Matches 201 - 250 out of 346 < 1 2 3 4 5 6 7 >
Match Document Document Title
6122294 Method and apparatus for network transmission capacity enhancement for the telephone circuit switched network  
Adjunct apparatus for increasing network transmission capacity provides a low-cost, efficient solution for increasing the network transmission capacity of the existing telephone circuit switched...
6122280 Packet output device and packet output method  
A packet output device for formatting serial data into packets and for transmitting resulting data packets includes a data packet generator for generating each data packet and for generating time...
6097735 Signal processing apparatus capable of processing received signals of different bit rates  
In a signal processing circuit capable of handling different signal rates, an STS-3 signal input as 78 M×2 parallel signals is converted by a serial-to-parallel converter into 19 M×8 parallel...
6057886 Transmission of data items  
A system for transmitting a plurality of data items from a transmitter to one or more receivers. Each data item (Di) is identified by a unique number (i) within a given range. According to the...
6054942 System and method for scaleable encoding and decoding of variable bit frames  
A method and system for parallel encoding of data for bit-stuffed HDLC compatible transmission is presented. The method analyses a byte in parallel with four recirculated previously encoded bits...
6052819 System and method for detecting correcting and discarding corrupted data packets in a cable data delivery system  
A method for transporting digital data from a sender to a receiver in a system where the digital data is broken into data packets for transmission over radio frequency channels, each data packet...
6044078 Method of and system for exchanging information of payload fields of ATM cells  
A method of and a system for exchanging information of payload field of ATM cells wherein the minimum exchanging unit is 1 byte removing the limitation of the current ATM exchanging unit to 48...
6038603 Processing customized uniform resource locators  
A first computer system determines whether a URL contains a first value corresponding to an encapsulating protocol. If the URL contains a value corresponding to an encapsulating protocol, the first...
6034958 VP/VC lookup function  
A new, efficient approach to ATM connection table lookup minimizes the number of tables and memory lookups through use of hash coding and binary table search techniques. The virtual connection...
6009098 Data transmission apparatus and data transmission method  
A data transmission apparatus suitable for use for a VOD system etc. able to supply program data in response to a request made at any time. In the data transmission apparatus (1) of the present...
6009075 Transport interface for performing protection switching of telecommunications traffic  
A transport interface (10) provides add drop multiplex functionality and termination requirements for the transportation of network traffic. The transport interface (10) includes high speed units...
5995554 Data framing format for digital radio communications and method of forming same  
A data frame format, and method for forming a data frame for use in a wireless communication system, which includes both voice and command/control data in each frame. The data frame has two or more...
5987026 Communications network carrying synchronous and asynchronous traffic  
A synchronous transmission system is adapted to carry both synchronous and asynchronous traffic and has a number of nodes providing ingress and egress of the traffic. Each node includes first and...
5982816 Digital communication system using packet assembling/disassembling and eight-to-fourteen bit encoding/decoding  
A digital communication system communicates data between a transmitter station and a receiver station by means of a carrier wave. The transmitter station has a packet assembler for assembling data...
5978377 STM-based ATM cell physical layer processing circuit  
The present invention discloses a processing circuit for STM-based ATM (Asynchronous Transfer Mode) cell physical layer. In the present invention are disclosed a general circuit structure having a...
5978375 Telecommunication system and a method for transferring microcells therein  
A telecommunication system has a sending entity, a receiving entity, and an ATM link between the sending and receiving entities for transferring ATM cells on specific separate ATM connections. The...
5963588 Apparatus for modulating/demodulating signals  
An apparatus connects a data processing system (10) with an analog telephone line and/or an ISDN line. The apparatus modulates and demodulates data from the data processing system (10) to either of...
5943319 Packet format interface for telecommunication instruments  
Improved telecommunication apparatus is realized with a structure that is tailored to interact with the telecommunication network strictly in packet format. The apparatus includes circuitry for...
5940385 Multicellular transmission method and apparatus  
A multicellular transmission apparatus in a mobile communication network, capable of preventing delay involved in reassembling short packets into fixed length packets (ATM cells), degradation of...
5933431 Frame-based modulus interleaver  
The frame based modulus interleaver is used in a digital communications system. The interleaver uses an algorithm which insures that all of the data blocks which are present in the each input frame...
5926480 Digital cross-connect system to digital loop carrier interface unit  
An interface unit (12) for interfacing a digital loop carrier (16) to a digital cross-connect (14) comprises a control interface (22) coupled between the digital cross-connect (14) and digital loop...
5926464 Customer telecommunication interface device with built-in network features  
Improved telecommunication apparatus is realized with a structure that is tailored to interact with the telecommunication network strictly in packet format. The apparatus includes circuitry for...
5923664 Method and apparatus providing a multiport physical interface to high speed packet networks  
The invention discloses a method and an apparatus for implementing the physical interface in a network element connected to a packet network such as Asynchronous Transfer Mode (ATM) network. With...
5909445 Mechanism for transporting digital pots signals within framing structure of high bit rate digital local subscriber loop signals  
A local subscriber loop architecture embeds digitized POTS signals into the framing format of high bit rate digital subscriber loop signals being transported over a local loop for serving both...
5905756 Byte sequencing protocol for an asynchronous data transmission system  
A communication system that communicates between a base station and a mobile station over a wireless rf channel. The communication system uses a novel protocol for transmitting a data frame in...
5905731 Synchronous telecommunications system with unique indentification of paths  
In a digital telecommunication system having data packages carrying identification data, the identification data is characterized in that it is unique to the package within a station and does not...
5905719 Method and system for wireless internet access  
Disclosed are a system and method for providing wireless access to a network, such as the internet. The disclosed technique takes into account the inherent asymmetric and bursty characteristics of...
5892771 System for establishing a TDM information protocol over a communications path  
System for establishing a TDM information protocol over a communications path includes a transmit section and a receive section. In general, the transmit element receives a succession of data...
5889773 Method and apparatus for placing time division multiplexed telephony traffic into an asynchronous transfer mode format  
A host digital terminal (118) receives telephony traffic from a time division multiplexed (TDM) switch (122) and packet data asynchronous transfer mode (ATM) cells containing packet data...
5886994 Apparatus and method for mapping high density E1 signals into a digital cross-connect matrix space  
Apparatus and method are provided which map E1 signals into a logical space of a predetermined number of DS1 signals. 24 selected DS0 signals that are part of each E1 signal are mapped into the...
5883898 Apparatus and method for mapping E1 signals into a digital cross-connect matrix space  
Apparatus and method are provided which map E1 signals into a logical space of a predetermined number of DS1 signals. 24 selected DS0 signals that are part of the first E1 signal are mapped into...
5878045 Method and apparatus for converting data streams in a cell based communications system  
A frame to cell converter (413) uses a process for converting a data transmission stream for transportation in a cell-based network (102). The frame to cell converter (413) receives a data...
5875191 Apparatus and method for mapping telecommunications signals onto a subscriber bus  
Two T1 signals are mapped onto a subscriber bus (26) in a subscriber loop equipment (10) for transport between a bank control unit (20) and channel units (22), for example. The data channels and...
5844897 Data transmission apparatus and data transmission method  
A data transmission apparatus suitable for use for a VOD system etc. able to supply program data in response to a request made at any time. In the data transmission apparatus (1) of the present...
5842007 Method and system for transferring high level control messaging framing and payload data in a serial stream in a communications system  
A method of transferring payload, control and messaging data in a communications system, in a serial data stream at a pre-set bit rate per second is disclosed. The method comprises, transferring a...
5832233 Network coupler for assembling data frames into datagrams using intermediate-sized data parcels  
A data processing element comprises at least one processor, a main memory, and a network coupler for coupling the processing element to a network. The network coupler includes a packing circuit for...
5822321 Minicell segmentation and reassembly  
In a telecommunication system that uses asynchronous transfer mode (ATM) with the ATM adaption layer (AALm) protocol as a data transfer infrastructure, a method and apparatus for segmenting and...
5805573 Satellite communication system with variable number of satellite communication channels  
A central station is connected to a plurality of remote stations through in-bound channels and out-bound channels. Data is transmitted from the respective remote stations to the central station...
5802063 Conditional access filter as for a packet video signal inverse transport system  
Apparatus in a receiver, for processing transmitted entitlement control information, includes a packet transport processor for selecting signal packets having payloads containing a conditional...
5793770 High-performance parallel interface to synchronous optical network gateway  
A digital system provides sending and receiving gateways for HIPPI interfaces. Electronic logic circuitry formats data signals and overhead signals in a data frame that is suitable for transmission...
5793760 Method of multiplexing and a multiplexer  
A pure ATM based multiplex is incapable, especially at low carrier rates, of satisfactorily carrying constant bit rate traffic or/human communication traffic. A multiplex format having a plurality...
5764919 Data transmission method and system therefor  
A data transmission system for a vehicle includes a plurality of control systems installed on the vehicle, and a network bus connecting the plurality of control systems with each other for...
5761206 Message packet protocol for communication of remote sensor information in a wireless security system  
In a security or monitoring system having a system roller and one or more sensor/transmitters, information is sent from the transmitter to the system controller in message packets. As improved...
5742610 Method and apparatus for use in a data communications network serving subscribers operating at a plurality of transmisson data rates  
A data communication system that includes a subscriber unit operating at a transmission data rate encompasses a method of transmitting an information stream. This method includes the steps of...
5742599 Method and system for supporting constant bit rate encoded MPEG-2 transport over local ATM networks  
A system and method for supporting constant bit rate encoded MPEG-2 transport over local Asynchronous Transfer Mode (ATM) networks. The present invention encapsulates constant bit rate encoded...
5729543 Sequencer employing conditional logic in a TDMA burst mode controller  
A multi-tasking, dynamically controlled micro-sequencer for use in a TDMA communication system is described. Rather than the output of the sequencer being solely a linear sequence of instructions...
5721725 Protocol for channel access in wireless or network data communication  
In a carrier sense multiple-access (CSMA) network, such as a wireless network or a LAN, a transceiver which initiates a transmission to a recipient transceiver in the same medium sends out,...
5715248 Derivation of VT group clock from SONET STS-1 payload clock and VT group bus definition  
A SONET formatter circuit (10) receives a parallel STS-1** TX signal (19) from a highspeed interface module. The STS-1** TX signal (19), which contains a floating VT group payload, is demultiplexed...
5706439 Method and system for matching packet size for efficient transmission over a serial bus  
A computer system that is able to specify a packet size transmission rate is disclosed. The computer system has a plurality of nodes, each node being serially connected on a P1394 bus to at least...
5687176 Zero byte substitution method and apparatus for telecommunications equipment  
An interface circuit is provided for implementing zero-byte substitution (ZBS) in a channel unit or line card which couples a digital subscriber line, such as a basic or primary rate Integrated...
Matches 201 - 250 out of 346 < 1 2 3 4 5 6 7 >