Abstract: A method of providing state synchronization between a controller and a switch in a communications network, wherein the controller provides flow data for routing flows through the switch and transmits, in flow modification messages, the flow data to the switch for storage in flow tables, the state synchronization comprising ensuring that flow data in the flow tables of the switch are consistent with the flow data provided by the controller. The method comprises, by the controller (19), providing (21) an identifier in each flow modification message.

Abstract: Provided are a method for transmitting uplink control information (UCI) of a terminal in a wireless communication system and the UE using the method. The method includes determining a number of coded symbols for the UCI transmission and transmitting the UCI on a physical uplink shared channel (PUSCH) based on the number of coded symbols. The number of coded symbols is determined among a first value based on a payload size of the UCI and an offset value and a second value based on a radio resource control (RRC) signal.

Abstract: A network node and a user device are provided. The network node comprises: a processor configured to allocate a plurality of Physical Resource Blocks (PRBs) for a Physical Uplink Control Channel (PUCCH) having a PUCCH format defined for two or more PRBs, wherein the allocated plurality of PRBs are associated with a user device; a transceiver configured to signal allocation information to the user device, wherein the allocation information comprises a frequency location and a number of allocated plurality of PRBs. The user device comprises: a processor configured to determine uplink control information for one or more network nodes; a transceiver configured to transmit the uplink control information in a PUCCH to the one or more network nodes, wherein a plurality of PRBs are allocated for the PUCCH and wherein the PUCCH has a PUCCH format defined for two or more PRBs.

Abstract: One embodiment is directed to a radio access network system for use with a core network. The system comprises a central base station unit and a plurality of remote access points communicatively coupled to the central base station unit via a wired local area network. The remote access points are configured to wirelessly communicate with user equipment using licensed frequency bands. The central base station unit communicatively couples the user equipment to the core network. The wired local area network can comprise an Ethernet network and/or a corporate local area network.

Abstract: Provided are a sidelink UE information reporting method by a UE in a wireless communication system and a UE using same. In the method, a threshold value is received from a network and sidelink UE information is transmitted only when the variation in the number of distinguished discovery messages to be transmitted is equal to or higher than the threshold value.

Abstract: In various embodiments, an apparatus, a non-transitory computer-readable media, and a method are provided, involving a technique to: determine one or more operations each associated with a respective outside scope identifier that identifies at least one region of a network and that is includable in path information for routing data along a network path that includes a border node of each region of the network, wherein, for each region, the one or more operations associated with the respective outside scope identifier is for processing by the border node of each region as a result of routing the data along the network path; generate a packet including the path information, and one or more headers that include: one or more pointer portions and one or more operation portions; and transmit the packet along the network path from the network device, wherein the generation of the packet comprises: writing, to the one or more headers, one or more pointers to the one or more pointer portions, and one or more operation

Abstract: Systems, methods, and computer-readable media analyzing memory usage in a network node. A network assurance appliance may be configured to query a node in the network fabric for a number of hardware level entries, stored in memory for the node, that are associated with a concrete level network rule. The network assurance appliance may identify a logical level network intent associated with the concrete level network rule, identify a logical level component of the logical level network intent, and attribute the number of hardware level entries to the logical level component.

Abstract: System and method embodiments are provided for channel sounding in a frequency division duplex (FDD) system. The embodiments enable a transmission point (TP) to determine channel information about a downlink channel from an uplink channel sounding signal received on the downlink channel frequency band during a time window reserved for uplink channel sounding on the downlink channel frequency band. In an embodiment, a method in a controller includes determining with the controller a schedule for an uplink sounding window in a downlink frequency band, wherein the uplink sounding window comprises a transmission window in at least a partial downlink frequency band that is reserved for uplink channel sounding, instructing a TP to signal the schedule to at least one wireless device in a coverage area of the TP, receiving a channel sounding signal in the downlink frequency band, and obtaining downlink channel state information from the channel sounding signal.

Abstract: Techniques and examples of tracking reference signal and framework thereof in mobile communications are described. A user equipment (UE) receives, from a base station of a network, a reference signal via a communication link between the UE and the base station. The reference signal contains resource configuration with respect to tracking reference signal (TRS) configuration. The UE also receives, from the base station, a TRS burst containing a plurality of TRS symbols with one or more components of the UE configured according to the TRS configuration. The UE processes the TRS burst to perform channel estimation, synchronization, time tracking, frequency tracking, or a combination thereof.

Abstract: A synchronization information sending method, a synchronization information receiving method, a base station, and a communications node are provided. The sending method includes: obtaining, by a communications node, a pulse per second PPS; obtaining, by the communications node, a first time T1 based on the PPS; obtaining, by the communications node, a second time T2 based on the subframe; determining, by the communications node, a first time difference TD 1 based on the first time T1 and the second time T2; obtaining, by the communications node, a second time difference TD 2 based on the first time difference TD 1 and the TA. Different base stations use a same pulse per second PPS as a reference to adjust a sending time, a radio frame number, and a subframe number of a subframe, so that the different base stations are synchronized with each other.

Abstract: Methods, systems, and devices for wireless communication are described. A wireless device may use a subband of a frequency domain channel as a dedicated channel reservation (CR) sub-channel. Wireless devices may both monitor for and transmit CR signals in the CR subband. When not actively transmitting, a wireless device may monitor the CR subband to identify CR signals from other wireless devices. A wireless device communicating using the CR subband may transmit a CR signal and a pre-grant or pre-grant response simultaneously based on an frequency division multiplexing configuration. Multiple channels may share a CR subband. The CR subband may have a pre-configured frequency domain location or be at a configurable frequency in the channel. The data subband and CR subband may have different levels of synchronization, and base stations operating in the wireless communications system may consider data subband synchronization and CR subband synchronization separately.

Abstract: Techniques are described for enhancing wireless communication using millimeter wave (mmW) communication and mesh network topology. One method includes transmitting data to a first wireless device via a first mmW communication beam from a base station, determining that a performance level of the first mmW communication beam is below a threshold value based on transmitting the data, and communicating with the first wireless device over a transmission route based on a performance level of a second mmW communication beam. In some examples, the transmission route includes a first segment that includes the second mmW communication beam and a second segment that includes a wireless mesh network.

Abstract: In at least some embodiments, a method, apparatus, and system for performing communication using a plurality of radio access technologies (RATs) including a cellular RAT and a short-range RAT. A mobile device may be configured to receive information regarding traffic steering, i.e., cellular/short-range RAT handover, from nearby short-range access points and/or from a cellular base station. The mobile device may generate or determine mobility information of the mobile device, which indicates an amount of movement of the mobile device. The mobile device may determine whether the mobile device should transition between the cellular RAT and the short-range RAT based at least in part on the traffic-steering information and the mobility information. The mobile device may selectively transition between the cellular RAT and the short-range RAT based on the determination.

Abstract: Provided is a wireless communication terminal. The processor is configured to receive, from a base wireless communication terminal through the transceiver, a first frame including first information indicating a duration required for a pending frame exchange sequence and second information indicating a frequency band which is allocated for transmission of a second frame, wherein the pending frame exchange sequence is a transmission sequence between one or more wireless communication terminals, set a network allocation vector (NAV) according to the first information indicating the duration for the pending frame exchange sequence, and reset the NAV when the wireless communication terminal does not receive a PLCP Protocol Data Unit (PPDU) for a reference time from a time point at which the first frame is received.

Abstract: A resource allocation method to resolve a problem that a transport block of a typical enhanced voice service (EVS) scenario in an air interface is much smaller than a transport block of a conventional adaptive multi rate (AMR), and use of a resource allocation method in the existing long term evolution (LTE) causes a waste of user spectrum resources such that spectrum utilization in an EVS scenario can be improved. The method includes determining resource allocation information and resource allocation block indication information, where the resource allocation information includes information indicating at least one fractional resource block (FRB) allocated to user equipment, and the resource allocation block indication information indicates that a resource allocation block is the FRB, where a resource occupied by the FRB is less than one RB, and notifying the user equipment of the resource allocation information and the resource allocation block indication information.

Abstract: A method and system for an aircraft communications system. The aircraft communications system comprises an Internet protocol network router and an aircraft communications addressing and reporting system network router. The Internet protocol network router, located within an aircraft, is configured to transmit data to a group of ground stations remote to the aircraft using an Internet protocol communications link. The aircraft communications addressing and reporting system network router, located within the aircraft, is connected to the Internet protocol network router. The aircraft communications addressing and reporting system network router is configured to transmit the data from aircraft systems to the group of ground stations using at least one of an aircraft communications addressing and reporting system communications link or, via the Internet protocol network router, using at least one of an Internet protocol communications link.

Abstract: Systems, methods, and computer-readable media analyzing memory usage in a network node. A network assurance appliance may be configured to obtain reference concrete level rules for a node in the network, obtain implemented concrete level rules for the node from the node in the network, compare the reference concrete level rules with the implemented concrete level rules, and determining that the implemented concrete level rules are not appropriately configured based on the comparison.

Abstract: The present invention relates to the field of communications technologies, and in particular, to a data packet sending method and apparatus in an Internet Protocol IP version v6 network, so as to resolve a problem that a data packet may be always discarded before a PMTU of a path is probed in a current IPv6 network. The method includes: before a PMTU of a path is probed, sending a data packet according to a minimum MTU stipulated in the IPv6 protocol; and after the PMTU of the path is probed, sending a subsequent data packet on the path according to the probed PMTU of the path. The method ensures that the data packet can pass through a network device having any MTU on the path, so as to ensure that the data packet can be received by a destination receive end.

Abstract: A channel access process method in a wireless local area network is provided. The method includes: generating, by a station, a backoff counter value; then performing, by the station, a backoff operation after receiving a first trigger frame, where the backoff operation includes: deducting, from the backoff counter value, a quantity N of subchannels for random access, to obtain a new backoff counter value; and when the new backoff counter value is 0 or a negative number, randomly selecting, by the station, one subchannel from the subchannels for random access, and then accessing the subchannel to send an uplink frame. The present application further provides a corresponding channel access apparatus. Applying the method and the apparatus of the embodiments of the present application improves system access efficiency and avoids a waste of system resources.

Abstract: An integrated circuit, for example, included in a wireless communication base station, controls a process that includes mapping a first downlink control channel to control channel element(s) (CCE(s)) in a first search space comprised of a first plurality of CCEs, the first downlink control channel including resource assignment information, which indicates a resource allocated to a terminal in a component carrier n (CCn) out of one or more component carrier(s) (CC(s)), and mapping a second downlink control channel to CCE(s) in a second search space comprised of a second plurality of CCE(s), the second downlink control channel including resource assignment information, which indicates a resource allocated to the terminal in a component carrier n+1 (CCn+1) out of the CC(s), the first plurality of CCEs and the second plurality of CCEs are consecutive. The process also includes transmitting the first and the second downlink control channels to the terminal.