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| Number | Title | Issue Date |
| 8059636 | Radio communication method and radio communication apparatus A beacon slot position control section of a radio communication apparatus constituting a radio network system which detects whether empty beacon slots are present in a beacon period. When an empty beacon slot is present before the period in which the radio communica... | 11/15/2011 |
| 8059637 | Radio communication method and radio communication apparatus A beacon slot position control section of a radio communication apparatus constituting a radio network system which detects whether empty beacon slots are present in a beacon period. When an empty beacon slot is present before the period in which the radio communica... | 11/15/2011 |
| 7974274 | Telecommunication systems A telecommunication system (1) provides bi-directional communication between TDM signals on one side and ATM signals on the other. An ATM aggregate (10) receives and transmits ATM signals, and a TDM interface (2) receives and transmits TDM signa... | 07/05/2011 |
| 7843905 | Modular high-capacity switch A modular optical switch includes a set of optical switch modules connected in a mesh, a master controller for the whole optical node and a switch-module controller for each of the optical switch modules. The optical switch modules receive optical signals from, and ... | 11/30/2010 |
| 7733854 | Forced bubble insertion scheme A network device for processing packets. The network device includes a memory management unit for storing packets and performing resource checks on each packet and an egress module for performing packet modification and transmitting the packet to a destination port.... | 06/08/2010 |
| 7633936 | Time-slot interchange circuit A circuit and method are presented for signal processing and routing of digital voice telephony signals, using a specialized high-density integrated circuit voice processor. The voice processor performs several essential functions required for telephony processing, ... | 12/15/2009 |
| 7620038 | Using hot swap logic in a communication system Methods and systems are provided for providing hot swapability of TSIs in a TDM system using FPGA hot swap logic. The hot swap logic is used to provide isolation for the TSIs from a system TDM bus in the TDM system. Moreover, the hot swap logic is capable of improvi... | 11/17/2009 |
| 7558258 | Wireless communication method and wireless communication apparatus A beacon slot position control section (205) of a radio communication apparatus constituting a radio network system which detects whether empty beacon slots are present in a beacon period. When an empty beacon slot is present before the period in which the ra... | 07/07/2009 |
| 7450576 | Timeslot assignment An apparatus and method includes receiving frames from multiple channels, each frame partitioned into multiple timeslots, reading a timeslot lookup table including an entry that specifies an assignment associated with each timeslot, and storing the data associated w... | 11/11/2008 |
| 7443843 | Terminal relay device and relay method An apparatus has a cross connection circuit, first switching sections located on the input side of the cross connection circuit to switch a presently-used transmission path and a reserve transmission path, and second switching sections located on the output side of ... | 10/28/2008 |
| 7428231 | Channel sharing method and device thereof A channel sharing method and device thereof are disclosed. The method starts by providing a plurality of channels, wherein each of the channels comprises a time interval. A time slot having a width being X times of a maximum value of all the time intervals is provid... | 09/23/2008 |
| 7424030 | Method, system and storage medium for providing a cross connect user interface A user interface for managing connections in a communication network cross connect. The user interface provides for creation, viewing and removing connections in the cross connect. When displaying connections, a granularity may be adjusted to allow for effective vie... | 09/09/2008 |
| 7406101 | System and method for providing on-chip delay measurements in serializer / deserializer systems A system and method is provided for making highly accurate data propagation delay measurements in a serializer/deserializer (SERDES) integrated circuit. The invention detects a selected special character when the special character is present at the input of a transm... | 07/29/2008 |
| 7382799 | On-demand broadcast protocol A method of communicating over a network of nodes using a plurality of time slots is disclosed. According to the method, at least one of the plurality of time slots are assigned to a first node. The first node communicates, to neighboring nodes within one hop of the... | 06/03/2008 |
| 7359359 | Method and system of channel adaptation The present invention relates to transmissions and retransmissions in a communications system. It reveals a method and system for backward compatible detection of an introduced channel sub-frame structure particularly well suited for data transmissions. The inventio... | 04/15/2008 |
| 7359410 | Apparatus and method for increasing optical density of SONET multiplexer using integral components An OC3 to three DS3 SONET multiplexer is provided employing a field programmable gate array and other components in a single Type 400 mechanics card to achieve a form factor that is substantially reduced when compared to existing SONET multiplexers. The OC3 to three... | 04/15/2008 |
| 7359379 | Managing data in a subtended switch A technique for provisioning cross-connects in network switching environment includes receiving a portion of the an input data stream including having header data and the payload data, the payload data occurring at a first offset relative to the header data and gene... | 04/15/2008 |
| 7352781 | Dual backplane rate, triple OC3 service unit A system for intercommunicating data traffic provides the capability to connect external interfaces that use one third or less of the OC3 bandwidth capacity in a reduced bandwidth mode that reduces system cost, while automatically switching to the full bandwidth mod... | 04/01/2008 |
| 7349341 | Procedure for sorting flows in a transport network carrying circuit data flows A procedure for sorting a plurality of circuit data flows (7, 8, . . . ) located, according to an initial configuration, in a plurality of sets of slots (space, time, frequency or wavelength) in a transport sub-network, comprising the following steps:—calcu... | 03/25/2008 |
| 7346048 | Efficient high density voice processor A circuit and method are presented for signal processing and routing of digital voice telephony signals, using a specialized high-density integrated circuit voice processor. The voice processor performs several essential functions required for telephony processing, ... | 03/18/2008 |
| 7333444 | Method and apparatus for creating a robust highly connected direct interconnection network One embodiment of the present invention provides a system for generating an interconnection network. During operation, the system associates an n-bit binary identifier with each node in the interconnection network. The system also groups the n bits of each binary id... | 02/19/2008 |
| RE40057 | Method and apparatus for providing interoperation between a digital communication system and a public switched telephone network An interworking unit (14) for providing an interface between a digital communication network (12) and a public switched telephone network (PSTN) (16) includes a de-vocoder (30), a protocol termination unit (32), and a signal combin... | 02/12/2008 |
| 7313151 | Extendible asynchronous and synchronous interface bus for broadband access Apparatus for simultaneously transferring synchronous and asynchronous signals among broadband access devices includes a data bus, a clock bus, and a plurality of control lines which are used to indicate the type of data being carried on the bus. According to the me... | 12/25/2007 |
| 7310308 | Systems and methods for multiple mode voice and data communications using intelligently bridged TDM and packet buses Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a... | 12/18/2007 |
| 7301960 | Apparatus for and method of control and communication of multiple stations in a TDM network A system for transmitting and receiving control data in a TDM communications network includes a single master TDM multiplexor and one or more slave TDM muliplexors. The master station stimulates the one or more slave stations, and only one station can transmit contr... | 11/27/2007 |
| 7301941 | Multistage digital cross connect with synchronized configuration switching A digital cross connect comprises plural switching stages. Each stage has plural switches which receive plural frames of time multiplexed input data and which switch the data in time and space. Configurations of the switches change in frame synchronization at the st... | 11/27/2007 |
| 7298759 | Apparatus for generating time slot in home network system and method thereof An apparatus for generating a time slot in a home network system using home PNA 2.0 protocol and a method thereof are provided. The apparatus for generating a time slot includes a signal analyzer which receives a carrier sense signal indicating whether or not data e... | 11/20/2007 |
| 7295817 | Wireless data communication unit A wireless data communication unit (700) shares a data communication resource with a plurality of other data communication units. The wireless data communication unit (700) receives channel status information from a wireless serving communication unit ... | 11/13/2007 |
| 7292528 | Method and apparatus to facilitate independent protection switching in a distributed network A method and apparatus to establish independence between nodes in a distributed network during protection switching. A translation module that may include a cross connect table is introduced onto a backplane of a line card between a switch fabric and an egress time ... | 11/06/2007 |
| 7292568 | Timeslot interchange switch A timeslot interchange switch has a three stage pipelined construction. A cross-connect stage identifies egress timeslots for which there is a corresponding data source. The cross connect stage has a set of flags which indicate whether or not there is a data source ... | 11/06/2007 |
| 7292574 | Automated method for mapping constant bit-rate network traffic onto a non-constant bit-rate network A constant-to-variable cache router is situated between a constant bit-rate network and a variable bit-rate network. A monitor within the variable bit-rate network measures the available bit-rate within the variable bit-rate network and communicates the available bi... | 11/06/2007 |
| 7274230 | System and method for clockless data recovery A system for clockless synchronous data recovery is provided. The system includes an input rate demultiplexer receiving a serial data stream of bits of data transmitted at a bit rate and generating two or more parallel data streams from the serial data stream. One o... | 09/25/2007 |
| 7266128 | Time-slot interchange switches having efficient block programming and on-chip bypass capabilities and methods of operating same Time-slot interchange (TSI) switches include a data memory having first entries therein that contain serial data received by the switch and a connection memory having second entries therein. When programmed, these second entries contain addresses of a plurality of t... | 09/04/2007 |
| 7260093 | Time-slot interchange switches having group-based output drive enable control and group-based rate matching and output enable indication capability Time-slot interchange (TSI) switches include an input buffer that is configured to receive at least first and second groups of serial input data streams and an output driver that is configured to generate at least first and second groups of serial output data stream... | 08/21/2007 |
| 7257115 | Data memory address generation for time-slot interchange switches Time-slot interchange (TSI) switches and a pipelined data memory address generation circuit are provided. The TSI switches and the pipelined data memory address generation circuit include a first pipeline stage that reads data from a connection memory. A second pipe... | 08/14/2007 |
| 7254128 | Channel data extracting circuit and extracting method A channel data extracting circuit for extracting data for each channel from a frame in which byte data of channels are multiplexed includes a Banyan unit and data control unit. The Banyan unit distributes data for respective channels by Banyan switches of planes cor... | 08/07/2007 |
| 7243183 | SONET data byte switch A switch system including a plurality of input ports and a plurality of output ports for transferring data from one of the input ports to one of the output ports, and a plurality of memory devices is disclosed. The memory devices include a first memory bank configur... | 07/10/2007 |
| 7239649 | Transmission system In order to increase the efficiency of large-capacity transmission, the continuity of divided signals generated by dividing a multiplexed signal is maintained and the original large-capacity multiplexed signal is restored. A signal dividing section divides a multipl... | 07/03/2007 |
| 7233600 | Method and apparatus for dynamic DSP resource management The present invention relates to a system and method of managing DSP resources within a network interface system (NIS). A Digital Signal Processing (DSP) resource manager dynamically allocates DSP resources to ensure that a DSP resource is always available to proces... | 06/19/2007 |
| 7203197 | Method and apparatus for interfacing utopia bus with serial TDM channel transporting ATM data A bidirectional serial TDM backplane—UTOPIA interface contains an ATM cell boundary location and transmit flow control mechanism, to provide for the efficient capture and storage of ATM cells from a serial TDM channel. Once stored in a transmit buffer, individual ... | 04/10/2007 |
