Panasonic Corporation

Panasonic Intellectual Property Management Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Other

Chugai Seiyaku Kabushiki Kaisha

Sovereign Peak Ventures, LLC

Kenichiro Hayashi

Sadashi Kageyama

Mitsuaki Oshima

Hisashi Takayama

Seiji Sakashita

Takao Isogawa

Tomohiro Kimura

Keiichi Nagai

Takao Isogai

Koji Hayashi

Tetsuo Nishikawa

Toshio Ota

Shin-Ichi Funahashi

Ai Wakamatsu

Tomoyasu Sugiyama

Takaya Hayashi

Shizuko Ishii

Kaoru Otsuka

Shoji Miyata

Tetsuji Otsuki

Jun-Ichi Yamamoto

Kenji Sobue

Hiroki Furukawa

Akira Kisoda

Yuji Nakai

Tetsuya Yagi

Mikihiro Ouchi

Hidekuni Yomo

Shuji Inoue

Yoshinori Kunieda

Kazuaki Suzuki

Hideyo Uwabata

Yoshio Yasumoto

Takehiro Kamada

Todd S Bowser

Yoshihito Kawai

A portable terminal includes a receiver, a barcode former configured to form barcodes and a display. The barcode former forms a barcode from the data received by the receiver and the display displays the formed barcode.

OFDM signal transmission system, portable terminal and E-commerce system

SP signals to be transmitted from a first transmitting antenna are arranged in the same pattern as SP signals to be transmitted from a second transmitting antenna. The SP signals to be transmitted from the second transmitting antenna in one symbol are generated, such that the polarity of the SP signals are alternately inverted and non-inverted with respect to the SP signals to be transmitted from the first transmitting antenna in the same symbol. Thus, in the direction that the symbol number is incremented by 1 and the carrier number is incremented by 3, the polarity of SP signals transmitted from the second transmitting antenna are all inverted or non-inverted with respect to the polarity of corresponding SP signals transmitted from the first transmitting antenna.

Transmission device, reception device, and OFDM transmission method

A transmission method of a digital broadcast, which is compatible with a DVB-T terrestrial digital broadcast system in Europe, saves a battery in a mobile terminal. Superframes in DVB-T are divided into units each including plural symbols so that an integer number of TS packets can be carried in each slot. At least one slot is used to transmit one service. Energy dispersion, Reed-Solomon coding, byte interleaving, convolutional coding, and time interleaving are applied to each service. When services for mobile terminal reception and services for fixed terminals are transmitted as the provided services, null packets may be transmitted before and after the slot carrying the mobile receiver service so that the fixed reception service and the mobile reception services are not mixed.

OFDM signal transmission method, transmission apparatus, and reception apparatus

A synchronization section specifies a position of a guard interval correlation's center of gravity based on a guard interval correlation value, and calculates a carrier-direction shift amount Fshift. An equalization section shifts the passband of a carrier interpolation filter of a carrier interpolation section by the carrier-direction shift amount Fshift calculated by the synchronization section. This shift processing causes the delay profile to be kept in the center of the passband of the carrier interpolation filter, for any FFT window position. This enables transmission path estimation without limiting a range of an FFT window position even if the passband of the carrier interpolation filter is narrower than a guard interval of an OFDM signal.

OFDM receiving apparatus, OFDM receiving method, OFDM receiving circuit, integrated circuit, and program

A transmitter modulates for each symbol period a plurality of carriers that include a carrier group that consists of a plurality of prescribed carriers, and repeatedly transmits control information in cycles by using the carrier group. The transmitter transmits multiple-bit binary data of the control information in each symbol period, thereby transmitting the control information once in each of the cycles that includes at least one symbol period. The transmitter controls the transmission unit to switch, within the carrier group, for each of the cycles, carriers of bits of the control information, according to a prescribed rule.

Transmitter, multicarrier transmitting method, and receiver

Growing community of inventors

Kyoto, Japan

Kenichiro Hayashi