Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8149879 | Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation A method of data transmission according to one embodiment of the invention includes encoding a set of data values to produce a corresponding series of ordered n-tuples. The method also includes transmitting, according to the series of ordered n-tuples, a plurality o... | 04/03/2012 |
| 8023531 | Spread code allocating method, despreading method, transmitting device, receiving device, communicating device, wireless base station device, and mobile terminal device When a two-dimensional spread code, with which spreading is made in time and frequency directions, is allocated to each channel, spread codes at least one of time and frequency directions of which are mutually orthogonal, and with which despreading can be made with ... | 09/20/2011 |
| 7899081 | Method and apparatus for transceiving data A method and apparatus for transceiving additional data using unallocated slots of a header of a frame used in a broadcast system are provided. A data transceiving apparatus includes a data transmitter for encoding, modulating, and transmitting a broadcast frame inc... | 03/01/2011 |
| 7885295 | Communication resource management The invention involves management of communication resources (40, 45) in a network (1) utilizing multi-node-adapted resources (40) for transmission of multi-node-associated information and single-node-adapted resources (45) for transmissi... | 02/08/2011 |
| 7876786 | Dynamic time-spectrum block allocation for cognitive radio networks Dynamic time-spectrum block allocation for cognitive radio networks is described. In one implementation, without need for a central controller, peer wireless nodes collaboratively sense local utilization of a communication spectrum and collaboratively share white sp... | 01/25/2011 |
| 7801181 | Digital broadcasting system and data processing method A digital broadcasting system and a method of processing data are disclosed, which are robust to error when mobile service data are transmitted. To this end, additional encoding is performed for the mobile service data, whereby it is possible to strongly cope with f... | 09/21/2010 |
| 7773635 | Method, network device and user station for allocating resources to frequency bands of radio communication system Resources of two frequency division duplex (FDD) frequency bands at a distance from each other are allocated for transmissions by a time division duplex (TDD) transmission method. The resources in the first FDD frequency band are allocated for FDD transmissions in t... | 08/10/2010 |
| 7724777 | Quasi-orthogonal multiplexing for a multi-carrier communication system For quasi-orthogonal multiplexing in an OFDMA system, multiple (M) sets of traffic channels are defined for each base station. The traffic channels in each set are orthogonal to one another and may be pseudo-random with respect to the traffic channels in each of the... | 05/25/2010 |
| 7499471 | Time division multiplexing frame for multiplexing different synchronous signals and method for transmitting and receiving the same A TDM (Time Division Multiplexing) frame applicable to digital broadcast data transmission in an FTTH (Fiber To The Home) system and a method for transmitting and receiving the TDM frame is disclosed. The TDM frame and methods are applicable to transmit a plurality ... | 03/03/2009 |
| 7460559 | Methods and sets of piconets using time frequency division multiple access A set of piconets and corresponding methods and computer programs may reduce contention time between piconets. In one embodiment, a seven-length code architecture may be used with group(s) of bands so that contention time cannot exceed 1/7 of the time. Up to seven d... | 12/02/2008 |
| 7443818 | Method, apparatus and system of multiple-input-multiple-output wireless communication Embodiments of the present invention provide a method, apparatus and system for selectively modulating a data frame of a signal using either a frequency-multiplexing modulation method or a spatial-multiplexing modulation method based on a predetermined criterion. | 10/28/2008 |
| 7430188 | Data transmission method and radio link system This invention relates to data transmission in a microwave link system particularly through point-to-multipoint connections. The arrangement according to the invention utilizes both frequency and time division duplex arrangement to simplify substation structures. In... | 09/30/2008 |
| 7426187 | False sync code protection (FSP) decoding by software This invention describes a false sync code protection (FSP) decoding technique by software for removing padding binary numbers from video data signals in electronic devices such as camera-phones. These padding binary numbers (e.g., a byte 101001012) are e... | 09/16/2008 |
| 7423984 | Digital subscriber line transmission method, apparatus and system A digital subscriber line transmission (xDSL), system includes a transmitting side which transmits training symbols by adding some data that is contained in a training symbol sequence onto at least one of the beginning and the end of this symbol sequence and then tr... | 09/09/2008 |
| 7420939 | Methods and apparatus of power control in wireless communication systems The present invention involves apparatus and methods to perform wireless terminal transmission power control. The invention uses novel and highly efficient methods to: convey power control information, specify power control level adjustments, recognize power control... | 09/02/2008 |
| 7415040 | Method for transmitting signals in mobile communication system A method for transmitting a signal of a medium access control sublayer in a mobile communication system which has mobile and base stations for providing a bearer service. A bearer service profile type is decided according to a bearer service combination type of the ... | 08/19/2008 |
| 7382746 | Transport channel selecting apparatus and the selecting method A transport channel selecting apparatus is provided, in which the transport channel selecting apparatus includes: a storage for storing information on combinations of transport blocks of transport channels to be transmitted to a radio base station; a transmission bu... | 06/03/2008 |
| 7379446 | Enhanced beacon signaling method and apparatus Methods and apparatus for using high power narrow signals, e.g., tones, for communicating transmitter information without putting the full transmission power available into the transmitted tone or tones are described. User data is transmitted in parallel with transm... | 05/27/2008 |
| 7372825 | Wireless communications system with cycling of unique cell bit sequences in station communications A wireless communication system (10). The system comprises transmitter circuitry (BST1) comprising circuitry for transmitting a plurality of frames to a receiver in a first cell (Cell 1). Each of the plurality of frames comprises a bit group ( | 05/13/2008 |
| 7366196 | Ranging arrangement and method for TDMA communications An out-of-band ranging technique is automatically initiated at a customer premises equipment unit when the equipment is installed, when power is restored after a power failure or interruption, upon verification of the equipment, upon reconnection after a disconnecti... | 04/29/2008 |
| 7366200 | Beacon signaling in a wireless system A few high power tones used for synchronization and/or other purposes are transmitted in a FDM system during a period of time into a region, e.g., sector of a cell, e.g., a symbol transmission time period. During normal data transmission symbol periods signals are t... | 04/29/2008 |
| 7359428 | VDSL transmission employing multi-code multi carrier CDMA modulation An improved transmission method for high-rate digital communication on unshielded twisted copper pairs for Very-High Speed Digital Subscriber Loop (VDSL) modems. The new modulation scheme is a Multi Code Multi Carrier Code Division Multiple Access, hereafter named M... | 04/15/2008 |
| 7360153 | Method and apparatus for importing digital switching system data into a spreadsheet program A method and apparatus for importing digital switching system data into a spreadsheet program. Via the switch data examiner of the present invention, raw data from a digital switch/switching system such as the 5ESS® is converted by the switch data examiner to a for... | 04/15/2008 |
| 7349438 | Formatter, method of formatting encoded symbols and wireless communication system employing the same The present invention is directed to a formatter, a method of formatting encoded symbols and a wireless communication system employing the same. In one embodiment, the formatter includes a symbol generator that provides a plurality of encoded symbols from a bit stre... | 03/25/2008 |
| 7349439 | Ultra-wideband communication systems and methods Systems and methods of ultra-wideband communication are provided. In one ultra-wideband communication method, a communication channel is divided into a plurality of non-overlapping sub-channels by dividing a single serial message intended for an ultra-wideband commu... | 03/25/2008 |
| 7346011 | Scheduling calls based on frame-offset selection A wireless communication network has radio resources for use to support calls over circuit switched (CS) and packet switched (PS) channels. The network uses such radio resources to first support CS calls and thereafter uses the leftover radio resources to support PS... | 03/18/2008 |
| 7340622 | Method and apparatus for selectively increasing the operating speed of an electronic circuit One embodiment of the present invention provides a system that facilitates selectively increasing the operating frequency of an electronic circuit, such as a computer system. The system begins by operating in a low-power state with the frequency and voltage of the e... | 03/04/2008 |
| 7336627 | Digital subscriber line transmission method, apparatus and system A digital subscriber line transmission (xDSL) system includes a transmitting side which transmits training symbols by adding some data that is contained in a training symbol sequence onto at least one of the beginning and the end of this symbol sequence and then tra... | 02/26/2008 |
| 7333503 | Sending permission assignment in telecommunications system A method for assigning sending permissions in a telecommunications system and a telecommunications system comprising a unit (20) providing access to said system for at least one telecommunication terminal (40) and a control unit (11) for schedul... | 02/19/2008 |
| 7321601 | Method and apparatus for data transfer using a time division multiple frequency scheme supplemented with polarity modulation A method of data transmission according to one embodiment of the invention includes encoding a set of data values to produce a corresponding series of ordered n-tuples. The method also includes transmitting, according to the series of ordered n-tuples, a plurality o... | 01/22/2008 |
| 7317761 | Multi-carrier communication system and receiver thereof The present invention is a multi-carrier communication system for transmitting/receiving signals via at least four sub-channels, comprising: a transmitter for transmitting data independently via the four sub-channels; a receiver comprising a receive unit disposed fo... | 01/08/2008 |
| 7317711 | Method of controlling reverse transmission in a mobile communication system A reverse transmission controlling method in a mobile communication system, after receiving forward information, commanding the increase or decrease of the reverse data rate received on a forward control channel from a base station, a mobile station determines wheth... | 01/08/2008 |
| 7301967 | Method and apparatus for processing custom time division multiplexed signals Method and apparatus for processing time division multiplexed (TDM) signals which may be custom in format. The TDM signal is translated to an intermediate frequency, or externally demodulated, input, and processed. Individual channels of either analog, digital or bo... | 11/27/2007 |
| 7292651 | Pilot-aided channel estimation for OFDM in wireless systems A method and apparatus for pilot-symbol aided channel estimation in a wireless digital communication system which transmits packets of N OFDM data blocks, each data block comprising a set of K orthogonal carrier frequencies. At the transmitter, pilot symbols are ins... | 11/06/2007 |
| 7286495 | Digital subscriber line transmission method, apparatus and system A digital subscriber line transmission (xDSL)-, system includes a transmitting side which transmits training symbols by adding some data that is contained in a training symbol sequence onto at least one of the beginning and the end of this symbol sequence and then t... | 10/23/2007 |
| 7283789 | Apparatus and method for transmitting wireless data using an adaptive frequency selection Disclosed is a method and device for locally transmitting digital wireless data through a searched channel with no interference. Firstly, data is transmitted and received through a setup channel. A channel having a different frequency from the setup channel is set a... | 10/16/2007 |
| 7280504 | OFDM transmitting and receiving apparatus An OFDM transmitting and receiving apparatus where the receiving unit receives an OFDM signal. A computing unit in the receiving unit computes a value of a channel response characteristic of each transmission channel corresponding to subcarriers contained in the rec... | 10/09/2007 |
| 7280829 | Method and system for improved beacon acquisition performance with time slot and antenna sector reuse A wireless multi-cell communication system, such as a time division duplex (TDD) system, includes at least one wireless transmit/receive unit (WTRU) and a plurality of base stations which broadcast beacon signals into a plurality of sectors of a cell of the system. ... | 10/09/2007 |
| 7274744 | Multicarrier communication system and reception device for same A reception device receives and demodulates, for each subchannel, data transmitted independently via three subchannels, which are a subchannel of interest and the two upper and lower adjacent subchannels which interfere with the subchannel of interest. A reception p... | 09/25/2007 |
| 7274935 | Method and base station controller for handover of simultaneous voice and data sessions A method and base station controller (BSC) in a GPRS/EDGE cellular radio telecommunication system for controlling a handover of a mobile station (MS) conducting both a circuit-switched call and a packet data session, and for rapidly reestablishing the packet data se... | 09/25/2007 |
