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Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8150345 | Simplified interference suppression in multi-antenna receivers A signal received via a plurality of antennas, and containing an interference component and a desired communication component, is processed to suppress the interference component. The interference component is suppressed based on an inverse of a spatial covariance m... | 04/03/2012 |
| 7702304 | Adaptive beam forming receiver The present invention provides a method and system for operating a wireless communication system in which received signals from a plurality of antennas are weighted and combined with a beam forming operation to form an output signal. In an embodiment of the present ... | 04/20/2010 |
| 7536158 | Impairment correlation estimation in a spread spectrum system A method and apparatus derives an impairment correlation matrix to process signals received at a wireless receiver over multiple paths of a multi-path channel. The receiver includes first and second impairment correlation estimators for estimating first and second i... | 05/19/2009 |
| 7436793 | System and method for effectively performing a transmit power adjustment procedure A system and method for effectively performing a transmit power adjustment procedure in a wireless network includes a forward receiver that monitors a wireless forward link for forward data that is transmitted over the wireless forward link by a forward transmitter.... | 10/14/2008 |
| 7430399 | Broadcast receiver receiving broadcasts utilizing variable directional antenna A broadcast receiver is connected to a variable directional antenna qualified as an antenna capable of modifying a reception direction of a broadcast wave. When arriving at a prestored timing, the broadcast receiver executes channel search utilizing the variable dir... | 09/30/2008 |
| 7421261 | Blind detection The present invention relates to a blind detection of a received signal having at least one property, which initially is unknown to the receiver, however, limited to a finite set of alternatives ({p1, p2, . . . , pm}). According to t... | 09/02/2008 |
| 7408902 | Method of using a radio network controller for controlling data bit rates to maintain the quality of radio links A wireless communication method and system for controlling the current data bit rate of a radio link (RL) to maintain the quality of the RL. The system includes a core network (CN), a radio network controller (RNC) and at least one wireless transmit/receive unit (WT... | 08/05/2008 |
| 7394783 | Device and methods for increasing wireless connection speeds Systems and methods may operate to increase the throughput of a wireless connection by passing a wireless signal from a communications subsystem to an application subsystem for physical layer processing of the wireless signal. Other embodiments include systems and m... | 07/01/2008 |
| 7392016 | Data transmission rate control A method includes monitoring a variable-rate data communication channel to determine its signal-to-noise ratio, and adjusting the data transmission rate of the variable rate data communication channel based on its signal-to-noise ratio. ... | 06/24/2008 |
| 7389092 | Circuitry for a receiving system with improved directivity and signal to noise ratio A receive system, including special integrated circuits, for providing enhanced directivity in the form of a narrowed receive beam and a relatively small antenna with performance comparable to a much larger antenna at similar frequencies. Received signals are conver... | 06/17/2008 |
| 7386277 | Communication system and method for increasing communication efficiency A mobile communication system capable of increasing communication efficiency and a method therefor are provided, including a receiver for grouping n MCS levels (where n>0) into continuous m MCS levels (where n>m>0) according to the quality of a data channel for tran... | 06/10/2008 |
| 7369823 | Reception apparatus A comparison circuit 13x compares signals from demodulator circuits 11a and 11b and thereby compares the reception condition of the antennas 1a and 1b. The tuner circuit corresponding to the anten... | 05/06/2008 |
| 7369832 | Receiving diversity apparatus and method of mobile station for high data rate type mobile communication system A receiving diversity apparatus and method for a mobile station in an HDR mobile communication system measures C/I values of pilot channels on respective antennas, measures a C/I value of in-phase combined pilot channel, and then selectively performs one of a select... | 05/06/2008 |
| 7366137 | Signal-to-noise estimation in wireless communication devices with receive diversity This disclosure is directed to techniques for estimating signal-to-noise ratio (SNR) of signals received by a wireless communication device. The techniques take advantage of spatial receive diversity in a wireless communication device to achieve accurate estimates o... | 04/29/2008 |
| 7366663 | Measuring a talking quality of a telephone link in a telecommunications network For measuring the influence of noise on the talking quality of a telephone link in a telecommunications network, a talker speech signal (s(t)) and a degraded speech signal (s′(t)) are fed to an objective measurement device for obtaining an output signal (q) repres... | 04/29/2008 |
| 7366263 | Radio communication terminal and radio signal receiving method When a radio communication terminal including an AGC receiver starts, a set gain of the AGC receiver is switched in a short updating period. At this time, the terminal switches among antennas, and calculates and stores a received power of a received radio signal thr... | 04/29/2008 |
| 7366143 | Diversity receiving radio base station with high reception sensitivity and high time slot utilization efficiency The present invention aims to provide a radio base station that has equivalently high reception sensitivity without increasing the number of antenna elements while keeping the utilization efficiency of time slots high. The radio base station comprises a radio unit | 04/29/2008 |
| 7359689 | Wireless receiving method A wireless receiving method includes calculating a transmission channel response from a reception signal and a reference signal, determining reliabilities of a plurality of transmission channel responses calculated using reception signals received at different time ... | 04/15/2008 |
| 7353002 | Measuring a talking quality of a communication link in a network Device and method for measuring a talking quality of a communication link in a communications network (10). The device comprises measurement means (22; 31, 36) connected to the communication link, which are arranged to subject a degraded speech signal ... | 04/01/2008 |
| 7343143 | Radio receiver with operation state setting unit There is provided a radio receiver which can set a proper receive state regardless of the existence of an adjacent station. If an adjacent station detection circuit detects an IBOC station having a carrier frequency adjacent to a receive frequency, a control unit tr... | 03/11/2008 |
| 7340257 | Maximum likelihood estimation of the channel coefficients and of the DC offset in a digital baseband signal of a radio receiver using the SAGE algorithm The proposed iterative method concurrently calculates maximum likelihood estimated values for the channel coefficients (h0, . . . , hL; θh) and the DC offset (d; θd) on the basis of a training sequence (TSC) in a TDMA mo... | 03/04/2008 |
| 7340267 | Uplink power control algorithm In a system having a base station transmitter for transmitting data blocks to one or more mobile stations over a radio link, there is a method for determining an uplink transmit power level at which to transmit a current data block over a radio link from the mobile ... | 03/04/2008 |
| 7333813 | Methods and devices for assigning mobile devices to base stations in the presence of interference Mobile devices are assigned to their correct base stations after taking into consideration interference from all other mobile devices. The resulting assignments are more efficient than previous assignments. In addition, transmit power levels are assigned after each ... | 02/19/2008 |
| 7330707 | Hetrodyne receiver and IC In a heterodyne receiver, the effect of an image interference signal that occurs in a case where a low intermediate frequency is used is alleviated. Circuits (12I), (12Q), (13I), (13Q), and (14) are provided to switch a heterodyne ... | 02/12/2008 |
| 7324794 | Phase combining diversity Embodiments of methods of receiving transmitted signals are disclosed. The methods include a first antenna receiving a second signal, a second antenna receiving a second signal, adjusting a phase relationship between the first signal and the second signal, combining... | 01/29/2008 |
| 7317760 | System and method for finger and path management in receivers System and method for managing finger and path resources. A preferred embodiment comprises receiving a delay profile, processing paths from the delay profile, placing the processed paths into a plurality of sets based on path criteria, and assigning the placed proce... | 01/08/2008 |
| 7317906 | AM radio receiver An AM radio receiver comprises an RF amplifier, a first mixer that converts the RF signal to a first intermediate-frequency signal, a first bandpass filter that band-limits the first intermediate-frequency signal, a second mixer that converts the output from the fir... | 01/08/2008 |
| 7310504 | IF frequency response characterization employing overlapping frequency bands A method and system characterizes an IF response of a receiver under test, such that an effect on the characterization by errors associated with uncertainties in knowledge of an RF stimulus signal used to perform the characterization is reduced. The method includes ... | 12/18/2007 |
| 7310503 | Diversity reception device and diversity reception method The circuit size of a diversity receiver for an orthogonal frequency division multiplexing signal is reduced, and the diversity effect is increased, by providing a power ratio comparator that calculates a difference value as a ratio of powers derived from channel es... | 12/18/2007 |
| 7295604 | Method for determining jitter of a signal in a serial link and high speed serial link The method for determining jitter of a signal in a serial link according to the invention comprising the following steps: First, a section of the signal transmitted via a transmission channel is sampled at different sampling times. The total number of edges in the s... | 11/13/2007 |
| 7292556 | CDMA radio device and simple path estimating method employed therefor A CDMA radio device is provided which is capable of reducing a hardware scale and providing more accurate path selection with low power consumptions. A down-sampling part outputs data of which sampling frequency is made lower than A/D sampling frequency. A correlato... | 11/06/2007 |
| 7277679 | Method and apparatus to provide multiple-mode spatial processing to a terminal unit Methods and apparatuses, including computer program products, for spatial processing in a remote terminal unit. One embodiment is a wireless remote terminal receiver in a wireless terminal unit for operation in a wireless communication system. The wireless remote te... | 10/02/2007 |
| 7277686 | Antenna and frequency diversity receiving apparatus An apparatus determines an optimal antenna and frequency combination by selecting the optimal antenna from among a plurality, N, of antennas associated with a receiver and also selects the optimal frequency from among a plurality, M, of alternative receiving frequen... | 10/02/2007 |
| 7277674 | Data monitoring system and method using a single time axis with time information provided by a GPS receiver A data monitoring system in communication network has the global position system (GPS) receiver, a packet data collecting device and a mobile station-packet data serving node monitoring system (MPMS). The GPS receiver provides time information which is received from... | 10/02/2007 |
| 7272372 | Diversity antenna apparatus and diversity antenna control method A diversity antenna apparatus has N (N is 3 or more integer) elements of antennas which receive radio signals, a priority storage unit configured to store priority data of the N elements of antennas, a first antenna selector which selects two antennas from among the... | 09/18/2007 |
| 7269397 | Method and apparatus for measuring communications link quality A method and apparatus for measuring communications link quality provides accurate on-chip estimation of the difficulty of achieving a particular bit error rate (BER) for a communications link. A low cost/complexity accumulator circuit connected to internal signals ... | 09/11/2007 |
| 7269396 | Method and device for suppressing multipath interference in a receiver for electromagnetic waves A method and a device for a receiver for electromagnetic waves having at least two antennas are described; using this method and this device it is possible to effectively suppress multipath interference, while a portion of the antenna signals may also be utilized fo... | 09/11/2007 |
| 7263143 | System and method for statistically directing automatic gain control The present invention is directed to a system and method which statistically determines when regularly occurring interference events of a predictable duration will occur, for example radar pulses and dynamically adjusts an automatic gain control (AGC) for RF data tr... | 08/28/2007 |
| 7260370 | Wireless communication system using a plurality of antenna elements with adaptive weighting and combining techniques The present invention provides a method and system for operating a wireless communication system in which received signals from a plurality of antennas are weighted and combined with a beam forming operation to form an output signal. The beam forming operation deter... | 08/21/2007 |
| 7254129 | Wireless phone and wireless communication method Disclosed are a wireless phone and a wireless communication method wherein communication quality estimation is made for both circuit switching and packet communication modes and sound of both the modes is interpolated mutually so as to improve the sound quality. The... | 08/07/2007 |
