Abstract: Systems and methods herein create unified synchronization to support various network deployments in which multiple UE states (e.g., idle, connected, etc) and multiple synchronization signal periodicities (5 ms, 20 ms, etc.) and standalone/non-standalone networks may exist. Unified synchronization may be achieved at least by designating transmit frames as being even or odd. With such a designation, when a network transmits synchronization signals (SS) comprising the most significant bits (MSB)s of a frame's system frame number (SFN), a UE of any state may receive the SS according to any periodicity and blind decode the SFN's least significant bits (LSBs) with less complexity as compared to traditional systems and methods due at least to the even or odd frame designations.

Abstract: Systems and methods are provided for sharing a network interface between operating systems in an embedded device. A host operating system provides a network bridge. First and second operating systems provide first and second respective shared network interfaces connected to the bridge. A first external network interface is linked to the first shared network interface via a control client. The first external network interface is shared with the second operating system.

Abstract: The present invention relates to a wireless communication system. More specifically, as a method for transmitting data in a wireless communication system performing a CoMP operation by using a cache, a method for transmitting data, according to the present invention, can comprise the steps of: determining a transmission mode among a plurality of transmission modes on the basis of at least one piece of data stored in the cache; determining data to be transmitted in the transmission mode; and transmitting the data according to the determined transmission mode, wherein the transmission mode can comprise: a first mode for coordinately performing data transmission between coordinated base stations; a second mode for coordinately performing scheduling by sharing channel information between the coordinated base stations; and a third mode for combining the first mode and the second mode.

Abstract: A method and apparatus for a multi-compatible 6LoWPAN gateway system may include a main processor directing operation of a plurality of wireless adapters, each of the plurality of wireless adapters operably connected to one of a plurality of microcontroller processors, and each microcontroller processor executing code instructions of a real-time operating system. The main processor may route an incoming transmission to a first of the plurality of wireless adapters, and, upon notification from a first microcontroller processor operably connected to the first of the plurality of wireless adapters that the first wireless adapter did not receive the incoming transmission, or that the first real-time operating system did not process a data packet within the incoming transmission, may route the incoming transmission to a next wireless adapter operably connected to a next microcontroller processor until the data packet has been processed.

Abstract: Maintaining time alignment with multiple carriers is contemplated. A group of uplink carriers (UL CC sets) that operate with a single Timing Advance (TA) may be determined, and a TA value may be applied to a specific UL CC set. A wireless transmit/receive unit's (WTRU) capability of using multiple TAs may define a group index of a few bits for each UL CC set. A TA Command received in a Random Access Response message may be used to apply the TA value to each UL carrier of the UL CC set. The WTRU may determine which UL CC set the TA value applies to based on which DL carrier the command was transmitted from. The WTRU may determine which UL CC set the TA value applies to based on the Group Index being explicitly provided in the command. The WTRU may release multi-CC configurations upon Time Alignment Timer (TAT) expiry.

Abstract: Apparatuses and methods for performing congestion control in a transmission control protocol (TCP) environment in a wireless communication system are provided. At least one recovery session is opened a preset time after a time-out occurs in an original session, and whether link recovery is achieved after the at least one recovery session is opened and before a preset maximum wait time elapses is monitored. If the link recovery is achieved, a transmission speed is recovered according to a scenario corresponding to a time when the link recovery is achieved.

Abstract: In one embodiment, detection of failures in a network device can be achieved by obtaining a last hop of partial traceroutes. For example, the last hops of the partial traceroutes detected in a time period can be sorted by frequency of occurrence. Multiple clusters can be generated, one with last hops that are most frequent and at least one other with the last hops that are less frequent. The hop with the highest frequency and the last hop with the second highest frequency can be compared. If the last hop with the highest frequency exceeds the second highest frequency by a predetermined amount, then the last hop with the highest frequency is alarmable.

Abstract: Systems and methods of performing rate limiting traffic shaping with a time-indexed data structure in a network device are provided. A network interface driver of the network device can received packets at the packet layer of a network host from a plurality of applications. The network interface driver can prevent one of the applications from sending additional packets for transmission until the application received a transmission completion notification indicating a packet previously forwarded to the packet layer of the network host has been transmitted. The network interface driver can process the received packets to determine a transmission time for each packet based on at least on rate limit policy. The network interface driver can store an identifier associated with the respective packet in a time-indexed data structure at a position associated with the transmission time determined for the packet.

Abstract: A method for signaling a piece of congestion information regarding a first data stream routed by a first node in a network. The method includes the following acts implemented by a second node via which the first data stream and at least a second data stream are routed: obtaining a piece of congestion information regarding the second data stream, the congestion information indicating that a third node, via which the first data stream is routed, has detected a congestion situation for a routing of the second stream in a data transfer plane; checking that the first data stream has a priority level lower than that of the second data stream; and sending, to the first node, a control message in a control plane, the control message carrying the congestion information.

Abstract: A router device comprises a memory storage storing a database with network path information and a plurality of network interface line cards. The plurality of network interface line cards receive data through a network interface of a first line card addressed to a second line card; determine a path through at least one switch from the first line card to the second line card based on the network path information stored in the database; and forward the data, the address of the second line card, and the path information to the second line card from the first line card through the at least one switch.

Abstract: A method includes, responsive to a trigger event, establishing a session between a first device and a set of second devices. Session data is exchanged with the second devices in the session. The session data includes identity data and position data. A relative position of each of the second devices in the session relative to the first device is determined based on the position data. Event data and data including the relative position associated with the session are logged. A selected one of the set of second devices is removed from the session responsive to a termination event and the exchanging of the session data with the selected one of the second devices is terminated.

Abstract: An apparatus and a method in a wireless communications system including a first base station and a second base station sharing a licensed band, and the second base station operable on an unlicensed band. The apparatus includes: a receiving unit, configured to receive information indicating received signal strength from user equipments served by the first and second base stations; a decision-making unit, configured to issue a switching instruction according to the received information, to optimize energy efficiency and frequency spectrum efficiency in the wireless communications system, the switching instruction including information indicating user equipments in the user equipments are to be switched to operate on an unlicensed band; and a notification unit, configured to notify the switching instruction to the second base station.

Abstract: A method implemented by an Access Point (AP) in a Wireless Local Area Network (WLAN). The method includes providing, by the AP, a first Media Access Control (MAC) Protocol Data Unit (MPDU) in a downlink frame, where the first MPDU is addressed to a first set of stations and the first MPDU includes first trigger information for scheduling an uplink transmission, providing, by the AP, a second MPDU in the downlink frame, where the second MPDU is addressed to a second set of stations and the second MPDU includes second trigger information for scheduling the uplink transmission and the second trigger information includes a second set of values that are set to be the same as a first set of values in the first trigger information, and transmitting, by the AP, the downlink frame to the first and second set of stations.

Abstract: A method of signal transmitting in a filtering-based carrier modulation system, includes determining, by a transmitter, a reference signal pattern for each subband of an available frequency band of a system, and transmitting reference signal pattern information to a receiver, inserting, by the transmitter, reference signals on corresponding time-frequency resources according to the reference signal pattern of each subband, performing a carrier modulation and time domain filtering to data signals and the reference signals, and transmitting a processed signal of each subband, wherein the reference signals are used for estimating a frequency domain response of an equivalent channel consisting of a time domain filter and a physical channel from the transmitter to the receiver. The present disclosure also provides a receiving method, a transmitter and a receiver. According to the present disclosure, the storage requirement and detecting complexity of the receiver may be decreased greatly.

Abstract: A battery-powered node within a wireless mesh network performs energy-aware packet routing based on multiple factors. The battery powered node computes, for a given link to an adjacent node, the energy needed to transmit a packet to the adjacent node. The battery-powered node also determines the amount of battery energy remaining in the adjacent node. Based on these two factors, the battery powered node computes a link cost associated with the link to the adjacent node. The battery-powered node performs a similar computation for all adjacent nodes and then forwards packets via these adjacent nodes based on the associated link costs. The battery-powered node also maintains a table of routes through adjacent nodes, and reroutes packets through different adjacent nodes in response to link failures.

Abstract: Provided are a method and apparatus for implementing self recovery of a base station device, which relate to the technical field of communications. The method includes that: it is monitored, in real time, whether a base station device generates a fault or performance index event; when it is monitored that the base station device generates the fault or performance index event, a self-recovery alarm configuration file is searched according to the monitored fault or performance index event; corresponding self-recovery execution information is acquired according to the found self-recovery alarm configuration file; and self-recovery is implemented according to the self-recovery execution information. By means of automatic self-recovery on an alarm based on a found pre-provided self-recovery rule, the technical solution can reduce the complexity of manually handling a fault, and reduces the dependence of fault handling on a professional engineer.

Abstract: In a telecommunications network including at least a user device and a network node separated by at least a packet-switched part of the telecommunications network, the user device including a primary jitter buffer having a constant packet play-out rate, the network node including a secondary jitter buffer, incoming packets destined for the user device are received and passed through the secondary jitter buffer of the network node downstream towards the primary jitter buffer of the user device. The departure times of packets passing through the secondary jitter buffer of the network node downstream towards the primary jitter buffer of the user device are monitored. On the basis of the monitoring and one or more known characteristics of the primary jitter buffer, an estimate of a current state of the primary jitter buffer is maintained. Operation of the secondary jitter buffer is dynamically controlled according to the maintained estimate.

Abstract: Novel tools and techniques are provided for implementing network management layer configuration management. In some embodiments, a system might determine one or more network devices in a network for implementing a service arising from a service request that originates from a client device over the network. The system might further determine network technology utilized by each of the one or more network devices, and might generate flow domain information (in some cases, in the form of a flow domain network (“FDN”) object), using flow domain analysis, based at least in part on the determined network devices and/or the determined network technology. The system might automatically configure at least one of the network devices to enable performance of the service (which might include, without limitation, service activation, service modification, fault isolation, and/or performance monitoring), based at least in part on the generated flow domain information.

Abstract: The present invention discloses an uplink data transmission method and device configured to shorten RTT in a transmission condition having a short time slot, thus reducing a user-plane latency and improving the system performance. An embodiment of the present invention provides an uplink data transmission method.

Abstract: The present invention relates to a method and apparatus for transmitting data using a multi-carrier in a mobile communication system. The method of transmitting data in user equipment of a wireless communication system using a carrier aggregation technique according to an embodiment of the present invention includes setting secondary cells included in an S-TAG (Secondary-Timing Advance Group) configured of only secondary cells (SCells), deactivating a downlink timing reference cell in the S-TAG; determining whether other activated secondary cells exist besides the deactivated downlink timing reference cell in the S-TAG, and when the other activated secondary cells exist in the S-TAG, setting one of the other activated secondary cells as a new downlink timing reference cell. According to the present invention, uplink transmission speed can be increased in the user equipment and user QoS can be improved by transmitting data using one or more uplink carriers in the terminal.