Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7075948 | Frequency offset estimator Counter-clockwise and clockwise quadrant transitions are detected and accumulated with respect to a received complex signal over a certain time period. These transitions may then be compared in order to obtain information indicative of both a magnitude and phase of ... | 07/11/2006 |
| 7075974 | Multi-path detection circuit and method for a CDMA receiver In a multi-path detection circuit for use in a CDMA communication system, a first peak is detected by searching a maximum value over a whole of data blocks composed of delay profile data. A second and the following peaks are detected by carrying out maximum value se... | 07/11/2006 |
| 7072635 | Method for combining data from phase indeterminate data streams for raking A received wireless signal contains a plurality of path components, each having a phase indeterminate data stream derived from an original data stream. The receiver splits the received signal into N signal copies for N raking channels, which correlate each of the N ... | 07/04/2006 |
| 7072618 | Adaptive threshold selection system and method for detection of a signal in the presence of interference A system and method for providing adaptive threshold selection for detecting a signal in the presence of interference or noise. The system and method thus enables a node, such as a mobile user terminal, in an ad-hoc communications network to reduce the number of fal... | 07/04/2006 |
| 7072428 | Method and apparatus for synchronization The present invention provides a method and a device in which two or more fingers of a RAKE receiver can locked to a multipath received signal in a situation of a fat finger impulse response. One embodiment of the present invention assigns two RAKE fingers to an imp... | 07/04/2006 |
| 7072384 | Fixed pattern detection apparatus and fixed pattern detection method In a fixed pattern detection apparatus, a reception memory temporarily stores received signals. A correlator calculates signature pattern correlation values for respective blocks by product-sum operation based on received signals of the respective blocks obtained by... | 07/04/2006 |
| 7072383 | Path search method of spread spectrum communication system and receiver using the method A receiver of a spread spectrum communication system comprises a plurality of despreading circuits, a rake circuit, and a path searcher. The plurality of despreading circuits despreads received signals having multipath components at predetermined timing allocated th... | 07/04/2006 |
| 7068725 | Bit detection threshold in a TDMA burst communication system A method is disclosed for optimally adjusting the received bit detection threshold in a digital communication system, such as a TDMA system that is characterized by very short duration burst transmissions. In one embodiment of the invention, a half-duplex radio mode... | 06/27/2006 |
| 7068708 | Method and receiving unit for demodulating a multi-path signal A method (400) and a receiving unit (220) for demodulating a multi-path signal are described herein. The receiving unit (220) may be configured to receive the multi-path signal. The receiving unit (220) may include an input buffer control... | 06/27/2006 |
| 7068593 | Apparatus and method for synchronizing frequency in orthogonal frequency division multiplexing communication system A frequency synchronization apparatus for an orthogonal frequency division multiplexing (OFDM) communication system includes a radio frequency (RF) receiving module for receiving OFDM signal, an analog/digital (A/D) converter connected to the RF receiving module, th... | 06/27/2006 |
| 7068629 | Method and radio communication system for synchronizing subscriber stations A method and radio communication system for synchronizing subscriber stations, wherein a time slot is assigned to a number of base stations for transmitting at least one synchronization sequence and adjacent base stations use a different time offset with respect to ... | 06/27/2006 |
| 7065629 | Address translation logic for use in a GPS receiver The address translation logic of the present invention is incorporated in a global positioning system (GPS) receiver and operates to group data in memory based on translating the address from a direct memory access controller. The data includes post-correlated sampl... | 06/20/2006 |
| 7065377 | Method and apparatus for controlling transmission power of control information in a mobile communication system A base station apparatus for controlling power of individual control information transmitted to mobile stations. A first mobile station receives its own control information, and a second mobile station receives its own control information and control information for... | 06/20/2006 |
| 7065129 | Acquisition of a gated pilot by avoiding partial correlation peaks Systems and techniques are disclosed wherein a gated pilot signal can be acquired faster by checking the neighbor pilot signals of the target pilot signal. A subscriber station may frequency lock onto a wrong pilot burst because a partial correlation exists between ... | 06/20/2006 |
| 7065131 | Processor and method for weight detection in a closed loop diversity mode WCDMA system A receiver and method for weight detection use received channel estimations and prior feedback information sent to a transmitter to estimate channel weights. The estimated channel weights may have been used by a base station to transmit diversity mode signals. In on... | 06/20/2006 |
| 7062290 | Method for generating and transmitting optimal cell ID code A method for generating and transmitting a cell ID code for cell recognition is disclosed. The first 16-bit cell ID codes for 2-bit FBI field are generated from 16-bit Hadamard codes, and the first and ninth bits of the Hadamard codes are punctured, to thereby gener... | 06/13/2006 |
| 7062002 | Method for synchronizing a base station with a mobile station, a base station and a mobile station Method for forming and determining a signal sequence, a synchronization method, a transmitting unit and a receiving unit, including the formation of signal sequences that are based on partial signal sequences, the second partial signal sequence being repeated and mo... | 06/13/2006 |
| 7061968 | Mobile terminal, a base station, and a synchronization control method In a mobile communication system, the tracking of synchronization is conducted in a stable state even in a multipath environment. A delay profile detector calculates a delay profile a(n) using a despread signal for each processing unit n. A delay profile averaging u... | 06/13/2006 |
| 7061966 | Frame synchronization and scrambling code indentification in wireless communications systems and methods therefor A mobile wireless communications device and methods therefore, including receiving a signal (710), storing a portion of the received signal (730), identifying all possible pilot signals by determining slot boundary information for the stored signal por... | 06/13/2006 |
| 7061972 | GPS receiver having dynamic correlator allocation between a memory-enhanced channel for acquisition and standard channels for tracking A GPS receiver having channel clusters each having a memory-enhanced channel and several standard tracking channels. The memory-enhanced channel includes a signal memory for accumulating carrier frequency leveled signal samples over several epochs into supersamples ... | 06/13/2006 |
| 7058148 | Method for selecting modulation detection in receiver, and receiver A method for selecting a modulation detector in a receiver and a receiver which includes a first and a second modulation detector, mechanisms for determining at least one cross-correlation value between the stored training sequence and at least one training sequence... | 06/06/2006 |
| 7058118 | Demodulator A demodulator having an improved reliability of the decoding of a TMCC signal is used for digital broadcasting receivers for receiving digital broadcasting by layered transmission system. A pseudo-pattern generator (8) generates fixed pseudo-data which involv... | 06/06/2006 |
| 7057554 | Bootstrapping tandem GPS navigation receivers A bootstrapping tandem navigation receiver system includes two independent navigation receivers. A first uses coherent detection and makes carrier-phase pseudorange measurements. A second uses non-coherent detection and a longer predetection interval and thus can ac... | 06/06/2006 |
| 7054397 | Mobile communication system having mobile stations and a base station A mobile communication system has a plurality of mobile stations and a base station which includes a plurality of antennas, a frequency shift portion, a combining portion, a receiving portion and a signal processing portion. The antenna receives radio waves transmit... | 05/30/2006 |
| 7054350 | Method and system for acquiring pseudo-noise (PN) decade-code phase A method and system for synchronizing the PN phase of a pseudo-noise (PN) coded signal with a phase of a master PN decade-code is provided. The method includes the steps of associating the master PN decade-code initialization t0 with a first time zone ref... | 05/30/2006 |
| 7054299 | Method and apparatus of pilot signal synchronization verifier Briefly, in accordance with one embodiment of the invention, a verifier and a method for verifying synchronization of at least one pilot signal pattern of a wireless communication system are disclosed. A method and a module of frequency acquisition are also disclose... | 05/30/2006 |
| 7051058 | Method and device for filtering a signal A method and a device are described for filtering a variable. A first filtering arrangement is used for forming an output variable as a function of an input variable, the first filtering arrangement having at least a delaying effect. The input variable of the first ... | 05/23/2006 |
| 7050839 | Mobile communication terminal including automatic frequency control function A cell search is continuously performed with respect to an active base station and peripheral base station which are objects, when a path from the active base station cannot be detected as a result of path search in a wake-up period in a standby state. Subsequently,... | 05/23/2006 |
| 7050485 | Iterative CDMA phase and frequency acquisition A system and method is provided that searches for the frequency and phase of a CDMA transmission in an iterative manner. With its automatic frequency control (AFC) disabled, the receiving system performs a coarse search for the transmitter's CDMA phase at a nominal ... | 05/23/2006 |
| 7050466 | Apparatus and method for acquiring multi-user signal synchronization in code division multiple access system An apparatus and method for acquiring multi-user signal synchronization in a CDMA system is disclosed. In a preferred embodiment, pilot signals are generated using different PN seeds and the generated pilot signals are aligned to thus be transmitted within a predete... | 05/23/2006 |
| 7049954 | Data transmission system A data transmission system for short but frequent data pulses comprises a transmitter (10) and a receiver (12). The transmitter comprises a pseudo-random signal generator (16) which governs the time delay between successive timing points and a l... | 05/23/2006 |
| 7050519 | Device for detecting timing synchronization, method thereof, and communication device using the same A device for detecting a timing synchronization, a method, and a communication device. The device includes a unit for outputting a timing synchronization discriminating signal, which corresponds to a difference between samples that are ahead and behind of the input ... | 05/23/2006 |
| 7046720 | System and method for DC offset compensation in a WCDMA receiver A system and method for DC offset compensation wherein a received first signal is despread using a first spreading code to generate a second signal. The second signal along with a first set of pilot symbols is used to estimate a radio channel. The first signal is al... | 05/16/2006 |
| 7046698 | Communicating apparatus and communicating method A communicating apparatus performs an asynchronous communication with a base station. The communicating apparatus is provided with: a receiving device for receiving a down link signal, which is transmitted from the base station and in which a division signal is inse... | 05/16/2006 |
| 7046682 | Network-enabled, extensible metering system To allow meter data users to have access to needed information and at the same time address the rapidly shifting requirements of the deregulated marketplace, a new business model, apparatus and system are provided. A common metering device measures raw data and a sy... | 05/16/2006 |
| 7042930 | Spread spectrum bit boundary correlation search acquisition system A multiple integration hypothesis C/A code acquisition system resolves bit boundaries using parallel correlators providing magnitude hypotheses during acquisition to reduce losses over the 20 ms integration period to improve the performance and sensitivity of C/A co... | 05/09/2006 |
| 7042351 | Data communication over a power line Data signals are communicated between a power line and a computer, wherein the power line provides power to the computer via a distribution transformer and the computer is in communication with a wireless communication path. A first data signal is communicated with ... | 05/09/2006 |
| 7039100 | Detection of correlation between detected transmissions from multiple base stations and a known code in a mobile telecommunications system A mobile station in a spread spectrum communications system includes a matched filter that can be divided into segments. On initial acquisition, when a frequency deviation between the expected receiving frequency of the mobile station and the transmitting frequency ... | 05/02/2006 |
| 7039098 | Method and apparatus for base station and mobile station time calibration A method and apparatus for calibrating a Base Station and Mobile Station for use in systems that use round trip delay and systems that do not use round trip delay. ... | 05/02/2006 |
| 7035316 | Method and apparatus for adaptive linear equalization for Walsh covered modulation A receive filter receives signals from a communication channel. The received signals correspond to original Walsh covered chip sequences transmitted by a transmit filter through the communication channel to the receive filter. The received signals are processed by a... | 04/25/2006 |
