Abstract: Systems and methods for landscape sensing using radio signals are provided. In some embodiments, a base station configured to communicate with a User Equipment (UE) includes a radio interface and processing circuitry configured to: obtain a plurality of channel measurements relating to the UE; and determine a landscape type in which the UE is operating based on the plurality of channel measurements. In this way, the base station can infer the UE's landscape without the need for any new sensor or radar infrastructure requirements. In this way, the signaling need between base stations can be reduced. In some embodiments, smaller dimension input features will reduce the computational complexity so that it can be implemented on an embedded base station hardware.

Abstract: Systems and methods for managing the secure transmission of positioning integrity KPIs and associated information are provided. A network node provides a key configured to decode positioning integrity assistance information. A wireless device can receive encrypted positioning integrity assistance information and use the key to decrypt the information and perform positioning method(s) in accordance with the decrypted positioning integrity assistance information.

Abstract: A wireless communication device, WCD, transmits one or more uplink transmissions, obtains backscattering measurements for the one or more uplink transmissions, and reports the backscattering measurements to a wireless communication network. A network node in the wireless communication network receives the backscattering measurements, and estimates an environment of the WCD based on the backscattering measurements. The one or more uplink transmissions may for example include a sounding reference signal, SRS. The network node may for example schedule a transmission, select beamforming, or adapt a positioning reference signal configuration based on the estimated environment of the WCD. The network node may for example receive positioning measurements and estimate a position of the WCD based on the positioning measurements. The estimation of a position of the WCD and the estimation of an environment of the WCD may for example be performed jointly via simultaneous localization and mapping, SLAM.

Abstract: The present disclosure is related to methods, systems, and apparatuses for assistance of RF retuning of a User Equipment, UE. The UE signals towards a network node capability information. The capability information indicates a radio frequency, RF, retuning time of the UE. Further, the UE performs RF retuning. The RF retuning may be for measurement of a downlink reference signal and/or for transmission of an uplink reference signal. The RF retuning is performed in accordance with the indicated capability.

Abstract: Various embodiments provide for methods for signaling to Reduced Capability (RedCap) User Equipment devices (UEs) to perform frequency hopping using a bandwidth part (BWP) framework. The methods can include using new parameters to signal the frequency hopping, and also to distinguish between paired and unpaired spectrum. In one embodiment, a RedCap UE could be configured with a BWP not any wider than its radio frequency (RE) bandwidth BW for Sounding Resource Signal (SRS)/positioning reference signal (PRS) frequency hopping. In such a case, new parameters could be defined to be associated with the RB allocation for each frequency hop.

Abstract: Various embodiments described herein provide for methods that allow a location server, e.g., a Location Management Function (LMF) to facilitate determining the location of a User Equipment (UE) using multi Round Trip Time (RTT) measurements by a single satellite in a Non-Terrestrial Network (NTN) by using the orbital movement of the satellite to perform successive positioning measurements to the UE. The UE and the satellite can send their respective positioning measurements to the LMF, along with time stamps at which the positioning measurements were obtained, and the LMF, using the known location and timing of the satellite, can determine the location of the UE. The LMF can also consider the UE processing capability to configure the UE with uplink (UL) transmission time stamps indicating the start of transmission of UL reference signals for positioning measurements.

Abstract: Methods and apparatuses provide a mechanism to account for timing errors of a wireless device in positioning measurements. In one example, a wireless device performs reference-signal transmissions or measurements and sends information to a network node that is involved in positioning of the wireless device. The information indicates associations of the reference-signal transmissions or measurements with respective timing groups of the wireless device. Each timing group represents a related set of transmission or reception timing errors within the wireless device. Based on the information, the network node accounts for the different timing-group associations when performing positioning calculations that are based on the reference-signal transmissions or measurements performed by the wireless device.

Abstract: Methods performed by a communication device and a network node and corresponding apparatuses in which a communication device (12) transmits, to a network node in a communication network (10), information (18) about a capability of the communication device (12) to perform a multi-carrier positioning measurement (14) and then it performs the multi-carrier positioning measurement (14) and the network node receives the information about the capability of the communication device to perform a multi-carrier positioning measurement and it uses the information to perform one or more operational tasks.

Abstract: Methods and systems are described for AI and/or ML model selection in a telecommunications network. One example embodiment includes obtaining a first set of one or more criteria for selecting between at least two AI/ML models; performing at least one measurement procedure to obtain one or more measurements; and using the obtained one or more measurements and the first set of one or more criteria to select between the at least two AI/ML models. A measurement procedure can comprise e.g. CSI, radio link procedure (RLP), positioning measurement, measurement related to cell change procedure etc. Certain described embodiments enhance measurement performance of the measurement (e.g., CQI) and correspondingly improve the outcome/performance of the procedure (e.g., data scheduling) using the measurement. This in turn reduces the overall processing in the UE, frees up at least part of the memory resources and reduces the UE power consumption.

Abstract: Embodiments include methods for a user equipment (UE) configured for positioning in a radio access network (RAN). Such methods include receiving, from a positioning node, a configuration of a plurality of positioning reference signal (PRS) resources. Each PRS resource is associated with one of a plurality of different carrier frequencies or positioning frequency layers (PFLs) transmitted by a RAN node. The configuration includes one or more aggregation identifiers indicating one or more relationships between the plurality of carrier frequencies or PFLs. Such methods include selectively performing positioning measurements jointly and/or coherently on PRS resources associated with two or more of the carrier frequencies or PFLs, based on one or more of the following: the one or more aggregation identifiers, and an arrangement of the UE's plurality of receiver (Rx) chains. Such methods include sending to the positioning node a report including the positioning measurements.

Abstract: The present disclosure provides a method in a network node for carrier phase measurements in a communication network. The method includes: obtaining a carrier phase measurement update rate for a UE moving through the network, based on a carrier frequency and a velocity of the UE; and sending the carrier phase measurement update rate to the UE in a carrier phase measurement update rate configuration.

Abstract: Embodiments of the present disclosure provide methods and apparatus for scatterer localization and material identification. The method performed by an identification apparatus may comprise: determining (S101) a reflection loss of a power of a wireless signal caused by a reflection at an object, for the purpose of identifying a material of the object and localizing a position of the object. The method performed by a reception apparatus may comprise: receiving (S201) a wireless signal transmitted from a transmission apparatus and reflected by an object; and transmitting (S202), to an identification apparatus, information about the wireless signal. The method performed by a transmission apparatus may comprise: receiving (S301) an indication for identifying a material of an object; and transmitting (S302) a wireless signal reflected by the object to a reception apparatus.

Abstract: The present disclosure relates to a method performed by a UE (105) for handling information of relevance during a positioning occasion in a communications system (100). The UE (105) obtains assistance information from a network node (101). The UE (105) measures reference signals based on the assistance information. The UE (105) provides positioning measurement information based on the measured reference signals to the network node (101). The UE (105) obtains UE orientation information from the network node (101). The UE orientation information has been estimated by the network node (101). The UE (105) obtains information of relevance from the network node (101). The information of relevance is dependent on a UE position in which the UE (105) is currently located and a UE orientation. The UE (105) takes an action based on the obtained information of relevance.

Abstract: Methods and apparatuses provide a mechanism to account for timing errors of a wireless device (12) in positioning measurements. In one example, a wireless device (12) performs reference-signal transmissions or measurements and sends information to a network node (20) that is involved in positioning of the wireless device (12). The information indicates associations of the reference-signal transmissions or measurements with respective timing groups of the wireless device (12). Each timing group represents a related set of transmission or reception timing errors within the wireless device (12). Based on the information, the network node (20) accounts for the different timing-group associations when performing positioning calculations that are based on the reference-signal transmissions or measurements performed by the wireless device (12).

Abstract: There is provided a method performed by a radio node. The method comprises: receiving a request, from a network node, for timing error group (TEG) information; and in response to a failure to provide the TEG information, sending a message comprising an indication of failure to report the TEG information, to the network node. There is also a method performed by a network node. The method comprises: sending a request to a radio node for timing error group (TEG) information; and receiving, from the radio node, a message comprising an indication of a failure to provide the TEG information.

Abstract: A method in a network node and a network is provided to determine line of sight, LOS, base stations for a user equipment (UE) is provided. A request is provided to at least one of the UE and a plurality of base stations to measure and report LOS detection measurements, wherein the plurality of base stations includes base stations of a serving cell of the UE. The LOS detection measurements are received from the at least one of the UE and the plurality of base stations. LOS base stations for the UE are determined based on the LOS detection measurements. An indication of the LOS base stations is transmitted to the UE.

Abstract: A method performed by a User Equipment (UE) for determining an integrity level of an estimated position of the UE in a radio communications network. The UE obtains information from a network node operating in the radio communications network. The information is about service levels of positioning assistance information provided in the radio communications network. The service levels are related to any one or more out of Integrity (I), Availability (A), and Continuity (C). The UE further obtains positioning assistance information from the network node. The positioning assistance information relates to the established service levels. The UE then determines a positioning strategy based on the information about the service levels. The UE estimating the position of the UE according to the determined positioning strategy, and based on the obtained positioning assistance information, and determines an integrity level of the estimated position of the UE.

Abstract: A method for positioning reference signal configuration comprises receiving, from a network node, one or more first positioning reference signals in a first PRS configuration; performing one or more first measurements on the first PRS to determine one or more first characteristics of the one or more first PRSs; sending, to the network node, a second PRS configuration determined based on the one or more first characteristics; receiving, from the network node, a third PRS configuration, wherein the third PRS configuration comprises one or more third PRSs having at least one different signal characteristic than the one or more first characteristics of the first PRS; and performing one or more second measurements on the one or more third PRSs. The method provides a dynamic configuration for PRS based on the feedback from the UE and a location node, beamforming configuration, or any requirements for physical layer efficiently.

Abstract: Methods may be provided to operate a Radio Access Network RAN node of a wireless communication network. Information defining an operational environment in which a wireless device is operating may be obtained. Communication with the wireless device may be managed based on the information defining the operational environment in which the wireless device is operating. Related RAN nodes, computer programs, and computer program products are also discussed.

Abstract: A method for positioning reference signal configuration comprises receiving, from a network node, one or more first positioning reference signals in a first PRS configuration; performing one or more first measurements on the first PRS to determine one or more first characteristics of the one or more first PRSs; sending, to the network node, a second PRS configuration determined based on the one or more first characteristics; receiving, from the network node, a third PRS configuration, wherein the third PRS configuration comprises one or more third PRSs having at least one different signal characteristic than the one or more first characteristics of the first PRS; and performing one or more second measurements on the one or more third PRSs. The method provides a dynamic configuration for PRS based on the feedback from the UE and a location node, beamforming configuration, or any requirements for physical layer efficiently.