Sharp Corporation, Osaka University and National Institute Of Information And Communications Technology | Date: 2014-04-16
An apparatus generating a packet of signals, a number of preamble signals of a preamble portion for each of a number of radio transmission units, and a number of data signals of a data portion, wherein a phase rotation in frequency domain is equal to a time shift in time domain is applied to each symbol of the number of preamble signals separately, the same phase rotation is applied to each symbol separately, the amount of the phase rotation is different for each preamble signal and each data signal, the amount of the phase rotation of one of the number of data signals and one of the number of preamble signals is both zero, and the amount of the phase rotation is equal between one of the preamble signals and one of the data signals for the same radio transmission unit.
Tamura Corporation and National Institute Of Information And Communications Technology | Date: 2014-02-25
National Institute Of Information And Communications Technology | Date: 2014-05-15
Provided is a DNN learning method that can reduce DNN learning time using data belonging to a plurality of categories. The method includes the steps of training a language-independent sub-network
National Institute Of Information And Communications Technology | Date: 2014-01-10
A wireless device capable of enabling improvement in reliability of communication, enlargement of cell regions, improvement in PER and improvement in system performance is provided. The wireless device according to an embodiment is a wireless device which transmits information for a counterpart wireless device, and includes a signal processing unit which generates a symbol sequence; a transmission vector calculating unit which converts the symbol sequence into a plurality of transmission symbol sequences, and controls phases of the transmission symbol sequences to be a same phase or an opposite phase based on a channel estimation to the counterpart wireless device; and a plurality of antennas each of which transmits the plurality of transmission symbol sequences.
National Institute Of Information And Communications Technology | Date: 2014-05-20
A translation word order information output apparatus includes: a sentence storage for storing a source language sentence; a weight vector storage for storing a weight vector; a receiving unit that receives a current word position of a current word that is currently being translated; a candidate acquiring unit that acquires the current word position and one or more next word position candidates, each being a candidate for a word that is to be translated following the current word, from the source language sentence; a vector acquiring unit that acquires a vector having elements, using the current word, a next word candidate, and the source language sentence; and a probability information acquiring unit that acquires probability information regarding a probability that a word at that next word position candidate is a next word to be translated following the current word, using the vector and the weight vector.