摘要:
A folding portable terminal which can be changed into a desired shape depending on applications of functions such as a telephone, a digital camera, and the like. A folding portable terminal (1) comprises a case (10) with a display section (11) and a case (20) with an operating section (21), and the cases are foldably linked through a hinge mechanism. The hinge mechanism comprises a first hinge section (12) formed by providing a first rotation axis at substantially the center of the case (10) that can be rotated about the first rotation axis in the folding or opening direction relative to the case (20); a second hinge section (24) formed by providing a second rotation axis at substantially the upper end part of the case (20) so as to be parallel to the first rotation axis, the case (20) being rotated in the folding or opening direction relative to the case (10); and means (13a) for linking both ends of the first rotation axis and both ends of the second rotation axis. The hinge mechanism enables the display section (11) and the operating section (21) to be folded without being faced each other, and a user can operate the operating section (21) or view the display section (11) in the folded state.
摘要:
A folding portable terminal which can be changed into a desired shape depending on applications of functions such as a telephone, a digital camera, and the like. A folding portable terminal (1) comprises a case (10) with a display section (11) and a case (20) with an operating section (21), and the cases are foldably linked through a hinge mechanism. The hinge mechanism comprises a first hinge section (12) formed by providing a first rotation axis at substantially the center of the case (10) that can be rotated about the first rotation axis in the folding or opening direction relative to the case (20); a second hinge section (24) formed by providing a second rotation axis at substantially the upper end part of the case (20) so as to be parallel to the first rotation axis, the case (20) being rotated in the folding or opening direction relative to the case (10); and means (13a) for linking both ends of the first rotation axis and both ends of the second rotation axis. The hinge mechanism enables the display section (11) and the operating section (21) to be folded without being faced each other, and a user can operate the operating section (21) or view the display section (11) in the folded state.
摘要:
In a wireless communication system based on an OFDM technology, a control channel and a low-speed data channel can be multiplexed without a reduction in the transmission speed of a traffic channel. In a communication system that is operated by multiplexing a traffic channel for performing high-speed data transmission and a control channel for performing low-speed control information transmission, an OFDM signal for transmitting the traffic channel and an OFDM signal for transmitting a control signal are multiplexed for transmission. In a receiving station, the control channel is first demodulated/decoded and a judgment is made as to whether or not any signal addressed to the self station is contained in a traffic channel signal. When any signal addressed to the self station is contained, the control channel signal is cancelled from the reception signal in accordance with a wireless channel quality and the traffic channel is demodulated.
摘要:
A wireless communication system includes at least one terminal apparatus and one communication apparatus which perform communication in a plurality of frequency bands. The terminal apparatus includes: a function information storing unit which pre-stores frequency band information indicating available frequency bands among the plurality of frequency bands and the number of simultaneously available frequency bands; and a terminal control unit which reads the frequency band information stored in the function information storing unit and transmits the read frequency band information to the communication apparatus via a first wireless communication unit. The communication apparatus includes: a base station control unit which selects at least one frequency band from the plurality of frequency bands based on the frequency band information transmitted from the terminal apparatus; and a second wireless communication unit which communicates with the terminal apparatus by use of the frequency band selected by the base station control unit.
摘要:
A communication system includes a reception device and at least one transmission device. The transmission device includes: a signal transmission unit which transmits at least one unicast signals and a multicast signal to the reception device. The reception device includes: a plurality of signal reception units which receive at least one the unicast signals and the multicast signal from the transmission device; a first control unit which receives the unicast signals from the transmission device using all of the plurality of signal reception units when only the unicast signals are received; and a second control unit which receives the unicast signals from the transmission device using some of the plurality of signal reception units, and simultaneously receives the multicast signal from the transmission device using another signal reception unit of the plurality of signal reception units, when the unicast signals and the multicast signal are received.
摘要:
A communication system includes a unicast base station device, a multicast base station device, and a mobile station device. Before receiving information concerning a multicast service, the mobile station device transmits, to a position register server, identification information identifying a reception area in which a multicast service is provided. When receiving incoming call information indicating that information concerning a unicast service has been received, the multicast base station device transmits the incoming call information to the mobile station device. The mobile station device receives the incoming call information even while receiving the information concerning the multicast service.
摘要:
A communication system includes a reception device and at least one transmission device. The transmission device includes: a signal transmission unit which transmits at least one unicast signals and a multicast signal to the reception device. The reception device includes: a plurality of signal reception units which receive at least one the unicast signals and the multicast signal from the transmission device; a first control unit which receives the unicast signals from the transmission device using all of the plurality of signal reception units when only the unicast signals are received; and a second control unit which receives the unicast signals from the transmission device using some of the plurality of signal reception units, and simultaneously receives the multicast signal from the transmission device using another signal reception unit of the plurality of signal reception units, when the unicast signals and the multicast signal are received.
摘要:
A transmitter communicating with a receiver, the transmitter including: a first hopping sequence generation unit which generates a hopping sequence whose hopping subcarrier interval is less than or equal to a predetermined threshold value based on a cell ID; a first reference signal pattern generation unit which generates a reference signal pattern based on a reference signal basic pattern including a predetermined known signal sequence and the hopping sequence generated by the first hopping sequence generation unit; an arrangement unit which arranges the reference signal and a data symbol in a predetermined position within the symbol, based on the reference signal pattern generated by the first reference signal pattern generation unit; and a signal transmission unit which transmits the symbol having the reference signal and the data symbol arranged by the arrangement unit to the receiver.
摘要:
A wireless communication apparatus includes: a receiving unit that receives a signal indicating a frequency band having the highest priority of selection among a plurality of frequency bands; and a transmitting unit that transmits data in parallel, using the frequency band having the highest priority of selection and a frequency band having a priority of selection lower than that of the frequency band having the highest priority of selection.
摘要:
A position measuring unit measures a position. An area determining unit determines a means of movement. A position measurement result transmission determining unit determines, based on the means of movement determined by the area determining unit, whether or not to transmit the position measurement result of the position measuring unit to the information-providing apparatus. A transmitting unit transmits, in the case in which the position measurement result transmission determining unit determines to transmit the position measurement result to the information-providing apparatus, the position measurement result to the information-providing apparatus.