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| Number | Title | Issue Date |
| 8155032 | Adaptive scheduling for half-duplex wireless terminals Adaptation is introduced into allocation of uplink and downlink subframes in wireless communication systems that support full-duplex and half-duplex mobile terminals, thus reducing interference between mobile terminals. In an exemplary method for allocating uplink a... | 04/10/2012 |
| 8125933 | Mobile wireless communications device including a differential output LNA connected to multiple receive signal chains A mobile wireless communications device may include an antenna, a wireless radio frequency (RF) receiver, a wireless RF transmitter, and a duplexer connecting the wireless RF receiver and the wireless RF transmitter to the antenna. More particularly, the wireless RF... | 02/28/2012 |
| 8098601 | Slow adaptation of modulation and coding for packet transmission Systems and methods for performing MCS adaptation are provided. In some cases, the network performs MCS adaptation based on received NACKs. In other cases, the mobile station determines an MCS based on channel quality measurements, and feeds back the MCS adaptation ... | 01/17/2012 |
| 8027277 | Passive network tap for tapping network data A passive full-duplex bidirectional ZPL tap includes first and second network ports and first and second tap ports. A passive signal separator is configured to receive a data stream from at least one of the first or second network port and pass through the data stre... | 09/27/2011 |
| 8018878 | Method and device to transmit a busy medium signal to another device The present invention concerns a device comprising a medium access control module for performing functions of a medium access control sublayer, noted MAC module, the device comprising a MAC interface module connected to the MAC module, the MAC interface module being... | 09/13/2011 |
| 8000271 | Method and system for selectively operating in a half-duplex mode or full-duplex mode in a packet-based real-time media conference A method and system for managing communications in a packet-based real-time media conference. A conference server determines whether a given conference session should operate in half-duplex mode or in full-duplex mode, and the server instructs at least one participa... | 08/16/2011 |
| 7995505 | System and method for leveraging user rated media A method and system for leveraging user media file rating data. In one aspect, the system includes a component in communication with a plurality of media file related services, a rating storage, and a component for making the user rating data available to be used by... | 08/09/2011 |
| 7940706 | Controlling the state of duplexing of coupling facility structures A coupling facility is coupled to one or more other coupling facilities via one or more peer links. The coupling of the facilities enables various functions to be supported, including the duplexing of structures of the coupling facilities. Duplexing is performed on ... | 05/10/2011 |
| 7924748 | Method and system for controlling power in a communication system A method is provided for controlling power in a communication system. The power control method includes allocating a first data transmission region and a second data transmission region corresponding to a first communication scheme and second communication scheme; p... | 04/12/2011 |
| 7920489 | Simultaneous receiving and transmitting of data over a network Embodiments herein provide full duplex operation (i.e., simultaneous receiving and transmitting of data over a network) of a network device of a computer system. Receiving and transmitting threads are used for receiving and transmitting data using the network device... | 04/05/2011 |
| 7869388 | Class-B transmitter and replica transmitter for gigabit ethernet applications A method and apparatus for a Gigabit Ethernet transceiver that has a Class-B amplifier in a main transmitter for higher efficiency and power handling capabilities. The output current of the main transmitter is produced by a reference voltage applied across a resisto... | 01/11/2011 |
| 7860033 | Passive network tap with bidirectional coupler and associated splitting methods The principles of the present invention relate to passive full-duplex bidirectional Zero Packet Loss (ZPL) network taps that include single, dual, or dual differential couplers that are placed in the communication path between two network devices that communicate us... | 12/28/2010 |
| 7860034 | Receive only physical interface device IC used in a passive network tap A receive or listen only Physical Interface Device (Phy). The receive or listen only Phy is configured to have a front end configured to only receive data from a communications network. The receive only Phy may be implemented a part of a tap device including a first... | 12/28/2010 |
| 7839806 | Ethernet communication device on coaxial cable The inventive communication device for converting a baseband data signal to a baseband signal for a coaxial cable, comprises at least one first input terminal for receiving an incoming baseband data signal, at least a first output terminal for outputting an outgoing... | 11/23/2010 |
| 7835309 | Multiplexed communication for duplex applications The present invention extends to methods, systems, and computer program products for multiplexed communication for duplex applications. Embodiments of the invention facilitate a multiplexed variant of long polling over a request/reply communication medium that (pote... | 11/16/2010 |
| 7817585 | Data capture technique for high speed signaling A data capture technique for high speed signaling to allow for optimal sampling of an asynchronous data stream. This technique allows for extremely high data rates and does not require that a clock be sent with the data as is done in source synchronous systems. The ... | 10/19/2010 |
| 7813306 | Method and apparatus for providing downlink delay diversity A method and apparatus for providing downlink transmit delay diversity (TDD). In accordance with the invention, a BTS includes at least one simplex transceiver (S-TRX) that does not implement downlink TDD and at least one duplex transceiver (D-TRX) that does impleme... | 10/12/2010 |
| 7796544 | Method and system for providing an analog front end for multiline transmission in communication systems A method and system for providing an analog front end for multiline transmission in communications systems are described. A transceiver circuit (1100) is configured to reduce line noise by providing a coupled transmitter (1106), receiver (1106),... | 09/14/2010 |
| 7787400 | Passive network tap with digital signal processing for separating signals A passive full-duplex bidirectional ZPL tap includes first and second network ports and tap ports. A signal separator is configured to receive a data stream from at least one of the first or second network ports and pass through the data stream and configured to obt... | 08/31/2010 |
| 7778207 | Passive tap and associated system for tapping network data A network tap device array including one or more passive full-duplex bidirectional ZPL network tap devices is disclosed. The array enables data from multiple nodes in a communications network to be tapped and forwarded to a plurality of monitoring devices. In one em... | 08/17/2010 |
| 7760670 | Communication apparatus A communication system transmits data in a control system for an underwater fluid well. A communications link is located between first and second facilities of the well. A data transmitter for transmitting data from one of the facilities to the other via the communi... | 07/20/2010 |
| 7738408 | Transceiver for full duplex communication systems A transceiver in a full duplex communication system includes a hybrid circuit for transmitting a transmission signal or receiving a receive signal via the channel, the hybrid circuit includes an echo cancellation device for removing transmission signal components fr... | 06/15/2010 |
| 7729300 | Class-B transmitter and replica transmitter for gigabit ethernet applications A method and apparatus for a Gigabit Ethernet transceiver that has a Class-B amplifier in a main transmitter for higher efficiency and power handling capabilities. The output current of the main transmitter is produced by a reference voltage applied across a resisto... | 06/01/2010 |
| 7706307 | System and method for selecting a communication band A system and method for making a band selection in a wireless communications device is provided. The available bands include a first-communication band, a second communication band, and an auxiliary band. A wideband diplexer provides a wideband path, which includes ... | 04/27/2010 |
| 7688765 | TDD switch of TDD wireless communication system A Time Division Duplex (TDD) wireless communication system includes a switch connected to an output port of a transmitter, a first transmission line for transmitting a transmission signal and for isolating a transmission path according to a mode, a first transmissio... | 03/30/2010 |
| 7656826 | Terminal control system A terminal control system is provided that has a main control device, a plurality of terminal devices controlled by the main control device, and communication lines for connecting the main control device and each of the terminal devices so as to allow bidirectional ... | 02/02/2010 |
| 7643437 | Half-duplex terminal for displaying holding time and communication method therefor A half-duplex terminal for displaying a holding time and a communication method therefor are provided. In the half-duplex terminal, a transmitter/receiver transmits/receives data and an acknowledgement (ACK) signal, a push-to-X (PTX) key is activated for data transm... | 01/05/2010 |
| 7636327 | Method and system for selectively operating in a half-duplex mode or full-duplex mode in a packet-based real-time media conference A method and system for managing communications in a packet-based real-time media conference. A conference server determines whether a given conference session should operate in half-duplex mode or in full-duplex mode, and the server instructs at least one participa... | 12/22/2009 |
| 7602739 | Communication arrangement and method for bidirectionally transmitting data between a first communication unit and a second communication unit A communication arrangement and a method are provided for bidirectionally transmitting data between a first communication unit and a second communication unit. The first communication unit and the second communication unit are connected to one another via a fiber-op... | 10/13/2009 |
| 7477615 | Transceiver, data transfer control device, and electronic instrument A transceiver includes upstream differential signal lines DPUP and DMUP, downstream differential signal lines DPDW and DMDW, common differential signal lines DPCM and DMCM, a first transmission driver of which outputs are connected to DPUP and DMUP, a second transmi... | 01/13/2009 |
| 7420938 | Finding duplex mismatches in copper based networks In an embodiment, a method for finding duplex mismatches in a copper based network, includes: detecting late collisions and cyclic redundancy check (CRC) errors; if a port is in auto-negotiation and up in half-duplex and over threshold late collisions have been dete... | 09/02/2008 |
| 7408996 | Method and apparatus for synchronization of data in a transformer circuit A method and apparatus for synchronizing the secondary side to the primary side of a transformer circuit are presented. A preamble which consists primarily of data pulses and inverted power pulses is used initially to obtain the parameters for and to set up a phase ... | 08/05/2008 |
| 7394771 | Apparatus and method for data communication including establishing communication using tone signal In optical two-way communication using a single optical fiber, part of the light transmitted from an apparatus is received as stray light by the apparatus itself. This occasionally hampers accurate detection of disconnection from the partner apparatus and of the sta... | 07/01/2008 |
| 7369074 | D/A converter for a digital signal after non-linear A/D conversion, audio signal processing circuit and liquid crystal display device including the same A D/A converter inputted with non-linear conversion digital data such as a digital signal encoded according to a μ-Law system or the like as it is to convert into an analog signal. A D/A converter is of resistor string type, in which a resistance value of each of r... | 05/06/2008 |
| 7366231 | Sub-block domain transformation multiple signal processing Embodiments of an Ethernet transceiver are disclosed. The Ethernet transceiver includes a plurality of digital signal streams, at least one digital signal stream being coupled to another of the digital signal streams. A domain transformer transforms sub-blocks of ea... | 04/29/2008 |
| 7366161 | Full duplex voice path capture buffer with time stamp For diagnostic and trouble-shooting purposes, an audio/voice signal capture mechanism is adapted to be interfaced with a time division multiplexed (TDM) transport path-cascaded echo canceler and compression arrangement for an integrated access device (IAD). The audi... | 04/29/2008 |
| 7362791 | Method and apparatus for domain transformation multiple signal processing A method and apparatus of joint processing a plurality of digital signal streams is disclosed. The method includes transforming a plurality of the digital signal streams from an original domain to a lower complexity processing domain. The transformed plurality of di... | 04/22/2008 |
| 7360192 | Macrocell, integrated circuit device, and electronic instrument A macrocell including a physical layer circuit includes a transmitter circuit and a receiver circuit connected with pads for differential signals DP and DM. The transmitter circuit includes a transmission driver which drives a signal line for the DP and a transmissi... | 04/15/2008 |
| 7359397 | Prioritizing transfers across an interface Method and apparatus for prioritizing outbound data transfers across a serial data transmission interface to a connected device. An interface circuit includes a memory block in which outbound frames are temporarily stored pending transfer to the connected device, th... | 04/15/2008 |
| 7352803 | Apparatus and method for communicating voice and data between a customer premises and a central office Systems and methods are provided for communicating data over a subscriber loop using a modem. One such method includes: transmitting data on the loop in a first frequency band; sensing an indication that simultaneous transmission on the loop in a POTS frequency band... | 04/01/2008 |
