Ericsson Patente

A method is provided to operate a CN node to determine UP security activation. A UP session establishment request is obtained for a wireless device. An indication is obtained that the UP session establishment request is associated with an emergency session and/or that null ciphering and/or null integrity protection are applied to a CP associated with a CP session for the wireless device. It is determined that a UP should be configured for the UP session without activating integrity and/or confidentiality protection for the UP based on the indication. A UP security policy is provided to a RAN node associated with the wireless device, wherein the UP security policy indicates to configure the UP for the UP session without activating integrity and/or confidentiality protection based on determining that a UP should be configured for the UP session without activating integrity and/or confidentiality protection.

According to some embodiments, a method for use in a wireless device of performing radio resource management (RRM) measurements for mobility in a wireless network comprises obtaining a measurement configuration for measuring mobility signals in connected mode. The measurement configuration includes a reference signal type. The reference signal type indicates a particular type of reference signal of a plurality of possible reference signal types (e.g., PSS, SSS, DMRS, CSI-RS). The method further comprises configuring the wireless device to measure a reference signal of the indicated type; receiving the reference signal of the indicated type; and measuring the reference signal according to the measurement configuration.

Systems and methods for uplink transmission timing are provided. In some embodiments, a method of operation of a wireless device in a cellular communications network includes receiving a transmission, from a network node, in a downlink slot; determining a reference uplink slot index in an uplink frame timing of the wireless device where the reference uplink slot index corresponds to the downlink slot in which the transmission was received; and transmitting an uplink transmission in response to the received transmission in an uplink slot a number of slots, K, after the determined reference uplink slot index. This may enable transmission in satellite radio access networks by establishing the transmission timing relationships that are suitable for long propagation delays and the large differential delay in a spotbeam in satellite communications systems that may range from sub-milliseconds to tens of milliseconds.

The application relates to method for a 5G Media Streaming, 5GMS, Aware Application, AA, hosted by a user equipment, UE, operating in a communication network, the method comprising the step of obtaining, from an application service provider, ASP, associated with the 5GMS AA, a token indicating that the 5GMS AA is authorized to invoke or activate a dynamic policy for resources of the communication network, wherein the dynamic policy is associated with the ASP; and the step of sending the token to a 5GMS client hosted by the UE, wherein the 5GMS client is associated with a 5GMS application function, AF, of the communication network.

A first network node that is a first Next Generation Node B, gNB, is described. The first network node includes processing circuitry configured to receive, from within the first network node, a first information indicative of an open systems interconnection, OSI, Layer 1, L1, configuration of at least two cells served by the first network node. The at least two cells are candidate cells. The processing circuitry is further configured to make a Wireless Device, WD, mobility decision by considering at least a performance gain of the candidate cells. The performance gain is determined based on the received first information indicative of the OSI L1 configuration. Methods, systems, and other apparatuses are also disclosed.

A method for rendering an audio element (e.g., a spatially-heterogeneous audio element), wherein the audio element has an extent and is represented using a set of virtual loudspeakers comprising a middle speaker. The method includes, based on a position of a listener, selecting a position for the middle speaker.

A method at a first communication device for providing a second communication device access to content, the method comprising: providing an offer to the second communication device, offering the second communication device conditional access to the content, wherein access to the content at the second communication device is adaptable based on sensor data of at least one of the first and the second communication device; acquiring sensor data of at least one of the first and the second communication device; providing the second communication device full access to the content in case it is that the sensor data of at least one of the first and the second communication device indicates that the second communication device shall be granted full access to the content, or determining that access to the content is to be restricted at the second communication device, and providing the second communication device restricted access to the content, in case it is determined that sensor data of at least one of the first and the second communication device is indicating that access to the content is to be restricted at the second communication device.

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

A method performed by an access and mobility node for interworking handover from a fifth generation system (5GS) to an evolved packet system (EPS) is provided. The method comprises forwarding a relocation request for a user equipment (UE) to a mobility management node. The relocation request comprises a user plane (UP) security policy and a UP security activation status for a packet data unit (PDU) session established between a source node and the UE. The PDU session being mapped to a packet data network (PDN) connection in the EPS for the UE being handed over to the mobility management node.

A method and apparatus are disclosed for configured grant uplink control information (UCI) mapping rules. In one embodiment, a network node is configured to transmit downlink control information for a configured grant physical uplink shared channel, CG-PUSCH; and receive configured grant uplink control information, CG-UCI, on the CG-PUSCH, the CG-UCI being mapped to the CG-PUSCH based at least in part on a presence of at least one Hybrid Automatic Repeat reQuest - acknowledgement, HARQ-ACK. In another embodiment, a wireless device is configured to receive, from the network node, downlink control information for a configured grant physical uplink shared channel, CG-PUSCH; and transmit a configured grant uplink control information, CG-UCI, on the CG-PUSCH, the CG-UCI being mapped to the CG-PUSCH based at least in part on a presence of at least one Hybrid Automatic Repeat reQuest - acknowledgement, HARQ-ACK.

There is disclosed a method of operating a wireless device (10) in a radio access network, the wireless device (10) being configured with a slot configuration according to which a slot has multiple subslots, the method comprising transmitting acknowledgement information reporting on subject transmission in a subslot based on a received timing indication indicating a subslot number for transmitting the acknowledgement information, and based on a subslot offset. There are also disclosed related methods and devices.

A method including receiving handover information associated with an execution of a handover and performing at least one operation of the handover based on the handover information. The handover information includes at least one of: a time offset; information for generating a time offset; an absolute time for executing the handover or for accessing the target cell; a condition to be fulfilled before execution of the handover; information associated with ephemeris data of a satellite serving the target cell; information associated with an upcoming service link switch or feeder link switch; information associated with a timing advance; a physical random access channel resource; an indication to execute a preconfigured handover command; an identifier associated with a preconfigured handover command; an indication for disabling fallback to a source cell; and a parameter for determining a quality of the source cell for fallback to the source cell.

Embodiments described herein relate to methods and apparatuses for performing radio measurements. A method performed by a wireless device comprises responsive to an application session starting, performing one or more Quality of Experience, QoE, measurements associated with the application; transmitting a first session feedback indication based on the QoE measurements to a base station, wherein the first session feedback indication indicates that the application session has started; and responsive to transmitting the first session feedback indication, receiving a command from the base station to perform one or more radio measurements.

There is disclosed a method of operating transmitting radio node in a wireless communication network, the method comprising transmitting data signaling on multiple layers, wherein on each layer, there is transmitted a sequence of samples representing data, samples representing PT-RS being inserted into the sequence of samples in one or more groups, each group representing a PT-RS sample sequence; wherein further groups of PT-RS of different layers are shifted relative to each other. The disclosure also pertains to related devices and methods.

A method performed by an authentication server (14) in a home network (3) of a user equipment (1), UE, for obtaining a subscription permanent identifier, SUPI. The method comprises: - receiving a subscription concealed identifier, SUCI, which comprises an encrypted part in which at least a part of the SUPI is encrypted, and a clear-text part which comprises a home network identifier and an encryption scheme identifier that identifies an encryption scheme used by the UE to encrypt the SUPI in the SUCI, - determining a de-concealing server (19) to use to decrypt the encrypted part of the SUCI; - sending the SUCI to the de-concealing server (19), and - receiving the SUPI in response. Methods performed by a UE and a de-concealing server are also disclosed. Furthermore, UEs, de-concealing servers, authentication servers, computer program (133) and a memory circuitry (12) are also disclosed.

In one aspect, a method performed by a network entity in a communications network is provided. The method comprises obtaining identification information for a plurality of candidate network entities in the communications network, in which the identification information indicates that each of the candidate network entities is configured to participate in collaborative learning. The method further comprises sending a request for each of the candidate network entities, in which the request comprises one or more selection criteria, and receiving one or more response messages comprising an indication of which of the candidate network entities satisfy the one or more selection criteria. Based on the indication in the one or more response messages, the network entity selects one or more of the plurality of candidate network entities to participate in a collaborative learning process to train a model using a machine learning algorithm.

A method (200) for operating a User Equipment (UE) is disclosed, the UE configured to connect to a communication network. The method comprises: indicating to the communication network an Integrity Protection for User Plane (IPUP) mode supported by the UE when requesting registration with the communication network (202). The IPUP mode comprises one of: use of Integrity Protection for User Plane data exchanged with the UE (202a), non-use of Integrity Protection for User Plane data exchanged with the UE (202b), or use of Integrity Protection for User Plane data, and non-use of Confidentiality Protection for User Plane data (202c). Also disclosed are an apparatus for operating a UE, methods and apparatus for operating a radio access node and a core node of a communication network, and a computer program operable to carry out methods for operating a UE, a radio access node and/or a core node of a communication network.

A method for dynamic link selection that comprises providing at least two wireless links (605) between one or more network nodes and a wireless device. The at least two wireless links associated with at least two different radio access technologies. The method additionally includes obtaining control data (610) to be sent to a first network node of the one or more network nodes. The control data is associated with a first radio access technology. The method additionally includes selecting one or more wireless links (625) from among the at least two wireless links. The one or more links selected based on a first selection parameter. The one or more selected wireless links are to be used for the transmission of the control data to the first network node. The one or more selected wireless links comprise at least a first wireless link associated with a second radio access technology. The method further includes transmitting the control data (645) associated with the first radio access technology to the first network node via at least the first wireless link associated with the second radio access technology. The method also includes obtaining the control data (650) at the first network node and determining whether the received control data is duplicated control data (655).

The present disclosure relates to a method in a first radio device (1), said radio device being connected to a first remote node (3) via a first radio access technology (RAT) (5). The method comprises obtaining decoding information relating to decoding of a data signal (303) received from the first remote node. The method also comprises transmitting the obtained decoding information, via radio resources assigned for device-to-device (D2D) transmissions (302). The disclosure also relates to a method of receiving such a D2D transmission and employing the decoding information for interference cancellation.

A network node (600), computer program product, and a method by a network node to allocate at least two beams in a slot to schedule multiple user equipments, UEs, (500) are provided. Each UE is allocated (801) to a baseband port (0, 1) of a plurality of baseband ports such that there is more than one UE allocated to each baseband port. For each baseband port of the plurality of baseband ports: the baseband port is mapped (803) to a polarization of an antenna having multiple polarizations and to one beam of a plurality of beams. The polarization of a baseband port is switched (805) in a time domain to create time diversity of services towards the multiple UEs, wherein a UE is subject to a first polarization for a subset of time occasions and to a second polarization for other time occasions.

There is provided a method at a first terminal device. The method comprises establishing (401) a unicast link with a second terminal device. The method comprises deciding (402) to change from old identifier(s) to new identifier(s) for the first terminal device. The method comprises sending (402) a link identifier update request message to the second terminal device using old identifier(s) of the second terminal device. The link identifier update request message comprises the new identifier(s) of the first terminal device. The method comprises receiving (403) a link identifier update response message from the second terminal device using the old identifier(s) of the first terminal device. The link identifier update response message comprises new identifier(s) of the second terminal device.

The invention relates to a terminal device, a method and a computer program for transmission of reference signals. More specifically, the terminal device comprises at least four physical antenna ports and processing circuitry. The processing circuitry is configured to cause the terminal device to determine a mapping between an uplink reference signal and a physical antenna port, where the determination is based on pairing physical antenna ports which have highest average received signal power. Then the terminal device transmits an uplink reference signal, based on the determined mapping, by using one or more of the at least two paired physical antenna ports with the highest averaged received power.

Methods, a terminal device and a base station for random access procedure are disclosed. According to an embodiment, the terminal device determines a frequency hopping configuration for transmission of one or more physical uplink shared channels (PUSCHs) in a request message for random access. The terminal device transmits the one or more PUSCHs in the request message based on the frequency hopping configuration. The request message at least comprises a physical random access channel (PRACH) preamble and the one or more PUSCHs.

According to an aspect, there is provided a computer-implemented method for use in a low code development platform, LCDP. The method comprises forming (202) a credential object (101), wherein an application in the LCDP is to use the credential object (101) to access a resource . The credential object (101) comprises credential information and at least one item (105). The at least one item (105) comprises a path (115), a type (113), and a replacement (117). The replacement (117) indicates a value (119) that is to replace the path (115) when the credential object (101) is used by the application. The type (113) determines whether the value (119) is to be obscured in a trace (107) to a user of the application relating to the access of the resource by the application. The method further comprises encrypting (204) the credential object (101) and storing the encrypted credential object (101) for use by the application to access the resource.

A method in an encoder to determine whether an input audio signal has high peakyness and low energy concentration is provided. The method includes obtaining a magnitude of a critical frequency range of the frequency spectrum. The method further includes obtaining a peakyness measure. The method further includes obtaining a noise band detection measure. The method further includes determining a harmonic condition based on at least the peakyness measure and the noise band detection measure. The method includes outputting an indication of whether the harmonic condition is true or false.

There is provided a method in a wireless device configured with multiple Physical Cell Identities (PCIs) for a mobility procedure, wherein the wireless device is configured with one or more cells operating in a same serving frequency, each cell associated with one or more PCIs. The method comprises: selecting a PCI among the multiple PCIs; determining cell measurement results based on cell measurements performed on the selected PCI, wherein the cell measurements represent measurements of a serving cell; and determining whether or not to trigger an event for measurement reporting, based on the cell measurement results. The wireless device may also select a subset of PCIs among the multiples PCIs and determine cell measurement results based on cell measurements performed based on the selected subset of PCIs.

A method performed by a network node operating as a Master Node (MN) for conditional Primary Secondary Cell Change (CPC) includes sending, to a target candidate secondary node (SN) an SN Addition Request message and receiving, from the target candidate SN, an SN Addition Request Acknowledge message comprising a RRC Reconfiguration message (RRCReconfiguration**) for a target candidate cell. The network node sends, to a wireless device, an RRC Reconfiguration message (RRCReconfiguration), which includes at least one conditional reconfiguration for the CPC. The conditional reconfiguration includes: another RRC Reconfiguration message (RRCReconfiguration*); at least one execution condition for the CPC; and a conditional reconfiguration identity associated with the CPC for the target candidate cell. The RRCReconfiguration* includes the RRCReconfiguration**. The network node receives, from the wireless device, a first reconfiguration complete message (RRCReconfigurationComplete) and a second RRCReconfigurationComplete message (RRCReconfigurationComplete*), which includes another RRCReconfigurationComplete message (RRCReconfigurationComplete**).

A user equipment (910) is provided for use in a cellular network. The user equipment includes a transceiver (1010), a processor (1020), and a memory (1030). The user equipment (910) is configured to determine, for a data transmission, a mapping form a demodulation reference signal (DMRS) to a PNT-RS. A DMRS resulting signal is generated from a subset of DMRS for a first resource element in a subcarrier. The DMRS resulting signal is copied from the first resource element to a second resource element assigned to the PNT-RS in the subcarrier. The data transmission is transmitted using the DMRS resulting signal and the PNT-RS.

A method by a network node operating as a Master Node (MN) for conditional Primary Secondary Cell Addition (CPA) includes sending, to a target secondary node (SN) a Request message. The network node receives, from the target SN, an Acknowledge message comprising an RRC Reconfiguration message (RRCReconfiguration**), including a Secondary Cell Group (SCG) configuration for a target candidate cell. The network node sends, to a wireless device, another RRC Reconfiguration message (RRCReconfiguration), which includes at least one conditional reconfiguration. The conditional reconfiguration includes: another RRC Reconfiguration message (RRCReconfiguration*) in MN format and a Master Cell Group (MCG) configuration; at least one execution condition for the CPA; and a conditional reconfiguration identity associated with the CPA for the target candidate cell. The RRCReconfiguration* includes the RRCReconfiguration**. The network node receives, from the wireless device, a first reconfiguration complete message.

There is provided techniques for key replacement in a communication device (100). A method is performed by the communication device (100). The method comprises receiving (S104) a trigger for the communication device (100) to perform the key replacement. The method comprises providing (106) a request to a DI wallet entity (200) for a verifiable presentation for the communication device (100) to perform the key replacement. The method comprises receiving (S108) the verifiable presentation from the DI wallet entity (200). The verifiable presentation comprises attributes of one or more verifiable credentials. The method comprises obtaining (S110) a new key pair, and replacing an existing key pair with the new key pair upon the communication device (100) having successfully verified the verifiable presentation. The method comprises communicating (S116) with an SP entity (300). The new key pair is used as part of the communication device (100) communicating with the SP entity (300).

A method, network node and wireless device (WD) for explicit unified transmission configuration indicator (TCI) state index configuration for downlink (DL) transmissions are disclosed. According to one aspect, a method in a network node includes configuring the WD with a radio resource control (RRC) configuration of at least one transmission configuration indicator (TCI) state pointer, the at least one TCI state pointer being used to indicate an association between at least one scheduled physical downlink shared channel (PDSCH) transmission and at least one joint/downlink TCI state. The method also includes transmitting first and second downlink control information (DCI), the first DCI configured to one of activate and indicate a pair of unified TCI states, the second DCI configured to schedule a first PDSCH and a second PDSCH.

Embodiments include methods for a wireless device. Such methods can include receiving, from a network node in a wireless network, control signaling that indicates a parameter configuration for data transmissions, by the network node or by the wireless device, that are associated with a subset of a plurality of hybrid ARQ, HARQ, processes. The indicated parameter configuration can be one of a plurality of parameter configurations corresponding to a respective plurality of different subsets of the HARQ processes. The different subsets can include a first subset of one or more HARQ processes for which HARQ feedback is disabled, and a second subset of one or more HARQ processes for which HARQ feedback is enabled. Other embodiments include complementary methods for a network node in a wireless network, and wireless devices and network nodes configured to perform the respective methods.

A method, network node and wireless device in a wireless communication system for one of transmitting and receiving a phase-tracking reference signal, PT-RS. The method includes obtaining information about a position in a time domain of a scheduled first demodulation reference signal, DM-RS, in a slot, and one of transmitting and receiving the PT-RS within the slot, the position of the PT-RS depending on the position in the time domain of the scheduled first DM-RS.

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