Abstract: Embodiments described herein relate to methods and apparatus for managing packet dropping in the fronthaul network. A method in a packet processing system includes receiving a plurality of data packets for transmission over the fronthaul network, wherein the plurality of data packets include radio data; obtaining first information for the plurality of data packets, wherein the first information is related to transmission of the radio data over a radio access interface in the radio network; and responsive to a requirement to decrease a load in the fronthaul network, selecting at least one of the plurality of packets to drop by applying at least one prioritization rule to the plurality of data packets based on the obtained first information.

Abstract: A method for wireless communication includes: scheduling, by a wireless station, a first uplink (UL) transmission from a wireless device; determining, by the wireless station, a need for a higher priority uplink transmission that uses resources overlapping with the first UL transmission; determining, by the wireless station, a reference region, within which a UL cancellation indication (CI) is to be applied; determining, by the wireless station, a set of UL resources in the reference region for cancellation, wherein at least a subset of the UL resources in the reference region are interlaced; sending, via a downlink control channel, indication of the determined set of UL resources for cancellation (e.g., by indicating particular interlaces and/or particular Physical Resource Blocks within such interlaces that are to be canceled); and receiving, at the wireless station, the higher priority uplink transmission via at least a subset of the determined set of cancelled UL resources.

Abstract: A user equipment that includes a radio transceiver that performs wireless communication in an unlicensed band, and circuitry that performs RLM using downlink physical signals, measures a radio link quality, evaluates the radio link quality against thresholds Qout and Qin, indicates out-of-sync to higher layers from a physical layer, indicates in-sync to the higher layers from the physical layer, starts a first timer when the out-of-sync is consecutively indicated to the higher layers from the physical layer, and determines that a radio link failure occurs in a case where the first timer expires without consecutive in-sync indications, and the first timer is different from a second timer used to determine whether a radio link failure occurs in a wireless communication in one or more serving cells in a licensed band.

Abstract: Embodiments of the disclosure provide a method and a terminal for initiating a time sensitive communication (TSC) service, and a storage medium. The terminal transmits request information for a TSC service to a network node, the request information including time parameters of the TSC service. The network node transmits response information including modified time parameters to the terminal, so that the terminal may perform the TSC service based on the response information, thereby implementing the TSC service initiated by the terminal.

Abstract: Systems and methods are provided for optimizing layer assignment to UEs that are currently on an LTE network, or that are experiencing EPS fallback and are moving from 5G to LTE. Instead of blindly assigning a UE an LTE layer or assigning the same layer to all UEs, aspects provided for an intelligent and dynamic selection of an LTE layer for each UE. The network may analyze one or both of layer compatibility information and historical data associated with the UEs. With this information, the network assigns an LTE layer to each UE.

Abstract: The present disclosure provides a method for improving call performance in a wireless network. The method includes sending an invite request to a server to initiate a Voice over New Radio (VoNR) service, where the UE is connected with a first network entity, and where the invite request comprises a media feature tag. The method includes initiating an Evolved Packet System fallback (EPS FB) service timer based on the media feature tag and a quality of service (QoS) timer and establishing a call over a second network entity using a dedicated bearer when the EPS FB command is received from the server. The call is established over the second network entity using the dedicated bearer by sending a service request to the server and/or sending an update request to the server when the EPS FB timer is expired and the EPS FB command is not received from the server.

Abstract: Methods, apparatuses and systems for user-plane congestion management are provided. Among these method, apparatuses and systems is a method, implementable by a base station (and/or a serving gateway), for mitigating user plane congestion. The method may include sending a congestion indication to a core network; receiving a general packet radio system (GPRS) tunneling protocol (GTP) packet including an first internet protocol (IP) packet associated with a first flow within a bearer; obtaining, from a header of the GTP packet, an indicator indicative of a priority of the IP packet, wherein the indicator was inserted into the header of the GTP packet by the core network responsive to the congestion indication; and dropping any of the GTP packet and the first IP packet on condition that a priority of a second IP packet associated with second flow within the bearer takes precedence over the priority of the first IP packet.

Abstract: A wireless transmission device includes a repetition coding unit that prepares a basic waveform having a length less than a frequency conversion length that is used in a wireless reception device, generates a repetition waveform having a length greater than or equal to the frequency conversion length by repeating the basic waveform a plurality of times, and generates a data frame including the repetition waveform and a known signal.

Abstract: Exemplary embodiments include methods performed by a central unit, CU, of a base station, for selecting a special cell, SpCell, to be used by a first distributed unit, DU, of the base station for serving a user equipment, UE. Such embodiments can include sending, to the first DU, a first request comprising an identity of a first cell, served by the first DU, as a preferred SpCell for the UE; and identities of one or more second cells served by the first DU. Such embodiments can also include receiving, from the first DU, a first response comprising a first indication that the first DU cannot configure the first cell as an SpCell for the UE, and a second indication that the first DU can configure zero or more third cells as an SpCell for the UE.

Abstract: In one embodiment, a method comprises: generating, by a constrained low power and lossy network (LLN) device that is localized within a subregion of an LLN, a thin destination oriented directed acyclic graph (DODAG) having up to a prescribed limit of attached LLN devices at each hop of the thin DODAG based on generating a DODAG information object (DIO) message specifying an instruction for limiting attachment at each hop of the thin DODAG to the prescribed limit; and causing, by the constrained LLN device, multicast-only transmissions via the thin DODAG based on inserting into the DIO message a multicast-only transmission mode via the thin DODAG and outputting the DIO message, the DIO message causing each neighboring LLN device to selectively attach to the constrained LLN device as an attached child LLN device based on the instruction and execute the multicast-only transmissions via the thin DODAG.

Abstract: Aspects of the subject disclosure may include, for example, performing dynamic beam selection and coordination to support space division multiplexing (SDM) and Full Duplex operation for integrated access and backhaul (IAB) in 5G new radio (NR) networks. The subject disclosure further describes how an IAB node and a serving parent node can coordinate beams used for access and backhaul links dynamically with over-the-air signaling. Other embodiments are described in the subject disclosure.

Abstract: In some examples, a method includes receiving, by an egress network device for a network, messages from each of a plurality of ingress network devices for the network, wherein each of the messages specifies a multicast source, a multicast group, and an upstream multicast hop weight value for multicast traffic for the multicast source and the multicast group; selecting, by the egress network device and based on the upstream multicast hop weight values specified by the received messages, one of the plurality of ingress network devices to which to send a multicast join message of a plurality of multicast join messages for the multicast source and multicast group; and sending, by the egress network device, the multicast join message to the selected one of the plurality of ingress network devices.

Abstract: Described herein is a system and method in a user equipment (UE) supporting registration using third generation partnership project (3GPP) access and using non-3GPP access, the method comprising storing, in a memory of the UE, first emergency information received using first registration procedures; receiving, by the UE, a REGISTRATION ACCEPT message using second registration procedures via non-3GPP access; and keeping, in the memory, the first emergency information after receiving the REGISTRATION ACCEPT message.

Abstract: Embodiments include methods in a communication system including host computer, base station, and UE. The base station can send the UE an indication of an active bandwidth part (BWP) of a size NZBWP,1size frequency-domain resource blocks (RBs), and select frequency-domain RBs, within the active BWP, to be assigned for carrying the user data to the UE. The base station can encode an indication of the selected frequency-domain RB(s) represented by a starting virtual RB, RBstart, and a length of contiguously allocated RBs, LRBs, using a number of bits. The number is a plurality and related to a size NBWP,2size of another BWP than the active BWP. NBWP,2size is smaller than NBWP,1size. The starting virtual RB is encoded with a resolution of K RBs, with K determined based on a ratio of NBWP,1size and NBWP,2size. The base station can send the encoded indication to the UE via a downlink control channel.

Abstract: Embodiments of the present invention provide a communication method, an access network device, a core network device, and user equipment. The method includes: receiving, by an access network device, first information sent by a core network device, where the first information includes information about a cell that supports a network slice instance and that allows or does not allow user equipment to access; and sending, by the access network device, the first information to the user equipment. In the foregoing process, the user equipment may obtain the information about a cell that supports a network slice instance and that allows or does not allow the user equipment to access, to aware the network slice instance.

Abstract: A geographical identification forwarding method for area-oriented addressing. The geographic location information is used as a transmission identification, and the communication process based on the geographical identification is realized by constructing the SDN-based geographical identification transmission architecture. In this method, a geographical identification is used instead of a traditional IP identification for network transmission, which effectively alleviates the problem of narrow waist of IP single bearing in the current network. At the same time, through a flow table decomposition design, the flow table size of the switch is effectively controlled. The method provided by the present invention can be extended to a plurality of geographical identification areas to realize large-area real-time cross-domain transmission.

Abstract: The present disclosure relates to a method, device, and apparatus for time division duplex synchronization for a distributed antenna system, and a medium. The method comprises: decoding a SS/PBCH block from a time division duplex cell, and obtaining an index of the SS/PBCH block; determining, according to the index of the SS/PBCH block, a starting position of a radio frame in which the SS/PBCH block is located; and performing time division duplex synchronization according to the starting position of the radio frame and a preset uplink and downlink configuration of the radio frame.

Abstract: Exemplary embodiments include a system having a first wireless audio output device configured to connect to a source device via a first piconet and a second wireless audio output device configured to connect to the first wireless audio output device via a second piconet. A schedule of the first piconet includes a plurality of slots associated with an audio packet, a first subset of the slots used by the source device to transmit the audio packet, the first and second wireless audio output devices tuning to the first piconet to listen for the transmissions of the audio packet, and when, after a last one of the first subset of slots, the first or second wireless audio output devices did not receive the audio packet, the first and second wireless audio output devices exchange information via the second piconet such that the both wireless audio output device receive the audio packet.

Abstract: Techniques are disclosed for performing time synchronization at a plurality of computing devices in a network. In one example, a method comprising obtaining timestamp data in accordance with a synchronization operation for a timing protocol; computing a skewness estimate and an offset estimate from the timestamp data by executing a regression analysis, wherein the regression analysis is configured to train a first model to predict the offset estimate and the skewness estimate, the offset estimate comprising a clock time difference between the first clock and the second clock; computing a corrected skewness estimate and a corrected offset estimate based on a second model having parameters based on the offset estimate and the skewness estimate; and modifying a current time value of at least one of the first clock or the second clock based on at least one of the corrected offset estimate or the corrected skewness estimate.

Abstract: A method for operating a user plane entity configured to handle a user plane of data packet sessions exchanged in a cellular network, each data packet session comprising data packet flows of a plurality of applications, the data packet flows of each application being identified by an application identifier, the method includes: determining that a tracking of data packet flows identified by an application identifier should be stopped, determining one or more application detection filters configured to detect data packet flows identified by the application identifier, removing the one or more application detection filters and the application identifier from the user plane entity, and requesting a session control entity configured to control the data packet sessions to remove packet detection rules usable to detect the data packet flows identified by the application identifier, wherein the request includes the application identifier.