Abstract: A method for providing multicast services to mobile devices, comprising: providing, at a controller node, an interface representing a single network node to a multicast server node; receiving, at the controller node, link status messages from a first and a second network node; constructing, at the controller node, a multicast route at the controller node based on the received link status messages; receiving, at the controller node, a multicast data stream from the multicast server node; and sending the multicast data stream to at least two mobile devices via the constructed multicast route.

Abstract: Disclosed is a method for communicating data of a V2X communication apparatus. The method for communicating data of a V2X communication apparatus according to an embodiment of the present invention includes receiving service advertisement information for announcing a service; and receiving service data based on the service advertisement information, the service advertisement information includes at least one of a header and a service information segment or a channel information segment.

Abstract: A method of receiving system information (SI) includes: a first SI request for requesting a base station to broadcast at least one piece of to-be-requested SI is sent to the base station, where the at least one piece of the to-be-requested SI belongs to second type, not broadcasted SI; the at least one piece of the to-be-requested SI broadcasted by the base station in response to the first SI request is received according to pre-acquired scheduling information; upon determining that any of one or more pieces of to-be-requested SI is not successfully received, a second SI request for requesting the base station to unicast the to-be-requested SI not successfully received by present UE is sent to the base station; and the to-be-requested SI not successfully received by the present UE, which is unicasted by the base station in response to the second SI request, is received.

Abstract: It is possible to reduce the implementation complexity associated with dynamic carrier configuration by defining overlapping sets of candidate numerologies for at least some carriers in the network. A common numerology is included in sets of candidate numerologies pre-associated with two different carriers. This reduces the amount of numerologies that need to be supported by the corresponding user equipments (UEs) and base stations, which in turn reduces the complexity of those devices, e.g., less complex hardware, protocol stacks, and software, lower storage and processing requirements, etc. The common numerology specifies a common subset of physical layer parameters for both carriers. In one example, the common numerology specifies the same sub-carrier frequency spacing and symbol duration for both carriers. The common numerology may further specify the same cyclic prefix (CP) length for symbols communicated over both carriers.

Abstract: There is provided a method, in a wireless device, for communicating with a network node using autonomous Uplink (UL) access. The method comprises: after sending a data transmission to a network node, starting a retransmission window associated with a feedback process of the data transmission, the retransmission window including a first timer; and in response to detecting an absence of a feedback signal during a time period given by the first timer, retransmitting the data after expiry of the first timer.

Abstract: A device comprising a plurality of antennas operable to transmit and receive communication packets via a plurality of communication protocols and an integrated circuit chip coupled to the plurality of antennas. The integrated circuit chip comprises a first and a second plurality of processing elements. The first plurality of processing elements operable to receive communication packets via a first one of a plurality of communication protocols and process an optimal route. The second plurality of processing elements communicatively coupled to the first plurality of processing elements and operable to determine the optimal route to transmit the communication packets from a source device to a destination device based, at least in part, on transmission characteristics associated with at least one of the source or destination devices.

Abstract: An illustrated embodiment disclosed herein is a method including receiving, by an endpoint and from a satellite, a downlink (DL) frame including a reduced power portion of the DL frame, measuring, by the endpoint, a signal strength of the reduced power portion of the DL frame, selecting, by the endpoint, an uplink (UL) spreading factor (SF) and a UL transmit (Tx) backoff associated with a target UL Tx power at which to send a UL frame, measuring, by the endpoint, a first rise-over-thermal, sending, by the endpoint and to the satellite, the UL frame including at least one of the UL SF or the first rise-over-thermal, receiving, by the endpoint and from the satellite, a DL physical data unit (PDU) modulated by a DL SF selected by the satellite, and demodulating, by the endpoint, the DL PDU simultaneously at a plurality of SFs.

Abstract: A wireless communication terminal capable of increasing the utilization efficiency of ACK/NACK resources and suppressing unnecessary PUSCH band reduction while avoiding ACK/NACK collision. The wireless communication terminal has a configuration provided with: a reception unit for receiving a control signal including ARI via an E-PDCCH set from among one or a plurality of E-PDCCH sets; a control unit for determining an offset value indicated by the ARI on the basis of whether or not a resource region that may be taken by a dynamic ACK/NACK resource corresponding to the E-PDCCH set that has received the control signal and a resource region that may be taken by a dynamic ACK/NACK resource corresponding to another E-PDCCH set overlap, and imparting an offset to the ACK/NACK resource according to the value of the ARI; and a transmission unit for transmitting the ACK/NACK signal using the determined ACK/NACK resource.

Abstract: Methods, systems, and devices for signal processing and wireless communication are described. For example, a device may include a plurality of antennas operable to transmit and receive communication packets via a plurality of communication protocols and an integrated circuit chip coupled to the plurality of antennas. The integrated circuit chip may comprise a first and a second plurality of processing elements. The first plurality of processing elements may be operable to receive communication packets via a first one of a plurality of communication protocols and process an optimal route. The second plurality of processing elements may be communicatively coupled to the first plurality of processing elements and operable to determine the optimal route to transmit the communication packets from a source device to a destination device based, at least in part, on transmission characteristics associated with at least one of the source or destination devices.

Abstract: Disclosed is a method that includes receiving absolute wireless access point coordinates from wireless access points that define respective wireless access point positions of the wireless access points. The method includes orienting the directional antenna to orientations based on the absolute wireless access point coordinates. The method includes transmitting test signals to the respective wireless access points while the directional antenna is positioned at the orientations to generate the database entries associated with the respective wireless access point positions. The method includes orienting the directional antenna according to a first one of the database entries having a greatest likelihood to establish a first communications path between a first one of the wireless access points and the wireless endpoint. The method includes transmitting a data signal to the first one of the wireless access points with a minimum transmission power based on the database entries.

Abstract: Techniques discussed herein can facilitate transmission and reception of group common PDCCH (Physical Downlink Control Channel) for NR (New Radio). One example embodiment employable by a UE (User Equipment) comprises processing circuitry configured to: process higher layer signaling that configures a set of combinations for slot formats for the UE; detect, via blind decoding on at least a portion of a control resource set, a DCI (Downlink Control Information) message that indicates a combination for slot formats of the set of combinations for slot formats via a SFI (slot format indicator); and determine a slot format for one or more slots based on the indicated combination for slot formats, wherein the slot format indicates, for each symbol of the one or more slots, whether that symbol is DL (Downlink), UL (Uplink), or a flexible symbol in the slot format.

Abstract: In one aspect of the teachings herein, a radio network node associated with a source cell provides sidelink configuration information to a wireless device to be handed over to a target cell. The information indicates the sidelink synchronization and resource configurations associated with the target cell, and the wireless device performs sidelink communications based on the sidelink synchronization and resource configurations of the target cell. Receiving the sidelink resource and timing information associated with the target cell enables the wireless device to perform sidelink communications using the target-cell resources and timing, even while still being served in a cellular sense from the source cell. Thus, the wireless device may begin or resume sidelink communications using the sidelink timing and resources associated with the target cell, irrespective of whether cellular handover of the wireless device from the source cell to the target cell has completed.

Abstract: A packet processing apparatus includes a plurality of queues that store received packets according to types of the received packets; and a processor coupled to the plurality of queues and configured to: collect information on packet quantity of received packets in each time slot, identify a periodicity pattern of the received packets based on the packet quantity of the received packets in each time slot, based on the identified periodicity pattern of the received packets, identify a time slot section where received packets of a predetermined type are to be outputted preferentially, and control opening and closing of each of the plurality of queues in the identified time slot section.

Abstract: The method of establishing a multicast data channel in a network virtualization system includes: creating, on a controller, a virtual remote logical interface for an external interface of a remote node; generating, a multicast tree tunnel that uses a core node as a root, and obtaining a multicast protocol packet sent by a device outside the network virtualization system; acquiring, a multicast source address and a multicast group address from the multicast protocol packet, and generating a multicast forwarding table; searching, the multicast forwarding table for an external interface of the core node, searching for an outbound interface of the multicast tree tunnel on the core node according to the multicast tree tunnel, and generating a P2MP PW forwarding table of the core node, and sending the P2MP PW forwarding table of the core node to the core node. The method implements a multicast service in a virtual cluster router.

Abstract: Techniques are directed to using communication metric data associated with multiple modulation schemes to achieve a link quality metric that is representative of the link as a whole, across the multiple modulation schemes that may be employed on the link. A calculation of a link quality metric may be triggered by a network layer transmission attempt, with communication metrics accumulated at the link layer of the link. A filter used to calculate the link quality metric may be updated based on network layer transmission attempts, based on successful and/or unsuccessful transmissions at a Media Access Control (MAC) layer of the link. More generally, a calculation of link quality may be triggered by a higher layer transmission attempt while being calculated based on transmission attempts at a lower layer of the link.

Abstract: A terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs). A method comprises determining that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; and requesting from the first and second network devices a first and a second transmission grants, respectively, based on the first and second TA values, such that an order of the first and second transmission grants requested is based on values of the first and second TA values.

Abstract: Embodiments of the present disclosure provide a service indication method, a base station, a terminal, and a system. The method includes: sending, by the base station, first service indication information to the terminal, where the first service indication information includes an identifier of a first frequency channel number and an identifier of a first service associated with the first frequency channel number; determining, by the base station, a second service associated with a second frequency channel number; and sending second service indication information to the terminal, where the second service indication information includes the identifier of the first frequency channel number and an identifier of the second service. In the solution in the embodiments of the present disclosure, after indicating a service associated with a frequency channel number, a service identifier may further indicate a service associated with another frequency channel number with a same physical frequency.

Abstract: Embodiments of this application provide a method and an apparatus for setting a symbol in a communications system that uses a plurality of subcarrier spacings. The method includes: obtaining, by a terminal, a length of a reference blank symbol, where the length of the reference blank symbol is associated with a first subcarrier spacing, and the first subcarrier spacing is a minimum subcarrier spacing in the plurality of subcarrier spacings; and setting, by the terminal based on the length of the reference blank symbol and time domain information of the reference blank symbol, a blank symbol for a subcarrier corresponding to a second subcarrier spacing in the plurality of subcarrier spacings. According to the method and apparatus for setting a symbol provided in the embodiments of this application, when setting, based on the length of the reference symbol, a blank symbol in a subframe corresponding to a subcarrier used by the terminal, the terminal may set one or more complete symbols as blank symbols.

Abstract: A system includes a first and at least one second processing circuit, a configuration engine, and a switch. The configuration engine stores a virtual link configuration for a plurality of virtual links, which indicates a priority and a predetermined network pathway for communicating data packets from the first processing circuit to the at least one second processing circuit. The configuration engine automatically assigns priority to a first virtual link of the plurality of virtual links based on at least one of latency or jitter. The switch receives a first data packet from the first processing circuit. A first virtual link identifier is extracted from the first data packet. A first priority and a first predetermined network pathway corresponding to the first virtual link identifier from the virtual link configuration are retrieved. The first data packet is transmitted along the first predetermined network pathway based on the first priority.

Abstract: A system for enabling signal penetration into a building includes an antenna located on a roof of a building for receiving signals at a first frequency that experience losses when penetrating into an interior of the building from a remote base station. First circuitry, located on an outside of the building, receives the signals at the first frequency that experiences losses when penetrating into the interior of the building and converts the received signals at the first frequency into a first format that overcome losses caused by penetrating into the interior of the building over a wireless communications link. The first circuitry is connected to the antenna via an Ethernet cable that transmits both electrical power and data. Power on Ethernet (POE) circuitry powers the antenna responsive to electrical power received via the Ethernet cable.