Abstract: There are provided measures for enabling a terminal-assisted improvement of timing-based positioning accuracy. Such measures may exemplarily include measuring a cell-related timing value for timing-based positioning calculation on the basis of a cell-originated positioning-related signal and measuring a terminal-related timing value for timing-based positioning calculation at an apparatus to be positioned, and utilizing the measured cell-related timing value and the measured terminal-related timing value for timing-based positioning calculation relating to the apparatus to be positioned at a network side.

Abstract: One or more field devices, and a controller are connected so as to be able to communicate with a field device through a first communication route, and a device monitoring unit that is connected so as to be able to communicate with the field device through a second communication route are provided, wherein the device monitoring unit is provided with a checking tool for checking a status of the field device and the status of communication through the first and/or the second communication routes, based on a response received through the second communication route from the field device in response to a signal sent through either the first communication route or the second communication route.

Abstract: A system for scheduling data for transmission in a communication network includes a credit distributor and a transmit selector. The communication network includes a plurality of children. The transmit selector is communicatively coupled to the credit distributor. The credit distributor operates to grant credits to at least one of eligible children and children having a negative credit count. Each credit is redeemable for data transmission. The credit distributor further operates to affect fairness between children with ratios of granted credits, maintain a credit balance representing a total amount of undistributed credits available, and deduct the granted credits from the credit balance. The transmit selector operates to select at least one eligible and enabled child for dequeuing, bias selection of the eligible and enabled child to an eligible and enabled child with positive credits, and add credits to the credit balance corresponding to an amount of data selected for dequeuing.

Abstract: Reframing circuitry controls communications between a physical layer device and a link layer device. In a first direction of communication, the reframing circuitry receives a container frame with the container frame having a first arrangement of columns, and outputs a virtual container frame that includes a modified version of the container frame received by the reframing circuitry, with the modified version of the container frame having a second arrangement of columns different than the first arrangement of columns. For example, the reframing circuitry in generating the modified version of the container frame may remove a path overhead column of the container frame and replace that path overhead column with a stuff column in the modified version of the container frame. The virtual container frame may be configured to include the path overhead column that was removed from the container frame in generating the modified version of the container frame.

Abstract: A method comprises receiving data, modulated according to a first modulation scheme, from a transmitter via an Ethernet link while the receiver is in a first mode. The first mode corresponds to a first power consumption level of the receiver. The method also includes receiving a sleep signal, and, in response, transitioning the receiver to a second mode. The second mode corresponds to a second power consumption level lower than the first power consumption level. The method also includes detecting an expiration of a predetermined time interval, and, in response, transitioning the receiver to a third mode. The third mode corresponds to a third power consumption level greater than the second power consumption level. The method also includes receiving a refresh signal modulated according to a different, second modulation scheme, synchronizing the receiver to the transmitter based on the refresh signal, and transitioning the receiver back to the second mode.

Abstract: A packet processor transfers a message received by a first (second) port to a second (first) port. When first specific information is included in the received message, a QoS terminal detector detects a communication terminal, which is a sender of the message received by the first port or a destination of the message received by the second port, as a QoS terminal requesting application of QoS. When the QoS terminal does not satisfy a preset connection condition associated with the QoS terminal connectable to the first port via a first network, an output unit outputs information indicating that the connection condition is not satisfied.

Abstract: The present invention provides systems and methods for adaptive digital data transmission rate control. A digital data transmission system for adaptively transferring packets over a transmission link includes a client device having a bandwidth control module and a host device coupled to the client device over the transmission link. The host device includes one or more bandwidth control registers and a packet builder. The bandwidth control module determines a packet speed and/or size for packets transmitted from the host device to the client device over the transmission link. The bandwidth control registers store the requested packet size and/or rate. The packet builder accesses these registers when transmitting packets to determine the requested packet size and/or rate.

Abstract: Within a receiver, a channel estimation mechanism involves a hardware interpolator. In a first mode, narrowband pilot values are analyzed to generate channel parameters that are supplied to the interpolator such that the interpolator generates channel estimate values. The channel estimate values are used to demodulate a tile of a frame. In a second mode, broadband pilot values are supplied to an IFFT, thereby generating time domain values. After time domain processing, an FFT is employed to generate intermediate channel estimate values. These intermediate values are analyzed to determine channel parameters, which in turn are supplied to the hardware interpolator so that the interpolator generates a larger number of channel estimate values. After phase adjustment, the channel estimate values are used in demodulation. Use of the interpolator in the broadband mode allows the FFT employed to be of a smaller order, and to consume less power and/or processing resources.

Abstract: Control packets received at a network element are pre-classified to enable out of profile traffic to be traced to an offending port. Pre-classified control packets are metered at a desired granularity using dynamically configured meters which adjust as ports are put into service or removed from service, and as services are applied to ports. CPU metering is implemented on a per-CPU core basis, but the per-CPU meters are used to perform flow control rather than as thresholds for ejecting errant control traffic. The combination of these three aspects provides robust CPU overload protection while allowing appropriate levels of control traffic to be provided to the control plane for processing, even in the event of a control traffic burst on one or more ports of the network element.

Abstract: Apparatus and methods for generation and use of reference signals in a wireless communications system are described. A group-specific reference signal pattern may be generated for provision to a group of UEs or terminals in communication with an eNodeB or base station. The reference signal may be generated based on system parameters. Reference signals may be generated to span multiple contiguous physical resource blocks.

Abstract: A system, method and node of downlinking transmissions to an unsynchronized UE in a telecommunications network. The method begins by a node in the network requesting synchronization of the UE with the network. A first transmission of data is sent from the node to the UE prior to synchronization of the UE. The UE then synchronizes with the network by the UE performing a Random Access procedure with the node, thereby triggering a time alignment command from the node to the UE to synchronize the UE with the network. A second transmission of data is then sent from the node to the UE after the UE is synchronized. A response feedback message is sent to the node from the UE. The message is a cumulative feedback message of the first transmission of data and the second transmission of data. Thus, data may be transmitted prior to synchronization of the UE.

Abstract: Techniques for transmitting and receiving data in a communication system are described. A receiver may iteratively decode a data packet and may obtain better performance with more decoding iterations. The receiver may select the number of decoding iterations based on at least one parameter (e.g., packet size) to tradeoff between decoder throughput and link performance. In one design, a transmitter may obtain a transport format selected based on the number of decoding iterations, process a data packet in accordance with the transport format, and send a transmission of the data packet to the receiver. The receiver may receive the transmission of the data packet and may perform decoding for the data packet for up to the selected number of decoding iterations. The transport format and/or CQI information may be determined based on an expected degradation in link performance due to the receiver performing the selected number of decoding iterations.

Abstract: The present invention provides for managing channel configuration information in a wireless communication system. Preferably, the present invention receives transport channel configuration information for configuring at least one transport channel currently not mapping a point-to-multipoint service, wherein the at least one transport channel is capable of mapping at least one new point-to-multipoint service at the start or before the stop of the at least one new point-to-multipoint service, determines whether to receive the at least one new point-to-multipoint service, and reads configuration information for the at least one new point-to-multipoint service at the start of the at least one new point-to-multipoint service if it is determined that the at least one new point-to-multipoint service is to be received.

Abstract: A multiplexer/demultiplexer (MUX/DEMUX) system for multiplexing and demultiplexing information from a plurality of traffic channels is configured according to a Plesiochronous Digital Hierarchy (PDH) standard into a composite signal transferred to and from a telecommunciations interface. A PDH traffic interface receives PDH channel signals from a plurality of PDH channels and a bit-pipe interface receives bit-pipe traffic transported as a packet data stream. A composite signal generation module and interface then creates, outputs and receives a single composite serial data stream including, in a single composite format, information from the received PDH channel signals as well as the packet data stream. The rate of the bit-pipe traffic may be adaptively modulated as a function of the composite rate.

Abstract: Methods and apparatus for service continuity in a communication network. A method includes receiving a service in a first network coverage area, detecting entry into a second coverage area, acquiring control signaling information of the second coverage area in response to entering into the second coverage area, establishing traffic channels in the second coverage area while the service is received from the first coverage area, and switching to receive the service on the traffic channels in the second coverage area so that service disruption is minimized. Another method includes receiving a service in a first network coverage area, acquiring control signaling information associated with other coverage areas while in the first coverage area, detecting entry into a second coverage area, establishing traffic channels in the second coverage area, and switching to receive the service on the traffic channels in the second coverage area so that service disruption is minimized.

Abstract: In various embodiments, communication apparatuses and methods for providing robust communications are disclosed. For example, an exemplary apparatus for use in a communication system employing a plurality of different communication channels may include a first database of channel performance information embedded on a machine-readable and writable medium, wherein the first database includes a plurality of records with each record containing information relating to a wireless channel monitored by a Media Access Controller (MAC), input circuitry configured to receive information from a plurality of MACs monitoring their respective wireless channels such that each record of the first database contains channel performance information for a respective wireless channel, and output circuitry configured to provide the channel performance information to a plurality of applications-level executable programs running on one or more computers.

Abstract: In one embodiment, a path for a sliced tunnel that extends from a head-end node to a tail-end node is computed. The sliced tunnel is furcated into a plurality of child tunnels at one or more fork nodes located downstream from the head-end node. Each child tunnel carries a portion of traffic for the sliced tunnel. The sliced tunnel is merged at one or more merge nodes located downstream from respective ones of the fork nodes. The portions of traffic on the child tunnels are aggregated at the merge nodes. The head-end node sends a signaling message to establish the sliced tunnel along the computed path. The signaling message includes an indication of the one or more fork nodes where the sliced tunnel is furcated into child tunnels and the one or more merge nodes where child tunnels are merged. The head-end node then forwards traffic onto the sliced tunnel.

Abstract: An apparatus and a method for transmitting control information in a small base station of a wireless communication system are provided. In the method, when the small base station operates in a Low Duty operation Mode (LDM) in a superframe, a control signal including LDM operation information is generated. Only a subframe via which a preamble, a control signal including the LDM operation information, and a SuperFrame Header (SFH) are transmitted is transmitted during the superframe. When the small base station operates in a normal operation mode in a superframe, at least one of the control information and data is transmitted via at least one subframe of the superframe.

Abstract: A system for and method of dynamic home agent allocation is presented. The system and method may include receiving, via a network, a request for allocation of a Logical Home Agent for a mobile node, selecting a Logical Home Agent for the mobile node based on one or more performance metrics, and communicating Logical Home Agent selection to the selected Logical Home Agent and the mobile node.

Abstract: Techniques to load balance traffic in a communication network include a network switch or device having an interface to receive a data unit or packet. The network device includes a hash value generator configured to generate a symmetric key from an initial key that is based on the packet, and configured to generate a hash value based on the symmetric key and the packet. The hash value may be optionally modified to load balance egress traffic of the network device. The network device selects an egress link or port, such as by determining an index into an egress table based on the (modified) hash value. The techniques described herein allow packets or data units of a particular flow to travel in both directions along a same path through the communication network.