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Telecommunications > Transmitter > Plural Modulation Plural ModulationPlural Modulation patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.03/01/07 - 20070049218 - Precoding and sdma support Embodiments are described in connection with enhancing performance in a wireless communication system using codebook technology. According to an embodiment is a method for enhancing performance in a wireless communication environment. The method can include receiving a user preference for a transmission mode, associating the user preference with an entry ... 02/15/07 - 20070037531 - Downstream adaptive modulation in broadband communications system A downstream adaptive modulation system and method. The downstream adaptive modulation system comprises a wireless access termination system and one or more wireless modems. The wireless access termination system includes a plurality of queues and a parser. The parser parses data traffic onto the plurality of queues. Each queue is ... 02/15/07 - 20070037530 - Configurable multi-mode modulation system and transmitter A multi-mode transmitter architecture is configurable for multiple modulation modes using either polar or polar-lite modulation. Multiplexed signal paths and reconfigurable components are controlled for performance in GMSK and EDGE burst modes. Polar-lite EDGE modulation is programmed by setting a multiplexer coupling a first amplitude modulated signal path with a ... 02/01/07 - 20070026820 - Techniques to decrease signal amplitude peak-to-average ratio in a wireless communications system Techniques to reduce signal amplitude peak-to-average ratio (PAR) in a wireless communications system are described. The apparatus may include a signal conditioning module to receive a baseband signal. The signal conditioning module may split the baseband signal along multiple paths, delay one or more of the paths, and combine the ... 01/18/07 - 20070015473 - Modulator-amplifier A method and device for frequency shifting and amplifying an audio signal for use in a parametric loudspeaker system is disclosed. The method includes the operation of receiving an input audio signal and creating a reference signal. The audio signal is compared with the reference signal to derive a compared ... 01/18/07 - 20070015472 - Multimode transmitter, module, communication device and chip set The invention is related to a multimode transmitter comprising: generating means for generating signals according to different communication standards; amplifying means for amplifying the signals generated according to the different communication standards; and conveying means for conveying the signals from the generating means to the amplifying means, the conveying means ... 12/07/06 - 20060276145 - Method to minimize compatibility error in hierarchical modulation using variable phase The present invention provides a method of hierarchically modulating first and second digital data streams in a broadcast system such as an SDAR system that is compatible with legacy receivers. The second digital data stream, but not the first, is provided with a non-binary pseudo-random encoding. A carrier is first ... 11/02/06 - 20060246855 - Wireless transmitter and amplifier There is provided with an amplifier comprising: first and second power amplifiers; a first path configured to output first and second input signals to the first and second power amplifiers; a second path configured to divide a first input signal, output one of divided signals to the first power amplifier ... 10/19/06 - 20060234652 - Transmission apparatus, communication apparatus and mobile radio apparatus Transmission apparatus capable of reducing distortion of the vector modulation wave that is the transmission output to a sufficiently small level is provided. An amplifying section (105) generates a vector modulation wave based on an amplitude component modulation signal and a phase modulation wave. A synchronous demodulating section (107) detects ... 09/28/06 - 20060217081 - Transmitter and semiconductor integrated circuit for communication A transmitter adopting a polar loop system including a phase control loop for controlling the phase of a carrier signal outputted from a transmitting oscillator and an amplitude control loop for controlling the amplitude of a transmitting output signal outputted from a power amplification circuit, and designed to be capable ... 07/20/06 - 20060160497 - Signal processing with certain materials Signal processing electromagnetic signals with specific materials. A processing portion may be composed of a specific material having a particular shape, a certain dielectric constant and a crystal structure that permits efficient propagation of the signals being processed. Such processing is very fast and utilizes little or no power due ... 07/20/06 - 20060160496 - Communication apparatus and communication method Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S2(i) and S2(i+1) obtained from different data are transmitted at time i and time i+1 respectively. In contrast, as modulated signal A, modulated symbols S1(i) ... 06/29/06 - 20060141953 - Method and apparatus for a dedicated physical channel in a wireless communication system Method and apparatus for determining a transmission configuration for a dedicated channel in a wireless communication system. In one embodiment, an optimum configuration is determined based on minimizing Peak-to-Average Ratio (PAR) of the channel. The configuration is defined as a transmission pair of transmission branch and spreading code. The transmission ... 06/29/06 - 20060141952 - Multi-mode modulator and transmitter The present invention relates generally to communications, and more specifically to a method and apparatus of modulating baseband and RF (radio frequency) signals. A modulator topology is disclosed in which an input signal x(t) is up-converted to an output signal y(t), either by mixing it with two mixing signals φ1 ... 06/08/06 - 20060121859 - Long distance communication system and method using the ionosphere Disclosed is a long distance communication system using the ionosphere. The long distance communication system includes an Earth station for modulating a signal having a modulation frequency onto a carrier frequency signal, which is absorbable in the ionosphere, and radiating a modulation frequency signal to a specific region of the ... 03/30/06 - 20060068724 - Radio transmitting apparatus, radio receiving apparatus, and m-ary modulation communication system P/S conversion section 302 performs parallel/serial conversion of data sequences #1 through #4 input in parallel, in accordance with control by assignment control section 303, so that data to a higher-priority communication terminal is assigned to an upper bit in one symbol; M-ary modulation section 304 performs M-ary modulation on ... 03/16/06 - 20060057976 - Delay calibration in polar modulation transmitters A method and apparatus for dynamically compensating for delay mismatch between a supply signal and an input signal of a power amplifier in polar modulation transmitters. One exemplary polar modulation transmitter according to the present invention comprises a power amplifier, a phase modulator, a regulator, a delay tracking circuit, and ... 02/02/06 - 20060025086 - Uwb telecommunication system and communication device to be used therein combination means CMBMi for combining all sub-sequences Tsgi1 . . . TsgiK into a signal Tsgi to be transmitted by the antenna ANTi to which the encoder ENCi is connected. Thanks to the invention, each signal encoder ENCi is linked to a single antenna ANTi, which enables to ensure that ... 01/19/06 - 20060014499 - Multiple modulation schemes in single rate layering wireless communication systems A MIMO communication system is adapted to encode multiple data streams at the same adaptable rate. Accordingly, the set of all possible modulation/rate combinations to all modulations with common rates is decreased thus resulting in the reduction of the number of possible packet formats carrying the data streams. Rate prediction ... 11/03/05 - 20050245209 - Mechanical switching circuit A mechanical switching circuit for connecting or disconnecting the connection between a circuit input and a circuit output comprises at least two switching units connected in series and each of the switching units comprises at least two mechanical switching components connected in parallel. ... 11/03/05 - 20050245208 - Polar modulation transmission apparatus and radio communication apparatus A polar modulation transmission apparatus is provided which can adjust synchronization between an amplitude signal and phase signal in a simple configuration accurately and automatically. A polar signal generation circuit 101 sends an amplitude signal and phase signal for synchronization adjustment to transmission lines of these signals, incorporates the amplitude ... 10/20/05 - 20050233710 - High data rate transmitter and receiver A high-speed transmitter and receiver are provided. In one embodiment, a transmitter comprises a baseband processor structured to receive data and to convert the data into a multiplicity of high and low signal values, with each high and low signal value having a first timing interval. A local oscillator generates ... 09/29/05 - 20050215206 - Multimodulation transmitter The present invention discloses a double TRU (Transceiver Unit) (45). The output signals from the power amplifiers (64, 84) are combined to one common output signal provided to an antenna arrangement (91). A DSP (Digital Signal Processor) (52, 72) of each TRU (50, 70) comprises means for a constant-envelope modulation ... 07/07/05 - 20050148307 - Direct outphasing modulator Embodiments of the invention describe a modulator having first and second synthesizers, for example, fractional-N synthesizers, that generate first and second outphased modulated signals with aligned phases. Embodiments of the modulator may align the phases of the outphased signals using first and second feedback loops associated with first and second ... 06/23/05 - 20050136858 - Bipolar modulator Embodiments of the invention describe a transmitter to synthesize an output signal by combining a bi-polar base band amplitude signal with a phase-modulated signal. The bi-polar base band amplitude may have either positive or negative values depending on at least one predetermined criterion related to an input signal of the ... ### FreshPatents.com Support |