| Patent Number |
Title Of Patent |
Date Issued |
| RE37802 |
Multicode direct sequence spread spectrum |
July 23, 2002 |
| In this patent, we present MultiCode Direct Sequence Spread Spectrum (MC-DSSS) which is a modulation scheme that assigns up to N DSSS codes to an individual user where N is the number of chips per DSSS code. When viewed as DSSS, MC-DSSS requires up to N correlators (or equivalently up |
| 7606907 |
Internet/intranet access mechanism |
October 20, 2009 |
| A method connects one of several customer premises equipment (CPE) via an ATM network to one of several service providers (SP). Each CPE is connected to the ATM network via a corresponding network termination point (NT). There is an access server function (ASF), having a permanent vi |
| 7583705 |
Synchronizing clocks across a communication link |
September 1, 2009 |
| One or more clocks are synchronized across a communication link using a synchronization signal sent from a master to a slave clock. The synchronization signal may be an expected signal pattern sent at intervals expected by the slave. The slave clock may correlate received signals wit |
| 7555054 |
Methods and systems for transmission of multiple modulated signals over wireless networks |
June 30, 2009 |
| Receiver network for receiving a first filtered modulated transmitted signal in a first RF band and a second modulated transmitted signal in a second RF band and for providing received signals to one or more demodulators. A demodulator and baseband filter for demodulating and filteri |
| 7554957 |
Wireless local area network |
June 30, 2009 |
| The present invention relates to a wireless local area network comprising: a base transceiver station comprising means for transmitting signals over a wireless connection to one or more terminals connected to the local area network, and means for receiving signals over a wireless connect |
| 7529204 |
Adaptive call admission control for use in a wireless communication system |
May 5, 2009 |
| The invention relates to communication systems and to systems and methods for implementing adaptive call admission control (CAC) in such systems. Adaptive call admission control can determine what CPE to base station calls (connections) are allowed at any given time. CAC, coupled with |
| 7529193 |
Method and apparatus for bandwidth request/grant protocols in a wireless communication system |
May 5, 2009 |
| A method and apparatus for allocating bandwidth in a broadband wireless communication system is disclosed. One embodiment uses a self-correcting bandwidth request/grant protocol. The self-correcting bandwidth request/grant protocol utilizes a combination of incremental and aggregate |
| 7519023 |
Frame structure for an adaptive modulation wireless communication system |
April 14, 2009 |
| The present invention is a method of simplifying the encoding of a predetermined number of bits of data into frames. The method adds error coding bits so that a ratio of the frame length times the baud rate of the frame times the bit packing ratio of the data divided the total bits o |
| 7471772 |
Arrangement for line-testing |
December 30, 2008 |
| This invention generally relates to the arrangements for testing subscriber loops. The invention is based on a solution wherein a test head is behind the high-pass filter of the splitter. In order that this solution is possible, the splitter, i.e. the splitter box has to contain a re |
| 7457385 |
Antenna systems, receivers and demodulators for cross-correlated and other signals |
November 25, 2008 |
| Two or more antennas for receiving first and second modulated signals and for providing signals to one or more demodulators for demodulating the first modulated signal and providing cross-correlated demodulated in-phase and quadrature-phase baseband signals and demodulating the secon |
| 7450628 |
Processor, modulators and transceivers for spread spectrum, CDMA, CSMA, OFDM, TDM, TDMA cross co |
November 11, 2008 |
| Processors for processing, modulating, transmitting and receiving spread spectrum, CDMA, CSMA, OFDM, TDM, TDMA, filtered and cross-correlated signals. A first processor and filter for processing and filtering spread spectrum signals and a second processor for processing and filtering Tim |
| 7432806 |
Spatial position determination system |
October 7, 2008 |
| A system is disclosed that determines a spatial position of a tracker device relative to an object sending a return signal to the tracker. Such a system advantageously maintains phase accuracy between a forward signal from the tracker device and the return signal from the object. The sys |
| 7426248 |
Receivers and demodulators for TDMA and other modulated systems |
September 16, 2008 |
| Receiver network for receiving a first filtered modulated transmitted signal in a first RF band and a second modulated transmitted signal in a second RF band and for providing received signals to one or more demodulators. A demodulator and baseband filter for demodulating and filteri |
| 7418028 |
Agile RF band OFDM spread spectrum and cross-correlated systems |
August 26, 2008 |
| Agile Radio Frequency (RF) band selectable systems and circuits process and provide selection of baseband filtered Orthogonal Frequency Division Multiplexed (OFDM) modulated signals, of spread spectrum (SS) modulated signals and of baseband in-phase (I) and quadrature-phase (Q) shaped an |
| 7379441 |
Framing for an adaptive modulation communication system |
May 27, 2008 |
| A system and method for mapping a combined frequency division duplexing (FDD) Time Division Multiplexing (TDM)/Time Division Multiple Access (TDMA) downlink subframe for use with half-duplex and full-duplex terminals in a communication system. Embodiments of the downlink subframe var |
| 7327736 |
Changing of channel capabilities |
February 5, 2008 |
| In a telecommunications system, in which a connection comprises a part with an interworking function at both ends, a channel is allocated to the connection between the interworking functions. The required channel capabilities may vary during the connection, whereby the channel capabi |
| 7317704 |
Method of assigning radio channels in wireless network |
January 8, 2008 |
| The present invention relates to a method of assigning radio channels to a set of base stations in a wireless network, in which method one radio channel out of a determined set of radio channels is assigned to each base station. In order for different networks not to interfere with each |
| 7289467 |
Adaptive call control for use in a wireless communication system |
October 30, 2007 |
| The invention relates to communication systems and to systems and methods for implementing adaptive call control in such systems. Adaptive call control can determine what CPE to base station calls (connections) are allowed at any given time. Call control, coupled with precedence, can |
| 7227928 |
Arrangement for line-testing |
June 5, 2007 |
| This invention generally relates to the arrangements for testing subscriber loops. The invention is based on a solution wherein a test head is behind the high-pass filter of the splitter. In order that this solution is possible, the splitter, i.e. the splitter box has to contain a re |
| 7197022 |
Framing for an adaptive modulation communication system |
March 27, 2007 |
| A system and method for mapping a combined frequency division duplexing (FDD) Time Division Multiplexing (TDM)/Time Division Multiple Access (TDMA) downlink subframe for use with half-duplex and full-duplex terminals in a communication system. Embodiments of the downlink subframe var |
| 7177598 |
Method and system for reducing channel interference in a frame-synchronized wireless communicati |
February 13, 2007 |
| Base stations having potentially interfering terminal stations that are geographically located on the same or similar diagonal or Line of Sight (relative to the base station) operate on a first set of time frames (e.g., "even" time frames). Similarly, base stations having potentially |
| 7023798 |
Adaptive call admission control for use in a wireless communication system |
April 4, 2006 |
| The invention relates to communication systems and to systems and methods for implementing adaptive call admission control (CAC) in such systems. Adaptive call admission control can determine what CPE to base station calls (connections) are allowed at any given time. CAC, coupled with |
| 7006530 |
Method and system for adaptively obtaining bandwidth allocation requests |
February 28, 2006 |
| A method and apparatus for adaptively obtaining bandwidth requests in a broadband wireless communication system. The method and apparatus includes dynamically varying technique combinations enabling a plurality of users to efficiently request bandwidth from a shared base station. A u |
| 6956834 |
Method and apparatus for allocating bandwidth in a wireless communication system |
October 18, 2005 |
| A method and apparatus for requesting and allocating bandwidth in a broadband wireless communication system. The inventive method and apparatus includes a combination of techniques that allow a plurality of CPEs to communicate their bandwidth request messages to respective base stati |
| 6944188 |
Synchronizing clocks across a communication link |
September 13, 2005 |
| Apparatus, system and method for synchronizing one or more clocks across a communication link. A slave clock may be synchronized to a master clock by means of a synchronization signal sent from the master to the slave clock side of the link. The synchronization signal may be an expected |
| 6925068 |
Method and apparatus for allocating bandwidth in a wireless communication system |
August 2, 2005 |
| An adaptive time division duplexing (ATDD) method and apparatus for duplexing transmissions on a communication link in wireless communication systems. Communication link efficiency is enhanced by dynamically adapting to the uplink and downlink bandwidth requirements of the communication |
| 6804211 |
Frame structure for an adaptive modulation wireless communication system |
October 12, 2004 |
| A method of assigning downlink time slots to receive units where the units may generate data using different modulation schemes. The method preferably assigns the downlink time slots as a function of the complexity of modulation schemes employed by the units. Further, the method pref |
| 6728514 |
Scalable wireless network topology systems and methods |
April 27, 2004 |
| Wireless broadband data access is provided to and from a plurality of locations distributed randomly over a large geographic area. The network can be deployed one node at a time, with a new node incorporated into the network if within radio frequency range of any existing node in the |
| 6320897 |
Multicode spread spectrum communications system |
November 20, 2001 |
| MultiCode Spread Spectrum (MCSS) is a modulation scheme that assigns a number N of Spread Spectrum (SS) codes to an individual user where the number of chips per SS code is M. When viewed as Direct Sequence Spread Spectrum, MCSS requires up to N correlators (or equivalently up to N M |
| 6192068 |
Multicode spread spectrum communications system |
February 20, 2001 |
| MultiCode Spread Spectrum (MCSS) is a modulation scheme that assigns a number N of Spread Spectrum (SS) codes to an individual user where the number of chips per SS code is M. When viewed as Direct Sequence Spread Spectrum, MCSS requires up to N correlators (or equivalently up to N M |
