226069 ⎘
Modulated-carrier systems; Carrier systems characterised by combinations of two or more of the types covered by groups , , or; Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems; Modulator circuits; Transmitter circuits Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
Digital algorithm for on-line ACPR optimization in polar RF transmitters
#302Delay calibration in polar modulation transmitters
#303Digital delay element for delay mismatch cancellation in wireless polar transmitters
#304Amplitude modulator, in particular for mobile radio, and a method for modulation of a signal
#305Phase correlated quadrature amplitude modulation
#306Hybrid polar/cartesian digital modulator
#307Digital time alignment in a polar modulator
#308High-quality power ramping in a communications transmitter
#309Method and apparatus for digital amplitude and phase modulation
#310Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
#311High-frequency power amplifier and communication apparatus
#312Reconfigurable transmitter with direct digital to RF modulator
#313Polar transmitter with digital to RF converter
#314Transmitter and wireless communication apparatus using the transmitter
#315Transmission circuit
#316Data converter and data conversion method, and transmitter circuit, communications device and electronic device using the same
#317Polar modulation using amplitude modulated quadrature signals
#318Filter for a modulator and methods thereof
#319Apparatus, methods and articles of manufacture for signal propagation using unwrapped phase
#320IC card, IC card processor and IC card system to improve data transmission speed
#321Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system
#322Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal
#323Apparatus, methods and articles of manufacture for dynamic differential delay correction
#324Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
#325Modulation circuit device, modulation method and radio communication device
#326Distributed scheduling in remote PHY
#327System and method for short block length distribution matching
#328Multi-rotational waveform utilizing a plurality of transmission waveforms and transmission paths
#329Short block length distribution matching algorithm
#330Systems and methods for up-sampling a polar amplitude sample stream in a polar modulator
#331Transmit amplitude and phase modulation based on two constant-amplitude phasors