Abstract: A method, base station, terminal and communication system for updating component carriers are provided. Wherein, status information of the terminal, base station and/or component carrier is acquired; whether the status information accords with the predetermined condition is determined; an old component carrier is replaced by a new component carrier, or a new component carrier is added in the even that the predetermined condition is met. With the embodiments of the present invention, the component carrier which the terminal would use is updated more effectively.

Abstract: A communication system that may include a traffic management module and a communication interface module. The communication interface module is arranged to: estimate a status of multiple channels by utilizing hardware channel status estimators, generate filler packets in response to the status of the multiple channels; wherein the filler packets are associated with the multiple channels; send the filler packets to the traffic management module. The traffic management module is arranged to receive multiple input packets that are associated with multiple channels, receive the filler packets; apply a traffic management scheme on the multiple input packets and the filler packets to provide multiple intermediate packets that comprise (a) multiple filler traffic managed packets and (b) multiple non-filler traffic managed packets.

Abstract: Techniques for mitigating effects of differing latencies associated with real time data streams in multimedia communication networks. For example, a technique for mitigating a latency differential between a first media path and a second media path, over which a first device and a second device are able to communicate, includes the following steps. A training phase is performed to determine a latency differential between the first media path and the second media path. Prior to the first device switching a media stream, being communicated to the second device, from the first media path to the second media path, the first device synchronizes the media stream based on the determined latency differential such that a latency associated with the switched media stream is made to be substantially consistent with a latency of the second media path.

Abstract: A system is provided that includes a control panel having first and second wireless transceivers, a beacon processor of the control panel that transmits a beacon through the first wireless transceiver, wherein the beacon defines a repeating superframe having a first time period and a second time period, a plurality of wireless devices that exchange messages with the control panel within a respective TDMA slots of the repeating superframe, and an access processor within the control panel that dynamically adjusts relative sizes of the first and second time periods to reduce or exclude WiFi access by portable user devices based upon a status of the plurality of wireless devicess wherein use of the second time period is polymorphic under IEEE 802.11 and IEEE 802.15A protocols, and wherein relative priorities of the first and second time periods are inverted during transmissions between the control panel and other devices of the control panel.

Abstract: A control apparatus comprises: a synchronization unit that transmits control information set in a communication node to another control apparatus that operates in synchronization with the control apparatus and synchronizes with the another control apparatus; and a control information creation unit that creates control information to be set in a communication node to be controlled. If the created control information is first control information set temporarily in accordance with a notification from the communication node to be controlled, the control apparatus sets the first control information in the communication node without waiting to synchronize with the another control apparatus. If control information to be set is second control information other than the first control information, the control apparatus sets the second control information in the communication node after synchronizing with the another control apparatus.

Abstract: A system and method are provided to model a network path with performance characterization for individual path segments of the network path and correlate the faults and performance issues to identify the factors that are causing network path performance degradation. The system described herein provides for codebook correlation technology to identify the root cause of network path performance degradation. In an embodiment, an algorithm is provided to model the network path with performance characterization and analysis. The performance of a network path is determined by performance characteristics of individual hops along the network path. The path performance is then characterized with weighted attributes indicative of performance over individual hops along the network path. The individual hops along the network path are modeled with weighted attributes indicative of performance. The performance symptoms may be aggregated to determine path performance using codebook correlation to perform a causal analysis.

Abstract: A network including an access point, a client station, and a proxy station. The proxy station is configured to communicate with the access point during a first period. During the first period the proxy station is configured to receive, from the access point, downlink data intended for the client station, and transmit, to the access point, uplink data received from the client station and intended for the access point. The proxy station is further configured to communicate with the client station during a second period. During the second period the proxy station is configured to receive, from the client station, the uplink data intended for the access point, and transmit, to the client station, the downlink data intended for the client station.

Abstract: Disclosed are systems and methods for providing message compression instructions by communicating with a plurality of sender machines and a plurality of receiver machines and monitoring one or more messages from the plurality of sender machines. The disclosed systems and methods may also identify a part of the one or more messages that is frequently included in a plurality of the messages sent by the plurality of sender machines, dynamically determine compression instructions to compress this part of the message, and provide the compression instructions to at least one of the plurality of sender machines, such that the compression instructions reduce size of the messages having the part of the message associated with the compression instructions.

Abstract: A packet processing method, the method includes, receiving TCP packets from a wireless access point. An A-MSDU packet is created by aggregating TCP ACK frames generated by the received TCP packets. When the current data transmission speed is less than or equal to a first threshold value and timeout for the A-MSDU packet sent to the wireless access point continuously occurs over a first predefined time, a transmission time interval is reduced by the first preset value and the packet size value is re-calculated according to the adjusted transmission time interval. When the current data transmission speed is greater than or equal to the second threshold value and the size of the created A-MSDU packet that achieves the packet size value occurs over a second predefined time, the packet size value is increased by the second preset value.

Abstract: In a wireless communication system, a base station may adopt AMC and HARQ mechanisms to improve the system stability and may further be configured to combine the feedback features of AMC and HARQ to save computing resources.

Abstract: The present invention relates to method and apparatus for uplink data transmission, a user equipment, a computer program and a storage medium. The method comprises: acquiring a data error rate of data blocks transmitted on an uplink of a UE; constructing a new data block, wherein a size of the new data block is smaller than the size of the transmitted data block currently, if the block error rate is greater than a threshold; and transmitting the new data block on the uplink of the UE according to a first power currently allocated to the UE. The present invention can enhance the performance of uplink data transmission.

Abstract: The present invention relates to a method by which terminals in a wireless communication system receive control channels. More particularly, the method includes the steps of: receiving control information that includes the transmission mode for the control channel and information about the number of antenna ports through a broadcast channel from a base station; and receiving the control channel on the basis of the control information.

Abstract: A sounding method in a cellular wireless communication system, comprising at least one mobile station and at least two base stations. One base station is a serving base station for the mobile station and the at least one further base station is a neighboring base station. The serving base station generates a schedule for measurement signals and transmits said schedule to the mobile station and to the neighboring base station. The mobile station transmits measurement signals in accordance with the schedule to the serving base station and to the neighboring base station. Furthermore, the neighboring base station calculates a mean channel state for the uplink channel from the mobile station to itself and transmits the mean channel state to at least one further base station, so that said base station can be provided with channel estimations for uplink channels between the mobile station and all base stations.

Abstract: A method for controlling transit of routing messages in a network comprising multiple autonomous systems (AS) is disclosed. The method includes receiving, at a first AS, a routing message of an inter-AS routing protocol and identifying that the routing message comprises transit domain control (TDC) information specifying one or more autonomous systems to which the routing message may be propagated and/or one or more autonomous systems to which the routing message may not be propagated. The method further includes propagating the routing message from the first AS to a second AS in accordance with the TDC information.

Abstract: An object of the disclosed invention is to provide a polling-based multihop communication system capable of achieving robust communication. Solving means thereof is a (multihop communication) wireless transmission system including, as wireless stations, a base station, a plurality of relay stations connected at multiple stages by using the base station as a root, and a plurality of terminals connected to the relay stations, in which the base station and the relay stations perform communication using polling in one or more service periods which have been allocated to each of the base and relay stations in time division in advance in a system cycle.

Abstract: A flow bonder at a CMTS and another at a cable modem distribute packets of a service flow over multiple channels and collect them in the downstream direction respectively; vice versa in the upstream direction. The service flow may include video and data streams that are provided to the CMTS via an IP network. IP header information is stripped form video packets and remultiplexed with packets of other video streams. The remultiplexed video stream packets are combined into a composite stream, which is transported using multiple bonded-flow RF channels over an HFC. A set top box receives the composite stream and separates data from video packets based on IP information. Video packets are assembled according to information from a multiple program transport stream table based on a program selected by a user.

Abstract: A method for weighted routing of data traffic can include generating a first hash value based on a header of a data packet and performing a lookup in a first ECMP table using the first hash value to select a secondary ECMP table from at least two secondary un-weighted ECMP tables, the first ECMP table including a weighted listing of the at least two secondary un-weighted ECMP tables. The method can also include generating a second hash value based on the header of the data packet and performing a lookup in the selected secondary ECMP table based on the second hash value to select an egress port of a plurality of egress ports of the data switch and forwarding the data packet on the selected egress port.

Abstract: One embodiment of the present invention provides a switch. The switch includes a port to couple to a second switch. The switch also includes a control mechanism configured to maintain a set of configuration information for a virtual cluster switch which includes a number of member switches. The set of configuration information includes global configuration information for the virtual cluster switch and switch-specific configuration information for one or more member switches. In addition, the set of configuration information is replicated and stored at each member switch.

Abstract: Systems and related methods include node directed management of multicast traffic within a wireless mesh network. A wireless mesh network may include a plurality of mesh nodes and a central server in communication with at least one of the mesh nodes of the plurality of mesh nodes. The central server may be configured to generate one or more rules for at least one of the mesh nodes to instruct a change in a pre-routing parameter in a packet header based on received channel state information. The central server may include a rules-based engine configured to generate and convey one or more traffic shaping rules in response to sensing traffic conditions. The position of received multicast packets in a packet order may be modified.

Abstract: A network device test station (“TS”) is capable of simultaneously testing and verifying a group of routers and/or switches at the same time. The TS includes a user interface (“UI”), a test bed engine, and a TS manager. The UI facilitates interactive communication between TS and user via an interactive graphical representations showing, for example, test configurations and test results. The test bed engine uses a set of test beds to conduct tests on attached devices or routers which are also known as device under tests (“DUTs”) or unit under tests (“UUTs”). The TS manager is configured to provide a test environment with one or more emulated communication networks for verifying functionalities of every DUT.