Abstract: A method, apparatus, and a computer-readable storage medium are provided for correcting time of departure of positioning reference signals (PRRs) used in estimating location of a user equipment in wireless networks. In one example implementation, the method may include receiving, by a user equipment (UE), one or more positioning reference signals (PRSs) from each cell of a plurality of cells. The example method may further include determining, by the user equipment (UE), arrival times of positioning reference signals (PRSs) from different cells of the plurality of cells; and transmitting, by the user equipment (UE), reference signal time difference (RSTD) values.

Abstract: A network registration method includes: generating first non-access stratum (NAS) signaling, the first NAS signaling comprising first identity identifier information concerning a first user device and second identity identifier information concerning a second user device, wherein when the first user device is an unmanned aerial vehicle, the second user device is an unmanned aerial vehicle controller, and when the first user device is an unmanned aerial vehicle controller, the second user device is an unmanned aerial vehicle; and sending the first NAS signaling to a core network to request for registration of pairing information concerning the unmanned aerial vehicle and the unmanned aerial vehicle controller.

Abstract: A method for an apparatus in a wireless communication system according to an embodiment comprises the steps of: receiving information on a transmission time point of a plurality of positioning reference signal (PRS) resources included in at least one PRS resource set; measuring information associated with positioning for each of the plurality of PRS resources, on the basis of the information on the transmission time point; and on the basis of the information associated with the positioning, transmitting at least one from among an identifier (ID) of a specific PRS resource of the plurality of PRS resources, or an ID of a PRS resource set including the specific PRS resource, and a transmission and reception point (TRP) ID associated with the PRS resource set including the specific PRS resource. The UE is capable of communicating with at least one of another UE, a UE related to an autonomous driving vehicle, the BS or a network.

Abstract: The present disclosure provides an indoor positioning method and an electronic device. The method includes: determining a current state of an electronic device according to a current speed parameter of a sensor; if it is determined that the electronic device is currently in a motion state, turning on a Bluetooth positioning circuit in the electronic device; determining a current location of the electronic device according to positioning beacon information obtained by the Bluetooth positioning circuit.

Abstract: A system for facilitating sending and receiving of security alerts may include a processor communicatively coupled to a memory and a network interface, the network interface communicatively coupled to a network. A fixed location manager and a roving location manager may be communicatively coupled to the network interface and the network and may be configured to: (i) receive security messages from a plurality of user mobile devices coupled with the network, (ii) create a fixed forum security message and a roving forum security message, each of which is associated with a geographic location of one of the security messages, and (iii) send the fixed forum security message and the roving forum security message to all of the plurality of user mobile devices that comprise a fixed alert area or a roving alert area associate with the geographic location.

Abstract: Systems and methods are provided for monitoring aircraft to mitigate potential loss of communication scenarios. One exemplary method involves monitoring a plurality of communications channels using an onboard communications system, maintaining associations between respective communications channel assignments and respective operational contexts based on the plurality of clearance communications, and in response to detecting a change in an operational context of the aircraft, providing indication of a recommended communications channel based on an association between the recommended communications channel and one of the plurality of different operational contexts corresponding to a current operational context of the aircraft.

Abstract: Methods, systems, and devices for wireless communications are described. A method for wireless communication at a user equipment (UE) may include: receiving a multicast bandwidth part configuration for multicast communications between a base station and the UE, where the multicast bandwidth part configuration includes a maximum number of multiple-input, multiple-output layers to be used for the multicast communications; establishing a multicast link with the base station for multicast communications; determining to use a reduced number of antennas for multicast reception than the number of antennas used for unicast reception, or determining that the UE is able to decode the multicast communications prior to a remaining portion of the multicast communications; and receiving the multicast communications via the reduced number of antennas, or reducing the radio frequency power prior to completion of a number of repetitions or retransmissions of the multicast communications.

Abstract: A method for providing a location tracking service on the basis of context-aware information of a location tracker, according to the present invention, transmits a signal while changing a communication method by classify a situation as an emergency situation and a normal state which is a non-emergency situation according to the context-aware information of the location tracker, such that it is possible to use power consumption reduced by a low-power communication method in the normal state, and in case of the emergency situation, to safely handle the emergency situation through a sufficient power communication method.

Abstract: Disclosed is a system to prioritize multiple issues associated with a wireless telecommunication network. The system obtains the multiple issues associated with the wireless telecommunication network, where an issue among the multiple issues impacts a UE associated with the wireless telecommunication network. The system obtains a number of UEs impacted by the issue, an indication of importance of severity associated with the issue, and an indication of importance of current UE experience. Based on the number of UEs impacted by the issue, the indication of importance of severity of the issue, and the indication of importance of current UE experience, the system computes a priority associated with the issue. Based on the priority, the system prioritizes the multiple issues to obtain a prioritized list. The system provides the prioritized list indicating an order in which to resolve the multiple issues.

Abstract: In accordance with an aspect of the present disclosure, there is provided a handover management method performed by a session management function (SMF). The method comprises, receiving handover information related to a user equipment (UE) receiving a predetermined service by accessing a source radio access network (S-RAN), obtaining, after receiving the handover information, resource information on a resource used when the predetermined service is provided to the UE at the S-RAN, and transmitting, to a user plane function (UPF), a request that a resource corresponding to the obtained resource information is to be secured in a target radio access network (T-RAN).

Abstract: A system, method and storage medium for synchronization between nodes includes transmitting, by a first node, a first synchronization message; determining, by the first node, a first time at which the first synchronization message is transmitted; transmitting, by the first node, a second synchronization message containing a tx timestamp corresponding to the first time; receiving, by a second node, the first synchronization message from the first node; determining, by the second node, a second time at which the first synchronization message is received; storing, by the second node, a rx timestamp corresponding the second time; receiving, by the second node, the second synchronization message from the first node; determining, by the second node, a current local time at which the second synchronization message is received; reading, by the second node, the tx timestamp in the first synchronization message; adjusting, by the second node, the current local time of the second node by adding a difference between the

Abstract: A method for managing subscription profiles of a security element, which is provided for use in a mobile end device and on which a profile manager and at least one first subscription profile is loaded, includes: loading a second subscription profile from a subscription management server; checking whether the at least one first loaded subscription profile satisfies a predetermined condition; and putting the at least one first subscription profile out of operation when the at least one first subscription profile satisfies the predetermined condition.

Abstract: Embodiments of the present invention provide an apparatus and method for a MAP wireless network that includes a collaborative channel sounding measurement phase to determine channel state information between devices (e.g., the channel state between an STA and a collaborative AP) for efficient configuration of the MAP wireless network and to improve the performance of the MAP wireless networks. The wireless AP and wireless STAs associated with the collaborative APs can simultaneously transmit by applying collaborative beamforming where the interferences between channels nullify each other (e.g., nulling), and the beamforming is performed based on a sounding phase performed by the collaborative APs.

Abstract: Embodiments of this application provide a channel estimation method and apparatus, and relate to the field of communications technologies, to help reduce indication overheads. The method includes: generating and sending indication information, wherein the indication information is used to indicate M N-dimensional precoding vectors, each precoding vector is applied to one of M frequency bands, the M N-dimensional precoding vectors form a space-frequency matrix, and the space-frequency matrix is generated by performing weighted combination on a plurality of space-frequency component matrices, wherein the space-frequency matrix is an M×N-dimensional space-frequency vector or an X×Y space-frequency matrix, X and Y are one and the other of M and N, M?1, N?2, and both M and N are integers.

Abstract: An antenna device, a positioning system and a positioning method are provided. The positioning method includes: dispersedly arranging a plurality of receivers to form a target area, in which each of the receivers includes the antenna device; receiving a wireless signal from the target area through the antenna device, and generating a difference signal strength and a sum signal strength; calculating, for each of the receivers, a sum-difference ratio between the difference signal strength and the sum signal strength, and estimating a corresponding one of estimated incident angles according to the sum-difference ratio and a comparison table; executing, in response to obtaining the estimated incident angles corresponding to the receivers, a positioning algorithm according to the estimated incident angles, so as to generate a plurality of possible positions; and executing an optimization algorithm to calculate a best estimated position of the possible positions.

Abstract: A listening device for tracking locations of a tracking device in a physical space includes one or more wireless transceivers, one or more sensors, and one or more processors. The processors generate positional indicators associated with the listening device based on signals generated by the one or more sensors, based on communications with an external device, or both. The listening device communicates with the tracking device to receive a tracking signal, based on which the processors identify a position of the tracking device relative to the listening device. The tracking device is located within the physical space based on the identified position of the tracking device relative to the listening device and the positional indicators associated with the listening device.

Abstract: Methods, systems, and devices for wireless communications are described. A method for wireless communication at a user equipment (UE) may include: receiving a multicast bandwidth part configuration for multicast communications between a base station and the UE, where the multicast bandwidth part configuration includes a maximum number of multiple-input, multiple-output layers to be used for the multicast communications; establishing a multicast link with the base station for multicast communications; determining to use a reduced number of antennas for multicast reception than the number of antennas used for unicast reception, or determining that the UE is able to decode the multicast communications prior to a remaining portion of the multicast communications; and receiving the multicast communications via the reduced number of antennas, or reducing the radio frequency power prior to completion of a number of repetitions or retransmissions of the multicast communications.

Abstract: Systems, methods, and computer-readable media herein generate an E911 location report based on an uncertainty associated with a device-based hybrid (DBH) location received from a UE device. The uncertainty may be compared to an uncertainty threshold value to determine which values to include in a location report sent to a PSAP. A civic address associated with a UE device may be included in a location report where the uncertainty is sufficiently low, thus a location report can be sent to a PSAP with the most relevant and accurate information so that first responders can more effectively locate a distressed caller.

Abstract: Methods, systems, and devices for wireless communications are described. A device (e.g., a base station or a user equipment (UE)) may identify a sequence length corresponding to a number of resource blocks, and select a modulation scheme based on the sequence length. The device may select, from a set of sequences associated with the modulation scheme, a sequence having the sequence length. In some examples, the set of sequences may include at least one of a set of time domain phase shift keying computer-generated sequences or a set of frequency domain phase shift keying computer-generated sequences. The device may generate a reference signal for a data transmission based on the sequence and transmit the reference signal within the number of resource blocks.

Abstract: According to various examples, a method for operating a wireless communication device (200) connectable to a cellular network (50) comprising a plurality of cells (300-340) is provided. The method comprises receiving (701), from the cellular network (50), configuration information for delaying a transmission of a paging area update request that triggers a paging area update of a paging area of a paging operation of the wireless communication device (200). Furthermore the method comprises, when operating in a disconnected mode associated with the paging operation, determining (703) that the paging area update is required, and upon determining (703) that the paging area update is required, delaying (708) the transmission of the paging area update request in accordance with the configuration information.