Abstract: A method and apparatus for quickly acquiring synchronization of a signal in a WCDMA communication system utilizing variable duration sample accumulation, validity testing of decoder estimates, and parallel decoding of multiple synchronization signals within a PERCH channel. The receiver accumulates the samples necessary to reliably determine slot timing. Until slot timing estimates pass a validity test, samples are accumulated for frame timing estimates. Until frame timing estimates pass a validity test, samples are analyzed to determine the pilot offset of the channel.

Abstract: In a computer network system, data packets are transmitted to a designated network port. A port sharing protocol enables multiple applications to listen to the same port. Each interested application attempts to bind to the port. The first application to successfully bind to the port is deemed the “primary” application, and all remaining applications are deemed “secondary” applications. The secondary applications register themselves with the primary application by submitting their IP addresses and a port number of the port. The primary application adds the secondary applications to a distribution list. The primary application listens for incoming packets delivered over the port. When a packet is received, the primary application sends a copy of the packet to each secondary application on the distribution list. The primary and secondary applications are then free to consume the packets for their own purposes.

Abstract: A method and arrangement for combined data- and power distribution between nodes (MA, SL, SLN) in distributed data processing systems having a common communication bus (1, CANH/CANL) in which the communication bus includes at least one wire or differentiated dual wires transmitting digital information serially in form of dominant data bits at a first signal level (U1/U3 V/D2) and recessive data bits at a second lower signal level (U2, VD1) in a sequential order dependent on the content of the data being transmitted. Nodes (SL) having a low power consumption obtain power supply through dominant bits being transmitted on the bus (1), which dominant bits charge a capacitance (15) in the low effect nodes (SL). Nodes (MA) having a higher power consumption obtain power supply from a voltage source (V1) separated from the bus.

Abstract: A method and apparatus for measurement-based conformance testing of service level agreements in networks. The method includes first collecting quality of service information from network traffic over a plurality of network nodes. Then, the collected quality of service information is compared to a plurality of specified quality of service levels. A plurality of possible virtual quality of service pathways through a plurality of network nodes is provided, based on the compared quality of service information. One embodiment of the method includes the additional step of creating a virtual connection using the compared quality of service information. In another embodiment of the method, the step of collecting quality of service information from network traffic over a plurality of network nodes includes first transmitting test traffic from a source to a destination over a plurality of network nodes.

Abstract: A method of verifying transport within a delivery unit that interfaces telecommunications media to a switching matrix. Each channel of network data has an associated path verification code. The channels are transported within the delivery unit in subframes. For each channel, the path verification codes as well as a framing pattern are transported by accumulating path verification bits over a superframe. Path verification monitoring is performed regardless of channel position in the subframe and regardless of whether channels are in phase with each other.

Abstract: A remote communications server system enables multiple remote users simultaneous access to a network. The system connects a plurality of on-line sessions across multiple communication lines to the network. A unique combination of multiple buses, multiple processors, and a segmented design creates a distributed processing communications system having high throughput without the stability problems associated with gigabit bus speeds. Furthermore, the system supports a mixture of communication links and allows the substitution of one service type for another without affecting the remaining communication links. The system is scalable in that segments can be added as needed and the number of lines handled by a segment can be increased.

Abstract: A software-based automated DS0 channel format analysis routine resident in a U-BRITE interface card's microcontroller solves the problem of potential misconfiguration of ISDN interface circuit cards, as may result from the failure to properly set DS0 time slot option switches to their intended ISDN channel assignments. When exercised, the routine automatically determines not only what DS0 channels are available at the remote ISDN circuit card, but also the order in which those DS0 channels are multiplexed by that remote card's circuitry. As a consequence, once the routine has run to completion, each ISDN interface card will contain the same DS0 time slot multiplexing scheme—corresponding to what has been manually configured at a remote card—even if the remote card's DS0 option switches were originally incorrectly set.

Abstract: A mechanism for performing multicast packet transfer when a certain one of the destination nodes participating in the multicast communication requires resource reservation for a certain packet flow specified among the packet flows to that destination node. A system may transfer multicast packets using a plurality of virtual connections based on which flow the packets to be transferred belong to, so that each node receives the packets without duplication. Alternatively, a system may selectively discard received packets to avoid processing duplicated packets, although duplicated packets are received at each node.

Abstract: A medium access protocol which adjusts number of contention slots in a variable length frame and superimposes a variable window structure over the frame structure. The number of contention slots (24) in a frame (28, 30) is changed on a frame by frame basis by determining if a collision occurred in any contention slot (44). If not the contention slot is removed (48) and if so, the number of slots is increased (52). In high traffic situations, if the average load is greater than a threshold (107, 120) the number of frames in a window is increased (130). If the load drops below the threshold (120), the number of frames per window is decreased (124).

Abstract: The invention relates to an interworking function apparatus (IWF), a method and an arrangement for establishing a mobile-terminating call in a mobile communications network when the call is received from a calling party via a fixed network without any signalling support which provides information on the protocol employed by the calling party. In the invention, a service is assigned only one directory number, which is common to all the protocols employed by the service. The protocol identifier in a service definition linked with this directory number has a neutral (undefined) value or may be interpreted as neutral. The IWF, upon receiving the neutral RA parameter (Step 2), is switched onto the line and monitors a traffic channel received from the fixed network in order to identify the protocol employed by the calling terminal equipment (Steps 54-57). After identifying the protocol, the IWF is configured according to the identified protocol (Steps 58-60 or 61-63), and data transfer may begin (Step 64).

Abstract: A packet multiplexing apparatus includes at least one high transmission rate data memory for accumulating high transmission rate data, and at least one low transmission rate data memory for accumulating low transmission rate data. A control section determines whether an accumulation quantity of the high transmission rate data reaches a first predetermined value, and issues a transmission instruction when it is determined that the accumulation quantity of the high transmission rate data reaches the first predetermined value. A multiplexing unit multiplexes the high transmission rate data from the high transmission rate data memory and the low transmission rate data from the low transmission rate data memory in response to the transmission instruction to form a packet.

Abstract: A method is disclosed for reducing the power during discontinuous transmission in a digital cellular systems. In order to reduce battery usage and decrease interference to other users, a method is disclosed which employs the transmission of a silence descriptor frame and the following reduction of power once the frame is properly received in the receiver. While the power is reduced there is still the ability to receive and decode inactivity frames.

Abstract: A method creating PLD in CDMA and PCS system has the step of classifying data file according to the applied fields for each system, the step of creating the initial data file DG_INIT for all equipped systems by using the classified data, the step of creating the initial default data file in order to make the basic PLD, which is used in adding/removing systems, the step of creating relation dictionary such as key dictionary and attribute dictionary data file for each system, the step of writing the PLD header information and the relation dictionary information per each system into the main part of DG_INIT data file created in the step of creating the DG_INIT, the step of creating a list data file having information about the file needed for each system, the step of creating the PLD by using the data files created in the above steps.

Abstract: A bandwidth throttling system is implemented on a server network connected to a computer network system to serve one or more clients over a network. The network server supports a service that presents multiple virtual services that can be individually requested by the clients. The bandwidth throttling system controls bandwidth on a per virtual service basis. The bandwidth throttling system has a measuring subsystem to measure the amount of bandwidth being used by each virtual service supported by the network server. The bandwidth throttling system also has a control subsystem to selectively throttle requests for a particular virtual service independently of others based upon the bandwidth used by the particular virtual service. The bandwidth throttling system utilizes an adaptive, hierarchical throttling strategy that is applied to each virtual service independently.

Abstract: A method of indicating the length of a mini cells in a mobile telephony network. Non linear coding of a short fixed length field in the header of the mini cell is described. Either an extension bit method or an extension code method is used to extend the length field so as to increase the number of length values available for coding of the mini cell sizes. The length of a mini cell is indicated in the individual mini cell or is indicated indirectly using a CID/length mapping table. Mini cell sizes are changed during a connection and methods are described for doing this. Cell header reading devices for extracting user information of individual mini cells are described. A mobile telephone network using the cell header reading devices is described.

Abstract: A link for transmitting digital information is time-shared between a plurality of units under the control of one of the units called the control unit. The control unit communicates with the other units by means of individually addressed signaling cells enabling it to interrogate each unit regularly as to its current status and its requirements for communication via the link and to advise it of at least one particular frame time slot for sending a response and others for sending cells. The invention also concerns units for implementing this method.

Abstract: A configuration server is incorporated into a distributed router to support multiple route servers in an internetworking system. The multiple route servers in the system provide load sharing and/or standby functionality. In the system route servers provide routing decisions while edge forwarders are the packet forwarding elements. The configuration server is responsible for mapping edge forwarders to route servers.

Abstract: A method for uplink power control and time synchronization in a satellite communications system that is achieved using satellite-based measurements of the uplink signal power and signal arrival time. Uplink signals transmitted from an originating terminal are received by a communications satellite which measures the received signal power and arrival time. The satellite transmits a downlink signal to the originating terminal containing information of the measured uplink signal power and arrival time. The originating terminal receives the downlink signal and transmits subsequent uplink signals with an uplink signal power and transmission timing based on the information transmitted by the satellite.

Abstract: A method and system for managing communication resources between nodes in a network, and more particularly to a dynamic distributed multi-channel time division multiple access (TDMA) slot assignment method is presented. The method and apparatus include a set of higher level heuristics that enable the wireless channel access scheme to address predetermined characteristics of the wireless channel access system. These predetermined heuristics include using bootstrap slots, adaptive broadcast cycles, channelized neighborhoods, standby slots, speculation slots, neighbor segregation, hard circuits, and soft circuits.

Abstract: To transparently transport an incoming clock signal (CLK2) with a known frequency over a network segment wherein transmission between a transmitter (TX) and a receiver (RX) operates synchronous to a transmit clock signal (CLK1) and receiver clock signal (CLK1′) which are synchronized, the transmitter measures the phase difference (P) between the incoming clock signal (CLK2) and a reference signal (R) obtained from the transmit clock signal (CLK1). The measured phase difference (P) is communicated to the receiver (RX) and used therein to generate a copy clock signal (CLK2).