Abstract: A packet data unit (PDU) session release method and a network entity performing the same are disclosed. An access and mobility management function (AMF) may receive a PDU session release request message including an access type which is an access network to be released in a multi-access PDU (MA PDU) session from user equipment (UE) when the MA PDU session is established. The AMF transmits a first message including the access type to a session management function (SMF).

Abstract: Provided in the disclosure are an electronic device and method for a network control terminal, and an electronic device and method for a network node. The electronic device and method for a network control terminal comprise: a processing circuit configured to determine, based on first indication information from an adjacent network control terminal, that a network node served by the present network control terminal measures a channel state information reference signal (CSI RS) port of reference signal receiving power (RSRP) of same, wherein the first indication information indicates an interference state of the CSI RS port used by the corresponding adjacent network control terminal; and determine, based on a measurement result from the network node, the adjacent network control terminal interfering with the network node, and the CSI RS port thereof.

Abstract: The present invention provides a vehicle-to-X (V2X) operation method performed by a terminal in a wireless communication system, the method comprising the steps of: receiving, from a base station, information indicating at least one candidate resource occupied by a different terminal in relation to periodically-configured transmission resources, wherein the at least one candidate resource occupied by the different terminal is included in the transmission resources; and transmitting a V2X message generated by a terminal through the transmission resources on the basis of the information, wherein the terminal transmits the V2X message through a candidate resource which is not occupied by a different terminal among multiple candidate resources included in the transmission resources.

Abstract: A method for transmitting data by a terminal connected to a data relay device, the data transmitted by the terminal being forwarded by the relay device, includes the following steps implemented by the terminal: receiving an invitation message to transmit data; selecting a set of data to transmit; producing a data message to be transmitted, including the selected data; sending the data message in response to the invitation message.

Abstract: The present invention provides a method for determining an IOT service, comprising the following steps of: acquiring, by a first node, IOT capacity information and/or IOT preference information from a second node; and, determining, by the first node, an IOT behavior of a UE according to the acquired IOT capacity information and/or IOT preference information. The present application further discloses a corresponding equipment for determining an IOT service. The present application further discloses a method and equipment for controlling an IOT service behavior, and a method and equipment for selecting a core network node. With the present application, the overhead for signaling resources can be effectively reduced, and the utilization ratio of resources can be improved.

Abstract: This application provides a method including: generating, by an access point (AP), a plurality of first media access control MAC frames, where the plurality of first MAC frames are corresponding to a plurality of stations (STAs) in a one-to-one manner, and each of the plurality of first MAC frames carries a target wake time (TWT) parameter of a corresponding STA or instruction information for instructing a corresponding STA to send a TWT parameter to the AP; and sending, by the AP, a corresponding first MAC frame to each of the plurality of STAs simultaneously, where the first MAC frame is used to determine a TWT parameter with a STA corresponding to the first MAC frame. According to embodiments of this application, the AP can simultaneously negotiate with the plurality of STAs a TWT parameter of each STA by sending the corresponding first MAC frame to each of the plurality of STAs simultaneously.

Abstract: Methods for transmitting a channel state information-reference signals (CSI-RS) and a base station are provided, where the example method includes aggregating, by the base station, first configuration modes of K CSI-RSs to form a second configuration mode of the CSI-RSs, where K is an integer greater than or equal to 2, where each of the first configuration modes is a configuration mode of X ports, where a value of X is 2, 4, or 8, and where the first configuration mode includes a position of a resource element corresponding to each of the X ports. The second configuration mode is a configuration mode of X*K ports, and the second configuration mode includes a position of a resource element corresponding to each of the X*K ports. The method further includes sending, by the base station, a CSI-RS to user equipment UE using the second configuration mode of the CSI-RSs.

Abstract: A technique for transmitting and receiving a configuration message for a phase tracking reference signal, PT-RS, on a radio channel between a radio access node and a radio device is described. The radio channel comprises a plurality of subcarriers in a physical resource block, PRB. A subset of the subcarriers in the PRB is allocated to a demodulation reference signal, DM-RS. As to a method aspect of the technique, the configuration message is transmitted to the radio device. The configuration message comprises a bit field that is indicative of at least one subcarrier allocated to the PT-RS among the subset of subcarriers allocated to the DM-RS.

Abstract: A method comprises receiving a data signal on a data channel and a pilot signal on a pilot channel, demodulating the received data signal and the received pilot signal to obtain a demodulated data signal and a demodulated pilot signal, generating a data stream by decoding the demodulated data signal, generating a feedback signal by encoding the data stream, and performing a measurement of a coherent sum signal comprising the coherent sum of (1) the demodulated pilot signal and (2) the product of the demodulated data signal and the feedback signal.

Abstract: Provided is a process that includes obtaining a directed acyclic graph describing a plurality wireless connections between a plurality of downstream nodes forming a multi-path route to an Internet connected wireless transceiver; determining an encoding kernel specifying transformations to be performed by the plurality of downstream nodes on data received from upstream nodes; transmitting at least part of the encoding kernel to at least some of the downstream nodes; and transmitting data from a data source to a downstream node in the directed acyclic graph specified by the encoding kernel such that the data is conveyed through the multi-hop, multi-path route to the Internet connected wireless transceiver.

Abstract: The present disclosure relates to a communication technique for converging a 5G communication system, which is provided to support a higher data transmission rate beyond a 4G system with an IoT technology, and a system therefor. The present disclosure may be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. The present disclosure discloses a method and an apparatus for supporting a multiple access in next generation mobile communication systems.

Abstract: A method for a network element in a network, through which network element a communications device can communicate with the network via one or more connections, the method comprising: detecting traffic for the one or more connections from the communications device; in response to no traffic being detected on a connection for a first time period, closing each connection for which no traffic has been detected for a second time period, among the one or more connections. Corresponding network element is also provided.

Abstract: A wireless communication system, an apparatus, and a method in a wireless communication system. The apparatus includes a processing circuit. The processing circuit is configured to: detect whether a pre-set power margin reporting trigger event is satisfied; and trigger, if the pre-set power margin reporting trigger event is satisfied, reporting of a power margin of a user equipment to a base station, wherein the pre-set power margin reporting trigger event includes at least one of the following events: a first event of having detected an idle channel on an unlicensed band; and a second event of having received uplink scheduling licensed signalling from the base station. A power margin in an LAA system can be effectively reported.

Abstract: A method and apparatus is provided that controls the handover between distributed units (DUs) (inter-DU handover) in an eNB including a central unit (CU) and a DU. The method and system fuses 5G communication systems with IoT technology to transmission data at a high rate after 4G systems. The communication method and system is applied to intelligent services, based on 5G communication technology and IoT related technology, for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail business, security, safety-related services, etc.

Abstract: According to an embodiment of the present specification, a method for transmitting an uplink frame in a wireless local area network (WLAN) system and performed by a user station (STA) includes: receiving from an access point (AP) a trigger frame comprising association identifier information for orthogonal frequency division multiple access (OFDMA)-based random access and allocation information indicating a resource unit, wherein the association identifier information indicates any one of a first value irrelevant to whether being associated with the AP, a second value for a first STA group associated with the AP, and a third value for a second STA group un-associated with the AP; and performing a countdown operation according to the association identifier information based on a backoff value which is set in a backoff counter of the user STA in order to transmit the uplink frame.

Abstract: In one embodiment, a networking device in a network detects a traffic flow conveyed in the network via the networking device. The networking device generates flow data for the traffic flow. The networking device performs a classification of the traffic flow using the flow data as input to a machine learning-based classifier. The networking device performs a mediation action based on the classification of the traffic flow.

Abstract: A system is disclosed in which a communication device provides measurement reports to a communication network. The communication device connects to a cell of the network and receives configuration data for at least one relay specific trigger event for triggering measurement reporting for at least one relay cell operated by a relay device for the base station. The communication device performs measurements and sends a measurement report to the communication network when the trigger event has occurred.

Abstract: A mobile communication device may include a first modem configured to transmit and receive radio signals on a cellular wide area radio access, a second modem configured to transmit and receive radio signals on a short range radio access, and a connection management circuit configured to monitor radio access transfers of one or more packet data network connection to generate a transfer history database, determine from the transfer history database if excessive previous transfers of the one or more packet data network connections occur between the cellular wide area radio access and the short range radio access, identify an available transfer of a target packet data network connection of the one or more packet data network connections between the first modem and the second modem, and selectively block the available transfer between the first modem and the second modem based on if excessive previous transfers of the one or more packet data network connections occur between the first modem and the second modem.

Abstract: An apparatus and method for generating a broadcast signal frame using enhanced layer dummy values are disclosed. An apparatus for generating broadcast signal frame according to an embodiment of the present invention includes a combiner configured to generate a multiplexed signal by combining a core layer signal and an enhanced layer signal; a power normalizer configured to reduce the power of the multiplexed signal to a power level corresponding to the core layer signal; a time interleaver configured to generate a time-interleaved signal by performing interleaving that is applied to both the core layer signal and the enhanced layer signal; and a frame builder configured to generate a broadcast signal frame including a preamble for signaling time interleaver information corresponding to the time interleaver, the time interleaver uses one of time interleaver groups, and enhanced layer data corresponding to the one of the time interleaver groups include dummy values.

Abstract: The present application provides a method and apparatus for uplink data transmission from a UE in a communications network, wherein the UE is configured for WLAN connectivity and wherein the UE is in RRC_INACTIVE state. The method comprises an uplink transmission from the UE in RRC_INACTIVE to a WT having a link with a gNB.