if the selected numerology was transmitted across the allocated bandwidth. A physical resource block (PRB) allocation is calculated based on the allocated bandwidth and the spectrum utilization.

Method for determining spectrum utilization

A method, system and apparatus are disclosed. In one or more embodiments, a network node is configured to communicate with a wireless device (WD). The network node configured to, and/or comprising a radio interface and/or comprising processing circuitry configured to determine if a detected sequence meets one of an acknowledgement (ACK) criterion and negative-acknowledgement (NACK) criterion using at least one bias value where the at least one bias value is based at last in part on a type of service associated with the detected sequence.

Method to decode uplink control channel for ultra reliable low latency applications

An aerial vehicle includes a radio transceiver device configured for radio transmission in a set of radiation directions. The aerial vehicle includes a mechanical shield positioned to reduce power of the radio transmission in at least some of the radiation directions in the set of radiation directions. The aerial vehicle further includes a controller configured to control at least one of: movement of the aerial vehicle, movement of the mechanical shield, radio communication of the aerial vehicle via the radio transceiver device.

Aerial vehicle and control thereof

Systems and methods for a scalable test model for a cellular communications system having multiple different bandwidth and subcarrier combinations are disclosed. Embodiments of a method performed by a test node and corresponding embodiments of a test node are disclosed. In some embodiments, a method performed by a test node comprises generating a test signal for a particular bandwidth and subcarrier spacing combination, the test signal being in accordance with a test model that is scalable for a plurality of different bandwidth and subcarrier spacing combinations. By using the scalable test model, the test model can be flexibly used to test for different bandwidth and subcarrier spacing combinations.

Scalable test model for cellular communication system that supports different bandwidth and subcarrier spacing combinations

According to certain embodiments, a method is performed by a radio node in order to configure a transmitter to communicate a signal. The method determines an Error Vector Measure (EVM) window for the signal. The EVM window is based on at least one of a signal bandwidth, a spectrum utilization, and a cyclic prefix length. The method adjusts the transmitter based on the EVM window.

Adjusting an error vector measure (EVM) window

The embodiments herein relate to a method performed by a first node () for enabling testing of at least a part () of the first node () in a deployed network. The first node () determines that at least a part () of the first node () should be tested, and determines a direction in which to transmit or receive a test signal () to or from a second node (). The first node () transmits the test signal () OTA in the determined direction to the second node () if a transmitter of the first node () should be tested. The first node () receives the test signal () OTA in the determined direction from the second node () if a receiver of the first node () should be tested.

Method and nodes for testing a node

A method for improving transmission link performance, performed by a first communication node for wireless communication with a second communication node is provided. The method includes obtaining information of a delay spread of first signals sent between the first communication node and the second communication node and determining at least one of a plurality of different values of a sub-carrier spacing for transmission of second signals between the first communication node and the second communication node, based on the obtained information of the delay spread. The method further includes initiating transmission of the second signals between the first communication node and the second communication node based on the determined at least one value of the sub-carrier spacing.

Methods and wireless communication nodes for improving transmission link performance

A method performed by a network node for determining a beam to be transmitted to at least a first User Equipment, UE is provided. The network node determines () a beam to be transmitted to at least a first UE based on an obtained average spatial profile of radiated power in each direction. The average spatial profile of radiated power is based on an spatial profile of radiated power averaged over any one or more out of a frequency interval and a time interval.

Network node and method therein for determining a beam to be transmitted for at least a first user equipment

An example method for testing a base station that supports multi-carrier transmission using multiple transceiver units comprises transmitting an interfering test signal in one or more transmit bands for the base station apparatus, using the multiple transceiver units and the antenna array, where the interfering test signal has a total EIRP at least approximately equal to the sum of the respective rated maximum EIRPs for each of the predetermined number of simultaneous carriers. This example method further comprises transmitting a desired test signal to the base station apparatus, in a receive band for the base station apparatus, using a test signal generator and a test antenna separate from the base station apparatus, and evaluating a receiver sensitivity for the base station apparatus, based on the desired test signal, while the interfering test signal is being transmitted.

Methods for over-the-air testing of base station receiver sensitivity

There is provided mechanisms for transmitting adjusted signals. A method is performed by a radio communications device comprising at least two radio transmitter units. The method comprises generating a signal to be transmitted by the radio transmitter units. The method comprises adjusting the signal at at least one of the radio transmitter units by dithering at least one radio parameter value such that the signals from all radio transmitter units are mutually different. The method comprises transmitting the adjusted signal by the radio transmitter units.

Handling of unwanted emissions from a radio communications device

Some embodiments include a method in a wireless transmitter for transmitting a first wireless signal according to a first numerology in a network capable of supporting two numerologies. The method comprises obtaining one or more requirements associated with each numerology; adapting at least one of a first filter property of the wireless transmitter, a first beamforming property of the wireless transmitter, and a guard band size between the first and second numerology based on the obtained one or more requirements; and transmitting the first wireless signal according to the first numerology. Particular embodiments may adapt one of a second filter property and/or a second beamforming property of the wireless transmitter, and transmit/receive a second wireless signal according to the second numerology. Further embodiments include a method in a wireless receiver corresponding to the embodiments in the wireless transmitter.

Multiple numerologies in a wireless communication system

The present disclosure pertains to a method for testing a radio node for compliance with transmitter disturbance quality requirements. The method includes receiving transmission from the radio node in a plurality of directions from the radio node, and determining whether the received transmission complies with the requirements, the requirements pertaining to transmitter disturbance quality at least in the plurality of directions.

Growing community of inventors

Solna, Sweden

Thomas Chapman