Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
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 |
| 8116350 | Ultrawideband asynchronous tracking system and method A passive tracking system is provided with a plurality of ultrawideband (UWB) receivers that is asynchronous with respect to a UWB transmitter. A geometry of the tracking system may utilize a plurality of clusters with each cluster comprising a plurality of antennas... | 02/14/2012 |
| 8116349 | Method of multiple access communication in a centralized network based on an ultra wideband impulse physical layer A method of multiple access communication in a centralized network is based on an ultra wideband impulse physical layer allowing code-based multiple access. Each user is associated with a code, and the transmission is performed in an asynchronous manner in a propaga... | 02/14/2012 |
| 8111731 | Block scrambling for orthogonal frequency division multiple access A method of transmitting signals in a communication system over at least two time periods including generating a base signal comprising of at least two samples in each time period, selecting a scrambling sequence of length equal to or greater than the number of time... | 02/07/2012 |
| 8098708 | System and method for communicating data using constant envelope orthogonal Walsh modulation with channelization A radio device includes a transmitter having a modulator for generating M-PAM communications symbols containing communications data. A Fast Walsh Transform circuit orthogonally encodes and band-spreads a communications symbol using the Fast Walsh Transform. A freque... | 01/17/2012 |
| 8098706 | Signal generator for a DSSS or CDMA signal The invention relates to a signal generator for a DSSS or CDMA signal, comprising several spread sequence memories and a digital signal processor which pre-calculates the spread sequence in an initialization phase and deposits the same in the spread sequence memory,... | 01/17/2012 |
| 8098707 | Ultra wideband receiver An ultra-wideband (UWB) receiver utilizing an Xn(n>1) device as a signal detector for short pulse(s), impulse(s) or ultra-wideband signal(s). The transmitted signal comes to antenna and passes through a band pass filter (BPF). The signal is fed into an X | 01/17/2012 |
| 8094697 | Method and device for the demodulation of satellite radio navigation signals For demodulating radio navigation signals (s(t)) transmitted in spread spectrum and comprising a data channel modulated by a navigation message and a pilot channel not modulated by a navigation message, the data channel and the pilot channel are combined into one mu... | 01/10/2012 |
| 8094698 | Method for generating a spread spectrum clock and apparatus thereof A method for generating a spread spectrum clock includes the steps of providing a reference clock having a reference period; generating a plurality of output clocks respectively having different phases according to the reference clock; generating a first/second cont... | 01/10/2012 |
| 8090000 | Communication system and its method Communication performance is to be improved in a communication system in which a plurality of wireless communication lines share space. A transmitting device 2 transmits a transmission signal to a base station 6 a plurality of number of times. The base... | 01/03/2012 |
| RE43059 | Wireless communication system and method using grouping maximum likelihood detection Disclosed is a method for increasing a data transfer rate without an increase in the whole bandwidth using intrinsic spreading codes and orthogonal codes. The method uses interleaving, OFDM modulation/demodulation, and maximum likelihood detection (MLD) to overcome ... | 01/03/2012 |
| 8085830 | LAN by ultra-wideband system and method An ultra-wideband (UWB) system and method provide a local area network (LAN) and/or LAN access. LAN access versions of the UWB system includes an emulator layer and bridge that allow data to be transmitted between a LAN-UWB hybrid device and a LAN network switch, su... | 12/27/2011 |
| 8068530 | Signal acquisition in a wireless communication system Each base station transmits a TDM pilot 1 having multiple instances of a pilot-1 sequence generated with a PN1 sequence and a TDM pilot 2 having at least one instance of a pilot-2 sequence generated with a PN2 sequence. Each base station is assigned a specific PN2 s... | 11/29/2011 |
| 8068531 | Method and apparatus for eliminating narrow band interference by means of windowing processing in spread spectrum system A device and method for eliminating narrow-band interference by windowing in a spread spectrum system are disclosed. The method comprises extracting N sampling points of data to perform frequency spectrum transform each time and obtaining N points of data; updating ... | 11/29/2011 |
| 8059693 | System and method for communicating data using constant radius orthogonal walsh modulation A radio device includes a transmitter having a modulator for generating M-PAM communications symbols containing communications data. A Fast Walsh Transform circuit orthogonally encodes and band-spreads the communications symbols using the Fast Walsh Transform. A fre... | 11/15/2011 |
| 8054864 | Method for fast synchronization and frequency hop sequence detection in wireless sensor networks A method of synchronizing wireless devices includes establishing a recurring sequence of frequency channels at which the wireless devices are to communicate. The frequency channels are divided into a plurality of groups. Synchronization information is transmitted at... | 11/08/2011 |
| 8054863 | Ranging system and method A system for estimating range to an object comprising a system for estimating range to an object comprising a transmitter to transmit at least one UWB signal, a receiver to receive at least one UWB signal, a sampler to sample the received UWB signal depending on a p... | 11/08/2011 |
| 8050310 | Semiconductor device A semiconductor device includes a transmitting unit for receiving plural bits of data to modulate the data to a 1-bit pulse signal whose pulse width corresponds to a value of the data and transferring the pulse signal to a transfer line; and a receiving unit for rec... | 11/01/2011 |
| 8050309 | Multipath discriminator module for a navigation system A multipath discriminator module and related methods are provided for communications and/or navigation systems that implement spread spectrum modulation. In one example embodiment, the module includes an input suitable for receiving navigation signals, a sampler for... | 11/01/2011 |
| 8009719 | Digital spread spectrum method based on precise phase delta-sigma algorithm A method and apparatus for generating a spread spectrum reference clock is presented. A method and apparatus is presented for receiving a spread spectrum parameter from a phase lock loop, wherein the spread spectrum parameter includes a multiple-level parameter comp... | 08/30/2011 |
| 8009718 | Wireless transmitter and receiver for use in an ultra-wideband direct spread pulse communication system A wireless transmitter and receiver increase a desired/unwanted (D/U) ratio of a correlation output without increasing the number of data in an ultra-wideband direct spread pulse communication system for transmitting and receiving two series of data through differen... | 08/30/2011 |
| 7986723 | Delay estimation apparatus and method Delay estimation apparatus and method, comprising: a correlation step which a correlation function between a received signal and a supplied template waveform is generated, AD conversion step at which said correlation output generated at said correlation step is unif... | 07/26/2011 |
| 7983320 | Ultrawide-band communication system and method An impulse radio communications system using one or more subcarriers to communicate information from an impulse radio transmitter to an impulse radio receiver. The impulse radio communication system is an ultrawide-band time domain system. The use of subcarriers pro... | 07/19/2011 |
| 7983321 | Communication apparatus and communication method There is provided a communication apparatus compliant with ultra wide band communication systems for improving resistance to interfering waves in combination with DS-SS (direct sequence spread spectrum). There is provided a training section based on short code sprea... | 07/19/2011 |
| 7978747 | Waveform design hopping system and method A method of transmitting a spread spectrum signal in a single communication session between a transmitter and a receiver, stores a series of N unique waveform designs and a hopping sequence in a transmitter memory. A signal is transmitted to a receiver according to ... | 07/12/2011 |
| 7965758 | Cell isolation through quasi-orthogonal sequences in a frequency hopping network The present technology relates to protocols relative to utility meters associated with an open operational framework. More particularly, the present subject matter relates to protocol subject matter for advanced metering infrastructure, adaptable to various internat... | 06/21/2011 |
| 7961773 | Weighted open loop power control transmitter A weighted open loop power control transmitter for controlling transmission power levels using a spread spectrum time division duplex (TDD) technique having frames with timeslots for communication includes a demodulator configured to receive a transmitted signal fro... | 06/14/2011 |
| 7957450 | Method and system for frame formats for MIMO channel measurement exchange A method and system for frame formats for MIMO channel measurement exchange is provided. Aspects of a method for communicating information in a communication system may comprise transmitting data via a plurality of radio frequency (RF) channels utilizing a plurality... | 06/07/2011 |
| 7933308 | Signal transmission and reception device A signal transmission and reception device is disclosed that can be made compact and has wide-band band-pass characteristics. The signal transmission and reception device includes a first filtering unit that is composed of a distributed constant circuit and is capab... | 04/26/2011 |
| 7933309 | Radio communication device and constellation control method Provided is a radio communication device which can make Acknowledgement (ACK) reception quality and Negative Acknowledgement (NACK) reception quality to be equal to each other. The device includes: a scrambling unit (214) which multiplies a response signal af... | 04/26/2011 |
| 7933307 | Multiple-input multiple-output ultra-wide band communication method and device using hermite pulses A method of sending ultra-wide band signals via a plurality of sending antennas includes a phase for sending training sequences followed by a phase for sending data after which each antenna of the plurality of sending antennas sends a waveform using a Hermite pulse ... | 04/26/2011 |
| 7933306 | Transmitting method, receiving method, transmitting device, receiving device and transceiving device for an ultra-wideband communication system A transmitting device of the present invention comprises an encoder (20), a transmitting unit (100) including a pulse generator (30) and a parallel-to-serial converter (50), a transmitting control unit (40), and an antenna (90 | 04/26/2011 |
| 7912109 | Spread spectrum frequency synthesizer with first order accumulation for frequency profile generation A frequency synthesizer is described illustrating a system and method for modulation. In particular, the frequency synthesizer includes a control circuit for producing a plurality of input signals that is scalable to a frequency profile. Each of the input signals in... | 03/22/2011 |
| 7912110 | Base station apparatus, wireless communication system and frequency assignment method A frequency band FC assigned to a first wireless communication system and the frequency bands F1, . . . , Fm assigned to a second wireless communication system are set up for a base station apparatus 100. The base station apparatus 100 periodica... | 03/22/2011 |
| 7903717 | Receiver, receiving method, program and information recording medium When a receiver (200) receives a signal transmitted from a transmitter, an A/D converter (204) converts the signal into a digital signal having two or more levels by A/D conversion. A zero-level detector (207) converts the signal into a two-leve... | 03/08/2011 |
| 7894502 | Spread spectrum clock signal generation system and method A system and method for generating a clock signal having spread spectrum modulation. The method involves generating a clock signal by generating edge positions for edges of the clock signal from a digital representation of a timing for each edge to impart spread spe... | 02/22/2011 |
| 7881360 | Method and system for increased bandwidth efficiency in multiple input—multiple output channels In one disclosed embodiment, an input bit stream is supplied to a trellis code block. For example, the trellis code block can perform convolutional coding using a rate 6/7 code. The output of the trellis code block is then modulated using, for example, trellis coded... | 02/01/2011 |
| 7876806 | Orthogonal frequency division multiplexing-code division multiple access system An orthogonal frequency division multiplexing (OFDM)-code division multiple access (CDMA) system is disclosed. The system includes a transmitter and a receiver. At the transmitter, a spreading and subcarrier mapping unit spreads an input data symbol with a complex q... | 01/25/2011 |
| 7864831 | Coherent cooperative UWB communication system A distributed space-time coding method for a UWB pulse telecommunication system, wherein a source terminal transmits a signal to a destination terminal during a transmission interval constituted by K frames, K≧1, each frame being divided into a first and a second ... | 01/04/2011 |
| 7864830 | Cognitive UWB system and cognitive UWB data communication method A cognitive UWB system and a cognitive UWB data communication method. The system includes a cognitive UWB transmitter and a cognitive UWB receiver. The cognitive UWB transmitter includes a channel encoder for correcting error of data, a preamble inserter for inserti... | 01/04/2011 |
| 7860145 | Adaptive code generator for satellite navigation receivers A satellite navigation device including a receiver having an adjustable code generator is described. The adjustable code generator is configurable to generate a set of spread-spectrum code signals. Each spread-spectrum code signal has a respective length correspondi... | 12/28/2010 |
