|7411984||Method of providing tone information to nodes in a packet network|
Telephone tones such as dialing tones and busy or engaged tones differ in different countries and in traditional telephone networks it has been possible to deal with this because national telephone networks have been used. However, with the advent of next generation...
|7260361||Locating interfering devices in wireless networks using channel adaptation metrics|
A method, apparatus and system relate to detecting an interfering device in a wireless network such as a wireless local area network (WLAN). In wireless networks using orthogonal frequency division multiplexing (OFDM) and adaptive bit loading (ABL), adaptive modulat...
|7069492||Method of interleaving a binary sequence|
To interleave a binary sequence a represented by the polynomial a ( x ) =
|7035400||Signaling Techniques in channels with asymmetric powers and capacities|
An improved system and method for communicating information on a transmission medium is disclosed. The disclosed system and method provide improved communications on the transmission medium in the presence of interference, which may take the form of uncorrelated int...
|6998883||Synchronization of signals|
A circuit and method are provided to enable the synchronization of an on-demand, synchronous signal with an asynchronous signal. The synchronous signal is activate only for a portion of the period of the asynchronous signal, thus providing beneficial power conservat...
|6993085||Encoding and decoding methods and devices and systems using them|
For encoding a source sequence of symbols (u) as an encoded sequence, the source sequence (u) is divided into p1 first sub-sequences (Ui), p1 being a positive integer, and each of the first sub-sequences (U
|6961320||In-band transmission of TTY/TTD signals for systems employing low bit-rate voice compression|
A method, system, and software product for transmitting TTY/TDD signals in a system employing low bit-rate voice compression are disclosed. The method includes receiving an input signal and generating a teletypewriter (TTY) indicator signal from the input signal. Wh...
|6952583||Method for processing synchronous message in asynchronous mobile communication system|
A method for processing a synchronous message in an asynchronous mobile communication system including an asynchronous mobile station and an asynchronous radio network, comprises the steps of: when a synchronous core network is interlocked with the asynchronous radi...
|6438112||Device and method for coding information and device and method for decoding coded information|
The information coding device has: a first labeling means adapted to associate, with the information to be coded, K "initial" first degree polynomials, a coding means which performs a polynomial calculation: to form K "coded" sequences of P, greater than or equal t...
|5602878||Method of delivering stable data across an asynchronous interface|
The present invention relates to a method and apparatus for asynchronously transferring data from a first synchronous sequential logic circuit which derives its clock source from a first clock to a second synchronous sequential logic circuit which derives...
|5452302||Protocol for asynchronous character communication|
A first module (10) sends a message comprising a plurality of data characters to a second module (20) provided, however, that upon sending an individual data character, the first module waits to receive an acknowledgement character from the second module ...
|4638497||Framing code detector for a teletext receiver|
A framing code detector includes a shift register supplied with a received framing code and a number of EX-OR gates each having one input connected to a respective stage of the shift register and another input which is supplied with a respective bit of a ...
|4425564||Multiplex wiring system for motor vehicles|
A multiplex wiring system including a plurality of data line (n) from which (n2 -n) load devices may be either independently or simultaneously energized. The system includes a synchronizing unit for applying an enabling voltage to each data lin...
|4317207||Data transmission system|
A data transmission system wherein a transmitter always transmits the carrier to a receiver and modulates the carrier by using the sending data and a receiver demodulates the sending data, wherein, in order to discriminate whether the data demodulated in ...
|4214123||Bidirectional telewriting system operating in an alternating mode over a single carrier|
A bidirectional telewriting system for two-way transmission of telewriting ata over a transmission channel which is shared by a speech link. A frequency window is used within the speech frequency band, within which a single carrier is used. A commutator at...
|4187394||High-speed data link for moderate distances and noisy environments|
A full duplex, high-speed data link comprising identical modules at each site for communication over coaxial cables, each module having a DFM transmitter with an FIFO data buffer for data from a digital system to be transmitted over a cable and a receiver...
|4086436||Transmit and receive digital data channel elastic store|
Each of first N flip-flop stages, where N is an integer greater than one, has steered thereto an appropriate one of N bits of the data to be transmitted by a transmit write counter and a first N stage decoder under control of a transmit write clock. A tra...
|4079188||Multi-mode digital enciphering system|
The specification discloses an electronic digital enciphering system which is selectively operable in a plurality of different modes. The system may be operated in an off-line mode for preparing enciphered message tapes prior to transmission via teleprint...
A communication system for repeating a data signal received on one input/output line onto one or more other input/output lines while inhibiting the data signal repetition on the input/output line having input data being received thereon. The first bit of ...