Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7826489 | Method and apparatus for improved estimation of selective channels in an OFDMA system with dedicated pilot tones The present disclosure provides a method and apparatus of channel estimation for a wireless communication system. Dedicated pilot symbols transmitted over at least one time-frequency region for at least one user are received. Channel parameters are estimated for the... | 11/02/2010 |
| 7733917 | Apparatus and method for transmitting control information in a mobile communication system An apparatus and method for transmitting/receiving control information using a pilot pattern inserted in a plot field of a dedicated physical channel in a mobile communication system including a transmitter for transmitting data and a receiver for receiving the data... | 06/08/2010 |
| 7664143 | Communications system using adaptive baseband injected pilot carrier symbols and related method A system, method and apparatus includes a transmitter that has an encoder and baseband modulator that encodes and modulates a sequence of payload data symbols as a signal constellation to be communicated. An amble generator and baseband modulator generates amble sym... | 02/16/2010 |
| 7327714 | Apparatus and method for detecting a time division multiplexing frame in a mobile communication system An apparatus and a method are provided for improving reception reliability for control channels by detecting time division multiple (TDM) frames transmitted through the control channels in a TDM mobile communication system. The apparatus and method include receiving... | 02/05/2008 |
| 7313174 | Method for extracting a variable reference pattern A method is provided for extracting a sequence of pilot symbols enabling to estimate the transfer function of a transmission channel. At least a radiocommunication device communicates through the channel with a remote station, the latter regularly delivering to the ... | 12/25/2007 |
| 7298773 | Apparatus and method for reporting service load to mobile station in mobile telecommunication system There is provided a method and apparatus for selecting an appropriate base station and an optimal data rate to provide a voice service and a data service based on a voice service load in a CDMA system. A base station transmits two pilot signals orthogonally spread w... | 11/20/2007 |
| 7298776 | Acquisition of a gated pilot signal with coherent and noncoherent integration Systems and techniques are disclosed wherein a gated pilot signal can be acquired by producing a plurality of product values for each of a first and second signal and a generated signal, coherently combining portions of the product values produced from the first sig... | 11/20/2007 |
| 7283510 | Wireless receiver estimating power of interference By providing a interference power estimation unit obtaining the power of interference in a common pilot signal with ten symbols in one slot and outputting the power of interference as the estimate of the amount of interference in the data signal's pilot signal and a... | 10/16/2007 |
| 7242722 | Method and apparatus for transmission and reception within an OFDM communication system In an OFDM system the same Walsh code is used at the same time for a plurality of transmitters. The multiple transmitters can be from the same, or different devices (e.g., different base stations on the downlink, different terminals on the uplink). Each subcarrier/a... | 07/10/2007 |
| 7236502 | Internal signaling method to support clock synchronization of nodes connected via a wireless local area network This invention discloses a set of internal signaling (i.e., management primitives) to support a clock-synchronization protocol for wirelessly synchronizing clock registers of wired or wireless nodes via a wireless local area network (i.e., 802.11 network). The clock... | 06/26/2007 |
| 7228073 | Optical signal transmission device An optical signal transmission device for transmitting phase information of optical signals is provided. The device includes a multiplexing formatted optical signal generator arranged to generate multiplexing formatted optical signals. The device also includes an op... | 06/05/2007 |
| 7149207 | Data multiplexing method and data multiplexer, and data transmitting method and data transmitter An effective data multiplexing method wherein an error correction ability is exerted at the maximum so that data transmission quality is improved and a data transmitting method in which an interleaving process applicable to data transmission using interpolation pilo... | 12/12/2006 |
| 7142529 | Data multiplexing method and data multiplexer, and data transmitting method and data transmitter An effective data multiplexing method wherein an error correction ability is exerted at the maximum so that data transmission quality is improved and a data transmitting method in which an interleaving process applicable to data transmission using interpolation pilo... | 11/28/2006 |
| 7139261 | Data multiplexing method and data multiplexer, and data transmitting method and data transmitter An effective data multiplexing method wherein an error correction ability is exerted at the maximum so that data transmission quality is improved and a data transmitting method in which an interleaving process applicable to data transmission using interpolation pilo... | 11/21/2006 |
| 7130285 | Method for providing concurrent service handoff in a mobile communication system A method for performing a handoff of a mobile station (MS) from a first base station (BS) to a second BS in a mobile communication system. The first BS sends a handoff required message, which includes a service type identifier of a concurrent service of the voice an... | 10/31/2006 |
| 7113496 | Apparatus and method for assigning a common packet channel in a CDMA communication system Disclosed is a method for indicating an end of transmitting data frames in order to enable a UTRAN (UMTS (Universal Mobile Telecommunications System) Terrestrial Radio Access Network) to assign a common packet channel to another user equipment (UE) in a UE for a CDM... | 09/26/2006 |
| 7106783 | Method and apparatus for searching multipaths of mobile communication system The present invention discloses a method for searching multipaths of a mobile communication system, which includes the steps of: performing a coherent detection on a reversed I and Q channel signals of a DPCCH transmitted form a mobile station, multiplying the detec... | 09/12/2006 |
| 7096017 | Method and system for synchronization of communication between a mobile subscriber and a base station A method and system for synchronizing scan opportunities in a mobile communications system. Time slots are sent between a mobile subscriber and an associated base station wherein the mobile subscriber corresponds to a scan group. The number of time slots sent betwee... | 08/22/2006 |
| 7075695 | Method and apparatus for controlling a bias voltage of a Mach-Zehnder modulator A method and apparatus for controlling a bias voltage of a Mach-Zehnder modulator (MZM) use a digital pilot signal and a digital correlation technique to produce a feedback signal for adjusting the bias voltage to the quadrature bias point. Embodiments of the invent... | 07/11/2006 |
| 7072381 | Path search method, channel estimation method and communication device A communication device includes at least one of path search means for detecting respective timings of path components included a signal received via a multipath propagation path using pilot symbols of a known phase included in said received signal and channel estima... | 07/04/2006 |
| 7065055 | Zero delay interference cancellation Method and apparatus for minimizing the processing delay incurred by an IC receiver over conventional receivers in a CDMA cellular system are disclosed. The method and apparatus involve operating the conventional receiver and the IC receiver in parallel to each othe... | 06/20/2006 |
| 7054381 | Apparatus for TFCI mapping in wireless communication mobile station and method thereof In an apparatus for a TFCI mapping in a wireless communication mobile station, and a method thereof, the apparatus includes an encoding unit for encoding a TFCI transmitted from a main control unit as a CPU; a TFCI mapping unit for generating necessary control param... | 05/30/2006 |
| 7050405 | Method and system for a data transmission in a communication system Novel data transmission method and apparatus in a communication system require novel method and apparatus for power control and rate of data determination, which are disclosed. ... | 05/23/2006 |
| 7006468 | Page monitoring method and apparatus A wireless communication system is provided that includes a plurality of origination stations and at least one terminal. The plurality of origination stations each communicate a signal comprising a regular page message over respective regular paging channels and a q... | 02/28/2006 |
| 6996160 | Channel gain estimation in a rake receiver using complex weight generation (CWG) algorithms A channel estimation method which reduces the strain on resources of a Rake receiver using a complex weight gain (CWG) algorithm. In one embodiment, a non-adaptive algorithm is used to average blocks of pilot symbols from several slots. In another embodiment, an ada... | 02/07/2006 |
| 6993003 | Method of finding the power parts of the code of a CDMA signals A method of determining the power parts of the codes of a CDMA signal transmitted in different time slots, which includes a pilot channel and at least one dedicated physical channel. The pilot channel and the dedicated physical channels are assigned different orthog... | 01/31/2006 |
| 6993001 | Modular base station with variable communication capacity The present invention provides a base station architecture that is modular in configuration, lowering the initial cost of implementing a new CDMA telecommunication system for a defined geographical region while allowing for future capacity. The scalable architecture... | 01/31/2006 |
| 6985469 | Adaptive channel estimation in a wireless communication system A method and circuit for adaptively estimating channel conditions of a pilot channel in a wireless communication system. The method includes estimating channel statistics of the pilot channel, and adaptively filtering the pilot channel in response to the estimated c... | 01/10/2006 |
| 6965650 | Digital modulation type signal transmission apparatus and method of displaying received signal in the signal transmission apparatus A signal transmission apparatus for a digital modulation type, wherein each of information codes is assigned to any one of a plurality of signal points arranged on an I-Q complex plane, a pilot signal used for demodulating said information codes and an auxiliary sig... | 11/15/2005 |
| 6956842 | Multiplexing method and multiplexing device, and data signal transmission method and data signal transmission device An effective data multiplexing method wherein an error correction ability is exerted at the maximum so that data transmission quality is improved and a data transmitting method in which an interleaving process applicable to data transmission using interpolation pilo... | 10/18/2005 |
| 6952417 | System and method for selectively providing data communications in an XDSL communication system A system and method selectively establishes data communications, such as XDSL services, between data devices and a network switch. Status of the data devices are monitored and active data devices are connected to a data branch for data communications. Data devices w... | 10/04/2005 |
| 6937640 | Apparatus and method for reporting service load to mobile station in mobile telecommunication system There is provided a method and apparatus for selecting an appropriate base station and an optimal data rate to provide a voice service and a data service based on a voice service load in a CDMA system. A base station transmits two pilot signals orthogonally spread w... | 08/30/2005 |
| 6909761 | Digital communication system having improved pilot encoding A time division multiple access communication system is provided having multiple sub-channels according to known quadrature amplitude modulation techniques. Each sub-channel has a pre-determined time duration and is divided by a pre-determined number of symbol posit... | 06/21/2005 |
| 6904013 | Error handling within power amplifier modules in wireless base-station CDMA base-station comprising a transmit stage (2, 4, 7, 9, 10, 11, 12) and a receive stage (3, 5, 8, 13) for communicating with mobile terminals has been provided. The transmit stage comprises a multi carrier power amplifier having at least two indepen... | 06/07/2005 |
| 6904079 | Access channel structure for wireless communication system A technique for efficient implementation of pilot signals on a reverse link in a wireless communication system. An access channel is defined for the reverse link such that within each frame, or epoch, a portion is dedicated to sending only pilot symbols. Another por... | 06/07/2005 |
| 6873829 | Apparatus and method for generating periodic beacon signals for use in CDMA base station An apparatus for generating a plurality of beacon signals for use in a code division multiple access (CDMA) base station includes: a level controller for controlling a level of each of a plurality of transmit intermediate frequency (TxIF) signals based on a level co... | 03/29/2005 |
| 6804264 | Pilot signals for synchronization and/or channel estimation Disclosed is a method of generating pilot sequences having double lengths of slots used for frame synchronization in an up or down link of a next generation mobile communication system which adopts W-CDMA mode. Disclosed is a method of generating pilot sequences hav... | 10/12/2004 |
| 6724778 | Method and apparatus for long code generation in synchronous, multi-chip rate systems A method and apparatus for long code generation in synchronous, multi-chip rate systems, wherein a first code sequence having a first bit rate, and a second code sequence having the first bit rate, the second code sequence being a time delay of the first code sequen... | 04/20/2004 |
| 6721300 | STTD encoding method and diversity transmitter STTD encoding is signal processing carried out when a base station performs diversity transmission in open-loop mode to a mobile station. The STTD encoding method according to the present invention applies reverse STTD encoding on a pilot signal that should not be s... | 04/13/2004 |
| 6658050 | Channel estimates in a CDMA system using power control bits A transceiver transmits signals with power control bits, the power control bits instructing the other transceiver to establish selected power levels for its return signal. In one form, a processor is adapted to determine channel coefficients for the pilot... | 12/02/2003 |
