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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsYutaka Murakami, Masayuki Orihashi, Akihiko Matsuoka, Morikazu Sagawa
Estimating the term…
In a digital communication system such as a mobile radio system, fading distortion is compensated with a raised precision. In a transmitter, pilot signals are regularly inserted in the information signals. The amplitude of the pilot signals are set larger than the maximum possible amplitude of the information signals. The modulation scheme of the pilot signals may be different from that of the information signals. In a receiver, the fading distortion of each of the pilot signals is determined. The fading distortions of the information signals are estimated by interpolation using the determined fading distortion of the pilot signal, and then compensated. The frequency band of each information signal is preferably limited with a roll-off filter with a roll-off coefficient ranging from 0.1 to 0.4.
A method of transmitting digital data by wireless so as to enable a reception at a reduced bit error rate in a digital wireless communications system, the method including the steps of:
A method of transmitting digital data by wireless so as to enable a reception at a reduced bit error rate, the method including the steps of:
A system capable of transmitting digital data by wireless so as to enable a reception at a reduced bit error rate, the system including:
A system capable of transmitting digital data by wireless so as to enable a reception at a reduced bit error rate, the system including:
A mobile telephone that communicates digital data at a reduced bit error rate, the mobile telephone comprising:
A device including transmitting means for transmitting digital data by wireless so as to enable a reception at a reduced bit error rate, the system including:
A device including receiving means for obtaining a lower-bit-error-rate bit stream from a radio wave wherein the radio wave is a modulated version of a stream of information signals and pilot signals regularly inserted in the information signals, the amplitude of each pilot signal being larger than that of any of said information signals, the receiving means comprising:
A mobile telephone that communicates digital data at a reduced bit error rate, the mobile telephone comprising:
Dependencies are inferred from the claim text.