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| Number | Title | Issue Date |
| 8130680 | Method for timing a pulsed communication system A method for timing a full duplex pulsed wireless communication system between first and second transceivers is disclosed. At least one of the transceivers is mobile. A propagation time between the first and second transceivers is calculated. A pulse period of the f... | 03/06/2012 |
| 7953028 | Methods and apparatus for improved receiver performance in half-duplex wireless terminals A half-duplex mobile terminal having first and second receiver branches connected, during a receive mode, to respective antennas, is disclosed. One of the antennas is selectively connected to the first receiver branch or to a transmitter circuit. The first antenna i... | 05/31/2011 |
| 7848266 | Frequency synthesizers for wireless communication systems Synthesizers are configured with first and second phase-locked loops (PLL's). The first PLL is arranged to include a digitally-controlled oscillator (DCO) and to respond to an input signal to provide a reference signal with a plurality of selectable reference freque... | 12/07/2010 |
| 7782803 | Half-duplex wireless network scheduling Direct communication between wireless nodes, which may be mobile or fixed or a mixture of mobile and fixed nodes, is permitted under a limitation that each node, for any given transmission period, is permitted to act in half-duplex mode, meaning that in that period ... | 08/24/2010 |
| 7773545 | Full division duplex system and a leakage cancellation method An exemplary embodiment of a full division duplex system comprises a receiver, a transmitter and an auxiliary circuit. The receiver receives an inbound RF signal of a first band to generate an inbound baseband signal, and the transmitter up converts an outbound base... | 08/10/2010 |
| 7672256 | Wireless communication method and apparatus for generating a serving grant based on a received relative grant A wireless communication method and apparatus for generating a scheduling grant based on a relative grant are disclosed. A wireless transmit/receive unit (WTRU) receives an absolute grant from a serving radio link set (RLS) and receives a relative grant from the ser... | 03/02/2010 |
| 7636328 | Efficient transmission of signaling using channel constraints To transmit signaling, a base station obtains signaling for a group of channels used for data transmission and selected from a set of channels having constraints on usage. The base station compresses the signaling based on the channel constraints and obtains at leas... | 12/22/2009 |
| 7630330 | System and process using simplex and duplex communication protocols The invention is directed to a method of and apparatus for initiating a duplex communication in response to a received simplex communication. In one embodiment of a method of converting a simplex communication to a duplex communication a simplex message is received;... | 12/08/2009 |
| 7580377 | Systems and method of datalink auditory communications for air traffic control A system and method for engaging in two-way communication between a pilot and an air traffic controller by speech and hearing processes wherein spoken messages are compared to a database of categorized messages for matching and selecting a categorized message for tr... | 08/25/2009 |
| 7437161 | Method of fast data transmission of mobile stations via the same base station In the method of packet transmission, data packet fragments received from a first mobile station are sent to a second mobile station without assembling and re-fragmenting the received data packet fragments if the first and second mobile stations are in a same cell. | 10/14/2008 |
| 7437170 | System and method for efficient push-to-talk communications A system and method are provided for efficient push-to-talk (PTT) communications in a cellular network of wireless telephones. The method comprises the steps of: receiving a PTT session initiation in a cellular wireless telephone network; identifying a plurality of ... | 10/14/2008 |
| 7424307 | Loss of page synchronization Systems and methods for maintaining data stream synchronization are provided. A system comprises one or more radio head interface modules and a call processing software module each adapted to communicate with each other. The call processing software module performs ... | 09/09/2008 |
| 7412722 | Detection of softswitch attacks A security system (150) in a network includes a softswitch (440) and a detection unit (420). The detection unit (420) detects activity directed to the softswitch (440) and records the detected activity. In another implementation, a... | 08/12/2008 |
| 7376093 | Filtering method to allow FDD and TDD operations in PCS transreceivers A transreceiver allows efficient operation in a full or half-duplex TDD or FDD system. The preferred transreceiver includes a common set of filters used for both FDD (Frequency Division Duplex) and TDD (Time Division Duplex) operation in a given range of frequencies... | 05/20/2008 |
| 7373133 | Recharging method and apparatus The present invention provides apparatus and an associated method for remotely energizing power storage devices. Energization may preferably be effected through the use of RF energy from a base station, ambient energy or ultra-wide band energy. The remote station pr... | 05/13/2008 |
| 7372930 | Method to synchronize data and a transmitter and a receiver realizing said method A method to realize synchronization of data (DAT) sent from a transmitter (TX) to the receiver (RX), with a signal (SIG) available in the receiver (RX). The method includes the following steps: in the receiver (RX) generating trigger signals (T) from the signal (SIG... | 05/13/2008 |
| 7369775 | Wireless duplex optical communication system A wireless optical communication systems using two optical transceivers located at the opposite ends of an optical communication line. The optical communication system can be either two-element, when each of the said transceivers contains one optical transmitter (em... | 05/06/2008 |
| 7355514 | Method and system for locating a dependent A method and system for locating a dependent by a guardian entity at a locality using RFID technology is disclosed. A RFID tag is situated with the dependent and a plurality of RFID reader devices capable of communicating with the RFID tag are distributed about the ... | 04/08/2008 |
| 7349349 | Method and system for efficient and reliable MAC-layer multicast wireless transmissions A method and system for reliable multicasting on a communication network includes sending Request-to-Send (RTS) signals from a sender node of the network to the receiver nodes, the RTS signals include a set of identifiers corresponding to the receiver nodes. The Cle... | 03/25/2008 |
| 7349700 | Communication system and method A method for communicating between an operator at an operator device and a user recipient includes enabling an operator of the operator device to enter a device-independent unique identifier for a user recipient by requiring interaction between the operator and the ... | 03/25/2008 |
| 7337337 | Apparatus and method of reducing power consumption using power-save polling list An apparatus and method of reducing power consumption in a station on a wireless LAN is provided. Included is a cumulative lead time frame receiver, a self lead time frame production transmission unit, an inactive state cumulative lead time count unit, and an active... | 02/26/2008 |
| 7330735 | Timing transitions between wireless communication systems Interoperability between wireless communication systems, such as the IS2000-1x and IS856 systems, is facilitated by using supervision timers. A wireless communication device starts one or more supervision timers and performs an intersystem transition. When the wirel... | 02/12/2008 |
| 7327775 | CDMA receiver A signal reception method including method and apparatus for receiving a signal, down converting the received signal through multi-tone down conversion to form an intermediate signal, and decoding the intermediate signal to extract data. In an embodiment, the receiv... | 02/05/2008 |
| 7313393 | Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data Classes of cognition models which may include: 1) Radio Environment models, 2) Mobility models and 3) Application/User Context models are utilized in a wireless communications network. Radio Environment models represent the physical aspects of the radio environment,... | 12/25/2007 |
| 7311244 | System and method for funding a collective account by use of an electronic tag A system and method for funding a collective account via aggregating usage of electronic tags is disclosed. The system and method promotes the use of electronic tags, and the funding of collective accounts that may be associated with charitable or other philanthropi... | 12/25/2007 |
| 7313103 | Method and apparatus for interactive communication between half-duplex and full-duplex systems A communication system (100) includes a first communication unit (101, 102, 103, 104) capable of communicating over a full-duplex persistent-connection link provided by a full-duplex network (105) and a second communication unit (151, 152... | 12/25/2007 |
| 7305079 | Method and apparatus for communicating with one of plural devices associated with a single telephone number A system for (and a method of) selectively establishing communication with one of plural devices associated with a single telephone number is provided. In a preferred embodiment, the system includes a wireless connect unit connected between an enterprise private bra... | 12/04/2007 |
| 7283489 | Multimedia half-duplex sessions with individual floor controls A method of managing a multimedia call session conducted over a communications network (10) is includes: receiving a request to set-up the multimedia session over the communications network (10), including a plurality of media types; and, establishing ... | 10/16/2007 |
| 7280544 | Transmission convergence sublayer circuit and operating method for asynchronous receiver Transmission convergence sublayer circuit is coupled between a buffer and a deframer. The deframer submits a data stream enable signal and data bytes to the circuit. The data stream enable signal enables the circuit so that multiple groups of byte data belonging to ... | 10/09/2007 |
| 7280807 | Initiator device capable of two-way half-duplex communication with multiple recipient devices An initiator transceiver for operating in a two-way half-duplex communication mode with multiple recipient transceivers. The transceivers includes a body having a cavity and a control device, positioned within the cavity, for receiving a recipient identification cod... | 10/09/2007 |
| 7277404 | System and method for sensing wireless LAN activity A wireless network sensor includes a system data store capable of storing a variety of data associated with a wireless computer network and communication(s) transmitted thereon, a communication interface supporting at least reception of wireless communication(s) ove... | 10/02/2007 |
| 7269400 | Wireless peripheral interface with universal serial bus port A wireless peripheral interface is used for coupling with a Universal Serial Bus (USB) port for connecting a wireless peripheral with a host computer or controller. Wireless peripheral devices (e.g., keyboard, mouse, trackball, touch pad, joysticks, and game control... | 09/11/2007 |
| 7259417 | Direct digitally tunable microwave oscillators and filters A tunable element in the microwave frequency range is described that may include one or more tunable elements that are directly digitally controlled by a digital bus connecting a digital control circuit to each controlled element. In particular, each digital signal ... | 08/21/2007 |
| 7259630 | Elimination of peak clipping and improved efficiency for RF power amplifiers with a predistorter A predistorer configured for use with an RF power amplifier having an input loop configured to be coupled to the input of the RF power amplifier and peak control circuit. Such an input loop includes a look-up table containing predistortion values to be applied to an... | 08/21/2007 |
| 7257122 | Data service in a mobile communications network A server of a telecommunications systems including first mechanisms for connecting to a mobile communications system which in turn connects to terminals on a radio connection, and second mechanisms for connecting to another telecommunications systems of the Internet... | 08/14/2007 |
| 7251228 | Method for cell switching in wireless communication systems A method for switching cells by a mobile equipment of a communication system. The mobile transmits a signal coded with a spreading code indicating the mobile's intent to switch cells and the coded information also identifies to which cell the mobile wants to switch.... | 07/31/2007 |
| 7248567 | Method and system for integrating resource allocation between time division duplex and frequency division duplex in wireless communication systems The present invention integrates resource allocation between time division duplex (TDD) and frequency division duplex (FDD) in wireless communication systems. A radio network controller (RNC) receives a radio access bearer (RAB) request from a core network or a wire... | 07/24/2007 |
| 7242907 | System and method for inband signaling for sector synchronization in a wireless communication system The present invention relates to communication systems and methods and more particularly to a system and method for optimizing the bandwidth of a point to multipoint wireless system by synchronizing transmit and receive modes of various hubs and sectors. The inventi... | 07/10/2007 |
| 7236792 | Mobile communication system In a mobile communication system, a mobile switching center 27 changes a transmission rate of communication data transmitted from a mobile station 16 and so on to a database 11 or a transmission rate of communication data transmitted from the da... | 06/26/2007 |
| 7227839 | Resource allocation in packet-format communication The invention relates to arranging the transmission of packets between a mobile communication device and a mobile communication network. At least one temporary block flow is set up, and data is transmitted in packets in packet data traffic channels in a first direct... | 06/05/2007 |
